发明公开
- 专利标题： PROCESS FOR PLATING CHROMIUM FROM A TRIVALENT CHROMIUM PLATING BATH
- 专利标题（中）： 从三价镀铬浴中镀铬的方法
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申请号： EP09823983.3申请日： 2009-09-24
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公开(公告)号： EP2350354A1公开(公告)日： 2011-08-03
- 发明人: PEARSON, Trevor , HANDY, Stacey
- 申请人： MacDermid, Incorporated
- 申请人地址： 245 Freight Street Waterbury, CT 06702 US
- 专利权人： MacDermid, Incorporated
- 当前专利权人： MacDermid, Incorporated
- 当前专利权人地址： 245 Freight Street Waterbury, CT 06702 US
- 代理机构： Jenkins, Peter David
- 优先权： US261352 20081030
- 国际公布： WO2010051118 20100506
- 主分类号： C25D3/06
- IPC分类号： C25D3/06
摘要：
A plating process for plating chromium metal onto substrates is disclosed. The process uses a trivalent chromium plating bath with a sulfate and/or sulfonate matrix. The process also utilizes insoluble anodes. An addition of manganese ions to the plating bath inhibits the formation of detrimental hexavalent chromium ions upon use of the plating bath.
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