Bibliographies thématiques / BIO-FILLER COMPOSITE

Littérature scientifique sur le sujet « BIO-FILLER COMPOSITE »

Auteur : Grafiati
Publié le 11 septembre 2023

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Articles de revues sur le sujet "BIO-FILLER COMPOSITE"

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Jayaraman, R., R. Girimurugan, V. Suresh, C. Shilaja et S. Mayakannan. « Improvement on Tensile Properties of Epoxy Resin Matrix Sugarcane Fiber and Tamarind Seed Powder Reinforced Hybrid Bio-Composites ». ECS Transactions 107, no 1 (24 avril 2022) : 7265–72. http://dx.doi.org/10.1149/10701.7265ecst.

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Nowadays, hybrid bio-composites are being developed by combining different natural resources as reinforcement and filler components, and this has raised their necessary qualities dramatically. Sugarcane fibre and tamarind seed powder particles added to an epoxy resin matrix to test the material's tensile strength were the focus of this study. A reinforcing material is sugarcane fibre, while filler components include tamarind seed powder particles. Different reinforcement and filler materials were used to make hybrid bio-composite specimens, while the epoxy resin weight percentage was maintained constant. Utilizing the hot press compression moulding technology, hybrid bio-composite boards were manufactured from start to finish. Water jet machining is used to remove hybrid bio-composite specimens for compression tests in accordance with ASTM standards from the hybrid bio-composite boards. It has been shown in experiments, for example, that adding tamarind seed powder particles to a sugarcane fiber/epoxy resin matrix considerably increases the hybrid bio-composites' tensile characteristics.
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Nassar, Mahmoud M. A., Belal J. Abu Tarboush, Khalid I. Alzebdeh, Nasr Al-Hinai et Tasneem Pervez. « New Synthesis Routes toward Improvement of Natural Filler/Synthetic Polymer Interfacial Crosslinking ». Polymers 14, no 3 (7 février 2022) : 629. http://dx.doi.org/10.3390/polym14030629.

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Among the critical issues dictating bio-composite performance is the interfacial bonding between the natural fibers and polymer matrix. In this regard, this article presents new synthesis routes comprising the treatment and functionalization of both date palm powder (DPP) filler and a polypropylene (PP) matrix to enhance filler–polymer adhesion in the newly developed bio-composites. Specifically, four bio-composite forms are considered: untreated DPP filled PP (DPP-UT/PP), treated DPP filled PP (DPP-T/PP), treated DPP filled functionalized PP using 2-isocyanatoethyl methacrylate (DPP-T/PP-g-IEM), and treated and functionalized DPP using 4-toluenesulfonyl chloride filled functionalized PP using 2-acrylamide ((DPP-T)-g-TsCl/PP-g-AcAm). The functional groups created on the surface of synthesized PP-g-IEM react with activated hydroxyl groups attached to the filler, resulting in chemical crosslinking between both components. Similarly, the reaction of TsCl with NH2 chemical groups residing on the mating surfaces of the filler and polymer generates an amide bond in the interface region. Fourier transform infrared spectroscopy (FTIR) is used to confirm the successful coupling between the filler and polypropylene matrix after applying the treatment and functionalization schemes. Owing to the introduced crosslinking, the DPP-T/PP-g-IEM bio-composite exhibits the best mechanical properties as compared to the neat polymer, unfunctionalized polymer-based bio-composite, and (DPP-T)-g-TsCl/PP-g-AcAm counterpart. The applied compatibilizers assist in reducing the water uptake of the manufactured bio-composites, increasing their durability.
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Stevulova, Nadezda, et Jozef Junak. « Green Building Materials Based on Waste Filler and Binder ». Civil and Environmental Engineering 17, no 2 (1 décembre 2021) : 542–48. http://dx.doi.org/10.2478/cee-2021-0055.

