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Gotowe bibliografie tematyczne / Synthetic-polymer fibres

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Gotowa bibliografia na temat „Synthetic-polymer fibres”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Synthetic-polymer fibres"

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Selvakumar, P. "Fiber Reinforced Polymer Composites: Classification, Chemical Treatment, Mechanical and Tribological Properties". Research Journal of Chemistry and Environment 27, nr 1 (15.12.2022): 111–19. http://dx.doi.org/10.25303/2701rjce1110119.

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Composites are supposed to be the most promising and discriminating material available in this century. Presently, composites armoured with fibers of synthetic materials are gaining more significance as demands for lightweight materials with high potency for specific application are growing in the market. Fibre reinforced polymer (FRP) composites mainly comprise of high strength fibres embedded in polymer matrix keeping a distinct interface between them. In this FRP’s, the individual component keeps their distinct physical and chemical identities but they combine together to produce materials with excellent properties. Low density, high tensile strength and high modulus are the main characteristics of fibre reinforced polymer composites. The main factors that affect load carrying capacity are interfacial bonding between fibre and matrix, alignment of fibre in matrix and the nature of fibres. Here in this review a proportional account of the major synthetic and natural fibres as reinforcement for polymer composites as well as methods for enhancing mechanical properties are discussed. Composites reinforced with fibers of artificial materials are gaining more significance as demands for lightweight materials with high strong point for specific applications are being developing in the market.

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Ismojo, Rangga Hadiwibowo, Anne Zulfia i Mochamad Chalid. "Feasibility Study of Pressure Boiled Method on Defibrillation Stalk Sweet Sorghum Fibres Waste". Materials Science Forum 951 (kwiecień 2019): 71–75. http://dx.doi.org/10.4028/www.scientific.net/msf.951.71.

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Today, due to environmental reasons and limited of fossil resources take many researchers to develop new and renewable materials. Bio-composites which is consisted of synthetic polymers matrix and natural fibres, is one of the alternatives to reducing its problems. Among of natural fibre that has good potential to be used as reinforcement in synthetic polymer matrices is sorghum fibre. However the hydrophilic nature of natural fibers causes it to be incompatible with synthetic polymer matrices which have hydrophobic properties and it’s need to surface modified with particular treatment. The aim of this work was conducted to study the effect of hydrothermal treatment through pressure boiled method by using distilled water in a pressurized stainless steel pan cooking for 5 minutes to defibrillation and hydrophilic properties of stalk sweet sorghum fibres. Evaluation of the experiments was characterized with Field-Emission Scanning Electron microscope (FE-SEM), Fourier Transformation Infra-Red (FTIR) Spectroscopy and sessile drop test instruments, respectively. The experiment was found that using hydrothermal treatments through pressure boiled method led to a removal of binding materials, such as a wax, hemicellulose and lignin, and enhancement the hydrophilic properties of sorghum fibres.

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Bichang’a, DO, FO Aramide, IO Oladele i OO Alabi. "A Review on the Parameters Affecting the Mechanical, Physical, and Thermal Properties of Natural/Synthetic Fibre Hybrid Reinforced Polymer Composites". Advances in Materials Science and Engineering 2022 (12.03.2022): 1–28. http://dx.doi.org/10.1155/2022/7024099.

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The global drive towards a circular economy that emphasizes sustainability in production processes has increased the use of agro-based raw materials like natural fibres in applications that have long been dependent on inorganic raw materials. Natural fibres provide an eco-friendly, more sustainable, and low cost alternative to synthetic fibres that have been used for a long time in the development of composite materials. However, natural fibres are associated with high water absorption capacity due to their hydrophilic nature leading to poor compatibility with hydrophobic polymeric matrices, thus lower mechanical properties for various applications. Hybridization of natural fibres with synthetic fibres enhances the mechanical performance of natural fibres for structural and nonstructural applications such as automobile, aerospace, marine, sporting, and defense. There have been increased research interests towards natural/synthetic fibre hybrid composites in the past two decades (2001–2021) to overcome the identified limitations of natural fibres. Therefore, understanding the parameters affecting the properties and potential of using natural and synthetic fibre reinforcements to develop hybrid composites is of great interest. The review showed that using appropriate fibre orientation, fibre weight fraction and stacking sequence yields good mechanical, physical, and thermal properties that are competitive with what only synthetic fibre reinforced composites can achieve. In addition, these properties can be improved through pretreatment of natural fibres using different chemicals. This paper provides in review form the parameters affecting the mechanical, physical, and thermal properties of natural/synthetic fibre hybrid reinforced polymer composites from the year 2001 to 2021.

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Shalwan, A., Abdalrahman Alajmi i B. F. Yousif. "Theoretical Study of the Effect of Fibre Porosity on the Heat Conductivity of Reinforced Gypsum Composite Material". Polymers 14, nr 19 (23.09.2022): 3973. http://dx.doi.org/10.3390/polym14193973.

