CN110029338A - The preparation method of heat zinc coating plate surface covering liquid and resistance to high humidity Passivated Hot Galvanizing Plate - Google Patents
The preparation method of heat zinc coating plate surface covering liquid and resistance to high humidity Passivated Hot Galvanizing Plate Download PDFInfo
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- CN110029338A CN110029338A CN201910349491.3A CN201910349491A CN110029338A CN 110029338 A CN110029338 A CN 110029338A CN 201910349491 A CN201910349491 A CN 201910349491A CN 110029338 A CN110029338 A CN 110029338A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/44—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The present invention relates to heat zinc coating plate surface covering liquid and the preparation methods of resistance to high humidity Passivated Hot Galvanizing Plate, belong to hot-dip galvanizing sheet steel field.Present invention solves the technical problem that being the Alternate hot and humid weather that existing hot-dip galvanizing sheet steel environmental issue is prominent, is not suitable for South China's high humidity high temperature.Heat zinc coating plate surface covering liquid provided by the invention includes water 100, fluorine-containing auxiliary agent 2~10,1~10 parts by weight of corrosion inhibiter, silicon-containing material 10~20, aqueous organic 15~45 in parts by weight, heat zinc coating plate surface covering liquid is coated in heat zinc coating plate surface by the present invention, and baking and curing obtains the Passivated Hot Galvanizing Plate of resistance to high humidity environment.The heat zinc coating plate coating that the present invention is prepared has that excellent corrosion resistance, heat resistance, water resistance, resistance to height be moist, anti-finger printing, self-lubrication, the Alternate hot and humid weather suitable for South China's high humidity high temperature.
Description
Technical field
The invention belongs to hot-dip galvanizing sheet steel fields, and in particular to heat zinc coating plate surface covering liquid and resistance to high humidity hot galvanizing are blunt
Change the preparation method of plate.
Background technique
Heat zinc coating plate is due to excellent processing and service performance ability, in works such as household electrical appliance, automobile, buildings
Industry field is widely used.In wet environment, heat zinc coating plate is also easy to produce corrosion, therefore clad steel sheet will generally be made
Passivation Treatment.Traditional Passivation Treatment such as chromic acid salt treatment, simple process, binding force of membrane is good, and corrosion resistance is high, there is self-regeneration energy
Power.However Cr VI is carcinogen, has serious harm to human body and environment, with the execution that ROHS is instructed, contains sexavalence
The product of chromium receives stringent limitation.Therefore, the traditional chromic acid passivation technique of environmentally friendly passivation technology technical substitution is developed, is heat
The Main way of galvanized steel plain sheet passivation development.
Japan takes its place in the front ranks of the world always in the chromium-free environment-friendly technical aspect of heat zinc coating plate.Nippon Steel develops selfreparing function
The chromium-free deactivation heat zinc coating plate of energy, is surface-treated as inorganic-organic mixed coating；JFE has developed surface and is organic resin and has
The environment-friendly type household electrical appliances steel plate of the passivating coating of the inorganic inhibitor composition of self-healing function, NKK enterprise also develop environment-friendly products
Geo-FrontierCoat.In recent years, the chromium-free deactivation technology of South Korea is also being continuously improved, and Pu is in 2006 in heat zinc coating plate
All realize Trend of Chrome-free in surface.Domestic well-known iron and steel enterprise, such as precious force, Anshan iron and steel plant, Shoudu Iron and Steel Co, it is main using international well-known product
The environmentally friendly passivator of board company.
With the continuous progress of science and technology, although the self-healing ability of chromium-free deactivation non-hexavalent chromium passivation, has basically reached
Chromic acid passivation level.South China (Pearl River Delta) is the main grown place of household appliances, is in high humidity high temperature throughout the year
In climatic environment, easily there are the bad phenomenons such as picking, floating in some hot galvanizing environmental protection passivation plates, are not able to satisfy the requirement of user.
Especially Nan Tian's weather can all occur back in annual three, April, show Alternate hot and humid weather (after prolonged cold environment gas
It is warm quickly to increase, and air humidity is quickly increased with the influence of warm moist air), there is a large amount of condensed water in the body surfaces such as steel plate
Phenomena such as pearl, hot galvanizing environmental protection passivation plate generally will appear picking, whiting, seriously affect user's use.