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Abstract This study is aimed at the application of alternative binder (AB) into bio-aggregate-based composite. The technically important parameters (density, thermal conductivity, water absorption and compressive strength) of 28, 60 and 90 days hardened green composites containing chemically and physico-chemically modified hemp hurds (HH) with AB compared to the Portland cement (PC) are presented. Testing of two reference bio-composites with original HH confirmed higher values of compressive strength and thermal conductivity unlike water absorption for all hardened specimens based on alternative binder (MgO-cement) compared to conventional PC. Changes in the final properties of hardened bio-composites were affected by treatment process of organic filler and alkaline nature of MgO-cement. The combination of purified HH by ultrasound treatment and AB appears to be promising for preparation of bio-based composite material with better properties compared to PC. In this paper, other option of the preparation of bio-composite system based on original (non-treated) filler and binder consisting of optimal activated MgO and silica fume is presented.
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Jena, Hemalata, et Abinash Panigrahi. « The effect of clam shell powder on kinetics of water absorption of jute epoxy composite ». World Journal of Engineering 18, no 5 (4 février 2021) : 684–91. http://dx.doi.org/10.1108/wje-08-2020-0334.

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Purpose Here, attempts have been made to explore the possible use of Marine waste as filler materials into the bio-fibre composites. Clam shell is a type of marine waste which belongs to the class of Bivalvia. It is mainly made of aragonite crystalline polymorphs. This paper aims to develop a new class of natural fibre composite in which jute fibre as reinforcement, epoxy as matrix and clam shell, as particulate microsphere filler. The study investigates the effects of different amounts of clam shell powder on the kinetics of water absorption of jute fibre-reinforced epoxy composite. Two different environmental conditions at room temperature, i.e. distilled water and seawater, are collected for this purpose. Moisture absorption reduces when clam shell is added to the jute-epoxy composite. The curve of water absorption of jute-epoxy composites with filler loading at both environmental conditions follows as Fickian behaviour. Design/methodology/approach Hand lay-up technique to fabricate the composite – Experimental observation Findings The incorporation of Clam shell filler in jute epoxy composite modified the water absorption property of the composite. Hence the present marine waste is an potential filler in jute fibre reinforced polymer composite. Originality/value The paper demonstrates a new class hybrid composite material which uses a marine waste as important phase in the bio-fibre-reinforced composite. It is a new work submitted for original research paper.
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Shaik, Shameem Akthar, Jens Schuster, Yousuf Pasha Shaik et Monis Kazmi. « Manufacturing of Biocomposites for Domestic Applications Using Bio-Based Filler Materials ». Journal of Composites Science 6, no 3 (2 mars 2022) : 78. http://dx.doi.org/10.3390/jcs6030078.

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Filler materials are considered added value (volume) to composite materials. The addition of filler materials leads to altering the material characteristics. Nowadays, there has been a notable increase in bio-based materials in polymers and polymer composites. In this regard, agricultural wastes (low-cost renewable substrates) are used as filler content to prepare bioplastic composites, as they are available plenty in quantity and economical in price. Bioplastics composite samples are compounded by adding different amounts of eggshell powder and walnut shell powder in weight proportion to the plasticized PLA. The plasticization is realized with 5 wt.% of Epoxidized Soybean Oil. The prepared bioplastic granules are further processed by injection molding to dog bone-shaped samples subjected to different mechanical, thermal, and optical microscopy tests. Mechanical tests such as Tensile, Charpy Impact, and Flexural tests yielded decreased properties compared to virgin PLA. However, the properties of plasticized PLA–ES composite showed better results than plasticized PLA–WS composite.
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Nayak, Suhas Yeshwant, Srinivas Shenoy Heckadka, Anil Baby, Rashmi Samant et K. Rajath Shenoy. « Influence of bio-filler on the mechanical properties of glass/nylon fibre reinforced epoxy based hybrid composites ». Journal of Computational Methods in Sciences and Engineering 21, no 3 (2 août 2021) : 631–39. http://dx.doi.org/10.3233/jcm-200048.

