CN107937962A - A kind of aluminium alloy extrusions coloring process - Google Patents
A kind of aluminium alloy extrusions coloring process Download PDFInfo
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- CN107937962A CN107937962A CN201810004641.2A CN201810004641A CN107937962A CN 107937962 A CN107937962 A CN 107937962A CN 201810004641 A CN201810004641 A CN 201810004641A CN 107937962 A CN107937962 A CN 107937962A
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- aluminium alloy
- alloy extrusions
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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
- C25D11/20—Electrolytic after-treatment
- C25D11/22—Electrolytic after-treatment for colouring layers
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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
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
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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
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a kind of aluminium alloy extrusions coloring process, including：Aluminium alloy extrusions is presoaked in treatment fluid, presoaks time T0；Wherein, treatment fluid includes：4 8g/L of selenate, 12 20g/L of sulfuric acid, 1 2g/L of additive；The temperature for the treatment of fluid is 35 38 DEG C, and pH value is 0.6 0.8；By treatment fluid in the way of being exchanged after first direct current, power control processing.The aluminium alloy extrusions coloring process, matched by specific colouring slot liquid and technological parameter can obtain stable uniform, in golden yellow aluminium alloy extrusions；And by icp analysis technology, diagnostic data base is established, the reason for section bar coloring problem occurs can be gone out with quick diagnosis；The cost for replacing tank liquor in the prior art can be saved, and fundamentally solves aluminium alloy selenate coloring section bar produced problem in production.
Description
Technical field
The present invention relates to aluminium alloy extrusions production field, and in particular to a kind of aluminium alloy extrusions coloring process.
Background technology
Half admittedly selenate electrolytic coloring obtains golden yellow section bar, referred to as titanium color at home.There is first reaming after stain at present
With two kinds of electrolysis coloring processes of selenate electrolytic coloring.Selenate electrolysis coloring processes are will to have been carried out sulphuric acid oxidation coating
Aluminium additional alternating current in containing selenous acid coloring liquid, makes titanium color development, manufactures the aluminium method of strong homogeneous coloring.
In process of production, for tank liquor since preceding process brings impurity and the improper use in additive into, groove can be made
Liquid deteriorates, and a series of quality problems occur in the product of production, and such as upper and lower aberration, do not paint and spalling of oxide film technology
Problem.Current most common solution is the purpose that the tank liquor deteriorated by replacing a part realizes continuous production, but this
Fundamentally tank liquor can not be avoided to deteriorate, while replace tank liquor to cause that the production cost increases.
The content of the invention
Present invention seek to address that problem as described above.The object of the present invention is to provide a kind of aluminium alloy extrusions colourer
Skill, is matched by specific colouring slot liquid and technological parameter can be obtained in golden yellow aluminium alloy extrusions；And pass through ICP points
Analysis technology, establishes diagnostic data base, and the reason for section bar coloring problem occurs can be gone out with quick diagnosis；It can save in the prior art
The cost of tank liquor is replaced, and fundamentally solves aluminium alloy selenate coloring section bar produced problem in production.
According to an aspect of the present invention, the present invention provides a kind of aluminium alloy extrusions coloring process, including：
Aluminium alloy extrusions is presoaked in treatment fluid, presoaks time T0；Wherein, the treatment fluid includes：Selenate 4-8g/
L, sulfuric acid 12-20g/L, additive 1-2g/L；The temperature of the treatment fluid is 35-38 DEG C, pH value 0.6-0.8；By the place
Liquid is managed in the way of being exchanged after first direct current, power control processing.
Wherein, the power control comprises the following steps：The treatment fluid direct current is powered, in T1, will be straight in 20-40s
Galvanic electricity pressure rises to U16-10V, direct current duration T28-15s；Then the treatment fluid is exchanged and be powered, using 1：2 exchanges
Electricity, in T3In 5-15s, alternating voltage is risen into U215-19V, exchanges duration T4 150-190s。
Wherein, the T0For 30-90s；T1For 20s, U1For 8V；T2For 15s；T3For 10s, U2For 18V, T4For 150s.
Wherein, analysis is detected to the inorganic elements in the treatment fluid using ICP detection and analysis technology.
