CN105951150A - Surface treatment process for aluminum plate - Google Patents
Surface treatment process for aluminum plate Download PDFInfo
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- CN105951150A CN105951150A CN201610331630.6A CN201610331630A CN105951150A CN 105951150 A CN105951150 A CN 105951150A CN 201610331630 A CN201610331630 A CN 201610331630A CN 105951150 A CN105951150 A CN 105951150A
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- aluminum plate
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
Abstract
The invention discloses a surface treatment process for an aluminum plate. The surface treatment process comprises the following steps: (1) putting the surface of the aluminum plate in a soaking tank, performing 2 minute soaking treatment by using a soaking agent of 32 DEG C, thoroughly washing the soaked surface of the aluminum plate by using clear water, and then gently wiping the washed surface of the aluminum plate by using clean soft cloth; (2) putting the aluminum plate treated in step (1) in an electrolyte, and performing electrolysis with iron as a cathode and the treated aluminum plate as an anode; (3) cleaning the aluminum plate treated in step (2) by using deionized water of 18 DEG C, and then gently wiping up water stains on the surface of the treated aluminum plate by using the clean soft cloth; (4) putting the aluminum plate treated in step (3) in a passivating solution of 22 DEG C for 82-88 second passivating treatment; (5) thoroughly washing the aluminum plate subjected to the passivating treatment by using deionized water; and (6) spraying paint. In the same using environment, the service life of the aluminum plate subjected to the surface treatment process provided by the invention is 1.2 times longer than that of a common aluminum plate. By adoption of the surface treatment process, the service life of a coating formed by the paint can reach 7-9 years.
Description
Technical field
The present invention relates to surface of aluminum plate process field, particularly relate to a kind of surface of aluminum plate and process technique.
Background technology
Aluminum and aluminium alloy are one of current applications applicable materials quite varied, most economical.World aluminum yield occupies first of non-ferrous metal within 1956, beginning to exceed copper yield always.The yield of current aluminum and consumption (calculating by ton) are only second to steel, become the second largest metal of mankind's application；And the resource of aluminum is the abundantest, according to primary Calculation, the mineral reserve storage capacity of aluminum accounts for the earth's crust and constitutes more than the 8% of material.Aluminum is of many uses, although aluminum surface in placement process also can aoxidize, but its consistency and uniformity are poor, at some special dimensions, need first to carry out surface of aluminum plate Passivation Treatment, then carry out sprayed coating, prevent aluminum from corroding, the consistency of existing deactivating process for the treatment of passivation is the highest, and the thinner thickness of passivation layer, easily come off, in existing aluminium sheet coating, major part also has a certain amount of organic solvent, during high-temperature baking film forming, solvent volatilizees, to environment.Existing aluminium sheet coating does not much reach higher requirement, can not meet the application demand of many occasions.
Summary of the invention
It is an object of the invention to provide a kind of surface of aluminum plate and process technique, be achieved through the following technical solutions:
A kind of surface of aluminum plate processes technique, comprises the following steps:
(1), by surface of aluminum plate put into and soaking compartment uses the soaking agent immersion treatment of 32 DEG C after 2 minutes, use clear water to rinse well, then use clean soft cloth wiping surface of aluminum plate gently；Described soaking agent is made up of following component by weight: Bermuda grass 8, sodium tripolyphosphate 4, ethanol 20, clear water 80, silicic acid 3；Its preparation method is: smashed to pieces by Bermuda grass, puts in the clear water water of 30 weight portions, adds anthraquinone and the sodium carbonate of Bermuda grass weight 1% of Bermuda grass weight 0.1%, after stirring, carrying out the airtight steaming and decocting of water-bath, temperature controls at 88-90 DEG C, time is 30 minutes, it is then cooled to room temperature, filter solid residue, obtain filtrate, gained filtrate is mixed together with sodium tripolyphosphate, ethanol, silicic acid and remaining clear water, stirs, obtain required soak；
