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    • 3. 发明授权
    • Methods for forming composite coatings on substrates
    • 在基材上形成复合涂层的方法
    • US06180181B2
    • 2001-01-30
    • US09211127
    • 1998-12-14
    • Christopher A. VerardiDennis L. FalerMarvis E. HartmanNicholas J. CranoRodger G. TempleVictoria A. Trettel
    • Christopher A. VerardiDennis L. FalerMarvis E. HartmanNicholas J. CranoRodger G. TempleVictoria A. Trettel
    • B05D136
    • B05D7/572
    • The present invention provides methods for forming composite coatings on substrates including the steps of: (A) applying an aqueous primary coating composition to at least a portion of a surface of a substrate, the primary coating composition including: (1) at least one thermosettable dispersion including polymeric microparticles having functionality adapted to react with a crosslinking material, the microparticles including: (a) at least one acid functional reaction product of ethylenically unsaturated monomers; and (b) at least one hydrophobic polymer having a number average molecular weight of at least about 500; and (2) at least one crosslinking material, to form a substantially uncured primary coating thereon; (B) applying a secondary coating composition to at least a portion of the primary coating formed in step (A) without substantially curing the primary coating to form a substantially uncured secondary coating thereon; and (C) applying a clear coating composition to at least a portion of the secondary coating formed in step (B) without substantially curing the secondary coating to form a substantially uncured composite coating thereon.
    • 本发明提供了在基材上形成复合涂层的方法,包括以下步骤:(A)将水性初级涂料组合物施用至基材表面的至少一部分,所述主要涂料组合物包括:(1)至少一种可热固化 包括具有适于与交联材料反应的官能团的聚合物微粒的分散体,所述微粒包括:(a)至少一种烯属不饱和单体的酸官能反应产物; 和(b)数均分子量为至少约500的至少一种疏水性聚合物; 和(2)至少一种交联材料,以在其上形成基本上未固化的初级涂层; (B)将第二涂料组合物施加到步骤(A)中形成的初级涂层的至少一部分,而基本上不固化初级涂层,以在其上形成基本上未固化的二次涂层; 和(C)将透明涂料组合物施加到步骤(B)中形成的二次涂层的至少一部分,而基本上不固化二次涂层,以在其上形成基本上未固化的复合涂层。