Effect of cellulosic fiber scale on linear and non-linear mechanical performance of starch-based composites.

摘要: Cellulosic nanofibers (NFs) from kenaf bast were used to reinforce glycerol plasticized thermoplastic starch (TPS) matrices with varying contents (0-10wt%). The composites prepared by casting/evaporation method. Raw fibers (RFs) reinforced TPS films the same and conditions. aim of study was investigate effects filler dimension loading on linear non-linear mechanical performance fabricated materials. Obtained results clearly demonstrated that NF-reinforced had significantly greater than RF-reinforced counterparts. This attributed high aspect ratio nano reinforcing agents, as well their compatibility matrix, resulting in strong fiber/matrix interaction. Tensile strength Young's modulus increased 313% 343%, respectively, increasing NF content 0 10wt%. Dynamic analysis (DMA) revealed an elevational trend glass transition temperature amylopectin-rich domains composites. most eminent record +18.5°C shift position film 8% NF. finding implied efficient dispersion matrix ability form a network restrict mobility system.