CN103205199A - Anticorrosion method for metal surface - Google Patents
Anticorrosion method for metal surface Download PDFInfo
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- CN103205199A CN103205199A CN2012105512632A CN201210551263A CN103205199A CN 103205199 A CN103205199 A CN 103205199A CN 2012105512632 A CN2012105512632 A CN 2012105512632A CN 201210551263 A CN201210551263 A CN 201210551263A CN 103205199 A CN103205199 A CN 103205199A
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- Prior art keywords
- coating method
- protective system
- coating
- described protective
- substrate surface
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Abstract
The invention reveals a coating method for an anticorrosive paint. The method comprises mixing siloxane, a solvent, silica particles, rare earth compounds, deionized water, a catalyst, carbon fiber and polyimides, slaking, filtering slaked mixture, spraying, brushing or immersing the filtered mixture on surface of the base material, depositing on the surface of the base material and forming a coating, thereby realizing a surface anticorrosion processing.
Description
Technical field
The present invention relates to a kind of protective system coating method, relate in particular to a kind of metal structure surface that is applicable to, have the coating method of the environmental protection coating material of excellent gloss and mechanical and physical performance and aromatic free solvent.
Background technology
In modern industry and daily life, corrosion of metal is seen everywhere, and especially the destruction of the forms such as crevice corrosion, stress corrosion and corrosion fatigue that take place in the storage vessel of a fuel oil dangerization product is caused great potential safety hazard for people's lives.
The metal protection method that adopts can roughly be divided three classes at present: a class is to carry out anodic oxidation treatment, namely form the anode oxide film of one deck tens micron thickness in the metallic surface, but because the anode oxidation process power consumption is big, and electrolyte solution is seriously polluted, be difficult to handle, use its application to be restricted; Second class is chemical conversion film, being about to metal parts is immersed in the solution of definite composition, rely on chemical reaction to form one deck chemical conversion film at a certain temperature, now most widely used is the oxidation of chromic salt chemistry, but chromic salt is a kind of carcinogenic toxicant, and the world environments protective tissue has proposed restriction and used chromic salt and other to contain chromate compound; The 3rd class is organic coating, namely applies one deck organic coating in the metallic surface, with outward appearance and the physical and chemical performance that improves metal.People begin rare earth element is used in the aseptic technic of metallic surface in recent years.
The rare-earth conversion coatings film technique develops into today, and people have carried out a large amount of improvement to various film-forming process, and the performance of film also is improved.At present the rare-earth conversion coatings technology mainly is immersion treatment, and this technological operation is simple, be easy to safeguard; But its drawback is that the long period of soaking process treatment time is oversize, and formed rete is thinner and relatively poor with the sticking power of base material.Discover through long-term exploration, add strong oxidizer in the soaking solution, as H
2O
2, KMnO
4, (NH
4)
2S
2O
8Etc. strong oxide compound, rate of film build is improved greatly, the treatment time shortens dramatically, and the treatment soln temperature is not high yet simultaneously, can at room temperature use.But because the existence of strong oxidizer makes the less stable for the treatment of process.
In order to solve the problem that the rare-earth conversion coatings treatment process exists, the present invention proposes a kind of improved protective system coating method.This method anticorrosion with low cost, remarkable in economical benefits can be carried out normal temperature and be spread, and coating processes is simple, and solution is environment friendly and pollution-free.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art part, provide a kind of coating method of environment friendly corrosion protection coating, in order to solve the protection against corrosion difficult problem of surfaces externally and internally applications such as steel, aluminium, especially aluminium alloy, and coating aromatic free solvent, do not contain strong oxidizer, do not have poisonous pigment, be fit to various constructional methods, application is not subject to seasonal restrictions, and construction technology is simple and convenient, and technical costs is cheap, good environmental protection.
The present invention is achieved by the following technical solutions:
(1) prepare following component (mass parts):
A vinyltriethoxysilane 11-20;
B methyl alcohol 60-80;
C SiO
2Particle 6-10;
The oxide compound 6-10 of d cerium;
E deionized water 26-50;
F acetic acid 3-5;
G carbon fiber 8-10;
H polyimide 3-5;
(2) with carrying out maturation process after the above component mixing, spray, brush or be immersed in substrate surface then, the deposition back forms coating at substrate surface, realizes the surface anticorrosion processing.
Embodiment
The present invention relates to a kind of coating method of protective system, after the various components of protective system are mixed, carry out maturation process, again the mixture after the slaking is filtered, spray, brush or be immersed in substrate surface then, the deposition back forms coating at substrate surface, realizes the surface anticorrosion processing.
Described SiO
2Particle grain size is the 50-100 nanometer.
Described maturation process is to leave standstill at normal temperatures 50-60 hour.
Described base material is steel or aluminium, preferred aluminium alloy.
Heat in the deposition process after spraying, brushing or dipping, Heating temperature is to heat 1 minute to 1 hour under 50 ℃ to the 150 ℃ temperature.
The thickness of described coating is 1 micron to 10 microns, preferred 1 micron to 5 microns.The preferred method that adopts spraying or brush forms coating at substrate surface.
Protective system coating method disclosed by the invention is simple, convenient, quick, reliable, and raw material is cheap, this method can be simply in conjunction with enter the existing pre-treatment that comprises coating and after in the conventional production line of other postprocessing working procedures of substrate material, substantially need not to carry out other adjustment on the equipment, is the Eco-power production technique of a kind of height.
