STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION

QIU Kunyuan; GUO Xinqiu; ZHANG Dong; FENG Xinde

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STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION

Papers | Updated：2021-06-21

- STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION
- STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION
- 高分子科学（英文版） 1991年9卷第2期页码：145-150
- Affiliations：
  
  1. Department of Chemistry, Peking University,Beijing
  2. Peking University
  3. Beijing
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：1991-06-20
- Accepted：
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[1]丘坤元,郭新秋,张东,冯新德.STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION[J].Chinese Journal of Polymer Science,1991,{4}(02):145-150.

QIU Kunyuan, GUO Xinqiu, ZHANG Dong, et al. STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION[J]. 1991, 9(2): 145-150.
[1]丘坤元,郭新秋,张东,冯新德.STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION[J].Chinese Journal of Polymer Science,1991,{4}(02):145-150. DOI：

QIU Kunyuan, GUO Xinqiu, ZHANG Dong, et al. STUDIES ON THE INITIATION MECHANISM OF CERIC ION AND ACETYLACETONE REDOX SYSTEM IN VINYL POLYMERIZATION[J]. 1991, 9(2): 145-150. DOI：

摘要

<正> The initiation mechanism of acrylamide （AAM）polymerization using ceric ion/acetylacetone system as an initiator has been studied. The redox polymerization was revealed by the low value of overall activation energy of AAm polymerization. The structure of free radicals formed from above-mentioned initiation sytem were detected by radical trapping and ESR spectra techniques and the end groups of polymers obtained were determined by FT-IR spectra analysis method. Based on these results the initiation mechanism is proposed.

Abstract

The initiation mechanism of acrylamide （AAM）polymerization using ceric ion/acetylacetone system as an initiator has been studied. The redox polymerization was revealed by the low value of overall activation energy of AAm polymerization. The structure of free radicals formed from above-mentioned initiation sytem were detected by radical trapping and ESR spectra techniques and the end groups of polymers obtained were determined by FT-IR spectra analysis method. Based on these results the initiation mechanism is proposed.

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