PHASE-TRANSFER-CATALYZED CHLORINATION OF POLY(4-METHYLSTYRENE) BY HYPOCHLORITE

被引：14

作者：

JONES, RG

MATSUBAYASHI, Y

机构：

[1] University Chemical Laboratory, University of Kent at Canterbury, Canterbury

来源：

POLYMER | 1990年 / 31卷 / 08期

关键词：

chlorination; phase-transfer-catalysis; poly(4-methylstyrene); polychloromethylstyrene;

D O I：

10.1016/0032-3861(90)90160-Z

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The effects of variation of the conditions of phase-transfer-catalysed chlorination of poly(4-methylstyrene) using sodium hypochlorite in chloroform/dichloromethane mixtures are investigated. When the reaction is carried out at an aqueous phase pH of 8.5 and using a chloroform-rich organic phase, chlorination is predominantly at the 4-methyl substituent and di-/trichlorination and concomitant modification of the molecular-weight distribution of the polymer are minimal. Kinetic mechanisms compatible with the experimental observations are proposed. © 1990.

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页码：1519 / 1525

页数：7

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