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Itaconic acid/2-acrylamido-2-methlpropanesulfonic acid (AMPS)copolymer as an oil well cement retarder
Author(s): QI ZhiGang, WANG RuiHe, XU YiJi, BU YuHuan
Pages: 32-
35
Year: 2007
Issue:
z2
Journal: JOURNAL OF BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY(NATURAL SCIENCE EDITION)
Keyword: 衣康酸; 2-丙烯酰胺基-2-甲基丙磺酸; 共聚物; 合成; 缓凝剂;
Abstract: 以2-丙烯酰胺基-2-甲基丙磺酸(AMPS)为主原料,与衣康酸(IA)在引发剂作用下进行共聚合反应,得到了IA/AMPS共聚物.实验考察了反应条件对产物性能的影响,确定出最佳合成方案;探讨了缓凝剂作用机理,采用IR研究了共聚物的结构.结果表明:单体配比、引发剂用量、反应温度对产物的缓凝性能有很大影响,三者之间存在最佳值.合成的共聚物对水泥浆有优异的缓凝性能,能显著延长水泥浆的稠化时间,并对水泥浆具有良好的分散减阻作用,能够广泛应用油田固井水泥浆体系.
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