CN103088331B - Cold-rolled plate treating agent before application - Google Patents
Cold-rolled plate treating agent before application Download PDFInfo
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- CN103088331B CN103088331B CN201310062418.0A CN201310062418A CN103088331B CN 103088331 B CN103088331 B CN 103088331B CN 201310062418 A CN201310062418 A CN 201310062418A CN 103088331 B CN103088331 B CN 103088331B
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- rolled plate
- treating agent
- reduced sheet
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Abstract
The invention discloses a cold-rolled plate treating agent before application, which is prepared from the following raw materials in mass concentration: 15-20 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 cold-rolled plate treating agent before application is non-toxic and environment-friendly, is free of phosphates and heavy metal ions, has excellent properties, and can greatly enhance the binding force of the cold-rolled plate with the coating and the corrosion resistance of the cold-rolled plate. 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 cold-reduced sheet Coating Pretreatment, to improve coating binding force and the solidity to corrosion treatment agent as object.
Background technology
Cold-reduced sheet is by carbon structural steel hot rolled strip, passes through the further cold rolling steel plate that thickness is less than 4mm of making.Due to rolling at normal temperatures, do not produce iron scale, therefore, cold drawing surface quality is good, dimensional precision is high, anneal in addition, and its mechanical property and processing performance are all better than hot rolled steel sheet, in a lot of fields, particularly household electrical appliances are manufactured field, replace hot rolled steel sheet gradually with it.
Cold-reduced sheet will carry out application processing in actual industrial production.In order to ensure coating quality, improve sticking power and the corrosion resistance nature of coating in metallic surface, people usually need metallic surface to carry out pre-treatment.Phosphatization is traditional metal pretreatment methods, is that metal reacts and forms the process of phosphate coating on its surface in acid phosphatase salts solution.Because phosphatize phosphate coat is combined firmly with matrix, and have microvoid structure, absorption property is good, so can greatly improve coating quality.But, in etching solution, all contain the objectionable impurities such as phosphoric acid salt or heavy metal, and can produce sediment or obnoxious flavour in treating processes, do not meet the requirement of environmental protection.Along with social development and progress, people are also more and more higher to the requirement of coated metal prefinished products, not only wish that its self performance is good, more wish that it can meet growing environmental protection needs.
At present; although phosphatization substitute technology has obtained positive progress; on existing market, most product also no longer contains phosphoric acid salt and heavy metal; reach environmental requirement; but these products with the application matching performance of follow-up coating on can't reach the performance of conventional phosphatizing film; especially show in coating binding force and overall 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 the alternative phosphatization of cold-reduced sheet that can significantly improve cold-reduced sheet and coating.
The present invention adopts following technical scheme to achieve these goals:
The agent of a kind of cold-reduced sheet Coating Pretreatment, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 15-20 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 cold-reduced sheet Coating Pretreatment, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 18 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
Find by creationary research, nickelous fluoride and Cobaltous diacetate are under the existence condition of ammonium ferric oxalate, can generate the micron-sized metal alloy particle layer with strong adhesive force of one deck on cold-reduced sheet surface, this metal alloy layer even compact, has improved the solidity to corrosion of cold-reduced sheet.As the bottom of application, the alloy layer that the present invention generates on cold-reduced sheet, has strengthened the bonding force of follow-up coating and cold-reduced 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 the 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: cold-reduced 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 DEG C, and processing mode can be spraying process or pickling process.Washing can enter coating process after drying.
Beneficial effect of the present invention:
Cold-reduced sheet Coating Pretreatment agent asepsis environment-protecting of the present invention, not phosphate-containing and heavy metal ion, excellent performance, can significantly improve bonding force and the solidity to corrosion of cold-reduced sheet and coating.The alternative conventional phosphatizing for the treatment of agent of the present invention, operation 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 a kind of cold-reduced sheet Coating Pretreatment, is made up of the raw material of following mass concentration:
Nickelous fluoride 18 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 a kind of cold-reduced sheet Coating Pretreatment, is made up of the raw material of following mass concentration:
Nickelous fluoride 15 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 a kind of cold-reduced sheet Coating Pretreatment, is made up of the raw material of following mass concentration:
Nickelous fluoride 20 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
Respectively cold-reduced sheet is carried out to surface treatment with the agent of cold-reduced sheet Coating Pretreatment and the conventional phosphatizing liquid of the embodiment of the present invention 1 ~ 3, carry out performance comparison test with reference to concerned countries standard to the coating of film of the present invention and conventional phosphatizing film is supporting, 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: through the cold-reduced sheet for the treatment of agent processing of the present invention, the micron-sized metal alloy particle layer with strong adhesive force of Surface Creation one deck, this metal alloy layer even compact, has improved the solidity to corrosion of cold-reduced sheet.As the bottom of application, the alloy layer that the present invention generates on cold-reduced sheet, has strengthened the bonding force of follow-up coating and cold-reduced sheet greatly.Simultaneously the present invention not phosphate-containing and heavy metal ion completely, meets environmental requirement.
Claims (2)
1. a cold-reduced sheet Coating Pretreatment agent, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 15-20 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 cold-reduced sheet Coating Pretreatment according to claim 1 agent, is characterized in that: the raw material by following mass concentration forms:
Nickelous fluoride 18 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 |
|---|---|---|---|
| CN201310062418.0A CN103088331B (en) | 2013-02-27 | 2013-02-27 | Cold-rolled plate treating agent before application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062418.0A CN103088331B (en) | 2013-02-27 | 2013-02-27 | Cold-rolled plate treating agent before application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103088331A CN103088331A (en) | 2013-05-08 |
| CN103088331B true CN103088331B (en) | 2014-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310062418.0A Active CN103088331B (en) | 2013-02-27 | 2013-02-27 | Cold-rolled plate treating agent before application |
Country Status (1)
| Country | Link |
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| CN (1) | CN103088331B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850701A (en) * | 1973-04-06 | 1974-11-26 | Japan Carlit Co Ltd | Anode coated with magnetite and the manufacture thereof |
| CN102154673A (en) * | 2011-04-12 | 2011-08-17 | 中国船舶重工集团公司第十二研究所 | Method for preparing environment-friendly micro-arc oxidation black ceramic film on aluminum alloy surface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456039A (en) * | 1977-10-13 | 1979-05-04 | Kunio Hiraishi | Chemical conversion coating solution for aluminium or aluminium alloy |
-
2013
- 2013-02-27 CN CN201310062418.0A patent/CN103088331B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850701A (en) * | 1973-04-06 | 1974-11-26 | Japan Carlit Co Ltd | Anode coated with magnetite and the manufacture thereof |
| CN102154673A (en) * | 2011-04-12 | 2011-08-17 | 中国船舶重工集团公司第十二研究所 | Method for preparing environment-friendly micro-arc oxidation black ceramic film on aluminum alloy surface |
Non-Patent Citations (1)
| Title |
|---|
| JP昭54-56039A 1979.05.04 * |
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| CN103088331A (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: Zhang Wenyu Inventor before: Zheng Jiayuan |
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Free format text: CORRECT: INVENTOR; FROM: ZHENG JIAYUAN TO: ZHANG WENYU 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 Kodak building materials limited-liability company Assignor: Haian Service Center for Transformation of Scientific Achievements Contract record no.: 2015320000432 Denomination of invention: Cold-rolled plate treating agent before application Granted publication date: 20141119 License type: Exclusive License Record date: 20150615 |
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