MULTIFUNKTIONELLE POLYMERE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG
    31.
    发明公开
    MULTIFUNKTIONELLE POLYMERE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG 有权
    多功能聚合物,其制造方法相同,它们的用途

    公开(公告)号:EP1274753A1

    公开(公告)日:2003-01-15

    申请号:EP01938098.9

    申请日:2001-04-10

    CPC classification number: C08F220/00 C08F218/04 C08F220/04

    Abstract: The invention relates to multifunctional polymers, comprising polymerised units of (a) ?-acyloxyacrylonitrile, ?-haloacrylic acid, ?-acyloxyacrylate ester and/or ?-hydroxyacrylic acid; (b) monoethylenic unsaturated carboxylic acids; (c) vinyl esters of saturated aliphatic monocarboxylic acids and/or vinyl alcohol and, optionally, (d) other monoethylenic unsaturated monomers, co-polymerisable with the monomers (a) to (c) and, optionally, (e) at least two cross-linking compounds, containing ethylenic unsaturated double bonds and with a K-value of at least 7 (determined by the method of H. Fikentscher in acetone at 25?o¿C and a polymer concentration of 1 % by weight). The invention further relates to a method for the production of multifunctional polymers by the copolymerisation of monomer mixtures comprising (a) ?-acyloxyacrylonitrile, ?-haloacrylic acid, ?-acyloxyacrylate ester and/or ?-hydroxyacrylic acid; (b) monoethylenic unsaturated carboxylic acids; (c) vinyl esters of saturated aliphatic monocarboxylic acids and/or vinyl alcohol and, optionally (d) other monoethylenic unsaturated monomers, co-polymerisable with the monomers (a) to (c) and, optionally, (e) at least two cross-linking compounds, containing ethylenic unsaturated double bonds, in the presence of radical forming polymerisation initiators and partial or complete hydrolysis of polymerised monomer units (a) and (c) in the co-polymer obtained as above. Furthermore, the invention relates to the use of said multifunctional copolymers as additives in washing and cleaning agents, for the binding of polyvalent metal ions, as stabiliser in the bleaching of textiles and the bleaching of fibrous material for the production of paper.

    VERWENDUNG VON MODIFIZIERTEN POLYASPARAGINSÄUREN IN WASCHMITTELN
    34.
    发明公开
    VERWENDUNG VON MODIFIZIERTEN POLYASPARAGINSÄUREN IN WASCHMITTELN 失效
    采用改性聚洗涤剂中的

    公开(公告)号:EP0874891A1

    公开(公告)日:1998-11-04

    申请号:EP96930976.0

    申请日:1996-08-29

    CPC classification number: C08G73/1092 C11D3/3719

    Abstract: The invention concerns the use of modified polyaspartic acids as additives to washing agents and washing agents containing the modified polyaspartic acids in amounts of between 0.1 and 20 wt.%. The modified polyaspartic acids are obtained by the polycondensation of aspartic acid in the presence of: (a) 2.5 to 25 mol % amines with at least 6 carbon atoms; and (b) at least 2 wt.% phosphoric acid, phosphorous acid, hypophosphorous acid, polyphosphoric acids, phosphorus pentoxide, phosphonic acids or mixtures of said acids, in each case relative to the amount of aspartic acid used, at temperatures of at least 120 °C and subsequent hydrolysis with bases to give modified polyaspartic acids with a phosphorus content of between 0.5 and 10 wt.%.

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