Polypropylene-Based Biocomposites Reinforced by Tailor-Modified Cellulose Fibers and Microfibrils

Yuan Feng Pan; Shu Zhao Li; Hui Ning Xiao

doi:10.4028/www.scientific.net/AMR.671-674.1826

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 671-674Polypropylene-Based Biocomposites Reinforced by...

Polypropylene-Based Biocomposites Reinforced by Tailor-Modified Cellulose Fibers and Microfibrils

Abstract:

Two approaches of improving the toughness of polypropylene (PP)-based composites reinforced by natural cellulose fibers were developed. The surface modification of cellulose fibrils (CMF) or fiber by either in-situ grafting polymerization of butyl acrylate (BA) on CMF surface via an atom transfer radical polymerization (ATRP) or adsorbing the cationic polymeric latex with core-shell structure on fiber surfaces was performed; and resulting fibers or CMF were used as reinforments in an attempt to enhance the toughness of the PP-based composites. The results of mechanical properties indicated that the flexure, tensile, and impact strengths of the CMF-g-PBA reinforced composites were all improved. The cellulose fibres treated by cationic latex also showed the same trend. The optimal dosage of latex for hydrophobic-modifying fibers was also identified.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

1826-1829

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.671-674.1826

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Online since:

March 2013

Authors:

Yuan Feng Pan, Shu Zhao Li, Hui Ning Xiao

Keywords:

Atom Transfer Radical Polymerization (ATRP), Biocomposite, Cellulose Fiber, Cellulose Microfibril (CMF), Reinforced

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