CN105839161B - The colouring method of metalwork - Google Patents
The colouring method of metalwork Download PDFInfo
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- CN105839161B CN105839161B CN201610309063.4A CN201610309063A CN105839161B CN 105839161 B CN105839161 B CN 105839161B CN 201610309063 A CN201610309063 A CN 201610309063A CN 105839161 B CN105839161 B CN 105839161B
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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
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Abstract
The present invention relates to a kind of colouring method of metalwork.The step of colouring method of the metalwork, is as follows：Metalwork is subjected to anodized, so that the surface of metalwork forms porous oxide-film；The metalwork for being formed with oxide-film is soaked in coloring agent, so that oxide-film adsorbs coloring agent, wherein, coloring agent includes following component：0.285~0.485 g/l of acid red 94,0.0015~0.0215 g/l of acid black 172,0.00668~0.00868 g/l of acid black 1 68 and 0.032~0.052 g/l of acid orange 74.The colouring method of above-mentioned metalwork can make the color on the surface of metalwork be more nearly rose golden.
Description
Technical field
The present invention relates to metal processing sectors, more particularly to a kind of colouring method of metalwork.
Background technology
Metal product, such as aluminium alloy, magnesium alloy or titanium alloy, can typically carry out anodized, with its surface shape
Into wearability preferably anode oxide film.To make the variation of product surface color, product can be carried out after anodic oxidation at dyeing
Reason or spray treatment.Because rose golden is more attractive in appearance, it is loved by people, and the dyeing of current rose golden is obtained
The Color of metal surface do not reach the effect of rose golden, aberration is larger.
The content of the invention
In consideration of it, being necessary to provide a kind of colouring method of metalwork, the surface of metalwork is made using the colouring method
Color is more nearly rose golden.
A kind of colouring method of metalwork, comprises the following steps：
Metalwork is subjected to anodized, so that the surface of the metalwork forms porous oxide-film；
The metalwork for being formed with the oxide-film is soaked in coloring agent, so that the oxide-film adsorbs the dye
Toner, wherein, the coloring agent includes following component：0.285~0.485 g/l of acid red 94,0.0015~0.0215
G/l acid black 172,0.00668~0.00868 g/l of acid black 1 68 and 0.032~0.052 g/l of acid orange
74。
In one of the embodiments, the coloring agent also includes the buffer solution of 0.0005~0.0025 ml l, described
The acetic acid and 28~35% sodium acetate that weight/mass percentage composition is 3~6% are included in buffer solution.
In one of the embodiments, the coloring agent also includes 1~4 g/l of sodium sulphate.
In one of the embodiments, by the metalwork carry out anodized the step of be：17~21 DEG C, 14
Under conditions of~16V, the metalwork is aoxidized 2100~2700 seconds in anodizing solution, wherein, the anodizing solution
In contain sulfuric acid and aluminium ion, the aluminum ions concentration in the anodizing solution is 0.1~13 g/l.
In one of the embodiments, soaked by the metalwork for being formed with the oxide-film in the coloring agent
The step of before, in addition to the metalwork of the oxide-film will be formed with surpass under conditions of 40~60 DEG C in activator
Sonication 120~300 seconds, so that the oxide-film is activated, wherein, the activator includes water and solute, according to quality percentage
Content, the solute includes 75% acylate and 25% acetate.
In one of the embodiments, before the step of part to be dyed is carried out into anodized, in addition to
The step of metalwork is subjected to oil removing in degreaser.
In one of the embodiments, before the step of metalwork is carried out into anodized, in addition to will
The step of metalwork carries out chemical polishing.
In one of the embodiments, soaked by the metalwork for being formed with the oxide-film in the coloring agent
The step of after, in addition to sealing pores are carried out to the metalwork for being formed with the oxide-film, then by the formation after sealing pores
The step of metalwork for having the oxide-film soaks in nitric acid.
In one of the embodiments, to be formed with the oxide-film metalwork carry out sealing pores the step of it
Afterwards, before the step of metalwork that the formation after sealing pores has the oxide-film being soaked in the nitric acid, in addition to pair
The step of metalwork that formation after sealing pores has the oxide-film is washed.
In one of the embodiments, the formation after by sealing pores has the metalwork of the oxide-film in the nitric acid
After the step of middle immersion, in addition to the metalwork for being formed with the oxide-film washed, then the step of be dried.
The colouring method of above-mentioned metalwork, by the way that metalwork first to be formed to porous oxide-film in anodized, with
Be easy to subsequent adsorbtion coloring agent, then by using the coloring agent of above-mentioned formula so that the color on the surface of metalwork with
Rose golden is close.
Brief description of the drawings
Fig. 1 is the flow chart of the colouring method of the metalwork of an embodiment.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
As shown in figure 1, the colouring method of the rose golden of the metalwork of an embodiment, this method can be used for mobile phone shell
Dyeing.The colouring method of the rose golden of the metalwork comprises the following steps：
Step S110：Metalwork is subjected to anodized, so that the surface of metalwork forms porous oxide-film.
Wherein, porous oxide-film is formed in order to subsequent adsorbtion coloring agent.
Specifically, the step of metalwork is carried out into anodized is specially：In 17~21 DEG C, 14~16V condition
Under, metalwork is aoxidized 2100~2700 seconds in anodizing solution, wherein, sulfuric acid and aluminium ion are contained in anodizing solution,
Aluminum ions concentration in anodizing solution is 0.1~13 g/l.Wherein, in anodizing solution the concentration of sulfuric acid for 170~
190 g/l.Wherein, method metalwork aoxidized in anodizing solution for example can be that metalwork is soaked in into anodic oxygen
Change in liquid.
Wherein, before the step of metalwork is carried out into anodized, in addition to metalwork entered in degreaser
The step of row oil removing.Specifically, the step of metalwork is carried out in degreaser to oil removing is：Bar by metalwork at 40~60 DEG C
Soaked 60~300 seconds in degreaser under part.Wherein, according to weight/mass percentage composition, in degreaser containing 30~40% it is organic
Acid sodium-salt, 8~10% corrosion inhibiter and 10~15% complexing agent.Wherein, corrosion inhibiter is in ethylene glycol and diethanol amine
It is at least one.Complexing agent is sodium pyrophosphate.Wherein, organic acid sodium salt is sodium citrate.For example, degreaser can be Dongguan Hui Ze
Insult the model CW-6007 of Chemical Industry Science Co., Ltd degreaser.