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In recent years, there has been an increasing demand for engineering materials that possess good mechanical and thermal properties and are cheap an d environmentally friendly. From an industrial and academic point of view, there is a need to study the heat conductivity of newly developed polymer composites and the influence of porosity on the insulation performance of polymer composites. Experimental and theoretical studies were conducted on mainly sisal/glass fibre gypsum composites with different fibre volumes (0, 20, 25, 30, and 35 wt.%). The outcomes from the theoretical model in ANSYS have shown that there is a high possibility to simulate the experimental work and high accuracy for reflecting the experimental findings. Moreover, the results show that natural fibre polymer composites with a high-volume fraction of natural fibres have higher insulation performance than synthetic polymer composites with the same volume fraction of synthetic fibres. Furthermore, the results suggest and support that the improved performance of natural fibre-based composites was due at least in part to the internal porosity of the fibres.

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MAYER, UDO, i ERNST SIEPMANN. "Basic Dyes for Synthetic-polymer Fibres". Review of Progress in Coloration and Related Topics 5, nr 1 (23.10.2008): 65–74. http://dx.doi.org/10.1111/j.1478-4408.1974.tb03791.x.

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Peters, Arnold T., i Malcolm S. Wild. "Styryl Dyes for Synthetic-polymer Fibres." Journal of the Society of Dyers and Colourists 94, nr 3 (22.10.2008): 106–13. http://dx.doi.org/10.1111/j.1478-4408.1978.tb03401.x.

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Prabakaran, E., D. Vasanth Kumar, A. Jaganathan, P. Ashok Kumar i M. Veeerapathran. "Analysis on Fiber Reinforced Epoxy Concrete Composite for Industrial Flooring – A Review". Journal of Physics: Conference Series 2272, nr 1 (1.07.2022): 012026. http://dx.doi.org/10.1088/1742-6596/2272/1/012026.

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Abstract Fiber composites are the having an good scope in construction industry as they are light in weight, durable, economic, and resistant to temperatures. Many researchers concentrate on the composites for the industrial flooring with the fibers. The main objective of this paper is to review the fiber reinforced epoxy for industrial flooring. Epoxy can be used as flooring elements in industries as they deliver good performance. Since, natural and synthetic fibres can be used with filler matrices, which are very much cheaper than the conventional steel fibres reinforced composite concrete flooring and other type of composites here fibre is considered for reinforcing with epoxy or polymer concrete filler matrix. Fibre-polymer and fibre-concrete composite properties has been reviewed for testing procedure for flexural test, bending test, tensile test and based on the results, it is clear that the fibre-polymer concrete composite, which has good mechanical properties and performance than the mentioned composites, can be made for industrial flooring

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Gordelier, Tessa, Phillip Rudolph Thies, Giovanni Rinaldi i Lars Johanning. "Investigating Polymer Fibre Optics for Condition Monitoring of Synthetic Mooring Lines". Journal of Marine Science and Engineering 8, nr 2 (9.02.2020): 103. http://dx.doi.org/10.3390/jmse8020103.

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Synthetic mooring lines are becoming a popular alternative to conventional chain mooring systems. For marine renewable energy devices, they have been considered as an enabling technology for this nascent sector, given their reduced costs and ease of deployment. However, the extreme operating environment has led to an increased interest in the ‘in-situ’ condition monitoring of these mooring lines. This paper considers the use of polymer fibre optic technology and the optical time domain reflectometry (OTDR) technique for the condition monitoring of synthetic mooring lines. To establish the operating envelope of the fibres, Polymethylmethacrylate (PMMA) polymer optical fibres are mechanically tested. Additionally, an OTDR is used to monitor fibres whilst under elongation using a tensile test machine, and the sensitivity of the system in monitoring strain is established. At the lowest strain rate, the average proportional limit and yield points of the fibres are found at 1.16% strain and 5.41% strain, respectively. Fatigue exposure of fibres up to 1.25% strain identifies no measurable effect on fibres’ proportional limit or yield point. The occurrence of significant creep is identified for fibres strained beyond 1.5%. The OTDR system is able to identify strains at and above 4%. The study identifies important criteria that should be considered in the integration of polymer optical fibres for mooring applications. Limitations are discussed and suggestions for progressing this technology are provided.

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Nurazzi, N. M., S. S. Shazleen, H. A. Aisyah, M. R. M. Asyraf, F. A. Sabaruddin, N. A. Mohidem, M. N. F. Norrrahim i in. "Effect of silane treatments on mechanical performance of kenaf fibre reinforced polymer composites: a review". Functional Composites and Structures 3, nr 4 (1.12.2021): 045003. http://dx.doi.org/10.1088/2631-6331/ac351b.

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Abstract Natural cellulosic fibres, such as kenaf, can be used in polymeric composites in place of synthetic fibres. The rapid depletion of synthetic resources such as petroleum and growing awareness of global environmental problems associated with synthetic products contribute to the acceptance of natural fibres as reinforcing material in polymer composite structures. In Africa and Asia, kenaf is considered a major crop used for various cordage products such as rope, twine, and burlap and in construction, it is used for thermal insulation of walls, floors, and roofs and soundproofing solutions. In the furniture and automotive industry, it is used to manufacture medium-density fibreboard and other composite materials for structural applications. Kenaf is primarily composed of cellulose (approximately 40%–80%), which accounts for its superior mechanical performance. Kenaf fibres are chemically treated before mixing with the polymer matrix to improve their fibre interaction and composite performance. The alkaline treatment with sodium hydroxide (NaOH) solution is the most frequently used chemical treatment, followed by a silane treatment. Numerous chemical concentrations of NaOH and silane solutions are investigated and several combined treatments such as alkaline-silane. The present review discusses the effect of silane treatments on the surface of kenaf fibre on the fabrication of polymer composites and their mechanical properties.

