HEAD-TO-HEAD POLYMERS .24. SYNTHESIS OF HEAD-TO-HEAD POLYISOBUTYLENE BY GRIGNARD COUPLING REACTION

被引：14
|
作者：
MALANGA, M
VOGL, O
机构：
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1983年 / 21卷 / 09期
关键词：
ORGANIC COMPOUNDS - Synthesis - POLYMERS - Physical Properties;
D O I：
10.1002/pol.1983.170210903
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Head-to-head polyisobutylene of molecular weight 3000 to 10,000 was prepared in about 30% yield by Grignard coupling polymerization of 2,2,3,3-tetramethyl-1,4-dibromobutane with copper(I) tris(triphenylphosphino)bromide as the catalyst. The polymers were characterized and compared to the corresponding head-to-tail polymers of similar molecular weight. A substantial portion of the reaction product of the Grignard coupling polymerization was not polymeric but was identified as the cyclized product, 1,1,2,2-tetramethylcyclobutane.
引用
收藏
页码：2629 / 2648
页数：20
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