Wherein, before the step of metalwork is carried out into anodized, in addition to metalwork is subjected to chemical polishing
The step of.Specifically, the step of metalwork is carried out into chemical polishing is：By metalwork under the conditions of 80~90 DEG C, in chemistry throwing
Soaked 60~150 seconds in light liquid.Wherein, chemical polishing solution includes the phosphorus in phosphoric acid, additive and sulfuric acid, and chemical polishing solution
The mass ratio of acid, additive and sulfuric acid is 7:2:1.Wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate,
15% polyethylene glycol, 20% sulfuric acid and 40% phosphoric acid.
Specifically in the present embodiment, after the step of chemical polishing is the step of oil removing.After the step of oil removing, changing
Before the step of optical polishing, in addition to the metalwork after oil removing cleaned 10~30 seconds in water, then by metalwork in normal temperature
Under soaked 30~90 seconds in nitric acid and mixed liquor except film, then metalwork is cleaned 10~30 minutes in water.Wherein, nitre
Acid and except in the mixed liquor of film, the concentration of nitric acid is 225~255g/L, except the concentration of film is 120g/L.Except film for example
Film can be removed for Dongguan City De Shuo Chemical Co., Ltd.s.
Wherein, after the step of chemical polishing, the step of anodized before, in addition to by metalwork in water
Middle cleaning, then at nitric acid and except immersion, the step of then being cleaned again with water in the mixed liquor of film.
Step S120：The metalwork for being formed with oxide-film is soaked in coloring agent, so that oxide-film adsorbs coloring agent.
Specifically, being 120~240 seconds by the time that the metalwork for being formed with oxide-film soaks in coloring agent.
Wherein, coloring agent includes following component：0.285~0.485 g/l of acid red 94,0.0015~0.0215 gram/
Rise acid black 172,0.00668~0.00868 g/l of acid black 1 68,0.032~0.052 g/l of acid orange 74,
The buffer solution of 0.0005~0.0025 ml l and 1~4 g/l of sodium sulphate.Wherein, water is solvent.
In i.e. 1 liter coloring agent, acid red 94 is 0.285~0.485 gram, and acid black 172 is 0.0015~0.0215 gram, acid
Property black 168 be 0.00668~0.00868 gram, acid orange 74 be 0.032~0.052 gram, buffer solution is 0.0005~0.0025 milli
Rise, sodium sulphate is 1~4 gram.
It is preferred that, coloring agent includes following component：0.385 g/l of acid red 94,0.0115 g/l of acid black
172nd, 0.00768 g/l of acid black 1 68,0.042 g/l of acid orange 74, the buffer solution of 0.0015 ml l and 1~4
G/l sodium sulphate.
Wherein, the molecular formula of acid red 94 is C20H2Cl4I4Na2O5.Wherein, acid red 94 can be wild red property dyestuff difficult to understand
139。
Wherein, the molecular formula of acid black 172 is C40H20CrN6O14S2.3Na。
Wherein, acid black 1 68 is also referred to as neutral black BL.Wherein, acid black 172 and acid black 1 68 can be difficult to understand wild by adding
The mode of black dyes 402 is added.
Wherein, the molecular formula of acid orange 74 is C16H11N5O7S。
Wherein, the acetic acid and 28~35% sodium acetate that weight/mass percentage composition is 3~6% are included in buffer solution.Specifically,
Buffer solution can be wild aluminium oxidation dye pH-5 buffer solutions difficult to understand.Buffer solution also can make the color on the surface after metallochromy more
Close to rose golden.
It is appreciated that in other embodiments, buffer solution can also be omitted.Sodium sulphate can also be omitted.Wherein, containing upper
The coloring agent of the buffer solution and sodium sulphate of stating proportioning can make the color of the metallic surface after dyeing more uniform, be not in
Spot.
Obtained specifically, above-mentioned coloring agent can be prepared as follows：According to above-mentioned weight/mass percentage composition by acid red
94th, acid black 172, acid black 1 68 and acid orange 74 are mixed in water, that is, obtain coloring agent.
Wherein, before the step of metalwork for being formed with oxide-film being soaked in coloring agent, in addition to it will be formed aerobic
Change film metalwork under conditions of 40~60 DEG C ultrasonically treated 120~300 seconds in activator so that oxide-film activate.
Wherein, activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% acylate and 25%
Acetate.Wherein, acylate is sodium citrate；Acetate is sodium acetate.
Further, before the metalwork for being formed with oxide-film step ultrasonically treated in activator, in addition to will
The step of metalwork for being formed with oxide-film is cleaned in water.The time of cleaning is 10~30 seconds.
Specifically, after the step of soaking the metalwork for being formed with oxide-film in coloring agent, in addition to being formed
The metalwork for having oxide-film carries out sealing pores, then the metalwork that the formation after sealing pores has oxide-film is soaked in nitric acid
The step of.Unnecessary hole sealing agent is removed and dirty by nitric acid dousing.Wherein, the concentration of nitric acid is 90~110 g/l.
Specifically, the step of carrying out sealing pores to the pending part for being formed with oxide-film is specially：At 90~95 DEG C
Under the conditions of the metalwork for being formed with oxide-film is soaked 1800~2400 seconds in the aqueous solution of hole sealing agent.Wherein, hole sealing agent
The concentration of hole sealing agent is 8~12g/L in the aqueous solution.Wherein, according to weight/mass percentage composition, hole sealing agent include 75% nickel acetate,
20% complexing agent and 5% surfactant.Wherein, complexing agent is citric acid；Surfactant is triethanolamine soap.
Specifically, after the step of metalwork to being formed with oxide-film carries out sealing pores, after sealing pores
It is formed with before the step of metalwork of oxide-film soaks in nitric acid, in addition to the formation after sealing pores is had into oxide-film
The step of metalwork is cleaned in water.