Therefore, a kind of excellent corrosion resistance with independent intellectual property rights and the feature of environmental protection are developed and is met in south China high humidity environment
The lower hot galvanizing environmental protection passivation plate used is significant for promoting the competitiveness of product in market.
Summary of the invention
Present invention solves the technical problem that being that existing hot-dip galvanizing sheet steel environmental issue is prominent, being difficult to be suitable for South China's height
The Alternate hot and humid weather of wet high temperature.
Technical proposal that the invention solves the above-mentioned problems is to provide heat zinc coating plate surface covering liquid, the raw material of the coating solution
It based on parts by weight include 100 parts by weight of water, fluorine-containing 2~10 parts by weight of auxiliary agent, 1~10 parts by weight of corrosion inhibiter, silicon-containing material 10
~20 parts by weight, 15~45 parts by weight of aqueous organic.
Wherein, fluorine-containing auxiliary agent be water-base fluorocarbon emulsion, polytetrafluoroethylene (PTFE) wax emulsion, fluotitanic acid, in prodan at least
It is a kind of.
Wherein, corrosion inhibiter is ammonium metavanadate, sodium metavanadate, sodium tripolyphosphate, calgon, disodium-hydrogen, molybdic acid
At least one of sodium, potassium molybdate.
Wherein, silicon-containing material is at least one of nanoscale colloidal silicon dioxide, sodium metasilicate, silane coupling agent.
Wherein, aqueous organic be aqueous acrylic emulsion, it is waterborne styrene-acrylic emulsion, aqueous polyurethane emulsion, aqueous organic
At least one of silicone resin, aqueous epoxy resins.
Invention additionally discloses the preparation methods of above-mentioned heat zinc coating plate surface covering liquid, by fluorine-containing auxiliary agent, corrosion inhibiter, siliceous object
Matter, aqueous organic dissolve mixing in water, stir evenly.
The present invention further discloses the preparation method of the Passivated Hot Galvanizing Plate of resistance to high humidity environment, by above-mentioned heat zinc coating plate surface
Coating solution is coated in heat zinc coating plate surface, then baking and curing.
Wherein, 80~125 DEG C of solidification temperature, 10~60s of curing time.
Invention additionally discloses the Passivated Hot Galvanizing Plates for the resistance to high humidity environment that above-mentioned preparation method is prepared.
Wherein, the Passivated Hot Galvanizing Plate coating film thickness of resistance to high humidity environment is 0.8~2.0g/m2。
Beneficial effects of the present invention:
Heat zinc coating plate surface covering liquid provided by the invention is free of chromium, will not cause damages to human body and environment, the feature of environmental protection
It is good；Various composition acts synergistically in heat zinc coating plate surface covering liquid provided by the invention, and fluorine-containing auxiliary agent and silicon-containing material are as envelope
Synergistic effect when closing agent, the heat zinc coating plate coating being prepared have excellent corrosion resistance, heat resistance, water resistance, resistance to height it is moist,
Anti-finger printing, self-lubrication are particularly suitable for the Alternate hot and humid weather of South China's high humidity high temperature.
Specific embodiment
The present invention provides heat zinc coating plate surface covering liquid, and the raw material of the coating solution includes 100 weight of water based on parts by weight
Measure part, fluorine-containing 2~10 parts by weight of auxiliary agent, 1~10 parts by weight of corrosion inhibiter, 10~20 parts by weight of silicon-containing material, aqueous organic 15
~45 parts by weight.
The present invention is in the thinking of design coating solution: with aqueous organic for main film forming matter, constructing the main bone of film layer
Frame, silicon-containing material auxiliary film forming；Corrosion inhibiter improves the rate of film build of coating solution, promotes the corrosion resistance of film layer；Fluorine-containing auxiliary agent and
Silicon-containing material is sealer, and wherein silicon-containing material is mainly distributed on film layer bottom (close to coating), and fluorine-containing auxiliary agent is mainly distributed on
Coating surface and upper layer, it is ensured that film layer has good closure, and coating is made to have excellent corrosion resistance, resistance to height moist and good
Good self-lubrication.
