发明授权
- 专利标题: Method of electrocoating using a flowing mercury cathode
- 专利标题(中): 使用流动汞电池进行电动方法
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申请号: US3723274D申请日: 1970-10-30
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公开(公告)号: US3723274A公开(公告)日: 1973-03-27
- 发明人: WISE L
- 申请人: SHERWIN WILLIAMS CO
- 专利权人: Sherwin Williams Co
- 当前专利权人: Sherwin Williams Co
- 优先权: US8803870 1970-10-30
- 主分类号: C25D13/22
- IPC分类号: C25D13/22 ; B01K5/02 ; C23B13/00
摘要:
PROCESS AND APPARATUS FOR ANODICALLY ELECTRODEPOSITING A RESIN FILM FROM AN AQUEOUS BATH OF A WATER-DISPERSIBLE POLYCARBOXLIC ACID RESIN WITH AN ALKALI METAL HYDROXIDE DISPERSAL AGENT USING A FLOWABLE LIQUID MERCURY CATHODE. ALKALI METAL IONS ARE REMOVED FROM THE AQUOUS COATING BATH BY CATHODIC DEPOSITION, WHILE THE RESIN IS DEPOSITD ON A METAL ANODE. MERCURY AND ALKALI METAL VALUES FROM THE AMALGAM ARE RECOVERED FOR REUSE.
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