Wherein, after the step of metalwork for being formed with oxide-film being soaked in nitric acid, in addition to oxidation will be formed with
The step that the metalwork of film is washed and dried successively.Specifically, the step that the metalwork for being formed with oxide-film is soaked in nitric acid
Water-washing step after rapid is：The metalwork of oxide-film will be formed with and be cleaned by ultrasonic 10~60 in water in 60~80 DEG C of condition
Second, cleaned then at 60~80 DEG C of conditions in water 10~60 seconds.Dry step is：Formation after cleaning there is into oxide-film
Metalwork is dried 900~1500 seconds in 60~80 DEG C.
The colouring method of the rose golden of above-mentioned metalwork, by the way that metalwork first is formed into porous in anodized
Oxide-film, in order to subsequent adsorbtion coloring agent, then by using the coloring agent of above-mentioned formula, so that the surface of metalwork
Color it is close with rose golden.
It is specific embodiment part below：
Embodiment 1
The step of colouring method of the metalwork of the present embodiment, is as follows：
(1) metalwork is clamped on the hanger of transfer matic, first metalwork is soaked at normal temperatures and is filled with degreaser
Degreasing tank in, under conditions of 50 DEG C in degreaser soak 180 seconds.Wherein, according to weight/mass percentage composition, contain in degreaser
There are 35% organic acid sodium salt, 9% corrosion inhibiter and 12% complexing agent, wherein, organic acid sodium salt is sodium citrate, corrosion inhibiter
For ethylene glycol, complexing agent is sodium pyrophosphate.
(2) at normal temperatures, the metalwork after oil removing is soaked 20 seconds in the rinsing bowl for be filled with water, then at normal temperatures will
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film.Wherein, nitric acid and mixing except film
The concentration for closing the nitric acid in liquid is 240g/L, except the concentration of film is 120g/L.
(3) at normal temperatures, the metalwork of step (2) is soaked 20 seconds in the rinsing bowl for be filled with water, then by metalwork
Under the conditions of 85 DEG C, soaked 110 seconds in the chemical polishing bath for be filled with chemical polishing solution, to carry out chemical polishing.Wherein, change
It is 7 that optical polishing liquid, which includes phosphoric acid, additive and the mass ratio of phosphoric acid in sulfuric acid, and chemical polishing solution, additive and sulfuric acid,:2:
1, wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate, 15% polyethylene glycol, 20% sulfuric acid and
40% phosphoric acid.
(4) by the metalwork after polishing at normal temperatures in the rinsing bowl for be filled with water soak 20 seconds, then at normal temperatures
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film, then again at normal temperatures by metal
Part soaks 20 seconds in the rinsing bowl for be filled with water.Wherein, nitric acid and except in the mixed liquor of film, the concentration of nitric acid is
240g/L, except the concentration of film is 120g/L.
(5) under conditions of 19 DEG C, 15V, metalwork is aoxidized 2400 seconds in anodizing solution and carried out at anodic oxidation
Reason, so that the surface of metalwork forms porous oxide-film.Wherein, anodizing solution includes sulfuric acid and aluminium ion, anodic oxidation
Aluminum ions concentration in liquid is 6 g/l.Wherein, the concentration of sulfuric acid is 180 g/l in anodizing solution.
(6) metalwork for being formed with oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water at normal temperatures, then by shape
Into the metalwork for having oxide-film under conditions of 50 DEG C ultrasonically treated 180 seconds in activator so that oxide-film activate.Wherein,
Activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% sodium citrate and 25% sodium acetate.
(7) metalwork that the formation after activation has oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water under normal temperature,
The metalwork for being formed with oxide-film is soaked 180 seconds in coloring agent again, so that oxide-film adsorbs coloring agent.Wherein, coloring agent
Including 0.385 g/l of acid red 94,0.0115 g/l of acid black 172,0.00768 g/l of acid black 1 68,0.042
G/l acid orange 74 and water.
(8) formation after the dyeing for obtaining step (7) has the metalwork of oxide-film at normal temperatures in the water for being filled with water
Soaked 20 seconds in washing trough, then the metalwork of oxide-film will be formed with the aqueous solution for being filled with hole sealing agent under conditions of 90 DEG C
Soaked in sealing of hole groove 2100 seconds and carry out sealing pores.Wherein, the concentration of hole sealing agent is 10 g/l in the aqueous solution of hole sealing agent.Its
In, according to weight/mass percentage composition, hole sealing agent includes 75% nickel acetate, 20% complexing agent and 5% surfactant, complexing
Agent is citric acid.Surfactant is triethanolamine soap.
(9) metalwork that the formation after sealing pores has oxide-film is cleaned 20 seconds in the rinsing bowl for be filled with water, then
The metalwork for being formed with oxide-film is soaked 90 seconds in nitric acid under conditions of normal temperature, wherein, the concentration of nitric acid for 100 grams/
Rise.
(10) at normal temperatures by the formation that step (9) is obtained have the metalwork of oxide-film in the rinsing bowl for be filled with water it is clear
Wash 20 seconds, then under conditions of 70 DEG C ultrasonically treated 30 seconds in water, then clean under conditions of 70 DEG C 30 seconds in water, finally
Dried 1200 seconds in 70 DEG C, the metalwork after being dyed.Then the metalwork after dyeing is removed.
The color on the surface for the metalwork tested using color difference meter after the dyeing of the present embodiment, wherein, it is deep that L represents color
It is shallow；A is that positive number represents that partially red, negative number representation is partially green；B is that positive number represents that yellow, negative number representation is partially blue partially.And observe the gold after dyeing
The surface for belonging to part whether there is spot, to illustrate whether the color on surface of the metalwork after dyeing is uniform.
The spot phenomenon on the surface of the metalwork after the color on the surface of the metalwork after the dyeing of the present embodiment and dyeing
It is shown in Table 1.