(2), putting in electrolyte by the aluminium sheet that step (1) is handled well, using ferrum as negative electrode, aluminium sheet, as anode, is electrolysed, voltage uses 10V, and the temperature of electrolyte controls 30 DEG C, and electrolysis time is 4 minutes, when electrolysis is carried out, aluminium sheet rotates simultaneously, and rotary speed is 30r/min；Described electrolyte is made up of following component by mass percentage: 1.5% sodium bicarbonate, 0.3% sodium tripolyphosphate remaining be water；The PH of electrolyte is maintained between 8.5-9；Aluminum hydroxide film can be formed in surface of aluminum plate by electrolysis, thin film is also dispersed with some apertures, lay initial basis for the passivation of follow-up aluminium sheet, it is possible to increase the degree of follow-up passivation and efficiency, also can improve the consistency of passivating film simultaneously；
(3) aluminium sheet, by step (2) handled well uses 18 DEG C of deionized waters to clean, and then uses clean soft cloth to dry surface of aluminum plate gently water stain；
(4) aluminium sheet, above-mentioned steps handled well uses passivating solution to process the 82-88 second in the passivating solution of 22 DEG C；Described passivating solution is made up of following component by weight: yittrium oxide 0.8 part, SmCl3 6H2O 1 part, copper powder 0.2 part, 1 part of part of sodium silicate, ethane sulfonic acid 2 parts, Ludox 30 parts, epoxy resin 1 part, hydrogen peroxide 10 parts, deionized water 50 parts, DBSA 1 part, sodium alkyl sulfate 0.8 part, auxiliary agent 0.5 part；Described auxiliary agent is made up of following component in percentage terms: 20.5% cyclohexanhexanol phosphate ester, 0.5% sodium chloride, 47% ethanol, 32% hexanediol；The manufacture method of described auxiliary agent is: sodium chloride, cyclohexanhexanol phosphate ester are mixed with ethanol, and control temperature is at 8-10 DEG C, after continuing 40 minutes, dripping hexanediol again, control to drip off at 25 minutes, dropping limit, limit is stirred, mixing speed is 250r/min, finally stands 5-8 minute,；
(5) aluminium sheet, by Passivation Treatment completed uses deionized water rinsing clean, dries at 30 DEG C；
(6), by coating being coated on above-mentioned aluminium sheet, form aluminium sheet coating by baking-curing, baking condition is furnace temperature: 210 DEG C, corresponding aluminium sheet plate temperature: 168 DEG C, baking time: 6.25 seconds；Described coating is made up of following component by weight: methyl methacrylate 17 parts, Polyethylene Glycol 19 parts, ethyl acrylate 22 parts, methyl silicon resin 30 parts, sodium tripolyphosphate 1 part, n-butyl alcohol 4 parts, ethoxylated trimethylolpropane triacrylate 1 part, 3 parts of Colophonium, nano titanium oxide 2 parts, 2 parts of itaconic acid, fumaric acid 1 part, emulsifying agent 1 part；The granularity of nano titanium oxide is 45-48nm；Described emulsifying agent is glyceryl monostearate.
Further, in described step (6), nano titanium oxide is through processing: first presses mass ratio mixing stearic acid and the toluene of 7.54:100, is then added to into by nano titanium oxide, be first heated to 42 DEG C, it is incubated 10 minutes, it is again heated to 68 DEG C, after being incubated 15 minutes, is cooled to room temperature, filter out nano titanium oxide, washing, dries,.
Further, in described step (6), ethyl acrylate, ethoxylated trimethylolpropane triacrylate process through premix with methyl silicon resin: ethyl acrylate, ethoxylated trimethylolpropane triacrylate are mixed with methyl silicon resin, when being heated to 55 DEG C, add again mixture weight 1.05% attapulgite, after mix homogeneously, temperature is reduced to 42 DEG C, is ground 2 hours.
The invention has the beneficial effects as follows: by the soaking agent of putting in the present invention by aluminium sheet soaks the foreign body that can remove surface of aluminum plate, silicic acid is added by coordinating, its adsorptivity can improve the degree removing surface of aluminum plate foreign body, by adding sodium tripolyphosphate in soaking agent, utilize the bad film property of sodium tripolyphosphate and good initial dispersion, other composition can be reduced adsorb in surface of aluminum plate, cause the problem needing after-treatment, the uniformity when lifting of other composition is follow-up to be passivated and the consistency of passivation layer can be coordinated again simultaneously, promote the caking property with coating when aluminium sheet sprays after being passivated, and after processing, the thickness of passivation layer can be increased, it is greatly promoted the flatness of surface of aluminum plate after the Corrosion Protection of aluminium sheet and passivation.
