ANIONIC COPOLYMERIZATION AND CHARACTERIZATION OF POLY(BUTADIENE)-BLOCK-POLY(METHYLMETHACRYLATE) COPOLYMER

ZHOU Qingye; ZHANG Banghua; SONG Moudao; HAO Guangjie; HE Binglin

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ANIONIC COPOLYMERIZATION AND CHARACTERIZATION OF POLY(BUTADIENE)-BLOCK-POLY(METHYLMETHACRYLATE) COPOLYMER

Research Article | 更新时间：2021-03-19

- ANIONIC COPOLYMERIZATION AND CHARACTERIZATION OF POLY(BUTADIENE)-BLOCK-POLY(METHYLMETHACRYLATE) COPOLYMER
- Acta Polymerica Sinica Issue 1, Pages: 41-46(1996)
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- Published：20 February 1996，
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ZHOU Qingye, ZHANG Banghua, SONG Moudao, HAO Guangjie, HE Binglin. ANIONIC COPOLYMERIZATION AND CHARACTERIZATION OF POLY(BUTADIENE)-BLOCK-POLY(METHYLMETHACRYLATE) COPOLYMER. [J]. Acta Polymerica Sinica (1):41-46(1996)
DOI：

ZHOU Qingye, ZHANG Banghua, SONG Moudao, HAO Guangjie, HE Binglin. ANIONIC COPOLYMERIZATION AND CHARACTERIZATION OF POLY(BUTADIENE)-BLOCK-POLY(METHYLMETHACRYLATE) COPOLYMER. [J]. Acta Polymerica Sinica (1):41-46(1996) DOI：

摘要

讨论了用阴离子方法进行了二烯与甲基丙烯酸甲酯共聚合的过程

并用ＧＰＣ、ＦＴＩＲ、ＮＭＲ和动态粘弹谱对共聚物进行了表征．证明所得聚合物为具有较高分子量、窄分布的二嵌段共聚物．

Abstract

The known structure block copolymers could be obtained through anionic polymerization if the solvents and monomers were purified rigorously.This paper described the procedure about the synthesis of poly(butadiene)-block-poly (methyl methacrylate)copolymers.The polarity of solvents used for polymerization affects drastically the tacticity of polybutadiene.As the butadiene polymerized in THF instal of benzene

its Tg increases from -67℃ to -20℃.The results from the characterization of GPC

FTIR

NMR and DMA demonstrated taht the polymers obtained were block copolymers with contents more than 80% 1

4polybutadiene and 70% syndiotactic PMMA.

关键词

阴离子聚合丁二烯－甲基丙烯酸甲酯共聚物嵌段共聚物溶剂极性

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Guangzhou Institute of Chemistry, Chinese Academy of Sciences

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