CN105349976B - A kind of surface of aluminum plate handling process - Google Patents
A kind of surface of aluminum plate handling process Download PDFInfo
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- CN105349976B CN105349976B CN201510747993.3A CN201510747993A CN105349976B CN 105349976 B CN105349976 B CN 105349976B CN 201510747993 A CN201510747993 A CN 201510747993A CN 105349976 B CN105349976 B CN 105349976B
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- Prior art keywords
- aluminum plate
- aluminium sheet
- parts
- passivation
- treatment
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 36
- 238000002161 passivation Methods 0.000 claims abstract description 23
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003973 paint Substances 0.000 claims abstract description 20
- 229910001923 silver oxide Inorganic materials 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 10
- 239000003350 kerosene Substances 0.000 claims abstract description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 22
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 238000007654 immersion Methods 0.000 claims description 8
- 230000000415 inactivating effect Effects 0.000 claims description 8
- 230000037452 priming Effects 0.000 claims description 8
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 8
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 4
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000007592 spray painting technique Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000001261 hydroxy acids Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000108 silver(I,III) oxide Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
-
- 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
- C23C22/24—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 hexavalent chromium compounds
-
- 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
- C23C22/78—Pretreatment of the material to be coated
-
- 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
- C23C22/82—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to a kind of surface of aluminum plate handling process, comprise the following steps：（1）, aluminium sheet cleaned；（2）, aluminium sheet Passivation Treatment；（3）, spray-applied primer；（4）, spray paint；The method of the present invention is when handling aluminium sheet, first wiped after cleaning using silver oxide and kerosene, the foreign matter of surface of aluminum plate can be removed, the consistency of uniformity and passivation layer when and can enough lifts follow-up passivation, and after handling, the thickness of passivation layer can be increased, greatly promote the Corrosion Protection of aluminium sheet and the flatness of surface of aluminum plate after passivation；Spray paint again after passivation, the anti-corrosive properties of aluminium are further lifted, its aesthetic property can also be lifted, handled before passivation using silver oxide and kerosene, the uniformity of spray painting and the fastness of bonding can be lifted.
Description
Technical field
The invention belongs to field of metal surface treatment, and in particular to a kind of surface of aluminum plate handling process.
Background technology
Aluminium and aluminium alloy are that current applications are quite varied, one of most economical applicable material.World aluminum yield is from 1956
Year begins to exceed copper yield and occupied always first of non-ferrous metal.The yield and dosage of current aluminium（Calculated by ton）Steel are only second to, into
For the second largest metal of mankind's application；And the resource very abundant of aluminium, according to primary Calculation, the mineral reserve storage capacity of aluminium accounts for the earth's crust
Form more than the 8% of material.Aluminium is widely used, now needs to be surface-treated when in use.
The content of the invention
It is an object of the invention to provide a kind of surface of aluminum plate handling process, processing, the lifting such as it is passivated to surface of aluminum plate
The antiseptic property of aluminium sheet.
A kind of surface of aluminum plate handling process, comprises the following steps：
（1）, by surface of aluminum plate be put into soaking compartment using 40 DEG C, mass fraction be 3-4% sodium bicarbonate solution immersion at
60-72s is managed, then wipes surface of aluminum plate using soft cloth, and rinse well using clear water；
（2）, by step（1）The surface of aluminum plate handled well is dried at a temperature of 30-40 DEG C, is then uniformly sprayed in surface of aluminum plate
Spill silver oxide powder, fountain height 55-62g/m2, then using being moistened with the soft cloth of kerosene to being sprayed with the aluminium sheet of silver oxide powder
Wiped, pressure during wiping is 0.35-0.42MPa, and the wiping time is 5-8min；
（3）, by step（2）At the sodium bicarbonate solution immersion that the aluminium sheet handled well uses 28 DEG C, mass fraction is 3-4%
3-5min is managed, is then cleaned using deionized water, deionized water temperature is 22-28 DEG C；
(4), the aluminium sheet for handling above-mentioned steps well uses inactivating treatment liquid in 25-32 DEG C of Passivation Treatment 25-33min；
（5）, by Passivation Treatment complete aluminium sheet using deionized water rinsing it is clean, dried at 35-40 DEG C；
（6）, surface of aluminum plate sprayed using epoxy zinc chromate primer, during spraying, priming paint:Solidifying priming paint agent：The weight of diluent
Amount ratio is 7：2：0.2；Dried after spraying at 35 DEG C；
(7) aluminium sheet, is handled into 10-15min at 50-55 DEG C, then spray paint.
