ABA型两亲嵌段共聚物的合成及表征; Syntheses and characterization of ABA type amphiphilic block copolymers | |
袁金颖 ; 魏高原 ; 王延梅 ; 潘才元 | |
2001 | |
关键词 | 原子转移自由基聚合 两亲嵌段共聚物 活性聚合 atom transfer radical polymerization (ATRP) amphiphilic block copolymer living polymerization |
英文摘要 | 以α ,α′ 二溴代二甲苯为引发剂 ,CuBr/2 ,2′ 联吡啶为催化体系 ,制备了双溴端基的分子量分布窄的聚苯乙烯 (MWD =1 18) .再以此作为大分子引发剂 ,实现了甲基丙烯酸对硝基苯酯的原子转移自由基聚合 ,制得了分子量可控且分子量分布窄的ABA型嵌段共聚物 ,再经水解、酸化 ,得到了聚甲基丙烯酸 b 聚苯乙烯 b 聚甲基丙烯酸ABA型两亲嵌段共聚物; Atom transfer radical polymerization (ATRP) is a kind of useful method for the realization of living polymerization and syntheses of block copolymers. Polystyrene double-caped with bromine (MWD = 1.18), Br-PSt-Br, was synthesized by ATRP method using alpha, alpha'-dibromoxylene as initiator and CuBr/2,2-bipyridine as catalyse, and ligand at 110 degreesC. Then using the Br-PSt-Br as difunctional macromolecular initiator, ATRP of p-nitrophenyl methacrylate (NPMA) was realized and ABA type block copolymers, PNPMA-b-PSt-b-PNPMA, were synthesized. After hydrolyzation and acidition, amphiphilic ABA type block copolymers of methyl methacrylic acid and styrene, PMAA-b-PSt-b-PMAA, were prepared.; SCI(E); 中文核心期刊要目总览(PKU); 中国科学引文数据库(CSCD); 6; 05; 625-628 |
语种 | 中文 |
出处 | 万方 ; 知网 ; SCI |
出版者 | 高分子学报 |
内容类型 | 其他 |
源URL | [http://hdl.handle.net/20.500.11897/78412] |
专题 | 化学与分子工程学院 |
推荐引用方式 GB/T 7714 | 袁金颖,魏高原,王延梅,等. ABA型两亲嵌段共聚物的合成及表征, Syntheses and characterization of ABA type amphiphilic block copolymers. 2001-01-01. |
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