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Preparation and characterization of new plugging agent and the study of swelling property——polyacrylamide cross-linked microspheres
Author(s): 
Pages: 27-30
Year: Issue:  2
Journal: Petrochemical Industry Application

Keyword:  反相悬浮聚合丙烯酰胺微球溶胀性;
Abstract: 采用反相悬浮聚合法,合成了一系列不同桓径的聚丙烯酰胺交联微球,并考察了一些条件对所制得的交联微球粒径大小、吸水倍率及工艺稳定性的影响.研究得到较适宜的反应条件及工艺配方如下:丙烯酰胺为总质量的4.3%,交联剂和引发剂分别为单体摩尔质量的1.0%,反应起始温度为50℃,预乳化时间40 min,升温至75℃,搅拌速度控制在380~500 r/min,总反应时间2~3 h.
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