21.
    发明专利
    未知

    公开(公告)号:AT423836T

    公开(公告)日:2009-03-15

    申请号:AT05758640

    申请日:2005-06-18

    Applicant: BASF SE

    Abstract: The present invention relates to a process for preparing granular or pulverulent detergent compositions, comprising the preparation of a detergent base powder by drying an aqueous detergent slurry, which comprises adding to the slurry a copolymer which is obtainable by free-radical copolymerization of (A) from 50 to 99.5 mol % of a monoethylenically unsaturated monocarboxylic acid and/or a salt thereof, (B) from 0.5 to 20 mol % of an alkoxylated monoethylenically unsaturated monomer I in which the variables are defined as follows: R 1 is hydrogen or methyl; R 2 is -(CH 2 ) x -O-, -CH 2 -NR 5 -, -CH 2 -O-CH 2 -CR 6 R 7 -CH 2 -O- or -CONH-; R 3 are each identical or different C 2 -C 4 -alkylene radicals which may be arranged blockwise or randomly, the proportion of ethylene radicals being at least 50 mol %; R 4 is hydrogen, C 1 -C 4 -alkyl, -SO 3 M or -PO 3 M 2 ; R 5 is hydrogen or -CH 2 -CR 1 -CH 2 ; R 6 is -O-[R 3 -O] n -R 4 , where the -[R 3 -O] n - radicals may be different from the further -[R 3 -O] n - radicals present in formula I; R 7 is hydrogen or ethyl; M is alkali metal or hydrogen; n is from 4 to 250; x is 0 or 1, (C) from 0 to 50 mol % of a monoethylenically unsaturated dicarboxyic acid, of an anhydride and/or of a salt thereof and (D) from 0 to 20 mol % of a further copolymerizable monoethylenically unsaturated monomer and has an average molecular weight M w of from 30 000 to 500 000 g/mol and a K value of from 40 to 150 (measured at pH 7 in 1% by weight aqueous solution at 25° C.).

    USO PARA SUSTRATOS DE AGLUTINANTE ACUOSO DESPROVISTO DE FORMALDEHIDO.

    公开(公告)号:ES2305826T3

    公开(公告)日:2008-11-01

    申请号:ES04764992

    申请日:2004-09-09

    Applicant: BASF SE

    Abstract: Uso de aglutinantes acuosos desprovistos de formaldehído, con una distribución amplia de peso molecular, que contienen polímeros compuestos de monómeros A) y B), con (A) 5 hasta 50% en peso de un anhídrido de ácido insaturado etilénicamente o de un ácido dicarboxílico insaturado etilénicamente, cuyos grupos de ácido carboxílico pueden formar un grupo anhídrido, mezclas de los mismos [monómeros A)], (B) 50 hasta 95% en peso de un compuesto etilénicamente insaturado [monómeros B)] diferente de A y (C) al menos un reticulador polifuncional o mezclas de los mismos, y los polímeros obtenidos mediante polimerización radical de A) y B), al clasificarse en un sistema de coordenadas por su peso molecular promedio Mw y sus valores de polidispersidad, se encuentran en el área por encima de una recta que se define por la ecuación de recta y = 1,25x + 20000 y desplazada en dirección paralela de y en al menos + 3000, y el eje x se denomina promedio del peso molecular y el eje y se denomina polidispersidad multiplicado por 10000.

    23.
    发明专利
    未知

    公开(公告)号:DE502005005138D1

    公开(公告)日:2008-10-02

    申请号:DE502005005138

    申请日:2005-08-04

    Applicant: BASF SE

    Abstract: Partially neutralized carboxylate-rich copolymers, processes for their preparation and methods of using the same are disclosed, the copolymers comprising: monomers (A), (B), and (C); wherein monomer (A) comprises at least one monoethylenically unsaturated monocarboxylic acid, and is present in an amount of 30% to 79.99% by weight; wherein monomer (B) comprises at least one monoethylenically unsaturated dicarboxylic acid selected from the group consisting of acids corresponding to general formula I, acids corresponding to general formula II, anhydrides thereof, and other hydrolyzable derivatives thereof, and is present in an amount of 20.01% to 70% by weight: (HOOC)R1C-CR2(COOH) (I) R1R2C-C(-(CH2)n-COOH)(COOH) (II) wherein R1 and R2 each independently represent H or a straight-chain or branched, optionally substituted alkyl radical having 1 to 20 carbon atoms, or, in the case of (I), R1 and R2 together being an optionally substituted alkylene radical having 3 to 20 carbon atoms, and n represents an integer from 0 to 5; wherein monomer (C) comprises at least one additional ethylenically unsaturated comonomer, and is present in an amount of 0% to 40% by weight; wherein the carboxylate-rich copolymer is partially neutralized with at least one amine and the carboxylate-rich copolymer has a degree of neutralization of 2 to 18 mol %, based on the total amount of all COOH groups of the monocarboxylic and dicarboxylic acids; and wherein the carboxylate-rich copolymer has an average molecular weight Mw of at least 3000 g/mol.

    24.
    发明专利
    未知

    公开(公告)号:AT405597T

    公开(公告)日:2008-09-15

    申请号:AT05776629

    申请日:2005-08-04

    Applicant: BASF SE

    Abstract: Partially neutralized carboxylate-rich copolymers, processes for their preparation and methods of using the same are disclosed, the copolymers comprising: monomers (A), (B), and (C); wherein monomer (A) comprises at least one monoethylenically unsaturated monocarboxylic acid, and is present in an amount of 30% to 79.99% by weight; wherein monomer (B) comprises at least one monoethylenically unsaturated dicarboxylic acid selected from the group consisting of acids corresponding to general formula I, acids corresponding to general formula II, anhydrides thereof, and other hydrolyzable derivatives thereof, and is present in an amount of 20.01% to 70% by weight: (HOOC)R1C-CR2(COOH) (I) R1R2C-C(-(CH2)n-COOH)(COOH) (II) wherein R1 and R2 each independently represent H or a straight-chain or branched, optionally substituted alkyl radical having 1 to 20 carbon atoms, or, in the case of (I), R1 and R2 together being an optionally substituted alkylene radical having 3 to 20 carbon atoms, and n represents an integer from 0 to 5; wherein monomer (C) comprises at least one additional ethylenically unsaturated comonomer, and is present in an amount of 0% to 40% by weight; wherein the carboxylate-rich copolymer is partially neutralized with at least one amine and the carboxylate-rich copolymer has a degree of neutralization of 2 to 18 mol %, based on the total amount of all COOH groups of the monocarboxylic and dicarboxylic acids; and wherein the carboxylate-rich copolymer has an average molecular weight Mw of at least 3000 g/mol.

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