CN111962124A - Preparation method of copper-aluminum alloy-like profile with antifouling effect - Google Patents
Preparation method of copper-aluminum alloy-like profile with antifouling effect Download PDFInfo
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- CN111962124A CN111962124A CN202010907048.6A CN202010907048A CN111962124A CN 111962124 A CN111962124 A CN 111962124A CN 202010907048 A CN202010907048 A CN 202010907048A CN 111962124 A CN111962124 A CN 111962124A
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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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/02—Light metals
- C23F3/03—Light metals with acidic solutions
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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
- C25D11/16—Pretreatment, e.g. desmutting
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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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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a preparation method of a copper-aluminum alloy imitation section with an antifouling effect, which comprises the following steps: putting the aluminum profile on a shelf, degreasing, and washing with water; chemically polishing the surface of the aluminum alloy flat tube by using phosphoric acid; then adopting sulfuric acid and aluminum ions to carry out anodic oxidation, and washing with water again; carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing: carrying out antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile; and putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified. The preparation method of the copper-imitation aluminum alloy section bar has a good copper imitation effect, and the manufactured copper-imitation door has a remarkable antifouling effect due to the addition of the nano titanium dioxide and the inorganic modified graphene oxide in the paint.
Description
Technical Field
The invention relates to the technical field of aluminum alloy sections, in particular to a preparation method of a copper-like aluminum alloy section with an antifouling effect.
Background
The highest end in the exterior door and window market today is the copper door, which is known for its high end top grade and is a somewhat respectful symbol. However, copper doors have the following disadvantages: copper is a precious metal, the resource of the copper is limited, particularly, the copper resource of China is not much, and the copper is used as a main raw material to be used, which is not in accordance with the national situation of China. When copper is used as the copper door, the cost is high, the selling price is more expensive, and the copper door can not be consumed by common people except for being used in a few occasions. The biggest defect of the copper door is that the copper door is easy to oxidize to generate verdigris, is easy to collide and damage and is not easy to maintain. In addition, the copper door has the problems of less style, simpler structure and the like, and the choice of the user is limited. These have all restricted the wide range of applications for copper doors. In order to reduce the cost and improve the quality of the aluminum alloy copper-imitation door, the invention provides a preparation method of a copper-imitation aluminum alloy section with an antifouling effect.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a preparation method of a copper-aluminum alloy imitation section with an antifouling effect.
The technical scheme of the invention is as follows:
a preparation method of a copper-aluminum alloy imitation section with an antifouling effect comprises the following steps:
a, putting an aluminum profile on a shelf, degreasing, and washing with water;
b, chemically polishing the surface of the aluminum alloy flat tube by adopting phosphoric acid;
c, carrying out anodic oxidation by adopting sulfuric acid and aluminum ions, and washing with water again;
d, carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing:
e, performing antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile;
and F, putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified.
Preferably, in step C, the process parameters of the anodic oxidation treatment are as follows: the temperature of the oxidation tank is 15-25 ℃, the oxidation voltage is 17-18V, the concentration of sulfuric acid is 120-200g/L, the concentration of aluminum ions is 10-12g/L, and the oxidation time is 25-35 min.
Preferably, in the step C, the thickness of the oxide film on the surface of the aluminum profile is 8-15 μm.
Preferably, in the step C, the imitation copper electrolytic coloring treatment adopts an imitation red copper coloring tank, and the process parameters are as follows: 12-15g/L free acid, 25-30 ℃, coloring voltage of 16-18V and coloring time of 300-400 s.
Preferably, in the step D, the passivation treatment uses a passivation tank, and the process parameters are as follows: ni2+1.5-2.5g/L, pH value 5.5-6.2, temperature 60-65 deg.C, and time 15-20 min.
Preferably, in the step E, the paint adopted by the electrodeposition coating contains nano titanium dioxide and inorganic modified graphene oxide.
Preferably, the preparation method of the inorganic modified graphene oxide comprises the following steps: dispersing graphene oxide and an organic silicon compound in 75-90% of ethanol solution by mass, wherein the concentration of the graphene oxide is 0.2-0.5 mg/mL; the concentration of the organic silicon compound is 0.01-0.03 mg/mL; slowly dripping metal ions while stirring, and performing ultrasonic treatment for 5-10 min; adding a polycarboxylic acid high-efficiency water reducing agent with the mass 6-8 times that of the graphene oxide, continuing ultrasonic treatment for 30-50min, concentrating and drying to obtain the graphene oxide.
The invention has the advantages that: the preparation method of the copper-aluminum alloy imitation section with the antifouling effect comprises the following steps: putting the aluminum profile on a shelf, degreasing, and washing with water; chemically polishing the surface of the aluminum alloy flat tube by using phosphoric acid; then adopting sulfuric acid and aluminum ions to carry out anodic oxidation, and washing with water again; carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing: carrying out antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile; and putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified. The preparation method of the copper-imitation aluminum alloy section bar has a good copper imitation effect, and the manufactured copper-imitation door has a remarkable antifouling effect due to the addition of the nano titanium dioxide and the inorganic modified graphene oxide in the paint.
