发明名称 |
Aqueous cleaning solution and method for cleaning aluminum-based metals |
摘要 |
The present invention provides an aqueous cleaning solution for aluminum-based metals which comprises an inorganic acid in an amount to provide a pH value of 2 or less, an oxidized form metal ion and a surfactant represented by the following formula (I)R-O-(EO)nH(I)wherein R represents an alkyl group having on average 10 to 18 carbon atoms per molecule, n represents an integer of 8 or greater, and EO represents an ethyleneoxy group which may contain a small proportion of a propyleneoxy group. The degradation of cleaning properties due to the accumulation of lubricating oil or decomposition of surfactants is lessened even when the cleaning operation is carried out for a long period of time.
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申请公布号 |
US6083896(A) |
申请公布日期 |
2000.07.04 |
申请号 |
US19990362732 |
申请日期 |
1999.07.29 |
申请人 |
NIPPON PAINT CO., LTD. |
发明人 |
INBE, TOSHIO;SASAKUMA, SHINJI;MINO, YASUTAKE;IKEDA, SATOSHI |
分类号 |
C11D1/72;C11D3/04;C11D17/08;C23G1/12;(IPC1-7):C11D3/02;C23G1/02;C11D14/02;C23G14/02 |
主分类号 |
C11D1/72 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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