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SURFACE TREATMENT (2) answer(s).
 
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1
ID:   130733


Environment friendly composite materials: biocomposites and green composites / Mitra, B. C   Journal Article
Mitra, B. C Journal Article
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Publication 2014.
Summary/Abstract Biocomposites can supplement and eventually replace petroleum-based composite materials in several applications. Several critical issues related to bio-fiber surface treatments is to make it a more suitable matrix for composite application and promising techniques need to be solved to design biocomposite of interest. The main motivation for developing biocomposites has been and still is to create a new generation of fiber reinforced plastics material competitive with glass fiber reinforced ones which are environmentally compatible in terms of products, use and renewal. There is an immense opportunity in developing new biobased products, but the real challenge isto design suitable bio-based products through innovation ideas. Green materials are the wave of the future. Bio nano composites have very strong future prospects, though the present low level of production, some deficiency in technology and high cost restrict them from a wide range of applications.
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2
ID:   130737


Sponge gourd (Luffa Cylindrica) reinforced polyester composites: preparation and properties / Tanobe, Valcineide O.A; Sahagun, Thais H.S. Flores; Amico, Sandro C; Muniz, Graciela I.B, Satyanarayana, K. G   Journal Article
Tanobe, Valcineide O.A Journal Article
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Publication 2014.
Summary/Abstract Increasing environmental concern along with the drive to find substitutes for synthetic fibers and value added applications for low cost and renewable plant fibers have led to the development of composites based on biomaterials. One of the drawbacks encountered in such exercise is the lack of adhesion between the incorporated plant fibers and synthetic polymeric matrices. Such drawback can be reduced by appropriate treatment of fibers. This paper describes the chemical treatments used on sponge gourd (Luffa cylindrica) fibers of Brazil to prepare their composites with polyester resin. Production of short fiber-polymer composite as well as mat-polyester composites is presented here. Characterization of the composites in respect of evaluation of density, water absorption, thermalstability, tensile properties and impact strength were made and the results are discussed. Observed impact strengthand tensile properties are discussed based on the fractographic studies of the composites.
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