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1
Tadesse, Melkie Getnet, Carmen Loghin, Ionuț Dulgheriu und Emil Loghin. „Comfort Evaluation of Wearable Functional Textiles“. Materials 14, Nr. 21 (28.10.2021): 6466. http://dx.doi.org/10.3390/ma14216466.
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Wearable E-textile systems should be comfortable so that highest efficiency of their functionality can be achieved. The development of electronic textiles (functional textiles) as a wearable technology for various applications has intensified the use of flexible wearable functional textiles instead of wearable electronics. However, the wearable functional textiles still bring comfort complications during wear. The purpose of this review paper is to sightsee and recap recent developments in the field of functional textile comfort evaluation systems. For textile-based materials which have close contact to the skin, clothing comfort is a fundamental necessity. In this paper, the effects of functional finishing on the comfort of the textile material were reviewed. A brief review of clothing comfort evaluations for textile fabrics based on subjective and objective techniques was conducted. The reasons behind the necessity for sensory evaluation for smart and functional clothing have been presented. The existing works of literature on comfort evaluation techniques applied to functional fabrics have been reviewed. Statistical and soft computing/artificial intelligence presentations from selected fabric comfort studies were also reviewed. Challenges of smart textiles and its future highlighted. Some experimental results were presented to support the review. From the aforementioned reviews, it is noted that the electronics clothing comfort evaluation of smart/functional fabrics needs more focus.
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HARADA, TAKASHI. „New Textile for Comfort“. Sen'i Gakkaishi 52, Nr. 2 (1996): P85—P90. http://dx.doi.org/10.2115/fiber.52.p85.
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3
Lama, John, Andy Yau, Guorui Chen, Aditya Sivakumar, Xun Zhao und Jun Chen. „Textile triboelectric nanogenerators for self-powered biomonitoring“. Journal of Materials Chemistry A 9, Nr. 35 (2021): 19149–78. http://dx.doi.org/10.1039/d1ta02518j.
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Textile-based TENGs integrate wearable biomonitoring into commonly worn textiles, offering an inexpensive and convenient alternative with high breathability, wearing comfort, and scalability for personalized healthcare.
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Chatterjee, Kony, Jordan Tabor und Tushar K. Ghosh. „Electrically Conductive Coatings for Fiber-Based E-Textiles“. Fibers 7, Nr. 6 (01.06.2019): 51. http://dx.doi.org/10.3390/fib7060051.
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With the advent of wearable electronic devices in our daily lives, there is a need for soft, flexible, and conformable devices that can provide electronic capabilities without sacrificing comfort. Electronic textiles (e-textiles) combine electronic capabilities of devices such as sensors, actuators, energy harvesting and storage devices, and communication devices with the comfort and conformability of conventional textiles. An important method to fabricate such devices is by coating conventionally used fibers and yarns with electrically conductive materials to create flexible capacitors, resistors, transistors, batteries, and circuits. Textiles constitute an obvious choice for deployment of such flexible electronic components due to their inherent conformability, strength, and stability. Coating a layer of electrically conducting material onto the textile can impart electronic capabilities to the base material in a facile manner. Such a coating can be done at any of the hierarchical levels of the textile structure, i.e., at the fiber, yarn, or fabric level. This review focuses on various electrically conducting materials and methods used for coating e-textile devices, as well as the different configurations that can be obtained from such coatings, creating a smart textile-based system.
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Geraldes, Maria José, C. Monteiro und Lubos Hes. „Study and Interpretation of the Mass Transfer Phenomena through Textile Structures in the Wet State“. Defect and Diffusion Forum 326-328 (April 2012): 205–8. http://dx.doi.org/10.4028/www.scientific.net/ddf.326-328.205.
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In last decades, increased attention is paid to comfort properties of textiles and garments. The most important parameters characterizing the called physiological comfort of textile structures are the evaporative resistance and water vapour permeability. Contrary to common textiles, protective and functional garments and, also some technical textiles, are also used in wet state, which affect their comfort properties. In this paper, PERMETEST commercial instrument is described, which provide reliable non-destructive measurement of evaporative resistance and water vapour permeability of fabrics in dry and wet state. By means of this instrument, evaporative resistance and water vapour permeability of cotton, polyester and cotton/polyester knitting fabrics, in the wet state, were experimentally determined and results were discussed. The effect of count yarn and composition of the above mentioned properties of these fabrics has been investigated as well. Some surprising results were achieved: with increasing fabrics moisture, the water vapour permeability also increases, especially with the presence of hydrophilic textile material.
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KANIA, ANNA, und MARCIN BARBURSKI. „IMPROVING LOCAL THERMAL COMFORT IN BUILDINGS: A STUDY OF PROPERTIES OF HEATING TEXTILE COMPOSITES IN CONSTRUCTION INDUSTRY“. Fibres and Textiles 30, Nr. 1 (2023): 80–83. http://dx.doi.org/10.15240/tul/008/2023-1-014.
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The focus of this study is to analyze heating and insulating properties of textiles utilized in the construction industry. Research regarding textile heating composites typically centers around their use in the fashion industry and personal thermal comfort. Therefore, the study focuses on the application of textile heating composites as a method for improving the local thermal comfort of the user. The aim of this project was to analyze and describe the heating and insulating properties of electroconductive yarns and insulating textiles used in the construction industry. This goal was achieved by building physical samples that underwent heating tests. The next step was to compare the examined properties and select the best combination of yarn and fabric, which was then tested in the target environment. It was concluded that the best heating results are achieved with steel thread embroidered on fiberglass mesh and combined with extruded polystyrene that can be used to improve the local thermal comfort of the user.
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Ristić, Nebojša, Dragana Marković-Nikolić, Aleksandra Zdravković, Ivanka Mičić und Ivanka Ristić. „Biofunctional textile materials: Cosmetic textiles“. Advanced Technologies 11, Nr. 1 (2022): 63–75. http://dx.doi.org/10.5937/savteh2201063r.
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The latest trend in textile industry promotes products with added value that provide additional comfort to users and have a focus on health in terms of use. In that sense, biofunctional and intelligent textile products with different types of applications for improving the lifestyle of the modern consumer stand out. Cosmetic textile is a high-performance textile which represents a fusion of textile material with cosmetics. The main challenges in the manufacture of such products are the selection of products with a cosmetic effect for a particular purpose, storage of agents in the structure of the textile, the rate of release of the agent on the skin and the stability of the agent to the maintenance procedures of textiles and clothing. This paper provides an overview of cosmetic agents for application on textiles, methods of their storage and release and the techniques applicable on textile. Finally, a range of commercially available cosmetic textile products is presented.
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Affatato, Lorena, und Cosimo Carfagna. „Smart Textiles: A Strategic Perspective of Textile Industry“. Advances in Science and Technology 80 (September 2012): 1–6. http://dx.doi.org/10.4028/www.scientific.net/ast.80.1.
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Comfort is a state of mind affected by many factors, and clothing has contributing to the well being of man, changing in some cases his customs. Since the origin, the primary functions of clothes have been of protection against cold or in general against environmental stimuli. New functions are required to modern textiles: wearing comfort, durability, cleaning properties, optimized functionality for specific applications (workwear, sportswear, medical wear). Smart and interactive textiles represent a budding interdisciplinary field that brings together specialists in information technology, micro systems, materials engineering, and production technology. The focus of this new area is on developing the enabling technologies and fabrication techniques for the economical production of flexible, conformable and large-area textile- based information systems that are expected to have more applications for different end users. The smart and interactive textiles will be highly applied in the next generation of fibres, fabrics and items produced from them. Application of smart textiles can be now found everywhere. The market and the business of wearable, interactive and smart textiles are presently changing the basis of the textile industry. The changes are dynamic knowledge transfer, innovative systems, new employment opportunities in the smart industries and others. Business possibilities are not limited to the textile industry, but they can be found in almost any line of business. The European textile sector is one of the mainstays of the European Manufacturing Industry. The market for smart textiles is one of the most dynamic and fast growing sectors and offers huge potential for companies.
