CN106381516A - Aluminum-plastic composite panel coloring treatment method based on electrolytic coloring technology - Google Patents
Aluminum-plastic composite panel coloring treatment method based on electrolytic coloring technology Download PDFInfo
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- CN106381516A CN106381516A CN201610791312.8A CN201610791312A CN106381516A CN 106381516 A CN106381516 A CN 106381516A CN 201610791312 A CN201610791312 A CN 201610791312A CN 106381516 A CN106381516 A CN 106381516A
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- Prior art keywords
- composited aluminum
- plastic decking
- degreasing
- aluminum
- coloring
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Classifications
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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
- C25D11/14—Producing integrally coloured layers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Disclosed is an aluminum-plastic composite panel coloring treatment method based on an electrolytic coloring technology. According to the method, the three steps of spray degreasing, brush degreasing and dipping degreasing are adopted to conduct degreasing on an aluminum-plastic composite panel, and degreasing is more thorough; due to the fact that the aluminum-plastic composite panel is oxidized by the use of a sulfuric acid direct-current anodic oxidation method, the production cost is low, the electricity is saved, oxidized waste liquid is conveniently treated, and a membrane layer oxidized by the sulfuric acid direct-current anodic oxidation method is high in transparency, corrosion resistance and abrasion resistance, is harder, and is higher in density and more stable in structure; and a tin salt solution serves as an electrolytic solution and conducts alternating-current electrolytic coloring on the aluminum-plastic composite panel, operation is easy, the obtained color range is wide, various colors including the bronze, the yellow, the antique brass, the brown and the black can be obtained as long as the coloring time is controlled, the colors are uniform, and the influence of environmental pollution is relatively little.
Description
Technical field
The invention belongs to aluminium sheet production technical field, it is related to a kind of composited aluminum and plastic decking coloring treatment process, specifically a kind of
Composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology.
Background technology
Composited aluminum and plastic decking, as a kind of new material, has low price, of many uses, easy construction, sophisticated technologies etc.
Feature, application aluminium sheet has very good fire line, just because such as through chemical treatment as the skin-material of composited aluminum and plastic decking
This, favored by vast building trade.
Aluminium-plastic panel species is relatively more, and sorting technique also differs, and to divide according to its purposes and can be divided into building curtain wall plastic-aluminum
Plate, decoration of exterior wall and advertisement aluminium-plastic panel and indoor aluminium-plastic panel；Function according to product to be divided and can be divided into PLASTIC LAMINATED, antibacterial
Antifouling mould aluminium sheet and antistatic mould aluminium sheet；To classify according to surface decoration effect and coating decoration can be divided into mould aluminium sheet, aoxidize
Color is moulded aluminium sheet, pad pasting decoration composite plate, colour printed is moulded aluminium sheet, wire drawing aluminium-plastic panel and minute surface aluminium-plastic panel.
The performance of composited aluminum and plastic decking is very many, is processed easily due to its superpower splitting, material, fire line resistance to punching by force
Hit, the feature of super-weathering resistance and easy maintenance, be often used in the raw material building building exposed wall, stress results at present or non-
Chang Keguan's, also it is applied to the decoration of balcony, room and indoor compartment simultaneously, or even include inner wall decoration panel, advertisement
Board, ceiling etc., its industrial use is also very wide.
With expanding economy, composited aluminum and plastic decking has enjoyed pro-gaze as construction material, be frequently used for high building wall,
Bedroom, corridor dividing plate, billboard etc., in the face of so big demand while, also bring huge to composited aluminum and plastic decking coloring process
Big challenge, existing process haves such problems as that color is single, coloring process is poor, stability is poor, easily fades.
