CN103088330B - Galvanized sheet treating agent before application - Google Patents
Galvanized sheet treating agent before application Download PDFInfo
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- CN103088330B CN103088330B CN201310061899.3A CN201310061899A CN103088330B CN 103088330 B CN103088330 B CN 103088330B CN 201310061899 A CN201310061899 A CN 201310061899A CN 103088330 B CN103088330 B CN 103088330B
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- galvanized sheet
- treating agent
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Abstract
The invention discloses a galvanized sheet treating agent before application, which is prepared from the following raw materials in mass concentration: 5-10 g/L nickelous fluoride, 6-11 g/L cobalt acetate, 3-5 g/L ferric ammonium oxalate, 1-3 g/L 2-sulfophenylpropionic acid, 1-3 g/L 4-sulfo-o-phthalic acid, 0.2-0.5 g/L crude anthracene and the balance of water. The galvanized sheet treating agent before application is non-toxic and environment-friendly, is free of hexavalent chrome heavy metal ions, has excellent properties, and can greatly enhance the binding force of the galvanized sheet with the coating and the corrosion resistance of the galvanized sheet. The treating agent disclosed by the invention has the advantages of simple use technique and short treatment time, and is convenient for large-scale practical production.
Description
Technical field
The present invention relates to a kind of metal conditioner, specifically a kind of for galvanized sheet Coating Pretreatment, take and improve the treatment agent that coating binding force and solidity to corrosion are object.
Background technology
Surface of steel plate is zinc-plated is the conventional means that improves steel plate antiseptic power, due to the zinc coating formation hickie that is especially easily corroded in wet environment in air, thus must after zinc-plated, carry out Passivation Treatment, to improve its corrosion resisting property.Through surface passivation, can effectively prevent that white rust from generating, and plays the effect of the bonding force that improves galvanized sheet and follow-up coating layer simultaneously.What generally adopt traditionally is that chromating is processed, and this technique is simple, cost is low, binding force of membrane is good, solidity to corrosion is high, has self-repairing capability and re-workability simultaneously, becomes the conventional passivation means of countries in the world.But because sexavalent chrome belongs to carcinogenic substance, its product and production process thereof can produce serious harm to human and environment, so countries in the world have started legislation, ban use of or avoid chromating technique as far as possible.Therefore, what exploitation made new advances replaces traditional passivation technology without chromium process, is to adapt to New Times environmental protection megatrend, keep and improve galvanizing production competitive power in the urgent need to.
At present; although galvanized sheet chromium-free deactivation technology has obtained positive progress; on existing market, most product has also reached environmental requirement; but these products can't reach the performance of traditional passivation on the application matching performance with follow-up coating; especially show in coating binding force and whole solidity to corrosion, can not meet the requirement of large-scale production.
Summary of the invention
The object of this invention is to provide a kind of bonding force and corrosion proof Coating Pretreatment agent that can be used for galvanized sheet chromium-free deactivation that can significantly improve galvanized sheet and coating.
The present invention adopts following technical scheme to achieve these goals:
The agent of galvanized sheet Coating Pretreatment, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 5-10 g/L
Cobaltous diacetate 6-11 g/L
Ammonium ferric oxalate 3-5 g/L
2-sulphophenyl propionic acid 1-3 g/L
4-sulfo group phthalic acid 1-3 g/L
Crude anthracene 0.2-0.5 g/L
Water surplus
Preferably, the agent of a kind of galvanized sheet Coating Pretreatment, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 8 g/L
Cobaltous diacetate 9 g/L
Ammonium ferric oxalate 4 g/L
2-sulphophenyl propionic acid 2 g/L
4-sulfo group phthalic acid 2 g/L
Crude anthracene 0.35 g/L
Water surplus
By creationary research, find, nickelous fluoride and Cobaltous diacetate are under the existence condition of ammonium ferric oxalate, on galvanized sheet surface, can generate the micron-sized metal alloy particle layer with strong adhesive force of one deck, this metal alloy layer even compact, has improved the solidity to corrosion of galvanized sheet.As the bottom of application, the alloy layer that the present invention generates on galvanized sheet, has strengthened the bonding force of follow-up coating and galvanized sheet greatly.Meanwhile, 2-sulphophenyl propionic acid, 4-sulfo group phthalic acid, crude anthracene add the stability that has greatly improved treatment agent, be convenient to actual production and use.
Preparation method of the present invention: in quantitative water, add successively each raw material weighing according to above-mentioned mass concentration, be stirred to and dissolve completely and get final product.
Usage of the present invention: galvanized sheet workpiece is after degreasing is cleaned, and the treatment agent of the present invention that is 3% ~ 5% by mass concentration is processed 5-10 minute under the condition of 10-30 ℃, and processing mode can be spraying process or pickling process.Washing can enter coating process after drying.
Beneficial effect of the present invention:
Galvanized sheet Coating Pretreatment agent asepsis environment-protecting of the present invention, containing sexavalent chrome heavy metal ion, excellent performance, can significantly improve bonding force and the solidity to corrosion of galvanized sheet and coating.Treatment agent operation of the present invention is simple, and the treatment time is short, is convenient to extensive actual production and uses.
embodiment:
Below by embodiment, the present invention is further described.
