CN103660436A - High adhesiveness fingerprint-resisting hot galvanized steel plate and production method thereof - Google Patents
High adhesiveness fingerprint-resisting hot galvanized steel plate and production method thereof Download PDFInfo
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- CN103660436A CN103660436A CN201310590200.2A CN201310590200A CN103660436A CN 103660436 A CN103660436 A CN 103660436A CN 201310590200 A CN201310590200 A CN 201310590200A CN 103660436 A CN103660436 A CN 103660436A
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Abstract
The invention discloses a high adhesiveness fingerprint-resisting hot galvanized steel plate and a production method thereof. The high adhesiveness fingerprint-resisting hot galvanized steel plate comprises a first fingerprint-resisting agent layer, a first passivation liquid layer, a first zinc coating, a basal plate, a second zinc coating, a second passivation liquid layer and a second fingerprint-resisting agent layer which are all sequentially arranged layer by layer, wherein the materials of the first fingerprint-resisting agent layer and the second fingerprint-resisting agent layer are the same; the materials of the first passivation liquid layer and the second passivation liquid layer are the same; the materials of the first zinc coating and the second zinc coating are the same. The high adhesiveness fingerprint-resisting hot galvanized steel plate has excellent fingerprint-resisting adhesive force and malleability and has no desquamation; with adoption of a production method, the production efficiency of the high adhesiveness fingerprint-resisting hot galvanized steel plate is improved.
Description
Technical field
The present invention relates to hot-dip galvanizing sheet steel field, be specifically related to a kind of high tack hot-dip galvanizing sheet steel of resistance to fingerprint and production method thereof.
Background technology
At first, for preventing that surface of steel plate from being corroded, extend its service life, at surface of steel plate, be coated with layer of metal zinc, the sheet metal of this zinc coating is called galvanized steel plain sheet.Use the color painted steel strip that galvanized steel plain sheet is substrate, outside zinc protection, the organic coating on zinc layer has played covering buffer action, can prevent that steel plate from getting rusty, and service life is longer than galvanized steel plain sheet, it is introduced that service life of coated steel sheet is than galvanized steel plain sheet long 50%.But, at different areas and different use positions, adopting the coloured painted coat steel plate of identical zinc-plated amount, coating of the same race, identical coating layer thickness, can be very different its service life.For example, in industrial area or coastal area, owing to being subject to the effect of sulfur dioxide gas in air or salinity, corrosion rate is accelerated, and be affected service life.In rainy season, coating is soaked by rainwater for a long time or at the position of great Yi dewfall too of the temperature difference day and night, all can be corroded quickly, and all can reduce service life.
Fingerprint-proof plate is a kind of composite coating plate obtaining after resistance to finger prints processing is carried out on galvanized sheet surface.Anti-finger print steel plate is the earliest by the material of environmental certification, because surface can not leave fingerprint with clean finger touch, so gain the name " resistance to fingerprint ", anti-finger print steel plate any surface finish, smooth, tolerance is little.Initial resistance to finger prints processing is on zinc-plated chromate passivation film, to form the inorganic series membranes of one deck, is generally silicate films, makes thus surface of steel plate have anti-finger printing.In recent years, user has higher requirement to coating product, in anti-finger printing, also requires ground connection property, higher anti-finger printing and coating performance.Developed thus the clad plate that forms film-type organic hybrid films on galvanized steel plain sheet chromate epithelium.Organic type is different with the performance of two kinds of anti-finger print steel plates of inorganic type, and corrosion resistance and the ground connection property of organic type anti-finger print steel plate are better than inorganic type anti-finger print steel plate, but anti-finger printing index is weaker.But the corrosion resistance of these two kinds of anti-finger print steel plates can meet the requirement of household electric appliances.