Detailed Description
Example 1
A preparation method of a copper-aluminum alloy imitation section with an antifouling effect comprises the following steps:
a, putting an aluminum profile on a shelf, degreasing, and washing with water;
b, chemically polishing the surface of the aluminum alloy flat tube by adopting phosphoric acid;
c, carrying out anodic oxidation by adopting sulfuric acid and aluminum ions, and washing with water again;
d, carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing:
e, performing antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile;
and F, putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified.
In the step C, the process parameters of the anodic oxidation treatment are as follows: the temperature of the oxidation tank is 18 ℃, the oxidation voltage is 17.5V, the concentration of sulfuric acid is 150g/L, the concentration of aluminum ions is 10.5g/L, and the oxidation time is 30 min.
In the step C, the thickness of the oxide film on the surface of the aluminum profile is 8-15 μm.
In the step C, the imitation copper electrolytic coloring treatment adopts an imitation red copper coloring tank, and the technological parameters are as follows: 13g/L of free acid, 28 ℃, 16.5V of coloring voltage and 320s of coloring time.
In the step D, the passivation treatment adopts a passivation tank, and the technological parameters are as follows: ni2+2.2g/L, pH value of 5.8, temperature of 64 ℃ and time of 18 min.
In the step E, the electrophoretic painting adopts paint containing 1.35% of nano titanium dioxide and 0.35% of inorganic modified graphene oxide.
The preparation method of the inorganic modified graphene oxide comprises the following steps: dispersing graphene oxide and an organic silicon compound in an ethanol solution with the mass fraction of 85%, wherein the concentration of the graphene oxide is 0.35 mg/mL; the concentration of the organic silicon compound is 0.02 mg/mL; slowly dripping copper ions while stirring, and performing ultrasonic treatment for 8 min; adding a polycarboxylic acid high-efficiency water reducing agent with the mass 7 times that of the graphene oxide, continuing ultrasonic treatment for 35min, concentrating and drying. Example 2
A preparation method of a copper-aluminum alloy imitation section with an antifouling effect comprises the following steps:
a, putting an aluminum profile on a shelf, degreasing, and washing with water;
b, chemically polishing the surface of the aluminum alloy flat tube by adopting phosphoric acid;
c, carrying out anodic oxidation by adopting sulfuric acid and aluminum ions, and washing with water again;
d, carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing:
e, performing antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile;
and F, putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified.
In the step C, the process parameters of the anodic oxidation treatment are as follows: the temperature of the oxidation tank is 25 ℃, the oxidation voltage is 17V, the sulfuric acid concentration is 200g/L, the aluminum ion concentration is 10g/L, and the oxidation time is 35 min.
In the step C, the thickness of the oxide film on the surface of the aluminum profile is 8-15 μm.
In the step C, the imitation copper electrolytic coloring treatment adopts an imitation red copper coloring tank, and the technological parameters are as follows: free acid 12g/L, temperature 30 ℃, coloring voltage 16V and coloring time 400 s.
In the step D, the passivation treatment adopts a passivation tank, and the technological parameters are as follows: ni2+1.5g/L, pH 6.2, temperature 60 deg.C, time 20 min.
In the step E, the electrophoretic painting adopts paint containing 1.5% of nano titanium dioxide and 0.2% of inorganic modified graphene oxide.
The preparation method of the inorganic modified graphene oxide comprises the following steps: dispersing graphene oxide and an organic silicon compound in an ethanol solution with the mass fraction of 90%, wherein the concentration of the graphene oxide is 0.2 mg/mL; the concentration of the organic silicon compound is 0.03 mg/mL; slowly dripping copper ions while stirring, and performing ultrasonic treatment for 5 min; adding a polycarboxylic acid high-efficiency water reducing agent with the mass 8 times that of the graphene oxide, continuing ultrasonic treatment for 30min, concentrating and drying.
Example 3
A preparation method of a copper-aluminum alloy imitation section with an antifouling effect comprises the following steps:
a, putting an aluminum profile on a shelf, degreasing, and washing with water;
b, chemically polishing the surface of the aluminum alloy flat tube by adopting phosphoric acid;
c, carrying out anodic oxidation by adopting sulfuric acid and aluminum ions, and washing with water again;
d, carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing:
e, performing antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile;
and F, putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified.
In the step C, the process parameters of the anodic oxidation treatment are as follows: the temperature of the oxidation tank is 15 ℃, the oxidation voltage is 18V, the sulfuric acid concentration is 120g/L, the aluminum ion concentration is 12g/L, and the oxidation time is 25 min.
In the step C, the thickness of the oxide film on the surface of the aluminum profile is 8-15 μm.
In the step C, the imitation copper electrolytic coloring treatment adopts an imitation red copper coloring tank, and the technological parameters are as follows: free acid 15g/L, temperature 25 ℃, coloring voltage 18V and coloring time 300 s.
In the step D, the passivation treatment adopts a passivation tank, and the technological parameters are as follows: ni2+2.5g/L, pH 5.5, temperature 65 deg.C, time 15 min.
