ATOM TRANSFER RADICAL COPOLYMERIZATION OF STYRENE AND BUTYL METHACRYLATE

ZOU Yousi; QIU Zhiping; ZHUANG Rongchuan; LIN Donghai; DAI Lizong

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ATOM TRANSFER RADICAL COPOLYMERIZATION OF STYRENE AND BUTYL METHACRYLATE

Research Article | 更新时间：2021-03-19

- ATOM TRANSFER RADICAL COPOLYMERIZATION OF STYRENE AND BUTYL METHACRYLATE
- Acta Polymerica Sinica Issue 2, Pages: 146-150(1999)
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- Published：20 April 1999，
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ZOU Yousi, QIU Zhiping, ZHUANG Rongchuan, LIN Donghai, DAI Lizong. ATOM TRANSFER RADICAL COPOLYMERIZATION OF STYRENE AND BUTYL METHACRYLATE. [J]. Acta Polymerica Sinica (2):146-150(1999)
DOI：

ZOU Yousi, QIU Zhiping, ZHUANG Rongchuan, LIN Donghai, DAI Lizong. ATOM TRANSFER RADICAL COPOLYMERIZATION OF STYRENE AND BUTYL METHACRYLATE. [J]. Acta Polymerica Sinica (2):146-150(1999) DOI：

摘要

研究了甲基丙烯酸丁酯（ＢＭＡ）和苯乙烯（Ｓ）这两种不同极性单体的原子转移自由基嵌段共聚和无规共聚

得到了实测分子量与理论分子量相近

分子量分布较窄的嵌段共聚物和无规共聚物．聚合过程中分子量和单体转化率成比例增加

多分散性指数变化不大．用１Ｈ-ＮＭＲ法测定共聚组成

Ｋｅｌｅｎ-Ｔｕｄｏｓ法计算竞聚率．得到ｒＳｔ＝０.９１

ｒＢＭＡ＝０.３２．

Abstract

This paper describes the application of atom transfer radical polymerization for the synthesis of controlled copolymer of styrene and butyl methacrylate by using 1 phenylethyl chloride (1PECl)

CuCl and bipyridine in a mole ratio of 1∶1∶2 at 130℃. The block copolymers of butyl methacrylate(BMA) and styrene(S) with predicted molecular weight (1×104～4×104) and narrower molecular weight distribution (1.1～1.5) were obtained.The random copolymer compositions were determined by 1H-NMR spectroscopy and the reactivity ratios

γSt=0.91

γBMA=0.32

were evaluated by the extended Kelen-Tudos method.It was found that St is more reactive than BMA in atom transfer radical copolymerization.

关键词

原子转移自由基聚合嵌段共聚无规共聚

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

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