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Vimal Anand, S., G. Venkatachalam, Tushar D. Nikam, Omkar V. Jog i Ravi T. Suryawanshi. "Determination of Vibrational Characteristics of Coir, Banana and Aloe Vera Fibres Reinforced Hybrid Polymer Matrix Composites". March 24, No 1 (marzec 2019): 12–19. http://dx.doi.org/10.20855/ijav.2019.24.11114.

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In the last few years, green composites are becoming more suitable for applications over synthetic composite. There has been a growing interest in recent years in the utilisation of natural fibres in making low-cost building material. However, these natural fibre-based composites are not fully environmentally friendly because the matrix resins are non-biodegradable. In this paper, an attempt is made to fabricate green composites with coir, banana, and aloe vera fibres as reinforcement and hybrid polymer as matrix. The hybrid polymer is prepared from natural and synthetic resins. This work intends to find the vibrational characteristics of these composites. The influence of three parameters, i.e. CNSL in hybrid polymer, fibre volume, and fibre discontinuities on vibrational characteristics are considered. This work is carried out using FEA and the FEA results are validated by experimental results.

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Rozprawy doktorskie na temat "Synthetic-polymer fibres"

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Sirichaisit, Jutarat. "Deformation processes in synthetic and natural polymer fibres". Thesis, University of Manchester, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488312.

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Kamenopoulou, Vassiliki. "Proprietes dosimetriques des fibres textiles : application a la dosimetrie par resonance paramagnetique electronique d'un accident d'irradiation gamma". Toulouse 3, 1987. http://www.theses.fr/1987TOU30172.

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Vève, Jean-Christophe. "Interpretation microstructurale de l'endommagement par fatigue mecanique des fibres de polyester pour le renforcement des elastomeres". Paris, ENMP, 1987. http://www.theses.fr/1987ENMP0065.

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Analyse de l'evolution microstructurale des monofilaments de polyester 1) au cours de la fatigue par microspectrometrie laser a effet raman, diffusion rx aux petits angles et analyse viscoelastique dynamique et 2)avant sollicitation par diffusion rx aux grands angles et spectrometrie ir. Modele microstructural a 4 phases. Relation microstructures durabilite

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Ezenwafor, E. I. I. "The synthesis and properties of derivatives of 1-amino-4-hydroxy anthraquinone : The synthesis of thiolated derivatives of 1-amino-4-hydroxy anthraquinone and a study of their application, dyeing and fastness properties on synthetic-polymer fibres". Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371494.

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Musch, Janelle C. Riemersma. "Design optimization of sustainable panel systems using hybrid natural/synthetic fiber reinforced polymer composites". Diss., Connect to online resource - MSU authorized users, 2008.

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Thesis (M.S.)--Michigan State University. Dept. of Civil and Environmental Engineering, 2008.
Title from PDF t.p. (viewed on Aug. 3, 2009) Includes bibliographical references (p.129-132). Also issued in print.

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Jacobs, Nokwindla Valencia. "Optimising the polymer solutions and process parameters in the electrospinning of Chitosan". Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1010762.

