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    Water-Borne Metallic Coating Composition and Method of Forming Multilayered Coating Film
    3.
    发明申请
    Water-Borne Metallic Coating Composition and Method of Forming Multilayered Coating Film 审中-公开
    水溶性金属涂料组合物和形成多层涂膜的方法

    公开(公告)号：US20090041942A1

    公开(公告)日：2009-02-12

    申请号：US11989428

    申请日：2006-07-27

    申请人： Kouki Hayashi ,  Kouichi Ohara ,  Hideaki Ogawa ,  Tomohito Asai ,  Hiroto Yoneda

    发明人： Kouki Hayashi ,  Kouichi Ohara ,  Hideaki Ogawa ,  Tomohito Asai ,  Hiroto Yoneda

    IPC分类号： B05D3/02 ,  C09D5/00 ,  C09D161/28

    CPC分类号： C09D161/28 ,  B05D5/068 ,  B05D7/532 ,  C08F220/14 ,  C08F220/18 ,  C08F220/26 ,  C08F220/40 ,  C08F222/1006 ,  C08F257/02 ,  C08F265/00 ,  C08F265/04 ,  C08G18/283 ,  C08G18/73 ,  C08G18/755 ,  C08G18/7642 ,  C08L51/003 ,  C08L2666/02 ,  C09D5/028 ,  C09D5/29 ,  C09D151/003 ,  C09J151/003

    摘要： Purpose of the present invention is consists in provision of a water-borne metallic color coating composition, a two-coating and one-baking application method therewith, and a multilayered coating film having an excellent flip-flop property thereby, wherein the water-borne metallic color coating composition has superior properties such as coloring property, recoat adhesion, chipping resistance, water-resistant adhesion, and the like. The water-borne metallic color coating composition can provide a coating film having the above-superior properties and an excellent flip-flop property, by a two-coating and one-baking application method, without disturbing the orientation of the luster color pigment(s) therein before/after an application of a clear coating composition and without adversely effecting on the flip-flop property.The present invention provides a water-borne metallic color coating composition comprising a film forming resin, a curing agent and a luster color pigment, wherein the film forming resin comprises an acrylic resin emulsion, which is obtainable by a two-stage emulsion polymerization, and which has an acid value within a range of from 1 to 30 mgKOH/g (as a basis of the solid resin content), a hydroxyl value within a range of from 10 to 150 mgKOH/g (as a basis of the solid resin content), and a particle size within a range of from 20 to 140 nm, and the curing agent is an aqueous dispersion of a hydrophobic melamine resin having a particle size within a range of from to 140 nm.

    摘要翻译： 本发明的目的在于提供一种水性金属着色涂料组合物，一种双涂层和一种烘烤涂布方法，以及具有优异的触发性能的多层涂膜，其中水性 金属彩色涂料组合物具有优异的性能，如着色性，重涂性，耐崩裂性，耐水粘附性等。 水性金属彩色涂料组合物可以通过双重涂布和一次烘烤施加方法提供具有上述优异性能和优异的触发性能的涂膜，而不会影响光泽颜料颜料的取向 ）在施加透明涂料组合物之前/之后，并且不会对触发器性能产生不利影响。 本发明提供一种水性金属着色涂料组合物，其包含成膜树脂，固化剂和光泽颜料，其中所述成膜树脂包括可通过两步乳液聚合获得的丙烯酸树脂乳液和 其酸值在1至30mgKOH / g（作为固体树脂含量的基础）的范围内，羟值在10至150mgKOH / g的范围内（作为固体树脂含量的基础 ），粒度为20〜140nm的范围，固化剂为粒度为140nm以下的疏水性三聚氰胺树脂的水性分散体。