期刊
MACROMOLECULAR MATERIALS AND ENGINEERING
卷 296, 期 7, 页码 590-602出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.201000358
关键词
graphene; latex mixing; nanocomposites; rubber
资金
- National Basic Research Program of China (973 Program) [2007CB714701]
NR/GE composites were prepared by an ultrasonically-assisted latex mixing and in situ reduction process. Graphene oxide was dispersed in NRL using an ultrasonic field and was then reduced in situ, followed by latex coagulation to obtain the NR/GE masterbatch. The results show that the process produces a much better dispersion and exfoliation of GE in the matrix and contributes to an increase in the tensile strength compared to conventional direct mixing. Compared to pure rubber, the tensile strength and tear strength for NR/(2 wt.-%) GE composites were increased by approximate to 47 and 50%, respectively. With increasing GE content, the maximum torque, crosslink density, elastic modulus, and thermal conductivity of NR/GE composites were found to increase.
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