王孟,刘芝芳.丙烯酰胺-丙烯酸钠共聚合竞聚率的测定[J].南华大学学报(自然科学版),2006,20(1):93~95.[.Determination of Reactivity Ratio of Acrylamide and Sodium Acrylate[J].Journal of University of South China(Science and Technology),2006,20(1):93~95.] |
丙烯酰胺-丙烯酸钠共聚合竞聚率的测定 |
Determination of Reactivity Ratio of Acrylamide and Sodium Acrylate |
修订日期:2006-02-20 |
DOI: |
中文关键词: 溶液聚合 反相微乳液 阴离子度 竞聚率 |
英文关键词:solution polymerization,inverse microemulsion,anion degree,reactivity ratio |
基金项目: |
王孟 刘芝芳 |
南华大学化学化工学院,湖南衡阳421001 |
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中文摘要: |
分别采用溶液聚合与反相微乳液聚合制备丙烯酰胺-丙烯酸钠共聚物P(AM/SA),离子色谱法测定聚合物的阴离子度,分别采用F—R法、K—T法和YBR法计算单体竞聚率,通过竞聚率值预测共聚物的微结构,实验结果表明,微乳液聚合比溶液聚合制得的共聚物的结构更趋于无序排列分布. |
英文摘要: |
Copolymerization of acrylamide and sodium acrylate were respectively accomplished in solution and inverse microemulsion.Anion degree was determined by ionic chromatogram.Reactivity ratio was respectively calculated by F-R,K-T and YBR methods.The copolymer microstructure was predicted from the reactivity ratios.Compared to what was obtained for copolymers synthesized in solution,the microemulsion polymerization process yields more homogeneous copolymers in composition. |
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