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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 |
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Cite this article:
LENG Cuiting LI Xiaorui FEI Guiqiang WANG Haihua. Synthesis and Electrochemical Properties of HDI Trimer Modified Polyurethane/Polypyrrole. Chinese Journal of Materials Research, 2012, 26(5): 533-537.
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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.
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Received: 05 July 2012
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Fund: Supported by National Natural Science Foundation of China No.50973057. |
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