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以丙烯酰胺（AM），2－丙烯酰胺－2－甲基丙碳酸钠（NaAMPS），N，N－二乙基丙烯酰胺（DEAM）为单体，通过在水溶液中自由基引发共聚合，合成出了AM－NaAMPS－DEAM三元共聚物。并对该三元共聚物的聚合物工艺条件，及对产物性能的影响进行了研究。初步考察了该共聚物的耐盐抗温性能。结果表明：采用本工艺可以制备出分子量大于1200万，增粘效果明显，耐盐抗温性能显著优于HPAM的三元共聚物。
The title compound was prepared by free radical initiated copolymerization in aqueous solution with acrylamide (AM), sodium 2-acrylamide-2-methylpropanecarboxylate (NaAMPS) and N, N-diethylacrylamide (DEAM) The AM-NaAMPS-DEAM terpolymer was found. The polymer process conditions of the terpolymer and the effect on the product properties were studied. The salt resistance and temperature resistance of the copolymer were investigated. The results showed that the terpolymer with molecular weight more than 12 million, obvious thickening effect and salt and heat resistance could be prepared by this process.