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Electrospinning is a technique, which can be used to produce nanofibrous materials by introducing electrostatic fields into the polymer solution. Due to their intrinsic properties, such as small fiber diameter, small pore size and large surface area, nanofibres are suitable for use in a variety of applications including wound dressing, filtration, composites and tissue engineering. The study demonstrates the successful and optimised production of Poly(ethylene oxide) (PEO) and chitosan nanofibres by electrospinning. The biocidal effects of chitosan, chitosan-silver nanofibres and silver nanoparticles were successfully investigated. To set up a functional electrospinning apparatus, the PEO solution parameters (concentration, molecular weight, solvent, and addition of polyelectrolyte) and applied potential voltage on the structural morphology and diameter of PEO nanofibres were studied. At lower PEO concentrations, the fibres had morphology with a large variation in fibre diameter, whereas at the higher concentrations, the nanofibres exhibited ordinary morphology with uniform but larger fibre diameters. Higher molecular weight showed larger average diameters when compared to that obtained with the same polymer but of a lower molecular weight. The addition of polyelectrolyte to the polymer solution had an influence on the structural morphology of the PEO. Flow simulation studies of an electrically charged polymer solution showed that an increase in the flow rate was associated with an increase in poly(allylamine hydrochloride) (PAH) concentration for the low molecular weight polymer, the shape and size of the Taylor cone increasing with an increase in PAH concentration for the low molecular weight polymer. During optimization of the PEO nanofibres, based on statistical modelling and using the Box and Behnken factorial design, the interaction effect between PAH concentration and the tip-to-collector distance played the most significant role in obtaining uniform diameter of nanofibres, followed by the interaction between the tip-to-collector distance and the applied voltage and lastly by the applied voltage. The production and optimization of chitosan nanofibres indicated that the interactions between electric field strength and the ratio of trifluoroacetic acid (TFA) and dichloromethane (DCM), TFA/DCM solvents as well as between electric field strength and chitosan concentration had the most significant effect, followed by the concentration of chitosan in terms of producing nanofibres with uniform diameters. Chitosan and chitosan-silver nanofibres could be successfully electrospun by controlling the solution properties, such as surface tension and electrical conductivity with the silver nanoparticles in the chitosan solutions affecting the electrospinnability. The silver nanoparticles in the chitosan solution modified the morphological characteristics of the electrospun nanofibres, while the conductivity and the surface tension were elevated. The fibre diameter of the chitosan and chitosan-silver nanoparticles decreased with an increase in the silver content. The electrospun chitosan nanofibres had a smooth surface and round shape as compared to the silver-chitosan nanofibres with a distorted morphology. The chitosan and chitosan-silver nanofibres as well as the silver nanoparticles exhibited antimicrobial or inhibition activity against S. aureus than against E. coli. S. aureus bacterial culture showed good cell adhesion and spreading inwards into the chitosan nanofibrous membrane. The chitosan-silver nanofibres exhibited a greater minimum inhibitory concentration (MIC), followed by silver nanoparticles and then chitosan nanofibres; suggesting a synergistic effect between the chitosan and silver nanoparticles.

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Winderl, Johannes [Verfasser], i J. [Akademischer Betreuer] Hubbuch. "Surface Shaped Synthetic Polymer Fibers and Fiber-based Adsorbents as Stationary Phases for the Preparative Purification of Biopharmaceuticals - Packing characterization, Modeling, Screening and Application / Johannes Winderl ; Betreuer: J. Hubbuch". Karlsruhe : KIT-Bibliothek, 2021. http://d-nb.info/1227451180/34.

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Diaz, Mendoza Alvaro. "Conception of a fibrous composite material for the retention of heavy metals". Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI125.

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La contamination par les métaux lourds est un problème actuel qui affecte les écosystèmes et leurs organismes constitutifs. Ce problème a été reconnu dans le monde entier comme l'un des plus grands défis de notre époque. Depuis le milieu du siècle dernier, les innovations dans le domaine de la science des matériaux ont permis de mettre au point de nouvelles méthodes pour faire face à ce risque, avec des techniques telles que la précipitation chimique ou la flottation. Toutefois, il reste encore beaucoup à faire dans ce domaine. En outre, des recherches récentes ont exploré comment combiner des biomolécules telles que les protéines avec des matériaux tels que les polymères pour créer des solutions plus actives. Ce travail de thèse vise à créer un prototype de matériau adsorbant hybride capable de capturer spécifiquement les ions métalliques divalents Ni(II), Cd(II) et Pb(II) grâce à la présence d'une métalloprotéine synthétique dans sa structure. Pour atteindre cet objectif, le travail de thèse se concentre sur le développement d'une métalloprotéine synthétique capable de capturer spécifiquement les trois ions métalliques cibles, de la conception in silico à sa synthèse in vivo. D'autre part, le support de matériau est traité avec la technique d'électrofilage qui consiste en un matériau membranaire fibreux, étant optimisé pour accueillir la métalloprotéine synthétique dans sa structure. En outre, une méthode permettant d'intégrer la métalloprotéine dans le support polymère est recherchée. Ceci est réalisé au moyen d'une voie de greffage à travers des nanoparticules de silice modifiées en surface. À la fin, l'intégration des deux composants crée le prototype attendu de matériau biosorbant synthétique. Ce matériau a été caractérisé afin d'évaluer sa capacité à adsorber les trois ions métalliques d'intérêt, ce qui permet de dégager certaines tendances des perspectives futures de développement pour créer des matériaux plus efficaces pour l'industrie
Heavy metal contamination is a current problem which affects the ecosystems and their constituent organisms. This problem has been worldwide recognized as one of the biggest challenges of our time. Since the middle of the last century, innovations in the material science field have developed new methods to confront this risk, with techniques such as chemical precipitation or flotation. However, there is still significant room for improvement in this line. Furthermore, recent research has explored how to combine biomolecules such as proteins with materials like polymers to create more active solutions. This thesis work seeks to create a prototype hybrid biosorbent material capable to capture specifically the divalent metal ions Ni(II), Cd(II) and Pb(II) thanks to the presence of a synthetic metalloprotein in its structure. To address this objective, the thesis work focuses on the development of a synthetic metalloprotein capable to specifically capture the three target metal ions, from the in silico conception to its in vivo synthesis. On the other hand, the biosorbent material support is processed with the electrospinning technique that consists of a fibrous membrane material, being optimized to host the synthetic metalloprotein in its structure. Additionally, a method to integrate the metalloprotein into the polymeric support is researched. This is achieved by means of a grafting route through surface modified silica nanoparticles. At the end, the integration of both components creates the expected prototype synthetic biosorbent material. This material has been characterized to evaluate its capacity to adsorb the three metal ions of interest, providing some trends of the future perspectives for further development to create more efficient materials for the industry

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Książki na temat "Synthetic-polymer fibres"

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Ezenwafor, Ephraim Ifeanyi Ihechukwu. The synthesis and properties of derivatives of 1-amino-4-hydroxy anthraquinone: The synthesis ofthiolated derivatives of 1-amino-4-hydroxyanthraquinone and a study of their application, dyeing and fastness properties on synthetic-polymer fibres. Bradford, 1985.

