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材料研究学报  2012, Vol. 26 Issue (5): 533-537    
  研究论文 本期目录 | 过刊浏览 |
HDI三聚体改性聚氨酯/聚吡咯复合材料的制备及导电性能
冷翠婷, 李小瑞, 费贵强, 王海花
陕西科技大学教育部轻化工助剂化学与技术重点实验室 西安 710021
Synthesis and Electrochemical Properties of HDI Trimer Modified Polyurethane/Polypyrrole
LENG Cuiting, LI Xiaorui, FEI Guiqiang, WANG Haihua
Key Laboratory of Aids Chemistry & Technology for Light Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, Xian 710021
引用本文:

冷翠婷 李小瑞 费贵强 王海花. HDI三聚体改性聚氨酯/聚吡咯复合材料的制备及导电性能[J]. 材料研究学报, 2012, 26(5): 533-537.
LENG Cuiting LI Xiaorui FEI Guiqiang WANG Haihua. Synthesis and Electrochemical Properties of HDI Trimer Modified Polyurethane/Polypyrrole[J]. Chinese Journal of Materials Research, 2012, 26(5): 533-537.

全文: PDF(911 KB)  
摘要: 

采用原位吸附聚合法制备导电有机硅聚氨酯复合材料(PPy/HESO), 研究了投料比、投料顺序及反应条件等对PPy/HESO导电性能的影响。结果表明: 吡咯用量为12.5%、FeCl3、蒽醌--2--磺酸钠与吡咯摩尔比为2.2 : 1.2 : 1、投料顺序为HESO一吡咯一蒽醌--2--磺酸钠一FeCl3、反应温度为0℃、ESO乳液的pH值=3时, 制备出的PPy/HESO复合材料导电性能最佳。HESO乳胶中的Si与导电聚吡咯具有协同效果, 利于聚吡咯与HESO乳胶形成互通导电构型, 在HESO乳胶表面或界面处形成连续核壳型导电聚合物。

关键词 复合材料有机硅聚氨酯原位吸附聚合导电性能    
Abstract

Pyrrole was polymerized into HDI trimer modified silicone polyurethane (HESO) foam by in–situ adsorption polymerization process in order to manufacture conductive silicone polyurethane (PPy/HESO). The effects of different preparative conditions including feeding ratios, feeding sequences and reaction conditions were investigated. The results show that the optimum preparative conditions arepyrrole to HESO mass ratio 12.5:100, ferric chloride and anthraquinone –2–sulfonate(AQS) to pyrrole
molar ratio of 2.2 : 1.2 : 1, feeding sequence: HESO–Pyrrole–AQS–FeCl3, reaction temperature 0℃,  pH=3 of the reaction solution. Effect of the Si and polypyrrole on electrochemical properties has a concertedness. It is more conducive to PPy/HESO, and forming a continuous core–shell–type conductive polymer in the HESO latex surface or at the interface.

Key wordscomposites    silicone polyurethane    in–situ adsorption polymerization    electrochemical properties
收稿日期: 2012-07-05     
ZTFLH:  TB324  
基金资助:

国家自然科学基金50973057、陕西省教育厅专项2010JK433及陕西科技大学学科人才培养计划XSG2010014资助项目。

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