Synthesis and self-assembly of amphiphilic carbosilane polymers

被引：0
|
作者：
Matsumoto, K [1 ]
Matsuoka, H [1 ]
Yamaoka, H [1 ]
机构：
[1] Kyoto Univ, Dept Polymer Chem, Kyoto 6068501, Japan
来源：
KOBUNSHI RONBUNSHU | 2001年 / 58卷 / 04期
关键词：
silacyclobutane; ring-opening polymerization; living polymerization; polycarbosilane; amphiphilic block copolymer; self-assembly; polymer micelle; monolayer; small-angle X-ray scattering; X-ray reflectivity;
D O I：
10.1295/koron.58.161
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Synthetic method of amphiphilic polycarbosilanes and their self-assembly in solution or at the air-water interface were investigated. It was found that ring-opening polymerizations of silacyclobutane derivatives were useful techniques to obtain well-defined amphiphilic polycarbosilanes. It was also found that the amphiphilic polymers formed micelles in selective solvents and monolayer films at air-water interface. Topics are (1) living anionic polymerization of 1,1-dialkylsilacyclobutanes, (2) block copolymer synthesis by means of a living polymerization of 1,1-diethylsilacyclobutane, (3) small-angle X-Ray scattering (SAXS) analysis of micelles formed by poly (1,1-diethylsilacyclobutane-block-2-hydroxyethyl methacrylate) in solution, (4) X-Ray reflectivity (XR) analysis of monolayers formed by poly (1,1-diethylsilacyclobutane-block-2-hydroxyethyl methacrylate) at water surface, (5) synthesis of poly(styrene-block-3-hydroxymethyl-1,1-dimethylsilacyclobutane) by using polymerization of 3-methylenesilacyclobutane and SAXS analysis of its micelle formation, and (6) synthesis of poly (silacyclobutane-graft-ethylene oxide), and SAXS analysis of its solution behavior.
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页码：161 / 170
页数：10
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