The passivating solution prepared by yittrium oxide, SmCl3 6H2O, copper powder; after Passivation Treatment aluminium sheet; the passivating film defining continuous print fine and close has high stability and corrosion resisting property; antioxygenic property is strong; the film property of passivating film and the seriality of film can be improved greatly by interpolation ethane sulfonic acid, sodium alkyl sulfate, epoxy resin; seriality and the adhesion property of passivating film of passivating film is can further improve by the cooperation of Ludox and DBSA; can effectively protect aluminium sheet material, it is to avoid corroded by the external world.The life-span of the passivating film formed than general Passivation Treatment under same environment through the surface of aluminum plate passivating film of Passivation Treatment of the present invention is long 1.5 times, after transpassivation, the salt spray resistance of aluminium sheet is more than 120 hours (6.8%NaCl solution is sprayed continuously, temperature 35 DEG C).
Sodium tripolyphosphate is as little dispersal agent molecule, although having low cost and good initial dispersion effect, but its shortcoming is also apparent from, it is unfavorable for that good film forming and long dispersion stability are poor, the present invention coordinates sodium tripolyphosphate to solve these problems by adding Colophonium with treated titanium dioxide so that the coating in step of the present invention (6) has more preferable film property and long dispersion stability.By the coordinated effect of itaconic acid and fumaric acid, the wearability of coating, n-butyl alcohol and ethoxylated trimethylolpropane triacrylate coordinated effect can be improved further, can help to improve the uniformity of coating；Further, the cooperation of dosing weight part of these compositions of the present invention, determine through lot of experiments, it is possible to the coating that coating is formed is more uniform, wear-resisting and compactness is high.
Compared to general aluminium sheet, using under same environment, the aluminium sheet life-span processed through surface of the present invention wants high 1.2 times.The coating life that coating of the present invention is formed is up to 7-9.
Detailed description of the invention
A kind of surface of aluminum plate processes technique, comprises the following steps:
(1), by surface of aluminum plate put into and soaking compartment uses the soaking agent immersion treatment of 32 DEG C after 2 minutes, use clear water to rinse well, then use clean soft cloth wiping surface of aluminum plate gently；Described soaking agent is made up of following component by weight: Bermuda grass 8, sodium tripolyphosphate 4, ethanol 20, clear water 80, silicic acid 3；Its preparation method is: smashed to pieces by Bermuda grass, puts in the clear water water of 30 weight portions, adds anthraquinone and the sodium carbonate of Bermuda grass weight 1% of Bermuda grass weight 0.1%, after stirring, carrying out the airtight steaming and decocting of water-bath, temperature controls at 88-90 DEG C, time is 30 minutes, it is then cooled to room temperature, filter solid residue, obtain filtrate, gained filtrate is mixed together with sodium tripolyphosphate, ethanol, silicic acid and remaining clear water, stirs, obtain required soak；
(2), putting in electrolyte by the aluminium sheet that step (1) is handled well, using ferrum as negative electrode, aluminium sheet, as anode, is electrolysed, voltage uses 10V, and the temperature of electrolyte controls 30 DEG C, and electrolysis time is 4 minutes, when electrolysis is carried out, aluminium sheet rotates simultaneously, and rotary speed is 30r/min；Described electrolyte is made up of following component by mass percentage: 1.5% sodium bicarbonate, 0.3% sodium tripolyphosphate remaining be water；The PH of electrolyte is maintained between 8.5-9；Aluminum hydroxide film can be formed in surface of aluminum plate by electrolysis, thin film is also dispersed with some apertures, lay initial basis for the passivation of follow-up aluminium sheet, it is possible to increase the degree of follow-up passivation and efficiency, also can improve the consistency of passivating film simultaneously；
(3) aluminium sheet, by step (2) handled well uses 18 DEG C of deionized waters to clean, and then uses clean soft cloth to dry surface of aluminum plate gently water stain；
(4) aluminium sheet, above-mentioned steps handled well uses passivating solution to process the 82-88 second in the passivating solution of 22 DEG C；Described passivating solution is made up of following component by weight: yittrium oxide 0.8 part, SmCl3 6H2O 1 part, copper powder 0.2 part, 1 part of part of sodium silicate, ethane sulfonic acid 2 parts, Ludox 30 parts, epoxy resin 1 part, hydrogen peroxide 10 parts, deionized water 50 parts, DBSA 1 part, sodium alkyl sulfate 0.8 part, auxiliary agent 0.5 part；Described auxiliary agent is made up of following component in percentage terms: 20.5% cyclohexanhexanol phosphate ester, 0.5% sodium chloride, 47% ethanol, 32% hexanediol；The manufacture method of described auxiliary agent is: sodium chloride, cyclohexanhexanol phosphate ester are mixed with ethanol, and control temperature is at 8-10 DEG C, after continuing 40 minutes, dripping hexanediol again, control to drip off at 25 minutes, dropping limit, limit is stirred, mixing speed is 250r/min, finally stands 5-8 minute,；
(5) aluminium sheet, by Passivation Treatment completed uses deionized water rinsing clean, dries at 30 DEG C；
(6), by coating being coated on above-mentioned aluminium sheet, form aluminium sheet coating by baking-curing, baking condition is furnace temperature: 210 DEG C, corresponding aluminium sheet plate temperature: 168 DEG C, baking time: 6.25 seconds；Described coating is made up of following component by weight: methyl methacrylate 17 parts, Polyethylene Glycol 19 parts, ethyl acrylate 22 parts, methyl silicon resin 30 parts, sodium tripolyphosphate 1 part, n-butyl alcohol 4 parts, ethoxylated trimethylolpropane triacrylate 1 part, 3 parts of Colophonium, nano titanium oxide 2 parts, 2 parts of itaconic acid, fumaric acid 1 part, emulsifying agent 1 part；The granularity of nano titanium oxide is 45-48nm；Described emulsifying agent is glyceryl monostearate.
