Systematic understandings on the preparation andcharacterization of biomass containing polymer nanocomposites

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The preparation method for cellulose nanofibers and thecompositing method of the nanofibers and polyolefin have been continuously studiedand systematically organized. Concerning the former,(1) proper pre-or aftertreatments combining with the ultra high-pressure counter-collision treatment in anaqueous cellulosic suspension,(2) chemical modification of cellulose),(3) selectionof cellulose species,(4) selection of the concentration of aqueous cellulose slurrywere found to work as the main factors. Concerning the latter,(1) compositingconditions with polyolefin and(2) coexistence of hydrosoluble polymers were found tobe the critical factors.