CN107130278B - The method for dyeing current mark suppressant additive and aluminum alloy anode dyeing - Google Patents
The method for dyeing current mark suppressant additive and aluminum alloy anode dyeing Download PDFInfo
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- CN107130278B CN107130278B CN201710364295.4A CN201710364295A CN107130278B CN 107130278 B CN107130278 B CN 107130278B CN 201710364295 A CN201710364295 A CN 201710364295A CN 107130278 B CN107130278 B CN 107130278B
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- parts
- dyeing
- current mark
- aluminium alloy
- alloy anode
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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
- C25D11/24—Chemical after-treatment
- C25D11/243—Chemical after-treatment using organic dyestuffs
Abstract
Present invention discloses a kind of dyeing current mark suppressant additive and the methods of aluminum alloy anode dyeing, it dyes current mark suppressant additive and presses mass parts, comprising: 7.5 to 10.5 parts of nickel acetate, 3.5 to 5.5 parts of sodium acetate, 7.5 to 10.5 parts of dimethyl silicone polymer, 3.5 to 5.5 parts of mannitol, 3.5 to 6.5 parts of triethanolamine and 4.5 to 6.5 parts of ammonium sulfate.The present invention dyes current mark suppressant additive and is able to suppress the situation that the blistering of dyeing tank liquor of aluminium alloy anode oxide dyeing, PH be unstable, coloring agent is unevenly distributed, and then reduce the quality abnormals such as current mark, the piebald occurred when dyeing, and its colouring power can be promoted, the service life of the dyeing tank liquor of aluminium alloy anode oxide dyeing can also be enhanced, it was enhanced to 3 weeks or so by original one week or so, it reduces to build bath frequency and improve equipment and transfer, thereby reduce dyeing cost.
Description
Technical field
The present invention relates to staining trough solution additive field, a kind of dyeing current mark suppressant additive and aluminium are especially related to
The method of alloy anode dyeing.
Background technique
In the condition of normal use, mildew reaction, Jin Erfa easily occur for the dyeing tank liquor of aluminium alloy anode oxide dyeing
Situations such as life is blistered, PH is unstable, coloring agent is unevenly distributed with colouring power decline, validity period generally only has one week or so,
It is vulnerable, it also easily leads to product and the quality abnormals such as current mark, piebald occurs.Since the service life of dyeing tank liquor is short, result in the need for frequently
Bath (being to build descaling bath either electroplating bath etc. in industrial application, exactly establish the meaning of bath) is built, equipment is caused to transfer (i.e.
Refer to equipment within the time that can be provided in order to create value and occupy time shared by specific gravity.Refer to a machinery equipment
The ratio of actual production quantity and possible production quantity.) it is low, dyeing cost is high.
Summary of the invention
The main object of the present invention is to provide the dyeing tank liquor service life that can be improved aluminium alloy anode oxide dyeing
The method for dyeing current mark suppressant additive and the aluminum alloy anode dyeing using the dyeing current mark suppressant additive.
The present invention proposes a kind of dyeing current mark suppressant additive, by mass parts, comprising: 7.5 to 10.5 parts of nickel acetate, acetic acid
3.5 to 5.5 parts of sodium, 7.5 to 10.5 parts of dimethyl silicone polymer, 3.5 to 5.5 parts of mannitol, 3.5 to 6.5 parts of triethanolamine and
4.5 to 6.5 parts of ammonium sulfate.
Further, by mass parts, comprising: 8 to 10 parts of nickel acetate, 4 to 5 parts of sodium acetate, dimethyl silicone polymer 8 to 10
Part, 4 to 5 parts of mannitol, 4 to 6 parts of triethanolamine and 5 to 6 parts of ammonium sulfate.
Further, by mass parts, including 10 parts of nickel acetate, 4 parts of sodium acetate, 8 parts of dimethyl silicone polymer, mannitol 5
Part, 4 parts of triethanolamine and 6 parts of ammonium sulfate.