Further, in described step (6), nano titanium oxide is through processing: first presses mass ratio mixing stearic acid and the toluene of 7.54:100, is then added to into by nano titanium oxide, be first heated to 42 DEG C, it is incubated 10 minutes, it is again heated to 68 DEG C, after being incubated 15 minutes, is cooled to room temperature, filter out nano titanium oxide, washing, dries,.
Further, in described step (6), ethyl acrylate, ethoxylated trimethylolpropane triacrylate process through premix with methyl silicon resin: ethyl acrylate, ethoxylated trimethylolpropane triacrylate are mixed with methyl silicon resin, when being heated to 55 DEG C, add again mixture weight 1.05% attapulgite, after mix homogeneously, temperature is reduced to 42 DEG C, is ground 2 hours.
Claims (3)
1. a surface of aluminum plate processes technique, it is characterised in that comprise the following steps:
(1), by surface of aluminum plate put into and soaking compartment uses the soaking agent immersion treatment of 32 DEG C after 2 minutes, use clear water to rinse well, then use clean soft cloth wiping surface of aluminum plate gently；Described soaking agent is made up of following component by weight: Bermuda grass 8, sodium tripolyphosphate 4, ethanol 20, clear water 80, silicic acid 3；Its preparation method is: smashed to pieces by Bermuda grass, puts in the clear water water of 30 weight portions, adds anthraquinone and the sodium carbonate of Bermuda grass weight 1% of Bermuda grass weight 0.1%, after stirring, carrying out the airtight steaming and decocting of water-bath, temperature controls at 88-90 DEG C, time is 30 minutes, it is then cooled to room temperature, filter solid residue, obtain filtrate, gained filtrate is mixed together with sodium tripolyphosphate, ethanol, silicic acid and remaining clear water, stirs, obtain required soak；
(2), putting in electrolyte by the aluminium sheet that step (1) is handled well, using ferrum as negative electrode, aluminium sheet, as anode, is electrolysed, voltage uses 10V, and the temperature of electrolyte controls 30 DEG C, and electrolysis time is 4 minutes, when electrolysis is carried out, aluminium sheet rotates simultaneously, and rotary speed is 30r/min；Described electrolyte is made up of following component by mass percentage: 1.5% sodium bicarbonate, 0.3% sodium tripolyphosphate remaining be water；The PH of electrolyte is maintained between 8.5-9；
(3) aluminium sheet, by step (2) handled well uses 18 DEG C of deionized waters to clean, and then uses clean soft cloth to dry surface of aluminum plate gently water stain；
(4) aluminium sheet, above-mentioned steps handled well uses passivating solution to process the 82-88 second in the passivating solution of 22 DEG C；Described passivating solution is made up of following component by weight: yittrium oxide 0.8 part, SmCl3 6H2O 1 part, copper powder 0.2 part, 1 part of part of sodium silicate, ethane sulfonic acid 2 parts, Ludox 30 parts, epoxy resin 1 part, hydrogen peroxide 10 parts, deionized water 50 parts, DBSA 1 part, sodium alkyl sulfate 0.8 part, auxiliary agent 0.5 part；Described auxiliary agent is made up of following component in percentage terms: 20.5% cyclohexanhexanol phosphate ester, 0.5% sodium chloride, 47% ethanol, 32% hexanediol；The manufacture method of described auxiliary agent is: sodium chloride, cyclohexanhexanol phosphate ester are mixed with ethanol, and control temperature is at 8-10 DEG C, after continuing 40 minutes, dripping hexanediol again, control to drip off at 25 minutes, dropping limit, limit is stirred, mixing speed is 250r/min, finally stands 5-8 minute,；
(5) aluminium sheet, by Passivation Treatment completed uses deionized water rinsing clean, dries at 30 DEG C；
(6), by coating being coated on above-mentioned aluminium sheet, form aluminium sheet coating by baking-curing, baking condition is furnace temperature: 210 DEG C, corresponding aluminium sheet plate temperature: 168 DEG C, baking time: 6.25 seconds；Described coating is made up of following component by weight: methyl methacrylate 17 parts, Polyethylene Glycol 19 parts, ethyl acrylate 22 parts, methyl silicon resin 30 parts, sodium tripolyphosphate 1 part, n-butyl alcohol 4 parts, ethoxylated trimethylolpropane triacrylate 1 part, 3 parts of Colophonium, nano titanium oxide 2 parts, 2 parts of itaconic acid, fumaric acid 1 part, emulsifying agent 1 part；The granularity of nano titanium oxide is 45-48nm；Described emulsifying agent is glyceryl monostearate.
