STUDIES ON THE KINETICS OF THE POLYMERIZATION OF ACRYLAMIDE INITIATED BY CERIC ION/ALKYL PHENYL-CARBAMATE AND ALKYL 4-METHYLPHENYL-CARBAMATE SYSTEMS

WANG Wei; Sun Yan-hui; SONG Ye; QIU Kun-yuan; FENG Xin-de

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STUDIES ON THE KINETICS OF THE POLYMERIZATION OF ACRYLAMIDE INITIATED BY CERIC ION/ALKYL PHENYL-CARBAMATE AND ALKYL 4-METHYLPHENYL-CARBAMATE SYSTEMS

Research Article | 更新时间：2021-03-19

- STUDIES ON THE KINETICS OF THE POLYMERIZATION OF ACRYLAMIDE INITIATED BY CERIC ION/ALKYL PHENYL-CARBAMATE AND ALKYL 4-METHYLPHENYL-CARBAMATE SYSTEMS
- Acta Polymerica Sinica Issue 2, Pages: 213-220(1990)
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- Published：20 April 1990，
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WANG Wei, Sun Yan-hui, SONG Ye, QIU Kun-yuan, FENG Xin-de. STUDIES ON THE KINETICS OF THE POLYMERIZATION OF ACRYLAMIDE INITIATED BY CERIC ION/ALKYL PHENYL-CARBAMATE AND ALKYL 4-METHYLPHENYL-CARBAMATE SYSTEMS. [J]. Acta Polymerica Sinica (2):213-220(1990)
DOI：

WANG Wei, Sun Yan-hui, SONG Ye, QIU Kun-yuan, FENG Xin-de. STUDIES ON THE KINETICS OF THE POLYMERIZATION OF ACRYLAMIDE INITIATED BY CERIC ION/ALKYL PHENYL-CARBAMATE AND ALKYL 4-METHYLPHENYL-CARBAMATE SYSTEMS. [J]. Acta Polymerica Sinica (2):213-220(1990) DOI：

摘要

本文对铈离子与苯基氨基甲酸酯类化合物在H2O-CH3CN(3∶1

V/V)及H2O-HCONH2(1∶2

V/V)两种介质中引发丙烯酰胺的聚合进行了研究。考察了不同结构的苯基氨基甲酸酯对聚合的影响。苯基氨基甲酸酯类化合物对铈离子引发聚合均有促进作用

其中对-甲苯基氨基甲酸酯的促进作用最为显著。测定了聚合反应表现活化能及聚合动力学方程

并提出了聚合反应机理。

Abstract

The Kinetics of polymerization of acrylamide (AAM) initiated by eerie ion-alkyl phenylcarbamate and eerie ion-alkyl 4-methylphenylcarbamate redox systems in the temperature rang of 20-40℃ has been investigated. It was found that eeric ion coupled with alkyl 4-methylphenylcarbamate was a very effective initiating system for the polymerization of AAM. The overall activation energy of polymerization and the rate equations of polymerization were determined. A initiation mechanism involving the formation of a complex between Ce4+ and alkyl phenylcarbamate whose decomposition yields the initiating free radical has been sugested.

关键词

丙烯酰胺氧化还原引发体系铈离子氨基甲酸酯聚合速度方程聚合表观活化能

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