Content of the invention
The present invention be directed to the deficiencies in the prior art, there is provided a kind of based on the composited aluminum and plastic decking coloring of electrolytic colouring technology at
Reason method,
The purpose of the present invention can be achieved through the following technical solutions：
Based on the composited aluminum and plastic decking coloring treatment process of electrolytic colouring technology, comprise the following steps：
Step S1, carries out ungrease treatment to composited aluminum and plastic decking first；
Step S2, washes to the composited aluminum and plastic decking through degreasing, cleaning and degreasing raffinate；
Step S3, is neutralized process using oxidizing acid agent to the composited aluminum and plastic decking through washing, and its temperature is 15-30
℃；
Step S4, carries out secondary washing, cleaning neutralization raffinate to the composited aluminum and plastic decking through neutralisation treatment；
Step S5, after composited aluminum and plastic decking is dried, is aoxidized using sulfuric acid DC anodizing method；
Step S6, washes again to through snperoxiaized composited aluminum and plastic decking, cleans oxidized residual liquid；
Step S7, composited aluminum and plastic decking is immersed in electrolytic solution and is lifted for several times up and down, and stand 1 minute；
Step S8, carries out electrolytic coloring using alternating current-direct current coloring silicon machine to the composited aluminum and plastic decking being immersed in electrolytic solution；
Step S9, using middle temperature hole sealing technology to the composited aluminum and plastic decking surface-sealing through electrolytic coloring；
Step S10, washes again to the composited aluminum and plastic decking through surface-sealing, cleans residual electrolyte, and dries, complete
Become coloring.
Further, in described step S1, first passing through spray pump, that alkalescence degreaser is sprayed composited aluminum and plastic decking is enterprising
Row spray degreasing, spray degreasing temperature is 50-55 DEG C；
Then neutral degreaser pressurized spray is scrubbed following table on composited aluminum and plastic decking on composited aluminum and plastic decking and with brush roll
Face, carries out hairbrush degreasing；
Then aluminium flake is immersed in neutral degreaser and carries out dipping degreasing, reach the purpose of thorough degreasing, dipping degreasing
Temperature is 50-55 DEG C.
Further, in described step S5, the temperature of anodic oxidation solution is less than 22 DEG C.
Further, in described step S7, electrolytic solution adopts tin-salt solution, including the SnSO of 18-20g/L4、18-
The H of 20g/L2SO4, and 30-35g/L phenol sulfonic acid, its pH value be 0.8-1.0.
Further, in described step S8, decomposition voltage increases to 15V with the speed of 0.35V/S from zero, and electrolysis temperature is 20
DEG C, electrolysis time is 3-5 minute.
Further, described step S9, main hole sealing agent is nickel acetate.
Beneficial effects of the present invention：The present invention adopts spray degreasing, hairbrush degreasing and dipping degreasing three step to plastic-aluminum combined
Plate carries out degreasing, and degreasing is more thorough；By using sulfuric acid DC anodizing method, composited aluminum and plastic decking is aoxidized, production cost
Low, power saving, the process of the liquid waste after oxidation is convenient, and the film layer transparency of sulfuric acid DC anodizing method oxidation is high,
Corrosion resistance and wearability are higher, and film layer is harder, and density is higher, and structure is more stable；Using tin-salt solution as electrolytic solution
Composited aluminum and plastic decking is carried out with ac electrolytic coloring, simple to operate, gained color and luster wider range, as long as control coloration time so that it may
To obtain by bronze to yellow to bronze-colored, brown, finally for the shades of colour of black, and color and luster is very uniform, to environment
The impact of pollution is less.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
The invention provides a kind of composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology, walk including following
Suddenly：
Step S1, carries out ungrease treatment to composited aluminum and plastic decking first, first passes through spray pump and sprays alkalescence degreaser
Spray degreasing is carried out on composited aluminum and plastic decking, spray degreasing temperature is 50-55 DEG C, then by neutral degreaser pressurized spray to plastic-aluminum
Scrub composited aluminum and plastic decking upper and lower surface in composite plate and with brush roll, carry out hairbrush degreasing, then aluminium flake is immersed in neutral de-
Carry out dipping degreasing in fat liquid, reach the purpose of thorough degreasing, dipping degreasing temperature is 50-55 DEG C.
Step S2, washes to the composited aluminum and plastic decking through degreasing, cleaning and degreasing raffinate.
