CN203623053U - High-weather-resistance silver-paint color-coated steel plate - Google Patents
High-weather-resistance silver-paint color-coated steel plate Download PDFInfo
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- CN203623053U CN203623053U CN201320863814.9U CN201320863814U CN203623053U CN 203623053 U CN203623053 U CN 203623053U CN 201320863814 U CN201320863814 U CN 201320863814U CN 203623053 U CN203623053 U CN 203623053U
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- China
- Prior art keywords
- layer
- varnish
- silver powder
- coated steel
- weather
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- Expired - Lifetime
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- 239000003973 paint Substances 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 34
- 238000000576 coating method Methods 0.000 claims abstract description 34
- 239000002966 varnish Substances 0.000 claims abstract description 31
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 239000004411 aluminium Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 claims description 10
- 238000007781 pre-processing Methods 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 229910052709 silver Inorganic materials 0.000 abstract 4
- 239000004332 silver Substances 0.000 abstract 4
- 239000003086 colorant Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 25
- 239000002245 particle Substances 0.000 description 9
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
Images
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- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model discloses a high-weather-resistance silver-paint color-coated steel plate. The steel plate comprises a base layer (1) taking a galvanized plate or an aluminized zinc plate as a substrate, wherein a pretreatment layer (2), a primer layer (3) and a silver paint layer (4) are sequentially arranged at the front surface of the base layer (1) from inside to outside, and a pretreatment layer (6), a primer layer (7) and a finishing coat layer (8) are sequentially at the rear surface of the base layer (1) from inside to outside; the primer layer (3) at the front surface of the base layer (1) is made of a polyurethane primer, and the thickness of the silver paint layer (4) is 18-22 microns; a varnish layer (5) is further arranged outside the silver paint layer (4), the varnish layer (5) is made of transparent varnish, and the thickness of the varnish layer (5) is 10-15 microns. For the high-weather-resistance silver-paint color-coated steel plate, the manufacturing process is simple; by coating a layer of transparent varnish on the silver paint layer, the corrosion resistance and the weather resistance of a product are improved, the color degree of the product is guaranteed as well, the colors are rich, and proved by experiments, a salt spray test of the silver-paint color-coated steel plate coated with the transparent varnish layer can be prolonged by about 500 hours.
Description
Technical field
The utility model relates to a kind of color coated steel sheet, specifically a kind of aluminium paint color coated steel sheet with high-weatherability energy.
Background technology
Aluminium paint is aluminium paint, refers to that one adds aluminium powder in paint as a kind of special pigment, makes it have special flash effect, the paint of metalloid look.
The flicker degree of silver powder generally with the silver powder particles particle size of selecting, relevant with particle diameter silver powder content ratio, the higher aluminium paint of general visual flicker degree, needs the silver powder particle diameter of 70-80% more than 30 μ m.In the time requiring degree of flicker higher, need by the aluminium paint coil of strip salt spray test of this type of silver powder particles production poor.
And aluminium has reproducibility, very easily oxidation, in view of the metal properties of above-mentioned aluminium powder, the color coated steel sheet acid-alkali-corrosive-resisting that uses aluminium paint to produce is poor, and weatherability is not good.
For solve aluminium paint produce color coated steel sheet acid-alkali-corrosive-resisting poor, the problem that weatherability is not good, manufacturer generally selects aluminium powder and the stronger resin of parcel property that particle diameter is less, and aluminium powder is wrapped in resin as far as possible, improves its corrosion-resistant, weatherability with this.
Adopting said method to improve color coated steel sheet corrosion-resistant, that weatherability is produced, is that the stronger resin of parcel property is wrapped in aluminium powder major part in resin due to what use, and the product colour therefore obtaining is darker, and silver powder flicker degree deficiency.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of high weather-proof aluminium paint color coated steel sheet, and on this color coated steel sheet, corrosion-resistant, the weather resistance of aluminium paint is greatly enhanced.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of high weather-proof aluminium paint color coated steel sheet, comprise the basic unit take galvanized sheet or aluminium plating zinc plate as base material, preprocessing layer, prime coat, silver powder enamelled coating from inside to outside successively in the front of described basic unit, preprocessing layer, prime coat, top coat layer from inside to outside successively at the back side of described basic unit, the prime coat material in described basic unit front is polyurethane primer, the thickness of described silver powder enamelled coating is 18～22 μ m, also has layer of varnish outward at described silver powder enamelled coating.Polyurethane primer can be selected the polyurethane primer of selling outside Nippon Paint (China) Co., Ltd..
