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Journal ArticleDOI

Biocomposites reinforced with natural fibers: 2000–2010

TL;DR: A comprehensive review of literature on bio-fiber reinforced composites is presented in this paper, where the overall characteristics of reinforcing fibers used in biocomposites, including source, type, structure, composition, as well as mechanical properties, are reviewed.
About: This article is published in Progress in Polymer Science.The article was published on 2012-11-01. It has received 3074 citations till now. The article focuses on the topics: Biocomposite & Transfer molding.
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TL;DR: Lignin is one of the three major components found in the cell walls of natural lignocellulosic materials and is widely available as a major byproduct of a number of industries involved in retrieving the polysaccharide components of plants for industrial applications, such as in paper making, ethanol production from biomass, etc.
Abstract: Rising environmental concerns and depletion of petro-chemical resources has resulted in an increased interest in biorenewable polymer-based environmentally friendly materials. Among biorenewable polymers, lignin is the second most abundant and fascinating natural polymer next to cellulose. Lignin is one of the three major components found in the cell walls of natural lignocellulosic materials. Lignin is widely available as a major byproduct of a number of industries involved in retrieving the polysaccharide components of plants for industrial applications, such as in paper making, ethanol production from biomass, etc. The impressive properties of lignin, such as its high abundance, low weight, environmentally friendliness and its antioxidant, antimicrobial, and biodegradable nature, along with its CO2 neutrality and reinforcing capability, make it an ideal candidate for the development of novel polymer composite materials. Considerable efforts are now being made to effectively utilize waste lignin as one ...

1,065 citations

Journal ArticleDOI
TL;DR: A comprehensive review of the most appropriate and widely used natural fiber reinforced polymer composites (NFPCs) and their applications is presented in this paper. But, the results of the review are limited due to the high water absorption, inferior fire resistance, and lower mechanical properties of NFPCs.
Abstract: Natural fibers are getting attention from researchers and academician to utilize in polymer composites due to their ecofriendly nature and sustainability. The aim of this review article is to provide a comprehensive review of the foremost appropriate as well as widely used natural fiber reinforced polymer composites (NFPCs) and their applications. In addition, it presents summary of various surface treatments applied to natural fibers and their effect on NFPCs properties. The properties of NFPCs vary with fiber type and fiber source as well as fiber structure. The effects of various chemical treatments on the mechanical and thermal properties of natural fibers reinforcements thermosetting and thermoplastics composites were studied. A number of drawbacks of NFPCs like higher water absorption, inferior fire resistance, and lower mechanical properties limited its applications. Impacts of chemical treatment on the water absorption, tribology, viscoelastic behavior, relaxation behavior, energy absorption flames retardancy, and biodegradability properties of NFPCs were also highlighted. The applications of NFPCs in automobile and construction industry and other applications are demonstrated. It concluded that chemical treatment of the natural fiber improved adhesion between the fiber surface and the polymer matrix which ultimately enhanced physicomechanical and thermochemical properties of the NFPCs.

1,022 citations


Cites background from "Biocomposites reinforced with natur..."

  • ...This structure gives to thermoset polymer good properties such as high flexibility for tailoring desired ultimate properties, great strength, and modulus [3, 4]....

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  • ...At 65% humidity at 21C, the equilibrium moisture content of some natural fiber can be observed in Table 4 [4]....

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  • ...The plants, which produce cellulose fibers can be classified into bast fibers (jute, flax, ramie, hemp, and kenaf), seed fibers (cotton, coir, and kapok), leaf fibers (sisal, pineapple, and abaca), grass and reed fibers (rice, corn, and wheat), and core fibers (hemp, kenaf, and jute) as well as all other kinds (wood and roots) [4]....

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  • ...Table 1: Natural fibers in the world and their world production [4]....

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  • ...Table 2: Chemical composition of some common natural fibers [4]....