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Chau, Kam Hong, Chris Kwan Yu Lo und Chi Wai Kan. „A Literature Review of Manufacturing Eco-Friendly Comfort Textiles and Future Agenda“. Applied Mechanics and Materials 866 (Juni 2017): 444–47. http://dx.doi.org/10.4028/www.scientific.net/amm.866.444.
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Comfort is now a hot topic in textile and clothing field. While textile materials are improving against our comfort feeling in various aspects, a lot of technologies were introduced for manufacturing comfort textile. The technologies may produce negative effect to the environment. Also, “eco-friendly” always draws much attention by the public and many research fields. Therefore, in this study, we conducted a literature review from 2005 to 2015 for analysing the current trends in developing eco-friendly comfort textile and proposed future agenda. The results of this paper identified 4 research questions and directions: (i) How to increase and ensure wash durability? (ii) Recycling of used comfort materials? (iii) Subjective test and Commercialize of materials and (iv) Marketing, how to promote eco-friendly and comfort products?
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Memon, Abdul Wahab, Igor Lima de Paula, Benny Malengier, Simona Vasile, Patrick Van Torre und Lieva Van Langenhove. „Breathable Textile Rectangular Ring Microstrip Patch Antenna at 2.45 GHz for Wearable Applications“. Sensors 21, Nr. 5 (26.02.2021): 1635. http://dx.doi.org/10.3390/s21051635.
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A textile patch antenna is an attractive package for wearable applications as it offers flexibility, less weight, easy integration into the garment and better comfort to the wearer. When it comes to wearability, above all, comfort comes ahead of the rest of the properties. The air permeability and the water vapor permeability of textiles are linked to the thermophysiological comfort of the wearer as they help to improve the breathability of textiles. This paper includes the construction of a breathable textile rectangular ring microstrip patch antenna with improved water vapor permeability. A selection of high air permeable conductive fabrics and 3-dimensional knitted spacer dielectric substrates was made to ensure better water vapor permeability of the breathable textile rectangular ring microstrip patch antenna. To further improve the water vapor permeability of the breathable textile rectangular ring microstrip patch antenna, a novel approach of inserting a large number of small-sized holes of 1 mm diameter in the conductive layers (the patch and the ground plane) of the antenna was adopted. Besides this, the insertion of a large number of small-sized holes improved the flexibility of the rectangular ring microstrip patch antenna. The result was a breathable perforated (with small-sized holes) textile rectangular ring microstrip patch antenna with the water vapor permeability as high as 5296.70 g/m2 per day, an air permeability as high as 510 mm/s, and with radiation gains being 4.2 dBi and 5.4 dBi in the E-plane and H-plane, respectively. The antenna was designed to resonate for the Industrial, Scientific and Medical band at a specific 2.45 GHz frequency.
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Xiao, Ya-Qian, und Chi-Wai Kan. „Review on the Development and Application of Directional Water Transport Textile Materials“. Coatings 12, Nr. 3 (23.02.2022): 301. http://dx.doi.org/10.3390/coatings12030301.
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Moisture (sweat) management in textile products is crucial to regulate human thermo-physiological comfort. Traditional hydrophilic textiles, such as cotton, can absorb sweat, but they retain it, leading to undesired wet adhesion sensation and even excessive cooling. To address such issues, the development of functional textiles with directional water transport (DWT) has garnered great deal of interest. DWT textile materials can realize directional water transport and prevent water penetration in the reverse direction, which is a great application for sweat release in daily life. In this review article, the mechanism of directional water transport is analyzed. Then, three key methods to achieve DWT performance are reviewed, including the design of the fabric structure, surface modification and electrospinning. In addition, the applications of DWT textile materials in functional clothing, electronic textiles, and wound dressing are introduced. Finally, the challenges and future development trends of DWT textile materials in the textile field are discussed.
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Nigusse, Abreha Bayrau, Desalegn Alemu Mengistie, Benny Malengier, Granch Berhe Tseghai und Lieva Van Langenhove. „Wearable Smart Textiles for Long-Term Electrocardiography Monitoring—A Review“. Sensors 21, Nr. 12 (17.06.2021): 4174. http://dx.doi.org/10.3390/s21124174.
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The continuous and long-term measurement and monitoring of physiological signals such as electrocardiography (ECG) are very important for the early detection and treatment of heart disorders at an early stage prior to a serious condition occurring. The increasing demand for the continuous monitoring of the ECG signal needs the rapid development of wearable electronic technology. During wearable ECG monitoring, the electrodes are the main components that affect the signal quality and comfort of the user. This review assesses the application of textile electrodes for ECG monitoring from the fundamentals to the latest developments and prospects for their future fate. The fabrication techniques of textile electrodes and their performance in terms of skin–electrode contact impedance, motion artifacts and signal quality are also reviewed and discussed. Textile electrodes can be fabricated by integrating thin metal fiber during the manufacturing stage of textile products or by coating textiles with conductive materials like metal inks, carbon materials, or conductive polymers. The review also discusses how textile electrodes for ECG function via direct skin contact or via a non-contact capacitive coupling. Finally, the current intensive and promising research towards finding textile-based ECG electrodes with better comfort and signal quality in the fields of textile, material, medical and electrical engineering are presented as a perspective.
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Stankovic, Snezana. „Transport properties and permeability of textile materials“. Chemical Industry 77, Nr. 3 (2023): 177–79. http://dx.doi.org/10.2298/hemind230921022s.
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Heat and mass transfer through textile fabrics play a crucial role in achieving optimal thermal comfort perception by a person. The governing properties of textile fabrics by which they influence heat and mass transfer from the human skin to the environment are thermal transport capacity, water vapor permeability, and air permeability. The transfer of liquid moisture through textiles is important for thermal comfort during frequent changes in physical activity or climate. Despite numerous studies on the transport properties of textile materials over the past years, investigation in this subject area is still needed. This special issue includes five articles that offer valuable information on the subject. Both commercial and specially designed textile structures were investigated within the presented studies with the ambitious goal of providing a new understanding of their transport properties. Within the first four papers presented, certain aspects of heat and mass transfer through textile materials were analyzed at the three scale levels: microscopic (fiber type), mesoscopic (yarn geometry and fineness), and macroscopic (fabric porosity) levels. The fifth article dealt with the influence of the seam type and the sewing thread fineness on the transport properties of the seamed structure.
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Adámek, Karel, Antonin Havelka, Zdenek Kůs und Adnan Mazari. „Correlation of Air Permeability to Other Breathability Parameters of Textiles“. Polymers 14, Nr. 1 (30.12.2021): 140. http://dx.doi.org/10.3390/polym14010140.
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In the field of textile comfort of smart textiles, the breathability of the material is very important. That includes the flow of air, water and water vapours through the textile material. All these experiments are time consuming and costly; only air permeability is much faster and economical. The research is performed to find correlation between these phenomena of breathability and to predict the permeability based on only the air permeability measurement. Furthermore, it introduces a new way of expressing the Ret (water vapour resistance) unit according to SI standards as it is connected with the air permeability of garments. The need to find a correlation between air permeability and water vapour permeability is emphasised in order to facilitate the assessment of clothing comfort. The results show that there is a strong relation between air permeability and water vapour permeability for most of the textile material.
