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    AQUEOUS COATING COMPOSITION
    3.
    发明公开
    AQUEOUS COATING COMPOSITION 有权
    水性涂​​料组合物

    公开(公告)号：EP2513238A2

    公开(公告)日：2012-10-24

    申请号：EP10795579.1

    申请日：2010-12-15

    申请人： E.I. Du Pont De Nemours And Company

    发明人： FLOSBACH, Carmen ,  FIEBERG, Andreas ,  DREGER, Katharina ,  KREMPLER, Barbara

    IPC分类号： C09D133/06

    CPC分类号： C09D185/02 ,  C08K5/29 ,  C08L63/10 ,  C09D133/06 ,  Y10T428/31529

    摘要： The present invention refers to an aqueous coating composition comprising A) at least one binder combination of A1) 60 to 90 wt% of at least one water-dilutable (meth)acrylate copolymer comprising a) 10 to 80 wt% of at least one reaction product of a monoepoxyester and an an unsaturated acid functional monomer, b) 0 to 40 wt% of at least one hydroxyl functional unsaturated monomer which is different from component a), c) 1 to 8 wt% of at least one unsaturated acid functional monomer, and d) 0 to 70 wt% of at least one other polymerisable unsaturated monomer, wherein the wt% of a), b), c) and d) are adding up to 100% by weight, and A2) 10 to 40 wt% of at least one water-dilutable epoxyester resin, wherein the binder combination is prepared by mixing together both the at least one binder A1) and A2) after their preparation and jointly neutralizing this mixture by adding the appropriate amount of a base and conversion into an aqueous dispersion, wherein the wt% of A1) and A2) are adding up to 100% by weight, and B) at least one isocyanate compound as cross-linking agent, wherein the wt% of components A) and B) are adding up to 100% by weight. The aqueous coating composition according to the invention is particularly useful as top coat for direct coating of metal surfaces, particularly un-treated steel surfaces, providing high corrosion resistance and highly performed adhesiveness on the un-treated steel surfaces as well as high performance on appearance, e.g., gloss and flow.

    COATING AGENTS AND A PROCESS FOR THE PREPARATION OF MULTI-LAYER COATINGS
    5.
    发明授权
    COATING AGENTS AND A PROCESS FOR THE PREPARATION OF MULTI-LAYER COATINGS 有权
    种衣剂及其制造方法多层涂层

    公开(公告)号：EP1417245B1

    公开(公告)日：2010-01-27

    申请号：EP02752808.2

    申请日：2002-08-13

    申请人： E.I. DU PONT DE NEMOURS AND COMPANY

    发明人： FLOSBACH, Carmen ,  ten Elzen, Kerstin ,  MATTEN, Stefanie ,  SCHUBERT, Walter

    IPC分类号： C08G18/42 ,  C08G63/60 ,  C08G63/20 ,  C09D167/00

    CPC分类号： C09D175/06 ,  C08G18/4233 ,  C08G18/792 ,  C08L61/28 ,  C09D167/00 ,  C08L2666/16

    摘要： Coating agents with resin solids of(a) 10 wt-% to 80 wt-% of a non-aromatic polyester polyol,(b) 0 wt-% to 70 wt-% of at least one constituent selected from the group consisting of hydroxyl-functional binders that are different from polyester polyol (a), hydroxyl-functional reactive thinners and combinations thereof, and(c) 20 wt-% to 60 wt-% of at least one cross-linking agent for the hydroxyl-functional components (a) and (b),wherein the polyester polyol (a) has a calculated molecular mass from 600 to 1400, an acid value from 0 to 30 mg KOH/g and an hydroxyl value from 250 to 600 mg KOH/g with a calculated hydroxyl functionality from 4.5 to 10, and is composed of components which comprise (a1) hydroxyl components comprising 0 wt-% to 20 wt-% of at least one diol and 80 wt-% to 100 wt-% of at least one polyol having 3 to 6 hydroxyl groups, (a2) carboxyl components comprising 0 wt-% to 20 wt-% of at least one monocarboxylic acid and 80 wt-% to 100 wt-% of at least one dicarboxylic acid, and optionally (a3) at least one hydroxycarboxylic acid component,the sum of the percentages by weight of components (a) to (c), of components (a1) and of components (a2) being 100% in each case.