Heat zinc coating plate surface covering liquid provided by the invention can form very fine and close passivation film on heat zinc coating plate surface,
Wherein fluorine-containing auxiliary agent is distributed in the surface of coating after coating solution film forming, had both improved the compactness of coating, and had prevented vapor pair
The infiltration of coating improves the resistance to high wet performance of coating, also improves the self-lubrication of coating, improve the processing of heat zinc coating plate
Processability.
Wherein, fluorine-containing auxiliary agent content range control is in 2~10 parts by weight.
Preferably, fluorine-containing auxiliary agent is water-base fluorocarbon emulsion, in polytetrafluoroethylene (PTFE) wax emulsion, fluotitanic acid, prodan
At least one,
The use of corrosion inhibiter of the present invention not only accelerates coating solution rate of film build, also improves the corrosion resisting property of coating.
Wherein, the control of corrosion inhibiter content range is in 1~10 parts by weight.
Preferably, corrosion inhibiter is ammonium metavanadate, sodium metavanadate, sodium tripolyphosphate, calgon, one hydrogen of phosphoric acid
At least one of sodium, sodium molybdate, potassium molybdate.
Silicon-containing material of the present invention, which is filled in, to be applied at layer gap, is played sealing process, that is, is improved the corrosion resistance of coating, also improve
Anti-finger printing.
Wherein, the control of silicon-containing material content range is in 10~20 parts by weight.
Preferably, silicon-containing material is nanoscale colloidal silicon dioxide, sodium metasilicate, at least one in silane coupling agent
Kind.Further, one of silane coupling agent KH550, KH560, KH570, KH792 or a variety of.
Aqueous organic of the present invention is that the main film forming matter of coating by crosslinked action constitutes the main skeleton of film layer.
Wherein, the control of aqueous organic content range is in 15~45 parts by weight.
Preferably, aqueous organic is aqueous acrylic emulsion, waterborne styrene-acrylic emulsion, aqueous polyurethane emulsion, water
At least one of property organic siliconresin, aqueous epoxy resins.
Invention additionally discloses the preparation methods of above-mentioned heat zinc coating plate surface covering liquid, by fluorine-containing auxiliary agent, corrosion inhibiter, siliceous object
Matter, aqueous organic dissolve mixing in water, stir evenly.
The present invention further discloses the preparation method of the Passivated Hot Galvanizing Plate of resistance to high humidity environment, by above-mentioned heat zinc coating plate surface
Coating solution is coated in heat zinc coating plate surface, then baking and curing.The mode that roller coating specifically can be used coats.
Wherein, 80~125 DEG C of solidification temperature, 10~60s of curing time.
Invention additionally discloses the Passivated Hot Galvanizing Plates for the resistance to high humidity environment that above-mentioned preparation method is prepared.
Wherein, the Passivated Hot Galvanizing Plate coating film thickness of resistance to high humidity environment is 0.8~2.0g/m2。
By the following examples, the present invention will be further explained and explanation for comparative example, performance test.
Each embodiment, comparative example include the preparation of heat zinc coating plate surface covering liquid and the preparation of Passivated Hot Galvanizing Plate.
Embodiment 1
The preparation of the embodiment heat zinc coating plate surface covering liquid: based on parts by weight by water 100, fluorine-containing auxiliary agent 5, corrosion inhibiter
6, silicon-containing material 18, aqueous organic 30 are uniformly mixed under the conditions of stirring at normal temperature, wherein fluorine-containing auxiliary agent is water-base fluorocarbon emulsion
With fluotitanic acid (the two weight ratio is 4:1), corrosion inhibiter is calgon and potassium molybdate (the two weight ratio is 2:1), siliceous object
Matter selects colloidal silicon dioxide, and aqueous organic is aqueous acrylic emulsion；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: above-mentioned coating solution roller coating is coated on hot-galvanized steel band,
Solidification 15s obtains Passivated Hot Galvanizing Plate under 105 DEG C of solidification temperature (measuring solidification temperature using thermometric test paper).