Resistance to finger prints processing technique mainly contains two classes: a class be galvanized sheet after Passivation Treatment, then on passivating film, be coated with organic coating (resistance to fingerprint film), its application pattern mainly adopts roller coat.Another kind of is in zinc-plated passivating solution, to add organic resin and colloidal silica, and galvanized steel forms the composite coating with corrosion resistance and anti-finger printing on its surface after by deactivation slot, and its application pattern mainly contains electrolytic coating and roll coating model.Generally all adopt at present the first explained hereafter fingerprint-proof plate both at home and abroad.Traditional fingerprint-proof plate is to using electrolytic galvanized sheet as substrate substantially.Updating and developing along with Hot Galvanizing Technology and technique, the surface quality of heat zinc coating plate has reached the degree suitable with electrolytic galvanized sheet at present, and heat zinc coating plate is cheap, and have better corrosion resistance, therefore with heat zinc coating plate, making the substrate of resistance to fingerprint becomes main flow just gradually.In addition, in recent years the multiple performance of tool in one (as anti-finger printing, electric conductivity, self-lubricity.The organic composite coating plate that coating etc.), can simultaneously meet multiple instructions for use is just rapidly developed.
The main application with the thin steel plate with organic coating of anti-finger printing is the inner and outer plates of various household appliances.At present, about small household appliances, DVD, Set Top Box, computer housing and refrigerator washing machine user general technology flow process in using galvanized sheet and color painted steel strip process, be: galvanized steel plain sheet---one side spraying.This mode of production cost is higher and comparatively serious to the pollution of environment.
The report of the domestic existing one side color painted steel strip of resistance to fingerprint, also has the report that uses chromium-free fingerprint-resistant coating to produce electro-galvanized fingerprint resistant steel sheet.But also do not have the hot-dip galvanizing sheet steel of resistance to fingerprint of high tack also not have at present at present.
Summary of the invention
The object of the present invention is to provide a kind of adhesive force of resistance to fingerprint is good, ductility is good, nothing is peeled off, production efficiency the is high high tack hot-dip galvanizing sheet steel of resistance to fingerprint and production method thereof.
For solving the problems of the technologies described above, technical scheme of the present invention is, a kind of high tack hot-dip galvanizing sheet steel of resistance to fingerprint is provided, substrate in the middle of comprising, the first zinc coat of upper surface of base plate, the first passivation liquid layer of the first zinc coat upper surface, the first resistance to fingerprint agent layer of the first passivation liquid layer upper surface, the second zinc coat of base lower surface, the second resistance to fingerprint agent layer of the second passivation liquid layer of the second zinc coat lower surface and the second passivation liquid layer lower surface, the first described zinc coat and the second zinc coat are same composition, described the first passivation liquid layer and the second passivation liquid layer are same composition, the first described resistance to fingerprint agent layer and the second resistance to fingerprint agent layer are same composition.
In a preferred embodiment of the present invention, described substrate is cold bundle steel plate.
In a preferred embodiment of the present invention, the material of described the first resistance to fingerprint agent layer and described the second resistance to fingerprint agent layer is chromium-free fingerprint-resistant agent.
For solving the problems of the technologies described above, technical scheme of the present invention is, a kind of production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint is provided, and concrete steps comprise:
(1) at upper surface of base plate and lower surface, carry out zinc-plated processing;
(2) on the surface of the first zinc coat and the second zinc coat, carry out passivating solution processing;
(3) on the surface of the first passivation liquid layer and the second passivation liquid layer, carrying out resistance to fingerprint agent processes.
In a preferred embodiment of the present invention, the percentage by weight proportioning of the chemical composition of described resistance to fingerprint agent is: 50～75% organic polymer resins, 20～35% organic siliconresin solution, 12～20% water system waxes, 12～20% nano-oxides, 21～28% metallic compounds, the water of 18～28% silane mixtures and surplus.
In a preferred embodiment of the present invention, described resistance to fingerprint agent is processed and is comprised:
(1) preparation of resistance to fingerprint agent: first pH adjusting agent is added to the water, then slowly add silane mixture and nano-oxide, make nano-oxide thickened pulp, then with organic polymer resin, organic siliconresin solution, water system wax mix and blend film forming, formed resistance to fingerprint agent;
(2) coating of resistance to fingerprint agent: the steel plate after passivating solution is processed carries out thermokalite to be washed, and washes chromating layer off, soaks resistance to fingerprint agent with sponge, then slowly, firmly brushes surface of steel plate, puts in hot bellows and toasts a period of time immediately after coating.
In a preferred embodiment of the present invention, the pH value scope of the solution of the preparation of described resistance to fingerprint agent is 2-4.
In a preferred embodiment of the present invention, the temperature of described hot bellows is 350 ℃.
In a preferred embodiment of the present invention, described baking time is 30-50s.