Embodiment 2
The step of colouring method of the metalwork of the present embodiment, is as follows：
(1) metalwork is clamped on the hanger of transfer matic, first metalwork is soaked at normal temperatures and is filled with degreaser
Degreasing tank in, under conditions of 40 DEG C in degreaser soak 300 seconds.Wherein, according to weight/mass percentage composition, contain in degreaser
There are 35% organic acid sodium salt, 9% corrosion inhibiter and 12% complexing agent, wherein, organic acid sodium salt is sodium citrate, corrosion inhibiter
For ethylene glycol, complexing agent is sodium pyrophosphate.
(2) at normal temperatures, the metalwork after oil removing is soaked 20 seconds in the rinsing bowl for be filled with water, then at normal temperatures will
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film.Wherein, nitric acid and mixing except film
The concentration for closing the nitric acid in liquid is 240g/L, except the concentration of film is 120g/L.
(3) at normal temperatures, the metalwork of step (2) is soaked 20 seconds in the rinsing bowl for be filled with water, then by metalwork
Under the conditions of 85 DEG C, soaked 110 seconds in the chemical polishing bath for be filled with chemical polishing solution, to carry out chemical polishing.Wherein, change
It is 7 that optical polishing liquid, which includes phosphoric acid, additive and the mass ratio of phosphoric acid in sulfuric acid, and chemical polishing solution, additive and sulfuric acid,:2:
1, wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate, 15% polyethylene glycol, 20% sulfuric acid and
40% phosphoric acid.
(4) by the metalwork after polishing at normal temperatures in the rinsing bowl for be filled with water soak 20 seconds, then at normal temperatures
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film, then again at normal temperatures by metal
Part soaks 20 seconds in the rinsing bowl for be filled with water.Wherein, nitric acid and except in the mixed liquor of film, the concentration of nitric acid is
240g/L, except the concentration of film is 120g/L.
(5) under conditions of 19 DEG C, 15V, metalwork is aoxidized 2400 seconds in anodizing solution and carried out at anodic oxidation
Reason, so that the surface of metalwork forms porous oxide-film.Wherein, anodizing solution includes sulfuric acid and aluminium ion, anodic oxidation
Aluminum ions concentration in liquid is 6 g/l.Wherein, the concentration of sulfuric acid is 180 g/l in anodizing solution.
(6) metalwork for being formed with oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water at normal temperatures, then by shape
Into the metalwork for having oxide-film under conditions of 50 DEG C ultrasonically treated 180 seconds in activator so that oxide-film activate.Wherein,
Activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% sodium citrate and 25% sodium acetate.
(7) metalwork that the formation after activation has oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water under normal temperature,
The metalwork for being formed with oxide-film is soaked 180 seconds in coloring agent again, so that oxide-film adsorbs coloring agent.Wherein, coloring agent
Including 0.385 g/l of acid red 94,0.0115 g/l of acid black 172,0.00768 g/l of acid black 1 68,0.042
G/l acid orange 74,0.0015 milliliter/L buffer solution and water.Wherein, it is 4% comprising weight/mass percentage composition in buffer solution
Acetic acid and 32% sodium acetate.
(8) formation after the dyeing for obtaining step (7) has the metalwork of oxide-film at normal temperatures in the water for being filled with water
Soaked 20 seconds in washing trough, then the metalwork of oxide-film will be formed with the aqueous solution for being filled with hole sealing agent under conditions of 90 DEG C
Soaked in sealing of hole groove 2100 seconds and carry out sealing pores.Wherein, the concentration of hole sealing agent is 10 g/l in the aqueous solution of hole sealing agent.Its
In, according to weight/mass percentage composition, hole sealing agent includes 75% nickel acetate, 20% complexing agent and 5% surfactant.Complexing
Agent is citric acid.Surfactant is triethanolamine soap.
(9) metalwork that the formation after sealing pores has oxide-film is cleaned 20 seconds in the rinsing bowl for be filled with water, then
The metalwork for being formed with oxide-film is soaked 90 seconds in nitric acid under conditions of normal temperature, wherein, the concentration of nitric acid for 100 grams/
Rise.
(10) at normal temperatures by the formation that step (9) is obtained have the metalwork of oxide-film in the rinsing bowl for be filled with water it is clear
Wash 20 seconds, then under conditions of 70 DEG C ultrasonically treated 30 seconds in water, then clean under conditions of 70 DEG C 30 seconds in water, finally
Dried 1200 seconds in 70 DEG C, the metalwork after being dyed.Then the metalwork after dyeing is removed.
After color and dyeing that the surface of the metalwork after the dyeing of the present embodiment is obtained using the identical method of embodiment 1
The spot phenomenon on surface of metalwork be shown in Table 1.
Embodiment 3
The step of colouring method of the metalwork of the present embodiment, is as follows：
(1) metalwork is clamped on the hanger of transfer matic, first metalwork is soaked at normal temperatures and is filled with degreaser
Degreasing tank in, under conditions of 50 DEG C in degreaser soak 180 seconds.Wherein, according to weight/mass percentage composition, contain in degreaser
There are 35% organic acid sodium salt, 9% corrosion inhibiter and 12% complexing agent, wherein, organic acid sodium salt is sodium citrate, corrosion inhibiter
For ethylene glycol, complexing agent is sodium pyrophosphate.
(2) at normal temperatures, the metalwork after oil removing is soaked 20 seconds in the rinsing bowl for be filled with water, then at normal temperatures will
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film.Wherein, nitric acid and mixing except film
The concentration for closing the nitric acid in liquid is 240g/L, except the concentration of film is 120g/L.
(3) at normal temperatures, the metalwork of step (2) is soaked 20 seconds in the rinsing bowl for be filled with water, then by metalwork
Under the conditions of 85 DEG C, soaked 110 seconds in the chemical polishing bath for be filled with chemical polishing solution, to carry out chemical polishing.Wherein, change
It is 7 that optical polishing liquid, which includes phosphoric acid, additive and the mass ratio of phosphoric acid in sulfuric acid, and chemical polishing solution, additive and sulfuric acid,:2:
1, wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate, 15% polyethylene glycol, 20% sulfuric acid and
40% phosphoric acid.
