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摘要: |
对反相乳液聚合法制备阳离子聚丙烯酰胺的合成工艺进行了研究。主要考察了乳化剂和引发剂对反应的影响。研究发现,复配乳化剂的配比对单体的转化率有影响,当Span85:Span40=0.15:0.85(HLB≈6)时转化率可达到90%.引发体系采用过硫酸钾-亚硫酸氢钠氧化还原体系时,不同的配比对单体的转化率也有影响,当K2S2O8:NaHSO3(质量比)为1:1时转化率可达到90%。对反相乳液聚合法制得的阳离子聚丙烯酰胺的絮凝性能进行了研究,研究发现,当使用无机絮凝剂明矾与实验制得的阳离子聚丙烯酰胺复配时可以达到非常好的絮凝效果。 |
关键词: 反相乳液聚合 阳离子聚丙烯酰胺 乳化剂 引发剂 絮凝性 |
DOI: |
分类号:TQ314.253 TS727.2 |
基金项目:科技部科研项目 |
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Synthesis and Flocculation of Cationic PAM by Inverse Emulsion Polymerization |
Wang Wei Wang Xinlong Zhang Yuejun
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Abstract: |
The effects of emulsifier and initiator on the inverse emulsion polymerization were studied by the synthesis of cationic PAM. The results showed that the mass ratio of composite emulsifier influenced the conversion rate, and when Span - 85/Span - 40 was 0 |
Key words: inverse emulsion polymerization, cationic PAM, emulsifier, initiator, flocculation |