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Fan, Wenjing, Qiang He, Keyu Meng, Xulong Tan, Zhihao Zhou, Gaoqiang Zhang, Jin Yang und Zhong Lin Wang. „Machine-knitted washable sensor array textile for precise epidermal physiological signal monitoring“. Science Advances 6, Nr. 11 (März 2020): eaay2840. http://dx.doi.org/10.1126/sciadv.aay2840.
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Wearable textile electronics are highly desirable for realizing personalized health management. However, most reported textile electronics can either periodically target a single physiological signal or miss the explicit details of the signals, leading to a partial health assessment. Furthermore, textiles with excellent property and comfort still remain a challenge. Here, we report a triboelectric all-textile sensor array with high pressure sensitivity and comfort. It exhibits the pressure sensitivity (7.84 mV Pa−1), fast response time (20 ms), stability (>100,000 cycles), wide working frequency bandwidth (up to 20 Hz), and machine washability (>40 washes). The fabricated TATSAs were stitched into different parts of clothes to monitor the arterial pulse waves and respiratory signals simultaneously. We further developed a health monitoring system for long-term and noninvasive assessment of cardiovascular disease and sleep apnea syndrome, which exhibits great advancement for quantitative analysis of some chronic diseases.
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Thahani, Z. Rasmin. „Smart Textiles- On Review“. International Journal of Applied and Structural Mechanics, Nr. 11 (02.09.2021): 1–11. http://dx.doi.org/10.55529/ijasm11.1.11.
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Smart Textiles Are Intelligent Textile Structure That Can Sense And React To Environmental Stimuli, Which May Be Mechanical, Thermal, Chemical, Biological, And Magnetic Among Others. Research And Development Towards Wearable Textile-Based Personal Systems Allowing E.G. Health Monitoring, Protection & Safety, And Healthy Lifestyle Gained Strong Interest During The Last 10 Years. The Functionalities Include Aesthetic Appeal, Comfort, Textile Soft Display, Smart Controlled Fabric, Fantasy Design With Color Changing, Wound Monitoring, Smart Wetting Properties And Protection Against Extreme Variations In Environmental Conditions. This Paper Describes About Smart Textiles And Some Types Of Smart Textiles Used In Industry. It Also Describes The Current Status Of Research And Development Of Wearable Systems By Reporting The Salient Characteristics Of The Most Promising Projects Being Developed And The Future Challenges In This Area.
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Meinander, Harriet. „Haptic Sensing in Intelligent Textile Development“. Advances in Science and Technology 60 (September 2008): 123–27. http://dx.doi.org/10.4028/www.scientific.net/ast.60.123.
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The haptic properties of textiles are of crucial importance in most application areas and particularly for skin contact garments. Extensive research work has therefore been done both in defining the mechanical textile properties, which influence the haptic sensations, in measuring these textile properties, in defining procedures for subjective evaluation of the haptics of textiles, and in simulation of the properties in a virtual environment. In the development of new smart or intelligent textiles it is particularly important to consider the haptic properties. The introduction of non-textile elements (e.g. sensors, transmitters) in the garments or other textile products easily cause impaired haptic or other comfort properties, which might not be accepted by the markets and the end-users. A primary application area for smart garments is in the health care, where tight fitting underwear garments for the monitoring of body functions (heart rate, ECG, temperature) have been developed. Good haptic properties are particularly important for unhealthy or elderly persons with very sensitive skin.
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Militký, Jiří, Dana Křemenáková, Mohanapriya Venkataraman, Josef Večerník, Lenka Martínková und Jan Marek. „Sandwich Structures Reflecting Thermal Radiation Produced by the Human Body“. Polymers 13, Nr. 19 (28.09.2021): 3309. http://dx.doi.org/10.3390/polym13193309.
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Far infrared (FIR) textiles are a new category of functional textiles that have presumptive health and well-being functionality and are closely related to human thermo-physiological comfort. FIR exerts strong rotational and vibrational effects at the molecular level, with the potential to be biologically beneficial. In general, after absorbing either sunlight or heat from the human body, FIR textiles are designed to transform the energy into FIR radiation with a wavelength of 4–14 μm and pass it back to the human body. FIR textiles can meet increased demand for light, warm, comfortable, and healthy clothing. The main aim of this research is to describe the procedure for creating the FIR reflective textile layer as part of multilayer textile structures that have enhanced thermal protection. To develop the active FIR reflecting surface, the deposition of copper nanolayer on lightweight polyester nonwoven structure Milife, which has beneficial properties of low fiber diameters, good shape stability and comfort, was used. This FIR reflective layer was used as an active component of sandwiches composed of the outer layer, insulation layer, active layer, and inner layer. The suitable types of individual layers were based on their morphology, air permeability, spectral characteristics in the infra-red region, and thermal properties. Reflectivity, transmittance, and emissivity were evaluated from IR measurements. Human skin thermal behavior and the prediction of radiation from the human body dependent on ambient conditions and metabolic rate are also mentioned. The FIR reflective textile layer created, as part of multilayer textile structures, was observed to have enhanced thermal protection.
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Islam, Md Rashedul, Kevin Golovin und Patricia I. Dolez. „Clothing Thermophysiological Comfort: A Textile Science Perspective“. Textiles 3, Nr. 4 (30.09.2023): 353–409. http://dx.doi.org/10.3390/textiles3040024.
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Thermophysiological comfort is a crucial aspect of human life, contributing to health and work performance. The current paper aims to enhance the understanding of current research, progress, and remaining challenges regarding clothing thermophysiological comfort from a textile science perspective. It provides a comprehensive review of several facets of clothing thermophysiological comfort, focusing on the history of thermophysiological comfort prediction models, heat and moisture transfer mechanisms in the skin–clothing–environment system, controlling factors of thermophysiological comfort, textile materials for superior thermophysiological comfort, and thermal comfort assessment techniques. The paper shows that previously developed thermophysiological comfort models were mainly based on the human thermoregulation process. However, the effect of the air gap size between the human skin and the cloth layer, i.e., the microclimate, on the heat and moisture transfer in the skin–clothing–environment system has been largely overlooked. In addition, thermophysiological comfort models of skin–clothing–environment systems generally only considered dry thermal resistance and evaporative resistance, yet many other fabric properties have effects on human thermophysiological comfort. Potential future directions are identified to fill some of the current gaps. A conceptual model of clothing comfort to contribute to a better understanding of thermophysiological comfort is also proposed.
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Xiang, Ziyang, Liuwei Wan, Zidan Gong, Zhuxin Zhou, Zhengyi Ma, Xia OuYang, Zijian He und Chi Chiu Chan. „Multifunctional Textile Platform for Fiber Optic Wearable Temperature-Monitoring Application“. Micromachines 10, Nr. 12 (10.12.2019): 866. http://dx.doi.org/10.3390/mi10120866.
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Wearable sensing technologies have been developed rapidly in the last decades for physiological and biomechanical signal monitoring. Much attention has been paid to functions of wearable applications, but comfort parameters have been overlooked. This research presents a developed fabric temperature sensor by adopting fiber Bragg grating (FBG) sensors and processing via a textile platform. This FBG-based quasi-distributed sensing system demonstrated a sensitivity of 10.61 ± 0.08 pm/°C with high stability in various temperature environments. No obvious wavelength shift occurred under the curvatures varying from 0 to 50.48 m−1 and in different integration methods with textiles. The temperature distribution monitored by the developed textile sensor in a complex environment with multiple heat sources was deduced using MATLAB to present a real-time dynamic temperature distribution in the wearing environment. This novel fabric temperature sensor shows high sensitivity, stability, and usability with comfort textile properties that are of great potential in wearable applications.