(4) by the metalwork after polishing at normal temperatures in the rinsing bowl for be filled with water soak 20 seconds, then at normal temperatures
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film, then again at normal temperatures by metal
Part soaks 20 seconds in the rinsing bowl for be filled with water.Wherein, nitric acid and except in the mixed liquor of film, the concentration of nitric acid is
240g/L, except the concentration of film is 120g/L.
(5) under conditions of 19 DEG C, 15V, metalwork is aoxidized 2400 seconds in anodizing solution and carried out at anodic oxidation
Reason, so that the surface of metalwork forms porous oxide-film.Wherein, anodizing solution includes sulfuric acid and aluminium ion, anodic oxidation
Aluminum ions concentration in liquid is 6 g/l.Wherein, the concentration of sulfuric acid is 180 g/l in anodizing solution.
(6) metalwork for being formed with oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water at normal temperatures, then by shape
Into the metalwork for having oxide-film under conditions of 50 DEG C ultrasonically treated 180 seconds in activator so that oxide-film activate.Wherein,
Activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% sodium citrate and 25% sodium acetate.
(7) metalwork that the formation after activation has oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water under normal temperature,
The metalwork for being formed with oxide-film is soaked 180 seconds in coloring agent again, so that oxide-film adsorbs coloring agent.Wherein, coloring agent
Including 0.385 g/l of acid red 94,0.0115 g/l of acid black 172,0.00768 g/l of acid black 1 68,0.042
G/l acid orange 74,3 g/l of sodium sulphate and water.
(8) formation after the dyeing for obtaining step (7) has the metalwork of oxide-film at normal temperatures in the water for being filled with water
Soaked 20 seconds in washing trough, then the metalwork of oxide-film will be formed with the aqueous solution for being filled with hole sealing agent under conditions of 90 DEG C
Soaked in sealing of hole groove 2100 seconds and carry out sealing pores.Wherein, the concentration of hole sealing agent is 10 g/l in the aqueous solution of hole sealing agent.Its
In, according to weight/mass percentage composition, hole sealing agent includes 75% nickel acetate, 20% complexing agent and 5% surfactant.Complexing
Agent is citric acid.Surfactant is triethanolamine soap.
(9) metalwork that the formation after sealing pores has oxide-film is cleaned 20 seconds in the rinsing bowl for be filled with water, then
The metalwork for being formed with oxide-film is soaked 90 seconds in nitric acid under conditions of normal temperature, wherein, the concentration of nitric acid for 100 grams/
Rise.
(10) at normal temperatures by the formation that step (9) is obtained have the metalwork of oxide-film in the rinsing bowl for be filled with water it is clear
Wash 20 seconds, then under conditions of 70 DEG C ultrasonically treated 30 seconds in water, then clean under conditions of 70 DEG C 30 seconds in water, finally
Dried 1200 seconds in 70 DEG C, the metalwork after being dyed.Then the metalwork after dyeing is removed.
After color and dyeing that the surface of the metalwork after the dyeing of the present embodiment is obtained using the identical method of embodiment 1
The spot phenomenon on surface of metalwork be shown in Table 1.
Embodiment 4
The step of colouring method of the metalwork of the present embodiment, is as follows：
(1) metalwork is clamped on the hanger of transfer matic, first metalwork is soaked at normal temperatures and is filled with degreaser
Degreasing tank in, under conditions of 50 DEG C in degreaser soak 180 seconds.Wherein, according to weight/mass percentage composition, contain in degreaser
There are 35% organic acid sodium salt, 9% corrosion inhibiter and 12% complexing agent, wherein, organic acid sodium salt is sodium citrate, corrosion inhibiter
For ethylene glycol, complexing agent is sodium pyrophosphate.
(2) at normal temperatures, the metalwork after oil removing is soaked 20 seconds in the rinsing bowl for be filled with water, then at normal temperatures will
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film.Wherein, nitric acid and mixing except film
The concentration for closing the nitric acid in liquid is 240g/L, except the concentration of film is 120g/L.
(3) at normal temperatures, the metalwork of step (2) is soaked 20 seconds in the rinsing bowl for be filled with water, then by metalwork
Under the conditions of 85 DEG C, soaked 110 seconds in the chemical polishing bath for be filled with chemical polishing solution, to carry out chemical polishing.Wherein, change
It is 7 that optical polishing liquid, which includes phosphoric acid, additive and the mass ratio of phosphoric acid in sulfuric acid, and chemical polishing solution, additive and sulfuric acid,:2:
1, wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate, 15% polyethylene glycol, 20% sulfuric acid and
40% phosphoric acid.
(4) by the metalwork after polishing at normal temperatures in the rinsing bowl for be filled with water soak 20 seconds, then at normal temperatures
Metalwork is soaked 60 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film, then again at normal temperatures by metal
Part soaks 20 seconds in the rinsing bowl for be filled with water.Wherein, nitric acid and except in the mixed liquor of film, the concentration of nitric acid is
240g/L, except the concentration of film is 120g/L.
(5) under conditions of 19 DEG C, 15V, metalwork is aoxidized 2400 seconds in anodizing solution and carried out at anodic oxidation
Reason, so that the surface of metalwork forms porous oxide-film.Wherein, anodizing solution includes sulfuric acid and aluminium ion, anodic oxidation
Aluminum ions concentration in liquid is 6 g/l.Wherein, the concentration of sulfuric acid is 180 g/l in anodizing solution.
(6) metalwork for being formed with oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water at normal temperatures, then by shape
Into the metalwork for having oxide-film under conditions of 50 DEG C ultrasonically treated 180 seconds in activator so that oxide-film activate.Wherein,
Activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% sodium citrate and 25% sodium acetate.
(7) metalwork that the formation after activation has oxide-film is soaked 20 seconds in the rinsing bowl for be filled with water under normal temperature,
The metalwork for being formed with oxide-film is soaked 180 seconds in coloring agent again, so that oxide-film adsorbs coloring agent.Wherein, coloring agent
Including 0.385 g/l of acid red 94,0.0115 g/l of acid black 172,0.00768 g/l of acid black 1 68,0.042
G/l acid orange 74,0.0015 milliliter/L buffer solution, 3 g/l of sodium sulphate and water.Wherein, quality is included in buffer solution
Percentage composition is 3% acetic acid and 35% sodium acetate.