Step S3, is neutralized process using oxidizing acid agent to the composited aluminum and plastic decking through washing, and its temperature is 15-30
℃.
Step S4, carries out secondary washing, cleaning neutralization raffinate to the composited aluminum and plastic decking through neutralisation treatment.
Step S5, after composited aluminum and plastic decking is dried, is aoxidized using sulfuric acid DC anodizing method；Wherein, anodic oxygen
The temperature changing solution is less than 22 DEG C, keeps oxide-film uniform.Using sulfuric acid DC anodizing method, low production cost, in oxygen
During change, electric current is little, power saving, and the process of the liquid waste after oxidation is convenient, and the oxidation of sulfuric acid DC anodizing method
Film layer transparency is high, and corrosion resistance and wearability are higher, and film layer is harder, and density is higher, and structure is more stable.
Step S6, washes again to through snperoxiaized composited aluminum and plastic decking, cleans oxidized residual liquid.
Step S7, composited aluminum and plastic decking is immersed in electrolytic solution and is lifted for several times up and down, and stand 1 minute；Wherein, electrolysis is molten
Liquid adopts tin-salt solution, including the SnSO of 18-20g/L4, the H of 18-20g/L2SO4, and 30-35g/L phenol sulfonic acid, its pH value
For 0.8-1.0.
Step S8, carries out electrolytic coloring using alternating current-direct current coloring silicon machine to the composited aluminum and plastic decking being immersed in electrolytic solution；
Wherein, decomposition voltage increases to 15V with the speed of 0.35V/S from zero, and electrolysis temperature is 20 DEG C, and electrolysis time is 3-5 minute.
Step S9, using middle temperature hole sealing technology to the composited aluminum and plastic decking surface-sealing through electrolytic coloring, wherein, primary seal hole
Agent is nickel acetate, and good stability is easily controlled, and meets the environmental requirement of country.
Step S10, washes again to the composited aluminum and plastic decking through surface-sealing, cleans residual electrolyte, and dries, complete
Become coloring.
The present invention carries out degreasing using spray degreasing, hairbrush degreasing and dipping degreasing three step to composited aluminum and plastic decking, and degreasing is more
Thoroughly；By using sulfuric acid DC anodizing method, composited aluminum and plastic decking is aoxidized, low production cost, power saving, after oxidation
The process of liquid waste is convenient, and film layer transparency height, corrosion resistance and the wearability of sulfuric acid DC anodizing method oxidation
Higher, film layer is harder, and density is higher, and structure is more stable；Composited aluminum and plastic decking is carried out as electrolytic solution using tin-salt solution
Ac electrolytic coloring, simple to operate, gained color and luster wider range, as long as control coloration time it is possible to obtain by bronze colour to
, to bronze-colored, brown, finally for the shades of colour of black, and color and luster is very uniform, and the impact of environmental pollution is less for yellow.
In the description of this specification, the description of reference term " embodiment ", " example ", " specific example " etc. means
It is contained at least one enforcement of the present invention in conjunction with the specific features of this embodiment or example description, structure, material or feature
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
And, the specific features of description, structure, material or feature can be to close in any one or more embodiments or example
Suitable mode combines.
Above content is only to present configuration example and explanation, affiliated those skilled in the art couple
Described specific embodiment is made various modifications or supplements or substituted using similar mode, without departing from invention
Structure or surmount scope defined in the claims, all should belong to protection scope of the present invention.
