USE OF ALKOXYLATED NON-IONIC SURFACTANTS AS ADDITIVE IN AQUEOUS MEMBRANE CLEANING COMPOSITIONS
    1.
    发明申请
    USE OF ALKOXYLATED NON-IONIC SURFACTANTS AS ADDITIVE IN AQUEOUS MEMBRANE CLEANING COMPOSITIONS 审中-公开
    在水性膜清洁组合物中使用烷氧基非离子表面活性剂作为添加剂

    公开(公告)号:US20150175936A1

    公开(公告)日:2015-06-25

    申请号:US14414125

    申请日:2013-06-21

    Applicant: BASF SE

    Abstract: The object of the present invention relates to the use of an branched alkoxylated non-ionic surfactant as an additive to an aqueous membrane cleaning composition, wherein the surfactant has an HLBd value of 9 to 12.5 and an average degree of branching Bs≧1.5 and wherein the surfactant has the following formula: (I), wherein R is a C8-C18 linear or branched hydrocarbon chain, X is O or N, R1, R2 and R3 independently of one another are hydrogen, methyl, ethyl, propyl, isopropyl, or a mixture of these, n has a value of from 1 to 8, m has a value of from 1 to 8, p has a value of from 0 to 8.

    Abstract translation: 本发明的目的是涉及使用支链烷氧基化非离子表面活性剂作为水性膜清洗组合物的添加剂,其中表面活性剂的HLBd值为9〜12.5,平均支化度Bs≥1.5,其中 表面活性剂具有下式:(I)其中R是C8-C18直链或支链烃链,X是O或N,R 1,R 2和R 3彼此独立地是氢,甲基,乙基,丙基,异丙基, 或这些的混合物,n具有1至8的值,m具有1至8的值,p具有0至8的值。

    Aqueous formulations with good storage capabilities

    公开(公告)号:US10961485B2

    公开(公告)日:2021-03-30

    申请号:US15770241

    申请日:2016-11-02

    Applicant: BASF SE

    Abstract: Aqueous formulations comprising (A) at least one organic complexing agent selected from (A1) alkali metal salts of aminopolycarboxylic acids and (A2) polymers bearing at least two —CH2—N(CH2COOH)-units per molecule, partially or fully neutralized with alkali, (B) at least one salt of at least one of the following acids: nitric acid, sulphuric acid, sulphamic acid, methanesulfonic acid, C1-C2-carboxylic acids, C2-C4-hydroxymonocarboxylic acids, C2-C7-dicarboxylic acids, unsubstituted or substituted with hydroxyl, and C4-C6-tricarboxylic acids, each unsubstituted or substituted with hydroxyl, (C) at least one compound selected from (C1) phosphoric acid C2-C10-monoalkyl esters, (C2) a C3-C10-alkynol, optionally alkoxylated with one to 10 alkoxide groups per hydroxyl group, and (C3) a C4-C10-alkynediol, optionally alkoxylated with one to 10 alkoxide groups per hydroxyl group, said aqueous formulations having pH values in the range of from 7.5 to 10.

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