CN103911031A - Hot-galvanizing self-lubricating treating agent composition, self-lubricating galvanized sheet and preparation method thereof - Google Patents
Hot-galvanizing self-lubricating treating agent composition, self-lubricating galvanized sheet and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a self-lubricating treating agent composition which contains water, lubricant, colloidal silicon dioxide, inorganic inhibitor, silane coupling agent and organic resin. The invention also discloses a self-lubricating galvanized sheet which comprises a hot-galvanized sheet substrate and a coating attached to the surface of the substrate, wherein the coating is formed by the self-lubricating treating agent composition. Besides, the invention also discloses a preparation method of the self-lubricating galvanized sheet, which comprises the following steps: preparing the self-lubricating treating agent composition into a coating solution, coating the coating solution on the hot-galvanized sheet substrate, and curing. The coating formed by curing the self-lubricating treating agent composition has favorable corrosion resistance, heat resistance, water resistance and adsorptivity, and has especially excellent fingerprint resistance and self-lubricating property.
Description
Technical field
The present invention relates to a kind of pot galvanize self-lubrication treatment agent composition and self-lubricating galvanized sheet and preparation method thereof.
Background technology
Self-lubricating steel plate galvanized is the steel plate galvanized product that a kind of surface has shallow layer, this product because of this coating have self-lubricating function need not be coated with slushing oil prevent hot-dip galvanizing sheet steel transport and storage in corrosion, can simplify packaging process, reduce and produce and transportation cost.Thereby galvanized self-lubricating steel plate has been subject to industry and has paid close attention to widely.
The organic coating self-lubricating steel plate product RIVER ZIVC FE of Kawasaki, Japan iron exploitation processed has excellent solidity to corrosion, anti-finger printing and water tolerance.But the shortcoming of RIVER ZIVC FE self-lubricating steel plate is its surperficial self-lubrication treatment liquid and has the chromizing layer containing heavy metal chromium, although trivalent chromium is better than sexavalent chrome aspect safety and environmental protection, be converted into chromic risk but still exist, aspect safety and environmental protection, have certain shortcoming.
Baoshan Iron and Steel Company company limited has developed a kind of self-lubricating galvanized sheet, this self-lubricating galvanized sheet surface scribbles the not inorganic paint containing chromium, this inorganic paint forms coating by reaction on galvanized sheet surface, the thinner thickness of the inorganic coating forming by this method, thermotolerance, adsorptivity and the film-forming properties of coating are poor, easily come off.
Nippon Steel company has developed a kind of lubricating aqueous polyurethane resin combination organic coating, and this organic coating is coated on after galvanized steel sheet surface and often forms thicker organic layer, has the shortcoming that poor heat resistance and cost consumption are high.
Therefore being necessary to develop one is not partly organically containing chromium and moiety, has the self-lubrication treatment liquid taking hot-dip galvanizing sheet steel as base material of good solidity to corrosion, thermotolerance, water tolerance, adsorptivity, film-forming properties, oilness.
Summary of the invention
The object of the present invention is to provide a kind of containing chromium, moiety is half organically, has the self-lubrication treatment agent composition of good solidity to corrosion, anti-finger printing, thermotolerance, water tolerance, adsorptivity, film-forming properties and self lubricity, and uses said composition as self-lubricating galvanized sheet of coating and preparation method thereof.
To achieve these goals, the invention provides a kind of self-lubrication treatment agent composition, wherein, said composition contains water, lubricant, colloid silica, inorganic inhibitor, silane coupling agent and organic resin.
On the other hand, the invention provides a kind of self-lubricating galvanized sheet, this self-lubricating galvanized sheet comprises heat zinc coating plate base material and be attached to the coating on substrate surface, and wherein, described coating is formed by described self-lubrication treatment agent composition provided by the invention.
Again on the one hand, the invention provides a kind of preparation method of self-lubricating galvanized sheet, the method comprises: described self-lubrication treatment agent composition provided by the invention is mixed with to coating fluid, described coating fluid is coated on heat zinc coating plate base material, be then cured.
By technique scheme, the invention provides a kind of self-lubrication treatment agent composition and there is the self-lubricating galvanized sheet of good self lubricity and the preparation method of this zine plate.