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Steffens, Fernanda, Sharon Erckmann Gralha, Iêda Letícia S. Ferreira und Fernando Ribeiro Oliveira. „Military Textiles - An Overview of New Developments“. Key Engineering Materials 812 (Juli 2019): 120–26. http://dx.doi.org/10.4028/www.scientific.net/kem.812.120.
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Textiles for military clothing face a complex set of challenges. They must provide protection, durability and comfort in a wide range of hostile environments. The general requirements of military textiles include damage resistance, comfort, sweat management, cold-weather conditions and the integration of high-tech materials into uniforms. This paper discusses the main concepts regarding the application of textiles in military uses, where the surrounding environments such as desert, jungle or extremely cold areas as well as the nature of the situations involved pose a threat to the soldier’s safety. Therefore, the improvement and development of fibrous materials, textile structures and finishing processes can bring new perspectives for saving lives.
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Lam, Ngan Yi Kitty, Meng Zhang, Chenxiao Yang, Chu Po Ho und Li Li. „A pilot intervention with chitosan/cotton knitted jersey fabric to provide comfort for epidermolysis bullosa patients“. Textile Research Journal 88, Nr. 6 (23.01.2017): 704–16. http://dx.doi.org/10.1177/0040517516688625.
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Epidermolysis bullosa (EB) is a rare hereditary skin disease that causes skin fragility and blistering. Since the wounds of EB do not fully heal, and there is currently no available medical technology that can cure this skin disease, patients suffer from the related physical and psychological pain during their lifetime. Therefore, it is important that skin-protective apparel with protective functions be specifically developed for EB patients to improve their wear comfort and reduce their chances of further skin injuries through the interaction of clothing as a “second skin” and the human skin. This study investigated the fabric comfort properties of chitosan/cotton blend knitted jersey fabric in order to provide comprehensive knowledge to facilitate further medical textile development for EB patients. A proposed model determines the role of chitosan-based yarn in providing comfort to EB patients to determine scientifically the association between textile comfort and medical treatment, and establishes the relationship between percentage composition and comfort to facilitate further examination of medical textiles in both theoretical and practical aspects. The results show that increases in the concentration of chitosan (50% or above) in the blend ratio reduce the rigidity of the fabric and provide a softer handle for the inner surface of the fabric. The surface friction coefficient is reduced which means a smoother surface and the thermal maximum flux is also reduced, that intends a fabric with a cooler handle. It is concluded that fabric with a composition that incorporates chitosan fibers can provide better comfort, which in turn, facilitated the development of a skin-protective textile for EB patients, by the application of chitosan/cotton blend knitted jersey fabric.
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Hörteborn, Erica, Malgorzata A. Zboinska, Valery Chernoray und Mats Ander. „Architectural Knitted Windbreaks for Improved Wind Comfort in the City: A Wind Tunnel Study of Custom-Designed Porous Textile Screens“. Buildings 13, Nr. 1 (23.12.2022): 34. http://dx.doi.org/10.3390/buildings13010034.
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There is a need to shield from the wind to improve pedestrian comfort in urban environments. Perforated windbreaks, such as fences, vegetation or textile nets, have proven to be an efficient solution, whereas knitted textiles have not yet been explored. The purpose of this study was to evaluate the capacity of knitted textile windbreaks to reduce wind velocities, to inform further research and promote wider architectural applications. Five custom-knitted textile prototypes, representing fragments of textile windbreaks, were tested in a wind tunnel and compared against a perforated and a nonperforated solid board. Forces on the models, as well as upstream and downstream velocities, were measured. The results indicate that the optimal optical porosity of knitted windbreaks should be around 10%, which differs from the porosity for perforated windbreaks recommended by prior studies. Moreover, it was observed that a textile windbreak knitted using the drop-stitch technique efficiently reduces the wind, while not generating a large drag force. Furthermore, the drag coefficient for the knitted windbreak is reduced with increased windspeed. With this, the presented study demonstrates that knitted structures exposed to wind influence have the functional potential of becoming efficient windbreaks, thus improving wind comfort and aesthetic user experience in the urban space.
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NISHIMATSU, TOYONORI. „Quantify Clothing Comfort of Textile Products“. Sen'i Gakkaishi 75, Nr. 6 (10.06.2019): P—313—P—318. http://dx.doi.org/10.2115/fiber.75.p-313.
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Arquilla, Katya, Andrea Webb und Allison Anderson. „Textile Electrocardiogram (ECG) Electrodes for Wearable Health Monitoring“. Sensors 20, Nr. 4 (13.02.2020): 1013. http://dx.doi.org/10.3390/s20041013.
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Wearable health-monitoring systems should be comfortable, non-stigmatizing, and able to achieve high data quality. Smart textiles with electronic elements integrated directly into fabrics offer a way to embed sensors into clothing seamlessly to serve these purposes. In this work, we demonstrate the feasibility of electrocardiogram (ECG) monitoring with sewn textile electrodes instead of traditional gel electrodes in a 3-lead, chest-mounted configuration. The textile electrodes are sewn with silver-coated thread in an overlapping zig zag pattern into an inextensible fabric. Sensor validation included ECG monitoring and comfort surveys with human subjects, stretch testing, and wash cycling. The electrodes were tested with the BIOPAC MP160 ECG data acquisition module. Sensors were placed on 8 subjects (5 males and 3 females) with double-sided tape. To detect differences in R peak detectability between traditional and sewn sensors, effect size was set at 10% of a sample mean for heart rate (HR) and R-R interval. Paired student’s t-tests were run between adhesive and sewn electrode data for R-R interval and average HR, and a Wilcoxon signed-rank test was run for comfort. No statistically significant difference was found between the traditional and textile electrodes (R-R interval: t = 1.43, p > 0.1; HR: t = −0.70, p > 0.5; comfort: V = 15, p > 0.5).
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Vasconcelos, Silvia de Lima, Marcel Sattler, Birgit Müller, Wolfgang Plehn und Wolfgang Horn. „The Influence of textile floor coverings on the indoor air quality“. E3S Web of Conferences 111 (2019): 02051. http://dx.doi.org/10.1051/e3sconf/201911102051.
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Textile floor coverings are often used in offices and residential buildings. Large areas like meeting rooms, cinemas, theaters and hotels are often equipped with such coverings. They contribute to the comfort of the users as they provide high pedaling comfort and sound absorption. The weakness of these building materials is due to the odor emission that is released from the floor covering, which affects the comfort of the users. A bad air quality and the resulting dissatisfaction can lead to lower employee productivity [1] [2]. The research project of the Hochschule für Technik und Wirtschaft Berlin (HTWBerlin) is promoted by the German Environment Agency (UBA). The project has the following title: Lowemission and low-odor building products for energy-efficient buildings - Development of requirements and concepts for the Blue Angel from a climate protection perspective; investigates the emission and odor behavior of textile floor coverings (Emissions- und geruchsarme Bauprodukte für energieeffiziente Gebäude - Entwicklung von Anforderungen und Konzepten für den Blauen Engel aus Klimaschutzsicht; untersucht das Emissions- und Geruchsverhalten textiler Bodenbeläge). The results of the study are shown in this paper.
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Han, Jiajun. „The application of biomass graphene functional fabrics reflects“. Advances in Engineering Technology Research 6, Nr. 1 (14.06.2023): 136. http://dx.doi.org/10.56028/aetr.6.1.136.2023.
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In the construction and development of modern society, in the face of increasingly high clothing comfort requirements, research scholars in the development of existing fabrics at the same time, more attention to reflect the ecological concept of green comfort. Graphene, as a two-dimensional layered carbon, has strong antibacterial, electrical and mechanical properties. By combining biomass graphene with traditional textile industry, it provides a new idea for the innovation and development of modern textile industry. It can not only guide textiles to develop steadily in the direction of high quality and multi-function. It can also meet the functional needs of social residents such as windproof, thermal adjustability, durability, antistatic and so on. Therefore, on the basis of understanding the current research status of the application of biomass graphene materials, this paper mainly explores how to integrate the biomass graphene and textile industry together, and then uses practical cases to clarify the application value of graphene, in order to accelerate the pace of innovative development of our garment industry.
