Preliminary Study on Preparation of Deproteinized Natural Rubber/Graphene Oxide Nanocomposite

Engineering and Technology For Sustainable Development - Tập 33 Số 2 - Trang 9-15 - 2023
Thi Thuong Nghiem1, Duc Manh Nguyen1, Hong Ha Cao1, Van Anh Nguyen1
1Hanoi University of Science and Technology, Ha Noi, Vietnam

Tóm tắt

Deproteinized natural rubber/graphene oxide (DPNR/GO) nanocomposite was prepared and characterized in the present work. GO was synthesized by oxidation process via Hummer modified method, and it was characterized with XRD, FTIR, NMR, and water contact angle. The presence of hydrophilic functional groups in GO sheet was confirmed by FTIR, NMR and water contact angle. The characteristic XRD scattering pattern of GO was observed at about 2θ= 9.5° and it confirmed the successful synthesis of GO. The GO was incorporated into DPNR via graft copolymerization using TEPA/TBHPO as redox initiators. The DPNR/GO nanocomposites with 0.1, 0.5, and 1.0 phr of GO were fabricated and characterized through FTIR, tensile strength, and SEM. The stress at break of DPNR/GO nanocomposite increased when the GO suspension was homogenized before the graft copolymerization. The GO content is found to increase the stress at break for the nanocomposite; however, the hardness of the nanocomposite did not change at high GO loading. The result indicated that the formation of nanocomposite materials between natural rubber and GO was affected by the sheet morphology and hydrophilicity of GO.

Từ khóa

#graphene oxide #natural rubber #tensile strength #nanocomposite #graft copolymerization

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Engineering and Technology For Sustainable Development

Tập 33 Số 2

9-15

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