发明授权
- 专利标题: Composition and method for acid cleaning of aluminum surfaces
- 专利标题(中): 铝表面酸洗的组成和方法
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申请号: US373211申请日: 1982-04-30
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公开(公告)号: US4370173A公开(公告)日: 1983-01-25
- 发明人: David Y. Dollman
- 申请人: David Y. Dollman
- 申请人地址: PA Ambler
- 专利权人: Amchem Products, Inc.
- 当前专利权人: Amchem Products, Inc.
- 当前专利权人地址: PA Ambler
- 主分类号: C23G1/12
- IPC分类号: C23G1/12 ; B08B3/08 ; C11D7/08
摘要:
Lubricating oils and aluminum fines are removed from aluminum surfaces by contacting the surfaces with an aqueous solution containing sulfuric acid, hydrofluoric acid, and an alkali metal 2-butoxyethoxyacetate anionic surfactant. The solution may also contain one or more low foaming nonionic surfactants.
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