| 甲酸钠链转移法合成超低分子量聚丙烯酰胺的研究 |
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| 引用本文： | 赵献增,朱靖,王冬梅,李天仚,肖丹. 甲酸钠链转移法合成超低分子量聚丙烯酰胺的研究[J]. 河南科学, 2008, 26(2): 163-165 |
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| 作者姓名： | 赵献增 朱靖 王冬梅 李天仚 肖丹 |
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| 作者单位： | 1. 河南省精细化工重点实验室,郑州,450002
2. 河南工业大学,郑州,450052 |
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| 摘 要： | 采用含少量溶剂的水溶液聚合法合成了超低分子量聚丙烯酰胺.以乙醇为移热溶剂,甲酸钠为链转移剂,过硫酸铵为引发剂,探讨了溶剂、链转移剂、引发剂浓度对聚合物分子量的影响.在单体质量分数为40%,链转移剂浓度为0.12～1.47 mol/L,溶剂浓度为0.87～4.35 mol/L,引发剂浓度为(3.5～17.5)×10-3 mol/L的实验条件下,所获得的聚丙烯酰胺分子量范围为(1.1～8.0)×104.
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| 关 键 词： | 低分子量 聚丙烯酰胺 链转移 水溶液聚合 |
| 文章编号： | 1004-3918（2008）02-0163-03 |
| 收稿时间： | 2007-10-11 |
| 修稿时间： | 2007-10-11 |
The Study of Polyacrylamide with Super Low Molecular Weight by Sodium Format Chain-transfer Agent |
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| Zhao Xianzeng,Zhu Jing,Wang Dongmei,Li Tianxuan,Xiao Dan. The Study of Polyacrylamide with Super Low Molecular Weight by Sodium Format Chain-transfer Agent[J]. Henan Science, 2008, 26(2): 163-165 |
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| Authors: | Zhao Xianzeng Zhu Jing Wang Dongmei Li Tianxuan Xiao Dan |
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| Affiliation: | 1.Henan Key Laboratory of Fine Chemicals;Zhengzhou 450002;China;2.Henan Univeisity of Technology;Zhengzhou 450052;China |
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| Abstract: | The polyacrylamide(PAM)with super low molecular weight was prepared by aqueous solution polyneri-zation containing a little organic solvent.The influence on molecular weight of PAM of amount of solvent,initiation and chain-transfer agent has been studied.The polyacrylamide with molecular weight of(1.1～ 8.0)×10 4 was derived under determine condition. |
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| Keywords: | low molecular weight polyaerylamide chain-transfer polymerization of aqueous solution |
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