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Studies on bio-fillers addition to polymer composites is gaining momentum as it is an effective substitute for core reinforcements, leading to cost reduction in manufacturing composites and enhanced composite performance. The present study utilizes plain E-glass and nylon fibre woven mats as reinforcements with treated broiler egg shell as a filler for developing the composites. Composite laminates were fabricated with varying filler contents. Composites were characterized for tensile, flexural and impact strength. Scanning electron microscopy was carried out to observe the fibre matrix interactions. Results showed a decline in tensile and flexural properties mainly due to weak interfacial bonding while an improvement in resistance to impact loading was observed in Glass Fibre (GF), Nylon Fibre(NF) and Hybrid Composites (HC) with the addition of filler material.
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Murugan, Giri, Ganesh Babu Loganathan, G. Sivaraman, C. Shilaja et S. Mayakannan. « Compressive Behavior of Tamarind Shell Powder and Fine Granite Particles Reinforced Epoxy Matrix Based Hybrid Bio-Composites ». ECS Transactions 107, no 1 (24 avril 2022) : 7111–18. http://dx.doi.org/10.1149/10701.7111ecst.

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Nowadays, hybrid bio-composites are being developed by combining different natural resources as reinforcement and filler components, and this has raised their necessary qualities dramatically. An epoxy resin matrix for compressive qualities was tested experimentally with the inclusion of fine granite powder and tamarind shell powder particles. As reinforcement materials, fine granite powder and tamarind shell powder are employed. Specimens of hybrid bio-composite were created by altering the reinforcement material weight % while maintaining the epoxy resin weight percentage the same. Utilizing a compression moulding process, composite boards made of hybrid biomaterials were created. Water jet machining is used to remove hybrid bio-composite specimens for compression tests in accordance with ASTM standards from the hybrid bio-composite boards. When fine granite and tamarind shell powder particles are added to the epoxy resin matrix, experimental results show that compressive characteristics of the hybrid bio-composites are greatly improved.
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Rahman, Wan Aizan Wan Abd, N. M. Isa, A. R. Rahmat, N. Adenan et R. R. Ali. « Rice Husk/High Density Polyethylene Bio-Composite : Effect of Rice Husk Filler Size and Composition on Injection Molding Processability with Respect to Impact Property ». Advanced Materials Research 83-86 (décembre 2009) : 367–74. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.367.

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The compounding of rice husk and high density polyethylene (HDPE) was undertaken on a Sino PSM 30 co-rotating twin screw extruder. Four sizes of rice husk were studied at various compositions. The size ranged from 500 μm and below (coded A, B, C and D) while the content of rice husk in the composite varies from 30, 40 and 50 percent of weight. A fixed amount of Ultra-Plast TP10 as a compatibilizer and Ultra-Plast TP 01 as lubricant, were added into the bio-composite compound. The injection molding process ability of the bio-composite was studied through flow behavior on melt flow indexer and analyzed on JSW N100 B11 Injection Molding. Size A which has the largest particle is the most appropriate size as the bio-composite filler based on thermal stability test. The melt flow rate of rice husk/HDPE (RHPE) decreases with the increased in rice husk compositions and apparent viscosity also increases with composition for all filler size. Melt flow rate above 4g/10 min was found to be the lower limit for injection molding process. The smaller the filler size, the lower is the impact strength and the increased in the filler composition lowers the impact strength. A bio-composite at 30 weight percent rice husk size A (RH30PEA) was found to have optimum rheological properties with respect to impact strength.
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Senthil Kumar, M., G. Sakthivel, R. Jagadeeshwaran, J. Lakshmipathi, M. Vanmathi, T. Mohanraj et Yesgat Admassu. « Development of Eco-Sustainable Silica-Reinforced Natural Hybrid Polymer Composites for Automotive Applications ». Advances in Materials Science and Engineering 2022 (21 décembre 2022) : 1–9. http://dx.doi.org/10.1155/2022/5924457.

