Hydrophobicity of fluoro-containing physical crosslinkage domains in hydrophobically modified poly(acrylic acid) gels

被引：3
|
作者：
Tian, Q
Zhao, X
Tang, XZ
Zhang, YX
机构：
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Organ Chem, Dept Polymer Sci, Shanghai 200032, Peoples R China
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2002年 / 40卷 / 12期
关键词：
hydrogels; hydrophobic association; FTIR; fluorescence;
D O I：
10.1002/polb.10182
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A series of hydrophobically modified poly(acrylic acid) gels were prepared by the radical copolymerization of acrylic acid and small amounts of hydrophobic comonomers, 2-(N-ethylperfluorooctane-sulfoamido)ethyl methacrylate and lauryl acrylate, in tert-butanol. The effects of the fractions and species of hydrophobes on hydrophobic association were determined. The hydrophobic association within the hydrophobically modified gels was proven with measurements of swelling and fluorescence as well as Fourier transform infrared spectroscopy. Fluorocarbon-modified hydrogels showed stronger hydrophobicity than hydrocarbon-modified hydrogels. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码：1236 / 1244
页数：9
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