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    Process for the multilayer coating of substrates
    2.
    发明公开
    Process for the multilayer coating of substrates 审中-公开
    维尔法赫恩zum Aufbringen eines mehrschichtigenÜberzugesauf eine Unterlage

    公开(公告)号：EP1736246A1

    公开(公告)日：2006-12-27

    申请号：EP06011749.6

    申请日：2006-06-07

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

    发明人： Goebel, Armin ,  Bruylants, Paul ,  Huybrechts, Josef ,  Wiggershaus, Stephan

    IPC分类号： B05D7/00 ,  B05D5/00

    CPC分类号： C08G18/10 ,  B05D5/005 ,  B05D7/532 ,  C08G18/0823 ,  C09D175/04 ,  C08G18/3228 ,  C08G18/348

    摘要： The invention is directed to a process for multilayer coating of substrates comprising the following steps:
    1. applying a base coat layer of a water-based colour- and/or special effect-imparting base coat composition onto an optionally precoated vehicle substrate,
    2. optionally drying or curing the base coat layer obtained in step 1,
    3. applying a clear coat layer of a transparent clear coat onto the base coat layer and
    4. curing the clear coat layer applied in step 3, optionally together with the base coat layer, wherein the water-based colour- and/or special effect-imparting base coat composition comprises:
    A) at least one colour- and/or special effect-imparting pigment,
    B) water and optionally organic solvents and conventional coating additives and
    C) at least one water-dilutable polyurethane/urea resin with a urethane group content of 80 - 220 mmol/g of solid resin of the polyurethane/urea resin, a urea group content of 20-150 mmol/g of solid resin of the polyurethane/urea resin and a crosslinked fraction of 20-95%, relative to solid resin of the polyurethane/urea resin.

    摘要翻译： 本发明涉及一种用于多层涂布基材的方法，包括以下步骤：1.将水性着色和/或特殊效果的底涂层组合物的底涂层施加到任选的预涂布的载体基材上。 任选地干燥或固化步骤1,3中获得的底涂层，3.将透明涂层的透明涂层施加到底涂层上，以及4.将在步骤3中施加的透明涂层固化，任选地与底涂层 其中所述水性着色剂和/或特殊效果赋予底漆组合物包含：A）至少一种着色和/或特殊效果赋予颜料，B）水和任选的有机溶剂和常规涂料添加剂，和C） 至少一种氨基甲酸酯基含量为80-220mmol / g的聚氨酯/脲树脂的固体树脂的尿素基含量为20-150mmol / g的聚氨酯/尿素树脂，聚氨酯/ 尿素树脂a d相对于聚氨酯/脲树脂的固体树脂为20-95％的交联部分。

    Aqueous coating compositions with phosphonic acid based compounds
    4.
    发明公开
    Aqueous coating compositions with phosphonic acid based compounds 有权
    äten ten ten ten ten ten ten ten ten ten ten ten ten ten ten ten ten

    公开(公告)号：EP1213334A1

    公开(公告)日：2002-06-12

    申请号：EP01127182.2

    申请日：2001-11-16

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

    发明人： Huybrechts, Josef ,  Koerner, Michael ,  Bruylants, Paul ,  Kirshenbaum, Kenneth S.

    IPC分类号： C09D163/00 ,  C08G59/40 ,  C09D5/38

    CPC分类号： C09D5/38 ,  C08G59/4071 ,  C09D163/00 ,  Y10T428/31511 ,  Y10T428/31515 ,  Y10T428/31522 ,  C08L2666/54

    摘要： The invention is directed to gassing stabilized aqueous coating compositions comprising

    A) a metallic pigment and at least one reaction product of:

    (a) 5 to 95 weight percent of a at least one phosphonic acid derivative selected form compound I and II
    wherein R 1 is H or O=P(OH) 2 ; R 2 and R 3 are independently H, OH or an aliphatic, cycloaliphatic and aromatic substituent having 1 to 25 carbon atoms and optionally up to 10 heteroatoms of at least one of oxygen and phosphorus; and R' is an aliphatic, cycloaliphatic and aromatic substituent having 1 to 25 carbon atoms and optionally up to 10 heteroatoms of at least one of oxygen and phosphorus;
    (b) 5 to 95 weight percent of a at least one compound having at least two epoxy groups and a number average molecular weight Mn of 300 to 5000 g/mol; and
    (c) 0 to 90 weight percent of a compound having one epoxy-functional group, wherein the proportions by weight of components (a), (b) and (c) total 100 weight percent.

    B) at least one metallic pigment.

    摘要翻译： 本发明涉及放气稳定的水性涂料组合物，其包含A）金属颜料和至少一种反应产物：（a）5-95重量％的选自化合物I和II

    Hydroxy-functional (meth)acrylic copolymers and coating compositions
    5.
    发明公开
    Hydroxy-functional (meth)acrylic copolymers and coating compositions 有权
    Hydroxyfunktionelle（Meth）丙烯酸酯 - 共聚物Überzugsmischungen

    公开(公告)号：EP1201690A2

    公开(公告)日：2002-05-02

    申请号：EP01122704.8

    申请日：2001-09-21

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

    发明人： Delmotte, Ann ,  Huybrechts, Josef ,  Kerber, Hermann ,  Ley, Olaf ,  Paulussen, Harold ,  Vaes, Ann

    IPC分类号： C08F220/28 ,  C09J133/14

    CPC分类号： C09D175/04 ,  C08F8/14 ,  C08F2810/20 ,  C08G18/6237 ,  Y10T428/31511 ,  Y10T428/31522 ,  Y10T428/31786 ,  Y10T428/31928 ,  Y10T428/31935 ,  C08F220/28

    摘要： The invention relates to hydroxy-functional (meth)acrylic copolymers having an OH value from 40 to 260 mg KOH/g, a number average molecular mass (Mn) from 1500 to 20000 g/mole and a glass transition temperature Tg from -40 °C to 80 °C, containing

    A) polymerized monomers of at least one epoxy-functional, olefinically unsaturated monomer,
    B) at least one compound having a carboxyl group and at least one hydroxyl group in the molecule that is reacted with the epoxy functional group of the polymerized olefincially unsaturated monomers,
    C) at least one additional polymerized olefinically unsaturated monomer capable of radical polymerization which is different from component A) and
    D) optionally at least one lactone reacted with the polymer.
    It also relates to processes for making the copolymers and to coating compositions that contain the hydroxy-functional (meth)acrylic copolymers and to the use thereof in multi-layer automotive coatings.

    摘要翻译： 本发明涉及OH值为40〜260mgKOH / g，数均分子量（Mn）为1500〜20000g / mol，玻璃化转变温度Tg为-40℃的羟基官能（甲基）丙烯酸系共聚物。 C至80℃，含有A）至少一种环氧官能的烯属不饱和单体的聚合单体，B）至少一种在分子中与环氧官能团反应的具有羧基和至少一个羟基的化合物 的聚合的烯基不饱和单体，C）至少一种能够自由基聚合的另外的聚合的烯属不饱和单体，其不同于组分A）和D）任选地至少一种与聚合物反应的内酯。 它还涉及制备共聚物和含有羟基官能（甲基）丙烯酸共聚物的涂料组合物的方法及其在多层汽车涂料中的用途。