Preferably, the inactivating treatment liquid includes treatment fluid A and treatment fluid B, silane coupler mass concentration in treatment fluid A
It is water for 1.2-1.5%, mixed amine mass concentration 4.3-5.8%, dimethylformamide mass concentration 1.5-3% surpluses；Treatment fluid B
The mass concentration of middle sodium dichromate is 8-15%, and surplus is water, and regulation pH is 4.5-6；In use, first use treatment fluid A processing
10-15min, then using treatment fluid B processing.
Preferably, the finish paint is made up of following component by weight：Urethane acrylate 25-30 parts, hydroxy
Acid resin 15-22 parts, aqueous epoxy resins 12-15 parts, ethylene glycol ether acetate 15-20 parts, diluent 50-65 parts, levelling
Agent 1-2 parts, curing agent 1-2 parts, defoamer 0.5-1 parts.The paint spraying of the formula through silver peroxide with handling post-passivation
Caking property is more preferable on aluminium sheet, can prevent from painting bubble, come off.
The diluent, levelling agent, curing agent and defoamer can use reagent commonly used in the art.
A small amount of conventional dissolving adjuvants can be used when in the present invention prepared by reagent, cosolvent usage amount is less than 5%.
Beneficial effects of the present invention：The present invention method when handling aluminium sheet, first after cleaning using silver oxide with
Kerosene is wiped, and can remove the foreign matter of surface of aluminum plate, the cause of uniformity and passivation layer when and can enough lifts follow-up passivation
Density, and after handling, the thickness of passivation layer can be increased, greatly promote aluminium sheet Corrosion Protection and passivation after surface of aluminum plate
Flatness；Spray paint again after passivation, the anti-corrosive properties of aluminium are further lifted, its aesthetic property can also be lifted, be passivated
It is preceding to be handled using silver oxide and kerosene, the uniformity of spray painting and the fastness of bonding can be lifted.
Temperature and time control in the present invention in Passivation Treatment step, has very big to the Passivation Treatment effect of aluminium sheet
Influenceing, the present invention also demonstrates different temperatures and time control, in the case where changing temperature and time, carries out salt spray test,
As a result after display condition changes, the salt spray test time shortens in the range of 100-263h, illustrates that the condition control of the present invention produces
Fabulous effect.
Embodiment
Embodiment 1
A kind of surface of aluminum plate handling process, comprises the following steps：
（1）, by surface of aluminum plate be put into soaking compartment using 40 DEG C, mass fraction be 3.5% sodium bicarbonate solution immersion at
65s is managed, then wipes surface of aluminum plate using soft cloth, and rinse well using clear water；
（2）, by step（1）The surface of aluminum plate handled well is dried at a temperature of 32 DEG C, is then uniformly sprayed in surface of aluminum plate
Silver oxide powder, fountain height 58g/m2, then the aluminium sheet for being sprayed with silver oxide powder is carried out using the soft cloth for being moistened with kerosene
Wipe, pressure during wiping is 0.4MPa, and the wiping time is 6min；
（3）, by step（2）At the sodium bicarbonate solution immersion that the aluminium sheet handled well uses 28 DEG C, mass fraction is 3-4%
3min is managed, is then cleaned using deionized water, deionized water temperature is 25 DEG C；
(4), the aluminium sheet for handling above-mentioned steps well uses inactivating treatment liquid in 28 DEG C of Passivation Treatment 28min；
（5）, by Passivation Treatment complete aluminium sheet using deionized water rinsing it is clean, dried at 36 DEG C；
（6）, surface of aluminum plate sprayed using epoxy zinc chromate primer, during spraying, priming paint:Solidifying priming paint agent：The weight of diluent
Amount ratio is 7：2：0.2；Dried after spraying at 35 DEG C；
(7) aluminium sheet, is handled into 10-15min at 50-55 DEG C, then spray paint.
