CN110230083A - A kind of aluminium and aluminium alloy anode oxide hole sealing agent and its application - Google Patents
A kind of aluminium and aluminium alloy anode oxide hole sealing agent and its application Download PDFInfo
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- CN110230083A CN110230083A CN201910616664.3A CN201910616664A CN110230083A CN 110230083 A CN110230083 A CN 110230083A CN 201910616664 A CN201910616664 A CN 201910616664A CN 110230083 A CN110230083 A CN 110230083A
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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
- C25D11/18—After-treatment, e.g. pore-sealing
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Abstract
The present invention provides a kind of aluminium and aluminium alloy anode oxide hole sealing agents, by densimeter, including following components: 1~20g/L of main salt；0~15g/L of complexing agent；0~15g/L of corrosion inhibiter；Press down 0~10g/L of grey agent；One 0.1~10g/L of additive；2 0.1~5g/L of additive；Surplus is deionized water；Additive one is one of sodium molybdate, sodium tungstate, potassium fluorozirconate, potassium fluotitanate, cadmium sulfate, scandium sulfate, yttrium acetate or a variety of；Additive two is one of polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene carboxylate, alkyl glycosides, polyoxyethylene ether g-PEO ether, alkyl phenol polyoxyethylene ether, γ-aminopropyl triethoxysilane, dimethyl silicone polymer or a variety of.The present invention is not nickeliferous, and sealing of hole osmotic effect is good, and sealing of hole workpiece weightlessness is low, pad pasting non cohesive gel, and the pH range that works is wide, facilitates worker operation.
Description
Technical field
The present invention relates to alumilite process hole sealing technology fields, more particularly to a kind of aluminium and aluminium alloy anode oxide sealing of hole
Agent and its application.
Background technique
Aluminium alloy has light weight, intensity relatively high, and near or above high-quality steel, plasticity is good, can with silicon, iron, copper, manganese,
It the advantages that elements profile alloy such as magnesium, chromium, zinc, titanium is suitble to be processed into various profiles, and corrosion resistance is strong, thermal conductivity is good, is navigating
Sky, automobile, machine-building, is widely applied in civilian industry space flight.Al-alloy products have a disadvantage, and weatherability is poor, are easy quilt
Corrosion.
For the corrosion for avoiding aluminum profile, it is necessary to handle the surface of aluminium and aluminium alloy.Currently, mainly using anodic oxygen
Change processing, anodized are so that metal is generated oxidation film by applying electric field, and oxidation film layer is porous and has strongerization
Activity is learned, aluminium material oxidation film is made of the unformed aluminium oxide in a large amount of gaps, and hole generally extends to the boundary of oxide and metal
Near face, the region around a hole forms a structure cell.In anodizing process barrier layer formation and dissolution at the same occur,
And keep certain thickness constant, with the progress of oxidation process, the depth in hole increases, need to be into after anodized completion
The surface treatment of row sealing of hole.The aluminium of this method processing improves its weatherability in which can dramatically, improve aluminium and its alloy surface hardness,
Wear and corrosion resistance.Appearance is more uniform, can carry out the working process of multiple color, and aoxidize according to different requirements
The thickness of film can require to be adjusted according to different process, and oxide layer is not easy to be destroyed easily, can satisfy technique requirement
Higher aluminum profile production.
With the development of industrialized production, the development of aluminium and aluminium alloy anode oxide film technology also mentions sealing quality
Higher requirement is gone out.Currently, showing according to the investigation in industrial processes, the nickeliferous envelope of most of market share is occupied before
Hole agent will be withdrawn from the market due to environmental issue, and losing without there is detection sealing of hole in nickel hole sealing technology in industrial production at present
Weight is high, does not have the problem of anti-mucosal function, influences sealing of hole effect.
Summary of the invention
In view of the above situation, the aluminium and aluminium alloy anode oxide that the present invention provides low weightless, the anti-stick film of one kind are without nickel sealing of hole
Agent.