(8) formation after the dyeing for obtaining step (7) has the metalwork of oxide-film at normal temperatures in the water for being filled with water
Soaked 20 seconds in washing trough, then the metalwork of oxide-film will be formed with the aqueous solution for being filled with hole sealing agent under conditions of 90 DEG C
Soaked in sealing of hole groove 2100 seconds and carry out sealing pores.Wherein, the concentration of hole sealing agent is 10 g/l in the aqueous solution of hole sealing agent.Its
In, according to weight/mass percentage composition, hole sealing agent includes 75% nickel acetate, 20% complexing agent and 5% surfactant.Complexing
Agent is citric acid.Surfactant is triethanolamine soap.
(9) metalwork that the formation after sealing pores has oxide-film is cleaned 20 seconds in the rinsing bowl for be filled with water, then
The metalwork for being formed with oxide-film is soaked 90 seconds in nitric acid under conditions of normal temperature, wherein, the concentration of nitric acid for 100 grams/
Rise.
(10) at normal temperatures by the formation that step (9) is obtained have the metalwork of oxide-film in the rinsing bowl for be filled with water it is clear
Wash 20 seconds, then under conditions of 70 DEG C ultrasonically treated 30 seconds in water, then clean under conditions of 70 DEG C 30 seconds in water, finally
Dried 1200 seconds in 70 DEG C, the metalwork after being dyed.Then the metalwork after dyeing is removed.
After color and dyeing that the surface of the metalwork after the dyeing of the present embodiment is obtained using the identical method of embodiment 1
The spot phenomenon on surface of metalwork be shown in Table 1.
Embodiment 5
The step of colouring method of the metalwork of the present embodiment, is as follows：
(1) metalwork is clamped on the hanger of transfer matic, first metalwork is soaked at normal temperatures and is filled with degreaser
Degreasing tank in, under conditions of 40 DEG C in degreaser soak 300 seconds.Wherein, according to weight/mass percentage composition, contain in degreaser
There are 30% organic acid sodium salt, 10% corrosion inhibiter and 15% complexing agent.Wherein, organic acid sodium salt is sodium citrate, inhibition
Agent is the mixture of diethylene glycol and diethanol amine, and complexing agent is sodium pyrophosphate.
(2) at normal temperatures, the metalwork after oil removing is soaked 30 seconds in the rinsing bowl for be filled with water, then at normal temperatures will
Metalwork is soaked 30 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film.Wherein, nitric acid and mixing except film
The concentration for closing the nitric acid in liquid is 225g/L, except the concentration of film is 120g/L.
(3) at normal temperatures, the metalwork of step (2) is soaked 10 seconds in the rinsing bowl for be filled with water, then by metalwork
Under the conditions of 80 DEG C, soaked 150 seconds in the chemical polishing bath for be filled with chemical polishing solution, to carry out chemical polishing.Wherein, change
It is 7 that optical polishing liquid, which includes phosphoric acid, additive and the mass ratio of phosphoric acid in sulfuric acid, and chemical polishing solution, additive and sulfuric acid,:2:
1, wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate, 15% polyethylene glycol, 20% sulfuric acid and
40% phosphoric acid.
(4) metalwork after polishing is soaked 30 seconds in the rinsing bowl for be filled with water at normal temperatures, then at normal temperatures
Metalwork is soaked 30 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film, then again at normal temperatures by metal
Part soaks 10 seconds in the rinsing bowl for be filled with water.Wherein, nitric acid and except in the mixed liquor of film, the concentration of nitric acid is
225g/L, except the concentration of film is 120g/L.
(5) under conditions of 21 DEG C, 14V, metalwork is aoxidized 2700 seconds in anodizing solution and carried out at anodic oxidation
Reason, so that the surface of metalwork forms porous oxide-film.Wherein, anodizing solution includes sulfuric acid and aluminium ion, anodic oxidation
Aluminum ions concentration in liquid is 0.1 g/l.Wherein, the concentration of sulfuric acid is 170 g/l in anodizing solution.
(6) metalwork for being formed with oxide-film is soaked 30 seconds in the rinsing bowl for be filled with water at normal temperatures, then by shape
Into the metalwork for having oxide-film under conditions of 60 DEG C ultrasonically treated 120 seconds in activator so that oxide-film activate.Wherein,
Activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% sodium citrate and 25% sodium acetate.
(7) metalwork that the formation after activation has oxide-film is soaked 30 seconds in the rinsing bowl for be filled with water under normal temperature,
The metalwork for being formed with oxide-film is soaked 120 seconds in coloring agent again, so that oxide-film adsorbs coloring agent.Wherein, coloring agent
Including 0.285 g/l of acid red 94,0.0015 g/l of acid black 172,0.00868 g/l of acid black 1 68,0.032
G/l acid orange 74, the buffer solution of 0.0005 ml l, 1 g/l of sodium sulphate and water.Wherein, matter is included in buffer solution
Measure acetic acid and 28% sodium acetate that percentage composition is 6%.
(8) formation after the dyeing for obtaining step (7) has the metalwork of oxide-film at normal temperatures in the water for being filled with water
Soaked 30 seconds in washing trough, then the metalwork of oxide-film will be formed with the aqueous solution for being filled with hole sealing agent under conditions of 95 DEG C
Soaked in sealing of hole groove 1800 seconds and carry out sealing pores.Wherein, the concentration of hole sealing agent is 8g/L in the aqueous solution of hole sealing agent.Wherein,
According to weight/mass percentage composition, hole sealing agent includes 75% nickel acetate, 20% complexing agent and 5% surfactant.Complexing agent
For citric acid, surfactant is triethanolamine soap.