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The increasing demand for eco-friendly materials and technology has made the industry focus on bio-compatible composites. This made the researchers explore the potential of eco-friendly, bio-degradable, and inexpensive banana fibre for automotive applications. This work reports the preparation and testing of banana fibre natural hybrid composite fibres randomly oriented with and without adding silica filler (5–15 wt.%) through a hand lay-up process. The mechanical properties such as tensile modulus, flexural modulus, hardness, impact strength, and water absorption capacity were measured. Composite specimens having a fibre length of 30 mm (15 wt.% of silica) exhibited better mechanical properties. The hardness, tensile, flexural, and impact strength measured were 46.74 HV, 54.71 MPa, 127.94 MPa, and 15.19 kJ/m2. The results showed significant improvement in mechanical properties in silica-reinforced hybrid composite compared to composites without silica filler. The wt.% of banana fibre increases, and the number of free hydroxyls (-OH) groups increases in cellulose, increasing moisture absorption. The pattern in which the composite absorbs the moisture at room temperature is called “Fickian behaviour.” Furthermore, scanning electron microscope (SEM) characterisation studied the interaction between fibre matrix and the distribution of silica reinforcement. This research concludes that bio-composites that exhibit improved mechanical properties are eco-friendly and are found to be suitable for automotive applications that meet present-day requirements.
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Owuamanam, Stephen, Majid Soleimani et Duncan E. Cree. « Fabrication and Characterization of Bio-Epoxy Eggshell Composites ». Applied Mechanics 2, no 4 (29 septembre 2021) : 694–713. http://dx.doi.org/10.3390/applmech2040040.

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In this study, an innovative composite was fabricated in which the matrix is partially derived from natural sources and the filler from undervalued eggshell waste material. The effect of coating eggshells and mineral limestone with 2 wt.% stearic acid on the mechanical properties of a bio-epoxy matrix was investigated. Eggshells and limestone (untreated and stearic acid-treated) fillers were added to the bio-epoxy matrix in quantities of 5, 10, and 20 wt.% loadings using a solution mixing technique. The CaCO3 content in eggshells was confirmed to be 88 wt.%, and the crystalline phase was found to be calcite. The stearic acid coating did not show any decrease in crystallinity of the fillers. Scanning electron microscopy (SEM) displayed changes in the fractured surfaces, which infers the fillers altered the bio-epoxy polymer. The mechanical property results showed enhancements in the composite tensile modulus and flexural modulus compared to the pure bio-epoxy, as expected. In contrast, despite the improvement in the tensile and flexural strengths of the stearic acid-treated fillers, the composite strength values were not higher than those of the unfilled bio-epoxy matrix. The energy absorbed by all composites in Charpy impact tests fell below that of the pure bio-epoxy and decreased with an increase in filler content for both untreated and stearic acid-treated fillers tested at 23 and −40 °C. Statistical analysis of the results was conducted using Statistical Analysis Software (SAS) with ranking based on Tukey’s method. The study identified that the addition of 5, 10, and 20 wt.% in a bio-epoxy matrix may be acceptable provided the end product requires lower tensile and flexural load requirements than those of the pure bio-epoxy. However, filler loadings below 5 wt.% would be a better choice.
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Thèses sur le sujet "BIO-FILLER COMPOSITE"

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Bashir, Abdala A. « Bio-based Resins and Fillers for Use in Thermosetting Composites ». University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1574463236644168.

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FRIGERIO, PAOLA. « Biopolymers in elastomers : lignins as biofiller for tyre compound ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49989.