Self-lubrication treatment agent composition provided by the present invention is owing to not containing heavy metal chromium, so there is the feature of Environmental Safety, in addition, the moiety of self-lubrication treatment agent composition provided by the present invention is half organic composition, the coating forming after solidifying has good solidity to corrosion, thermotolerance, water tolerance, tack and film-forming properties, and its anti-finger printing and self lubricity excellence especially.
Other features and advantages of the present invention are described in detail the embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of self-lubrication treatment agent composition, wherein, said composition contains water, lubricant, colloid silica, inorganic inhibitor, silane coupling agent and organic resin.
The present invention has no particular limits the content of above each material, can realize object of the present invention as long as contain above material in composition.Preferably, taking the water of 100 weight parts as benchmark, the content of described colloid silica is 2-30 weight part, the content of described lubricant is 1-30 weight part, the content of described inorganic inhibitor is 0.1-5 weight part, the content of described silane coupling agent is 2-20 weight part, and the content of described organic resin is 1-50 weight part.
More preferably, taking the water of 100 weight parts as benchmark, the content of described colloid silica is 5-20 weight part, the content of described lubricant is 10-25 weight part, the content of described inorganic inhibitor is 1.5-4 weight part, the content of described silane coupling agent is 8-16 weight part, and the content of described organic resin is 15-45 weight part.
According to self-lubrication treatment agent composition of the present invention, wherein, described colloid silica can be purchased, and also can prepare according to the preparation method of the colloid silica of this area routine.Preferably, the silicon dioxide colloid grain diameter of colloid silica of the present invention is 1-150nm, more preferably 1-50nm.
According to self-lubrication treatment agent composition of the present invention, wherein, described lubricant can be at least one in water-base fluorocarbon emulsion, silicone oil emulsion, polythene wax emulsion, tetrafluoroethylene wax emulsion and carnauba wax emulsion, in order further to improve self-lubricating property, described lubricant is preferably at least one in water-base fluorocarbon emulsion, polythene wax emulsion and tetrafluoroethylene wax emulsion.
According to self-lubrication treatment agent composition of the present invention, wherein, described organic resin can be at least one in water-borne acrylic resin, water-based styrene-acrylic resin, resol resins, waterborne polyurethane resin, waterborne organic silicon resin and aqueous epoxy resins, in order further to improve coating performance, described organic resin is preferably at least one in water-borne acrylic resin, water-based styrene-acrylic resin and aqueous polyurethane.
According to self-lubrication treatment agent composition of the present invention, wherein, described inorganic inhibitor can be at least one in potassium permanganate, disodium-hydrogen, Sodium Nitrite, tripoly phosphate sodium STPP, zinc sulfate and Sodium orthomolybdate.In order further to improve corrosion resisting property, described inorganic inhibitor is preferably at least one in Sodium Nitrite, Sodium orthomolybdate and potassium permanganate.
According to self-lubrication treatment agent composition of the present invention, wherein, described silane coupling agent can be at least one in γ-aminopropyl triethoxysilane (KH550), γ-glycidyl ether oxygen propyl trimethoxy silicane (KH560), γ-methacryloxypropyl trimethoxy silane (KH570), γ-mercaptopropyl trimethoxysilane (KH590), vinyltrimethoxy silane (KH171) and N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane (KH792).In order further to obtain excellent corrosion proof effect, described silane coupling agent is preferably N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane and/or γ-methacryloxypropyl trimethoxy silane.
According to self-lubrication treatment agent composition of the present invention, wherein, in order further to improve the performance of described self-lubrication treatment agent composition, described raw mixture can also contain auxiliary agent.Wherein, under preferable case, with respect to the water of 100 weight parts, the consumption of described auxiliary agent is 0.1-2 weight part, more preferably 0.3-1 weight part.
The present invention has no particular limits the kind of described auxiliary agent, as long as can realize object of the present invention.The present inventor's discovery, in the time that described auxiliary agent is at least one in tensio-active agent, flow agent and defoamer, the as above performance of composition provided by the invention can be further enhanced.
