INVESTIGATION OF THE ELECTROCATALYSED STEP POLYMERIZATION OF SOLUBLE POLY(N-ALKYL-3,6-CARBAZOLYLENE)S

被引：5

作者：

FAID, K ^{[1
]}

SIOVE, A ^{[1
]}

ADES, D ^{[1
]}

CHEVROT, C ^{[1
]}

机构：

[1] UNIV PARIS 13,RECH MACROMOLEC LAB,CNRS,UNITE ASSOCIEE,F-93430 VILLETANEUSE,FRANCE

来源：

POLYMER | 1993年 / 34卷 / 18期

关键词：

ELECTROCATALYSIS; STEP POLYMERIZATION; POLY(N-ALKYLCARBAZOLE)S;

D O I：

10.1016/0032-3861(93)90519-G

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Simultaneous gp.c. and cyclic voltammetry measurements were carried out in the course of the electrocatalysed polymerization of various 3,6-dibromo(N-alkylcarbazole)s. The evolution of the molar mass population distribution as a function of the electrolysis time reveals a step polymerization process, while showing a termination of the chain growth due to the occurrence of monobrominated species. The consumption of the catalytic species corresponds in a first step to an increase in the chain length, while after given periods there is no more chain growth related to the continuous consumption of the catalytic precursor. The study of the effect of the initial [monomer]/[catalyst] ratio on the molar mass population evolution indicates that the coupling of Ni(0)-activated species is responsible for the chain growth.

引用

页码：3911 / 3916

页数：6

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