Wherein, need to carry out anodized to aluminium alloy extrusions before the coloring process；At the anodic oxidation
Reason liquid includes：Sulfuric acid 130-140g/L, aluminium ion 12-20g/L；The anodized specifically includes：At anodic oxidation
Reason liquid temperature degree is arranged to 15-25 DEG C；Anode oxidation treatment liquid energization is handled, current density 100-130A/m2, voltage 12-
16V, anodizing time 30min-35min.
Wherein, the anodized specifically includes：It it is 18-22 DEG C by anode oxidation treatment liquid temperature setting；By sun
Pole oxidation treatment liquid energization processing, current density 115-125A/m2, voltage 13-15V, anodizing time 30min-
35min。
Wherein, between the coloring process and the anodized, water-washing step is further included：The water-washing step
It is divided into three times；First wash pH is 0.8-1.2, and second wash pH value is 1.5-4.0, and third time washing uses pure water.
Wherein, the additive is 30% sulfuric acid, 98% selenium dioxide, the 1 of 98% copper sulphate：1：1 mixture.
The production technology of the titanium electrophoresis product provided according to another aspect of the present invention, including above-mentioned aluminium alloy
Section bar coloring process.
The aluminium alloy extrusions coloring process of the present invention, aluminium alloy extrusions is presoaked in treatment fluid, presoaks time 30-90s；
Wherein, treatment fluid includes：Selenate 4-8g/L, sulfuric acid 12-20g/L, additive 1-2g/L；The temperature for the treatment of fluid is 35-38 DEG C,
PH value is 0.6-0.8；By treatment fluid in the way of being exchanged after first direct current, power control processing.
Aluminium alloy extrusions is first presoaked into 30-90s in treatment fluid, is conducive to the quick progress of coloring.The additive amount of sulfuric acid
In 12-20g/L, primarily to the pH for adjusting treatment fluid is controlled in 0.6-0.8；When pH value is excessive, product fades；PH value mistake
When low, then it is unfavorable for colouring quick progress.
Additive is colouring aid, is the key factor for controlling product colour.Using the additive of the application content range
Can be that product colour is stable, homogeneous；If not in the range of, the color of stable homogeneous can not be obtained.Additive for 30% sulfuric acid,
The 1 of 98% selenium dioxide, 98% copper sulphate：1：1 mixture.The mixture of the proportioning is used to ensure that it is equal to produce product
First, the golden yellow product stablized.When sulfuric acid or copper sulphate ratio increase, or component is in the proportioning, the product coloring of production
Unstable, different batches of product aberration is larger.
By the temperature control for the treatment of fluid at 35-38 DEG C, mainly consider that temperature is too low and be unfavorable for colouring quick progress, it is excessive
The volatilization of selenate is be easy to cause, increases cost；Production line is equipped with heating and cooling equipment to meet the needs of technique at the same time.
Power control comprises the following steps：Treatment fluid direct current is powered, in T1In 20-40s, DC voltage is risen into U1
6-10V, direct current duration T28-15s；Then the treatment fluid is exchanged and be powered, using 1：2 alternating currents, in T3 5-15s
It is interior, alternating voltage is risen into U215-19V, exchanges duration T4150-190s.Preferably, in 20s, by DC voltage liter
To 8V, direct current duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, 18V is risen to by alternating voltage, is handed over
Flow duration 150s.First direct current energization is mainly the effect by direct current, repairs the barrier layer of anode oxide film；Pass through elder generation
Logical direct current exchanges again, formulates suitable electricity parameters, can effectively prevent from peeling off in alternating current coloring process Anodic Oxide Film.
In process of production, tank liquor due to before coloring process bring the reasons such as the improper use of impurity and additive, meeting into
Deteriorate tank liquor.The present invention is using ICP (Inductively Coupled Plasma) detection and analysis technologies, in treatment fluid
Inorganic elements carries out qualitative and quantitative detecting analysis, finds in treatment fluid containing impurity elements such as copper, nickel.Further, pass through
The method for controlling variable, observation copper, the influence of nickel, sodium, aluminium these four elements to section bar color；Set the management and control model of foreign ion
The introducing enclosed and take certain measure to prevent foreign ion, avoids the deterioration for the treatment of fluid.