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
Wherein, the additive one is sodium molybdate, sodium tungstate, potassium fluorozirconate, potassium fluotitanate, cadmium sulfate, scandium sulfate, acetic acid
One of yttrium is a variety of；
The additive two is polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitol acid anhydride list palmitinic acid
Ester, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene carboxylate, alkane
Base glucosides, polyoxyethylene ether g-PEO ether, alkyl phenol polyoxyethylene ether, γ-aminopropyl triethoxysilane, poly- two
One of methylsiloxane is a variety of.
Wherein, the main salt is one of rubidium chloride, lithium sulfate, zinc chloride, lithium molybdate, zinc fluoride or a variety of.
Wherein, the complexing agent is EDTA-2Na, glucitol, sodium alginate, sodium lactate, natrium malicum, polyacrylic acid
One of sodium, diethylenetriamine pentacarboxylic acid salt, polyvinylpyrrolidone k30 or a variety of.
Wherein, the corrosion inhibiter is silicate, Quadrafos, sodium vanadate, sodium tetraborate, sodium benzoate, sulfydryl benzo thiophene
One of azoles, cetylamine are a variety of.
Wherein, the grey agent of the suppression is polyethylene glycol, maleic anhydride, maleic acrylic copolymer, sulfosalicylic acid, dextrin
One of or it is a variety of.
The aluminium and aluminium alloy anode oxide hole sealing agent provided according to the present invention, after additive one can effectively reduce sealing of hole
Weightlessness, can reach the standard of nickeliferous hole sealing agent, 30 or less be up to state standards；After additive two effectively can solve pad pasting
The phenomenon that mucoadhesive.The aluminium and aluminium alloy anode oxide hole sealing agent, solution system are stablized, and sealing of hole osmotic effect is good, sealing of hole film
Densification, sealing of hole workpiece weightlessness is low, pad pasting non cohesive gel, and the pH range that works is wide, is more convenient worker operation, workpiece surface light after sealing of hole
Good brightness does not play ash, and oil rub resistance ability is strong, effectively increases the intensity, hardness and corrosion resistance of workpiece.It is not nickeliferous in hole sealing agent
With the elements such as chromium, safety and environmental protection is pollution-free to operating environment, will not insulting health.In addition, the hole sealing agent price is low
Honest and clean, energy consumption is smaller, can satisfy the more demanding aluminum profile production of technique, is suitable for industrialized production.
The present invention also provides the application of above-mentioned aluminium and aluminium alloy anode oxide hole sealing agent, the aluminium and aluminum alloy anode oxygen
That changes hole sealing agent uses technological parameter are as follows:
(1) temperature of work tank liquor is 25~45 DEG C；
(2) workpiece soaking time is 5~25min；
(3) solution ph is 7.5~9.5.
Specific embodiment
To facilitate the understanding of the present invention, below with reference to each embodiment to invention is more fully described, still, this
Invention can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
Example purpose be make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiments of the present invention propose a kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including with the following group
Point:
Wherein, the additive one is sodium molybdate, sodium tungstate, potassium fluorozirconate, potassium fluotitanate, cadmium sulfate, scandium sulfate, acetic acid
One of yttrium is a variety of；
The additive two is polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitol acid anhydride list palmitinic acid
Ester, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene carboxylate, alkane
Base glucosides, polyoxyethylene ether g-PEO ether, alkyl phenol polyoxyethylene ether, γ-aminopropyl triethoxysilane, poly- two
One of methylsiloxane is a variety of.
Wherein, the main salt is one of rubidium chloride, lithium sulfate, zinc chloride, lithium molybdate, zinc fluoride or a variety of.
Wherein, the complexing agent is EDTA-2Na, glucitol, sodium alginate, sodium lactate, natrium malicum, polyacrylic acid
One of sodium, diethylenetriamine pentacarboxylic acid salt, polyvinylpyrrolidone k30 or a variety of.
Wherein, the corrosion inhibiter is silicate, Quadrafos, sodium vanadate, sodium tetraborate, sodium benzoate, sulfydryl benzo thiophene
One of azoles, cetylamine are a variety of.
Wherein, the grey agent of the suppression is polyethylene glycol, maleic anhydride, maleic acrylic copolymer, sulfosalicylic acid, dextrin
One of or it is a variety of.