A kind of aluminium sheet coating the most according to claim 1, it is characterised in that in described step (6), nano titanium oxide is through processing: first press mass ratio mixing stearic acid and the toluene of 7.54:100, then nano titanium oxide is added to into, first it is heated to 42 DEG C, is incubated 10 minutes, is again heated to 68 DEG C, after being incubated 15 minutes, it is cooled to room temperature, filters out nano titanium oxide, washing, dry,.
A kind of aluminium sheet coating the most according to claim 1, it is characterized in that, in described step (6), ethyl acrylate, ethoxylated trimethylolpropane triacrylate process through premix with methyl silicon resin: ethyl acrylate, ethoxylated trimethylolpropane triacrylate are mixed with methyl silicon resin, when being heated to 55 DEG C, add again mixture weight 1.05% attapulgite, after mix homogeneously, temperature is reduced to 42 DEG C, is ground 2 hours.
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| CN201610331630.6A CN105951150A (en) | 2016-05-18 | 2016-05-18 | Surface treatment process for aluminum plate |
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| CN107475764A (en) * | 2017-08-22 | 2017-12-15 | 金倍励金属（苏州）有限公司 | The surface treatment method of aluminium alloy guipure |
| CN108396356A (en) * | 2018-02-08 | 2018-08-14 | 浙江新祥铝业股份有限公司 | A kind of preparation process of the coloured electrophoresis aluminium sheet of wire drawing |
| CN108977865A (en) * | 2018-07-19 | 2018-12-11 | 中国人民解放军92228部队 | A kind of preparation method of 5XXX aluminium and the high anti-corrosion single fine and close differential arc oxidation film layer of aluminum alloy surface |
| CN110249078A (en) * | 2017-02-20 | 2019-09-17 | 江门市蓬江区善长五金制品有限公司 | A kind of surface treating method for aluminum product |
| CN113020921A (en) * | 2021-04-19 | 2021-06-25 | 惠州市乐达智能自动化有限公司 | CNC highlight machining process |
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| CN101597758A (en) * | 2009-06-26 | 2009-12-09 | 袁兴 | Low chromium anticorrosive chemical conversion treating fluid on surface of constructive aluminium profile and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110249078A (en) * | 2017-02-20 | 2019-09-17 | 江门市蓬江区善长五金制品有限公司 | A kind of surface treating method for aluminum product |
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| CN108396356A (en) * | 2018-02-08 | 2018-08-14 | 浙江新祥铝业股份有限公司 | A kind of preparation process of the coloured electrophoresis aluminium sheet of wire drawing |
| CN108977865A (en) * | 2018-07-19 | 2018-12-11 | 中国人民解放军92228部队 | A kind of preparation method of 5XXX aluminium and the high anti-corrosion single fine and close differential arc oxidation film layer of aluminum alloy surface |
| CN108977865B (en) * | 2018-07-19 | 2021-01-05 | 中国人民解放军92228部队 | Preparation method of 5XXX aluminum and aluminum alloy surface high-corrosion-resistance single-compact micro-arc oxidation film layer |
| CN113020921A (en) * | 2021-04-19 | 2021-06-25 | 惠州市乐达智能自动化有限公司 | CNC highlight machining process |
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Application publication date: 20160921 |