The present invention needs to carry out anodized to aluminium alloy extrusions before coloring process；Anode oxidation treatment liquid bag
Include：Sulfuric acid 130-140g/L, aluminium ion 12-20g/L；
Anodized specifically includes：It it is 15-25 DEG C by anode oxidation treatment liquid temperature setting；By anodized
Liquid energization is handled, current density 100-130A/m2, voltage 12-16V, anodizing time 30min-35min.
Preferably, anode oxidation treatment liquid includes：Sulfuric acid 130-140g/L, aluminium ion 12-20g/L；
Anodized specifically includes：It it is 18-22 DEG C by anode oxidation treatment liquid temperature setting；By anodized
Liquid energization is handled, current density 115-125A/m2, voltage 13-15V, anodizing time 30min-35min.
Anodic oxidation can be effectively prevented from by selecting above treatment fluid temperature, current density and voltage parameter range to set
During the loose situation of oxide-film appearance, and avoid the problem that section bar coloring the extremely difficult colouring of process.
Between coloring process and anodized, water-washing step is further included, is divided into three times：First wash pH is
0.8-1.2, second wash pH value are 1.5-4.0, and third time washing uses pure water.First wash and second wash control
The pH value sulfuric acid control that to be all workpiece bring into from oxidation operation, the purpose that third time pure water is washed is to further clean oxidation
Sulfuric acid in fenestra.The sulfuric acid residual that can effectively go oxide film dissolving aerial by washing three times.Wherein, pure water is water purification machine
The water that RO membrane tubes make, electrical conductivity control are less than 200 μ s/cm2。
A kind of production technology of titanium electrophoresis product, comprises the following steps：
Degreasing：The oil removing process of workpiece is acted on, 250-350s is handled under room temperature, then tap water washing 50-70s；
Caustic corrosion：NaOH solution concentration is 40-50g/L's, and 250-350s, tap water washing 50- are handled at 45-55 DEG C
70s, again tap water washing 20-40s；
Neutralize：Sulfuric acid concentration is 200-240g/L, in room temperature and 100-200s, pure water washing 5-15s；
Anodic oxidation：Above-mentioned anodic oxidation condition is selected, first time tap water washing 80-100s, wash for the second time originally
Water washing 50-70s, pure water wash 50-70s；
Coloring：Select the aluminium alloy extrusions coloring process of the present invention, tap water washing 100-140s, tap water washing 100-
140s, pure water wash 100-140s；
Soup is washed and water is cut：(electrical conductivity is less than 100 μ s/cm to pure water washing 220-260s at 60-70 DEG C2)；Water cuts (section bar electricity
The drip-dry time before swimming) 550-650s；
There are photoelectrophoresis：18-20 DEG C of liquid temperature, resin solid 6.0-8.0, conductivity 450-850, pH 7.6-8.3, TA
(amine value) 20-30, AV (acid number) 15-25, amine mole ratio 0.75-0.95, (electrical conductivity is less than 100 μ s/cm for pure water washing2)
160-200s, (electrical conductivity is less than 100 μ s/cm for pure water washing2)50-70s；
Liquid cuts (drip-dry time after section bar electrophoresis) 550-650s；Cure 2000-2200s at 220-260 DEG C.
This production technology controls important procedure by pure water, avoids impurity from bringing colouring slot liquid into, ensure that color-tinted product face
Color is homogeneous, stablizes.
Being described below for embodiment is read with reference to the drawings, other property features of the invention and advantage will become clear
It is clear.
Brief description of the drawings
It is incorporated into specification and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and with
Description is used to explain the principle of the present invention together, and in the drawings, similar reference numeral is used to represent similar key element, under
Attached drawing in the description of face is some embodiments of the present invention, rather than whole embodiments, is come for those of ordinary skill in the art
Say, without creative efforts, other attached drawings can be obtained according to these attached drawings.
Fig. 1 shows the direct current conductive waveform figure of coloring process according to the present invention；
Fig. 2 shows the exchange conductive waveform figure of coloring process according to the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work, belong to the scope of protection of the invention.Need
Illustrate, in the case where there is no conflict, the feature in embodiment and embodiment in the application can be mutually combined.
