| 丙烯酰胺水溶液聚合──添加Na_2CO_3制取高分子量阴离子型速溶聚丙烯酰胺的研究 |
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| 引用本文： | 季鸿渐,孙占维,张万喜,李志宏. 丙烯酰胺水溶液聚合──添加Na_2CO_3制取高分子量阴离子型速溶聚丙烯酰胺的研究[J]. 高分子学报, 1994, 0(5) |
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| 作者姓名： | 季鸿渐 孙占维 张万喜 李志宏 |
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| 作者单位： | 中国科学院长春应用化学研究所 |
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| 摘 要： | 本文建立了丙烯酰胺水溶液聚合的潜在型引发体系；研究了在碳酸盐法聚合体系中，添加不同量氨、尿素、ＥＤＴＡ—２Ｎａ，以及聚合体系ｐＨ、单体浓度、聚合水浴温度对聚合产物分子量及其溶解性能的影响规律和原因；解决了产物高分子量与产生不溶聚合物之间的矛盾；指出了获得高分子量阴离子型速溶粉末产品的关键．从而，用碳酸盐法得到了溶解性能优异的［η］高达２８ｄｌ／ｇ的胶体产品和［η］高达２２ｄｌ／ｇ的速溶粉末产品．
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| 关 键 词： | 聚丙烯酰胺，速溶聚丙烯酰胺，水溶液聚合 |
AQUEOUS POLYMERIZATION OF ACRYLAMIDE THE PREPARATION OF WATER-SOLUBLE POLYACRYLAMIDE WYIH HIGH MOLECULAR WEIGHT USING Na_2CO_3 |
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| JI Hongjian, SUN Zanwei, ZHANG Wanxi, LI Zihong. AQUEOUS POLYMERIZATION OF ACRYLAMIDE THE PREPARATION OF WATER-SOLUBLE POLYACRYLAMIDE WYIH HIGH MOLECULAR WEIGHT USING Na_2CO_3[J]. Acta Polymerica Sinica, 1994, 0(5) |
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| Authors: | JI Hongjian SUN Zanwei ZHANG Wanxi LI Zihong |
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| Abstract: | A new initiation system for aqueous polymerization of acrylamide is presented.The effects of the contents of ammonia, urea, EDTA--2Na, pH value, concentration of monomer, polymerisation temperature in a Na2CO3 polymerization sysytem on the molecular weight of polymer and water-- soluble property were studied. Amethod to obtain the product with high molecualar weight which easily is dissolvedin water was found. A product in the form of powder with [η] = 22dl/g was obtained by Na2CO3 method. |
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| Keywords: | Polycrylamide Water- soluble polyacrylamide Aqueous polymerization |
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