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本文以丙烯酰胺 (AM)、丙烯酸 (AA)和阳离子单体AC为原料 ,采用溶液聚合法合成了阴阳非离子三元共聚物LO - 1 ,评价了该三元共聚物的基本性能。结果表明 :LO - 1三元共聚物具有良好的抗剪切、抗盐能力和较好的耐温性与热稳定性。以三元共聚物为基液配制的冻胶具有良好的粘弹性 ,可望作为选择性堵剂使用。
In this paper, the anionic and cationic nonionic ternary copolymer LO - 1 was synthesized by solution polymerization using acrylamide (AM), acrylic acid (AA) and cationic monomer AC as raw materials. The basic properties of the terpolymer were evaluated. The results show that the LO - 1 terpolymer has good ability of anti - shear, salt resistance and good temperature resistance and thermal stability. Jelly prepared from terpolymer as base fluid has good viscoelasticity and is expected to be used as a selective plugging agent.