    NON-AQUEOUS, LIQUID COATING COMPOSITIONS
    8.
    发明公开
    NON-AQUEOUS, LIQUID COATING COMPOSITIONS 有权
    非水性液体涂料组合物

    公开(公告)号：EP1971626A2

    公开(公告)日：2008-09-24

    申请号：EP07709584.2

    申请日：2007-01-09

    申请人： E.I. DU PONT DE NEMOURS AND COMPANY

    发明人： FLOSBACH, Carmen ,  FEY, Thomas ,  RENKES, Tanja

    IPC分类号： C08G18/80 ,  C09D175/04

    CPC分类号： C08G18/8016 ,  C08G18/10 ,  C09D175/04 ,  C08G18/72

    摘要： Non-aqueous, liquid coating compositions which contain at least one hydroxyl-functional polyurethane resin A as the only hydroxyl-functional binder(s) and at least one crosslinking agent B with groups reactive with the hydroxyl groups of A, wherein the at least one polyurethane resin A is present as particles having a melting temperature of 40 to 180°C.

    摘要翻译： 包含至少一种羟基官能聚氨酯树脂A作为唯一的羟基官能粘合剂和至少一种具有与A的羟基反应的基团的交联剂B的非水性液体涂料组合物，其中所述至少一种 聚氨酯树脂A以熔融温度为40-180℃的颗粒存在。

    PROCESS FOR THE PRODUCTION OF POLYURETHANE DI(METH)ACRYLATES
    10.
    发明公开
    PROCESS FOR THE PRODUCTION OF POLYURETHANE DI(METH)ACRYLATES 有权
    用于生产POLYURETHANDI（甲基）丙烯酸酯

    公开(公告)号：EP1828275A1

    公开(公告)日：2007-09-05

    申请号：EP05804253.2

    申请日：2005-10-13

    申请人： E.I. du Pont de Nemours and Company

    发明人： FLOSBACH, Carmen ,  MATTEN, Stefanie

    IPC分类号： C08G18/67 ,  C08G18/32 ,  C08G18/72 ,  C09D175/16

    CPC分类号： C08G18/8175 ,  C08G18/3206 ,  C08G18/3212 ,  C08G18/672 ,  C08G18/73 ,  C08G2150/20 ,  C09D175/16

    摘要： A process for the production of polyurethane di(meth)acrylates in which a diisocyanate component, a diol component and hydroxy-C2-C4-alkyl (meth)acrylate in the molar ratio x:(x-1):2 are reacted without solvent and without subsequent purification operations, wherein x means any desired value from 2 to 5, wherein 50 to 80 mol % of the diisocyanate component is formed by 1,6-hexane diisocyanate, and 20 to 50 mol % by one or two diisocyanates, each forming at least 10 mol % of the diisocyanate component and being selected from the group consisting of toluylene diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, isophorone diisocyanate, trimethylhexane diisocyanate, cyclohexane diisocyanate, cyclohexanedimethylene diisocyanate and tetramethylenexylylene diisocyanate, wherein the mol % of the respective diisocyanates add up to 100 mol %, wherein the diol component comprises no more than four different diols, and 20 to 100 mol % of the diol component is formed by at least one linear aliphatic alpha,omega-C2-C12-diol, and 0 to 80 mol % by at least one (cyclo)aliphatic diol that is different from linear aliphatic alpha,omega-C2-C12-diols, wherein each diol of the diol component forms at least 10 mol % within the diol component, and wherein the mol % of the respective diols add up to 100 mol %.