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    • 3. 发明授权
    • Method for forming multilayer coating film
    • 多层涂膜形成方法
    • US09017768B2
    • 2015-04-28
    • US12999781
    • 2009-06-24
    • Yasuhiro TomizakiTakuya KawachiTakahisa Ooya
    • Yasuhiro TomizakiTakuya KawachiTakahisa Ooya
    • B05D7/14B05D7/00
    • B05D7/572B05D7/14B05D7/542B05D2451/00Y10T428/31794B05D2401/20
    • The invention offers methods for forming multilayer coating film excelling in smoothness, distinctness of image, water resistance and chipping resistance, the methods comprising successively applying onto a coating object a water-based first coloring paint and a water-based second coloring paint, and simultaneously heating and curing the resultant first colored coating film and second colored coating film, in which the water-based first coloring paint comprises hydroxy-containing polyester resin, curing agent, and water-dispersible acrylic resin which is obtained by polymerization of a monomer component comprising 30-100 mass % of C5-22 alkyl-containing polymerizable unsaturated monomer and 0-70 mass % of polymerizable unsaturated monomer other than the C5-22 alkyl-containing polymerizable unsaturated monomer.
    • 本发明提供了形成平滑度,图像清晰度,耐水性和耐崩裂性的多层涂膜的方法,该方法包括依次在涂层物体上施加水性第一着色涂料和水性第二着色涂料,同时 对所得到的第一着色涂膜和第二着色涂膜进行加热和固化,其中水性第一着色涂料包含含羟基的聚酯树脂,固化剂和水分散性丙烯酸树脂,其通过将包含 30-100质量%的含C5-22烷基的可聚合不饱和单体和0-70质量%的可含有C 5-22烷基的可聚合不饱和单体以外的可聚合不饱和单体。