CN1172023C - Process for producing light interference colour shtainless steel with transparent coating - Google Patents
Process for producing light interference colour shtainless steel with transparent coating Download PDFInfo
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- CN1172023C CN1172023C CNB031237509A CN03123750A CN1172023C CN 1172023 C CN1172023 C CN 1172023C CN B031237509 A CNB031237509 A CN B031237509A CN 03123750 A CN03123750 A CN 03123750A CN 1172023 C CN1172023 C CN 1172023C
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- stainless steel
- interference
- coating
- clear coating
- light color
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Abstract
The present invention relates to a method for manufacturing optical interference color stainless steel with a transparent coating layer. Firstly, placing stainless steel into the solution of CrO3 and H2SO4 and generating an optical interference color oxide film on the surface of the stainless steel; secondly, placing the stainless steel into the electrolytic film hardening solution of 250 g/L of CrO3 and 2.5 g/L of H2SO4 for carrying out electrolytic film hardening treatment; thirdly, placing the stainless steel into water solution of which the Na2SiO3 concentration is 10 percent for carrying out sealing treatment; coating one to two wear-resistant transparent coating layers with the thickness of 5 to 160 nanometers on the surface of the optical interference color stainless steel to enhance the pollution resistance and the abrasion resistance of the decorative surface of the color stainless steel; carryint out light/heat solidification for the transparent coating layers; lastly, attaching one to two protective films for packaging and transportation to the surfaces of the transparent coating layers. The transparent coating layers comprise high molecular materials and inorganic nanometer particles. The present invention has the advantages of improving the decorative effect of the stainless steel and enhancing the pollution resistance and the abrasion resistance.
Description
Technical field
The present invention relates to a kind of Color Stainless Steel surface treatment method, the making method of the Clear coating interference of light Color Stainless Steel that particularly a kind of good decorating effect, pollution resistance and wear resistance are all good.
Background technology
Since nineteen nineties, stainless steel is obtained the big area popularization with the gesture of fast development, along with China's development of economic construction, and the raising of people's purchasing power, people require also improving to the environment of its life, the class of life.In recent years, have multiple heat-tinting Color Stainless Steel and the goods thereof that are better than the common stainless steel performance, also appeared on the market very soon, such as, at present the black kitchen range in household electric appliances, smoke exhaust ventilator shell etc.Yet because Color Stainless Steel has two shortcomings the most fatal: (1) its colour comes from the principle of its oxide film to interference of light, though its colour as smart as a new pin, reflects the radiance as jewel especially, and its antifouling property is poor, is easy to be made dirty; Therefore, this has limited its development greatly.Obtained the limited popularization in combustion gas tool industry except the Color Stainless Steel than dark colour (as: black etc., quilt are found out after making dirty not too easily) at present, the application on other industry (as: decoration, decoration etc.) of the Color Stainless Steel of other color and Color Stainless Steel is almost promoted not opened.Abroad, as developed countries such as Japan, Korea S, Germany, Britain, the U.S., though Color Stainless Steel has been widely applied to multiple industries such as decoration, industrial art, also because above shortcoming makes its tempo very slow.(2) the oxide film hardness and the wear resisting property on Color Stainless Steel surface are limited at present, make it can not be used to the place that is often rubbed, as: building doors and windows etc.
Summary of the invention
The making method that the purpose of this invention is to provide a kind of Clear coating interference of light Color Stainless Steel, improve stainless decorative effect and antifouling property, wear resisting property, solve the problem that existing Stainless Steel Products antifouling property is poor, can not be used to the place that often rubbed, to satisfy the needs of industries such as Stainless Steel Products, stainless steel building doors and windows.
The present invention adopts such technical scheme to solve the problems referred to above: the making method of Clear coating interference of light Color Stainless Steel is characterized in that following steps are arranged:
Step (1): stainless steel is placed on CrO
3: 250g/l and H
2SO
4: in the solution of 490g/l, be under 0～60 ℃ the condition, to generate interference of light look oxide film in temperature of reaction on its surface;
Step (2): be placed on CrO again
3250g/l and H
2SO
42.5g/l electrolysis post bake solution in carry out the electrolysis post bake and handle;
Step (3): be placed on Na then
2SiO
3, concentration is that impressed current density is I=0.6A/dm in 10% the aqueous solution
2, temperature of reaction is under 65～85 ℃ the condition, to carry out sealing treatment;
Step (4): in order to strengthen ostentatious antifouling property of above-mentioned Color Stainless Steel and wear resisting property, being coated with on above-mentioned interference of light Color Stainless Steel surface and plating one to two layer thickness is 5 microns to 160 microns attrition resistant Clear coatings;
Step (5): this Clear coating is cured;
Step (6): stick one to two layer of protection glued membrane that is used for packed and transported at last again on the surface of this Clear coating.
Stainless surface in the above-mentioned steps (1) is 2B face, BA face, minute surface, sandblast face, frosting or hair face.
Above-mentioned steps (2) and step (3) are omissible.