Wherein, in described auxiliary agent, the selection of tensio-active agent, flow agent and defoamer can be conventional selection, the present invention does not have special requirement, for example, described tensio-active agent can be at least one in alkylphenol polyoxyethylene (OP-10), Sodium dodecylbenzene sulfonate and sodium lauryl sulphate; Described flow agent can be urethane flow agent; Described defoamer can be Polyether Modified Polysiloxanes Defoaming Agent.
Wherein, in the time that described auxiliary agent is flow agent, tensio-active agent and defoamer, in described composition, with respect to the water of 100 weight parts, the content of described flow agent can be that the content of 0.05-1 weight part, described tensio-active agent can be 0.03-0.5 weight part for the content of 0.02-0.5 weight part, described defoamer.
According to self-lubrication treatment agent composition of the present invention, wherein, in particularly preferred situation, described colloid silica is that silica dioxide granule particle diameter is the colloid silica of 1-50nm; Lubricant is water-base fluorocarbon emulsion and/or polythene wax emulsion; Described silane coupling agent is at least one in γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane and γ-methacryloxypropyl trimethoxy silane; Described inorganic inhibitor is potassium permanganate and/or Sodium orthomolybdate; Described organic resin is water-borne acrylic resin and/or aqueous polyurethane.Under this preferable case, after described self-lubrication treatment agent composition solidifies at 80-110 DEG C, the coating of gained has outstanding solidity to corrosion, thermotolerance, water tolerance, adsorptivity, film-forming properties, and its anti-finger printing energy and self-lubricating property are excellent especially.
Wherein, said composition obtains for after each composition is mixed.Under preferable case, the each component in described composition mixes the composition that obtains liquid form before use for 2-60 days at this self-lubrication treatment agent composition.Wherein, the order by merging of each composition is not had to special requirement, can directly the each component in described raw mixture be carried out simultaneously, mix in batches or step by step, as long as can obtain uniform stable phase, preferably make to mix more even by stirring.
The discovery that the present inventor is surprised, the self-lubrication treatment agent composition that above each material is mixed with according to ratio as above can also effectively improve rate of film build, film formation time is shortened greatly, thereby effectively provide production efficiency.
The present invention also provides a kind of self-lubricating agent, and this self-lubricating agent obtains after being mixed by above-mentioned self-lubricating agent composition.
The present invention also provides a kind of self-lubricating galvanized sheet, and this self-lubricating galvanized sheet comprises heat zinc coating plate base material and be attached to the coating on substrate surface, and wherein, described coating is formed by self-lubrication treatment agent composition of the present invention.
According to self-lubricating galvanized sheet of the present invention, wherein, the thickness of described coating can be 0.05-0.3 micron.
According to self-lubricating galvanized sheet of the present invention, wherein, described coating is that described self-lubrication treatment agent composition is attached on described heat zinc coating plate base material, and is 80-110 DEG C and set time to solidify and obtain under the condition of cure that is 10-60s in solidification value.
The present inventor finds, the pH value of self-lubrication treatment agent composition provided by the invention is between 4-10, it is specially adapted to heat zinc coating plate, in the time that self-lubrication treatment agent composition of the present invention is coated on heat zinc coating plate, the coating of described composition has good solidity to corrosion, thermotolerance, water tolerance, adsorptivity, film-forming properties, especially has good anti-finger printing and self-lubricating property.
The present invention also provides a kind of preparation method of self-lubricating galvanized sheet, and the method comprises: self-lubrication treatment agent composition of the present invention is mixed with to coating fluid, described coating fluid is coated on heat zinc coating plate base material, be then cured.
According to the preparation method of self-lubricating galvanized sheet of the present invention, wherein, the heat zinc coating plate substrate surface with respect to every square metre, it is 0.05-0.3 micron that the consumption of described self-lubrication treatment agent makes the thickness of the coating forming on described heat zinc coating plate base material.
According to the preparation method of self-lubricating galvanized sheet of the present invention, wherein, described curing temperature and time those skilled in the art can adjust according to practical situation, and preferably, described curing temperature is 80-110 DEG C, and the time is 10-60s.