The inactivating treatment liquid includes treatment fluid A and treatment fluid B, in treatment fluid A silane coupler mass concentration be 1.5%,
Mixed amine mass concentration 4.8%, the surplus of dimethylformamide mass concentration 2% are water；The mass concentration of sodium dichromate in treatment fluid B
For 12%, surplus is water, and regulation pH is 6；In use, first using treatment fluid A processing 15min, then using treatment fluid B processing.
The finish paint is made up of following component by weight：28 parts of urethane acrylate, 20 parts of Hydroxylated acrylic resin,
12 parts of aqueous epoxy resins, 16 parts of ethylene glycol ether acetate, 55 parts of diluent, 1.2 parts of levelling agent, 1.5 parts of curing agent, defoaming
0.75 part of agent.
Embodiment 2
A kind of surface of aluminum plate handling process, comprises the following steps：
（1）, by surface of aluminum plate be put into soaking compartment using 40 DEG C, mass fraction be 3.5% sodium bicarbonate solution immersion at
64s is managed, then wipes surface of aluminum plate using soft cloth, and rinse well using clear water；
（2）, by step（1）The surface of aluminum plate handled well is dried at a temperature of 32 DEG C, is then uniformly sprayed in surface of aluminum plate
Silver oxide powder, fountain height 59g/m2, then the aluminium sheet for being sprayed with silver oxide powder is carried out using the soft cloth for being moistened with kerosene
Wipe, pressure during wiping is 0.4MPa, and the wiping time is 7min；
（3）, by step（2）The aluminium sheet handled well uses 28 DEG C, the sodium bicarbonate solution immersion treatment that mass fraction is 4%
3min, then cleaned using deionized water, deionized water temperature is 26 DEG C；
(4), the aluminium sheet for handling above-mentioned steps well uses inactivating treatment liquid in 28 DEG C of Passivation Treatment 30min；
（5）, by Passivation Treatment complete aluminium sheet using deionized water rinsing it is clean, dried at 36 DEG C；
（6）, surface of aluminum plate sprayed using epoxy zinc chromate primer, during spraying, priming paint:Solidifying priming paint agent：The weight of diluent
Amount ratio is 7：2：0.2；Dried after spraying at 35 DEG C；
(7) aluminium sheet, is handled into 10-15min at 50-55 DEG C, then spray paint.
Preferably, the inactivating treatment liquid includes treatment fluid A and treatment fluid B, silane coupler mass concentration in treatment fluid A
It is water for 1.5%, mixed amine mass concentration 5%, the surplus of dimethylformamide mass concentration 1.8%；Sodium dichromate in treatment fluid B
Mass concentration is 12%, and surplus is water, and regulation pH is 5.5；In use, first using treatment fluid A processing 13min, then using processing
Liquid B processing.
The finish paint is made up of following component by weight：30 parts of urethane acrylate, 20 parts of Hydroxylated acrylic resin,
14 parts of aqueous epoxy resins, 18 parts of ethylene glycol ether acetate, 60 parts of diluent, 1.5 parts of levelling agent, 1.6 parts of curing agent, defoaming
0.8 part of agent.
