1.
    发明专利
    未知

    公开(公告)号:ES2123954T3

    公开(公告)日:1999-01-16

    申请号:ES95906950

    申请日:1995-01-16

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP95/00144 Sec. 371 Date Jul. 25, 1996 Sec. 102(e) Date Jul. 25, 1996 PCT Filed Jan. 16, 1995 PCT Pub. No. WO95/20056 PCT Pub. Date Jul. 27, 1995Aqueous solution or aqueous dispersion of copolymers suitable for the fatliquoring and filling of leather and fur skins are obtained by free-radical copolymerization of A1) C6-C40-monoolefins or C6-C40-alkyl vinyl ethers or mixtures thereof with B1) monoethylenically unsaturated C4-C8-dicarboxylic anhydrides or by free-radical copolymerization of A2) C6-C40-alkyl acrylates or methacrylates or vinyl esters of C6-C40-carboxylic acids or mixtures thereof with B2) monoethylenically unsaturated C3-C12-carboxylic acids, monoethylenically unsaturated C4-C12-dicarboxylic anhydrides, monoesters or monoamides of monoethylenically unsaturated C4-C12-dicarboxylic acids, amides of monoethylenically unsaturated C3-C12-carboxylic acids or mixtures thereof to give copolymers with molecular weights of 500 to 30,000, where the carboxyl groups which are present in aqueous medium are at least partially neutralized, and some of the carboxylic groups can be in amidated form, containing 0.5-40% by weight, based on the amount of copolymer, of defined emulsifiers.

    Use of graft polymers for stuffing and fulling leathers and fur pelts

    公开(公告)号:AU662071B2

    公开(公告)日:1995-08-17

    申请号:AU4567993

    申请日:1993-07-13

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP93/01831 Sec. 371 Date Mar. 3, 1994 Sec. 102(e) Date Mar. 3, 1994 PCT Filed Jul. 13, 1993 PCT Pub. No. WO94/02650 PCT Pub. Date Feb. 3, 1994Soft leathers with a pleasant hand are obtained on fatliquoring and filling leather and fur skins with water-soluble or water-dispersible graft polymers of vegetable and animal oils, obtainable by radically initiated polymerization A) of a monomer or monomer mixture comprising (a) from 20 to 100% by weight of monoethylenically unsaturated carboxylic acids and/or monoethylenically unsaturated sulfonic acids and/or monoethylenically unsaturated phosphonic acids or their alkali metal, alkaline earth metal or ammonium salts, (b) from 0 to 80% by weight of other monoethylenically unsaturated monomers which are copolymerizable with the monomers (a), and (c) from 0 to 5% by weight of at least doubly ethylenically unconjugatedly unsaturated monomers in the presence of B) vegetable and/or animal oils in a weight ratio of A:B of (80-1):(20-99).

    Aqueous solutions or dispersions of copolymers

    公开(公告)号:AU1534295A

    公开(公告)日:1995-08-08

    申请号:AU1534295

    申请日:1995-01-16

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP95/00144 Sec. 371 Date Jul. 25, 1996 Sec. 102(e) Date Jul. 25, 1996 PCT Filed Jan. 16, 1995 PCT Pub. No. WO95/20056 PCT Pub. Date Jul. 27, 1995Aqueous solution or aqueous dispersion of copolymers suitable for the fatliquoring and filling of leather and fur skins are obtained by free-radical copolymerization of A1) C6-C40-monoolefins or C6-C40-alkyl vinyl ethers or mixtures thereof with B1) monoethylenically unsaturated C4-C8-dicarboxylic anhydrides or by free-radical copolymerization of A2) C6-C40-alkyl acrylates or methacrylates or vinyl esters of C6-C40-carboxylic acids or mixtures thereof with B2) monoethylenically unsaturated C3-C12-carboxylic acids, monoethylenically unsaturated C4-C12-dicarboxylic anhydrides, monoesters or monoamides of monoethylenically unsaturated C4-C12-dicarboxylic acids, amides of monoethylenically unsaturated C3-C12-carboxylic acids or mixtures thereof to give copolymers with molecular weights of 500 to 30,000, where the carboxyl groups which are present in aqueous medium are at least partially neutralized, and some of the carboxylic groups can be in amidated form, containing 0.5-40% by weight, based on the amount of copolymer, of defined emulsifiers.

    SOLUCIONES O DISPERSIONES ACUOSAS DE COPOLIMERIZADOS.

    公开(公告)号:MX9602940A

    公开(公告)日:1997-12-31

    申请号:MX9602940

    申请日:1995-01-16

    Applicant: BASF AG

    Abstract: Soluciones o dispersiones acuosas de copolimerizados, que se obtienen por copolimerizacion iniciada por radicales libres de A1) 40 hasta 60% en mol de monoolefinas con 6 hasta 40 átomos de carbono o alquil vinil éteres con 6 hasta 40 átomos de carbono o mezclas a partir de alquil vinil éteres con 6 hasta 40átomos de carbono y hasta 50% en mol, con respecto a la cantidad total del componente A1, de monoolefinas con 6 hasta 40 átomos de carbono, con B1) 60 hasta 40% en mol de anhídridos de ácidos dicarboxilicos monoetilénicamente insaturados con 4 hasta 8 átomos de carbono o por copolimerizacion iniciada por radicales libres de A2) 50 hasta 90% en peso de acrilato o metacrilatos de alquilo con 6 hasta 40 átomos de carbono o vinil ésteres de ácidos carboxílicos con 6 hasta 40 átomos de carbono, o mezclas de los mismos, con B2) 10 hasta 50% en peso de ácidos carboxílicos monoetilénicamente insaturados con 3 hasta 12 átomos de carbono, anhídridos de ácidos dicarboxílicos monoetilénicamente insaturados con 4 hasta 12 átomos de carbono, semiésteres o semiamidas de ácidos dicarboxílicos monoetilénicamente insaturados con 4 hasta 12 átomos de carbono, amidas de ácidos carboxílicos monoetilénicamente insaturados con 3 hasta 12 átomos de carbono, o mezclas de los mismos dando copolimerizados con masas molares de 500 hasta 30 000, estando los grupos carboxilo presentes en el medio acuoso al menos parcialmente neutralizados y pudiendo una parte de los grupos carboxilo estar presentes en forma amida, cuyas soluciones o dispersiones acuosas están caracterizadas por contener 0.5 hasta 40% en peso, con respecto a la cantidad de copolimerizado, de emulsionantes. Estas soluciones o dispersiones acuosas son apropiadas para el engrase y relleno de cueros y pieles.

Patent Agency Ranking