Wherein, the method of described coating can adopt this area routine for form the coating process of coating on metal sheet, for example, described self-lubricating agent composition roller coat can be coated in to the surface of described heat zinc coating plate base material, or described self-lubricating agent composition is sprayed to the surface at described heat zinc coating plate base material.
Wherein, to the temperature of described self-lubricating agent composition coating, the present invention has no particular limits, those skilled in the art can described self-lubricating agent composition do not freeze or the temperature range of vaporization in select voluntarily, for example, can be 5-40 DEG C.
Wherein, described curing type of heating, can be one or more in Hot-blast Heating, induction heating and infrared radiation heating.Under preferable case, can use the curing oven on hot galvanizing line to carry out.
The present invention also provides the self-lubricating preparing according to the preparation method of self-lubricating galvanized sheet as above galvanized sheet.
Below will describe the present invention by embodiment.
Reagent used in following examples and comparative example is all commercially available.In the situation that not specializing, described reagent is analytical pure.
Embodiment 1-10 and comparative example 1-5
The component concentration of listing according to table 1 mixes each component under agitation condition, obtains respectively self-lubricating agent composition embodiment 1-10 and comparative example 1-5.
Table 1
| ? | Lubricant | Colloid silica | Inorganic inhibitor | Silane coupling agent | Organic resin | Auxiliary agent | Water |
| Embodiment 1 | 20 | 15 | 3 | 12 | 30 | 0.3 | 100 |
| Embodiment 2 | 10 | 20 | 4 | 8 | 45 | 0.8 | 100 |
| Embodiment 3 | 25 | 5 | 1.5 | 16 | 15 | 0.6 | 100 |
| Embodiment 4 | 5 | 2 | 5 | 20 | 1 | 2 | 100 |
| Embodiment 5 | 30 | 15 | 0.1 | 2 | 50 | 0.2 | 100 |
| Embodiment 6 | 20 | 15 | 3 | 12 | 30 | 0 | 100 |
| Comparative example 1 | 0 | 15 | 3 | 12 | 30 | 0.3 | 100 |
| Comparative example 2 | 20 | 15 | 0 | 12 | 30 | 0.3 | 100 |
| Comparative example 3 | 20 | 15 | 3 | 0 | 30 | 0.3 | 100 |
| Comparative example 4 | 20 | 15 | 3 | 12 | 0 | 0.3 | 100 |
| Comparative example 5 | 20 | 0 | 3 | 12 | 30 | 0.3 | 100 |
| Embodiment 7 | 20 | 15 | 3 | 12 | 30 | 0.3 | 100 |
| Embodiment 8 | 20 | 15 | 3 | 12 | 30 | 0.3 | 100 |
| Embodiment 9 | 20 | 15 | 3 | 12 | 30 | 0.3 | 100 |
| Embodiment 10 | 20 | 15 | 3 | 12 | 30 | 0.3 | 100 |
In embodiment 1-10 and comparative example 1-5, the concrete selection of each component is as follows:
Colloid silica median size is 30nm;
Lubricant is water-base fluorocarbon emulsion (solid content is 46%) and polythene wax emulsion (solid content is 20%) (the two weight ratio is 7:3), inorganic inhibitor is potassium permanganate and Sodium orthomolybdate (the two weight ratio is 3:2), the KH792 that silane coupling agent is selected, organic resin is aqueous polyurethane (solid content is 30%) and water-based styrene-acrylic resin (solid content is 30%) (the two ratio is 4:1), it in auxiliary agent, is flow agent, tensio-active agent, defoamer (three's weight ratio is 3:1:1), wherein tensio-active agent is OP-10, flow agent is urethane flow agent (solid content is 20%), defoamer is Polyether Modified Polysiloxanes Defoaming Agent (solid content is 35%).
In embodiment 7, as different from Example 1, lubricant is carnauba wax emulsion (solid content is 30%).
In embodiment 8, as different from Example 1, inorganic inhibitor is tripoly phosphate sodium STPP and potassium permanganate (the two weight ratio is 1:1).
In embodiment 9, as different from Example 1, the KH550 that silane coupling agent is selected.
In embodiment 10, as different from Example 1, organic resin is water-borne acrylic resin (solid content is 48%) and resol resins (solid content is 30%) (the two weight ratio is 7:3).