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Al-Dawoodi, Mazin Taha Sharif. The synthesis and propertics of some 4'-phenylazo 4-aminoazobenzenes: The synthesis of disazo dispersedyes from 4'-phenylazo-4-aminoazobenzene and an evaluation of substituent effects on the colour, dyeing and fastness properties of the dyes on synthetic-polymer fibres. Bradford, 1985.

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Ramakrishna, Seeram, Behnam Pourdeyhimi i Alexander L. Yarin. Fundamentals and Applications of Micro- and Nanofibers. Cambridge University Press, 2014.

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Ramakrishna, Seeram, Behnam Pourdeyhimi i Alexander L. Yarin. Fundamentals and Applications of Micro- and Nanofibers. University of Cambridge ESOL Examinations, 2014.

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Fundamentals And Applications Of Micro And Nanofibers. Cambridge University Press, 2014.

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Części książek na temat "Synthetic-polymer fibres"

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Ferry, John D. "Structure and Rheology of Fibrin Networks". W Biological and Synthetic Polymer Networks, 41–55. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1343-1_2.

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Mortensen, Kell, Rogert Bauer i Ulf Larsson. "Fibrinogen and Fibrin Studied by Small-Angle Neutron Scattering". W Biological and Synthetic Polymer Networks, 79–85. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1343-1_4.

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Spruiell, J. E. "Structure and Property Development During the Melt Spinning of Synthetic Fibres". W Structure Development During Polymer Processing, 195–220. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4138-3_9.

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Young, Robert J., i Steve J. Eichhorn. "Raman Applications in Synthetic and Natural Polymer Fibers and Their Composites". W Raman Spectroscopy for Soft Matter Applications, 63–94. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470475997.ch4.

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Cabello-Alvarado, Christian Javier, Marlene Lariza Andrade-Guel, Diana Iris Medellín-Banda, Leticia Melo-Lopez i Carlos Alberto Ávila-Orta. "Polymer Composites: Smart Synthetic Fibers Approach in Energy and Environmental Care". W Handbook of Nanomaterials and Nanocomposites for Energy and Environmental Applications, 3637–61. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-36268-3_146.

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Cabello-Alvarado, Christian Javier, Marlene Lariza Andrade-Guel, Diana Iris Medellín-Banda, Leticia Melo-Lopez i Carlos Alberto Ávila-Orta. "Polymer Composites: Smart Synthetic Fibers Approach in Energy and Environmental Care". W Handbook of Nanomaterials and Nanocomposites for Energy and Environmental Applications, 1–26. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-11155-7_146-1.

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Gerald Daniel*, Christian, Xueyan Liu, Panos Apostolidis, S. M. J. G. Erkens i A. Scarpas. "Low-temperature fracture behaviour of synthetic polymer-fibre reinforced warm mix asphalt". W Green and Intelligent Technologies for Sustainable and Smart Asphalt Pavements, 358–62. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003251125-57.

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Das, Sunanda. "Commercial Applications of Synthetic Fibres". W Materials Science: A Field of Diverse Industrial Applications, 63–94. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815051247123010006.

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Man-made fibres are produced from chemical substances known as synthetic fibres. Synthetic fibre or a synthetic polymer made from molecules of monomer joined together to form long chains, is also known as an artificial fibre. Besides polymerbased synthetic fibres, other types of fibres that have special commercial applications and importance. These include the fibers made of carbon, glass,metal and ceramics. Polymer-based synthetic fibres are produced by various processes such as melt spinning, dry spinning and wet spinning.The melt spinning technique is used to produce polymers such as polyethene, polyetheneterephthalate, cellulose triacetate, polyvinyl chloride, nylon, etc. Cellulose acetate, cellulose triacetate, acrylic, modacrylic, polyvinyl chloride and aromatic nylon are artificial fibres manufactured by dry-spinning. In contrast, the wet spinning process is used for aromatic nylon, polyvinyl chloride fibres, acrylic, modacrylic and viscose rayon from regenerated cellulose.The importance and usefulness of synthetic fibres are because they have enhanced properties compared to natural fibres, which come from plants or animals. Still, each type is valued for different reasons.

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"Synthetic Fibres". W The Chemistry of Textile Fibres, 144–225. Wyd. 2. The Royal Society of Chemistry, 2015. http://dx.doi.org/10.1039/9781782620235-00144.