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Kan, Chi-Wai, und Yin-Ling Lam. „Future Trend in Wearable Electronics in the Textile Industry“. Applied Sciences 11, Nr. 9 (26.04.2021): 3914. http://dx.doi.org/10.3390/app11093914.
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Smart wearable textiles can sense, react, and adapt themselves to external conditions or stimuli, and they can be divided into active and passive smart wearable textiles, which can work with the human brain for cognition, reasoning, and activating capacity. Wearable technology is among the fastest growing parts of health, entertainment, and education. In the future, the development of wearable electronics will be focused on multifunctional, user-friendly, and user acceptance and comfort features and shall be based on advanced electronic textile systems.
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Tadesse, Melkie Getnet, R. Harpa, Y. Chen, L. Wang, V. Nierstrasz und C. Loghin. „Assessing the comfort of functional fabrics for smart clothing using subjective evaluation“. Journal of Industrial Textiles 48, Nr. 8 (15.03.2018): 1310–26. http://dx.doi.org/10.1177/1528083718764906.
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Sensory investigations of the functional textiles could be an alternative for the quality inspection and control of the products. The purpose of this research is to use subjective evaluation technique for assessing the tactile comfort of some functional textile fabrics based on AATCC Evaluation procedure 5-2011. Blind subjective evaluations and visual subjective evaluations were performed for sensory investigation. Ten fabric-skin-contact and comfort-related sensory properties were used to evaluate the handle of the functional textile fabrics. The reliability of the sensorial data obtained by subjective tests was evaluated using statistical data analysis techniques. A minimum and maximum consensus distances recorded were 0.58 and 1.61, respectively, using a descriptive sensory panel analysis and proves the consistency and similar sensorial perception between panelists. The Pearson correlation coefficient between panelists was up to 96% and hence a strong agreement between the panelist’s judgment. The results allowed to consider the subjective evaluation using a panel of experts could be validated in the case of functional fabrics. For functional textiles, additional visual subjective evaluation should be considered to have a similar human perception in addition to blind subjective evaluation.
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Siddiqui, Muhammad Owais Raza, und Danmei Sun. „Development of Experimental Setup for Measuring the Thermal Conductivity of Textiles“. Clothing and Textiles Research Journal 36, Nr. 3 (10.04.2018): 215–30. http://dx.doi.org/10.1177/0887302x18768041.
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The thermophysical properties of textile materials are very important in helping to understand the thermal comfort of fabrics for clothing and technical textiles. An experimental setup for the measurement of the thermal conductivity of fabrics was developed based on the heat flow meter principle. The setup was considered highly accurate and reliable based on the low absolute error, high correlation coefficient, and the coefficient of determination between the results from the setup and commercially available devices. The setup is easy to use for testing any textile-based materials and their composites.
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Durmuş, Müjgan, Rukiye Demir, Fatma Betül Kahraman, Erkan Ekinci, Cem Güneşoğlu und Erhan Sancak. „Optimization of Thermal Comfort Properties in Duvets by Thermal Resistance Measurements in Home Textile Products“. European Journal of Research and Development 2, Nr. 4 (31.12.2022): 81–89. http://dx.doi.org/10.56038/ejrnd.v2i4.146.
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Home textiles have many functions, as well as their aesthetic features for the decoration of homes, that will make people's lives more comfortable. In other words, home textile products are textiles that increase the quality of life and satisfy the daily essentials of individuals for a healthy sleep. It is observed that the home textile industry is becoming exceedingly competitive and products that provide customer satisfaction and offer quality are generally preferred in the global market. The objective of this study is to determine the thermal comfort properties of duvets by making thermal resistance measurements in home textile products and to reveal the effects of properties on sleep quality. In line with this objective, the air and heat permeability of the duvets were measured with the TOG (Thermal Overall Grade) value. As a result of the measurements, the effects of the fiber type and thickness of the filling material in the duvet layers, the fiber type and density of the fabrics and interlining on the TOG values were observed. According to the high or low TOG value, the thermal resistance properties of the duvets were determined with the effect of layer, thickness and material. As a result of this study, the fabric, interlining and filling materials in the duvet layers were standardized according to the TOG values obtained.
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Chatterjee, Kony, und Tushar K. Ghosh. „Thermoelectric Materials for Textile Applications“. Molecules 26, Nr. 11 (25.05.2021): 3154. http://dx.doi.org/10.3390/molecules26113154.
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Since prehistoric times, textiles have served an important role–providing necessary protection and comfort. Recently, the rise of electronic textiles (e-textiles) as part of the larger efforts to develop smart textiles, has paved the way for enhancing textile functionalities including sensing, energy harvesting, and active heating and cooling. Recent attention has focused on the integration of thermoelectric (TE) functionalities into textiles—making fabrics capable of either converting body heating into electricity (Seebeck effect) or conversely using electricity to provide next-to-skin heating/cooling (Peltier effect). Various TE materials have been explored, classified broadly into (i) inorganic, (ii) organic, and (iii) hybrid organic-inorganic. TE figure-of-merit (ZT) is commonly used to correlate Seebeck coefficient, electrical and thermal conductivity. For textiles, it is important to think of appropriate materials not just in terms of ZT, but also whether they are flexible, conformable, and easily processable. Commercial TEs usually compromise rigid, sometimes toxic, inorganic materials such as bismuth and lead. For textiles, organic and hybrid TE materials are more appropriate. Carbon-based TE materials have been especially attractive since graphene and carbon nanotubes have excellent transport properties with easy modifications to create TE materials with high ZT and textile compatibility. This review focuses on flexible TE materials and their integration into textiles.
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Niu, Li, Xuhong Miao, Gaoming Jiang, Ailan Wan, Yutian Li und Qing Liu. „Biomechanical energy harvest based on textiles used in self-powering clothing“. Journal of Engineered Fibers and Fabrics 15 (Januar 2020): 155892502096735. http://dx.doi.org/10.1177/1558925020967352.
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Advanced triboelectric nanogenerator techniques provide a massive opportunity for the development of new generation wearable electronics, which toward multi-function and self-powering. Textiles have been refreshed with the requirement of flexible electronics in recent decades. In particular, knitted-textiles have exhibited enormous and prominent potential possibilities for smart wearable devices, which are based on the merits of high stretchability, excellent elasticity, comfortability as well as compatibility. Combined knitted textiles with nanogenerator techniques will promote the knitted textile triboelectric nanogenerators (KNGs) emerging, endowing conventional textiles with biomechanical energy harvesting and sensing energy supplied abilities. However, the design of KNGs and the construction of KNGs are based on features of human motions symbolizing considerable challenges in both high efficiency and excellent comfort. Currently, this review is concerned with KNGs construction account of triboelectric effects referring to knitted-textile classifications, structural features, human motion energy traits, working mechanisms, and practical applications. Moreover, the remaining challenges of industrial production and the future prospects of knitted-textile triboelectric nanogenerators of harvesting biomechanical energy are presented.
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Арабулі, С. І., А. Т. Арабулі, С. С. Ототюк, В. В. Клочко und Д. Ю. Черепенко. „ОЦІНКА ПОКАЗНИКІВ КОМФОРТНОСТІ БІЛИЗНЯНИХ ТРИКОТАЖНИХ ПОЛОТЕН ДЛЯ ЗАНЯТЬ СПОРТОМ“. Bulletin of the Kyiv National University of Technologies and Design. Technical Science Series 136, Nr. 4 (18.11.2019): 106–14. http://dx.doi.org/10.30857/1813-6796.2019.4.11.