In the step E, the electrophoretic painting adopts paint containing 1.2% of nano titanium dioxide and 0.5% of inorganic modified graphene oxide.
The preparation method of the inorganic modified graphene oxide comprises the following steps: dispersing graphene oxide and an organic silicon compound in 75% by mass of ethanol solution, wherein the concentration of the graphene oxide is 0.5 mg/mL; the concentration of the organic silicon compound is 0.01 mg/mL; slowly dripping copper ions and zinc ions while stirring, and performing ultrasonic treatment for 10 min; adding a polycarboxylic acid high-efficiency water reducing agent with the mass 6 times that of the graphene oxide, continuing ultrasonic treatment for 50min, concentrating and drying to obtain the graphene oxide.
The aluminum alloy section bar is applied to the imitation copper door, and can ensure that no stain is left on the imitation copper door within 18 months.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The preparation method of the copper-aluminum alloy imitation section with the antifouling effect is characterized by comprising the following steps of:
a, putting an aluminum profile on a shelf, degreasing, and washing with water;
b, chemically polishing the surface of the aluminum alloy flat tube by adopting phosphoric acid;
c, carrying out anodic oxidation by adopting sulfuric acid and aluminum ions, and washing with water again;
d, carrying out copper-imitating electrolytic coloring treatment on the aluminum profile after washing:
e, performing antifouling electrophoretic painting on the washed aluminum profile, and then baking and curing the aluminum profile;
and F, putting the aluminum profile subjected to baking and curing treatment on a shelf, inspecting, and packaging after the inspection is qualified.
2. The method for preparing the anti-fouling copper-aluminum alloy profile according to claim 1, wherein in the step C, the process parameters of the anodic oxidation treatment are as follows: the temperature of the oxidation tank is 15-25 ℃, the oxidation voltage is 17-18V, the concentration of sulfuric acid is 120-200g/L, the concentration of aluminum ions is 10-12g/L, and the oxidation time is 25-35 min.
3. The method for preparing a copper-imitation aluminum alloy profile with an antifouling effect as claimed in claim 1, wherein in the step C, the thickness of the oxide film on the surface of the aluminum profile is 8-15 μm.
4. The method for preparing the copper-imitation aluminum alloy section with the antifouling effect as claimed in claim 1, wherein in the step C, the copper-imitation electrolytic coloring treatment adopts a red-imitation coloring tank, and the process parameters are as follows: 12-15g/L free acid, 25-30 ℃, coloring voltage of 16-18V and coloring time of 300-400 s.
5. The method for preparing the anti-fouling copper-aluminum alloy profile according to claim 1, wherein in the step D, a passivation tank is adopted for passivation treatment, and the process parameters are as follows: ni2+1.5-2.5g/L, pH value 5.5-6.2, temperature 60-65 deg.C, and time 15-20 min.
6. The method for preparing the copper-aluminum alloy imitation profile with the antifouling effect according to claim 1, wherein in the step E, the electrophoretic paint contains nano titanium dioxide and inorganic modified graphene oxide.
7. The method for preparing the copper-aluminum alloy-imitated profile with the antifouling effect as claimed in claim 6, wherein the method for preparing the inorganic modified graphene oxide comprises the following steps: dispersing graphene oxide and an organic silicon compound in 75-90% of ethanol solution by mass, wherein the concentration of the graphene oxide is 0.2-0.5 mg/mL; the concentration of the organic silicon compound is 0.01-0.03 mg/mL; slowly dripping metal ions while stirring, and performing ultrasonic treatment for 5-10 min; adding a polycarboxylic acid high-efficiency water reducing agent with the mass 6-8 times that of the graphene oxide, continuing ultrasonic treatment for 30-50min, concentrating and drying to obtain the graphene oxide.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333596A (en) * | 2013-06-24 | 2013-10-02 | 浩力森涂料（上海）有限公司 | Self-cleaning fluorosilicone-modified acrylic acid cathode electrophoresis paint and preparation method thereof |
| CN107345310A (en) * | 2017-08-08 | 2017-11-14 | 浙江新祥铝业股份有限公司 | A kind of processing method of imitative copper electrophoresis decoration bar section |
| CN108659656A (en) * | 2018-05-02 | 2018-10-16 | 吉林建筑大学 | A kind of antifouling paint for building and preparation method thereof |
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2020
- 2020-09-02 CN CN202010907048.6A patent/CN111962124A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333596A (en) * | 2013-06-24 | 2013-10-02 | 浩力森涂料（上海）有限公司 | Self-cleaning fluorosilicone-modified acrylic acid cathode electrophoresis paint and preparation method thereof |
| CN107345310A (en) * | 2017-08-08 | 2017-11-14 | 浙江新祥铝业股份有限公司 | A kind of processing method of imitative copper electrophoresis decoration bar section |
| CN108659656A (en) * | 2018-05-02 | 2018-10-16 | 吉林建筑大学 | A kind of antifouling paint for building and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈亚: "《现代实用电镀技术》", 31 January 2003, 国防工业出版社 * |
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Application publication date: 20201120 |