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2. 发明申请

US20160251542A1 AQUEOUS COATING COMPOSITION FOR APPLYING A TOPCOAT 审中-公开
标题翻译：适用于TopCOAT的水性涂料组合物
公开(公告)号：US20160251542A1
公开(公告)日：2016-09-01
申请号：US15027138
申请日：2014-09-04
申请人： BASF Coatings GmbH
发明人： Frank JOEGE , Nicole ROTH , Petra TOBOLL
IPC分类号： C09D175/16 , B05D3/00 , C09D161/28
CPC分类号： C09D175/16 , B05D3/007 , C09D161/28 , C09D175/06 , C09D201/00 , C08L51/08
摘要： The present invention relates to a use of an aqueous coating composition for applying a topcoat to at least one side of a substrate metal surface coated at least with a primer coat, said aqueous coating composition comprising at least one binder (A) in dispersion or solution in water, at least one crosslinking agent (B), at least one second binder (C) in dispersion or solution in water, and optionally at least one pigment (D), the second binder (C) being a copolymer which is obtainable by copolymerization of ethylenically unsaturated monomers in the presence of at least one polyurethane resin having polymerizable carbon double bonds; to a process for coating a substrate metal surface coated at least with a primer coat, said process comprising at least one step of at least single-sidedly applying the aqueous coating composition as topcoat to the substrate metal surface coated at least with a primer coat; and also to a coated substrate obtainable by this process.
摘要翻译：本发明涉及一种水性涂料组合物在至少涂底漆涂层的基材金属表面的至少一面上施用面漆的用途，所述水性涂料组合物包含至少一种分散体或溶液中的粘合剂（A）在水中，至少一种交联剂（B），分散体或水溶液中的至少一种第二粘合剂（C）和任选的至少一种颜料（D），第二粘合剂（C）是可由在至少一种具有可聚合碳双键的聚氨酯树脂的存在下，烯属不饱和单体的共聚合; 涉及用于涂覆至少涂底漆涂层的基底金属表面的方法，所述方法包括至少一个步骤，至少将水性涂料组合物作为顶涂层单面施涂到至少涂底漆涂层的基材金属表面上; 并且还可以通过该方法获得的涂布基材。

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