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苯乙烯的RAFT聚合及嵌段共聚物的合成
Reversible Addition-fragmentation Chain Transfer Polymerization of Styrene and Synthesis of Derived Block Copolymer

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苯乙烯的RAFT聚合及嵌段共聚物的合成.pdf (616.7Kb)
Date
2012-03
Author
吕耕敏
蒲珏文
洪阿乐
尚明屹
郑延清
黄莺
邹友思
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  • 化学化工-已发表论文 [14469]
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Abstract
[中文文摘]用三硫代碳酸双(α,α′-二甲基-α″-乙酸)酯作为可逆加成-断裂链转移(RAFT)聚合的链转移剂,制备了一系列具有不同相对分子质量,且相对分子质量分布较窄的聚苯乙烯均聚物.以得到的末端冠有链转移剂活性基团的聚苯乙烯作为大分子链转移剂,与丙烯酸乙酯(EA),丙烯酸丁酯(BA),甲基丙烯酸乙酯(EMA)和甲基丙烯酸丁酯(BMA)4种单体分别进行嵌段聚合反应;通过一步投料,合成了聚苯乙烯-聚(甲基)丙烯酸酯类的两亲性三嵌段共聚物.使用凝胶渗透色谱(GPC)、1 H-NMR对共聚物进行表征. [英文文摘]Polystyrene was  polymerized through using the S,S′-bis(R,R′-dimethylacetic acid)trithiocarbonate  as reversible additionfragmentation  chain transfer(RAFT)agents.The synthesized polystyrene had various controlled  molecular weight and narrow molecular  weight distribution.A series of different amphiphilic triblock copolymers were respectively synthesized with the addition of ethyl acrylate,butyl acrylate,ethyl methacrylate and butyl methacrylate.During the synthesis of triblock copolymers,the above obtained polystyrene was used as macromolecular RAFT agent.The derived poly(methy)acrylate block polystyrene block poly(methy) acrylate copolymers were characterized by GPC and 1 H-NMR.
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通信作者:yszou@xmu.edu.cn
Citation
厦门大学学报(自然科学版) ,2012,51(2):235-240
URI
https://dspace.xmu.edu.cn/handle/2288/14525

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