Further, by mass parts, including 8 parts of nickel acetate, 5 parts of sodium acetate, 10 parts of dimethyl silicone polymer, mannitol 4
Part, 6 parts of triethanolamine and 5 parts of ammonium sulfate.
It further include a kind of method of aluminum alloy anode dyeing, comprising:
Aluminium alloy is done into physical treatment before anodic oxidation；
Aluminium alloy anode oxide is generated into oxidation film；
Aluminium alloy is put into dyeing tank liquor and is dyed, dyes in tank liquor and is mixed with above-mentioned dyeing current mark suppressant additive；
By the aluminium alloy fenestra Seal treatment after dyeing；
By aluminum alloy electrophoresis curing process.
Further, the dye strength for dyeing tank liquor is 1~10g/L.
Further, the dyeing temperature that aluminium alloy is put into dyeing tank liquor is 20~50 DEG C.
Further, 2~10min of dyeing time of aluminium alloy.
The method that the present invention dyes current mark suppressant additive and aluminum alloy anode dyeing, dyeing current mark suppressant additive can
Inhibit the situation that the blistering of dyeing tank liquor, the PH of aluminium alloy anode oxide dyeing be unstable, coloring agent is unevenly distributed, and then reduction
The quality abnormals such as the current mark, the piebald that occur when dyeing, and its colouring power can be promoted, moreover it is possible to enhance aluminium alloy anode oxide
The service life of the dyeing tank liquor of dyeing, was enhanced to 3 weeks or so by original one week or so, is reduced and is built bath frequency and improve
Equipment is transferred, and dyeing cost is thereby reduced.
Detailed description of the invention
Fig. 1 is the step schematic diagram of one embodiment of method of aluminum alloy anode dyeing of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention dyes current mark suppressant additive, in some embodiments, by mass parts, comprising: nickel acetate 7.5 arrives
10.5 parts, 3.5 to 5.5 parts of sodium acetate, 7.5 to 10.5 parts of dimethyl silicone polymer, 3.5 to 5.5 parts of mannitol, triethanolamine
3.5 to 6.5 parts and 4.5 to 6.5 parts of ammonium sulfate.
Dyeing current mark suppressant additive can be used for the dyeing tank liquor of aluminium alloy anode oxide dyeing, dye the work ginseng of tank liquor
Number be dye strength be 1~10g/L, dyeing temperature is 20~50 DEG C and 2~10min of dyeing time of product.
Wherein nickel acetate is dye leveller, and sodium acetate is neutralizer, in the dyeing tank liquor of enhancing aluminium alloy anode oxide dyeing
Dyestuff is uniformly distributed ratio, reduce current mark, piebald etc. because dyestuff it is uneven caused by quality abnormal；Dimethyl silicone polymer and sweet dew
Alcohol is foam inhibitor, and the foam being able to suppress in the dyeing tank liquor of aluminium alloy anode oxide dyeing generates, and it is uneven to reduce dye distribution
Even situation；Triethanolamine is PH stabilizer, plays the role of the pH value of the dyeing tank liquor of balanced aluminium alloy anode oxide dyeing,
And then extend the service life of the dyeing tank liquor of aluminium alloy anode oxide dyeing；Ammonium sulfate is accelerant, and aluminium alloy can be enhanced
The colouring power of the dyeing tank liquor of anodic oxidation dyeing.
Nickel acetate also known as nickel acetate have the green monoclinic crystal of acetic acid odor.It is dissolved in water, ethyl alcohol and ammonium hydroxide.The heated time-division
Solution.For nickel plating, metal coloring, Raney nickel processed etc..It is obtained, molecular formula C4H6NiO4 by nickelous carbonate and acetic acid effect.
Sodium acetate also known as sodium acetate, molecular formula CH3COONa；Generally with band, there are three three water of the crystallization water for sodium acetate
Acetic acid na form is closed to exist.Sodium acetate trihydrate is that colorless and transparent or white particle crystallizes, in air can be flammable by weathering.
