Resistivity and thermal reproducibility of carbon black and metallic powder filled silicone rubber heaters

被引：24
作者：
Park, ES [1 ]
Jang, LW [1 ]
Yoon, JS [1 ]
机构：
[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2005年 / 95卷 / 05期
关键词：
electrical resistance; rubber; filler; composites;
D O I：
10.1002/app.21340
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Flexible heaters were prepared by extruding platinum-catalyzed silicone rubber composites with conductive carbon black (CB) and metallic fillers. The conductor resistivity of the extruded heaters decreased in order of conductive titanium dioxide (TiO2) > aluminum powder approximate to zinc powder > copper powder. Thermoelectric switching phenomena were investigated for the silicone rubber/CB/ metallic powder systems. The positive temperature coefficient effect was dependent mainly on the CB content rather than on the content of the metallic powders. Resistivity and thermal reproducibility of the extruded heaters were also investigated by periodically applying AC voltage of 110 V. The heaters containing copper and TiO2 powders exhibited excellent electrical reproducibility. (C) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：1122 / 1128
页数：7
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