Living cationic polymerization of δ-valerolactone and synthesis of high molecular weight homopolymer and asymmetric telechelic and block copolymer

被引：94

作者：

Lou, XD ^{[1
]}

Detrembleur, C ^{[1
]}

Jérôme, R ^{[1
]}

机构：

[1] Univ Liege, Ctr Educ & Res Macromol, B-4000 Liege, Belgium

来源：

MACROMOLECULES | 2002年 / 35卷 / 04期

关键词：

D O I：

10.1021/ma0113677

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly(delta-valerolactone) [poly(deltaVL)] of high molecular weight (similar to40 000) and low polydispersity index (similar to1.05) was prepared by activated monomer cationic ring-opening polymerization of delta-VL initiated by the alcohol/HCl.Et2O system. A series of functional alcohols, e.g., 9-anthracenemethanol, 2-hydroxyethyl acrylate, 3-buten-1-ol, 2-bromoethanol, and 5-norbornene-2-metbanol, were successfully used to prepare asymmetric telechelic poly(deltaVL), i.e., chains end-capped by the functional group of the alcohol in a-position and by an w-hydroxyl group. Ring-opening polymerization of delta-VL in the presence of alpha-methoxy-w-hydroxylpoly(ethylene oxide) and poly(ethylene glycol) led to amphiphilic di- and triblock copolymers, respectively. The polydispersity index of all these (co)polymers was low (similar to1.10).

引用

页码：1190 / 1195

页数：6

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