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1. 发明申请

US20120040194A1 SURFACE-TREATED PRECOATED METAL SHEET, PROCESS FOR PRODUCING SAME, AND SURFACE-TREATING SOLUTION 审中-公开
标题翻译：表面处理预处理金属片，其生产方法和表面处理溶液
公开(公告)号：US20120040194A1
公开(公告)日：2012-02-16
申请号：US13201868
申请日：2010-02-17
申请人： Takao Kanai , Hiromasa Nomura , Tomonari Hamamura , Hiroshi Kanai , Hiroyuki Oyokawa
发明人： Takao Kanai , Hiromasa Nomura , Tomonari Hamamura , Hiroshi Kanai , Hiroyuki Oyokawa
IPC分类号： B32B15/08 , B05D3/02 , B01J31/06
CPC分类号： C09D183/04 , B01J35/004 , B01J37/0217 , B01J37/0244 , B05D5/08 , B05D2202/00 , C08K3/22 , C09D5/08 , C09D7/61 , Y10T428/31663
摘要： Disclosed is a surface-treated precoated metal sheet of which resistance against contamination with a photocatalyst and a self-cleaning function can be retained for a long period. Also disclosed are a method and a surface-treating solution for producing the surface-treated precoated metal sheet properly. The surface-treated precoated metal sheet is characterized by comprising a precoated metal sheet comprising an under metal sheet and an organic resin coating layer provided on the surface of the under metal sheet and a coating film having at least two layers, having a photocatalytic activity and formed on the precoated metal sheet, wherein the coating film having at least two layers comprises an inorganic-organic composite resin composed of a condensed product of an alkoxysilane selected from a group consisting of an alkoxysilane having an organic group selected from a group consisting of an alkyl group having 1 to 12 carbon atoms, an aryl group, a carboxyl group, a hydroxy group and a combination of two or more of these groups, an alkoxysilane having an epoxy group, an alkoxysilane having an amino group, a tetraalkoxysilane and a combination of two or more of the alkoxysilanes and contains a substance having a photocatalytic activity in such an amount that the content of the substance is highest in the outermost layer of the coating film and is gradually decreased toward an inner layer of the coating film.
摘要翻译：公开了一种表面处理的预涂金属片，其可以长时间保留耐光感染性和自清洁功能的污染。还公开了适当地制造表面处理的预涂金属片的方法和表面处理溶液。表面处理的预涂金属片的特征在于包括预涂金属片，其包含下金属片和设置在金属片下表面的有机树脂涂层和具有至少两层具有光催化活性的涂膜，形成在预涂金属片上，其中具有至少两层的涂膜包括无机 - 有机复合树脂，该无机 - 有机复合树脂由选自以下的烷氧基硅烷的烷氧基硅烷的缩合产物构成，所述烷氧基硅烷具有选自以下的有机基团：具有1至12个碳原子的烷基，芳基，羧基，羟基和这些基团中的两个或更多个的组合，具有环氧基的烷氧基硅烷，具有氨基的烷氧基硅烷，四烷氧基硅烷和组合的两种或更多种烷氧基硅烷，并且含有具有光催化活性的物质，其量使得物质的含量在涂膜的最外层中最高，并且朝向涂膜的内层逐渐减小。

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