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Journal ArticleDOI
TL;DR: In this paper, a brief outline of work that covers in the area of biocomposites, major class of biodegradable polymers, natural fibres, as well as their manufacturing techniques and properties has been highlighted.
Abstract: The growing ecological and environmental consciousness has driven efforts for development of new innovative materials for various end-use applications. Polymers synthesized from natural resources, have gained considerable research interest in the recent years. This review paper is intended to provide a brief outline of work that covers in the area of biocomposites, major class of biodegradable polymers, natural fibres, as well as their manufacturing techniques and properties has been highlighted. Various surface modification methods were incorporated to improve the fibre–matrix adhesion resulting in the enhancement of mechanical properties of the biocomposites. Moreover, an economical impact and future direction of these materials has been critically reviewed. This review concludes that the biocomposites form one of the emerging areas in polymer science that gain attention for use in various applications ranging from automobile to the building industries.

894 citations

Journal ArticleDOI
TL;DR: The prime aim of this review article is to demonstrate the recent development and emerging applications of natural cellulose fibers and their polymer materials.

775 citations

Journal ArticleDOI
TL;DR: It is evident from the literature survey presented herein that modified cellulose-based adsorbents exhibit good potential for the removal of various aquatic pollutants, however, still there is a need to find out the practical utility of these adsorbent on a commercial scale, leading to the improvement of pollution control.

747 citations


Additional excerpts

  • ...4 glycosidic linkages (Faruk et al., 2012; Henriksson and Berglund, 2007; O'Connell et al., 2008) (Fig....

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References
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Journal ArticleDOI
TL;DR: In this article, cellulose cassava bagasse nanofibrils (CBNs) were used as reinforcing nanoparticles in a thermoplastic cassava starch matrix plasticized using either glycerol or a mixture of glycerols/sorbitol (1:1) as plasticizer.

357 citations

Journal ArticleDOI
TL;DR: In this article, the optimisation of New Zealand grown hemp fiber for inclusion in composites has been investigated, and the optimum growing period was found to be 114 days, producing fibres with an average tensile strength of 857 MPa and a Young's modulus of 58 GPa.
Abstract: The optimisation of New Zealand grown hemp fibre for inclusion in composites has been investigated. The optimum growing period was found to be 114 days, producing fibres with an average tensile strength of 857 MPa and a Young’s modulus of 58 GPa. An alkali treatment with 10 wt% NaOH solution at a maximum processing temperature of 160 °C with a hold time of 45 min was found to produce strong fibres with a low lignin content and good fibre separation. Although a good fit with the Weibull distribution function was obtained for single fibre strength, this did not allow for accurate scaling to strengths at different lengths. Alkali treated fibres, polypropylene and a maleated polypropylene (MAPP) coupling agent were compounded in a twin-screw extruder, and injection moulded into composite tensile test specimens. The strongest composite consisted of polypropylene with 40 wt% fibre and 3 wt% MAPP, and had a tensile strength of 47.2 MPa, and a Young’s modulus of 4.88 GPa.

354 citations

Journal ArticleDOI
TL;DR: In this paper, the tensile mechanical properties of flax fibres from the Hermes variety are estimated according to their diameter and their location in the stems, and the large scattering of these properties is ascribed to the variation of the fibre size along its longitudinal axis, as revealed by SEM observations.
Abstract: The tensile mechanical properties of flax fibres from the Hermes variety are estimated according to their diameter and their location in the stems. The large scattering of these properties is ascribed to the variation of the fibre size along its longitudinal axis, as revealed by SEM observations. The higher values of the mechanical properties for the fibres issued from the middle of the stems are associated with the chemical composition of their cell walls. The mechanical properties of unidirectional flax fibre/epoxy matrix composites are studied as a function of their fibre content. The properties of the composites are lower than those expected from single fibre characteristics.

349 citations

Journal ArticleDOI
TL;DR: In this article, a series of pea hull fiber-derived nanowhisker (PHFNW-t) dispersions was prepared by hydrolyzing PEA hull fibres for different times (t) with sulfuric acid, and then blended with pea starch (PS) to fabricate bionanocomposite films.

344 citations

Journal ArticleDOI
TL;DR: In this article, the effect of maleic anhydride grafted polypropylene (MAHgPP) coupling agents on the properties of jute fibre/polypropylene composites have been considered with two kinds of matrices (PP1 and PP2).

341 citations


"Biocomposites reinforced with natur..." refers background in this paper

  • ...Jute fiber reinforced PP composites were evaluated egarding the effect of matrix modification [53], the influnce of gamma radiation [54], the effect of interfacial dhesion on creep and dynamic mechanical behavior [55], he influence of silane coupling agent [56,57], and the effect f natural rubber [58]....

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