| CPAM水分散聚合体系的微观相结构及稳定性 |
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| 引用本文： | 张光华,来智超,王义伟.CPAM水分散聚合体系的微观相结构及稳定性[J].高分子材料科学与工程,2010(6):4-7. |
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| 作者姓名： | 张光华 来智超 王义伟 |
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| 作者单位： | 陕西科技大学化学与化工学院; |
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| 摘 要： | 以丙烯酰胺(AM)、甲基丙烯酰氧乙基三甲基氯化铵(DMC)为单体,利用水分散聚合法合成了阳离子聚丙烯酰胺,研究了其微观相结构、分散介质、DMC单体用量等因素对聚合体系黏度及稳定性的影响。结果表明,体系的分散相呈球形存在于分散介质中,分散相为阳离子聚丙烯酰胺(CPAM),连续相为聚乙二醇(PEG)或聚氧化乙烯(PEO)。聚合过程中体系黏度随反应时间的增长先增大后减少,体系稳定性随着连续相用量增多而增大,DMC用量对稳定性的影响也呈现先增后减的趋势。
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| 关 键 词： | 水分散聚合 阳离子聚丙烯酰胺 黏度 稳定性 |
Microscopic Phase Structure and Stability of Water Dispersion Polymerization System of Cationic Polyacrylamide |
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| ZHANG Guang-hua,LAI Zhi-chao,WANG Yi-wei.Microscopic Phase Structure and Stability of Water Dispersion Polymerization System of Cationic Polyacrylamide[J].Polymer Materials Science & Engineering,2010(6):4-7. |
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| Authors: | ZHANG Guang-hua LAI Zhi-chao WANG Yi-wei |
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| Affiliation: | ZHANG Guang-hua,LAI Zhi-chao,WANG Yi-wei(College of Chemistry and Chemical Engineering,Shaanxi University of Science & Technology,Xi'an 710021,China) |
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| Abstract: | Cationic polyacrylamide was prepared using acrylamide and 2-trimethylammonium ethyl methacrylate chloride(DMC) as monomers by water dispersion polymerization.The microstructure of the system was investigated by microscopic.The influences of disperse medium,dosage of DMC and other factors on viscosity and stability of the water dispersion polymerization system were also investigated.The micrograph of the product shows that the cationic polyacrylamide disperses in the continuous polyethylene glycol (PEG)or po... |
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| Keywords: | water dispersion polymerization cationic polyacrylamide viscosity stability |
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