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Lignocellulosic biomass is a natural complex composite of cellulose, hemicellulose, lignin, ashes and other soluble substances called extractives. The significant difficulties related to the separation of lignin-carbohydrates complexes are the major obstacle to overcome for lignocellulosic biomass utilization. In order to free the locked polysaccharides in cellulose, a number of lignocellulose pretreatment technologies is under intensive investigations, such as steam explosion, organosolv process, chemical treatment with acids or bases (ammonia, NaOH) and ionic liquid pretreatment. The relevance of lignocellulosic biorefinery relies not only on the recovery of carbohydrates, but also on the added value of lignin which is the second most abundant natural polymer, exceeded only by cellulose and hemicellulose. Lignin’s structure is determined by its botanical origin and the adopted isolation process. Depending on the plant source, lignins can be divided into three classes: hardwood (angiosperm), softwood (gymnosperm) and annual plant (graminaceous); on the other hand, according to the isolation process, lignins can be divided into two groups: lignin from sulfite process and sulfur free lignin. The latter is receiving increasing attentions because it offers a greater versatility than the former and it can be heat-processed avoiding the irritating odor-release commonly associated with commercial kraft lignin. In addition to cost advantages, annual renewability and huge availability are factors that could promote the use of sulfur-free lignin. Lignin’s structure contains a variety of chemical functional groups that affect its reactivity making it able to meet the needs of industry. It’s worth noting that lignin can be used for several industrial applications owing to its surface-active properties. It has also been applied as a filler in many elastomers (butadienestyrene- butadiene, isoprene-styrene-butadiene; styrenebutadiene) or in natural rubber. Moreover, lignin has shown a high antioxidant efficiency both as it is and in combination with commercial antioxidants. The main purpose of my doctorate has been testing sulfur free lignins (obtained from herbaceous plants as by-products of steam explosion and soda pulping processes) as fillers in rubber compounds in order to evaluate their reinforcement ability and their use as a partial replacement of carbon black. The objective is to realize lighter tyres characterized by a low rolling resistance and a reduced amount of material derived from no renewable sources. Lignin has some disadvantages that make its application as a rubber-reinforcing filler difficult, such as large particle size, strong polar surface and high tendency of its particles to link together by intermolecular hydrogen bonding arranging agglomerates. To improve the interaction between filler and elastomer, two strategies have been adopted: the chemical modification of lignin and the reduction of the size of its particles. Concerning the chemical modification, lignin can be functionalized by way of esterification, etherification, reaction with coupling agents (silane) and with hexamethylenetetramine (HMT), so that also its dispersion in the elastomer is improved. Instead, spray drying and the co-precipitation of latex with lignin have proved to be effective in reducing the particles’s size. All the products obtained have been characterized by IR, 31P NMR, GPC and microscope analysis and tested in rubber compounds as it is or as partial replacement of carbon black.
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Chapitres de livres sur le sujet "BIO-FILLER COMPOSITE"

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Cakmak, Hulya, et Ece Sogut. « Functional Biobased Composite Polymers for Food Packaging Applications ». Dans Reactive and Functional Polymers Volume One, 95–136. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43403-8_6.

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AbstractBiobased polymers are of great interest due to the release of tension on non-renewable petroleum-based polymers for environmental concerns. However, biobased polymers usually have poor mechanical and barrier properties when used as the main component of coatings and films, but they can be improved by adding nanoscale reinforcing agents (nanoparticles - NPs or fillers), thus forming nanocomposites. The nano-sized components have a larger surface area that favors the filler-matrix interactions and the resulting material yield. For example, natural fibers from renewable plants could be used to improve the mechanical strength of the biobased composites. In addition to the mechanical properties, the optical, thermal and barrier properties are mainly effective on the selection of type or the ratio of biobased components. Biobased nanocomposites are one of the best alternatives to conventional polymer composites due to their low density, transparency, better surface properties and biodegradability, even with low filler contents. In addition, these biomaterials are also incorporated into composite films as nano-sized bio-fillers for the reinforcement or as carriers of some bioactive compounds. Therefore, nanostructures may provide antimicrobial properties, oxygen scavenging ability, enzyme immobilization or act as a temperature or oxygen sensor. The promising result of biobased functional polymer nanocomposites is shelf life extension of foods, and continuous improvements will face the future challenges. This chapter will focus on biobased materials used in nanocomposite polymers with their functional properties for food packaging applications.
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Zakaria, Azriena Nathasa, et Tasnim Firdaus Ariff. « Mechanical and Structural Properties of Epoxy Bio-Composite Using Fish Bones as Bio-Filler ». Dans Proceeding of 5th International Conference on Advances in Manufacturing and Materials Engineering, 525–32. Singapore : Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9509-5_69.

