3-Ethylated N-Vinyl-2-pyrrolidone with LCST Properties in Water

被引：21

作者：

Trellenkamp, Taina ^{[1
]}

Ritter, Helmut ^{[1
]}

机构：

[1] Univ Dusseldorf, Inst Organ Chem & Makromol Chem, Lehrstuhl Praparat Polymerchem, D-40225 Dusseldorf, Germany

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2009年 / 30卷 / 20期

关键词：

3-ethyl-1-vinyl-2-pyrrolidone; hydrophihc polymers; LCST; stimuli-sensitive polymers; N-vinyl-2-pyrrolidone (NVP); PHASE-BEHAVIOR; POLY(N-VINYLCAPROLACTAM); CYCLODEXTRIN; TEMPERATURE; COPOLYMERS; POLYMERS; RELEASE;

D O I：

10.1002/marc.200900250

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The monomer 3-ethyl-1-vinyl-2-pyrrolidone (3) and the homopolymer poly(3-ethyl-1-vinyl-2-pyrrolidone) (5) have been synthesized. Polymer 5 is soluble in water and shows a critical temperature (T-c) of 27 degrees C. The presence of cyclodextrin causes a slight shift of the T-c. The lower critical solution temperature (LCST) could be varied between 27 and 40 degrees C by copolymerization with N-vinyl-2-pyrrolidone. A linear correlation between the T-c and the copolymer composition is observed.

引用

页码：1736 / 1740

页数：5

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