Effect of carbon black modified with polyaniline on resistivity behavior of polyethylene/carbon black composites

被引：12

作者：

Su, Chang ^{[1
]}

Wang, Gengchao ^{[1
]}

Huang, Farong ^{[1
]}

Sun, Yanhua ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Key Lab Ultrafine Mat, Minist Educ, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China

来源：

JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS | 2008年 / 47卷 / 01期

基金：

中国国家自然科学基金;

关键词：

carbon black; low density polyethylene; polyaniline; PTC effect; reproducibility;

D O I：

10.1080/15568310701744158

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

To obtain a reproducible positive temperature coefficient (PTC) composite with acceptable PTC effect, carbon black (CB) modified with polyaniline (PANI) was prepared by in situ polymerization. The effect of modified CB content on room temperature resistivity, PTC intensity, and reproducibility of resistivity-temperature comparisons in heating/cooling cycles of CB filled low density polyethylene (LDPE) composites is discussed. The results show that CB modified with PANI improved the compatibility and dispersion of CB particles in the matrix, which resulted in a decrease of the percolation threshold and improvement of reproducibility of the PTC effect.

引用

页码：65 / 75

页数：11

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