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Rajbanul Akhond, MD, et Ahmed Sharif. « Functionality Based Design of Sustainable Bio-Composite ». Dans Biocomposites [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97068.

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Bio-composites have diverse functional demands for many structural, electrical, electronic, and medical applications. An expansion of the composite functionality is achieved by manipulating the material and design scheme. Smart selection of matrix-reinforcement combinations will lead to applications that have never even been considered. Research holds a huge potential to create a wide variety of usable materials by mixing different fillers and modifying the parameters. Apart from selecting the polymer and the filler, the engineer will have to understand the compatibility of the polymer and the filler, dispersion, and bonding behavior making the design of polymer nanocomposite a rather complex system. In this chapter, we have tried to display different functional materials development pursuit.
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Nair, Praseetha P. « Polymer Nanocomposite Technologies Designed for Biomedical Applications ». Dans Bio-Inspired Nanotechnology, 41–55. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815080179123010005.

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The combination of polymer composite technology and nanotechnology leads to the design of polymer nanocomposites. They represent a novel alternative class of materials to traditional composites with versatile properties which are suitable for biomedical applications. The addition of nanofillers to polymer composites enhances their mechanical and biological characteristics. The enhancement in various properties depends on the polymer matrix, filler, and matrix-filler interaction. The major issue faced in biomedical research during product development is the lack of biocompatibility and biodegradability. The primary factor that has to be considered for composite development is the proper choice of materials. There is a growing demand for the design of personalized medicine with the outbreak of many chronic ailments and genetic disorders. The properties of polymer nanocomposites can be customized for various biomedical applications. The characteristic features of supramolecular nanocomposites which act as smart materials with tuned properties can be exploited for tissue engineering, responsive drug and hormone delivery, regenerative medicine, bioimaging, ocular, dental and orthopedic applications. Many hybrid biopolymer composites which exhibit promising biomedical applications are developed by researchers. Their properties can be tailored for making biomedical devices also. This chapter highlights a brief but focused overview of biomedical applications of bio-based polymer nanocomposites, carbon-based polymer nanocomposites, metal-organic framework/polymer nanocomposites, shape memory polymer nanocomposites, hydrogels, self-healing polymer nanocomposites and stimuli responsive polymer nanocomposites.
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Kumar, Rahul, et Sumit Bhowmik. « Development of Natural Bio-Filler-Based Epoxy Composite for Wind Turbine Blade Application ». Dans Design and Optimization of Mechanical Engineering Products, 180–96. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3401-3.ch009.

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Nowadays, the research and engineering attention stimulated towards development of environmentally gentle materials to satisfy the energy needs of the society through renewable resources. The growing cognizance in the production and consumption of renewable energy for civilization necessities has directed towards the growth in the wind energy utilization. The wind energy is a leading renewable and sustainable energy resource and key answer to the global energy problem. The rotor blades of wind turbines are its integral parts and traditional materials used for blade manufacturing are carbon or glass fibre reinforced polymer composites owing to their low density and high strength to stiffness ratio. But the non renewability and adverse environmental effect during their processing and disposal forced the researchers to look out for some biodegradable and light weight natural plant fibres for reinforcement in polymeric resin to produce required polymer composites. In the present work, application of bio filler based epoxy composite is proposed to be used as wind turbine rotor blades.
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Roy, Swarup, Ruchir Priyadarshi, Shiv Dutt Purohit et Jong-Whan Rhim. « Antimicrobial and Antioxidant Properties of Lignin and Its Composites ». Dans Lignin-based Materials, 106–29. The Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781839167843-00106.