The aluminium alloy extrusions coloring process of the present invention, including：Aluminium alloy extrusions is presoaked in treatment fluid, presoaks the time
30-90s；Wherein, treatment fluid includes：Selenate 4-8g/L, sulfuric acid 12-20g/L, additive 1-2g/L；The temperature for the treatment of fluid is
35-38 DEG C, pH value 0.6-0.8；By treatment fluid in the way of being exchanged after first direct current, power control processing.Wherein, additive
For 30% sulfuric acid, 98% selenium dioxide, 98% copper sulphate 1：1：1 mixture.
Power control specifically includes following steps：Treatment fluid direct current is powered, in 20s, DC voltage is risen into 8V, directly
Flow duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, rise to 18V, when exchange continues by alternating voltage
Between 150s.
Need to carry out anodized to aluminium alloy extrusions before coloring process；Anode oxidation treatment liquid includes：Sulfuric acid
130-140g/L, aluminium ion 12-20g/L；Anodized specifically includes：It is 15- by anode oxidation treatment liquid temperature setting
25℃；Anode oxidation treatment liquid energization is handled, current density 100-130A/m2, voltage 12-16V, anodizing time is
30min-35min。
Using the technological process of production of the titanium electrophoresis product of above-mentioned aluminium alloy extrusions coloring process production, including following step
Suddenly：Degreasing 300s, tap water washing 60s；The NaOH solution caustic corrosion 300s for being 45g/L with concentration at 50 DEG C, tap water washing
60s, tap water washing 30s；In the sulfuric acid room temperature for being 220g/L with concentration and 150s, pure water wash 10s；Anodic oxidation, first
Secondary tap water washing 90s, second tap water washing 60s, pure water wash 60s；Aluminium alloy extrusions coloring process, tap water washing
120s, tap water washing 120s, pure water wash 120s；Pure water washes 240s at 60-70 DEG C；Water cuts 600s；There are photoelectrophoresis, pure water water
Wash 180s, pure water washing 60s；Liquid cuts 600s；Cure 2100s at 240 DEG C.
Embodiment
Embodiment 1
Aluminium alloy extrusions is presoaked into 30s in treatment fluid, treatment fluid includes：Selenate 4g/L, sulfuric acid 12g/L, additive
1g/L；Treatment fluid temperature is 35 DEG C, pH value 0.8；Treatment fluid direct current is powered, in 20s, DC voltage is risen into 8V, directly
Flow duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, rise to 18V, when exchange continues by alternating voltage
Between 150s.
Embodiment 2
Aluminium alloy extrusions is presoaked into 60s in treatment fluid, treatment fluid includes：Selenate 5g/L, sulfuric acid 14g/L, additive
1.2g/L；Treatment fluid temperature is 36 DEG C, pH value 0.8；Treatment fluid direct current is powered, in 20s, DC voltage is risen into 8V,
Direct current duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, rise to 18V, exchange continues by alternating voltage
Time 150s.
Embodiment 3
Aluminium alloy extrusions is presoaked into 70s in treatment fluid, treatment fluid includes：Selenate 7g/L, sulfuric acid 18g/L, additive
1.8g/L；Treatment fluid temperature is 37 DEG C；PH value is 0.7；Treatment fluid direct current is powered, in 20s, DC voltage is risen into 8V,
Direct current duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, rise to 18V, exchange continues by alternating voltage
Time 150s.
Embodiment 4
Aluminium alloy extrusions is presoaked into 90s in treatment fluid, treatment fluid includes：Selenate 8g/L, sulfuric acid 20g/L, additive
2g/L；Treatment fluid temperature is 38 DEG C；PH value is 0.8；Treatment fluid direct current is powered, in 20s, DC voltage is risen into 8V, directly
Flow duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, rise to 18V, when exchange continues by alternating voltage
Between 150s.
