CN102964989A - Anticorrosion method of metal structure - Google Patents
Anticorrosion method of metal structure Download PDFInfo
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- CN102964989A CN102964989A CN2012105271180A CN201210527118A CN102964989A CN 102964989 A CN102964989 A CN 102964989A CN 2012105271180 A CN2012105271180 A CN 2012105271180A CN 201210527118 A CN201210527118 A CN 201210527118A CN 102964989 A CN102964989 A CN 102964989A
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Abstract
The invention provides an anticorrosion method of a metal structure. The invention discloses a coating method of an anticorrosive paint. The coating method comprises the steps of mixing such components as siloxane, a solvent, silica particles, a rare earth compound, deionized water, a catalyst, carbon fibers and polyimide and then carrying out curing treatment, then filtering the cured mixture, then spraying, brushing or impregnating the filtered mixture on the surface of a substrate and forming a coating on the surface of the substrate after deposition, thus achieving anticorrosion treatment of the surface.
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 the destruction of the forms such as crevice corrosion, stress corrosion and corrosion fatigue that especially occur 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 at present can roughly be divided three classes: 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 large, and electrolyte solution is seriously polluted, be difficult to process, use its application to be restricted; Equations of The Second Kind is chemical conversion film, being about to metal parts is immersed in the solution of definite composition, rely at a certain temperature chemical reaction to form one deck chemical conversion film, 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.Find through long-term exploratory development, add strong oxidizer in the soaking solution, such 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 is so that the less stable for the treatment of process.
The problem that exists in order to solve the rare-earth conversion coatings treatment process, 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 for 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 the surfaces externally and internally applications such as steel, aluminium, especially aluminium alloy, and coating aromatic free solvent, do not contain strong oxidizer, without 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 3-(triethoxy is silica-based) propyl group CALCIUM ACRYLATE 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, then spray, brush or be immersed in substrate surface, form coating at substrate surface after the deposition, realize 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, then spray, brush or be immersed in substrate surface, form coating at substrate surface after the deposition, realize the surface anticorrosion processing.
Described SiO
2The particle diameter of particle 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.
The below elaborates with embodiment to the present invention, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
(1) prepare following component (mass parts):
A 3-(triethoxy is silica-based) propyl group CALCIUM ACRYLATE 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, then spray, brush or be immersed in substrate surface, form coating at substrate surface after the deposition, realize the surface anticorrosion processing.
Embodiment 2
(1) prepare following component (mass parts):
A 3-(triethoxy is silica-based) propyl group CALCIUM ACRYLATE 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, then spray, brush or be immersed in substrate surface, form coating at substrate surface after the deposition, realize the surface anticorrosion processing.
Embodiment 3
(1) prepare following component (mass parts):
A 3-(triethoxy is silica-based) propyl group CALCIUM ACRYLATE 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, then spray, brush or be immersed in substrate surface, form coating at substrate surface after the deposition, realize the surface anticorrosion processing.
Claims (9)
1. metal construction anti-corrosion method comprises:
(1) prepare following component (mass parts):
A 3-(triethoxy is silica-based) propyl group CALCIUM ACRYLATE 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, then spray, brush or be immersed in substrate surface, form coating at substrate surface after the deposition, realize the surface anticorrosion processing.
2. described method according to claim 1 is characterized in that described SiO
2The particle diameter of particle is the 50-100 nanometer.
3. described method according to claim 1 is characterized in that described maturation process is to leave standstill at normal temperatures 50-60 hour.
4. described method according to claim 1 is characterized in that described base material is steel or aluminium.
5. described method according to claim 1 is characterized in that described base material is aluminium alloy.
6. described method according to claim 1 is characterized in that heat, Heating temperature is 50 ℃ to 150 ℃, 1 minute to 1 hour heat-up time in described deposition process.
7. described method according to claim 1 is characterized in that described coat-thickness is 1 micron to 10 microns.
8. described method according to claim 7 is characterized in that described coat-thickness is 1 micron to 5 microns.
9. described method according to claim 1 is characterized in that, adopts spraying in the described step (2) or the method for brushing forms coating at substrate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105271180A CN102964989A (en) | 2012-12-10 | 2012-12-10 | Anticorrosion method of metal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105271180A CN102964989A (en) | 2012-12-10 | 2012-12-10 | Anticorrosion method of metal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102964989A true CN102964989A (en) | 2013-03-13 |
Family
ID=47795432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105271180A Pending CN102964989A (en) | 2012-12-10 | 2012-12-10 | Anticorrosion method of metal structure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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
- 2012-12-10 CN CN2012105271180A patent/CN102964989A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130313 |