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Lignin is the second most abundant plant-derived and fascinating bio-based renewable polymer. It is a primary constituent of lignocellulosic materials found in plant cell walls. Lignin is a commonly available material as a waste product of the paper, pulp, and cellulosic ethanol industries. Lately, lignin and its composites have attracted considerable attention due to the excellent properties of lignin like its high abundance, lightweight nature, good reinforcing ability with polymers, biodegradability, CO2 neutrality, UV-light shielding effect, antioxidant activity, and antimicrobial action. The exceptional physical and functional properties of lignin make it a suitable filler for developing polymer-based composite materials. In this work, the isolation of lignin, its structure, and its functional properties such as antimicrobial and antioxidant potential are comprehensively reviewed. Moreover, the recent progress of lignin in manufacturing different polymer-based antimicrobial and antioxidant composites in food packaging, plant protection, and growth application is also summarized here.
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Karim, A., M. Hassan et Mubarak Khan. « Effect of Pretreatment of Rice Straw Used as a Bio-Filler in Reinforced Polypropylene Composite ». Dans Recent Advances in Adhesion Science and Technology in Honor of Dr. Kash Mittal, 181–92. CRC Press, 2013. http://dx.doi.org/10.1201/b16347-14.

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Gopal, P. M., V. Kavimani et Titus Thankachan. « Properties of filler added biofiber-based polymer composite ». Dans Advances in Bio-Based Fiber, 263–73. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-824543-9.00030-x.

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Santhosh, G. « Halloysite-Chitosan based Nano-Composites and Applications ». Dans Advanced Applications of Micro and Nano Clay, 27–48. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901915-2.

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Chitosan is the most abundant and excellent natural polymer (PMR). The wider usage of chitosan is because of its antimicrobial, non-toxic, biocompatible and biodegradable nature. Chitosan is extracted from crustaceans and squids. Chitosan has been extensively studied in the field of wastewater treatment and biomedical applications. Halloysite nanotube (HNT) is a sort of aluminosilicate nano-clay, famous for their high aspect ratio and hallow configuration, HNT as a nano-filler for polymer matrix can be profitably utilized. HNT with the molecular formula, H4Al2O9Si2·2H2O have unique tubular structure make them suitable as nano-containers with the intention to store and adsorb with abundant –OH groups. The use of HNT can provide high mechanical strength, high thermal stability and bio-acceptability. With the incorporation of nanosized halloysites nanotubes into chitosan matrix generally leads to desired property enhancement along with the changes in the microstructure. Amongst the most likely available natural materials, the chitosan and halloysite are attractive ones because of their nontoxic and eco-friendly nature. The halloysite was extensively studied as a carrier material in many drug delivery systems, catalytic support, scaffold for tissue engineering and as a nanofiller for food packaging application. In this chapter, the application of chitosan and HNT in the real world are postulated in order to give insights for future studies.
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Actes de conférences sur le sujet "BIO-FILLER COMPOSITE"

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Velukkudi Santhanam, Senthil Kumar, Srinil Sukumar Pullayikodi, Prakash Sampath, Viswanathan Doraiswamy et Dhanashekar Manickam. « Crash Analysis and Characterization of Bio Organic Fillers in the BFRP/Epoxy Composites ». Dans ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23103.

