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
收藏
页码：1736 / 1740
页数：5
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