The high tack hot-dip galvanizing sheet steel of the resistance to fingerprint adhesive force of resistance to fingerprint of the present invention is good, ductility is good, nothing is peeled off.
The production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint of the present invention has improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation in the high tack hot-dip galvanizing sheet steel of resistance to fingerprint one preferred embodiment of invention;
In accompanying drawing, each mark is as follows: 1, substrate, the 21, first zinc coat, the 31, first passivation liquid layer, the 41, first resistance to fingerprint agent layer, the 22, second zinc coat, the 32, second passivation liquid layer, the 42, second resistance to fingerprint agent layer.
The specific embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Of the present invention is a kind of high tack hot-dip galvanizing sheet steel of resistance to fingerprint, as shown in Figure 1, substrate 1 in the middle of comprising, the first zinc coat 21 of substrate 1 upper surface, the first passivation liquid layer 31 of the first zinc coat 21 upper surfaces, the first resistance to fingerprint agent layer 41 of the first passivation liquid layer 31 upper surfaces, the second zinc coat 22 of substrate 1 lower surface, the second resistance to fingerprint agent layer 42 of the second passivation liquid layer 32 of the second zinc coat 22 lower surfaces and the second passivation liquid layer 32 lower surfaces, the first described zinc coat 21 and the second zinc coat 22 are same composition, the first described passivation liquid layer 31 and the second passivation liquid layer 32 are same composition, the described resistance to fingerprint agent layer 42 of the first resistance to fingerprint agent layer 41 and second is same composition.
Described substrate 1 is cold bundle steel plate.
The material of described the first resistance to fingerprint agent layer 41 and described the second resistance to fingerprint agent layer 42 is chromium-free fingerprint-resistant agent.
The production method of a kind of high tack hot-dip galvanizing sheet steel of resistance to fingerprint of the present invention, concrete steps comprise:
(1) at upper surface of base plate and lower surface, carry out zinc-plated processing;
(2) on the surface of the first zinc coat and the second zinc coat, carry out passivating solution processing;
(3) on the surface of the first passivation liquid layer and the second passivation liquid layer, carrying out resistance to fingerprint agent processes.
The percentage by weight proportioning of the chemical composition of described resistance to fingerprint agent is: 50～75% organic polymer resins, 20～35% organic siliconresin solution, 12～20% water system waxes, 12～20% nano-oxides, 21～28% metallic compounds, the water of 18～28% silane mixtures and surplus.
Described resistance to fingerprint agent is processed and is comprised:
(1) preparation of resistance to fingerprint agent: first pH adjusting agent is added to the water, then slowly add silane mixture and nano-oxide, make nano-oxide thickened pulp, then with organic polymer resin, organic siliconresin solution, water system wax mix and blend film forming, formed resistance to fingerprint agent;
(2) coating of resistance to fingerprint agent: the steel plate after passivating solution is processed carries out thermokalite to be washed, and washes chromating layer off, soaks resistance to fingerprint agent with sponge, then slowly, firmly brushes surface of steel plate, puts in hot bellows and toasts a period of time immediately after coating.
The pH value scope of the solution of the preparation of described resistance to fingerprint agent is 2-4.
The temperature of described hot bellows is 350 ℃.
Described baking time is 30-50s.
Embodiment mono-:
Test raw material: hot-dip galvanizing sheet steel: base material Q235, thickness 0.5mm, 120 grams of zinc-plated amounts.
Processing step: first carry out zinc-plated processing at upper surface of base plate and lower surface; Then on the surface of the first zinc coat and the second zinc coat, carry out passivating solution processing; Finally on the surface of the first passivation liquid layer and the second passivation liquid layer, carrying out resistance to fingerprint agent processes.Resistance to fingerprint agent is processed and is comprised: first pH adjusting agent is added to the water, then slowly add silane mixture and nano-oxide, make nano-oxide thickened pulp, then with organic polymer resin, organic siliconresin solution, water system wax mix and blend film forming, formed resistance to fingerprint agent; Steel plate after passivating solution is processed carries out thermokalite to be washed, and washes chromating layer off, with sponge, soaks resistance to fingerprint agent, then slowly, firmly brushes surface of steel plate, puts into immediately in the hot bellows of 350 ℃ and toast 30-50s after coating.
The high tack hot-dip galvanizing sheet steel of the resistance to fingerprint adhesive force of resistance to fingerprint of the present invention is good, ductility is good, nothing is peeled off.
