Effect of polymerization temperature on polyaniline based electrorheological suspensions

被引：0
|
作者：
J. H. Lee
M. S. Cho
H. J. Choi
M. S. Jhon
机构：
[1] Department of Polymer Science and Engineering Inha University Inchon 402-751,
[2] Korea e-mail: hjchoi@munhak.inha.ac.kr,undefined
[3] Department of Chemical Engineering Carnegie Mellon University Pittsburgh PA 15213,undefined
[4] USA,undefined
来源：
Colloid and Polymer Science | 1999年 / 277卷
关键词：
Key words Electrorheological fluid; Polyaniline; Dielectric spectrum;
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学科分类号：
摘要：
As one of the intrinsically polarizable materials used in electrorheological (ER) fluid, polyaniline was synthesized by the chemical oxidation of aniline with ammonium peroxysulfate. ER fluids were prepared by dispersing polyaniline particles in silicone oil, and their rheological properties were measured. The effect of the polymerization temperature of polyaniline on its ER characteristics was investigated. ER fluids with polyaniline particles synthesized at −10°C (PA-10) showed the best ER performance (yield stress) compared with those synthesized at higher temperatures. A difference in the flow behavior of the ER fluids was also investigated through the dielectric spectra of ER fluids.
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页码：73 / 76
页数：3
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