Embodiment 2
The preparation of the embodiment heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Embodiment 3
The preparation of the embodiment heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Embodiment 4
The preparation of the embodiment heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Embodiment 5
The preparation of the embodiment heat zinc coating plate surface covering liquid: except fluorine-containing auxiliary agent be polytetrafluoroethylene (PTFE) wax emulsion, other with
Embodiment 1 is identical；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Embodiment 6
The preparation of the embodiment heat zinc coating plate surface covering liquid: except being ammonium metavanadate, other and 1 phase of embodiment containing corrosion inhibiter
Together；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Embodiment 7
The preparation of the embodiment heat zinc coating plate surface covering liquid: except silicon-containing material selects KH560, other and 1 phase of embodiment
Together；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Embodiment 8
The preparation of the embodiment heat zinc coating plate surface covering liquid: except aqueous organic is waterborne styrene-acrylic emulsion and aqueous poly- ammonia
Ester lotion (the two weight ratio is 3:1), other are same as Example 1；
The preparation of the Passivated Hot Galvanizing Plate of resistance to high humidity environment: same as Example 1.
Comparative example 1
The preparation of the comparative example heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of Passivated Hot Galvanizing Plate: same as Example 1.
Comparative example 2
The preparation of the comparative example heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of Passivated Hot Galvanizing Plate: same as Example 1.
Comparative example 3
The preparation of the comparative example heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of Passivated Hot Galvanizing Plate: same as Example 1.
Comparative example 4
The preparation of the comparative example heat zinc coating plate surface covering liquid: each component content is as shown in table 1, other and 1 phase of embodiment
Together；
The preparation of Passivated Hot Galvanizing Plate: same as Example 1.
The constituent content of heat zinc coating plate surface covering liquid in 1 embodiment of table, comparative example
| Embodiment | Water | Fluorine-containing auxiliary agent | Corrosion inhibiter | Silicon-containing material | Aqueous organic |
| 1 | 100 | 5 | 6 | 18 | 30 |
| 2 | 100 | 2 | 9 | 10 | 40 |
| 3 | 100 | 8 | 3 | 15 | 20 |
| 4 | 100 | 2 | 3 | 15 | 40 |
| 5 | 100 | 5 | 6 | 18 | 30 |
| 6 | 100 | 5 | 6 | 18 | 30 |
| 7 | 100 | 5 | 6 | 18 | 30 |
| 8 | 100 | 5 | 6 | 18 | 30 |
| Comparative example 1 | 100 | 0 | 6 | 18 | 30 |
| Comparative example 2 | 100 | 5 | 0 | 18 | 30 |
| Comparative example 3 | 100 | 5 | 6 | 0 | 30 |
| Comparative example 4 | 100 | 5 | 6 | 18 | 0 |
Performance test
The corrosion resistance for the Passivated Hot Galvanizing plate surface coating that Examples 1 to 8 and comparative example 1~4 are prepared, resistance to height
Moist, heat resistance, water resistance and self-lubrication are tested, and test result is shown in Table 2.
Wherein, corrosion resistance according to method and condition specified in GB/T10125-1997 carry out corrosion test, then according to
The regulation of GB12335-90 is evaluated and (is indicated with the percentage that the corroded area after 72 hours accounts for the gross area) to Corrosion results,
Wherein, corroded area is the smaller the better.
Resistance to height is moist to use damp heat test and cyclic damp heat test, wherein damp heat test be sample humidity be 95%, temperature
120h under the conditions of 50 DEG C of degree measures chromatic aberration using color difference meter, and general value of chromatism is lower than 2, then good for humidity resistance；Alternation
Damp heat test are as follows: by sample in 5 DEG C of 72h arranged below, be then placed within humidity as 72h under the conditions of 95%, 40 DEG C of temperature, use
Color difference meter measures chromatic aberration, and it is then good that general value of chromatism, which is lower than 1,.
Anti-finger printing smears the variation judgement of value of chromatism before and after vaseline according to specimen surface；If the variation of front and back color difference is small
It is then A grades in 2；It is then B grades less than 4 if the variation of front and back color difference is greater than 2；If the variation of front and back color difference is greater than 4, for C
Grade.
Water resistance is to be measured using 100 DEG C of deionized water drops in sample；It is A grades if sample is entirely without water mark；Have light
Micro- water mark is then B grades；Obvious water mark is then C grades.
Self-lubrication determines that wherein coefficient of friction is smaller, then self-lubrication is better according to the coefficient of friction of coating surface.
