Morphology and gas-sensitive properties of polymer based composite films

被引：24
|
作者：
Chen, XD [1 ]
Jiang, YD
Wu, ZM
Li, D
Yang, JD
机构：
[1] Univ Elect Sci & Technol China, Dept Mat Sci & Engn, Chengdu 610054, Peoples R China
[2] Chongqing Optoelect Res Inst, Chongqing 400060, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2000年 / 66卷 / 1-3期
关键词：
composites; gas sensors; films; polymers;
D O I：
10.1016/S0925-4005(99)00448-7
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Morphology and gas sensitive properties of composite films have been studied. Graphite/silicone rubber composite system exhibits better gas-sensitive response properties than those of carbon-black/silicone rubber system. Analysis of composite morphology indicates poor gas-sensitive response properties of carbon-black/silicone rubber system may be due to the presence of carbon gel, because carbon gel would hamper swelling effect of composite. It shows that gas-sensitive properties of composite film are related to their microstructures. Porous structure in composite film would aid diffusion and therefore decrease the response time (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：37 / 39
页数：3
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