引发体系对聚丙烯酰胺相对分子质量的影响

蔡开勇; 王久芬; 杜拴丽

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引发体系对聚丙烯酰胺相对分子质量的影响

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- 引发体系对聚丙烯酰胺相对分子质量的影响
- 引发体系对聚丙烯酰胺相对分子质量的影响
- Issue 1, (1999)
- 作者机构：
  
  华北工学院化学工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1999
- 稿件说明：
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蔡开勇, 王久芬, 杜拴丽. 引发体系对聚丙烯酰胺相对分子质量的影响[J]. 1999, (1).
DOI：

蔡开勇, 王久芬, 杜拴丽. 引发体系对聚丙烯酰胺相对分子质量的影响[J]. 1999, (1). DOI：

摘要

目的研究引发体系对合成聚丙烯酰胺相对分子质量的影响．方法从引发机理出发，本文对丙烯酰胺水溶液聚合的５类氧化－还原引发体系进行了研究．探讨了引发剂种类、引发剂浓度、单体浓度以及聚合温度对聚丙烯酰胺相对分子质量的影响．结果各种引发体系对合成聚丙烯酰胺相对分子质量有显著影响．结论过硫酸钾－连二硫酸钠体系是合成高相对分子质量聚丙烯酰胺的有效引发体系．

Abstract

Aim\ To study the effect of initiating systems in synthesis of relative molecular weight of polyacrylamide. Methods\ To begin with initiating mechanism

five Redox initiators of acrylamide aqueous polymerization has been studied. The effects of different kinds of initiator

initiator concentration

monomer concentration as well as polymerization temperature on relative molecular weight of polyacrylamide have been investigated. Results\ Every initiating system remarkably affects the relative molecular weight of the synthesized polyacrylamide. Conclusion\ K 2S 2O 8 Na 2S 2O 4 system is an effective initiating system for the synthesis of high relative molecular weight polyacrylamide.

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