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Synthetic fibres are produced from chemicals derived from oil. This industry really became established in the late 1930s, with the commercialisation of nylon, followed in the early 1950s by polyester and then the acrylics. There is a wide range of synthetic fibres in common use, from garment manufacture to industrial uses, such as specialised components for cars (tyres, fan belts, flexible hoses) to ropes, conveyor belts, and geotextile structures. The chemistry of the formation and the chemical properties of the most important classes of synthetic fibres are discussed. These include the polyamides, polyesters, acrylics, polyolefins and polyurethanes types. The chapter also indicates the main areas of applications of the various fibres types, with reasons for their suitability in that application. Reference is made to the trend towards the synthesis of monomers, used for polymer formation, from renewable resources.

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"Other Speciality Fibres". W The Chemistry of Textile Fibres, 260–314. Wyd. 2. The Royal Society of Chemistry, 2015. http://dx.doi.org/10.1039/9781782620235-00260.

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In addition to polymers produced for the manufacture of high-performance fibres, there are also fibres produced for other speciality purposes, and four fibre types are the subject of this chapter. The first fibre type to be discussed under this heading is nanofibres, characterised by their very small diameters, in comparison to ‘conventional’ fibres. Nanofibres can be produced from a wide range of polymer types, from the traditional synthetic fibres such as polyester and polyamide, to naturally occurring polymers such as cellulose. The methods for making nanofibres are described, and indications given of the types of uses to which they are being put is given. The second type of fibre discussed is the electrically conducting type. The methods available for making fibres that will conduct electricity are described. The third type is optical fibres and whilst glass fibre is an obvious example, it is by no means the only one, with organic polymer optical fibres also becoming increasingly important. The physics, as well as the chemistry of the construction of optical fibres is discussed. Finally, the chemistry of biodegradable fibres, in which there is increasing commercial interest, for example in hand towels, sutures and tissue engineering, is described.

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Streszczenia konferencji na temat "Synthetic-polymer fibres"

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Jena, Dayanidhi, Alok Kumar Das i Ramesh Chandra Mohaoatra. "An Investigation on Orthogonal Machining of a Hybrid Polymer Composites Reinforced with Particulate Natural and Synthetic Fibres: A Soft Computing Approach". W 2020 International Conference on Computational Intelligence for Smart Power System and Sustainable Energy (CISPSSE). IEEE, 2020. http://dx.doi.org/10.1109/cispsse49931.2020.9212282.

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THANKI, NIDHI M., ABIGAIL HENDERSON, JOE FEHRENBACH, CHAD ULVEN i ALI AMIRI. "ANALYZING THE MECHANICAL PROPERTIES OF THERMOPLASTIC REINFORCED WITH NATURAL FIBERS". W Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35904.

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Synthetic fibers such as glass, carbon, etc., are used as reinforcement in polymer composites due to their high strength and modulus. However, synthetic fibers contribute to high costs and have a significant environmental impact. To overcome this challenge, various natural fibers, including banana, kenaf, coir, bamboo, hemp, and sisal fiber, as reinforced in a polymer matrix are investigated for mechanical properties. In this study, biocomposites with natural fibers as reinforced are developed and characterized. Treated and untreated natural fibers such as flax, maple, and pine as reinforced in thermoplastic, in this study, polypropylene (PP), are investigated for the mechanical properties, including tensile, flexural, and impact test. Mechanical test results exhibited that adding the natural fibers enhanced the tensile, flexural, and impact properties. It can be inferred that these biocomposites can be used as potential materials for the automobile industry.

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Menezes, Pradeep L., Pradeep K. Rohatgi i Michael R. Lovell. "Tribology of Natural Fiber Reinforced Polymer Composites". W ASME/STLE 2011 International Joint Tribology Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ijtc2011-61221.

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In recent years, significant academic and industrial research and development has explored novel methods of creating green and environmentally friendly materials for commercial applications. Natural fibers offer the potential to develop lower cost products with better performance, sustainability, and renewability characteristics than traditional materials, particularly in the automotive industry. In this respect, natural fiber reinforced polymer composites have emerged as an environmentally friendly and cost-effective option to synthetic fiber reinforced composites. Hence, in this study, a review of the tribological behavior of natural fiber reinforced polymer composites has been undertaken to better understand their usability for various automotive applications.

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LILLI, MATTEO, MILAN ZVONEK, VLADIMIR CECH, CHRISTINA SCHEFFLER, JACOPO TIRILLÒ i FABRIZIO SARASINI. "PLASMA POLYMERIZATION ON UNSIZED BASALT FIBRES FOR IMPROVING THE INTERFACIAL STRENGTH WITH POLYMER MATRICES". W Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35903.

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Basalt fibres are becoming a promising alternative to synthetic fibres as a green reinforcement phase in polymeric matrix composites, showing excellent mechanical, chemical and thermal properties. In this work we synthetized tetravinylsilane (TVS) or a mixture formed by tetravinylsilane and different percentages of oxygen on the surface of unsized basalt fibres through the Plasma-Enhanced Chemical Vapor Deposition (PECVD) technique for improving the fibre/matrix adhesion. Single fibre tensile test proved the effectiveness of the process, without any degradation of the mechanical properties of modified basalt fibres. Finally, through pull out tests, the interfacial properties of basalt fibres were studied, measuring increases up to 80% of the IFSS for modified fibres compared to neat fibres. This result is the consequence of a greater chemical compatibility between the fibres and the matrix, thanks to the presence of a higher number of Si-O-C groups, and of a mechanical interlocking effect promoted by the increased surface roughness of the plasma-modified fibres.

