Abstract
Bacterial cellulose whisker (BCW) reinforced carboxylated acrylonitrile-butadiene rubber (xNBR) vulcanizates were fabricated by mixing BCW suspension with xNBR latex, followed by coagulating and vulcanization. The BCW, prepared from acid hydrolysis of bacterial cellulose, has as rod-like nanofiber structure according to transmission electron microscopy. BCW maintained its crystal structure in BCW/xNBR vulcanizates as confirmed by X-ray diffraction. The incorporation of BCW improved the curing rate of xNBR. Compared with unfilled xNBR, the tensile strength, Young’s modulus, and tear strength of BCW/xNBR vulcanizates were increased considerably: by 320, 150, and 150 %, respectively.The storage modulus (E′) and glass transition temperature (Tg) also increased because of the addition of BCW.
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