CN114535035A - Surface treatment method for composite material honeycomb panel - Google Patents
Surface treatment method for composite material honeycomb panel Download PDFInfo
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- CN114535035A CN114535035A CN202210150164.7A CN202210150164A CN114535035A CN 114535035 A CN114535035 A CN 114535035A CN 202210150164 A CN202210150164 A CN 202210150164A CN 114535035 A CN114535035 A CN 114535035A
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- aluminum alloy
- back plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004381 surface treatment Methods 0.000 title claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 164
- 238000001035 drying Methods 0.000 claims abstract description 41
- 238000005406 washing Methods 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 239000012459 cleaning agent Substances 0.000 claims abstract description 17
- 238000005238 degreasing Methods 0.000 claims abstract description 17
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 15
- 230000003647 oxidation Effects 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 24
- 239000008399 tap water Substances 0.000 claims description 23
- 235000020679 tap water Nutrition 0.000 claims description 23
- 238000005554 pickling Methods 0.000 claims description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- -1 18-25 g/L Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 7
- 239000012286 potassium permanganate Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007743 anodising Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 abstract description 8
- 239000011347 resin Substances 0.000 abstract description 8
- 239000004566 building material Substances 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 description 6
- 229910003074 TiCl4 Inorganic materials 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/107—Post-treatment of applied coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/22—Light metals
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing compounds
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of building materials, in particular to a method for processing the surface of a composite material honeycomb panel, which comprises the following steps: s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent; s2, degreasing the cleaned aluminum alloy plate; s3, carrying out acid washing, water washing and drying on the aluminum alloy plate; s4, protecting the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate; s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying; and S6, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing and drying. The combined part of the aluminum alloy plate and the resin layer is subjected to chemical corrosion and anodic oxidation treatment, so that the surface activity of the aluminum alloy is improved, the mechanical property of the honeycomb plate is improved, and the requirements of more high-end building materials are met.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a surface treatment method for a composite material honeycomb panel.
Background
The honeycomb plate is a high-compression-strength and light-weight mechanical and engineering structure and is formed by bonding an upper panel, a lower panel and a honeycomb core. The aluminum honeycomb panel is formed by bonding the aluminum honeycomb core and the aluminum alloy panel, has high strength and good weather resistance, and is widely applied to high-end building materials.
The preparation method of the aluminum honeycomb plate comprises the following steps: carrying out surface pretreatment on the aluminum alloy rolled plate; coating viscose on the lower surface of the upper-layer aluminum alloy panel and the upper surface of the lower-layer aluminum alloy panel respectively; according to the order from top to bottom, correspond laminating upper aluminum alloy panel, aluminium honeycomb core and lower floor's aluminum alloy panel each other, form aluminium honeycomb panel.
The existing aluminum honeycomb plate is poor in acid resistance, wear resistance and impact resistance, the combination of the aluminum alloy plate and a resin layer is poor, the resin is not fully soaked, the defects of separation of the aluminum alloy and the resin, bubbles and the like are easy to occur, and the mechanical property of the honeycomb plate is influenced.
Therefore, we have proposed a surface treatment method of a composite honeycomb panel for solving the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a composite material honeycomb panel surface treatment method.
The surface treatment method of the composite material honeycomb panel comprises the following steps:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 45-55 ℃ for 30-90S, and then washing with tap water for 3-5 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 2-5 min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 2-5 min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate;
s4, performing film pasting protection on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
and S6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing for 2-5 min by using tap water, and drying.
Preferably, the organic cleaning agent is acetone or isopropanol.
Preferably, the chemical cleaning degreasing solution comprises the following components in percentage by weight: NaOH, 18-25 g/L, Na2CO3，10～15g/L。
Preferably, in the step S3, the drying temperature is less than or equal to 60 ℃ and the drying time is 10-15 min.
Preferably, the pickling solution comprises the following components in percentage by weight: HNO3，30～50g/L。
Preferably, the electrolyte solution comprises the following components in percentage by weight: h3PO4100-120 g/L potassium permanganate, 20-25 g/L, TiCl4，3～5g/L。
Preferably, in step S6, the anodizing treatment conditions are: the temperature is 20-30 ℃, the direct current voltage is 8-12V, and the processing time is 15-20 min.
