发明名称 |
ALKALI RESISTANT ANTIFOULING AGENT HAVING RUST-PREVENTING PROPERTY |
摘要 |
PURPOSE: An agent for preventing the surface discoloration of a cold rolled steel sheet generated in an alkali wash tank or electrolytic cell using hexamethylenetetramine and imidazole is provided, which prevents corrosion of a steel sheet by forming a temporary rust-preventing layer on the steel surface. CONSTITUTION: This agent comprises 87.4 to 75.7% by weight of pure water, 3.0 to 5.0% by weight of imidazole, 2.0 to 4.0% by weight of hexamethylenetetramine, 0.2 to 1.2% by weight of trifluoroantimony, 4.0 to 6.0% by weight of tetrasodium salt of ethylenediaminetetraacetic acid, 2.0 to 5.0% by weight of benzoic acid, 0.2 to 0.8% by weight of 3,5-diaminobenzoic acid and 1.2 to 2.5% by weight of polyoxyethylene laurylamine of formula 1. In formula, m is 1 to 7.
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申请公布号 |
KR20010078503(A) |
申请公布日期 |
2001.08.21 |
申请号 |
KR19990058454 |
申请日期 |
1999.12.17 |
申请人 |
POHANG IRON & STEEL CO., LTD. |
发明人 |
JUNG, CHANG JUN;LEE, GI DAE;LEE, JUN BEOM;SO, JAE CHUN |
分类号 |
C23F11/00;(IPC1-7):C23F11/00 |
主分类号 |
C23F11/00 |
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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