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    Method and system for low temperature cure of automotive refinish coatings
    1.
    发明授权
    Method and system for low temperature cure of automotive refinish coatings 有权

    公开(公告)号：US06436477B1

    公开(公告)日：2002-08-20

    申请号：US09771197

    申请日：2001-01-26

    申请人： Thomas J. Laginess ,  Patrick J. Mormile ,  Lawrence E. Thieben

    发明人： Thomas J. Laginess ,  Patrick J. Mormile ,  Lawrence E. Thieben

    IPC分类号： B05D302

    摘要： A polyurethane coating is prepared on a substrate using a multi-component coating composition having a first component containing a polyisocyanate material, a second component containing a polymeric polyol, and a third component containing a compound having at least two hindered secondary amine groups by first determining the temperature at curing of the coating will take place and then combining the first and second components and, when the cure temperature is less than about 20° C., particularly less than about 10° C., also combining the third component to prepare a combined coating composition; then applying the combined coating composition to the substrate and curing the applied coating layer.

    Coating composition curable with ultraviolet radiation
    5.
    发明授权
    Coating composition curable with ultraviolet radiation 有权
    用紫外线辐射固化的涂料组合物

    公开(公告)号：US07399793B2

    公开(公告)日：2008-07-15

    申请号：US10698887

    申请日：2003-10-31

    申请人： David W. Braun ,  Michelle Odajima ,  Thomas J. Laginess

    发明人： David W. Braun ,  Michelle Odajima ,  Thomas J. Laginess

    IPC分类号： C08F2/46 ,  C08F2/50 ,  C08J3/28 ,  B05D1/00

    CPC分类号： C09D167/07 ,  B05D3/067 ,  C05G3/0029 ,  C08F283/00 ,  C08F290/06 ,  C08F290/061 ,  C08F290/14 ,  C08F290/141 ,  C09D167/06 ,  C09D175/16

    摘要： A clearcoat curable by ultraviolet radiation including at least one of A) acrylate or methacrylate monomers or mixtures thereof having from one to six free-radically polymerizable groups per molecule or B) compounds containing two or more ethylenically unsaturated, free radically polymerizable groups per molecule and mixtures thereof or mixtures of A) and B). The coating may optionally include photoinitiators, volatile organic solvent(s) and customary additives. The invention further provides a process for applying the clearcoat to a substrate. In a preferred embodiment the process according to the present invention includes low energy curing of a clearcoat applied to a substrate by means of a UV light source utilizing UVA/UVV or UVA only and involves essentially no UVB or UVC radiation.

    摘要翻译： 紫外线辐射可固化的透明涂料包括A）丙烯酸酯或甲基丙烯酸酯单体或其混合物中至少一种，每分子具有一至六个可自由基聚合的基团，或B）每分子含有两个或更多个烯属不饱和的可自由基聚合基团的化合物，以及 其混合物或A）和B）的混合物。 涂层可以任选地包括光引发剂，挥发性有机溶剂和常规添加剂。 本发明还提供了一种将清漆涂布到基底上的方法。 在优选的实施方案中，根据本发明的方法包括通过仅使用UVA / UVV或UVA的UV光源施加到基底上的透明涂层的低能量固化，并且基本上不涉及UVB或UVC辐射。