Synthesis and Solvent-Dependent Micellization of the Amphiphilic Block Copolymer Poly(styreneboronic acid)-block-Polystyrene

被引:32
|
作者
Cui, Chengzhong [1 ]
Bonder, Edward M. [2 ]
Qin, Yang [1 ]
Jaekle, Frieder [1 ]
机构
[1] Rutgers State Univ, Dept Chem, Newark, NJ 07102 USA
[2] Rutgers State Univ, Dept Biol Sci, Newark, NJ 07102 USA
基金
美国国家科学基金会;
关键词
amphiphiles; ATRP; block copolymers; boronic acids; free radical polymerization; inorganic polymers; micellization; stimuli-responsive polymers; RADICAL POLYMERIZATION; N-ISOPROPYLACRYLAMIDE; FUNCTIONALIZED POLYMERS; TERNARY-SYSTEM; GLUCOSE; BEARING; NUCLEOTIDE; KINETICS; CHAIN; POLYSTYRENE;
D O I
10.1002/pola.24014
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 amphiphilic organoboron block copolymer poly (styreneboronic acid)-block-polystyrene (PSBA-b-PS) has been prepared through a postpolymerization modification route from the silicon-functionalized block copolymer poly(4-trimethylsilylstyrene)-block-polystyrene (PSSi-b-PS). PSBA-b-PS is obtained through highly selective reaction of PSSi-b-PS with BBr3 at room temperature and subsequent hydrolysis of the BBr2-functionalized intermediate. Transmission electron microscopy studies demonstrate that PSBA-b-PS undergoes pH dependent micellization in aqueous solution. Different morphologies could be realized by using different mixtures of water and organic solvents. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 2438-2445, 2010
引用
收藏
页码:2438 / 2445
页数:8
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