It is soluble easily in water, it is slightly soluble in ethyl alcohol, does not dissolve in ether.The crystallization water is lost at 123 DEG C.But the taste for having acetic acid of usually wet-method
Road.It hydrolyzes in water.
Dimethyl silicone polymer also known as dimethicone, molecular formula are (C2H6OSi) n；It is a kind of the organic of hydrophobic class
Silicon materials；Have application in each field such as drug, daily chemical product, food, building, its derivative reached it is hundreds of, commonly
Polysiloxanes mainly has: dimethyl silicone polymer, cyclomethicone, amino silicone, polymethylphenylsiloxane, and polyethers is poly-
Silicone copolymers.Wherein cyclomethicone is just that common polysiloxanes is a kind of.This product is non-toxic, but in clinic
There is the case where causing blood vessel embolism and brain injury appearance.
Mannitol is the isomer of D-sorbite, and hydroxyl direction is different on No. two carbon atoms of two kinds of alcohols materials,
Its molecular formula is C6H14O6, and molecular weight 182.17 is soluble easily in water, is the solid of white clear, there is the sweet taste of similar sucrose.
Triethanolamine also known as three (2- ethoxy) amine, molecular formula C6H15NO3 is similar to other aminated compounds, by
In, there are lone pair electrons, triethanolamine tool alkalescent can generate salt with inorganic acid or organic acid reaction on nitrogen-atoms.
The molecular formula of ammonium sulfate is (NH4) 2SO4；It is colourless crystallization or white particle, odorlessness；280 DEG C or more points
Solution；Solubility in water: 70.6g at 0 DEG C, 103.8g at 100 DEG C；Insoluble in ethyl alcohol and acetone.The pH of 0.1mol/L aqueous solution is
5.5.Ammonium sulfate is mainly used as fertilizer, is suitable for various soil and crop.It can also be used in the side such as weaving, leather, medicine, metallurgy
Face.
Further, in some embodiments, by mass parts, including 8 to 10 parts of nickel acetate, 4 to 5 parts of sodium acetate, poly- two
8 to 10 parts of methylsiloxane, 4 to 5 parts of mannitol, 4 to 6 parts of triethanolamine and 5 to 6 parts of ammonium sulfate；
Wherein the dyeing tank liquor of aluminium alloy anode oxide dyeing includes: that the one or two kinds of and above azo-compound has engine dyeing
Material, coloration additive, surplus are water.
Dimethyl silicone polymer and mannitol are as foam inhibitor, its working principle is that in the form of the hydrophobic spheroidal particle of solid oil
It penetrates into foam system, when foam will generate, the foam inhibitor being present in system can destroy rapidly the elastic membrane of bubble, suppression
Foam processed generates；Triethanolamine is a kind of industrial widely used PH poising agent, and alkanolamine therein is with adjusting and surely
The effects of determining pH value, promoting dyestuff, filler dispersion；Ammonium sulfate is hydrolyzed to ammonia and sulphur after being added in dyestuff as dyestuff accelerant
Acid, sulfuric acid, which remains in dyestuff, enhances dyestuff acidity, and activity improves.
In embodiment 1, by mass parts, including it is 7.5 parts of nickel acetate, 3.5 parts of sodium acetate, 7.5 parts of dimethyl silicone polymer, sweet
3.5 parts of alcohol of dew, 3.5 parts of triethanolamine and 4.5 parts of ammonium sulfate.
In embodiment 2, by mass parts, including 10.5 parts of nickel acetate, 5.5 parts of sodium acetate, 10.5 parts of dimethyl silicone polymer,
5.5 parts of mannitol, 6.5 parts of triethanolamine and 6.5 parts of ammonium sulfate.
