Conductive carbon black/polymethacrylate composites prepared by in-situ polymerization

被引：0
|
作者：
Dong, Xian-Ming [1 ,2 ]
Luo, Ying [1 ,2 ]
Zhang, Shu-Ting [1 ,2 ]
Fu, Ruo-Wen [2 ]
Zhang, Ming-Qiu [2 ]
机构：
[1] Department of Applied Chemistry, College of Sciences, South China Agricultural University, Guangzhou 510642, China
[2] Materials Science Institute, Zhongshan University, Guangzhou 510275, China
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2007年 / 23卷 / 03期
关键词：
Electric conductivity of solids - Electric properties - In situ processing - Molecular weight - Polydispersity - Polymer matrix composites - Polymerization - Polymethyl methacrylates;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Conductive carbon black/poly(methyl methacrylate) (CB/PMMA), carbon black/poly(butyl methacrylate) (CB/PBMA) and carbon black/poly(2-ethylhexyl methacrylate) (CB/PEHMA) composites were prepared by in-situ polymerization in this work. The effects of polymer matrix on electrical conductivity of the composites were studied. The experimental results indicate that the number-average molecular weight of the polymer synthesized decreases and the polydispersity index (PDI) is broadened with a rise of carbon black content due to the retardation of carbon black. The composites obtained possess a low percolation threshold when the glassy transition temperature of the polymer matrices is high.
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页码：43 / 46
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