Clear coating in the above-mentioned steps (4) is varnish, colored varnish coating, powder coating or the liquid coating that comprises macromolecular material and inorganic nanoparticles.
Above-mentioned macromolecular material be Resins, epoxy, polyester, Polyurethane, polyacrylate or fluorine-carbon macromolecule select one or two or more combinations.
Above-mentioned inorganic nanoparticles comprises nanometer SiO
2, nanometer CaCO
3Or nanometer Al
2O
3Select one or two or more combinations.
Clear coating coating method in the above-mentioned steps (4) is selected one and is selected following three kinds: 1. adopt direct liquid coating spray or spread coating; 2. adopt direct powder coating spraying method, 3. adopt electrophoretic paint electrophoretic painting method.
The curing of Clear paint comprises photocuring or thermofixation in the above-mentioned steps (5).
Protection glued membrane in the above-mentioned steps (6) comprises transparent adhesive film or opaque glued membrane.
Beneficial effect: the Clear coating interference of light Color Stainless Steel of using the present invention's making is to be coated with to be coated with one to two layer of transparent coating that bonding force is very strong on heat-tinting Color Stainless Steel interference of light oxide film, and the thickness of this coating is about 5 microns to 160 microns; Though its color also comes from the oxide film interference of light look (this color is to some extent partially than interference of light look darker) of the painted generation of stainless steel direct oxidation, it can not resemble because of rete is thicker the interference of light look because the subtle change of the thicknesses of layers that dirt (as: clc layer) causes causes the color layer change in color; The Clear coating that the present invention adopts has very high wear resisting property, and the thickness of this coating is much larger than the thickness of the painted oxide film of stainless steel oxidation, the latter's thickness＜400 nanometers; Therefore, Clear coating interference of light Color Stainless Steel not only makes it keep the original various superiority of Color Stainless Steel,
Make its corrosion resisting property, weather resistance, UV resistant, irradiation performance and exterior decorative effect be much better than common stainless steel.The more important thing is antifouling property and wear resisting property that it has improved Color Stainless Steel greatly, simultaneously, because the effect of varnish or colored varnish rete is arranged, it has also enriched its decorative effect.It has not only solved the pollution resistance in Color Stainless Steel field and the significant problem that wears no resistance, and has enlarged the Color Stainless Steel goods and has comprised: the application quantity and the range of application of stainless steel pipe, section bar, daily necessities, small workpiece, particularly Color Stainless Steel building doors and windows product.
Embodiment
Embodiment 1: silvery white stainless steel materials or goods are carried out pre-treatment as base material, with stainless steel mirror polishing or sandblast, frosted or cry hair, oil removing, clean, carry out chemistry or electrochemical etching; Step (1) is containing chemical ingredients and concentration is respectively CrO
3: 250g/l and H
2SO
4: in the chemical stain solution of 490g/l, temperature of reaction is to carry out chemical treatment under 0～60 ℃ the condition, painted by chemical oxidation, on stainless steel surface, form oxide film with different interference of light looks, its color has: dark brown cry again bronze-colored, purple, blue, grey, golden yellow, red-purple, sky blue, grass green, yellow-green colour, black and their intermediate color etc., this colour film is that one deck bonding force is very strong, its corrosion resisting property, the weather resistance performance, the ultraviolet resistance irradiation performance all is much better than the stainless high-strength light of common silvery white and interferes oxide film, its thickness is about 40～400nm.Step (2) is containing chemical ingredients and concentration is respectively CrO
3: 250g/L and H
2SO
4: in the electrolysis post bake solution of 2.5g/L, adding current density outside is I=0.6A/dm
2Condition under the energising about ten minutes; Step (3) in chemical ingredients is: Na
2SiO
3, concentration is: in 10% the aqueous solution, temperature of reaction is to carry out sealing treatment under 65～85 ℃ the condition; Step (4) spraying Clear paint, this Clear paint can be powder coating or liquid coating, its composition mainly comprises: the macromolecular material of selecting in Resins, epoxy, polyester, Polyurethane, polyacrylate, fluorine-carbon macromolecule and at nanometer SiO
2, nanometer CaCO
3Perhaps nanometer Al
2O
3The middle inorganic nanoparticles of selecting.Coating method is as follows: 1. adopt direct liquid coating spray or spread coating; 2. adopt direct powder coating spraying method, 3. adopt electrophoretic paint electrophoretic painting method.Step (5) heating cure; Step (6) is sticked one to two layer of opaque protection glued membrane that is used for packed and transported with laminator.
Embodiment 2: silvery white stainless steel materials or goods as base material, are carried out pre-treatment, with stainless steel mirror polishing or sandblast, frosted or cry hair, oil removing, clean, carry out chemistry or electrochemical etching; Step (1) is containing chemical ingredients and concentration is respectively CrO
3: 250g/L and H
2SO
4: in the chemical stain solution of 490g/L, temperature of reaction is to carry out chemical treatment under 0～60 ℃ the condition, painted by chemical oxidation, form the oxide film with different interference of light looks on stainless steel surface, its color has: dark brown bronze-colored, purple, blueness, grey, golden yellow, red-purple, sky blue, grass green, yellow-green colour, black and their intermediate color etc. of crying again; Omit step (2), (3), carry out step (4) spraying Clear paint, step (5) is carried out photocuring; Step (6) is sticked one to two layer of transparency protected glued membrane that is used for packed and transported with laminator.
