Atom transfer radical polymerization of N-isopropylacrylamide

被引：243
|
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
收藏
页码：559 / 564
页数：6
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