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Abstract:
By incorporating graphene oxide (GO) into phenolic resin (PR), GO/PR composites were prepared, and the effects of the content and reduction degree of GO on thermal resistance of GO/PR composites were studied. The peak degradation temperature of the PR was increased by about 14 degrees C with GO which was heat treated. The char yield of GO/PR composite at a GO weight fraction of 0.5% was about 11% greater than that of PR. The interactions such as covalent bonds and pi-pi stacking between GO and PR were regarded as the main reason for the enhancement. Located at the GO-PR interface, GO effectively anchored and structured PR molecular near the surfaces of GO sheets, and thus facilitated the formation of char. The superiority of GO/PR composites over PR in terms of thermal properties enhancement should also be related to the promoting graphitization by the addition of GO. (C) 2013 Elsevier Ltd. All rights reserved.
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COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
ISSN: 1359-835X
Year: 2013
Volume: 54
Page: 166-172
3 . 0 1 2
JCR@2013
7 . 6 6 4
JCR@2020
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:292
JCR Journal Grade:2
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 49
SCOPUS Cited Count: 61
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3