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  • Title: Preparation of bacterial cellulose/graphene nanosheets composite films with enhanced mechanical performances.
    Author: Shao W, Wang S, Liu H, Wu J, Zhang R, Min H, Huang M.
    Journal: Carbohydr Polym; 2016 Mar 15; 138():166-71. PubMed ID: 26794749.
    Abstract:
    Graphene has been considered to be a promising nanofiller material for building polymeric nanocomposites because it has large specific surface area and unique mechanical property. In the study, BC/graphene composites were prepared by a simple blending method. The resulting structure and thermal stability of the composites were investigated by several techniques including TEM, SEM, XRD, TG and Raman spectrum. These results indicate graphene nanosheets were successfully impregnated and uniformly dispersed in the BC matrix. Water contact angles result showed that the addition of graphene decreased hydrophilic property since water contact angle of BC increased from 51.2° to 84.3° with 4wt% graphene added. The mechanical performances of BC/graphene composites were highly evaluated. When compared to pristine BC, the incorporation of 4wt% graphene improved the tensile strength from 96MPa to 155MPa and Young's modulus from 369MPa to 530MPa, respectively.
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