Polymerization of cyclic monomers .2. Synthesis and radical polymerization of vinylcyclopropanes

被引：22

作者：

Zeuner, F ^{[1
]}

Moszner, N ^{[1
]}

Rheinberger, V ^{[1
]}

机构：

[1] IVOCLAR AG,FL-9494 SCHAAN,LIECHTENSTEIN

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 1996年 / 197卷 / 09期

关键词：

D O I：

10.1002/macp.1996.021970912

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

New 1,1-disubstituted 2-vinylcyclopropanes were synthesized by reaction of the corresponding malonyl diesters with trans-1,4-dibromo-2-butene and of sodium hydride. The structure of the 2-vinylcyclopropanes could be confirmed by elemental analysis, IR, H-1 NMR and C-13 NMR spectroscopy. Radical polymerization of the 2-vinylcyclopropanes in bulk with 2,2'-azoisobutyronitrile (AIBN) and di-tert-butyl peroxide (DtBPO), respectively, gives transparent polymers. In case of the liquid monomers, the polymerization is accompanied by negative volume changes. Spectroscopic investigations show that 2-vinylcyclopropanes primarily undergo opening of the cyclopropane ring forming an 1,5-addition polymer.

引用

页码：2745 / 2752

页数：8

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