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Determination of comfort properties of knitted underwear for sports and comparison of traditional and innovative underwear for thermal underwear. Methodology. The article provides an analysis of the modern range of textile materials for underwear, analyzes the latest developments in the design of thermal underwear. The modern methods have been used to determine clothing comfort and physical properties of textile materials. Experimental studies are based on the basic principles of textile materials science.
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M. Shahidi, Arash, Kalana Marasinghe, Parvin Ebrahimi, Jane Wood, Zahra Rahemtulla, Philippa Jobling, Carlos Oliveira, Tilak Dias und Theo Hughes-Riley. „Quantification of Fundamental Textile Properties of Electronic Textiles Fabricated Using Different Techniques“. Textiles 4, Nr. 2 (03.05.2024): 218–36. http://dx.doi.org/10.3390/textiles4020013.
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Electronic textiles (E-textiles) have experienced an increase in interest in recent years leading to a variety of new concepts emerging in the field. Despite these technical innovations, there is limited literature relating to the testing of E-textiles for some of the fundamental properties linked to wearer comfort. As such, this research investigates four fundamental properties of E-textiles: air permeability, drape, heat transfer, and moisture transfer. Three different types of E-textiles were explored: an embroidered electrode, a knitted electrode, and a knitted structure with an embedded electronic yarn. All of the E-textiles utilized the same base knitted fabric structure to facilitate a comparative study. The study used established textile testing practices to evaluate the E-textiles to ascertain the suitability of these standards for these materials. The study provides a useful point of reference to those working in the field and highlights some limitations of existing textile testing methodologies when applied to E-textiles.
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Yang, Weifeng, Shaomei Lin, Wei Gong, Rongzhou Lin, Chengmei Jiang, Xin Yang, Yunhao Hu et al. „Single body-coupled fiber enables chipless textile electronics“. Science 384, Nr. 6691 (05.04.2024): 74–81. http://dx.doi.org/10.1126/science.adk3755.
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Intelligent textiles provide an ideal platform for merging technology into daily routines. However, current textile electronic systems often rely on rigid silicon components, which limits seamless integration, energy efficiency, and comfort. Chipless electronic systems still face digital logic challenges owing to the lack of dynamic energy-switching carriers. We propose a chipless body-coupled energy interaction mechanism for ambient electromagnetic energy harvesting and wireless signal transmission through a single fiber. The fiber itself enables wireless visual–digital interactions without the need for extra chips or batteries on textiles. Because all of the electronic assemblies are merged in a miniature fiber, this facilitates scalable fabrication and compatibility with modern weaving techniques, thereby enabling versatile and intelligent clothing. We propose a strategy that may address the problems of silicon-based textile systems.
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Marolleau, A., F. Salaun, D. Dupont, H. Gidik und S. Ducept. „Influence of textile properties on thermal comfort“. IOP Conference Series: Materials Science and Engineering 254 (Oktober 2017): 182007. http://dx.doi.org/10.1088/1757-899x/254/18/182007.
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Tomina, Olha, und Leonid Gook. „TEXTILES IN THE RESIDENTIAL INTERIOR“. Architectural Bulletin of KNUCA, Nr. 22-23 (12.12.2021): 178–82. http://dx.doi.org/10.32347/2519-8661.2021.22-23.178-182.
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The relevance of the study is due to new experience in architectural design, new technologies and types of materials and the need to generalize and systematize them to expand the formative possibilities of textiles in the design of residential interiors. Research in the field of interior textile design was carried out by: T.I. Isayeva, Khabibullina, E.V. Zmanovska and others. The purpose of the study is to identify areas, functions and compositional techniques of textiles in residential interiors. The historical reference of development of textile production is resulted. The structural analysis of textiles in the interior by types of textile materials, production technology, types of weave, types of ornaments; identified qualities of textile materials, which determine their widespread use and the main areas of application of textiles in modern residential interiors. According to the results of the research, the main functions of textiles in the interior are revealed: creation of a comfortable microclimate in the room; psychological comfort; space adjustment; visual isolation; protection of surfaces from damage and pollution; hygiene products; decorative; compositional component of interior space design. The description of types of textile wall-paper, curtains is resulted. The compositional function of textiles in the interior is revealed: accent, dominant, background, rhythm.
The conclusion is made that at a choice of textiles and reception of placement it is necessary to consider regional natural and climatic conditions; the style decision of an interior is accepted; function, size, orientation on the sides of the horizon of the room; combination of textiles with finishing of surfaces of enclosing designs and subject filling of the room; combination of fabrics in texture, color and pattern; price segment.
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Guo, Mingrui, Yangyang Peng, Zihan Chen, Nan Sheng und Fengxin Sun. „Smart Humidly Adaptive Yarns and Textiles from Twisted and Coiled Viscose Fiber Artificial Muscles“. Materials 15, Nr. 23 (23.11.2022): 8312. http://dx.doi.org/10.3390/ma15238312.
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The self-adaptive nature of smart textiles to the ambient environment has made them an indispensable part of emerging wearable technologies. However, current advances generally suffer from complex material preparation, uncomfortable fitting feeling, possible toxicity, and high cost in fabrication, which hinder the real-world application of smart materials in textiles. Herein, humidity-response torsional and tensile yarn actuators from twisted and coiled structures are developed using commercially available, cost-effective, and biodegradable viscose fibers based on yarn-spinning and weaving technologies. The twisted yarn shows a reversible torsional stroke of 1400° cm−1 in 5 s when stimulated by water fog with a spraying speed of 0.05 g s−1; the coiled yarn exhibits a peak tensile stroke of 900% upon enhancing the relative humidity. Further, textile manufacturing allows for the scalable fabrication to create fabric artificial muscles with high-dimensional actuation deformations and human-touch comfort, which can boost the potential applications of the humidly adaptive yarns in smart textile and advanced textile materials.
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Gu, Hai Lan, und Wei Zhang. „Optimization Research in Heat-Moisture Comfort Evaluation System Parameters of Fabric Based on Matlab“. Applied Mechanics and Materials 644-650 (September 2014): 1514–18. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.1514.
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Heat-moisture comfort of the fabric is an important part to judge its performance. The research of heat-moisture is a frontier topic in the field of modern textile technology, increasingly brought to the attention of the national textile field researchers and become a hot issue worldwide.This topic research personnel, in the use of multiple regression analysis method to establish the fabric heat transfer law of mathematical model, using the method of unified goal of thermal and moisture comfortable building fabric performance comprehensive evaluation system, based on the thermal wet comfort properties of fabrics parameters optimization research. In establishing the evaluation system of fabric heat-moisture comfort performance, mathematical knowledge-based on Matlab software is a tool to solve practical problems. Heat-moisture transfer fabric and strive to build a mathematical model of the law, as well as comprehensive evaluation system of heat-moisture comfort performance, providing an important reference for technical textile enterprises to develop new products, enhance and improve the performance of the heat and moisture comfort of fabric.
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Terliksiz, Sena, Fatma Kalaoğlu und Selin Hanife Eryürük. „Analysis of thermal comfort properties of jacquard knitted mattress ticking fabrics“. International Journal of Clothing Science and Technology 28, Nr. 1 (07.03.2016): 105–14. http://dx.doi.org/10.1108/ijcst-02-2015-0028.
