JPS56279A - Surface treating liquid for zinc or zinc alloy plated steel plate - Google Patents
Surface treating liquid for zinc or zinc alloy plated steel plateInfo
- Publication number
- JPS56279A JPS56279A JP7398579A JP7398579A JPS56279A JP S56279 A JPS56279 A JP S56279A JP 7398579 A JP7398579 A JP 7398579A JP 7398579 A JP7398579 A JP 7398579A JP S56279 A JPS56279 A JP S56279A
- Authority
- JP
- Japan
- Prior art keywords
- zinc
- steel plate
- plated steel
- alloy plated
- surface treating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
PURPOSE: To provide a surface treatment liquid capable of forming a harmless layer having excellent corrosion resistance and adhesivity to coating layer on the surface of zinc or galvanized steel plate by inclusion of metal salt of phytic acid and one or more of polyamines represented by a specific formula.
CONSTITUTION: A proper amount of an alkali metal salt to phytic acid or its zincate, one or more of polyamines such as ethylenediamine and diethylenetriamine represented by a general formula (A and B: hydrogen or 3-aminopropyl gp., n: an integer of 1W10) is dissolved into solvent (preferably water) to form a surface treating agent. The treating agent forms on the surface of zinc or zinc alloy plated steel plate a corrosion resistant layer which contains no Cr, and gives good coating adhesivity and corrosion resistance after coating.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7398579A JPS5919194B2 (en) | 1979-06-14 | 1979-06-14 | Surface treatment method for zinc or zinc alloy coated steel sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7398579A JPS5919194B2 (en) | 1979-06-14 | 1979-06-14 | Surface treatment method for zinc or zinc alloy coated steel sheet |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56279A true JPS56279A (en) | 1981-01-06 |
JPS5919194B2 JPS5919194B2 (en) | 1984-05-02 |
Family
ID=13533900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7398579A Expired JPS5919194B2 (en) | 1979-06-14 | 1979-06-14 | Surface treatment method for zinc or zinc alloy coated steel sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5919194B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8241745B2 (en) | 2003-10-23 | 2012-08-14 | Basf Se | Essentially chromium-free method for passivating metallic surfaces consisting of Zn, Zn alloys, Al or Al alloys |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01155495U (en) * | 1988-04-18 | 1989-10-25 |
-
1979
- 1979-06-14 JP JP7398579A patent/JPS5919194B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8241745B2 (en) | 2003-10-23 | 2012-08-14 | Basf Se | Essentially chromium-free method for passivating metallic surfaces consisting of Zn, Zn alloys, Al or Al alloys |
Also Published As
Publication number | Publication date |
---|---|
JPS5919194B2 (en) | 1984-05-02 |
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