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    • 10. 发明申请
    • PROCESS FOR THE PRODUCTION OF A DARK-COLOR MULTI-LAYER COATING
    • 用于生产深色多层涂料的方法
    • US20110195180A1
    • 2011-08-11
    • US13063209
    • 2009-09-14
    • Gunter RichterKarl-Friedrich DoesselWildried Dutt
    • Gunter RichterKarl-Friedrich DoesselWildried Dutt
    • B05D5/06B05D5/00B05D3/00B05D1/38
    • B05D7/16B05D1/02B05D5/06B05D7/572B05D7/574B05D2202/10
    • A process for the production of a dark-color multi-layer coating, comprising the successive steps:(1) applying an NIR-opaque coating layer A′ from a waterborne pigmented coating composition A to a substrate, (2) applying a coating layer B′ from a waterborne pigmented coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise aqueous microgel and sheet silicate, wherein the pigment content of coating composition A consists 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment, wherein the pigment content of coating composition B consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment.
    • 一种用于生产深色多层涂层的方法,包括以下连续步骤:(1)将NIR不透明涂层A'从水性着色涂料组合物A施加到基材上,(2)涂覆涂层 (3)将步骤(2)中获得的涂布基材进行干燥步骤,(4)涂布透明涂层,和(5)将水性着色涂料组合物B中的B' 同时固化涂层; 其中两种涂料组合物A和B都包含水性微凝胶和片状硅酸盐,其中涂料组合物A的颜料含量为90-100wt。 铝片状颜料的%和0〜10重量% %的另外的颜料,其中涂料组合物B的颜料含量为50〜100wt。 %的低NIR吸收的黑色颜料和0至50wt。 %的其他颜料。