IMMORTAL POLYMERIZATION - POLYMERIZATION OF EPOXIDE AND BETA-LACTONE WITH ALUMINUM PORPHYRIN IN THE PRESENCE OF PROTIC COMPOUND

被引：120

作者：

AIDA, T ^{[1
]}

MAEKAWA, Y ^{[1
]}

ASANO, S ^{[1
]}

INOUE, S ^{[1
]}

机构：

[1] UNIV TOKYO,FAC ENGN,DEPT SYNTHET CHEM,BUNKYO KU,TOKYO 113,JAPAN

来源：

MACROMOLECULES | 1988年 / 21卷 / 05期

关键词：

ALUMINUM CHLORIDE - ALUMINUM PORPHYRINS - CARBOXYLIC ACID - HYDROGEN CHLORIDE;

D O I：

10.1021/ma00183a001

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Ring-opening polymerization of epoxides with aluminum porphyrin ((TPP)AlX (1); TPP represents 5,10,15,20-tetraphenylporphinato) as initiator gave polymers with narrow molecular weight distribution even in the presence of protic compounds such as hydrogen chloride, carboxylic acids, alcohols, and water. Similarly, the polymerization of beta -lactones with (TPP)AlX could not be terminated by hydrogen chloride or carboxylic acids. In these polymerization reactions, the number of polymer molecules could be increased with the amount of protic compound added, retaining narrow molecular weight distribution. These results are much different from 'living' polymerization, and a new concept of 'immortal' polymerization is presented.

引用

页码：1195 / 1202

页数：8

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