Embodiment 1:
The agent of galvanized sheet Coating Pretreatment, is comprised of the raw material of following mass concentration:
Nickelous fluoride 8 g/L
Cobaltous diacetate 9 g/L
Ammonium ferric oxalate 4 g/L
2-sulphophenyl propionic acid 2 g/L
4-sulfo group phthalic acid 2 g/L
Crude anthracene 0.35 g/L
Water surplus
Embodiment 2
The agent of galvanized sheet Coating Pretreatment, is comprised of the raw material of following mass concentration:
Nickelous fluoride 5 g/L
Cobaltous diacetate 11 g/L
Ammonium ferric oxalate 3 g/L
2-sulphophenyl propionic acid 3 g/L
4-sulfo group phthalic acid 1 g/L
Crude anthracene 0.5 g/L
Water surplus
Embodiment 3
The agent of galvanized sheet Coating Pretreatment, is comprised of the raw material of following mass concentration:
Nickelous fluoride 10 g/L
Cobaltous diacetate 6 g/L
Ammonium ferric oxalate 5 g/L
2-sulphophenyl propionic acid 1 g/L
4-sulfo group phthalic acid 3 g/L
Crude anthracene 0.2 g/L
Water surplus
With the agent of galvanized sheet Coating Pretreatment and the traditional chromium hydrochlorate passivator of the embodiment of the present invention 1 ~ 3, respectively galvanized sheet is carried out to Passivation Treatment, with reference to concerned countries standard, to the coating of chromium-free passivating film of the present invention and traditional chromium hydrochlorate passive film is supporting, carry out performance comparison test, result is as following table:
Table 1 passive film traditional performance detected result table
By every test detected result in table, can reach a conclusion: the galvanized sheet of processing through treatment agent of the present invention, at Surface Creation one deck outward appearance chromium-free passivating film close with traditional chromium hydrochlorate passive film, this rete is compared with traditional passivation, has more excellent coating binding force and solidity to corrosion performance.The present invention simultaneously not containing heavy metal ion, meets environmental requirement completely.
Claims (2)
1. a galvanized sheet Coating Pretreatment agent, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 5-10 g/L
Cobaltous diacetate 6-11 g/L
Ammonium ferric oxalate 3-5 g/L
2-sulphophenyl propionic acid 1-3 g/L
4-sulfo group phthalic acid 1-3 g/L
Crude anthracene 0.2-0.5 g/L
Water surplus.
2. a kind of galvanized sheet Coating Pretreatment according to claim 1 agent, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 8 g/L
Cobaltous diacetate 9 g/L
Ammonium ferric oxalate 4 g/L
2-sulphophenyl propionic acid 2 g/L
4-sulfo group phthalic acid 2 g/L
Crude anthracene 0.35 g/L
Water surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061899.3A CN103088330B (en) | 2013-02-27 | 2013-02-27 | Galvanized sheet treating agent before application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061899.3A CN103088330B (en) | 2013-02-27 | 2013-02-27 | Galvanized sheet treating agent before application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103088330A CN103088330A (en) | 2013-05-08 |
| CN103088330B true CN103088330B (en) | 2014-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061899.3A Active CN103088330B (en) | 2013-02-27 | 2013-02-27 | Galvanized sheet treating agent before application |
Country Status (1)
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| CN (1) | CN103088330B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001247977A (en) * | 2000-03-03 | 2001-09-14 | Hitachi Ltd | Chromium-free composition for metal surface treatment |
| JP3774415B2 (en) * | 2002-03-14 | 2006-05-17 | ディップソール株式会社 | A treatment solution for forming a black hexavalent chromium-free conversion coating on zinc and zinc alloy plating and a method of forming a black hexavalent chromium-free conversion coating on zinc and zinc alloy plating. |
| JP2008174807A (en) * | 2007-01-19 | 2008-07-31 | Nippon Hyomen Kagaku Kk | Chromium-free metal surface treatment liquid |
| CN102199767A (en) * | 2011-05-09 | 2011-09-28 | 宏正（福建）化学品有限公司 | Cr-free F-free color passivation solution and passivation method for electroplated Zn-Ni alloy plating layer |
| CN103031550B (en) * | 2012-12-18 | 2014-12-10 | 安徽翔艺达机械有限公司 | Metallic workpiece pretreatment silane surface treatment agent and preparation method thereof |
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2013
- 2013-02-27 CN CN201310061899.3A patent/CN103088330B/en active Active
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| CN103088330A (en) | 2013-05-08 |
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Owner name: HAIAN SERVICE CENTER FOR TRANSFORMATION OF SCIENTI Free format text: FORMER OWNER: ZHENG JIAYUAN Effective date: 20141016 |
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Inventor after: Ji Tingting Inventor before: Zheng Jiayuan |
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Free format text: CORRECT: INVENTOR; FROM: ZHENG JIAYUAN TO: JI TINGTING Free format text: CORRECT: ADDRESS; FROM: 230088 HEFEI, ANHUI PROVINCE TO: 226600 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20141016 Address after: 226600 No. 106 middle Yangtze Road, Haian County, Nantong, Jiangsu Applicant after: Haian Service Center for Transformation of Scientific Achievements Address before: 230088 Huaqing company, No. 8, Bei Bei Road, Hefei hi tech Zone, Anhui Applicant before: Zheng Jiayuan |
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Application publication date: 20130508 Assignee: Nantong Xinxiang Zinc Industry Co., Ltd. Assignor: Haian Service Center for Transformation of Scientific Achievements Contract record no.: 2015320000418 Denomination of invention: Galvanized sheet treating agent before application Granted publication date: 20141119 License type: Exclusive License Record date: 20150611 |
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