Preparation example 1
By the composition of embodiment 1-10 and comparative example 1-5 respectively roller coat be coated on pot galvanize steel band, in the solidification values of 100 DEG C (adopting thermometric test paper to measure solidification value), the lower 25s of solidifying obtains respectively the self-lubricating galvanized sheet 1-10 that contains passivating coating, and self-lubricating galvanized sheet D1-D5.
Test case 1
Measure solidity to corrosion, anti-finger printing, thermotolerance, water tolerance, tack and the self lubricity of the coating of hot self-lubricating galvanized sheet 1-10 and D1-D5 by this test case.The results are shown in Table 2.
Wherein, solidity to corrosion is carried out corrosion test according to the method specifying in GB/T10125-1997 and condition, then according to the regulation of GB12335-90, Corrosion results is evaluated to (per-cent that accounts for the total area with the corroded area after 72 hours represents).Wherein, corroded area is the smaller the better.
The variation that anti-finger printing is smeared Vaseline front and back value of chromatism according to specimen surface is judged: if the variation of front and back aberration is less than 2, be A level; If the variation of front and back aberration is greater than 2, be less than 4, be B level; If the variation of front and back aberration is greater than 4, it is C level.
Thermotolerance is judged according to the variation of sample 20min under 300 DEG C of conditions: if the variation of front and back aberration is less than 4, and the phenomenon such as rete does not occur bubble, comes off, dry linting, be A level; If the variation of front and back aberration is greater than 4, be less than 8, and the phenomenon such as rete does not occur bubble, comes off, dry linting, be B level; If the variation of front and back aberration is greater than 8, and the phenomenon such as rete does not occur bubble, comes off, dry linting, be C level.
Water tolerance is to adopt 100 DEG C of deionized water drop to measure in sample: if the complete anhydrous mark of sample is A level; Having slight water mark, is B level; Obviously water mark, is C level.
Tack according to 180 ° of bendings of sample after the dry linting deciding degree that comes off of coating: if the phenomenons such as coming off does not appear in coating, dry linting are A level; If occur dry linting but do not occur obscission, it is B level; If there is obscission, it is C level.
Self lubricity judges by measuring the frictional coefficient of coatingsurface, and wherein frictional coefficient is less, and self lubricity is better.
Table 2
| ? | Solidity to corrosion/% | Anti-finger printing % | Thermotolerance | Water tolerance | Tack | Self lubricity |
| Embodiment 1 | 1 | A | A | A | A | 0.07 |
| Embodiment 2 | 2 | A | B | A | A | 0.11 |
| Embodiment 3 | 2 | A | A | B | A | 0.08 |
| Embodiment 4 | 11 | B | B | B | B | 0.16 |
| Embodiment 5 | 7 | A | B | A | A | 0.06 |
| Embodiment 6 | 3 | A | A | A | B | 0.12 |
| Embodiment 7 | 1 | A | A | A | A | 0.14 |
| Embodiment 8 | 3 | A | A | B | A | 0.15 |
| Embodiment 9 | 4 | A | A | A | A | 0.12 |
| Embodiment 10 | 5 | A | B | B | A | 0.15 |
| Comparative example 1 | 3 | A | A | A | A | 0.36 |
| Comparative example 2 | 21 | B | C | B | A | 0.16 |
| Comparative example 3 | 10 | A | C | A | B | 0.15 |
| Comparative example 4 | 16 | A | B | C | C | 0.17 |
| Comparative example 5 | 13 | C | A | B | B | 0.2 |
By the data of table 2, by the contrast of embodiment 1-10 and comparative example 1-5, can find out, the coating that self-lubricating agent composition provided by the invention obtains under solidifying is taken into account the performances such as good solidity to corrosion, anti-finger printing, thermotolerance, water tolerance, adsorptivity and self lubricity simultaneously.
Especially, by the contrast of embodiment 1 and embodiment 4-6, can find, at the preferred water with respect to 100 weight parts, the content of described colloid silica is 5-20 weight part; The content of described lubricant is 10-25 weight part; The content of described inorganic inhibitor is 1.5-4 weight part; The content of described silane coupling agent is 8-16 weight part; The content of described organic resin is 15-45 weight part, and in the situation that contains auxiliary agent, described coating has outstanding solidity to corrosion, anti-finger printing, thermotolerance, water tolerance, self lubricity.
