SYNTHESIS AND FREE RADICAL POLYMERIZATION OF NEW SPIROCYCLIC MONOMER

WANG Hong; LU Jiantao; FENG Pinzhen

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SYNTHESIS AND FREE RADICAL POLYMERIZATION OF NEW SPIROCYCLIC MONOMER

Research Bulletin | 更新时间：2021-03-19

- SYNTHESIS AND FREE RADICAL POLYMERIZATION OF NEW SPIROCYCLIC MONOMER
- Acta Polymerica Sinica Issue 5, Pages: 578-581(1997)
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- Published：20 October 1997，
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WANG Hong, LU Jiantao, FENG Pinzhen. SYNTHESIS AND FREE RADICAL POLYMERIZATION OF NEW SPIROCYCLIC MONOMER. [J]. Acta Polymerica Sinica (5):578-581(1997)
DOI：

WANG Hong, LU Jiantao, FENG Pinzhen. SYNTHESIS AND FREE RADICAL POLYMERIZATION OF NEW SPIROCYCLIC MONOMER. [J]. Acta Polymerica Sinica (5):578-581(1997) DOI：

摘要

新型螺环单体的合成和自由基聚合反应的研究王宏鲁剑涛冯品珍（中国科学技术大学研究生院化学部北京１０００３９）关键词自由基聚合

新单体合成

螺环单体

自由基共聚虽然离子型开环聚合早已为人熟知

但是自由基开环聚合反应的研究和应用开发还刚刚起步．１９６１年Ｅｒｅｅｄｅ［１］发现邻二甲苯二聚体经自由基开环聚合生成聚邻二甲苯

芳香化是开环聚合的动力．１９６８年Ｔａｋａｈａｓｈｉ［２］利用三元?

Abstract

A new type of monomer

2 methylen 1

4 dioxo dispiro[4

2] pentadecane was prepared through a series of organic reactions from simple commercial materials. This spirocyclic monomer could undergo free radical ring opening polymerization at 120 ℃ with BPO as initiator. The driving force for ring opening was the relief of the strain at the central spiro atom as well as the formation of stable carbonyl group. However

it copolymerized with MMA at the same condition without any ring opening. The structures of the monomer

resulting polymer and copolymer were determined by IR

NMR and MS.Molecular weight and its distribution of the polymers were estimaited by GPC.

关键词

自由基聚合新单体合成螺环单体自由基共聚

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Beijing National Laboratory for Molecular Sciences,Key Laboratory of Polymer Chemistry and Physics of Ministry of Education,College of Chemistry and Molecular Engineering,Peking University

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