The use technological parameter of above-mentioned aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 25~45 DEG C；
(2) workpiece soaking time is 5~25min；
(3) solution ph is 7.5~9.5.
Divide multiple embodiments that the embodiment of the present invention is further detailed below.The embodiment of the present invention be not limited to
Under specific embodiment.Within the scope of the unchanged main rights, implementation can appropriate be changed.
Embodiment 1:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 40 DEG C；
(2) workpiece soaking time is 15min；
(3) solution ph is 8.2.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
It carry out not sealing of hole weightless test and mucous membrane, viscose glue test.
Wherein, sealing of hole weightless test is that (the phosphorus chromic acid method of GB/T8753.1-2017 nitric acid preimpregnation) is right according to national standards
The aluminum workpiece of sealing of hole is detected.
Mucous membrane test, which is selected, meets national standard (GB/T 30775-2014 polyethylene (PE) protective film pressure-sensitive tape)
Pressure-sensitive adhesive protective film is tested, motor-driven in accordance with the following methods or Manual pressure roller pad pasting.
(1) diameter of the steel pressure roller (abbreviation pressure roller) of cylindrical body is (85 ± 2.5) mm, and wide (45 ± 1.5) mm, surface is covered
It is stamped the rubber of 6mm thickness, hardness (80 ± 5) shore A does not have convex-concave deviation.The quality of pressure roller is (2000 ± 100) g.
(2) in use, any instrument portion should not all increase the weight of pressure roller.Pressure roller is with (10 ± 0.5) mm/s
Rate by the way that motor-driven or manually mode rolls.
Viscose glue test method:
By the workpiece after alumilite process sealing of hole, the method more than sticks protective film, under conditions of 38 DEG C, constant temperature
For 24 hours, it takes out and is cooled to room temperature, then place 30min, torn with hand Quick uniform, whether range estimation has residual.
Embodiment 2:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 45 DEG C；
(2) workpiece soaking time is 20min；
(3) solution ph is 9.0.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 3:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 5min；
(3) solution ph is 8.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 4:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 25 DEG C；
(2) workpiece soaking time is 18min；
(3) solution ph is 8.0.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 5:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 30 DEG C；
(2) workpiece soaking time is 25min；
(3) solution ph is 7.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 6:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 30 DEG C；
(2) workpiece soaking time is 18min；
(3) solution ph is 9.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 7:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 25 DEG C；
(2) workpiece soaking time is 20min；
(3) solution ph is 8.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 8:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 15min；
(3) solution ph is 7.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 9:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 30 DEG C；
(2) workpiece soaking time is 20min；
(3) solution ph is 9.0.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Embodiment 10:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 30 DEG C；
(2) workpiece soaking time is 25min；
(3) solution ph is 8.0.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Reference examples 1:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 15min；
(3) solution ph is 8.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
Reference examples 2:
A kind of aluminium and aluminium alloy anode oxide hole sealing agent, by densimeter, including following components:
The use technological parameter of the aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 45 DEG C；
(2) workpiece soaking time is 10min；
(3) solution ph is 8.5.
After the aluminium of the present embodiment and the processing of aluminium alloy anode oxide hole sealing agent, then cleaning, drying divides aluminum workpiece
Not carry out sealing of hole weightless test and mucous membrane, viscose glue test, test method is the same as embodiment 1.
The various embodiments described above and reference examples concrete outcome statistics are as follows:
1 Comparative result table of table
| Weightless value | Viscose glue situation | |
| Embodiment 1 | 17.3 | Surface noresidue colloid |
| Embodiment 2 | 16.9 | Surface noresidue colloid |
| Embodiment 3 | 13.8 | Surface noresidue colloid |
| Embodiment 4 | 13.5 | There is slight residual colloid in surface |
| Embodiment 5 | 16.9 | Surface noresidue colloid |
| Embodiment 6 | 19.3 | Surface noresidue colloid |
| Embodiment 7 | 12.1 | Surface noresidue colloid |
| Embodiment 8 | 18.2 | There is slight residual colloid in surface |
| Embodiment 9 | 23.3 | Surface noresidue colloid |
| Embodiment 10 | 14.9 | Surface noresidue colloid |
| Reference examples 1 | 64.9 | There is a small amount of residual colloid in surface |
| Reference examples 2 | 59.4 | There is a small amount of residual colloid in surface |
| Non- sealing of hole | 380.9 | There is a large amount of residual colloid in surface |
As shown in Table 1, the aluminium and aluminium alloy anode oxide hole sealing agent that various embodiments of the present invention provide have low weightless, anti-stick
The advantages of film.