In embodiment 3, by mass parts, including 8 parts of nickel acetate, 4 parts of sodium acetate, 8 parts of dimethyl silicone polymer, mannitol 4
Part, 4 parts of triethanolamine and 5 parts of ammonium sulfate.
In embodiment 4, by mass parts, including 10 parts of nickel acetate, 5 parts of sodium acetate, 10 parts of dimethyl silicone polymer, mannitol
5 parts, 6 parts of triethanolamine and 6 parts of ammonium sulfate.
In embodiment 5, by mass parts, including 10 parts of nickel acetate, 4 parts of sodium acetate, 8 parts of dimethyl silicone polymer, mannitol 5
Part, 4 parts of triethanolamine and 6 parts of ammonium sulfate.
Embodiment 6, by mass parts, including 8 parts of nickel acetate, 5 parts of sodium acetate, 10 parts of dimethyl silicone polymer, mannitol 4
Part, 6 parts of triethanolamine and 5 parts of ammonium sulfate.
Wherein dyeing tank liquor is as follows using the comparison chart before and after dyeing current mark suppressant additive:
Dyeing tank liquor is using dyeing current mark suppressant additive embodiment 5 or in embodiment 6 it can be seen from the comparison of upper table
Afterwards, dyeing effect, service life and dyeing cost etc., which have, is obviously improved.
Dyeing current mark suppressant additive of the invention be able to suppress aluminium alloy anode oxide dyeing dyeing tank liquor blistering,
The situation that PH is unstable, coloring agent is unevenly distributed, and then reduce the quality abnormals such as current mark, the piebald occurred when dyeing, Er Qieneng
Enough promote its colouring power, moreover it is possible to which the service life for enhancing the dyeing tank liquor of aluminium alloy anode oxide dyeing reduces and builds bath frequency
It rate and improves equipment and transfers, thereby reduce dyeing cost.
Referring to Fig.1, a kind of method of aluminum alloy anode dyeing, comprising:
S1, aluminium alloy is done to physical treatment before anodic oxidation.
S2, aluminium alloy anode oxide is generated into oxidation film.
S3, aluminium alloy is put into dyeing tank liquor and is dyed, dyed and be mixed with above-mentioned dyeing current mark inhibition addition in tank liquor
Agent.
S4, by the aluminium alloy fenestra Seal treatment after dyeing.
S5, by aluminum alloy electrophoresis curing process.
In above-mentioned steps S1, the processing such as aluminum alloy part to be processed is derusted, is corrected, it is possible to reduce part is dark
Wound improves the yields of part after processing.
In above-mentioned steps S2, aluminium alloy anode oxide is generated into oxidation film, oxidation film is inertia, can effectively completely cut off aluminium
Alloy substrate and air contact, enhance the service life of aluminum alloy part.
In above-mentioned steps S3, aluminum alloy part surface is dyed, it is more beautiful to enable aluminum alloy to part, and because of it
Using above-mentioned dyeing current mark suppressant additive, not only dyeing effect is good, and dyeing cost is lower；Wherein dye the dye of tank liquor
Material concentration is 1~10g/L, and dyeing temperature is 2~10min of dyeing time of 20~50 DEG C and product.
In above-mentioned steps S4, the Seal treatment of aluminium alloy fenestra can be improved the corrosion resistance and antipollution of anode oxide film
Property.
In above-mentioned steps S5, by aluminum alloy electrophoresis curing process.It can be improved corrosion resistance, the surface anti-corrosion property of aluminium alloy
Can, strengthen function life-span and make the exquisiteness that is smooth to the touch, appearance is more bright-coloured beautiful, moreover it is possible to improve surface hardness height.
