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    Powder coating composition and its use for the preparation of matte coatings
    1.
    发明授权
    Powder coating composition and its use for the preparation of matte coatings 失效
    粉末涂料组合物及其用于制备无光泽涂料的用途

    公开(公告)号：US5786419A

    公开(公告)日：1998-07-28

    申请号：US649044

    申请日：1996-05-16

    申请人： Hans-Ulrich Meier-Westhues ,  Wolfgang Schultz ,  Hans Josef Laas ,  Walter Schafer ,  Hans-Peter Klee

    发明人： Hans-Ulrich Meier-Westhues ,  Wolfgang Schultz ,  Hans Josef Laas ,  Walter Schafer ,  Hans-Peter Klee

    IPC分类号： C09D5/03 ,  C08G18/10 ,  C08G18/38 ,  C08G18/66 ,  C08G18/79 ,  C09D5/00 ,  C09D5/28 ,  C09D5/46 ,  C09D175/00 ,  C09D175/04 ,  C09D175/06 ,  C08J3/00 ,  C08K3/20 ,  C08L75/00

    CPC分类号： C08G18/798 ,  C08G18/10 ,  C08G18/3825 ,  C08G18/6633 ,  C08G2150/20 ,  Y10T428/31551

    摘要： The present invention relates to a powder coating composition for the production of matte coatings, containing A) a hydroxyl group-containing component, B) an addition polymerization compound which is based on aliphatic and/or cycloaliphatic diisocyanates and contains uretdione groups, C) a component which contains carboxyl and/or carboxylic acid anhydride groups and is selected from C1) aliphatic and/or cycloaliphatic dicarboxylic acids containing 4 to 20 carbon atoms, C2) monomeric and/or polymeric anhydrides of the acids C1) which may optionally be modified and C3) aliphatic hydroxycarboxylic acids containing 4 to 18 carbon atoms, and D) a component which contains groups which are reactive with carboxyl and/or carboxylic acid anhydride groups, provided that components A), B), C) and D) are present in amounts such that 0.6 to 1.4 isocyanate groups of component B) are present for each hydroxyl group of component A), 0.3 to 1.5 groups of component D) which are reactive with carboxyl and/or carboxylic acid anhydride groups are present for each carboxyl equivalent of component C) and the amount of components C) and D) is 10 to 40% by weight of the total amount of components A), B), C) and D). The present invention also relates to the use of this powder coating composition for coating heat-resistant substrates.

    摘要翻译： 本发明涉及一种用于生产无光泽涂层的粉末涂料组合物，其含有A）含羟基的组分，B）基于脂族和/或脂环族二异氰酸酯并含有脲二酮基团的加成聚合化合物，C） 含有羧基和/或羧酸酐基团的组分，并且选自C1）含有4至20个碳原子的脂族和/或脂环族二羧酸，C2）可任选地被修饰的酸C1）的单体和/或聚合酸酐， C3）含有4至18个碳原子的脂族羟基羧酸，以及D）含有与羧基和/或羧酸酐基团反应的基团的组分，条件是组分A），B），C）和D）存在于 数量使得组分B）的每个羟基存在0.6至1.4个异氰酸酯基团组分A），0.3至1.5组与羧基反应的组分D） 对于组分C）的每个羧基当量存在d /或羧酸酐基团，并且组分C）和D）的量为组分A），B），C）和D的总量的10至40重量％ ）。 本发明还涉及这种粉末涂料组合物用于涂覆耐热基材的用途。

    Coating compositions, a process for their production and their use for coating water-resistant substrates
    2.
    发明授权
    Coating compositions, a process for their production and their use for coating water-resistant substrates 失效
    涂料组合物，其制备方法及其用于涂覆耐水基材的用途

    公开(公告)号：US06376602B1

    公开(公告)日：2002-04-23

    申请号：US08432560

    申请日：1995-05-01

    申请人： Joachim Probst ,  Werner Kubitza ,  Rolf Roschu ,  Hans Josef Laas

    发明人： Joachim Probst ,  Werner Kubitza ,  Rolf Roschu ,  Hans Josef Laas

    IPC分类号： C08J300

    CPC分类号： C08G18/6245 ,  C08G18/0819 ,  C08G18/283 ,  C08G18/6229 ,  C08G18/706 ,  C08G18/8064

    摘要： The present invention relates to water-borne coating compositions wherein the binder contains a mixture of a) a polyol component dispersed in water or a water/solvent mixture which contains at least one polymer prepared from olefinically unsaturated monomers and having a molecular weight (Mn) of at least 500, at least two alcoholic hydroxyl groups per molecule, a hydroxyl value of 15 to 250 mg KOH/g, an acid value of 0 to 7 mg KOH/g and a total content of sulfonate and carboxylate groups of 0 to 4.5 milliquivalents per 100 g of solid resin and b) a polyisocyanate component which is emulsified in the dispersion of polyol component a), has a viscosity at 23° C. of 50 to 10,000 mPa.s and an average NCO functionality of 1.8 to 4.2, and contains 12.0 to 21.5% by weight of (cyclo)aliphatically bound isocyanate groups and, optionally, 2 to 20% by weight of ethylene oxide units present within polyether chains, the polyether chains containing a statistical average of 5 to 70 ethylene oxide units, wherein the components are present in quantities corresponding to an equivalent ratio of isocyanate groups of component b) to alcoholic hydroxyl groups of component a) of 0.2:1 to 5:1. The present invention also relates to a process for the production of these coating compositions and to coated water-resistant substrates prepared from these coating compositions.

    摘要翻译： 本发明涉及水性涂料组合物，其中粘合剂含有分散在水中的多元醇组分或含有至少一种由烯属不饱和单体制备的聚合物的水/溶剂混合物的混合物，其分子量（Mn）为 每分子至少500个，至少两个醇羟基，羟基值为15-250mg KOH / g，酸值为0-7mg KOH / g，磺酸盐和羧酸酯基团的总含量为0-4.5毫克 每100g固体树脂和b）在多元醇组分a）的分散体中乳化的多异氰酸酯组分，其在23℃下的粘度为50至10,000mPa.s，平均NCO官能度为1.8至4.2，并且包含 12.0至21.5重量％的（环）脂族结合的异氰酸酯基团和任选地2至20重量％存在于聚醚链内的环氧乙烷单元，所述聚醚链含有5-70个环氧乙烷单元的统计平均值 其中组分以对应于组分b）的异氰酸酯基团与组分a）的醇羟基的当量比为0.2:1至5:1存在。 本发明还涉及制备这些涂料组合物的方法和由这些涂料组合物制备的涂覆的耐水基材。