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Purpose – Sleep is a vital and a basic activity of human life and it is a physiological need for human body. Sleep quality is directly influenced by the comfort conditions of sleep environment. The purpose of this paper is to define the role of textile materials utilized as bed fabrics on air and mass transfer from the human body. Design/methodology/approach – Thermal conductivity, thermal resistance, thickness, water vapour permeability and air permeability properties of fabrics were analyzed and statistically evaluated. Thermal conductivity and resistance measurements were performed in Alambeta test instrument. Water vapour permeability tests were done according to the Rotating Platform method, and air permeability was measured in FX 3300 Textest air permeability tester. Relationships between comfort parameters were statistically evaluated with correlation analysis. Findings – Comfort is a major concept in the determination of overall life quality as well as sleep quality of a resting person. Therefore academic studies about thermal comfort prediction of sleep environment and bed surface fabrics are of great importance. This study investigates conventional mattress ticking fabrics in terms of comfort parameters and defines the important fabric properties on comfort parameters. Originality/value – Sleep comfort is a promising area in textile comfort studies with its dynamics different from body thermal comfort during daily life. However, in general comfort studies are about garment materials which are in direct contact with the skin. This study tries to define the comfort status of textile materials which have indirect contact with the human body surface during sleep duration.
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Veske, Paula, Frederick Bossuyt und Jan Vanfleteren. „Testing for Wearability and Reliability of TPU Lamination Method in E-Textiles“. Sensors 22, Nr. 1 (27.12.2021): 156. http://dx.doi.org/10.3390/s22010156.
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Electronic textiles (e-textiles) and wearable computing have been emerging increasingly during the last decade. Since the market interest and predictions have grown, the research into increasing reliability and durability of wearables and e-textiles is developing rapidly. The washability of different integration methods and resistance to mechanical stress are the main obstacles being tackled. However, the freedom of movement and overall comfort is still often overlooked during the development phase. It is essential to see the e-textile product as a whole and consider several aspects of user experience. This work will focus on developing and improving the thermoplastic polyurethane (TPU) lamination integration method for e-textiles. In the work, a stretchable copper-polyimide based circuit was laminated onto knit fabric using various TPU films and stacks. The study shares measurable characteristics to determine which material assembly and design would ensure the highest durability for the electronics part without losing its original textile softness, flexibility and stretchability.
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Wei, Xiao, Xiaotong Liang, Chongguang Meng, Shuze Cao, Qiongfeng Shi und Jun Wu. „Multimodal electronic textiles for intelligent human-machine interfaces“. Soft Science 3, Nr. 2 (2023): 17. http://dx.doi.org/10.20517/ss.2023.09.
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Smart wearable electronic devices capable of information exchanging (such as human-machine interfaces) have developed into key carriers for the interconnection, intercommunication, and interaction between humans and machines. Multimodal electronic textiles that incorporate multifunctional sensors into daily clothing are an emerging technology to realize smart wearable electronics. This has greatly advanced human-machine interface technology by bridging the gap between wearing comfort and traditional wearable electronic devices, which will facilitate the rapid development and wide application of natural human-machine interfaces. In this article, we provide a comprehensive summary of the latest research progress on multimodal electronic textiles for intelligent human-machine interfaces. Firstly, we introduce the most representative electronic textile manufacturing strategies in terms of functional fiber preparation and multimodal textile forming. Then, we explore the multifunctional sensing capability of multimodal electronic textiles and emphasize their advanced applications in intelligent human-machine interfaces. Finally, we present new insights on the future research directions and the challenges faced in practical applications of multimodal electronic textiles.
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OWAIS RAZA, SIDDIQUI MUHAMMAD, BALOCH ZEHRA, NOORANI MUHAMMAD USAMA, IQBAL KASHIF, ZUBAIR MUHAMMAD und SUN DANMEI. „Modelling method to evaluate the thermo-regulating behaviour of micro-encapsulated PCMs coated fabric“. Industria Textila 73, Nr. 01 (05.03.2022): 3–11. http://dx.doi.org/10.35530/it.073.01.202143.
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Micro-encapsulated Phase Change Materials (MicroPCMs) have been widely used to enhance the thermal comfort of the clothing; they can be applied to fabric by various techniques including the coating process. Phase change material (PCM) has a unique property of latent heat that can absorb and release energy over a constant temperature range which enhances the thermal comfort of the clothing microenvironment. PCM textile structures are used in making smart textiles and thermo-regulated garments. An advanced modelling technique was successfully established to develop a finite element model of woven fabrics coated by MicroPCMs, the developed model was used to simulate and predict the effective thermal conductivity and thermal resistance
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Park, Sohyun, Jooyoun Kim und Chung Hee Park. „Superhydrophobic Textiles: Review of Theoretical Definitions, Fabrication and Functional Evaluation“. Journal of Engineered Fibers and Fabrics 10, Nr. 4 (Dezember 2015): 155892501501000. http://dx.doi.org/10.1177/155892501501000401.
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Engineering of superhydrophobic textile surfaces has gained significant scientific and industrial interest for its potential applications in outdoor wear and protective textiles, resulting in many publications especially on theoretical models and fabrication methods. In this review, progress in theoretical definitions to explain the wetting behavior and realization techniques for superhydrophobic textile surfaces is discussed. Firstly, theoretical models from Young, Wenzel, and Cassie-Baxter to the more recent re-entrant angle model are overviewed to understand the design strategy for superhydrophobic surfaces. Secondly, major surface manipulation techniques to produce superhydrophobic textiles were reviewed for: modification of surface energy, addition of surface roughness by depositing or growing nanoparticles either in spherical form or in high aspect ratio, etching by plasma or caustic chemicals. Particular attention is paid to evaluation methods to measure the level of hydrophobicity for superhydrophobic textile surfaces, as a limitation of static water contact angle (WCA) on differentiating superhydrophobic surfaces has been reported elsewhere. The challenges in application of superhydrophobic textiles to clothing materials in terms of comfort properties and durability are discussed with the suggestion of further research opportunities to expand the application.
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Lavanya S. „Clothing Comfort- Physiological Status and Psychological Status“. International Journal for Modern Trends in Science and Technology 06, Nr. 9S (12.10.2020): 61–67. http://dx.doi.org/10.46501/ijmtst0609s10.