Embodiment 5
Aluminium alloy extrusions is presoaked into 80s in treatment fluid, treatment fluid includes：Selenate 6g/L, sulfuric acid 13g/L, additive
1.9g/L；Treatment fluid temperature is 37 DEG C；PH value is 0.7；Treatment fluid direct current is powered, in 20s, DC voltage is risen into 8V,
Direct current duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, rise to 18V, exchange continues by alternating voltage
Time 150s.
Embodiment 6
Aluminium alloy extrusions is presoaked into 50s in treatment fluid, treatment fluid includes：Selenate 4.5g/L, sulfuric acid 17g/L, addition
Agent 1.5g/L；Treatment fluid temperature is 35.5 DEG C；PH value is 0.7；Treatment fluid direct current is powered, in 20s, DC voltage is risen to
8V, direct current duration 15s；Then exchange is powered, using 1：2 alternating currents, in 10s, 18V is risen to by alternating voltage, exchange
Duration 150s.
The product prepared using above example technological parameter is rendered as the golden yellow of stable uniform.
Contrast test example
Test case
Using ICP detection techniques, tank liquor impurity is analyzed, it is known that contain the impurity elements such as copper, nickel in tank liquor.Then
Using the technological process of production of titanium electrophoresis product, by changing copper in coloring liquid, nickel, sodium, aluminum ions content respectively, it incite somebody to action this
Invention aluminium section bar finished product is detected using color difference meter, and color difference meter parameter has L, A, B tri-.Wherein, using 6063 aluminium alloy types
Material, anodic oxidation is carried out using currently preferred anodized technique；Obtained sample workpiece is using the present invention
Color technique carries out selenate coloring.
Wherein, L values represent lightness, and numerical value is more big whiter, and numerical value is smaller more black；A values represent red, and numerical value is more big redder；B
Value represents yellow, and numerical value is more big more yellow.It should be noted that above-mentioned L, A, B expression is relative value.For the ease of research, people
For regulation color it is most deep be denoted as 6 points, color it is most shallow be denoted as 1 point, statistical result is shown in Table 1-4.
1 nickel ion content of table is to Color influences
2 content of copper ion of table is to Color influences
3 sodium ions content of table is to Color influences
4 aluminium composition of table is to Color influences
Result can see from upper table：Nickel ion can influence glossiness and shade, and nickel ion is higher, gained into
Product color is more shallow, and glossiness is lower.When selenate section bar does not produce, necessity carries out cover slot measure, prevents nickel strap from entering.General
Anodic oxidation production line has nickel coloring or other coloring processes, because nickel coloring treatment is more harsh for ion management；So
Nickel coloring treatment groove is generally positioned in front of titanium coloring groove, and aluminium section bar is easy to nickel element can be brought into after nickel coloring treatment
Titanium colours groove, therefore, takes cover slot measure necessary.
Element contained by additive is mainly copper ion and organic additive, and additive level is higher, gained finished color trend
From shallow to deep, addition additive is continued thereafter with, color change tends to gentle.The additive of content range of the present invention is selected, can be with
Effectively content of copper ion should be controlled in 800-1200ppm so that section bar coloring is homogeneous, stablizes.
There is oxide-film peeling more than 40ppm, workpiece when colouring in sodium ions content.Therefore, strictly control coloring adds
Add the content of agent raw material so that sodium content is less than 10ppm.Aluminium composition is little to selenate coloration effects.
In conclusion a kind of aluminium alloy extrusions coloring process provided according to the present invention, is matched somebody with somebody by specific colouring slot liquid
Than and technological parameter can with obtain in golden yellow aluminium alloy extrusions；And by icp analysis technology, establish diagnostic data
Storehouse, can go out the reason for section bar coloring problem occurs with quick diagnosis；The cost for replacing tank liquor in the prior art can be saved, and
Fundamentally solve aluminium alloy selenate coloring section bar produced problem in production.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within protection scope of the present invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (9)
1. a kind of aluminium alloy extrusions coloring process, it is characterised in that the coloring process includes：
Aluminium alloy extrusions is presoaked in treatment fluid, presoaks time T0；
Wherein, the treatment fluid includes：Selenate 4-8g/L, sulfuric acid 12-20g/L, additive 1-2g/L；The temperature of the treatment fluid
Spend for 35-38 DEG C, pH value 0.6-0.8；
By the treatment fluid in the way of being exchanged after first direct current, power control processing.
