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    • 2. 发明申请
    • POLYMER COMPOSITION, WHICH IS SUITABLE AS ANTI-GREYING AGENT IN DETERGENT FORMULATIONS
    • WO2021204758A1
    • 2021-10-14
    • PCT/EP2021/058860
    • 2021-04-06
    • BASF SE
    • ETTL, RolandWEISS, ThomasBOENEMANN, GabrieleKREIDER, VolkerWAGNER, Aaron
    • C11D3/37C11D3/22C11D3/00C11D17/00
    • The present invention relates to aqueous polymer compositions, which are obtainable by radical copolymerization in water of i) ethylenically unsaturated monomers M comprising a.1) 50 to 95% by weight, in particular 60 to 93% by weight, more particularly 70 to 92% by weight, especially 75 to 90% by weight, based on the total weight of the monomers M, of at least one monomer M1, selected from the group consisting of C1-C3-alkyl esters of acrylic acid and C1-C3-alkyl esters of methacrylic acid and mixtures thereof, and a.2) 5 to 50% by weight, in particular 7 to 40% by weight, more particularly 8 to 30% by weight, especially 10 to 25% by weight, based on the total weight of the monomers M, of at least one monomer M2, selected from the group consisting of monoethylenically unsaturated C3-C8-monocarboxylic acids and monoethylenically unsaturated C4-C8-dicarboxylic acids, and mixtures thereof; in the presence of ii) 110 to 600 by weight, in particular 130 to 500% by weight, more particularly 150 to 480% by weight and especially 170 to 450% by weight, based on the total amount of monomers M, of a carboxymethylcellulose. Further aspects of the present invention relate to a process for producing the aqueous polymer compositions of the present invention; - the use of the aqueous polymer compositions as defined herein as an anti-grey- ing additive in the washing or laundry; - the use of the aqueous polymer compositions as defined herein as an anti-grey- ing additive in laundry detergent formulations, in particular in liquid laundry detergent formulations or gel-type laundry detergent formulations; laundry detergent formulations, in particular a liquid or gel-type laundry detergent formulations, which contain at least one aqueous polymer composition as defined herein.