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Published on: November 7, 2016

Synthesis and Characterization of Electrical and Thermal Conductive Vinyltriethoxysilane Functionalized Graphene

Srosh Fazil¹, Khurram Liaqat¹, Wajid Rehman²

¹Department of Chemistry, University of Poonch Rawalakot, Rawalakot 12350, Azad Kashmir, Pakistan.

|June 27, 2023

Abstract:

The present study is an attempt to improve thermal, mechanical and electrical properties of poly (methyl methacrylate) (PMMA). For this purpose, vinyltriethoxysilane (VTES) was grafted covalently on the surface of graphene oxide (GO). This VTES functionalized graphene oxide (VGO) was dispersed in the PMMA matrix using the solution casting method. The morphology of the resultant PMMA/VGO nanocomposites was analyzed by SEM indicating well-dispersed VGO in the PMMA matrix. Thermal stability, tensile strength and thermal conductivity increased by 90%, 91% and 75%, respectively, whereas volume electrical resistivity and surface electrical resistivity reduced to 9.45 × 10⁵ Ω/cm and 5.45 × 10⁷ Ω/cm², respectively.

Keywords:

nanocomposite films poly (methyl methacrylate)vinyltriethoxysilane functionalized graphene oxide

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