(9) metalwork that the formation after sealing pores has oxide-film is cleaned in the rinsing bowl for be filled with water at normal temperatures
30 seconds, then soak the metalwork for being formed with oxide-film in nitric acid 60 seconds under conditions of normal temperature, wherein, the concentration of nitric acid is
110 g/l.
(10) at normal temperatures by the formation that step (9) is obtained have the metalwork of oxide-film in the rinsing bowl for be filled with water it is clear
Wash 30 seconds, then under conditions of 60 DEG C ultrasonically treated 60 seconds in water, then clean under conditions of 60 DEG C 10 seconds in water, finally
Dried 900 seconds in 80 DEG C, the metalwork after being dyed.Then the metalwork after dyeing is removed.
After color and dyeing that the surface of the metalwork after the dyeing of the present embodiment is obtained using the identical method of embodiment 1
The spot phenomenon on surface of metalwork be shown in Table 1.
Embodiment 6
The step of colouring method of the metalwork of the present embodiment, is as follows：
(1) metalwork is clamped on the hanger of transfer matic, first metalwork is soaked at normal temperatures and is filled with degreaser
Degreasing tank in, under conditions of 60 DEG C in degreaser soak 60 seconds.Wherein, according to weight/mass percentage composition, contain in degreaser
There are 40% organic acid sodium salt, 8% corrosion inhibiter and 10% complexing agent.Wherein, corrosion inhibiter is ethylene glycol, and complexing agent is burnt phosphorus
Sour sodium.
(2) at normal temperatures, the metalwork after oil removing is soaked 10 seconds in the rinsing bowl for be filled with water, then at normal temperatures will
Metalwork is soaked 90 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film.Wherein, nitric acid and mixing except film
The concentration for closing the nitric acid in liquid is 255g/L, except the concentration of film is 120g/L.
(3) at normal temperatures, the metalwork of step (2) is soaked 30 seconds in the rinsing bowl for be filled with water, then by metalwork
Under the conditions of 90 DEG C, soaked 60 seconds in the chemical polishing bath for be filled with chemical polishing solution, to carry out chemical polishing.Wherein, change
It is 7 that optical polishing liquid, which includes phosphoric acid, additive and the mass ratio of phosphoric acid in sulfuric acid, and chemical polishing solution, additive and sulfuric acid,:2:
1, wherein, according to weight/mass percentage composition, in additive containing 5% copper sulphate, 15% polyethylene glycol, 20% sulfuric acid and
40% phosphoric acid.
(4) metalwork after polishing is soaked 10 seconds in the rinsing bowl for be filled with water at normal temperatures, then at normal temperatures
Metalwork is soaked 90 seconds in being filled with mouth in nitric acid and neutralization chamber except the mixed liquor of film, then by metalwork then at taking up
Have in the rinsing bowl of water and soak 30 seconds.Wherein, nitric acid and except in the mixed liquor of film, the concentration of nitric acid is 255g/L, except film
Concentration be 120g/L.
(5) under conditions of 17 DEG C, 16V, metalwork is aoxidized 2100 seconds in anodizing solution and carried out at anodic oxidation
Reason, so that the surface of metalwork forms porous oxide-film.Wherein, anodizing solution includes sulfuric acid and aluminium ion, anodic oxidation
Aluminum ions concentration in liquid is 13 g/l.Wherein, the concentration of sulfuric acid is 190 g/l in anodizing solution.
(6) metalwork for being formed with oxide-film is soaked 10 seconds in the rinsing bowl for be filled with water at normal temperatures, then by shape
Into the metalwork for having oxide-film under conditions of 40 DEG C ultrasonically treated 300 seconds in activator so that oxide-film activate.Wherein,
Activator includes water and solute, and according to weight/mass percentage composition, solute includes 75% sodium citrate and 25% sodium acetate.
(7) metalwork that the formation after activation has oxide-film is soaked 10~30 in the rinsing bowl for be filled with water under normal temperature
Second, then the metalwork for being formed with oxide-film is soaked 240 seconds in coloring agent, so that oxide-film adsorbs coloring agent.Wherein, dye
Agent include 0.485 g/l acid red 94,0.0215 g/l of acid black 172,0.00668 g/l of acid black 1 68,
0.052 g/l of acid orange 74, the buffer solution of 0.0025 ml l, 4 g/l of sodium sulphate and water.Wherein, wrapped in buffer solution
Containing the acetic acid and 32% sodium acetate that weight/mass percentage composition is 4%.
(8) formation after the dyeing for obtaining step (7) has the metalwork of oxide-film at normal temperatures in the water for being filled with water
Soaked 10 seconds in washing trough, then the metalwork of oxide-film will be formed with the aqueous solution for being filled with hole sealing agent under conditions of 90 DEG C
Soaked in sealing of hole groove 2400 seconds and carry out sealing pores.Wherein, the concentration of hole sealing agent is 12g/L in the aqueous solution of hole sealing agent.Wherein,
According to weight/mass percentage composition, hole sealing agent includes 75% nickel acetate, 20% complexing agent and 5% surfactant.Complexing agent
For citric acid, surfactant is triethanolamine soap.
(9) metalwork that the formation after sealing pores has oxide-film is cleaned in the rinsing bowl for be filled with water at normal temperatures
10 seconds, then soak the metalwork for being formed with oxide-film in nitric acid 120 seconds under conditions of normal temperature, wherein, the concentration of nitric acid
For 90 g/l.
(10) at normal temperatures by the formation that step (9) is obtained have the metalwork of oxide-film in the rinsing bowl for be filled with water it is clear
Wash 10 seconds, then under conditions of 80 DEG C ultrasonically treated 10 seconds in water, then clean under conditions of 80 DEG C 60 seconds in water, finally
Dried 1500 seconds in 60 DEG C, the metalwork after being dyed.Then the metalwork after dyeing is removed.
After color and dyeing that the surface of the metalwork after the dyeing of the present embodiment is obtained using the identical method of embodiment 1
The spot phenomenon on surface of metalwork be shown in Table 1.
