SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE

LIU Bing; HU Chunpu

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SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE
- Acta Polymerica Sinica Issue 1, Pages: 47-52(2002)
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- Published：20 February 2002，
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LIU Bing, HU Chunpu. SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE. [J]. Acta Polymerica Sinica (1):47-52(2002)
DOI：

LIU Bing, HU Chunpu. SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE. [J]. Acta Polymerica Sinica (1):47-52(2002) DOI：

摘要

通过苯乙烯 (St)与 4-对氯甲基苯乙烯(CMS)进行氮氧稳定自由基共聚合反应

合成了二元共聚物P(St-co-CMS)

并以此共聚物引发丙烯酸丁酯进行原子转移自由基聚合

成功地合成了结构明晰的以聚苯乙烯为主链、聚丙烯酸丁酯为支链的接枝共聚物

研究了共聚合反应动力学.P(St-co-CMS)和接枝共聚物的结构通过1H-NMR得到确认

并表征了接枝共聚物平均侧链数目和平均侧链长度.

Abstract

A well-defined graft copolymer of styrene(St) and n-butyl acrylate(BA) was synthesized by atom transfer radical polymerization(ATRP) with the copolymer of styrene and chloromethyl stryrene as macroinitiator

which was first synthesized by the nitroxide-mediated copolymerization of St and 4-chloromethyl styrene (CMS) at 130℃ with benzoyl peroxide／4-hydro TEMPO as initiator．The kinetics of the two kinds of “living”／controlled polymerization were also studied．These copolymers

i．e．P(St-co-CMS) and P(St-g-BA)

were characterized by means of GPC

DSC and 1H-NMR

respectively．The average graft number and length of side chains for such a kind of graft copolymer were defermined．

关键词

氮氧稳定自由基聚合原子转移自由基聚合接枝共聚物苯乙烯4对氯甲基苯乙烯丙烯酸丁酯

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Department of Applied Chemistry,School of Science,Northwestern Polytechnical University

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