2. aluminium alloy extrusions coloring process as claimed in claim 1, it is characterised in that the power control includes following step
Suddenly：The treatment fluid direct current is powered, in T1In 20-40s, DC voltage is risen into U16-10V, direct current duration T2 8-
15s；Then the treatment fluid is exchanged and be powered, using 1：2 alternating currents, in T3In 5-15s, alternating voltage is risen into U2 15-
19V, exchanges duration T4 150-190s。
3. aluminium alloy extrusions coloring process as claimed in claim 2, it is characterised in that the T0For 30-90s；T1For 20s, U1
For 8V；T2For 15s；T3For 10s, U2For 18V, T4For 150s.
4. aluminium alloy extrusions coloring process as claimed in claim 2, it is characterised in that test and analyze technology to institute using ICP
State the inorganic elements in treatment fluid and be detected analysis.
5. aluminium alloy extrusions coloring process as claimed in claim 1, it is characterised in that needed before the coloring process to aluminium
Alloy profile carries out anodized；
The anode oxidation treatment liquid includes：Sulfuric acid 130-140g/L, aluminium ion 12-20g/L；
The anodized specifically includes：
It it is 15-25 DEG C by anode oxidation treatment liquid temperature setting；
Anode oxidation treatment liquid energization is handled, current density 100-130A/m2, voltage 12-16V, anodizing time is
30min-35min。
6. aluminium alloy extrusions coloring process as claimed in claim 5, it is characterised in that
The anodized specifically includes：
It it is 18-22 DEG C by anode oxidation treatment liquid temperature setting；
Anode oxidation treatment liquid energization is handled, current density 115-125A/m2, voltage 13-15V, anodizing time is
30min-35min。
7. the aluminium alloy extrusions coloring process as described in claim 5 or 6, it is characterised in that in the coloring process and described
Between anodized, water-washing step is further included：
The water-washing step is divided into three times；First wash pH is 0.8-1.2, and second wash pH value is 1.5-4.0, third time
Washing uses pure water.
8. aluminium alloy extrusions coloring process as claimed in claim 1, it is characterised in that the additive for 30% sulfuric acid,
The 1 of 98% selenium dioxide, 98% copper sulphate：1：1 mixture.
9. a kind of production technology of titanium electrophoresis product, it is characterised in that the production technology is included as in claim 1~8
Any one of them aluminium alloy extrusions coloring process.
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Cited By (7)
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|---|---|---|---|---|
| CN108560000A (en) * | 2018-06-26 | 2018-09-21 | 广东坚美铝型材厂（集团）有限公司 | A kind of method for demoulding and rework preocess of electrophoresis proximate matter |
| CN108754581A (en) * | 2018-06-26 | 2018-11-06 | 广东坚美铝型材厂（集团）有限公司 | A kind of method for demoulding and reworking method of electrophoresis proximate matter |
| CN110158136A (en) * | 2019-06-20 | 2019-08-23 | 浙江康飞思医疗科技有限公司 | A kind of aluminium electrolytic coloring titanium color surface treatment method |
| CN110592638A (en) * | 2019-09-17 | 2019-12-20 | 佛山市海化表面处理科技有限公司 | Anodic oxidation electrolytic coloring process for aluminum and aluminum alloy |
| CN110699731A (en) * | 2019-09-30 | 2020-01-17 | 佛山科学技术学院 | Preparation method of aluminum alloy-based colorful composite oxide film with three-layer microstructure |
| CN112301398A (en) * | 2020-09-29 | 2021-02-02 | 九牧厨卫股份有限公司 | Preparation method of golden film |
