发明授权
US4853285A Corrosion resistant, coated metal laminate, its preparation and coating
materials
失效
耐腐蚀，涂层金属层压板，其制备和涂层材料
- 专利标题： Corrosion resistant, coated metal laminate, its preparation and coating materials
- 专利标题（中）： 耐腐蚀，涂层金属层压板，其制备和涂层材料
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申请号： US103013申请日： 1987-09-30
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公开(公告)号： US4853285A公开(公告)日： 1989-08-01
- 发明人: Tamotsu Sobata , Masaaki Takimoto , Yuichi Yoshida
- 申请人： Tamotsu Sobata , Masaaki Takimoto , Yuichi Yoshida
- 申请人地址： JPX Osaka
- 专利权人： Nippon Paint Co., Ltd.
- 当前专利权人： Nippon Paint Co., Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX58-248312 19831227; JPX58-245747 19831229; JPX58-245748 19831229; JPX59-008678 19840121; JPX59-040874 19840302; JPX59-062555 19840329; JPX59-062556 19840329
- 主分类号： B23K35/22
- IPC分类号： B23K35/22 ; C09D5/08 ; C09D5/10 ; C23C22/24 ; C23C22/73
摘要：
Corrosive resistant, coated laminate consisting of metal substrate, anti-corrosive layer and paint layer, which is characterized by the fact that the anti-corrosive layer is formed by a composition containing, as essential components, at least one hexa-valent chromium containing chromium compound having a solubility of 20 to 10.sup.-5 and aqueous silica and/or aqueous resin as binder, and as optional component, a water soluble chromium compound having a solubility of more than 20, and the paint layer is free from chromium compound. The laminate is excellent, inter alia, in adhesion of coating and anti-corrosive property. The invention also provides a coated metal plate having excellent corrosion resistance and continuous spot weldability.
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