Pickering emulsion polymerization of core–shell-structured polyaniline@SiO2 nanoparticles and their electrorheological response

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• 作者：Ying Dan Liu (1)
  Wen Ling Zhang (1)
  Hyoung Jin Choi (1) hjchoi@inha.ac.kr
• 关键词：Pickering emulsion – Polyaniline – Electrorheological fluid – Core–shell
• 刊名：Colloid & Polymer Science
• 出版年：2012
• 出版时间：June 2012
• 年：2012
• 卷：290
• 期：9
• 页码：855-860
• 全文大小：378.0 KB
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• 作者单位：1. Department of Polymer Science and Engineering, Inha University, Incheon, 402-751 South Korea
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Polymer Sciences
  Physical Chemistry
  Soft Matter and Complex Fluids
  Characterization and Evaluation Materials
  Food Science
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1435-1536

文摘

We synthesized semiconducting polyaniline (PANI) nanoparticles through a solid-stabilized Pickering emulsion route using silica nanoparticles. Specific morphologies of the silica nanoparticle wrapped PANI particles were observed using both scanning electron microscope and transmission electron microscope, which showed the emulsifiability of silica nanoparticles in the emulsion system. Electrorheological (ER) behavior of this novel particle-based ER fluid dispersed in silicone oil was measured by a controlled shear stress rheometer and analyzed with a flow curve equation of Cho-Choi-Jhon model, which fitted well the flow curves measured in the exposed electric field.