Novel fluorosilicone triblock copolymers prepared by two-step RAFT polymerization: Synthesis, characterization, and surface properties

被引：30
|
作者：
Guan, Cheng-Mei [1 ]
Luo, Zheng-Hong [1 ]
Qiu, Jing-Jing [1 ]
Tang, Pei-Ping [1 ]
机构：
[1] Xiamen Univ, Dept Chem & Biochem Engn, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China
来源：
EUROPEAN POLYMER JOURNAL | 2010年 / 46卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Triblock copolymers; PDMS-b-PHFBMA-b-PS; RAFT polymerization; Microphase-separated structure; Controlled manner; RADICAL POLYMERIZATION; MOLECULAR-WEIGHT; BLOCK; PERFLUOROALKYL; ARCHITECTURES; XANTHATES; POLYMERS; ENERGY; MADIX;
D O I：
10.1016/j.eurpolymj.2010.04.003
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Well-defined poly(dimethylsiloxane)-b-poly(2,2,3,3,4,4,4-heptafluorobutyl methacrylate-b-poly(styrene) (PDMS-b-PHFBMA-b-PS) triblock copolymers were prepared by two-step reversible addition-fragmentation chain transfer (RAFT) polymerization. The two-step RAFT polymerization proceeded in a controlled manner as demonstrated by the macromolecular characteristics of the blocks and corresponding polymerization kinetic data. Furthermore, surface properties and morphologies of the polymers were investigated with static water contact angle (WCA) measurement, X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM) and atomic force microscopy (AFM) which showed low surface energy and microphase-separation surfaces. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1582 / 1593
页数：12
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