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Low molecular weight polyacrylic acid with pendant aminomethylene phosphonic acid groups

机译:具有侧链氨基亚甲基膦酸基团的低分子量聚丙烯酸

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Low molecular weight poly(acrylic acid-co-vinyl aminomethylene phosphonic acid)s were prepared by consecutively applying the Hofmann degradation and the Mannich reaction to polyacrylamide and poly(acrylamide-co-acrylic acid)s. H-1-NMR, P-31-NMR, and microanalysis were used for structural analyses. These polymers were tested as anti-scalent and they showed better anti-scalent effect than commercial poly(acrylic acid)s. The scale inhibition properties of copolymers increased with increasing amount of aminomethylene phosphonic acid groups. (C) 2000 John Wiley & Sons, Inc. [References: 13]
机译:通过连续地对聚丙烯酰胺和聚丙烯酰胺-丙烯酸共聚物进行霍夫曼降解和曼尼希反应,制备了低分子量的聚丙烯酸-丙烯酸-乙烯基氨基亚甲基膦酸。 H-1-NMR,P-31-NMR和微量分析用于结构分析。测试了这些聚合物的防垢性能,它们显示出比市售聚丙烯酸更好的防垢效果。共聚物的阻垢性能随氨基亚甲基膦酸基团数量的增加而增加。 (C)2000 John Wiley&Sons,Inc. [参考:13]

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