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The primary need of people to dress has changed as time passed, because different high-tech fibers, yarns, fabrics, finishing applications, trends and society influences have completely changed. Welfare and comfort properties have become decisive components to make a product appreciated and successful. This paper presents the detailed explanation of clothing comfort, its subgroups and also the Physiological status and psychological status of the people. Clothing also known as clothes, apparel and attire is items worn on the body. Clothing is typically made of fabrics or textiles but over time has included garments made from animal skin or other thin layers of materials put together. The wearing of comfort clothing is mostly restricted to human beings and is a feature of all human societies. Comfort or being comfortable is a sense of physical or psychological ease, often characterized as a lack of hardship. Persons who are lacking in comfort are uncomfortable, or experiencing discomfort. A degree of psychological comfort can be achieved by recreating experiences that are associated with pleasant. Persons who are surrounded with things that provide psychological comfort may be described as being "in their comfort zone". Because of the personal nature of positive associations, psychological comfort is highly subjective. As the year goes the word comfort is been used in all areas such as food, work, people and clothing. Thermal comfort is the condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation. The human body will release excess heat into the environment, so the body can continue to operate. The heat transfer is proportional to temperature difference. Maintaining this standard of thermal comfort for occupants is one of the important goals of HVAC (heating, ventilation, and air conditioning) design engineers. And in designing of clothes is the most important goal of a fashion designer. There are six primary factors that directly affect thermal comfort that can be grouped in two categories: personal factors - because they are characteristics of the occupants - and environmental factors - which are conditions of the thermal environment. The former are metabolic rate and clothing level, the latter are air temperature, mean radiant temperature, air speed and humidity. Even if all these factors may vary with time, standards usually refer to a steady state to study thermal comfort, just allowing limited temperature variations. The study was conducted to know the responses about comfort clothing in Physiological status and psychological status acceptance. Since there are large variations from person to person in terms of physiological and psychological satisfaction, it is hard to find an optimal temperature for everyone in a ABSTRACT 62 International Journal for Modern Trends in Science and Technology given space. Survey is been collected to define conditions that will be found comfortable for a specified percentage of occupants, being comfortable is a sense of physical or psychological factors. Understanding clothing comfort, Need and consumer trends basic and universal need of consumers in clothing is comfort and they look for good feel and comfort when they buy clothing and other textile materials. Clothing is very important in our life that we use every day to obtain physiological and psychological comfort and also to ensure physical conditions around our body suitable for survival. Therefore, it is extremely important for the survival of human beings and improvement of the quality of our life to have good understanding of the fundamentals of clothing comfort. From the viewpoint of the manufacturers of clothing and textile materials, understanding of clothing comfort has substantial financial implications in the effort to satisfy the needs and wants of consumers in order to obtain sustainable competitive advantages in modern consumer markets. Consumer always expects some additional functional qualities from the clothes they purchase. Clothing is manufactured in a wide range of thermal, tactile and physical properties to meet consumer needs. Depending on the nee. and expectations of the consumer's, the clothing and textile manufacturers provide wide range of options to enhance human comfort. For example, clothing made from blends and natural fibres are preferred to man-made fibres for all comfort attributes except smoothness or woven fabric are preferred to knits for smoothness, thickness and openness. To understand the basics of clothing comfort, sensory tools as well as the equipment’s to evaluate the comfort related characteristics of textile materials have been developed. Large number of studies has been carried out and many equipment are developed in the textile and clothing area such as mechanical, thermal and surface testing, so as to evaluate the related physical properties, but the body between measurement and the consumer feeling of comfort are still difficult to establish. Consumers want everything from the clothing, i.e. it should look good, feel good, perform well, said like their clothing to match with their chosen attitudes, roles and images. Consumers are now allowing touch, smell, intuition, and emotion to influence their decision on clothing selection more than their aesthetic sense. Asa result, great importance is being attributed to the wearing experience and thus comfort is being reinforced as a key parameter in clothing. It is also true that requirements of consumers on comfort changes with products and situations. Clearly, understanding and satisfying the needs of consumer towards clothing products are crucial for the long-term survival and growth of clothing and textile demand. Understanding and enhancement of clothing comfort is definitely one of the important issues.
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MONTEIRO, Eva, Helder CARVALHO, Ana Maria ROCHA, Derya TAMA BIRKOCAK und Helder PUGA. „ALGILAMA VE ELEKTRİK BAĞLANTISI İÇİN TEKSTİL ÜZERİNE ESNEK İLETKEN POLİMERLERİN 3D BASKISI“. Tekstil ve Mühendis 29, Nr. 128 (30.12.2022): 315–21. http://dx.doi.org/10.7216/teksmuh.1222553.
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Additive manufacturing (AM) is a 3D printing technology that works by deposition of a material, layer by layer, creating 3D objects. The growth of these technologies has been exponential and the application of AM in the textile industry has also been a subject of increased interest in the past few years. The applications are not only for decorative purposes, but also for biomedical and other uses in e-textiles. However, a crucial point for making such assembly is the adhesion between the material and the textile substrate, as well as the premise of meeting demanding wash resistance requirements. This work aims to investigate the possibility of creating sensors by combining textiles with conductive polymeric filaments used in 3D printing. Merging the flexibility of use, mechanical properties and electrical conductivity of the polymeric filaments with the comfort and physical properties of the textiles can be a promising approach to create novel sensing structures. In this document, we give an overview of the recent state of the art of experimental research on adhesion in textile and polymer composites as well as an optimization of the printing parameters with a conductive filament, PI-ETPU. Some results from the printed samples in terms of print quality and electrical resistance are presented. Combining both topics, further work will include printing with conductive filament on textile substrates to study the possibly of creating sensing and electrical connections.
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Fajardo, Jorge I., Marco V. Farez und César A. Paltán. „Experimental Analysis of the Relationship between Textile Structure, Tensile Strength and Comfort in 3D Printed Structured Fabrics“. Polymers 15, Nr. 1 (29.12.2022): 152. http://dx.doi.org/10.3390/polym15010152.
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In this article, an experimental investigation was conducted to study the effects of 3D printed structured fabrics on the tensile strength of two additive manufacturing technologies: (i) fused deposition modeling (FDM); and (ii) stereolithography (SLA). Three types of structured fabrics were designed in a linked fabric structure, which resembled the main characteristics of a conventional textile. Through computer-aided design (CAD), the textile structures were sketched, which, in a STL format, were transferred to 3D printing software, and consequently, they were printed. The specimens were subjected to tensile tests to analyse the behaviour of the linked structures under tensile loads. The results obtained indicated that the elements structured in a linked fabric pattern showed a statistically significant effect between the design of the 3D printed structured fabric and its tensile strength. Some important properties in textiles, fabric areal density, fineness (tex) and fabric flexibility were also analysed. This study opens an important field of research on the mechanical resistance of textile structures manufactured by 3D printing, oriented for applications in wearables that have a promising future in the fields of medicine, aerospace, sports, fashion, etc.
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U. S. Sarma. „Metal Coated Coir Fiber for Smart Textile Applications“. CORD 26, Nr. 1 (01.04.2010): 9. http://dx.doi.org/10.37833/cord.v26i1.135.
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Thermo regulated textiles attracted attention in cold countries for outdoor activities in extreme winter conditions. Temperature regulation of textiles for use in adverse environmental condition can be achieved by integrating heat regulated natural fibers into textile construction. Coir being an abundantly available, cheap and biodegradable natural fiber seems to be a material worthy of investigation. Light weight and insulation of coir fiber add to the comfort of the wearer in textile application.
In this study, coir surface is made conductive by metal coating and temperature regulation is achieved by applying a small voltage. Copper, aluminium and silver metals are used for coating the coir fiber surface. Thin film coating on one side of coir fiber is done by vacuum deposition technique. Temperature regulation of upto 12 degrees is found to be possible by the application of a potential of about 1 Volt. Analysis of variance is used to compare the effect of thickness of coating and type of coating material on heat production with respect to voltage. Metal coating on coir fiber is found to provide a versatile combination of physical, thermal and optical properties and can be subjected to textile processing without any problem for the development of smart textiles.
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Júnior, Heitor Luiz Ornaghi, Roberta Motta Neves, Francisco Maciel Monticeli und Lucas Dall Agnol. „Smart Fabric Textiles: Recent Advances and Challenges“. Textiles 2, Nr. 4 (21.11.2022): 582–605. http://dx.doi.org/10.3390/textiles2040034.
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Textiles have been used in our daily life since antiquity in both economies and social relationships. Nowadays, there has never been a greater desire for intelligent materials. Smart fabric textiles with high-quality and high-performance fiber manufacturing with specific functions represented by clothing and apparel brands (such as astronaut suits that can regulate temperature and control muscle vibrations) are becoming increasingly prominent. Product applications also extend from the field of life clothing to the medical/health, ecology/environmental protection, and military/aerospace fields. In this context, this review proposes to demonstrate the recent advances and challenges regarding smart fabric textiles. The possibilities of innovative smart textiles extending the overall usefulness and functionalities of standard fabrics are immense in the fields of medical devices, fashion, entertainment, and defense, considering sufficient comfort as a parameter necessary for users to accept wearable devices. Smart textile devices require a multidisciplinary approach regarding the circuit design of the development of intelligent textiles, as the knowledge of intelligent materials, microelectronics, and chemistry are integrated with a deep understanding of textile production for optimum results.