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LANGHORST, AMY, ANSHUL SINGHAL, DEBORAH MIELEWSKI, MIHAELA BANU i ALAN TAUB. "NANOPARTICLE MODIFICATION OF NATURAL FIBERS FOR STRUCTURAL COMPOSITES". W Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35868.

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Natural fibers are a lightweight, carbon negative alternative to synthetic reinforcing agents in polymer composites. However, natural fibers typically exhibit lower mechanical performance than glass fibers due to weak interfacial adhesion between plant cells in the fiber and damage to the fibers during extraction from a plant stem. However, improvement of natural fiber mechanical performance could enable their wide-scale incorporation in structural composite applications, significantly reducing composite weight and carbon footprint. This study seeks to develop a novel, cost-effective method to significantly improve natural fiber stiffness via repair of damage caused by extraction and/ or stiffening of the weak cellular interfaces within a natural fiber. Supercritical fluids have been shown to be capable of swelling and plasticizing amorphous polymers, increasing additive absorption. In this work. supercritical-carbon dioxide (scCO2) was used as a solvent to assist with infusion of nanoparticles into flax fibers at pressures ranging from 1200-4000psi. Fiber analysis with Plasma Focused Ion Beam-Scanning Electron Microscopy (PFIB-SEM) showed that nanoparticles were capable of penetrating and bridging openings between cells, suggesting the ability for nanoparticle treatment to assist with crack repair. Additionally, treated fibers contained uniform surface coatings of nanoparticles, potentially reducing fiber porosity and modifying interfacial properties when embedded in a polymer matrix. Overall, this method of nanoparticle reinforcement of natural fibers could enable development of high-performance lightweight, low-carbon footprint composites for transportation or industrial applications.

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LANGHORST,, AMY, ELISA HARRISON, ANSHUL SINGHAL, MIHAELA BANU i ALAN TAUB. "REINFORCEMENT OF NATURAL FIBERS VIA SUPERCRITICAL FLUID INFILTRATION OF NANOPARTICLES". W Proceedings for the American Society for Composites-Thirty Seventh Technical Conference. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/asc37/36411.

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In recent years, consumer products have been increasingly utilizing sustainable materials to attempt to reduce the product’s carbon footprint. For example, the automotive industry has incorporated a variety of natural fiber polymer composites on vehicles in the last 20 years, including wheat straw in the Ford Flex and flax fibers on the Polestar Precept and the Porsche Cayman GT4 Clubsport. However, natural fibers exhibit lower strength and stiffness in comparison to synthetic reinforcing agents, such as glass fiber. In this work, the authors are developing a technique to improve the mechanical performance of flax fibers for use in structural composites. Supercritical fluids, including supercritical-carbon dioxide (scCO2), have been shown to swell and plasticize amorphous polymers, resulting in increased mass transport and absorption of additives. The weak intercellular region within flax fibers, commonly called the middle lamella, consists mainly of amorphous pectin. In this work, the authors hypothesize that scCO2 could be used to swell amorphous polymers in a fiber’s structure (e.g. pectin) and enable reinforcement with nanoparticles, resulting in fiber performance enhancement. Pectin films were created for proof-of-concept experiments and treated with scCO2 at pressures ranging from 1200-4000psi in the presence of titanium dioxide nanoparticles (TiO2). TiO2 nanoparticles were shown to be able to enter pectin films upon treatment with scCO2 for 24 hours. The same treatment process was used on dew retted, mechanically extracted flax fibers and after treatment for 24 hours, the average tensile strength of the fibers was improved by over 40%. Overall, this method of incorporation of nanoparticles within natural fibers could enable development of low-density, low-carbon footprint polymeric composites for use in structural industrial applications.

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Petrach, Elaine, Xia Wang i Ismat Abu-Isa. "Optimization of Conductive Fillers of a Composite Material for PEM Fuel Cell Bipolar Plates". W ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/fuelcell2008-65097.

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Bipolar plates are necessary components in the current design of polymer electrolyte membrane (PEM) fuel cell stacks. The traditional materials used for bipolar plates are graphite and metal. In this investigation an elastomeric material with different types of conductive fillers is developed to avoid the high machining or coating costs associated with the traditional materials. The conductive fillers investigated here include Cytec thermal graphite fibers, Asbury Carbons PAN AGM 99 fiber, synthetic graphite (4012), natural flake (3763), surface enhanced flake (3775), and different grades of graphite powder (TC 301–305). Some of these conductive fillers were implemented in a two component silicone slurry matrix (RTV 627 by GE) to make a composite material. A bulk electrical resistivity of 0.0310 Ω-cm was achieved for the composite containing 28% by volume DKD fiber and 7% synthetic graphite (Asbury 4012) mixed in the elastomeric matrix.