The invention has the beneficial effects that:
1. the combined part of the aluminum alloy plate and the resin layer is subjected to chemical corrosion and anodic oxidation treatment, so that the surface activity of the aluminum alloy is improved, micropores are uniformly distributed on the surface of the aluminum alloy, the resin is fully infiltrated, the aluminum alloy and the resin are tightly combined, the mechanical property of the honeycomb plate is improved, and the requirements of more high-end building materials are met.
2. The upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate are sprayed with fluorocarbon coatings, so that the acid resistance, the wear resistance and the impact resistance of the aluminum alloy plate are enhanced, and the durability of the building material is improved.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The first embodiment is as follows:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 50 ℃ for 60S, and then washing with tap water for 4 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 3min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 4min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate;
s4, performing film pasting protection on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
s6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using an electrolyte solution, washing for 4min by using tap water, and drying.
In this embodiment, the organic cleaning agent is acetone, and the chemical cleaning degreasing solution comprises the following components in parts by weight: NaOH, 22g/L, Na2CO3And 12 g/L. And in the step S3, the drying temperature is less than or equal to 60 ℃, and the drying time is 12 min. The pickling solution comprises the following components in percentage by weight: HNO335 g/L. The electrolyte solution comprises the following components in percentage by weight: h3PO4110g/L potassium permanganate, 22g/L, TiCl44 g/L. In step S6, the anodizing conditions are: the temperature is 25 ℃, the direct current voltage is 10V, and the processing time is 18 min.
Example two:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 45 ℃ for 80S, and then washing with tap water for 4 min;
s3, cleaning the degreased aluminum alloy panel and aluminum alloy back plate for 5min by using a pickling solution, washing for 4min by using tap water, and drying;
s4, pasting films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate for protection;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
and S6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing for 4min by using tap water, and drying.
In this embodiment, the organic cleaning agent is isopropyl alcohol, and the chemical cleaning degreasing solution comprises the following components in parts by weight: NaOH, 25g/L, Na2CO3And 12 g/L. And in the step S3, the drying temperature is less than or equal to 60 ℃, and the drying time is 12 min. The pickling solution comprises the following components in percentage by weight: HNO350 g/L. The electrolyte solution comprises the following components in percentage by weight: h3PO4110g/L potassium permanganate, 22g/L, TiCl44 g/L. In step S6, the conditions of the anodic oxidation treatment are: the temperature is 25 ℃, the direct current voltage is 10V, and the processing time is 18 min.
Example three:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 50 ℃ for 60S, and then washing with tap water for 4 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 5min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 4min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate;
s4, performing film pasting protection on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
and S6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing for 4min by using tap water, and drying.
The true bookIn the embodiment, the organic cleaning agent is acetone, and the chemical cleaning degreasing solution comprises the following components in percentage by weight: NaOH, 22g/L, Na2CO3And 12 g/L. And in the step S3, the drying temperature is less than or equal to 60 ℃, and the drying time is 12 min. The pickling solution comprises the following components in percentage by weight: HNO350 g/L. The electrolyte solution comprises the following components in percentage by weight: h3PO4110g/L potassium permanganate, 22g/L, TiCl44 g/L. In step S6, the conditions of the anodic oxidation treatment are: the temperature is 25 ℃, the direct current voltage is 10V, and the processing time is 18 min.
Example four:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 50 ℃ for 60S, and then washing with tap water for 4 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 3min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 4min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate;
s4, performing film pasting protection on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
and S6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing for 4min by using tap water, and drying.
In this embodiment, the organic cleaning agent is acetone, and the chemical cleaning degreasing solution comprises the following components in parts by weight: NaOH, 22g/L, Na2CO3And 12 g/L. And in the step S3, the drying temperature is less than or equal to 60 ℃, and the drying time is 12 min. The pickling solution comprises the following components in percentage by weight: HNO335 g/L. The electrolyte solution comprises the following components in percentage by weight: h3PO4100g/L potassium permanganate, 24g/L, TiCl44 g/L. In step S6, the conditions of the anodic oxidation treatment are: the temperature is 25 ℃, the direct current voltage is 12V, and the processing time is 20 min.
