Synthesis of amphiphilic star-shaped block copolymers through photo-induced metal free atom transfer radical polymerization

被引：11
|
作者：
Yin, Xiuzhe [1 ]
Wang, Linan [1 ]
Zhang, Xiaomeng [1 ]
Zhao, Haitao [1 ]
Cui, Zhe [1 ]
Fu, Peng [1 ]
Liu, Minying [1 ]
Pang, Xinchang [1 ]
Qiao, Xiaoguang [1 ]
机构：
[1] Zhengzhou Univ, Sch Mat Sci & Engn, Henan Joint Int Res Lab Living Polymerizat & Func, Henan Key Lab Adv Nylon Mat & Applicat, Zhengzhou 450001, Peoples R China
来源：
EUROPEAN POLYMER JOURNAL | 2020年 / 126卷
基金：
美国国家科学基金会; 国家重点研发计划;
关键词：
Photo-induced ATRP; Star-shaped block copolymers; Precisely size control; CdSe quantum dots; RAFT POLYMERIZATION; POLYMERS; KINETICS; WATER; CORE;
D O I：
10.1016/j.eurpolymj.2020.109557
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Photo-induced metal free ATRP method was employed for the synthesis of star-shaped polymers. By using 21-Br-beta-CD as the macroinitiator, 10-phenylphenothiazine as the photoredox catalyst, star-shaped PtBA homopolymers were synthesized. The photo-induced ATRP displayed all the characteristics of controlled/living polymerization systems and the good light control over the polymerization process. The successful chain extension with MMA demonstrated the high livingness of PtBA "arms" and good controllability of the Photo-induced metal free ATRP. Finally, the achieved PtBA-b-PMMA star-shaped copolymers were used as templates for the preparation of precisely size-tunable CdSe quantum dots after a simple hydrolyzing process.
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页数：6
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