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    USE OF A COPOLYMER AS A THICKENER IN LIQUID DETERGENTS HAVING LOWER GRAYING TENDENCY
    24.
    发明专利
    USE OF A COPOLYMER AS A THICKENER IN LIQUID DETERGENTS HAVING LOWER GRAYING TENDENCY 未知

    公开(公告)号：CA2788046A1

    公开(公告)日：2011-08-18

    申请号：CA2788046

    申请日：2011-02-11

    Applicant: BASF SE

    Inventor： ARISANDY CHRISTOFER ,  SCHMIDT KATI ,  LEYRER REINHOLD

    IPC: C11D3/37

    Abstract: The invention relates to copolymers which contain a) at least 15% by weight units of an ethylenically unsaturated carboxylic acid, b) at least 15% by weight units of a C4-C8-alkylacrylats, c) less than 5% by weight units of methyl methacrylate, and are used as thickeners in liquid textile detergents. The copolymers can additionally contain units of a non-ionic ethylenically unsaturated surfactant monomer that are incorporated by polymerization. The thickeners are characterized by high thickening action, high shear thinning and low graying of the laundry after the washing process.

    Aqueous dispersion, useful e.g. for coloration of textile substrates, comprises a copolymer incorporated by polymerization of e.g. ethylenically unsaturated carboxylic acid or their anhydride, and a colorant
    27.
    发明专利
    Aqueous dispersion, useful e.g. for coloration of textile substrates, comprises a copolymer incorporated by polymerization of e.g. ethylenically unsaturated carboxylic acid or their anhydride, and a colorant 未知

    公开(公告)号：DE102008004177A1

    公开(公告)日：2009-07-16

    申请号：DE102008004177

    申请日：2008-01-11

    Applicant: BASF SE

    Inventor： NOERENBERG RALF ,  SIEMENSMEYER KARL ,  SCHMIDT KATI ,  LEYRER REINHOLD J ,  SENF ANDREAS

    IPC: C08F220/06 ,  C08F220/08 ,  C08J3/20 ,  C08L33/00 ,  C09D11/02 ,  C09K23/42 ,  D06B5/00

    Abstract: Aqueous dispersion comprises: (A) a copolymer incorporated by polymerization of (a) at least one ethylenically unsaturated carboxylic acid or their anhydride, (b) at least one non-ionic ethylenically unsaturated surfactant monomer of (I) or (II), (c) at least one 1-2 carbon-alkyl methacrylate and (d) at least one 2-4 carbon-alkyl acrylate; and (B) a colorant. Aqueous dispersion comprises: (A) a copolymer incorporated by polymerization of (a) at least one ethylenically unsaturated carboxylic acid or their anhydride, (b) at least one non-ionic ethylenically unsaturated surfactant monomer of formula (R 1>-O-(CH 2-CHR 2>-O) n-CO-C(R 3>)=CH2) (I) or (R 1>-O-(CH 2-CHR 2>-O) n-O-(CH 2) mCH=CH 2) (II), (c) at least one 1-2 carbon-alkyl methacrylate and (d) at least one 2-4 carbon-alkyl acrylate; and (B) a colorant. R 1>unbranched 6-30C-alkyl; R 2>, R 3>H or CH 3; n : 2-100; and m : 0 or 1. Independent claims are included for: (1) preparing aqueous dispersion comprising radical copolymerization of the copolymer (A), optionally comprises radical copolymerization of (a), optionally at least a repeatedly ethylenically unsaturated monomer and optionally (f) a polar co-monomer; and mixing with at least a colorant (B); (2) a process for the coloration of textile substrates by using the aqueous dispersion; (3) Colored textile substrates obtained by the coloration process; and (4) Copolymer comprising a polymerized (a), (b), (c), (d) and (f).

    Associative thickener dispersion
    28.
    发明专利
    Associative thickener dispersion 未知

    公开(公告)号：AU2008285686A1

    公开(公告)日：2009-02-12

    申请号：AU2008285686

    申请日：2008-08-01

    Applicant: BASF SE

    Inventor： LEYRER REINHOLD ,  SCHMIDT KATI

    IPC: C08F220/06 ,  C08F220/10 ,  C08F220/18 ,  C09D7/00

    Abstract: An aqueous dispersion of a copolymer with copolymerized units a) of at least one ethylenically unsaturated carboxylic acid, b) of at least one nonionic ethylenically unsaturated surfactant monomer, c) of at least one C1-C2-alkyl methacrylate, d) of at least one C2-C4-alkyl acrylate, where the alkyl chain length averaged over the number of alkyl groups of the alkyl acrylate is 2.1 to 4.0, is described. Following neutralization with alkali, the dispersion serves as associative thickener, in particular for liquid detergent and cleaner formulations. The thickeners are characterized by high transparency and high thickening effect coupled with high shear dilution.

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