期刊
POLYMER TESTING
卷 54, 期 -, 页码 168-175出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2016.07.013
关键词
Composites; Graphene oxide; Modification; Phenyl silicone rubber; Low filler loading
Graphene oxide (GO) was treated with two types of surfactants, i.e., silane coupling agent (KH550) and 4,4'-diphenylmethane diisocyanate (MDI), incorporated into phenyl silicone rubber at a low concentration (<= 0.2 wt%), and cured by the room temperature vulcanized method. The effects of functional graphene oxide on the dielectric behaviour, thermal conductivity, optical transmittance and mechanical properties of the composites were investigated. The results showed that the particle size changed after modification and that the modified GO dispersed well in the phenyl silicone rubber. The composites with MDI modified GO exhibited better electrical insulation and lower light loss in the ultraviolet-visible region than the composites with KH550 modified GO. However, composites filled with KH550 modified GO present better thermal conductivity. (C) 2016 Elsevier Ltd. All rights reserved.
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