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    AQUEOUS CROSS-LINKABLE BINDER COMPOSITION AND COATING, LACQUER OR SEALING COMPOSITION COMPRISING SUCH A BINDER COMPOSITION
    2.
    发明授权
    AQUEOUS CROSS-LINKABLE BINDER COMPOSITION AND COATING, LACQUER OR SEALING COMPOSITION COMPRISING SUCH A BINDER COMPOSITION 有权
    可固化水性粘合剂组合物和涂料，油漆或密封剂组合物，其用粘合剂组合物包括

    公开(公告)号：EP1285035B1

    公开(公告)日：2007-07-11

    申请号：EP01936362.1

    申请日：2001-05-11

    申请人： Akzo Nobel Coatings International B.V.

    发明人： BUTER, Roelof ,  STEENBERGEN, André ,  GEURINK, Petrus, Johannes, Arnoldus ,  SCHERER, Taco

    IPC分类号： C09D175/06 ,  C08G18/08 ,  C08G18/42 ,  C08G18/63 ,  C08G18/68 ,  C08G18/81 ,  C08F283/01 ,  C09D167/06

    CPC分类号： C09D175/06 ,  C08F283/01 ,  C08G18/0819 ,  C08G18/423 ,  C08G18/4291 ,  C08G18/4294 ,  C08G18/5024 ,  C08G18/635 ,  C08G18/638 ,  C08G18/686 ,  C08G18/706 ,  C08G18/8108 ,  C08G2270/00 ,  C08L51/08 ,  C09D151/08 ,  C09D167/06 ,  C08L2666/14 ,  C08L2666/36

    摘要： Aqueous-based cross-linkable binder composition comprising(A) an aqueous dispersion of a polyester-polyacrylate hybrid resin 50 to 90 wt. % of which is composed of polyester and 10 to 50 wt. % of which is composed of polyacrylate, which hybrid resin is obtainable by grafting a composition of radically polymerisable unsaturated monomers onto a partially unsaturated hydroxy-functional polyester resin, and(B) an organic polyisocyanate, whereinthe partially unsaturated hydroxy-functional polyester is obtainable by reaction of a mixture of polycarboxylic and, optionally, monocarboxylic acids, and one or more (cyclo)aliphatic alcohols, wherein 0.5-6 mole % of the acids or alcohols are ethylenically unsaturated, andthe composition of radically polymerisable unsaturated monomers comprises a mixture of hydrophobic and hydrophilic monomers, wherein(a) the hydrophobic monomers are selected from the group of aromatic vinyl compounds and (cyclo)alkyl(meth)acrylates with 4 or more carbon atoms in the (cyclo)alkyl group, and(b) the hydrophilic monomers are selected from the group of (meth)acrylic acid, (meth)acrylamide, (meth)acrylonitrile, optionally substituted; unsaturated monomers containing a sulphonic acid salt group; hydroxyalkyl(meth)acrylates; and, optionally, unsaturated monomers containing nonionic groups such as C1-C4 alkoxy polyalkylene oxide groups, wherein the molar ratio of unsaturated carboxylic acid groups to unsaturated sulphonic acid groups is between 1:1 and 4:1, the molar ratio of components (a) to components (b) is between 1:2 and 3:1, the COOH value is between 20 and 80, and the SO3H value is between 10 and 40, and the carboxylic acid groups are at least partly neutralised, a coating composition comprising such a binder composition, a process for the production of coating compositions consisting of said aqueous binder composition and, optionally, auxiliaries and additives known from lacquer technology, and a cross-linked coated substrate prepared by applying such a coating composition.

    BRANCHED HYDROXYL-FUNCTIONAL POLYESTER RESIN AND ITS USE IN AQUEOUS CROSS-LINKABLE BINDER COMPOSITIONS
    5.
    发明授权
    BRANCHED HYDROXYL-FUNCTIONAL POLYESTER RESIN AND ITS USE IN AQUEOUS CROSS-LINKABLE BINDER COMPOSITIONS 有权
    支链羟基官能聚酯树脂的合成及其在水性可交联粘合剂组合

    公开(公告)号：EP1274756B1

    公开(公告)日：2005-11-09

    申请号：EP01938121.9

    申请日：2001-04-13

    申请人： Akzo Nobel Coatings International B.V.

    发明人： BUTER, Roelof ,  STEENBERGEN, André ,  SCHERER, Taco ,  GEURINK, Petrus, Johannes, Arnoldus

    IPC分类号： C08G18/08 ,  C08G18/42 ,  C08G18/46 ,  C09D175/06 ,  C09D167/02

    CPC分类号： C09D175/06 ,  C08G18/0828 ,  C08G18/4244 ,  C08G18/4676 ,  C08G63/668 ,  C09D167/025 ,  C08L2666/36

    摘要： Branched hydroxyl-functional polyester resin having an average hydroxyl functionality of ⊃ 2, a hydroxyl number of 25 to 300 mg KOH/g, and a number average molecular weight within the range of from 500 to 3,000, which polyester resin comprises polyalkylene oxide groups and, optionally, sulphonate groups, characterised in that the polyester resin comprises the reaction product of: 1) a mixture of carboxylic acids comprising 50 to 80 mole % of an m- and/or p-aromatic and/or cycloaliphatic dicarboxylic acid, 20 to 50 mole % of an aliphatic dicarboxylic acid and/or aliphatic monocarboxylic acid with more than 6 carbon atoms, and, optionally, a tri- or higher-functional acid; and 2) a mixture of alcohols comprising an aliphatic diol with at least 4 carbon atoms and/or a cycloaliphatic diol with at least 4 carbon atoms, a C1-C4 alkoxy polyalkylene oxide glycol and/or C1-C4 alkoxy polyalkylene oxide 1,3-diol having a number average molecular weight of 500 to 3,000, and, optionally, a tri- or higher-functional polyalcohol, wherein the polyester resin has a carboxylic acid number of ≤ 20 mg KOH/g (≤ 0.357 meq COOH groups per g of resin) and, optionally, a sulphonate number of ≤ 4 mg KOH/g (≤ 0,070 meq sulphonate groups per g of resin), the acid groups being at least partly neutralised.