2 embodiment of table, comparative example Passivated Hot Galvanizing plate surface coating the performance test results
Pass through the comparison of 2 DATA Example 1-8 and comparative example 1-4 of table, it can be seen that Passivated Hot Galvanizing provided by the invention
Plate combines the performances such as moist excellent corrosion resistance, resistance to height, anti-finger printing, water resistance and self-lubrication.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. heat zinc coating plate surface covering liquid, it is characterised in that: the raw material of the coating solution includes 100 weight of water based on parts by weight
Part, fluorine-containing 2~10 parts by weight of auxiliary agent, 1~10 parts by weight of corrosion inhibiter, 10~20 parts by weight of silicon-containing material, aqueous organic 15~
45 parts by weight.
2. heat zinc coating plate surface covering liquid according to claim 1, it is characterised in that: the fluorine-containing auxiliary agent is water-based fluorocarbon
At least one of lotion, polytetrafluoroethylene (PTFE) wax emulsion, fluotitanic acid, prodan.
3. heat zinc coating plate surface covering liquid according to claim 1 or 2, it is characterised in that: the corrosion inhibiter is metavanadic acid
At least one of ammonium, sodium metavanadate, sodium tripolyphosphate, calgon, disodium-hydrogen, sodium molybdate, potassium molybdate.
4. described in any item heat zinc coating plate surface covering liquid according to claim 1~3, it is characterised in that: the silicon-containing material
For at least one of nanoscale colloidal silicon dioxide, sodium metasilicate, silane coupling agent.
5. heat zinc coating plate surface covering liquid according to any one of claims 1 to 4, it is characterised in that: described aqueous organic
Object is aqueous acrylic emulsion, in waterborne styrene-acrylic emulsion, aqueous polyurethane emulsion, waterborne organic silicon resin, aqueous epoxy resins
At least one.
6. the preparation method of heat zinc coating plate surface covering liquid as claimed in any one of claims 1 to 5, it is characterised in that: will contain
Fluorine auxiliary agent, corrosion inhibiter, silicon-containing material, aqueous organic dissolve mixing in water, are uniformly mixing to obtain heat zinc coating plate surface covering
Liquid.
7. the preparation method of resistance to high humidity Passivated Hot Galvanizing Plate, it is characterised in that: by the described in any item hot dips of claim 1~6
Zine plate surface covering liquid is coated in heat zinc coating plate surface, and then baking and curing obtains Passivated Hot Galvanizing Plate.
8. the preparation method of resistance to high humidity Passivated Hot Galvanizing Plate according to claim 7, it is characterised in that: the solidification temperature
80~125 DEG C, 10~60s of curing time.
9. the resistance to high humidity Passivated Hot Galvanizing Plate that preparation method described in claim 7 or 8 is prepared.
10. resistance to high humidity Passivated Hot Galvanizing Plate according to claim 9, it is characterised in that: the passivation plate coating film thickness is
0.8~2.0g/m2。
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| CN110694879A (en) * | 2019-10-23 | 2020-01-17 | 唐山钢铁集团有限责任公司 | Production method of hot-dip galvanized self-lubricating steel plate with excellent comprehensive performance |
| CN110983318A (en) * | 2019-12-17 | 2020-04-10 | 昆明理工大学 | Organic-inorganic environment-friendly composite color passivation solution and preparation method thereof |
| CN111270230A (en) * | 2020-02-21 | 2020-06-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Environment-friendly surface treatment liquid for hot-dip aluminum-zinc plate and preparation method of hot-dip aluminum-zinc passivated plate |
| CN111500098A (en) * | 2020-04-15 | 2020-08-07 | 上海达克罗涂复工业有限公司 | Antifriction coating and preparation method and application thereof |
| CN111850532A (en) * | 2020-07-16 | 2020-10-30 | 武汉迪赛环保新材料股份有限公司 | Chromium-free surface treatment liquid for electro-galvanized steel plate and preparation method thereof |
| CN111876782A (en) * | 2020-07-21 | 2020-11-03 | 福建华杰电气科技有限公司 | Surface treatment liquid |
| CN111893477A (en) * | 2020-07-31 | 2020-11-06 | 阴通明 | Stainless steel workpiece passivation process |
| CN115651435A (en) * | 2022-09-07 | 2023-01-31 | 上海兴赛尔表面材料有限公司 | Fingerprint-resistant liquid for aluminum-zinc-magnesium plated board and preparation method thereof |
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