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Dikici, Birce, Samarth Motagi, Prahruth Kantamani, Suma Ayyagari, Gustavo Villarroel i Marwan Al-Haik. "Processing of Agricultural Biomass for Producing Reinforced Polymer Composites". W ASME 2019 Power Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/power2019-1873.

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Abstract Fast growing plants or biomass wastes can be used as affordable and environmentally sustainable alternatives to synthetic insulation materials. The aim of this study was to investigate the mechanical properties (tensile strength and Young’s modulus) of natural fiber reinforced polymer composites as potential building materials. As a natural fiber, Bermuda grass seeds, conifer cones and pinecones are selected. The fundamental processes to develop nanofiber reinforced resin by processing agricultural waste fibers into nanocellulose is also investigated. Tensile tests are conducted to define stress/strain relationship. SEM tests are conducted to evaluate the surface topologies after fracture. The tensile fracture surfaces of composites were investigated. With the addition of Bermuda fibers, the stiffness of the vinyl ester sample was observed to increase by 624.2% compared to neat vinyl ester sample. With the addition of nanocellulose fibers, the stiffness of the composite was observed to increase by 53.3% compared to neat vinyl ester sample.

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Imoisili, Patrick, Emeka Nwanna, George Enebe i Tien-Chien Jen. "Investigation of the Acoustic Performance of Plantain (Musa Paradisiacal) Fibre Reinforced Epoxy Biocomposite". W ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-94773.

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Abstract Sound is produced by the fluctuation of oscillation waves caused by variations in pressure in a medium containing various frequency ranges, which can be detected by either an animal or a human auditory apparatus and then transferred to the brain for analysis. Noise can be diminished and controlled by using absorptive materials. This is necessary because noise has a negative effect on public health, sharing of knowledge, and serenity, and it is getting worse every day as a result of urbanization and increased affiliated functions. Utilization of natural and synthetic reinforced polymer composites in noise pollution control is an emerging area of research. Natural fibers could potentially replace synthetic fibre reinforced composites due to their low impact on human health and environmental friendliness, according to research. Though academics have been excited about studying their mechanical features, little attention has been paid to quantifying their sound reduction behaviours. Natural fibers, when interacting with a variety of sound frequency and intensity, the varied structures of sound absorbing materials, such as porous structure, hollow structure, multi-dimensional size and length structure, or solid composite materials, having their own distinctive sound absorbing capabilities. This study aims to develop and examine the void content, impact, hardness and acoustic properties of a natural fibre reinforced biocomposites. Natural fibre was extracted from plantain (Musa paradisiacal) fibre (PF), using the water retting method. Extracted fibre wasd used to prepare a fibre reinforced biocomposite using an epoxy resin as the matrix. Biocomposite with 5, 10, 15 and 20 (Wt. %) PF content were fabricated. Impact, hardness and void content analysis was conducted on prepared biocomposite in triplicate. Surface morphology of the fracture surface of prepared biocomposite was examine using a scanning electron microscope (SEM). Porosity and sound absorption coefficient properties of the fibre reinforced biocomposite were also investigated. Test analysis shows that impact, hardness and void content of the biocomposite, increases as PF content increases. Maximum hardness and impact strength were observed at 15 (w %). SEM analysis, shows the existence of cavities on the fracture surface, together with rough fibre surfaces that easily trap air, and this feature tends to boost the biocomposite’s sound absorption qualities.The sound absorption coefficient shows improvement as fibre volume increases in the bio composite. Results suggest that of PF reinforced biocomposites could be less costly, feasible and ecologically superior alternatives to synthetic fibre composites for acoustic applications in areas like building architecture and automotive industries.

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Sangamesh, K. S. Ravishankar i S. M. Kulkarni. "Impact analysis of natural fiber and synthetic fiber reinforced polymer composite". W 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5033147.

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Raporty organizacyjne na temat "Synthetic-polymer fibres"

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Muelaner, Jody Emlyn. Recyclability and Embodied Energy of Advanced Polymer Matrix Composites. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, sierpień 2023. http://dx.doi.org/10.4271/epr2023018.

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<div class="section abstract"><div class="htmlview paragraph">Recycling of advanced composites made from carbon fibers in epoxy resins is essential for two primary reasons. First, the energy necessary to produce carbon fibers is very high and therefore reusing these fibers could greatly reduce the lifecycle energy of components which use them. Second, if the material is allowed to break down in the environment, it will contribute to the growing presence of microplastics and other synthetic pollutants.</div><div class="htmlview paragraph"><b>Recyclability and Embodied Energy of Advanced Polymer Matrix Composites</b> discusses current recycling and disposal disposal methods—which typically do not aim for full circularity, but rather successive downcycling—and addresses the major challenge of aligning fibers into unidirectional tows of real value in high-performance composites.</div><div class="htmlview paragraph"><a href="https://www.sae.org/publications/edge-research-reports" target="_blank">Click here to access the full SAE EDGE</a><sup>TM</sup><a href="https://www.sae.org/publications/edge-research-reports" target="_blank"> Research Report portfolio.</a></div></div>

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