New chain transfer agents for reversible addition-fragmentation chain transfer (RAFT) polymerisation in aqueous solution

被引：89

作者：

Baussard, JF

Habib-Jiwan, JL

Laschewsky, A

Mertoglu, M

Storsberg, J

机构：

[1] Fraunhofer Inst Angew Polymerforschung FhG IAP, D-14476 Potsdam, Germany

[2] Univ Catholique Louvain, Dept Chem, B-1348 Louvain, Belgium

[3] Univ Potsdam, Inst Chem, D-14415 Potsdam, Germany

来源：

POLYMER | 2004年 / 45卷 / 11期

关键词：

reversible addition fragmentation chain transfer polymer synthesis; polyelectrolytes;

D O I：

10.1016/j.polymer.2004.03.081

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

New chain transfer agents for free radical polymerisation via reversible addition-fragmentation chain transfer (RAFT) were synthesised that are particularly suited for aqueous solution polymerisation. The new compounds bear dithioester and trithiocarbonate moieties as well as permanently ionic groups to confer solubility in water. Their stability against hydrolysis was studied, and compared with the one of a frequently employed water-soluble RAFT agent, using UV-Vis-spectroscopy and H-1-NMR measurements. An improved resistance to hydrolysis was found for the new RAFT agents compared to the reference one, providing good stabilities in the pH range between 1 and 8, and up to temperatures of 70 degreesC. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：3615 / 3626

页数：12

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