首页> 外国专利> Acrylic acid-maleic acid copolymer (or its salt), its production process and use, and production process for aqueous maleic salt solution with low impurity content

Acrylic acid-maleic acid copolymer (or its salt), its production process and use, and production process for aqueous maleic salt solution with low impurity content

机译:丙烯酸-马来酸共聚物(或其盐),其生产方法和用途以及低杂质含量的马来盐水溶液的生产方法

摘要

The present invention provides: an acrylic acid-maleic acid copolymer (or its salt) which is excellent in performances, such as Mg2+ scavengeability, clay dispersibility in the presence of Mg2+, inhibitability upon Mg(OH)2 scale, and inhibitability upon CaCO3 scale; and a production process for such a copolymer (or its salt). The present invention further provides a production process for an aqueous maleic salt solution with a low impurity content which has the advantage of easily giving the above copolymer (or its salt). The present invention still further provides uses of the above copolymer (or its salt) having the above excellent properties.
机译:本发明提供:具有优异的性能,例如Mg 2 + 清除能力,在Mg 2+ < / Sup>,对Mg(OH) 2 的抑制能力和对CaCO 3 的抑制能力;以及这种共聚物(或其盐)的生产方法。本发明进一步提供了具有低杂质含量的马来酸盐水溶液的生产方法,其具有容易得到上述共聚物(或其盐)的优点。本发明还提供具有上述优异性能的上述共聚物(或其盐)的用途。

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