The production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint of the present invention has improved production efficiency.
The foregoing is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (9)
1. the one kind high tack hot-dip galvanizing sheet steel of resistance to fingerprint, it is characterized in that: comprise the first resistance to fingerprint agent layer, the first passivation liquid layer, the first zinc coat, substrate, the second zinc coat, the second passivation liquid layer and the second resistance to fingerprint agent layer that by layer, arrange successively, wherein, described the first resistance to fingerprint agent layer is identical with the material of described the second resistance to fingerprint agent layer, described the first passivation liquid layer is identical with the material of described the second passivation liquid layer, and described the first zinc coat is identical with the material of described the second zinc coat.
2. the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 1, is characterized in that: described substrate is cold bundle steel plate.
3. the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 1, is characterized in that: the material of described the first resistance to fingerprint agent layer and described the second resistance to fingerprint agent layer is chromium-free fingerprint-resistant agent.
4. a production method for the high tack hot-dip galvanizing sheet steel of resistance to fingerprint, is characterized in that: concrete steps comprise:
(1) at upper surface of base plate and lower surface, carry out zinc-plated processing;
(2) on the surface of the first zinc coat and the second zinc coat, carry out passivating solution processing;
(3) on the surface of the first passivation liquid layer and the second passivation liquid layer, carrying out resistance to fingerprint agent processes.
5. the production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 4, it is characterized in that: the percentage by weight proportioning of the chemical composition of described resistance to fingerprint agent is: 50～75% organic polymer resins, 20～35% organic siliconresin solution, 12～20% water system waxes, 12～20% nano-oxides, 21～28% metallic compounds, the water of 18～28% silane mixtures and surplus.
6. the production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 5, is characterized in that: described resistance to fingerprint agent is processed and comprised:
(1) preparation of resistance to fingerprint agent: first pH adjusting agent is added to the water, then slowly add silane mixture and nano-oxide, make nano-oxide thickened pulp, then with organic polymer resin, organic siliconresin solution, water system wax mix and blend film forming, formed resistance to fingerprint agent;
(2) coating of resistance to fingerprint agent: the steel plate after passivating solution is processed carries out thermokalite to be washed, and washes chromating layer off, soaks resistance to fingerprint agent with sponge, then slowly, firmly brushes surface of steel plate, puts in hot bellows and toasts a period of time immediately after coating.
7. the production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 6, is characterized in that: the pH value scope of the solution of the preparation of described resistance to fingerprint agent is 2-4.
8. the production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 6, is characterized in that: the temperature of described hot bellows is 350 ℃.
9. the production method of the high tack hot-dip galvanizing sheet steel of resistance to fingerprint according to claim 6, is characterized in that: described baking time is 30-50s.
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Cited By (5)
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| CN106519953A (en) * | 2016-11-02 | 2017-03-22 | 烨辉（中国）科技材料有限公司 | Antibiosis fingerprint-proof surfacing steel product structure |
| CN107937863A (en) * | 2017-11-18 | 2018-04-20 | 蚌埠市嘉实机电设备制造有限公司 | A kind of method of injection mold maintenance processing |
| CN109943841A (en) * | 2019-05-08 | 2019-06-28 | 兴化市华成镀锌管件有限公司 | A kind of galvanized steel plain sheet resistance and fingerprint resistance inorganic agent and preparation method thereof |
| CN112853361A (en) * | 2020-12-31 | 2021-05-28 | 山东富海材料科技有限公司 | High-adhesion fingerprint-resistant hot-dip galvanized steel plate and production method thereof |
| CN113789506A (en) * | 2021-09-15 | 2021-12-14 | 西安隆基绿能建筑科技有限公司 | Metal plate, building and preparation method of metal plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106519953A (en) * | 2016-11-02 | 2017-03-22 | 烨辉（中国）科技材料有限公司 | Antibiosis fingerprint-proof surfacing steel product structure |
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| CN113789506A (en) * | 2021-09-15 | 2021-12-14 | 西安隆基绿能建筑科技有限公司 | Metal plate, building and preparation method of metal plate |
| CN113789506B (en) * | 2021-09-15 | 2023-09-01 | 隆基乐叶光伏科技有限公司 | Metal plate, building and preparation method of metal plate |
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Application publication date: 20140326 |