The synthesis and characterization of the graphene oxide covalent modified phenolic resin nanocomposites
ADVANCES IN MATERIALS SCIENCE-BOOK(2011)
摘要
Graphene oxide (GO) was made by a modified Hummers method. Graphene oxide modified phenolic resin nanocomposites (GO/PF) were prepared by Steglich esterification, catalyzed by dicyclohexyl carbodiimide and 4-dimethylaminopyridine. The composites were characterized by Fourier transform infrared spectrometry, differential scanning calorimetry, X-ray powder diffraction, and scanning electron microscopy. The result revealed that the graphene oxide was absolutely exfoliated and covalent linked GO/PF composite was obtained. The thermal stability of PF is remarkably improved by modification with GO.
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关键词
graphene oxide,phenolic resin,covalent modified,composites
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