Synthesized palygorskite/polyaniline nanocomposite particles by oxidative polymerization and their electrorheology

被引：28

作者：

Chae, Hyun Sik ^{[1
]}

Zhang, Wen Ling ^{[1
]}

Piao, Shang Hao ^{[1
]}

Choi, Hyoung Jin ^{[1
]}

机构：

[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea

来源：

APPLIED CLAY SCIENCE | 2015年 / 107卷

基金：

新加坡国家研究基金会;

关键词：

Electrorheological fluid; Polyaniline; Palygorskite; Nanocomposite; AQUEOUS-SOLUTION; POLYANILINE SUSPENSIONS; CONDUCTING POLYMER; SILICA PARTICLES; ADSORPTION; COMPOSITE; PROPERTY; ACID; MICROSPHERES; ATTAPULGITE;

D O I：

10.1016/j.clay.2015.01.018

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Palygorsldte (Pal) clay coated with semiconducting polyaniline (PAN!) nanocomposite particles was prepared by oxidative polymerization using aniline monomer in the presence of Pal. The morphological characteristics of the synthesized Pal/PANI composite particles were examined by both field emission scanning electron microscopy and transmission electron microscopy. A rotational rheometer was also used to examine the rheological behavior of the Pal/PANI composite-based electrorheological (ER) fluid when the nanocomposite particles were dispersed in silicone oil. From its flow curve of shear stress vs. shear rate investigated under an applied electric field, the typical ER behavior of the Pal/PANI-based ER fluid was observed. In addition, polarizability and relaxation time of the ER system obtained from the dielectric spectra were well correlated with its ER performance. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：165 / 172

页数：8

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