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Synthesis of super absorbent resin and its property
Author(s): ZHANG Wenzheng, HUANG Zuoli, SUN Fang, WANG Yi, FAN Ningning
Pages: 47-
50
Year: 2004
Issue:
1
Journal: JOURNAL OF BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY(NATURAL SCIENCE EDITION)
Keyword: 吸水性树脂; 聚丙烯酸盐; 丙烯酰胺; 调驱剂;
Abstract: 文中以聚丙烯酸盐为主体合成的吸水性树脂是一种新型油田调驱剂,它是以丙烯酸、丙烯酰胺为反应单体,以N,N-亚甲基双丙烯酰胺为交联剂,并加入聚乙烯醇,在60 ℃下以过硫酸铵/亚硫酸氢钠为引发剂合成的吸水性树脂.研究结果表明:当交联剂质量分数在0.05%~0.10%范围内时,吸水性树脂常温25 ℃下吸水量较低(340 mL/g),而在高温90 ℃下吸水量则升高到645 g/g;当n(AM)∶n(AA)摩尔比在0~0.14范围变化时吸盐量也由5 mL/g提高到60 mL/g,这种吸水量依赖于温度而变化的吸水性树脂适合用作油田调驱剂.
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