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合成了磺甲基化（丙烯酰胺／丙烯酸）共聚物〔ｓｕｌｆｏｍｅｔｈｙｌａｔｅｄｐｏｌｙ（ａｃｒｙｌａｍｉｄｅ－ｃｏ－ａｃｒｙｌｉｃａｃｉｄ），简称ＳＭＰ（ＡＭ／ＡＡ）〕，测定了不同磺化度ＳＭＰ（ＡＭ／ＡＡ）水溶液的粘度，研究了ＳＭＰ（ＡＭ／ＡＡ）的若干泥浆性能，用红外光谱对ＳＭＰ（ＡＭ／ＡＡ）及二元共聚物（丙烯酰胺／丙烯酸）〔ｐｏｌｙ（ａｃｒｙｌａｍｉｄｅ－ｃｏ－ａｃｒｙｌｉｃａｃｉｄ），简称Ｐ（ＡＭ／ＡＡ）〕的结构作了表征．试验表明，磺甲基化（丙烯酰胺／丙烯酸）共聚物具有较好的降失水性能和抗钙侵性能，是一种较好的降失水剂．
The sulfomethylated poly (acrylamide-co-acrylic acid) (SMP / AM) copolymer was synthesized and the viscosity of SMP (AM / AA) SMP (AM / AA) and poly (acrylamide-co-acrylic acid) (P (AM / AA) ] Structure was characterized. Experiments show that the sulfomethylated (acrylamide / acrylic acid) copolymer has good water loss and anti-calcium infiltration performance, is a good fluid loss agent.