AQUEOUS SOLUTIONS CONTAINING A COMPLEXING AGENT IN HIGH CONCENTRATION
    6.
    发明授权
    AQUEOUS SOLUTIONS CONTAINING A COMPLEXING AGENT IN HIGH CONCENTRATION 有权
    含有高浓度络合剂的水溶液

    公开(公告)号:EP3004311B1

    公开(公告)日:2017-04-05

    申请号:EP14724409.9

    申请日:2014-05-13

    Applicant: BASF SE

    CPC classification number: C11D3/3723 C11D3/33 C11D7/3245 F17D1/08

    Abstract: Aqueous solution comprising (A) in the range of from 30 to 60% by weight of a complexing agent, selected from the alkali metal salts of methylglycine diacetic acid and the alkali metal salts of glutamic acid diacetic acid, (B) in the range of from 700 ppm to 7% by weight of a polymer being selected from polyamines, the N atoms being partially or fully substituted with CH2COOH groups, partially or fully neutralized with alkali metal cations, ppm and percentages referring to the total respective aqueous solution

    Abstract translation: (A)30-60%(重量)选自甲基甘氨酸二乙酸的碱金属盐和谷氨酸二乙酸的碱金属盐的络合剂,(B)的范围内的(A)水溶液 700ppm至7重量%的选自多胺的聚合物,N原子部分或完全被CH 2 COOH基团取代,用碱金属阳离子部分或完全中和,ppm和百分比指总水溶液

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