Claims (6)
1. the composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology is it is characterised in that comprise the following steps：
Step S1, carries out ungrease treatment to composited aluminum and plastic decking first；
Step S2, washes to the composited aluminum and plastic decking through degreasing, cleaning and degreasing raffinate；
Step S3, is neutralized process using oxidizing acid agent to the composited aluminum and plastic decking through washing, and its temperature is 15-30 DEG C；
Step S4, carries out secondary washing, cleaning neutralization raffinate to the composited aluminum and plastic decking through neutralisation treatment；
Step S5, after composited aluminum and plastic decking is dried, is aoxidized using sulfuric acid DC anodizing method；
Step S6, washes again to through snperoxiaized composited aluminum and plastic decking, cleans oxidized residual liquid；
Step S7, composited aluminum and plastic decking is immersed in electrolytic solution and is lifted for several times up and down, and stand 1 minute；
Step S8, carries out electrolytic coloring using alternating current-direct current coloring silicon machine to the composited aluminum and plastic decking being immersed in electrolytic solution；
Step S9, using middle temperature hole sealing technology to the composited aluminum and plastic decking surface-sealing through electrolytic coloring；
Step S10, washes again to the composited aluminum and plastic decking through surface-sealing, cleans residual electrolyte, and dries, completes
Color.
2. the composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology according to claim 1 it is characterised in that
In described step S1, first pass through spray pump and alkalescence degreaser is sprayed spray degreasing is carried out on composited aluminum and plastic decking, spray is de-
Fat temperature is 50-55 DEG C；
Then neutral degreaser pressurized spray is scrubbed composited aluminum and plastic decking upper and lower surface on composited aluminum and plastic decking and with brush roll, enter
Row hairbrush degreasing；
Then aluminium flake is immersed in neutral degreaser and carries out dipping degreasing, reach the purpose of thorough degreasing, dipping degreasing temperature
For 50-55 DEG C.
3. the composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology according to claim 1 it is characterised in that
In described step S5, the temperature of anodic oxidation solution is less than 22 DEG C.
4. the composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology according to claim 1 it is characterised in that
In described step S7, electrolytic solution adopts tin-salt solution, including the SnSO of 18-20g/L4, the H of 18-20g/L2SO4, and 30-
The phenol sulfonic acid of 35g/L, its pH value is 0.8-1.0.
5. the composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology according to claim 1 it is characterised in that
In described step S8, decomposition voltage increases to 15V with the speed of 0.35V/S from zero, and electrolysis temperature is 20 DEG C, and electrolysis time is 3-5
Minute.
6. the composited aluminum and plastic decking coloring treatment process based on electrolytic colouring technology according to claim 1 it is characterised in that
Described step S9, main hole sealing agent is nickel acetate.
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| CN201610791312.8A CN106381516A (en) | 2016-08-31 | 2016-08-31 | Aluminum-plastic composite panel coloring treatment method based on electrolytic coloring technology |
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| CN201610791312.8A CN106381516A (en) | 2016-08-31 | 2016-08-31 | Aluminum-plastic composite panel coloring treatment method based on electrolytic coloring technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707942A (en) * | 2018-05-30 | 2018-10-26 | 江苏和兴汽车科技有限公司 | A kind of technique of aluminium alloy black anodizing electrophoresis |
| CN109183119A (en) * | 2018-08-07 | 2019-01-11 | 江苏锦绣铝业有限公司 | A kind of aluminium and aluminium alloy electrolytic coloring list pink salt technique |
| CN109722696A (en) * | 2019-03-05 | 2019-05-07 | 东莞金稞电子科技有限公司 | A kind of three color gradual change dyeing of aluminum alloy anode |
| CN113322470A (en) * | 2021-06-07 | 2021-08-31 | 湖北欣洁顺幕墙材料有限公司 | Surface treatment process and processing method of aluminum veneer for curtain wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707942A (en) * | 2018-05-30 | 2018-10-26 | 江苏和兴汽车科技有限公司 | A kind of technique of aluminium alloy black anodizing electrophoresis |
| CN109183119A (en) * | 2018-08-07 | 2019-01-11 | 江苏锦绣铝业有限公司 | A kind of aluminium and aluminium alloy electrolytic coloring list pink salt technique |
| CN109722696A (en) * | 2019-03-05 | 2019-05-07 | 东莞金稞电子科技有限公司 | A kind of three color gradual change dyeing of aluminum alloy anode |
| CN113322470A (en) * | 2021-06-07 | 2021-08-31 | 湖北欣洁顺幕墙材料有限公司 | Surface treatment process and processing method of aluminum veneer for curtain wall |
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