含氟嵌段共聚物离聚体的合成表征及其性能研究  

SYNTHESIS AND CHARACTERIZATION OF FLUORINE-CONTAINING BLOCK COPOLYMER IONOMERS AND THEIR PROPERTIES

作　　者：李虹[1] 张兆斌[1] 胡春圃[1] 吴树森[1] 应圣康[1] 

机构地区：[1]华东理工大学活性聚合研究室,上海200237

出　　处：《高分子学报》2003年第5期738-741,共4页Acta Polymerica Sinica

基　　金：上海市重点学科建设项目;东华大学纤维材料改性国家重点实验室开放课题资助项目

摘　　要：Fluorine-containing block copolymer ionomers were prepared by atom transfer radical polymerization (ATRP) of 2-[(perfluorononenyl)oxy]ethyl methacrylate (FNEMA) using bromine-endcapped poly(styrene)(PSt- Br) as macroinitiators,followed by partial sulfonation of the styrene blocks.The formation of the block copolymers before sulfonation was confirmed with gel permeation chromatography (GPC) and 1H-NMR.The sulfonation products were characterized by FT-IR and elemental analysis.Furthermore,their solution behavior and wettability were examined and comparied with those of the parent copolymers.The results show that the ionomers,especially the metal salt ionomers exhibit higher viscosity than that of the parent block copolymers.Although the polar groups-sulfonated groups were introduced to the copolymer,the film of the ionomer kept high hydrophobic ability.Fluorine-containing block copolymer ionomers were prepared by atom transfer radical polymerization (ATRP) of 2-[(perfluorononenyl)oxy] ethyl methacrylate (FNEMA) using bromine-endcapped poly (styrene) (PStBr) as macroinitiators, followed by partial sulfonation of the styrene blocks. The formation of the block copolymers before sulfonation was confirmed with gel permeation chromatography (GPC) and H-1-NMR. The sulfonation products were characterized by Fr-IR and elemental analysis. Furthermore, their solution behavior and wettability were examined and comparied with those of the parent copolymers. The results show that the ionomers, especially the metal salt ionomers exhibit higher viscosity than that of the parent block copolymers. Although the polar groups-sulfonated groups were introduced to the copolymer, the film of the ionomer kept high hydrophobic ability.

关 键 词：含氟嵌段共聚物 离聚体 合成 表征 性能 原子转移自由基聚合 粘度 接触角 聚苯乙烯 

分 类 号：TQ317[化学工程—高聚物工业]