Claims (3)
1. a kind of surface of aluminum plate handling process, it is characterised in that comprise the following steps：
（1）, by surface of aluminum plate be put into soaking compartment using 40 DEG C, mass fraction be 3-4% sodium bicarbonate solution immersion treatment
60-72s, surface of aluminum plate then is wiped using soft cloth, and rinsed well using clear water；
（2）, by step（1）The surface of aluminum plate handled well is dried at a temperature of 30-40 DEG C, then uniformly sprays oxygen in surface of aluminum plate
Change silver powder, fountain height 55-62g/m2, then the aluminium sheet for being sprayed with silver oxide powder is carried out using the soft cloth for being moistened with kerosene
Wipe, pressure during wiping is 0.35-0.42MPa, and the wiping time is 5-8min；
（3）, by step（2）The aluminium sheet handled well uses 28 DEG C, the sodium bicarbonate solution immersion treatment 3- that mass fraction is 3-4%
5min, then cleaned using deionized water, deionized water temperature is 22-28 DEG C；
(4), the aluminium sheet for handling above-mentioned steps well uses inactivating treatment liquid in 25-32 DEG C of Passivation Treatment 25-33min；
（5）, by Passivation Treatment complete aluminium sheet using deionized water rinsing it is clean, dried at 35-40 DEG C；
（6）, surface of aluminum plate sprayed using epoxy zinc chromate primer, during spraying, priming paint:Solidifying priming paint agent：The weight ratio of diluent
Example is 7：2：0.2；Dried after spraying at 35 DEG C；
(7) aluminium sheet, is handled into 10-15min at 50-55 DEG C, then spray paint.
2. a kind of surface of aluminum plate handling process according to claim 1, it is characterised in that the inactivating treatment liquid includes place
Manage liquid A and treatment fluid B, in treatment fluid A silane coupler mass concentration be 1.2-1.5%, mixed amine mass concentration 4.3-5.8%,
Dimethylformamide mass concentration 1.5-3%, surplus are water；The mass concentration of sodium dichromate is 8-15% in treatment fluid B, and surplus is
Water, regulation pH are 4.5-6；In use, first using treatment fluid A processing 10-15min, then using treatment fluid B processing.
3. a kind of surface of aluminum plate handling process according to claim 1 or 2, it is characterised in that the finish paint is by weight
It is made up of following component：Urethane acrylate 25-30 parts, Hydroxylated acrylic resin 15-22 parts, aqueous epoxy resins 12-15
Part, ethylene glycol ether acetate 15-20 parts, diluent 50-65 parts, levelling agent 1-2 parts, curing agent 1-2 parts, defoamer 0.5-1
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106086844A (en) * | 2016-06-18 | 2016-11-09 | 安徽昊博健身器材有限公司 | A kind of surface treatment method of aluminum |
| CN106048628A (en) * | 2016-06-18 | 2016-10-26 | 安徽昊博健身器材有限公司 | Surface treatment method for aluminum alloy fastener |
| CN106086845A (en) * | 2016-06-18 | 2016-11-09 | 安徽昊博健身器材有限公司 | A kind of surface treatment method of 4A01 aluminium alloy |
| CN108103492A (en) * | 2017-12-29 | 2018-06-01 | 重庆全茂合渝科技有限公司 | A kind of clutch of motorcycle gear shift arm Anticorrosion measure |
| CN108480169A (en) * | 2018-04-26 | 2018-09-04 | 宁夏坚盾幕墙工程有限公司 | A kind of process of surface treatment of aluminum veneer |
| CN108816708A (en) * | 2018-07-06 | 2018-11-16 | 嘉兴市皇能厨卫科技有限公司 | A kind of process of surface treatment of aluminium sheet |
| CN111013988A (en) * | 2019-12-20 | 2020-04-17 | 江苏佰大铝业科技有限公司 | Surface treatment process of aluminum veneer for curtain wall |
| CN112246570A (en) * | 2020-10-22 | 2021-01-22 | 海南博展实业有限公司 | Surface waterproof treatment method for thin aluminum plate |
| CN112281197A (en) * | 2020-11-03 | 2021-01-29 | 湖南昕泰装饰材料有限公司 | Method for manufacturing surface-treated aluminum material |
| CN113198712A (en) * | 2021-04-19 | 2021-08-03 | 江苏安工幕墙新材料有限公司 | Paint-dropping-preventing aluminum plate surface spraying process |
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