POLYMERIZATION OF PROPYLENE-OXIDE CATALYZED BY FIXED ALUMINUM PORPHYRIN

被引：18

作者：

UNO, H

TAKATA, K

MIZUTANI, Y

机构：

[1] Tokuyama Soda Co., Ltd., Tokuyama-city, 745

来源：

REACTIVE POLYMERS | 1991年 / 15卷

关键词：

ALUMINUM PORPHYRIN; FIXED CATALYST; IMMORTAL POLYMERIZATION; PROPYLENE OXIDE;

D O I：

10.1016/0923-1137(91)90155-H

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Aluminum tetraphenylporphyrin was anchored onto polystyrene cross-linked with divinylbenzene ((P)-R-OTPPAl-X). (P)-R-OTPPAl-X behaves as an initiator for the polymerization of propylene oxide (PO) to give poly(propylene oxide) (polyPO) with narrow molecular weight distribution in the presence of alcohols. (P)-R-OTPPAl-X can be easily separated from the polymerization mixture by filtration, and then used again without any further treatment. The effects of the spacer length (carbon number of R) and the degree of cross-linking of the supports were also studied in relation to the catalytic activity.

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页码：121 / 129

页数：9

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