PYRAZOLONE AZOMETHINE DYES AS EFFECTIVE PHOTOINITIATORS OF FREE-RADICAL POLYMERIZATION

被引：21
|
作者：
KUCYBALA, Z [1 ]
PACZKOWSKI, J [1 ]
机构：
[1] TECH & AGR UNIV,DEPT CHEM & CHEM ENGN,SEMINARYJNA 3,PL-85326 BYDGOSZCZ,POLAND
来源：
POLYMER | 1993年 / 34卷 / 07期
关键词：
DYE INITIATING SYSTEM; PYRAZOLONE AZOMETHINE DYES;
D O I：
10.1016/0032-3861(93)90883-C
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new class of free radical photoinitiators based on pyrazolone azomethine dyes has been investigated. Results show that the free radical formation occurs via intermolecular electron transfer. Changes in the dye structures are translated into changes in the rate of polymerization. Dyes which have electron withdrawing substituents initiate the free radical polymerization more readily than those with electron releasing groups. The introduction of heavy atoms into the dye molecule decreases the rate of initiation of free radical polymerization.
引用
收藏
页码：1558 / 1560
页数：3
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