The Synthesis of Polyacrylamide by  Precipitation Polymerization

王久芬; 蔡开勇; 李德水

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The Synthesis of Polyacrylamide by Precipitation Polymerization

更新时间：2026-09-14

- The Synthesis of Polyacrylamide by Precipitation Polymerization
- 沉淀聚合法合成聚丙烯酰胺
- Issue 4, Pages: 312-315(2000)
- 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：2000
- 稿件说明：
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王久芬, 蔡开勇, 李德水. The Synthesis of Polyacrylamide by Precipitation Polymerization[J]. 2000, (4): 312-315.
DOI：

王久芬, 蔡开勇, 李德水. The Synthesis of Polyacrylamide by Precipitation Polymerization[J]. 2000, (4): 312-315. DOI：

摘要

目的　用沉淀聚合法合成聚丙烯酰胺 ( PAM) .方法　以丙酮为溶剂

以过氧化二苯甲酰 -N

N二甲基苯胺为氧化 -还原引发剂

采用分批加入引发剂和静态聚合合成 PAM

研究诸因素对 PAM相对分子质量和性能的影响 .结果　合成出了具有良好水溶性、相对分子质量高于 9× 1 0 5的粉状 PAM.结论　沉淀聚合法可以直接合成具有良好水溶性的粉状 PAM;引发剂浓度和反应温度是控制 PAM相对分子质量的重要因素 .

Abstract

Aim\ To synthesize polyacrylamide(PAM) by precipitation polymerization. Methods\ Polyacrylamide was synthesized to adopt static polymerization condition and the pattern of feeding initiator in batch

acetone as solvent

BPO N

N dimethylaniline as redox initiator. The influence of each factor on the relative molecular weight and properties of PAM is discussed. Results\ The powdery PAM having good water solubility was obtained

its relative molecular weight was over 900

000. Conclusion \ The powdery PAM having good water solubility is synthesized directly by precipitation polymerization. The concentration of initiator and temperature of polymerization were important factors on the relative molecular weight of PAM.

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