Due to varnish poor heat resistance, under the effect of ultraviolet light, easily flavescence, will bring impact to silver powder degree of flicker like this.For this reason, the clear varnish thickness of the utility model layer of varnish is selected 10～15 μ m, preferably 15 μ m.Under above-mentioned thickness, contribute to the light that is radiated at surface of steel plate to reflect away, at utmost avoid the layer of varnish flavescence of being heated, affect the flicker degree of silver powder.
Preprocessing layer, prime coat and the top coat layer at the basic unit back side adopt prior art, change for conventional technological means realizes not doing.
In order to improve coating quality and the efficiency of clear varnish, will there be certain roughness on the surface of silver powder enamelled coating.But when surface roughness Ra >1.6 μ m, just can adopt range estimation, when surface roughness Ra >1.6 μ m, can see intuitively in other words.General silver powder enamelled coating is due to reasons such as light, and its surperficial roughness is not very obvious, and in the time of varnish coating layer outside silver powder enamelled coating, it is very obvious that the roughness of silver powder enamelled coating will become, and have a strong impact on the color of product, and silver powder flicker degree.For head it off, silver powder enamelled coating surface roughness Ra of the present utility model is controlled at 0.3～1 μ m.The surface roughness that general surperficial enamelled coating reaches optimum protection effect is 55～65 μ m, because silver powder enamelled coating also has layer of varnish outward, therefore silver powder enamelled coating surface roughness Ra is significantly controlled.Silver powder enamelled coating surface roughness Ra is controlled at 0.3～1 μ m, utilizes on the one hand roughness to be convenient to apply, and roughness is too low, can cause adhesive force bad, finds expression in especially thick film enamelled coating; Solve on the other hand color coated steel sheet product appearance problem.
Varnish, has another name called varnish, is to be that main film forming substance is adding the coating of solvent composition by resin, and it is not containing the transparent of pigment or with light flaxen coating, good luster, and film forming is fast, and main component is resin and solvent or resin, oil and solvent.
The technique that the utility model is manufactured is simple, by application layer of transparent varnish on silver powder enamelled coating, has improved corrosion-resistant, the weatherability of product, guarantees again its bright-colored degree, and color is abundanter.Through experiment, the aluminium paint color coated steel sheet salt mist experiment that the utility model scribbles clear varnish layer can improve about 500 hours.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, high weather-proof aluminium paint color coated steel sheet comprises the basic unit 1 take galvanized sheet or aluminium plating zinc plate as base material, is preprocessing layer 2, prime coat 3, silver powder enamelled coating 4 and layer of varnish 5 from inside to outside successively in the front of described basic unit 1; Preprocessing layer 6, prime coat 7, top coat layer 8 from inside to outside successively at the back side of described basic unit 1.
The aluminium paint of aluminium powder enamelled coating 4 is again antirust paint or aluminium paint, as the aluminium paint of selling outside the ippon coating Co., Ltd of Shanghai.Conventional aluminium paint has two kinds at present, a kind of common ready-mixed aluminum paint (majority is phenolic aldehyde character), for general anti-rust metal surface, one is strong anticorrosion anti-Acidity of Aikalinity aluminium paint, for marine metal surface, and the very strong metal surface, chemical plant of Acidity of Aikalinity.Aluminium paint of the present utility model can be selected from above-mentioned two kinds, specifically selects according to practical application.
Prime coat 3 materials in basic unit 1 front are polyurethane primer, and polyurethane primer is made up of the polyurethane resin of isocyanato group containing, wear-and corrosion-resistant pigment, solvent, auxiliary agent, curing agent etc., and polyurethane primer is the conventional priming paint in market at present.
