SYNTHESIS OF POLY(VINYL ETHER)S WITH PERFLUOROALKYL PENDANT GROUPS

被引：0
|
作者：
HOPKEN, J
MOLLER, M
LEE, MS
PERCEC, V
机构：
[1] UNIV TWENTE,DEPT CHEM TECHNOL,POB 217,7500 AE ENSCHEDE,NETHERLANDS
[2] CASE WESTERN RESERVE UNIV,DEPT MACROMOLEC SCI,CLEVELAND,OH 44106
来源：
MAKROMOLEKULARE CHEMIE-MACROMOLECULAR CHEMISTRY AND PHYSICS | 1992年 / 193卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
2-Perfluoro(alkyl)ethyl vinyl ethers, F(CF2)nCH2CH2OCH = CH2, (n = 6 or 8), were synthesized and polymerized by means of cationic initiators (HI/ZnI2 and CF3SO3H/(CH3)2S). The perfluorohexyl-substituted poly(vinyl ether) is completely amorphous. The polymer with perfluorooctyl segments shows side chain crystallization with a disordering transition. For the corresponding perfluorooctyl monomer a liquid-crystalline phase was observed before melting. Copolymerization experiments of the fluorocarbon-segn ented monomers with a vinyl ether containing a cyanobiphenyl group in the side chain did not give homogeneous copolymers. This is attributed to the slower rate of polymerization of the fluorinated vinyl ethers as compared with the liquid-crystalline comonomer.
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页码：275 / 284
页数：10
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