Claims (9)
1, a kind of making method of Clear coating interference of light Color Stainless Steel is characterized in that following steps are arranged:
Step (1): stainless steel is placed on CrO
3: 250g/l and H
2SO
4: in the solution of 490g/l, be under 0～60 ℃ the condition, to generate interference of light look oxide film in temperature of reaction on its surface;
Step (2): be placed on again and carry out the processing of electrolysis post bake in the electrolysis post bake solution;
Step (3): be placed on Na then
2SiO
3, concentration is that impressed current density is I=0.6A/dm in 10% the aqueous solution
2, temperature of reaction is under 65～85 ℃ the condition, to carry out sealing treatment;
Step (4): in order to strengthen ostentatious antifouling property of above-mentioned Color Stainless Steel and wear resisting property, being coated with on above-mentioned interference of light Color Stainless Steel surface and plating one to two layer thickness is 5 microns to 160 microns attrition resistant Clear coatings;
Step (5): this Clear coating is cured;
Step (6): stick one to two layer of protection glued membrane that is used for packed and transported at last again on the surface of this Clear coating.
2, the making method of Clear coating interference of light Color Stainless Steel according to claim 1 is characterized in that the stainless surface in the above-mentioned steps (1) is 2B face, BA face, minute surface, sandblast face, frosting or hair face.
3, the making method of Clear coating interference of light Color Stainless Steel according to claim 1 is characterized in that the omission of above-mentioned steps (2) and step (3).
4,, it is characterized in that the Clear coating in the above-mentioned steps (4) is varnish, colored varnish coating, powder coating or the liquid coating that comprises macromolecular material and inorganic nanoparticles according to the making method of claim 1 or 3 described Clear coating interference of light Color Stainless Steels.
5, the making method of Clear coating interference of light Color Stainless Steel according to claim 4 is characterized in that above-mentioned macromolecular material is that Resins, epoxy, polyester, Polyurethane, polyacrylate or fluorine-carbon macromolecule select one or two or more mixing.
6, the making method of Clear coating interference of light Color Stainless Steel according to claim 4 is characterized in that above-mentioned inorganic nanoparticles is nanometer SiO
2, nanometer CaCO
3Or nanometer Al
2O
3Select one or two or more mixing.
7,, it is characterized in that the coating method of the Clear coating in the above-mentioned steps (4) is selected following three kinds an of selection: 1. adopt direct liquid coating spray or spread coating according to the making method of claim 1 or 3 described Clear coating interference of light Color Stainless Steels; 2. adopt direct powder coating spraying method, 3. adopt electrophoretic paint electrophoretic painting method.
8,, it is characterized in that the curing of Clear paint in the above-mentioned steps (5) comprises photocuring or thermofixation according to the making method of claim 1 or 3 described Clear coating interference of light Color Stainless Steels.
9,, it is characterized in that the protection glued membrane in the above-mentioned steps (6) comprises transparent adhesive film or opaque glued membrane according to the making method of claim 1 or 3 described Clear coating interference of light Color Stainless Steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031237509A CN1172023C (en) | 2003-05-22 | 2003-05-22 | Process for producing light interference colour shtainless steel with transparent coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031237509A CN1172023C (en) | 2003-05-22 | 2003-05-22 | Process for producing light interference colour shtainless steel with transparent coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1458300A CN1458300A (en) | 2003-11-26 |
| CN1172023C true CN1172023C (en) | 2004-10-20 |
Family
ID=29430345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031237509A Expired - Fee Related CN1172023C (en) | 2003-05-22 | 2003-05-22 | Process for producing light interference colour shtainless steel with transparent coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1172023C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913273A (en) * | 2010-02-23 | 2010-12-15 | 宁夏万隆新材料有限公司 | Wear-resisting and anti-pollution nano film color stainless steel and manufacture method thereof |
| CN105586585A (en) * | 2016-03-08 | 2016-05-18 | 东北大学 | Preparation technology of color anti-bacterial stainless steel |
| CN109208058B (en) * | 2017-07-04 | 2020-10-23 | 北京首航科学技术开发有限公司 | Surface treatment method for improving corrosion resistance of 17-4PH material |
| CN108636745A (en) * | 2018-05-17 | 2018-10-12 | 太湖县爱杰机械铸造有限公司 | The transmission housing surface treating method of automobile gearbox service life can be improved |
| CN112296599A (en) * | 2019-08-02 | 2021-02-02 | 金鹏节能科技有限公司 | Method for manufacturing color stainless steel door and window section bar |
-
2003
- 2003-05-22 CN CNB031237509A patent/CN1172023C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1458300A (en) | 2003-11-26 |
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