| CN112442697A (en) * | 2020-11-17 | 2021-03-05 | 成都阳光铝制品有限公司 | Colored aluminum material anti-corrosion method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152633A (en) * | 1996-08-21 | 1997-06-25 | 邓维鹏 | Eletrolytic colouring technology for golden colour aluminium alloy selenide |
| CN1251396A (en) * | 1999-10-29 | 2000-04-26 | 南海市绍祥铜铝合金型材厂 | Electrophoretic titanium-golden yellow alluminium alloy section material processing method |
| CN1251395A (en) * | 1999-10-26 | 2000-04-26 | 南海市绍祥铜铝合金型材厂 | Titanium-golden yellow alumium alloy colouring processing method |
| CN102330137A (en) * | 2011-09-03 | 2012-01-25 | 广亚铝业有限公司 | Inorganic colorful electrolysis coloring technology for aluminium profile anodic oxide film |
| CN102817060A (en) * | 2012-08-18 | 2012-12-12 | 佛山金兰铝厂有限公司 | Fading proof process for aluminum alloy electrophoresis titanium gold |
| CN104313660A (en) * | 2014-10-31 | 2015-01-28 | 湖州织里天荣铝材添加剂厂 | Novel aluminum alloy tin salt coloring process and coloring solution |
| CN106086986A (en) * | 2016-08-28 | 2016-11-09 | 李金� | A kind of control method of aluminium section bar electrolytic coloring power supply |
-
2018
- 2018-01-03 CN CN201810004641.2A patent/CN107937962A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152633A (en) * | 1996-08-21 | 1997-06-25 | 邓维鹏 | Eletrolytic colouring technology for golden colour aluminium alloy selenide |
| CN1251395A (en) * | 1999-10-26 | 2000-04-26 | 南海市绍祥铜铝合金型材厂 | Titanium-golden yellow alumium alloy colouring processing method |
| CN1251396A (en) * | 1999-10-29 | 2000-04-26 | 南海市绍祥铜铝合金型材厂 | Electrophoretic titanium-golden yellow alluminium alloy section material processing method |
| CN102330137A (en) * | 2011-09-03 | 2012-01-25 | 广亚铝业有限公司 | Inorganic colorful electrolysis coloring technology for aluminium profile anodic oxide film |
| CN102817060A (en) * | 2012-08-18 | 2012-12-12 | 佛山金兰铝厂有限公司 | Fading proof process for aluminum alloy electrophoresis titanium gold |
| CN104313660A (en) * | 2014-10-31 | 2015-01-28 | 湖州织里天荣铝材添加剂厂 | Novel aluminum alloy tin salt coloring process and coloring solution |
| CN106086986A (en) * | 2016-08-28 | 2016-11-09 | 李金� | A kind of control method of aluminium section bar electrolytic coloring power supply |
Non-Patent Citations (2)
| Title |
|---|
| 吕雪飞: ""铝合金阳极氧化电解着色工艺研究"", 《吉林化工学院学报》 * |
| 李鑫庆 等: "《金属化学转化膜实用手册》", 31 March 2016, 机械工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560000A (en) * | 2018-06-26 | 2018-09-21 | 广东坚美铝型材厂（集团）有限公司 | A kind of method for demoulding and rework preocess of electrophoresis proximate matter |
| CN108754581A (en) * | 2018-06-26 | 2018-11-06 | 广东坚美铝型材厂（集团）有限公司 | A kind of method for demoulding and reworking method of electrophoresis proximate matter |
| CN110158136A (en) * | 2019-06-20 | 2019-08-23 | 浙江康飞思医疗科技有限公司 | A kind of aluminium electrolytic coloring titanium color surface treatment method |
| CN110158136B (en) * | 2019-06-20 | 2020-06-16 | 浙江康飞思医疗科技有限公司 | Aluminum electrolytic coloring titanium golden surface treatment method |
| CN110592638A (en) * | 2019-09-17 | 2019-12-20 | 佛山市海化表面处理科技有限公司 | Anodic oxidation electrolytic coloring process for aluminum and aluminum alloy |
| CN110699731A (en) * | 2019-09-30 | 2020-01-17 | 佛山科学技术学院 | Preparation method of aluminum alloy-based colorful composite oxide film with three-layer microstructure |
| CN112301398A (en) * | 2020-09-29 | 2021-02-02 | 九牧厨卫股份有限公司 | Preparation method of golden film |
| CN112442697A (en) * | 2020-11-17 | 2021-03-05 | 成都阳光铝制品有限公司 | Colored aluminum material anti-corrosion method |
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