The aluminium and aluminium alloy anode oxide hole sealing agent provided according to the present invention, after additive one can effectively reduce sealing of hole
Weightlessness, can reach the standard of nickeliferous hole sealing agent, 30 or less be up to state standards；After additive two effectively can solve pad pasting
The phenomenon that mucoadhesive.The aluminium and aluminium alloy anode oxide hole sealing agent, solution system are stablized, and sealing of hole osmotic effect is good, sealing of hole film
Densification, sealing of hole workpiece weightlessness is low, pad pasting non cohesive gel, and the pH range that works is wide, is more convenient worker operation, workpiece surface light after sealing of hole
Good brightness does not play ash, and oil rub resistance ability is strong, effectively increases the intensity, hardness and corrosion resistance of workpiece.It is not nickeliferous in hole sealing agent
With the elements such as chromium, safety and environmental protection is pollution-free to operating environment, will not insulting health.In addition, the hole sealing agent price is low
Honest and clean, energy consumption is smaller, can satisfy the more demanding aluminum profile production of technique, is suitable for industrialized production.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (6)
1. a kind of aluminium and aluminium alloy anode oxide hole sealing agent, which is characterized in that press densimeter, including following components:
Surplus is deionized water；
Wherein, the additive one is sodium molybdate, in sodium tungstate, potassium fluorozirconate, potassium fluotitanate, cadmium sulfate, scandium sulfate, yttrium acetate
It is one or more；
The additive two is polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, gathers
Ethylene oxide sorbitan monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene carboxylate, alkyl sugar
Glycosides, polyoxyethylene ether g-PEO ether, alkyl phenol polyoxyethylene ether, γ-aminopropyl triethoxysilane, poly dimethyl
One of siloxanes is a variety of.
2. aluminium according to claim 1 and aluminium alloy anode oxide hole sealing agent, which is characterized in that the main salt is chlorination
One of rubidium, lithium sulfate, zinc chloride, lithium molybdate, zinc fluoride are a variety of.
3. aluminium according to claim 1 and aluminium alloy anode oxide hole sealing agent, which is characterized in that the complexing agent is
EDTA-2Na, glucitol, sodium alginate, sodium lactate, natrium malicum, Sodium Polyacrylate, diethylenetriamine pentacarboxylic acid salt, poly- second
One of alkene pyrrolidone k30 or a variety of.
4. aluminium according to claim 1 and aluminium alloy anode oxide hole sealing agent, which is characterized in that the corrosion inhibiter is silicic acid
One of salt, Quadrafos, sodium vanadate, sodium tetraborate, sodium benzoate, mercaptobenzothiazoler, cetylamine are a variety of.
5. aluminium according to claim 1 and aluminium alloy anode oxide hole sealing agent, which is characterized in that the grey agent of the suppression is poly- second
One of glycol, maleic anhydride, maleic acrylic copolymer, sulfosalicylic acid, dextrin are a variety of.
6. the application of aluminium described in any one of claim 1 to 5 and aluminium alloy anode oxide hole sealing agent, which is characterized in that described
The use technological parameter of aluminium and aluminium alloy anode oxide hole sealing agent are as follows:
(1) temperature of work tank liquor is 25~45 DEG C；
(2) workpiece soaking time is 5~25min；
(3) solution ph is 7.5~9.5.
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| CN114921830A (en) * | 2022-06-21 | 2022-08-19 | 曹亚楠 | Application method of coating |
| CN115726009A (en) * | 2022-11-18 | 2023-03-03 | 深圳市恒享表面处理技术有限公司 | Wear-resistant silver-plated bright additive and preparation method thereof |
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