Oxidative Coupling of Poly (2-Vinylthiophene) Chains by FeCl3

被引：0
|
作者：
Susanne Hohne
Stefan Spange
机构：
[1] Chemnitz University of Technology,Polymer Chemistry, Department of Chemistry, Faculty of Natural Science
来源：
Polymer Bulletin | 2004年 / 52卷
关键词：
Polymer; Spectroscopy; Dichloromethane; FeCl3; Thiophene;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Poly(2-vinylthiophene) (PVT) can be cross linked with FeCl3 either in dichloromethane solution or when immobilized on silica particles. Extend of cross linking is strongly dependent on the FeCI3/PVT ratio used for the reaction as shown by GPC plots and gravimetric analyses of the formed insoluble polymer fraction. A stoichiometric FeCl3/PVT ratio of about four is necessary to achieve complete conversion, because consecutive formations of thiophene H+FeCl4- and bisthiophene H+FeCl4- sigma complexes take place. PVT can be also cross linked when adsorbed on silica using the same procedure. The cross-linking is proved by IR and 13C CPiMAS NMR spectroscopy.
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页码：219 / 226
页数：7
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