Especially, by the contrast of embodiment 1 and embodiment 7-10, can find, the kind of each component is controlled in the situation of the preferred kind of the present invention, after described self-lubrication treatment agent composition solidifies at 80-110 DEG C, the coating of gained has outstanding tack, solidity to corrosion, thermotolerance, water tolerance and adsorptivity, and its anti-finger printing and self-lubricating property excellence especially.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (14)
1. a self-lubrication treatment agent composition, is characterized in that, said composition contains water, lubricant, colloid silica, inorganic inhibitor, silane coupling agent and organic resin.
2. agent composition according to claim 1, wherein, taking the water of 100 weight parts as benchmark, the content of described colloid silica is 2-30 weight part, the content of described lubricant is 1-30 weight part, the content of described inorganic inhibitor is 0.1-5 weight part, and the content of described silane coupling agent is 2-20 weight part, and the content of described organic resin is 1-50 weight part; Preferably, taking the water of 100 weight parts as benchmark, the content of described colloid silica is 5-20 weight part, the content of described lubricant is 10-25 weight part, the content of described inorganic inhibitor is 1.5-4 weight part, the content of described silane coupling agent is 8-16 weight part, and the content of described organic resin is 15-45 weight part.
3. agent composition according to claim 1 and 2, wherein, the particle diameter of described colloid silica is 1-150nm, is preferably 1-50nm.
4. agent composition according to claim 1 and 2, wherein, described lubricant is at least one in water-base fluorocarbon emulsion, silicone oil emulsion, polythene wax emulsion, tetrafluoroethylene wax emulsion and carnauba wax emulsion, is preferably at least one in water-base fluorocarbon emulsion, polythene wax emulsion and tetrafluoroethylene wax emulsion.
5. agent composition according to claim 1 and 2, wherein, described organic resin is at least one in water-borne acrylic resin, water-based styrene-acrylic resin, resol resins, water-based versamid 900, waterborne organic silicon resin and aqueous epoxy resins, is preferably at least one in water-borne acrylic resin, water-based styrene-acrylic resin and aqueous polyurethane.
6. agent composition according to claim 1 and 2, wherein, described inorganic inhibitor is at least one in potassium permanganate, disodium-hydrogen, Sodium Nitrite, tripoly phosphate sodium STPP, zinc sulfate and Sodium orthomolybdate, is preferably at least one in Sodium Nitrite, Sodium orthomolybdate and potassium permanganate.
7. agent composition according to claim 1 and 2, wherein, described silane coupling agent can be at least one in γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, γ-mercaptopropyl trimethoxysilane, vinyltrimethoxy silane and N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, is preferably N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane and/or γ-methacryloxypropyl trimethoxy silane.
8. agent composition according to claim 1, wherein, this agent composition also contains auxiliary agent.
9. agent composition according to claim 8, wherein, described auxiliary agent is at least one in tensio-active agent, flow agent and defoamer; Taking the water of 100 weight parts as benchmark, the content of described auxiliary agent is 0.1-2 weight part, is preferably 0.3-1 weight part.
10. a self-lubricating galvanized sheet, this self-lubricating galvanized sheet comprises and it is characterized in that heat zinc coating plate base material and be attached to the coating on substrate surface, described coating is formed by the self-lubrication treatment agent composition described in any one in claim 1-9.
11. self-lubricating galvanized sheets according to claim 10, wherein, the thickness of described coating is 0.05-0.3 micron.
The preparation method of 12. 1 kinds of self-lubricating galvanized sheets, the method comprises: the self-lubrication treatment agent composition described in any one in claim 1-9 is mixed with to coating fluid, described coating fluid is coated on heat zinc coating plate base material, be then cured.
13. preparation methods according to claim 12, wherein, described curing condition comprises: temperature is 80-110 DEG C, the time is 10-60s.
14. according to the preparation method described in claim 12 or 13, and wherein, it is 0.05-0.3 micron that the consumption of described coating fluid makes the thickness of the coating forming on described heat zinc coating plate base material.
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