Atom transfer radical polymerization of N-isopropylacrylamide

被引：242

作者：

Masci, G ^{[1
]}

Giacomelli, L ^{[1
]}

Crescenzi, V ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dept Chem, I-00185 Rome, Italy

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2004年 / 25卷 / 04期

关键词：

atom transfer radical polymerization (ATRP); block copolymers; poly(N-isopropylacrylamide);

D O I：

10.1002/marc.200300140

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Controlled polymerization of N-isopropylacrylamide (NIPAAM) was achieved by atom transfer radical polymerization (ATRP) using ethyl 2-chloropropionate (ECP) as initiator and CuCl/tris(2-dimethylaminoethyl)-amine (Me6TREN) as a catalytic system. The polymerization was carried out in DMF:water 50:50 (v/v) mixed solvent at 20degreesC. The first order kinetic plot was linear up to 92% conversion. Controlled molecular weights up to 2.2 x 10(4) and low polydispersities (1.19) were obtained. The living character of the polymerization was also demonstrated by self-blocking experiments. Block copolymers with N,N-dimethylacrylamide (DMAAM) and 3-sulfopropyl methacrylate (SPMA) were successfully prepared.

引用

页码：559 / 564

页数：6

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