Comparative example 1
The colouring method step of the metalwork of comparative example 1 is：0.255 g/l of acid red 94,0.0235 g/l of acid
Property black 172,0.00788 g/l of acid black 1 68,0.052 g/l of acid orange 74,0.0015 milliliter/L buffer solution and
2.5 g/l of sodium sulphate.Wherein, the acetic acid and 32% sodium acetate that weight/mass percentage composition is 4% are included in buffer solution.
The color on the surface for obtaining the metalwork after the dyeing of comparative example 1 using the identical method of testing of embodiment 1 is shown in Table
1。
Table 1 be the color on surface of the metalwork after the dyeing of embodiment 1~6 and comparative example 1, the color of rose golden and
The spot phenomenon on the surface of the metalwork after dyeing.
Table 1
From table 1 it follows that it is seen from the above data that a values and b values on the surface of the metalwork of embodiment 1~6
For comparative example 1, differ smaller with a values and b values of rose golden.And as can be seen that working as from embodiment 1~6
When also containing buffer solution and sodium sulphate in coloring agent, the surface immaculate of metalwork, more uniformly.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of colouring method of metalwork, it is characterised in that comprise the following steps：
Metalwork is subjected to anodized, so that the surface of the metalwork forms porous oxide-film；
The metalwork for being formed with the oxide-film is soaked 120~240 seconds in coloring agent, so that the oxide-film is adsorbed
The coloring agent, wherein, the coloring agent includes following component：0.285~0.485 g/l of acid red 94,0.0015~
0.0215 g/l of acid black 172,0.00668~0.00868 g/l of acid black 1 68 and 0.032~0.052 g/l
Acid orange 74；
The coloring agent also includes the buffer solution and 1~4 g/l of sodium sulphate of 0.0005~0.0025 ml l, the buffering
The acetic acid and 28~35% sodium acetate that weight/mass percentage composition is 3~6% are included in liquid.
2. the colouring method of metalwork according to claim 1, it is characterised in that the metalwork is subjected to anodic oxidation
The step of processing is：Under conditions of 17~21 DEG C, 14~16V, the metalwork aoxidizes in anodizing solution to 2100~
2700 seconds, wherein, the aluminum ions concentration contained in the anodizing solution in sulfuric acid and aluminium ion, the anodizing solution is
0.1~13 g/l.
3. the colouring method of metalwork according to claim 1, it is characterised in that in the institute by the oxide-film is formed with
Before stating the step of metalwork soaks in the coloring agent, in addition to the metalwork of the oxide-film will be formed with 40
Under conditions of~60 DEG C ultrasonically treated 120~300 seconds in activator, so that the oxide-film is activated, wherein, the activator
Including water and solute, according to weight/mass percentage composition, the solute includes 75% acylate and 25% acetate.
4. the colouring method of metalwork according to claim 1, it is characterised in that the part to be dyed is being subjected to anode
Before the step of oxidation processes, in addition to the step of the metalwork is carried out into oil removing in degreaser.
5. the colouring method of metalwork according to claim 1, it is characterised in that the metalwork is being subjected to anodic oxygen
Change processing the step of before, in addition to by the metalwork carry out chemical polishing the step of.
6. the colouring method of metalwork according to claim 1, it is characterised in that in the institute by the oxide-film is formed with
After stating the step of metalwork soaks in the coloring agent, in addition to sealing of hole is carried out to the metalwork for being formed with the oxide-film
The step of handling, then the metalwork that the formation after sealing pores has the oxide-film soaked in nitric acid.
7. the colouring method of metalwork according to claim 6, it is characterised in that in the gold to being formed with the oxide-film
Belong to after the step of part carries out sealing pores, the formation after sealing pores is had into the metalwork of the oxide-film in the nitric acid
Before the step of immersion, in addition to the step of washed to the metalwork that the formation after sealing pores has the oxide-film.
8. the colouring method of metalwork according to claim 6, it is characterised in that the formation after by sealing pores is
After the step of metalwork for stating oxide-film soaks in the nitric acid, in addition to the metalwork water that the oxide-film will be formed with
The step of washing, then be dried.
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| CN106435689A (en) * | 2016-10-13 | 2017-02-22 | 佛山市南海区大沥金珂电气材料厂 | Aluminum wire coloring agent composition and coloring method |
| CN106867275B (en) * | 2017-01-09 | 2019-05-17 | 广东长盈精密技术有限公司 | The colouring method of the aluminium alloy dyeing preparation method of black dyes, aluminium alloy |
| CN107130278B (en) * | 2017-05-22 | 2019-03-29 | 深圳市梦之坊通信产品有限公司 | The method for dyeing current mark suppressant additive and aluminum alloy anode dyeing |
| CN107815716B (en) * | 2017-09-12 | 2019-09-20 | 广东长盈精密技术有限公司 | The method that the surface of workpiece is handled |
| CN109837577A (en) * | 2017-11-24 | 2019-06-04 | 鸿富锦精密电子（成都）有限公司 | The surface treatment method and pre-dyeing treatment agent of metal works |
| CN107868971A (en) * | 2017-12-22 | 2018-04-03 | 江汉大学 | A kind of illuminating colour and aluminum alloy die casting green coloring method |
| CN110016705B (en) * | 2019-04-23 | 2021-03-05 | 绍兴市上虞嘉利盛助剂工业有限公司 | Dye liquor for dyeing anodic aluminum oxide, black dye composition and dyeing method |
| 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 |
| CN111621165B (en) * | 2020-06-16 | 2021-05-14 | 柏安美创新科技(广州)有限公司 | Preparation method of black aluminum alloy dye and aluminum alloy dyeing method thereof |
| CN112695358A (en) * | 2020-11-25 | 2021-04-23 | 云南昆船机械制造有限公司 | Electrochemical conductive oxidation process method for aluminum and aluminum alloy |
| CN113151876B (en) * | 2021-04-20 | 2022-05-06 | 深圳市曼特表面处理科技有限公司 | Stabilizing agent for aluminum alloy anodic dyeing and preparation method thereof |
| 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 |
| CN114369855B (en) * | 2021-12-28 | 2024-05-14 | 博罗县东明化工有限公司 | Anodic oxide film dyeing stabilizer and anodic oxide film dyeing method |
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