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Abstract Basalt fiber/polymer composites have extensive applications in automotive, aerospace, defense, and sports goods. Addition of ash fillers has enhanced the properties of the composite material. Two types of bio-ash fillers namely, rice husk ash (RHA) and coconut fiber ash (CFA) particles were used. Ashes obtained from rice husk and coconut fiber are a good source of silica which when heated at higher temperature make them good fillers. Hand lay-up technique was used to fabricate composites in rectangular column shapes. Characterization study of ash particles incorporated polymer composites were made by subjecting it to X-ray diffraction (XRD) measurement. The presence of filler particles reduces the voids ratio and enhances the strength of the composites. The load vs. displacement relations of the composite specimens were obtained from low velocity compression tests. Crashworthiness parameters like maximum force, average force and energy absorption were derived from the compression test results. Properties of plain basalt fiber composites were compared with that of BFRP/Epoxy composites with RHA and CFA fillers incorporated composites. The conclusion drawn from the test results was that the addition of ash filler particles in the composite have an improvement in crashworthiness of BFRP/Epoxy composite.
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Mahmood, M. A., A. A. Ayash et K. M. Eweed. « Biochar filler for the production of conductive bio-epoxy composites ». Dans 3RD INTERNATIONAL CONFERENCE ON ENERGY AND POWER, ICEP2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0107725.

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Rus, Anika Zafiah M., M. Shafiq M. Azahari, Shaharuddin Kormin, Leong Bong Soon, M. Taufiq Zaliran et Ahraz Sadrina M. F. L. « Hybrid waste filler filled bio-polymer foam composites for sound absorbent materials ». Dans INTERNATIONAL CONFERENCE “FUNCTIONAL ANALYSIS IN INTERDISCIPLINARY APPLICATIONS” (FAIA2017). Author(s), 2017. http://dx.doi.org/10.1063/1.4999883.

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Gopinath, S., D. Arivazhakan, A. R. Sivanesh et R. Aravind Kumar. « Investigation on mechanical behavior of compression molded mesquite bio filler reinforced hybrid composites ». Dans INTERNATIONAL CONFERENCE ON SUSTAINABLE INNOVATION IN MECHANICAL ENGINEERING. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0079242.

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Saeb, Mohammad Reza, Hadi Ramezani Dakhel, Akbar Ghaffari, Alberto D’Amore, Domenico Acierno et Luigi Grassia. « MECHANICAL PROPERTIES AND VULCANIZATION CHARACTERISTICS OF STYRENE-BUTADIENE RUBBER (SBR) BASED COMPOUNDS FILLED WITH EGGSHELL POWDER AS A BIO-FILLER ». Dans IV INTERNATIONAL CONFERENCE TIMES OF POLYMERS (TOP) AND COMPOSITES. AIP, 2008. http://dx.doi.org/10.1063/1.2989045.

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Al-Safy, Mahmoud, Nasr Al Hinai et Khalid Alzebdeh. « Production of Date Palm Nanoparticle Reinforced Composites and Characterization of Their Mechanical Properties ». Dans ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95413.

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Abstract The extraction of Nano-sized fillers from bio sources has been a key focus of the material industry to secure green composites for a wide range of applications. Consequently, chemical fragmentation and downsizing of waste lignocellulosic fibers into small size particles is a viable economic and environmental option. The objective of this work is to explore the potential use of Nano natural fillers as a reinforcement element in thermoplastic polymers. In specific, the Nano-sized lignocellulosic filler is extracted from date palm microfibers using the mechanical ball milling technique. The ball milling is performed at a high speed of 12 cycles per minute for four different time durations. The achieved nanoparticle size ranged from 80 to 122 nm, reduced to a range of 70 to 51 nm and then reached 27 to 39 nm after 3, 4 and 5 hours of powdering, respectively, with no significant change in size after 6 hours of milling. After that, the morphological properties of the produced fillers are characterized using various techniques such as transmission electron microscopy (TEM) and scanning electron microscopy (SEM). Finally, the mechanical performance of the reinforced recycled polypropylene (rPP) using 10% (wt.) date palm nanofillers is investigated using tensile and flexural tests, as well as the physical properties including water absorption and density tests. Successful implementation of nanofillers in bio-composites offers an economical and sustainable route to attain high-performance material in the future.
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