Below the present invention is elaborated with embodiment, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
(1) prepare following component (mass parts):
A vinyltriethoxysilane 11;
B methyl alcohol 60;
C SiO
2Particle 6;
The oxide compound 6 of d cerium;
E deionized water 26;
F acetic acid 3;
G carbon fiber 8;
H polyimide 3;
(2) with carrying out maturation process after the above component mixing, spray, brush or be immersed in substrate surface then, the deposition back forms coating at substrate surface, realizes the surface anticorrosion processing.
Embodiment 2
(1) prepare following component (mass parts):
A vinyltriethoxysilane 20;
B methyl alcohol 80;
C SiO
2Particle 10;
The oxide compound 10 of d cerium;
E deionized water 50;
F acetic acid 5;
G carbon fiber 10;
H polyimide 5;
(2) with carrying out maturation process after the above component mixing, spray, brush or be immersed in substrate surface then, the deposition back forms coating at substrate surface, realizes the surface anticorrosion processing.
Embodiment 3
(1) prepare following component (mass parts):
A vinyltriethoxysilane 15;
B methyl alcohol 70;
C SiO
2Particle 8;
The oxide compound 8 of d cerium;
E deionized water 38;
F acetic acid 4;
G carbon fiber 9;
H polyimide 4;
(2) with carrying out maturation process after the above component mixing, spray, brush or be immersed in substrate surface then, the deposition back forms coating at substrate surface, realizes the surface anticorrosion processing.
Claims (9)
1. the coating method of a protective system comprises:
(1) prepare following component (mass parts):
A vinyltriethoxysilane 11-20;
B methyl alcohol 60-80;
C SiO
2Particle 6-10;
The oxide compound 6-10 of d cerium;
E deionized water 26-50;
F acetic acid 3-5;
G carbon fiber 8-10;
H polyimide 3-5;
(2) with carrying out maturation process after the said components mixing, spray, brush or be immersed in substrate surface then, the deposition back forms coating at substrate surface, realizes the surface anticorrosion processing.
2. according to the coating method of the described protective system of claim 1, it is characterized in that described SiO
2Particle grain size is the 50-100 nanometer.
3. according to the coating method of the described protective system of claim 1, it is characterized in that described maturation process is to leave standstill at normal temperatures 50-60 hour.
4. according to the coating method of the described protective system of claim 1, it is characterized in that described base material is steel or aluminium.
5. according to the coating method of the described protective system of claim 1, it is characterized in that described base material is aluminium alloy.
6. according to the coating method of the described protective system of claim 1, it is characterized in that, in described deposition process, heat that Heating temperature is 50 ℃ to 150 ℃, 1 minute to 1 hour heat-up time.
7. according to the coating method of the described protective system of claim 1, it is characterized in that described coat-thickness is 1 micron to 10 microns.
8. according to the coating method of the described protective system of claim 7, it is characterized in that described coat-thickness is 1 micron to 5 microns.
9. according to the coating method of the described protective system of claim 1, it is characterized in that, adopt the method for spraying or brushing to form coating at substrate surface in the described step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105512632A CN103205199A (en) | 2012-12-18 | 2012-12-18 | Anticorrosion method for metal surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105512632A CN103205199A (en) | 2012-12-18 | 2012-12-18 | Anticorrosion method for metal surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103205199A true CN103205199A (en) | 2013-07-17 |
Family
ID=48752610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105512632A Pending CN103205199A (en) | 2012-12-18 | 2012-12-18 | Anticorrosion method for metal surface |
Country Status (1)
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|---|---|
| CN (1) | CN103205199A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717930A (en) * | 2009-12-25 | 2010-06-02 | 华烁科技股份有限公司 | Environment-friendly nano water-based silane treatment agent capable of improving anti-corrosion performance of metal surface |
| CN102174289A (en) * | 2011-02-25 | 2011-09-07 | 上海交通大学 | Surface anti-corrosion sol for aeronautic aluminum alloy material and treatment method thereof |
| CN102586775A (en) * | 2012-01-18 | 2012-07-18 | 上海交通大学 | Surface preservative treatment method for aviation aluminium alloy material |
| CN102762750A (en) * | 2010-02-19 | 2012-10-31 | 塔塔钢铁荷兰科技有限责任公司 | Strip, sheet or blank suitable for hot forming and process for the production thereof |
-
2012
- 2012-12-18 CN CN2012105512632A patent/CN103205199A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717930A (en) * | 2009-12-25 | 2010-06-02 | 华烁科技股份有限公司 | Environment-friendly nano water-based silane treatment agent capable of improving anti-corrosion performance of metal surface |
| CN102762750A (en) * | 2010-02-19 | 2012-10-31 | 塔塔钢铁荷兰科技有限责任公司 | Strip, sheet or blank suitable for hot forming and process for the production thereof |
| CN102174289A (en) * | 2011-02-25 | 2011-09-07 | 上海交通大学 | Surface anti-corrosion sol for aeronautic aluminum alloy material and treatment method thereof |
| CN102586775A (en) * | 2012-01-18 | 2012-07-18 | 上海交通大学 | Surface preservative treatment method for aviation aluminium alloy material |
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Application publication date: 20130717 |