The method that the present invention dyes current mark suppressant additive and aluminum alloy anode dyeing, dyeing current mark suppressant additive can
Inhibit the situation that the blistering of dyeing tank liquor, the PH of aluminium alloy anode oxide dyeing be unstable, coloring agent is unevenly distributed, and then reduction
The quality abnormals such as the current mark, the piebald that occur when dyeing, and its colouring power can be promoted, moreover it is possible to enhance aluminium alloy anode oxide
The service life of the dyeing tank liquor of dyeing, was enhanced to 3 weeks or so by original one week or so, is reduced and is built bath frequency and improve
Equipment is transferred, and dyeing cost is thereby reduced.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (8)
1. a kind of dyeing current mark suppressant additive, which is characterized in that press mass parts, comprising:
7.5 to 10.5 parts of nickel acetate；
3.5 to 5.5 parts of sodium acetate；
7.5 to 10.5 parts of dimethyl silicone polymer；
3.5 to 5.5 parts of mannitol；
3.5 to 6.5 parts of triethanolamine；
4.5 to 6.5 parts of ammonium sulfate.
2. dyeing current mark suppressant additive according to claim 1, which is characterized in that press mass parts, comprising:
8 to 10 parts of nickel acetate；
4 to 5 parts of sodium acetate；
8 to 10 parts of dimethyl silicone polymer；
4 to 5 parts of mannitol；
4 to 6 parts of triethanolamine；
5 to 6 parts of ammonium sulfate.
3. dyeing current mark suppressant additive according to claim 1, which is characterized in that press mass parts, including nickel acetate 10
Part；
4 parts of sodium acetate；
8 parts of dimethyl silicone polymer；
5 parts of mannitol；
4 parts of triethanolamine；
6 parts of ammonium sulfate.
4. dyeing current mark suppressant additive according to claim 1, which is characterized in that press mass parts, including nickel acetate 8
Part；
5 parts of sodium acetate；
10 parts of dimethyl silicone polymer；
4 parts of mannitol；
6 parts of triethanolamine；
5 parts of ammonium sulfate.
5. a kind of method of aluminum alloy anode dyeing characterized by comprising
Aluminium alloy is done into physical treatment before anodic oxidation；
The aluminium alloy anode oxide is generated into oxidation film；
The aluminium alloy is put into dyeing tank liquor and is dyed, wherein is mixed in the dyeing tank liquor any in claim 1-4
Dyeing current mark suppressant additive described in；
By the aluminium alloy fenestra Seal treatment after dyeing；
By the aluminum alloy electrophoresis curing process.
6. the method for aluminum alloy anode dyeing according to claim 5, which is characterized in that the dyestuff of the dyeing tank liquor is dense
Degree is 1~10g/L.
7. the method for aluminum alloy anode dyeing according to claim 5, which is characterized in that the aluminium alloy is put into staining trough
Dyeing temperature in liquid is 20~50 DEG C.
8. the method for aluminum alloy anode dyeing according to claim 5, which is characterized in that the dyeing time of the aluminium alloy
2~10min.
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| CN108018591A (en) * | 2017-11-30 | 2018-05-11 | 杭州和韵科技有限公司 | A kind of aluminium and aluminium alloy anode oxide film are without nickel free-floride sealer |
| CN110983413A (en) * | 2019-12-24 | 2020-04-10 | 苏州市科渠金属制品有限公司 | Aluminum alloy anodic oxidation dye pH slow release agent |
| CN112430836B (en) * | 2020-12-18 | 2022-06-17 | 东莞市新东明科技有限公司 | Aluminum alloy dyeing pretreatment agent and pretreatment method |
| CN114197011A (en) * | 2021-11-27 | 2022-03-18 | 鸿富锦精密电子（成都）有限公司 | Anodic oxidation dyeing additive, anodic oxidation dyeing additive solution, preparation method of anodic oxidation dyeing additive solution and anodic oxidation dyeing method |
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| CN1050911A (en) * | 1989-10-11 | 1991-04-24 | 湖南大学 | The aluminum or aluminum alloy anode oxide film electrolytic colouring technology |
| US5674371A (en) * | 1989-11-08 | 1997-10-07 | Clariant Finance (Bvi) Limited | Process for electrolytically treating aluminum and compositions therefor |
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