The thickness of silver powder enamelled coating 4 is 15 μ m, and selecting silver powder particles is 20 μ m, and silver powder enamelled coating 4 surface roughness Ra are 1 μ m, and layer of varnish 5 materials outside silver powder enamelled coating 4 are clear varnish, and the thickness of layer of varnish 5 is 10 μ m.
The preprocessing layer 2 in basic unit 1 front adopts medicament to be mainly containing sexavalence chromic salts composition passivating solution.
The preprocessing layer 6 at basic unit 1 back side adopts medicament to be mainly containing sexavalence chromic salts composition passivating solution, and 8 of the prime coat 7 at basic unit 1 back side and top coat layers adopt prior aries, for conventional prime coat and top coat layer do not make and change.
The said goods reaches 1150 hours through salt mist experiment.Visual flicker degree is general, visual without harsh feeling.
The thickness of silver powder enamelled coating 4 is 20 μ m, and selecting silver powder particles is 30 μ m, and silver powder enamelled coating 4 surface roughness Ra are 0.6 μ m, and layer of varnish 5 materials outside silver powder enamelled coating 4 are clear varnish, and the thickness of layer of varnish 5 is 15 μ m.All the other schemes in the same manner as in Example 1.
The said goods reaches 1200 hours through salt mist experiment.Product colour is bright-coloured, and visual flicker degree is high, visual without harsh feeling.
Embodiment 3
The thickness of silver powder enamelled coating 4 is 18 μ m, and selecting silver powder particles is 30 μ m, and silver powder enamelled coating 4 surface roughness Ra are 0.3 μ m, and layer of varnish 5 materials outside silver powder enamelled coating 4 are clear varnish, and the thickness of layer of varnish 5 is 15 μ m.All the other schemes in the same manner as in Example 1.
The said goods reaches 1100 hours through salt mist experiment.Product colour is bright-coloured, and visual flicker degree is high, visual without harsh feeling.
Claims (3)
1. one kind high weather-proof aluminium paint color coated steel sheet, comprise the basic unit (1) take galvanized sheet or aluminium plating zinc plate as base material, preprocessing layer (2) from inside to outside successively in the front of described basic unit (1), prime coat (3), silver powder enamelled coating (4), preprocessing layer (6) from inside to outside successively at the back side of described basic unit (1), prime coat (7), top coat layer (8), it is characterized in that: positive prime coat (3) material of described basic unit (1) is polyurethane primer, the thickness of described silver powder enamelled coating (4) is 18～22 μ m, outside described silver powder enamelled coating (4), also there is layer of varnish (5), described layer of varnish (5) material is clear varnish, its thickness is 10～15 μ m.
2. the weather-proof aluminium paint color coated steel sheet of height according to claim 1, is characterized in that: described silver powder enamelled coating (4) over lacquer layer (5) thickness is 15 μ m.
3. the weather-proof aluminium paint color coated steel sheet of height according to claim 1 and 2, is characterized in that: described silver powder enamelled coating (4) surface roughness Ra is 0.3～1 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863814.9U CN203623053U (en) | 2013-12-25 | 2013-12-25 | High-weather-resistance silver-paint color-coated steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863814.9U CN203623053U (en) | 2013-12-25 | 2013-12-25 | High-weather-resistance silver-paint color-coated steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203623053U true CN203623053U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863814.9U Expired - Lifetime CN203623053U (en) | 2013-12-25 | 2013-12-25 | High-weather-resistance silver-paint color-coated steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203623053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753880A (en) * | 2013-12-25 | 2014-04-30 | 烨辉（中国）科技材料有限公司 | High-weatherproof silver powder paint color coated steel plate |
-
2013
- 2013-12-25 CN CN201320863814.9U patent/CN203623053U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753880A (en) * | 2013-12-25 | 2014-04-30 | 烨辉（中国）科技材料有限公司 | High-weatherproof silver powder paint color coated steel plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |