CN102002711B - Method for coating on material - Google Patents
Method for coating on material Download PDFInfo
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- CN102002711B CN102002711B CN2010103013202A CN201010301320A CN102002711B CN 102002711 B CN102002711 B CN 102002711B CN 2010103013202 A CN2010103013202 A CN 2010103013202A CN 201010301320 A CN201010301320 A CN 201010301320A CN 102002711 B CN102002711 B CN 102002711B
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Abstract
The invention relates to a method for coating on a metal material. The method comprises the following steps of: 1) treating the surface of the metal material, namely, cleaning the surface of the metal material and cleaning the surface once with ultrapure water with the electrical conductivity of 0.1 mu S/cm; 2) treating a bottom layer; 3) treating a middle layer; and 4) coating a coloring protection coating on the middle layer. The method has the advantages that: 1, three wastes are not discharged; 2, an obtained product has the advantages of corrosion resistance, wearing resistance, impact resistance and the like, and various properties of the product are superior to those of a product obtained by an electroplating method; 3, equipment cost needed by the method is much lower than that of electroplating equipment; 4, the method has low energy consumption, can realize automatic production and has production cost which is 65 percent of that of the conventional electroplating method; 5, the coating is colorful and a surface color can be optionally blended into various colors; and 6, the method is easy to operate, the product has high yield and unaccepted product can be reworked.
Description
Technical field
The present invention relates to a kind of overlay coating method of material.
Background technology
Traditional material surface coating generally is on metallic substance, to plate the coating that one deck plays protection or decoration function through electro-plating method.Owing to adopt electro-plating method need use the electroplate liquid that contains heavy metal; Can produce the waste liquid that amplification quantity side by side is acid, contain heavy metal in the electroplating process; Therefore both health of serious environment pollution, harm operator, and production cost is higher, and the scope of application is limited.
Summary of the invention
Technical problem to be solved by this invention be provide to the deficiency of above-mentioned prior art a kind of pollution less, cost is low and method of coating on a kind of material that the scope of application is extensive.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Method of coating on a kind of material, it may further comprise the steps:
1) metal material surface is handled: clean up, and then the use specific conductivity is to clean one time in the 0.1 μ S/cm ultrapure water;
2) bottom layer treatment: solidify with the color-mixing UV light oil uviolizing;
3) intermediate layer handles:
With a conductivity of 0.1 Wei / cm ultrapure water wetted surface of the substrate material;
Spray 3# reagent then, the component of 3# reagent is: acetaldehyde (40%) 20-60ml, hydrochloric acid (36%) 20-30ml and 1000-1200ml heat to 80 ℃ ultrapure water configuration;
Then the conductivity of 0.1 Wei / cm ultrapure water;
Spray two kinds of reagent 1# and 2# again, going out liquid proportional is 1: 1, the composition of 1# reagent: 3-8g Silver Nitrate; 20-30ml ammoniacal liquor (2528%); 0.1g palladium carbon catalyst (Pd/C), 0.25g ruthenium trichloride RuCl33H2O, 10-26g sodium hydroxide join in the 1000ml ultrapure water; The composition of 2# reagent is: 12-60ml glucose, 0.25g Palladous chloride PdCl2,1.23ml anionic surfactant coconut oil diethanol amide, 1000ml ultrapure water;
Then the conductivity of 0.1 Wei / cm ultrapure water then drying;
4) on the middle layer, coat coloration protection coating layer again.
The essence of step 3) is glucose and silver ammino solution generation silver mirror reaction, and the silver layer that produces one deck light is attached on the ready-made bottom.Use palladium carbon catalyst (Pd/C) and ruthenium trichloride as the speed and reduction reaction pair environment requirement of catalyzer to improve reaction.The effect of Palladous chloride PdCl2 and anionic surfactant coconut oil diethanol amide is to improve surface active property, and the silver layer that reaction is produced can be evenly distributed in product surface, can prevent part surface and react uneven problem.
Develop corresponding 1#, 2# and 3# proportioning according to variation of temperature throughout the year, concentration needs high point under the low environment of temperature, and concentration low spot under the high situation of temperature can guarantee can both make qualified product under the various environment like this.
Above-mentioned steps 4) coat coloration protection coating layer and can adopt in following three kinds of methods any one:
1, identical with the primer coating electrophoresis method, coating is the acrylic anodic Clear paint.
2, add color-mixing UV light oil above the middle layer, solidify color-mixing UV light oil with uviolizing then.
3, use toning acrylic-amino epoxy resin baking vanish above the middle layer.
Compared with prior art, the invention has the advantages that:
1, owing to adopt waterborne liquid, do not contain deleterious heavy metal, can accomplish three-waste free discharge.
2, products obtained therefrom has advantages such as corrosion-resistant, wear-resistant, shock-resistance, and its each item performance is not less than electro-plating method.
3, the required equipment cost of this method is significantly less than the cost of electroplating device.
4, energy consumption is low, can realize automatic production, and production cost is a tradition galvanized 65%.
5, coating rich color, surface color can be allocated arbitrarily, can make shades of colour.
6, method is easy to operate, and the product fine rate is high, the unacceptable product processing of can doing over again.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment 1:
Step is following:
Be placed on product and use the ultrasonic cleaning cleaning products on the special-purpose hanger:
A, configuration scavenging solution.
B, heated wash liquid install direct cleaning to improve cleaning performance (adopting the steam heating of environmental protection) product on hanger.
C, unlatching UW carry out vibrations in 1 minute to be handled.
D, be put into and clean in the clear water twice then.Being put into specific conductivity is to clean one time in the 0.1 μ S/cm ultrapure water.
2) bottom layer treatment: solidify with the color-mixing UV light oil uviolizing
a, good dope deal with the color # 400 mesh filter, and then use the spray gun 1025 Qing.
B, product is quiet put 3-5 minute, is put into 50 ℃ in baking oven 2-3 minute.
C, the UV-irradiation 3-5 through certain intensity reach the solidified effect second.
Intermediate layer handles:
Using specific conductivity is that 0.1 μ S/cm ultrapure water is wetting.
With spray gun spraying 3# reagent, 3# reagent mainly rises increases bottom and intermediary sticking power, and the component of liquid is: acetaldehyde (40%) 60ml, hydrochloric acid (36%) 30ml and 1000-1200ml heat to 80 ℃ ultrapure water configuration.
Using specific conductivity is that 0.1 μ S/cm ultrapure water cleans.
With two kinds of reagent 1# of spray gun spraying and 2#, the staple of 1#: 8g Silver Nitrate (analytical pure) AgNO3,30ml ammoniacal liquor (2528%), 0.1g palladium carbon catalyst (Pd/C), 0.25g ruthenium trichloride RuCl33H2O, 15g sodium hydroxide (analytical pure), 1000ml ultrapure water.The composition of 2# agent is: 60ml glucose, 0.25g Palladous chloride PdCl2,1.23ml anionic surfactant coconut oil diethanol amide, 1000ml ultrapure water.This process is silver ions metathetical process.For improving speed of response, the envrionment temperature of reaction should remain on 20-30 ℃.
Using specific conductivity is that 0.1 μ S/cm ultrapure water cleans.
Dry up surperficial excessive moisture, put into oven dry in baking oven 75-100 ℃ 20-30 minute (increasing the sticking power of middle layer and bottom).
Coloration protection coating layer is handled and is respectively three kinds:
Identical with primer coating technology, coating is different.
A, acrylic anodic Clear paint and specific conductivity are that the ratio of 0.1 μ S/cm ultrapure water is during the adding processing of 12 hours toning backs of stirring in 1: 510 is pickled with grains or in wine; Use chemical pump to circulate and prevent deposition; Use filter core to remove impurity and throw out, tank liquor temperature remains on more than 20 ℃.
B, product are contained on the hanger that can conduct electricity and put into treatment trough; Let the positive pole of direct supply be connected with hanger, negative pole is connected on the cell body, and voltage remains on 30V; Treatment time remained on 40 seconds, and the acrylic anodic Clear paint is coated on the product under effect of electric field uniformly.
C, from treatment trough, take out product, wash unnecessary reagent, dry indoor with pure water.
It is heating 20-30 minute in 150-160 ℃ the baking oven that d, product are put into temperature, takes out product then and cools off at room temperature.Curing cross-linking reaction takes place in the acrylic anodic Clear paint under action of high temperature, form the fine and close film of one deck.
E, work-piece cools be to room temperature, test package.
2, color-mixing UV light oil
A, the stoste of handling toning well are with the strainer filtering of 400#, then with spray gun spraying 10-25 μ m.
B, product is quiet put 35 minutes, is put into 50 ℃ in baking oven 2-3 minute.
C, the UV-irradiation 3-5 through certain intensity reach the solidified effect second.
D, test package.
3, toning acrylic-amino epoxy resin baking vanish
A, the stoste of handling toning well are with the strainer filtering of 400#, then with spray gun spraying 10-25 μ m.
B, product is quiet put 35 minutes, is put into baking oven 100-120 ℃ 20-30 minute.
C, work-piece cools be to room temperature, test package.
Embodiment 2
Be used for iron, duraluminum and zinc alloy workpiece, Working environment is under 25-30 ℃ situation.
Implementation step is following:
Be placed on product and use the ultrasonic cleaning cleaning products on the special-purpose hanger:
A, configuration scavenging solution.
B, heated wash liquid install direct cleaning to improve cleaning performance (adopting the steam heating of environmental protection) product on hanger.
C, unlatching UW carry out vibrations in 1 minute to be handled.
D, be put into and clean in the clear water twice then.Being put into specific conductivity is to clean one time in the 0.1 μ S/cm ultrapure water.
Be put into product in the phosphatization groove that configures and carry out bonderizing, using specific conductivity then is that 0.1 μ S/cm ultrapure water cleans up.
3) bottom layer treatment: solidify with the color-mixing UV light oil uviolizing
a, good dope deal with the color # 400 mesh filter, and then use the spray gun 10-25 Qing.
B, product is quiet put 3-5 minute, is put into 50 ℃ in baking oven 2-3 minute.
C, the UV-irradiation 3-5 through certain intensity reach the solidified effect second.
Intermediate layer handles:
Using specific conductivity is that 0.1 μ S/cm ultrapure water is wetting.
With spray gun spraying 3# reagent, 3# reagent mainly rises increases bottom and intermediary sticking power, and the component of liquid is: acetaldehyde (40%) 40ml, hydrochloric acid (36%) 23.5ml and 1000-1200ml heat to 80 ℃ ultrapure water configuration.
Using specific conductivity is that 0.1 μ S/cm ultrapure water cleans.
With two kinds of reagent 1# of spray gun spraying and 2#, the staple of 1#: 5g Silver Nitrate (analytical pure) AgNO3,28ml ammoniacal liquor (2528%), 0.1g palladium carbon catalyst (Pd/C), 0.25g ruthenium trichloride RuCl33H2O, 15g sodium hydroxide (analytical pure), 1000ml ultrapure water.The composition of 2# agent is: 20ml glucose, 0.25g Palladous chloride PdCl2,1.23ml anionic surfactant coconut oil diethanol amide, 1000ml ultrapure water.This process is silver ions metathetical process.For improving speed of response, the envrionment temperature of reaction should remain on 20-30 ℃.
Using specific conductivity is that 0.1 μ S/cm ultrapure water cleans.
Dry up surperficial excessive moisture, put into oven dry in baking oven 70-80 ℃ 20-30 minute (increasing the sticking power of middle layer and bottom).
Coloration protection coating layer is handled and is respectively three kinds:
1. identical with primer coating technology, coating is different.
A, vinylformic acid low temperature anode Clear paint and specific conductivity are that the ratio of 0.1 μ S/cm ultrapure water is 1: during 5-10 stirring toning back adding in 12 hours is handled and is pickled with grains or in wine; Use chemical pump to circulate and prevent deposition; Use filter core to remove impurity and throw out, tank liquor temperature remains on more than 20 ℃.
B, product are contained on the hanger that can conduct electricity and put into treatment trough; Let the positive pole of direct supply be connected with hanger, negative pole is connected on the cell body, and voltage remains on 30V; Treatment time remained on 40 seconds, and the acrylic anodic Clear paint is coated on the product under effect of electric field uniformly.
C, from treatment trough, take out product, wash unnecessary reagent, dry indoor with pure water.
It is heating 20-30 minute in 70-90 ℃ the baking oven that d, product are put into temperature, takes out product then and cools off at room temperature.Curing cross-linking reaction takes place in the acrylic anodic Clear paint under 70-90 ℃ effect, form the fine and close film of one deck.
E, work-piece cools be to room temperature, test package.
2, color-mixing UV light oil
A, the stoste of handling toning well are with the strainer filtering of 400#, then with spray gun spraying 10-25 μ m.
B, product is quiet put 3-5 minute, is put into 50 ℃ in baking oven 2-3 minute.
C, the UV-irradiation 3-5 through certain intensity reach the solidified effect second.
D, test package.
3, toning acrylic-amino epoxy resin baking vanish
A, the stoste of handling toning well are with the strainer filtering of 400#, then with spray gun spraying 10-25 μ m.
B, product is quiet put 3-5 minute, is put into baking oven 70-90 ℃ 30-40 minute.
C, work-piece cools be to room temperature, test package.
Embodiment 3
Be used for iron, duraluminum and zinc alloy workpiece, Working environment is under 30-35 ℃ situation.
Step is following:
Be placed on product and use the ultrasonic cleaning cleaning products on the special-purpose hanger:
A, configuration scavenging solution.
B, heated wash liquid install direct cleaning to improve cleaning performance (adopting the steam heating of environmental protection) product on hanger.
C, unlatching UW carry out vibrations in 1 minute to be handled.
D, be put into and clean in the clear water twice then.Being put into specific conductivity is to clean one time in the 0.1 μ S/cm ultrapure water.
Be put into product in the phosphatization groove that configures and carry out bonderizing, using specific conductivity then is that 0.1 μ S/cm ultrapure water cleans up.
3) bottom layer treatment: solidify with the color-mixing UV light oil uviolizing
a, good dope deal with the color # 400 mesh filter, and then use the spray gun 10-25 Qing.
B, product is quiet put 3-5 minute, is put into 50 ℃ in baking oven 2-3 minute.
C, the UV-irradiation 3-5 through certain intensity reach the solidified effect second.
4) intermediate layer handles:
Using specific conductivity is that 0.1 μ S/cm ultrapure water is wetting.
With spray gun spraying 3# reagent, 3# reagent mainly rises increases bottom and intermediary sticking power, and the component of liquid is: acetaldehyde (40%) 20ml, hydrochloric acid (36%) 20ml and 1000-1200ml heat to 80 ℃ ultrapure water configuration.
Using specific conductivity is that 0.1 μ S/cm ultrapure water cleans.
With two kinds of reagent 1# of spray gun spraying and 2#, the staple of 1#: 3g Silver Nitrate (analytical pure) AgNO3,20ml ammoniacal liquor (2528%), 0.1g palladium carbon catalyst (Pd/C), 0.25g ruthenium trichloride RuCl33H2O, 15g sodium hydroxide (analytical pure), 1000ml ultrapure water.The composition of 2# agent is: 12ml glucose, 0.25g Palladous chloride PdCl2,1.23ml anionic surfactant coconut oil diethanol amide, 1000ml ultrapure water.This process is silver ions metathetical process.For improving speed of response, the envrionment temperature of reaction should remain on 20-30 ℃.
Using specific conductivity is that 0.1 μ S/cm ultrapure water cleans.
Dry up surperficial excessive moisture, put into oven dry in baking oven 70-80 ℃ 20-30 minute (increasing the sticking power of middle layer and bottom).
Coloration protection coating layer is handled identical with embodiment 2 respectively.
Claims (4)
1. the method for coating on the metallic substance, it is characterized in that: it may further comprise the steps:
1) metal material surface is handled: clean up, and then the use specific conductivity is to clean one time in the 0.1 μ S/cm ultrapure water;
2) bottom layer treatment: solidify with the color-mixing UV light oil uviolizing;
3) intermediate layer handles:
Using specific conductivity is 0.1 μ S/cm ultrapure water wet material bottom surface;
Spray 3# reagent then, the component of 3# reagent is: 40% acetaldehyde 20-60ml, 36% hydrochloric acid 20-30ml and 1000-1200ml heat to 80 ℃ ultrapure water configuration;
Using specific conductivity again is that 0.1 μ S/cm ultrapure water cleans;
Spray two kinds of reagent 1# and 2# again, the composition of 1# reagent: 3-8g Silver Nitrate, 25-28% ammoniacal liquor 20-30ml, 0.1g palladium carbon catalyst (Pd/C), 0.25g ruthenium trichloride RuCl
33H
2O, 10-26g sodium hydroxide join in the 1000ml ultrapure water; The composition of 2# reagent is: 12-60ml glucose, 0.25g Palladous chloride PdCl
2, 1.23ml anionic surfactant coconut oil diethanol amide, 1000ml ultrapure water;
Using specific conductivity again is that 0.1 μ S/cm ultrapure water cleans the back oven dry;
4) on the middle layer, coat coloration protection coating layer again.
2. the method for coating on the metallic substance as claimed in claim 1 is characterized in that: described step 4) is coated coloration protection coating layer and is adopted electrophoresis method, and coating is the acrylic anodic Clear paint.
3. the method for coating on the metallic substance as claimed in claim 1 is characterized in that: it is to add color-mixing UV light oil above the middle layer that described step 4) is coated coloration protection coating layer, solidifies color-mixing UV light oil with uviolizing then.
4. the method for coating on the metallic substance as claimed in claim 1 is characterized in that: it is with toning acrylic-amino epoxy resin baking vanish above the middle layer that described step 4) is coated coloration protection coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103013202A CN102002711B (en) | 2010-02-07 | 2010-02-07 | Method for coating on material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103013202A CN102002711B (en) | 2010-02-07 | 2010-02-07 | Method for coating on material |
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| Publication Number | Publication Date |
|---|---|
| CN102002711A CN102002711A (en) | 2011-04-06 |
| CN102002711B true CN102002711B (en) | 2012-07-18 |
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| CN2010103013202A Expired - Fee Related CN102002711B (en) | 2010-02-07 | 2010-02-07 | Method for coating on material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944710A (en) * | 2006-10-11 | 2007-04-11 | 方宏亮 | Nano mirror spray coating |
| CN101130186A (en) * | 2006-08-25 | 2008-02-27 | 佛山市顺德区汉达精密电子科技有限公司 | Method for spray coating finishing paint on magnesium alloy surface |
| CN101173355A (en) * | 2006-10-31 | 2008-05-07 | 佛山市顺德区汉达精密电子科技有限公司 | Deformation magnesium alloy direct application processing method |
| CN101285183A (en) * | 2008-05-27 | 2008-10-15 | 北京林业大学 | Electroless plating process for preparing woody electro-magnetic screen material |
| CN101469427A (en) * | 2007-12-28 | 2009-07-01 | 汪正红 | Nano spray plating technique for silver mirror |
-
2010
- 2010-02-07 CN CN2010103013202A patent/CN102002711B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101130186A (en) * | 2006-08-25 | 2008-02-27 | 佛山市顺德区汉达精密电子科技有限公司 | Method for spray coating finishing paint on magnesium alloy surface |
| CN1944710A (en) * | 2006-10-11 | 2007-04-11 | 方宏亮 | Nano mirror spray coating |
| CN101173355A (en) * | 2006-10-31 | 2008-05-07 | 佛山市顺德区汉达精密电子科技有限公司 | Deformation magnesium alloy direct application processing method |
| CN101469427A (en) * | 2007-12-28 | 2009-07-01 | 汪正红 | Nano spray plating technique for silver mirror |
| CN101285183A (en) * | 2008-05-27 | 2008-10-15 | 北京林业大学 | Electroless plating process for preparing woody electro-magnetic screen material |
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| CN102002711A (en) | 2011-04-06 |
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