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Muddy water controller

阅读:349发布:2021-11-22

专利汇可以提供Muddy water controller专利检索,专利查询,专利分析的服务。并且PURPOSE: A muddy water controller that contains, as an active ingredient, a polyacrylic acid of a specific number-average molecular weight or its alkali metal salt which is prepared by neutralizing the polyacrylic acid to a specific level, thus giving muddy water good dispersion stability, heat resistance, salt resistance and cement resistance.
CONSTITUTION: The objective controller contains, as an active ingredient, a polyacrylic acid with a number-average molecular weight of 1,000W20,000, preferably 2,000W15,000 or its alkali metal or ammonium salt or alkanolamine salt of less than 30% neutralization degree such as monoethanolamine salt. The resultant controller is used, preferably 0.02W2wt% based on muddy water and when the pH of muddy water needed, aqueous alkali such as NaOH is used. Further, the controller may be combined with other controller such as CMC.
COPYRIGHT: (C)1985,JPO&Japio,下面是Muddy water controller专利的具体信息内容。

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