Example five:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 50 ℃ for 60S, and then washing with tap water for 4 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 3min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 4min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate;
s4, performing film pasting protection on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
and S6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing for 4min by using tap water, and drying.
In this embodiment, the organic cleaning agent is acetone, and the chemical cleaning degreasing solution comprises the following components in parts by weight: NaOH, 22g/L, Na2CO3And 12 g/L. And in the step S3, the drying temperature is less than or equal to 60 ℃, and the drying time is 12 min. The pickling solution comprises the following components in percentage by weight: HNO335 g/L. The electrolyte solution comprises the following components in percentage by weight: h3PO4120g/L potassium permanganate, 20g/L, TiCl44 g/L. In step S6, the conditions of the anodic oxidation treatment are: the temperature is 25 ℃, the direct current voltage is 8V, and the processing time is 15 min.
Comparative example:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 50 ℃ for 60S, and then washing with tap water for 4 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 3min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 4min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate.
In this example, the organic cleaning agent is acetone, which is dissolved in waterThe chemical cleaning degreasing fluid comprises the following components in percentage by weight: NaOH, 22g/L, Na2CO3And 12 g/L. And in the step S3, the drying temperature is less than or equal to 60 ℃, and the drying time is 12 min. The pickling solution comprises the following components in percentage by weight: HNO3，35g/L。
The aluminum alloy sheets of examples one to five and the comparative example were subjected to the acid resistance and tensile strength tests.
In the tensile strength test, a laminated plate sample is required to be manufactured, a layer of KH550 coupling agent is brushed on the lower surface of an aluminum alloy panel (the upper surface of an aluminum alloy back plate), then orthogonal glass fiber cloth is paved and epoxy resin is poured according to the mass ratio of resin to fiber of 1.5mm of the thickness of the laminated plate, and the laminated plate is naturally cured for 24 hours at room temperature. The specimens were cut to 250mm by 15mm by 1.5mm according to the tensile test requirements, the test was carried out on a SANS100kN test machine with a loading speed of 2mm/min and 5 averaging runs were carried out for each group.
In the acid resistance test, a layer of hydrochloric acid with the concentration of 10% is required to be smeared on the upper surface of the aluminum alloy panel (the lower surface of the aluminum alloy back plate), standing is carried out for 30min, and the surface corrosion condition is observed.
The test results are as follows:
| examples | Tensile strength/MPa | Elongation at break/% | Degree of surface corrosion |
| Example one | 202.8 | 2.6 | Is not corroded |
| Example two | 195.5 | 2.4 | Is not corroded |
| EXAMPLE III | 196.8 | 2.4 | Is not corroded |
| Example four | 181.4 | 2.2 | Is not corroded |
| EXAMPLE five | 185.5 | 2.2 | Is not corroded |
| Comparative example | 159.2 | 1.7 | Slight corrosion |
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 surface treatment method of the composite material honeycomb panel is characterized by comprising the following steps:
s1, cleaning the aluminum alloy panel and the aluminum alloy back plate by using an organic cleaning agent;
s2, soaking the cleaned aluminum alloy panel and aluminum alloy back plate in degreasing fluid at 45-55 ℃ for 30-90S, and then washing with tap water for 3-5 min;
s3, washing the degreased aluminum alloy panel and aluminum alloy back plate for 2-5 min by using a pickling solution, washing the degreased aluminum alloy panel and aluminum alloy back plate for 2-5 min by using tap water, and drying the degreased aluminum alloy panel and aluminum alloy back plate;
s4, performing film pasting protection on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate;
s5, spraying fluorocarbon paint on the upper surface of the aluminum alloy panel and the lower surface of the aluminum alloy back plate and drying to obtain a fluorocarbon coating with the thickness of 45-60 mu m;
and S6, removing the protective films on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate, carrying out anodic oxidation treatment on the lower surface of the aluminum alloy panel and the upper surface of the aluminum alloy back plate by using electrolyte solution, washing for 2-5 min by using tap water, and drying.
2. The method for processing the surface of the composite material honeycomb panel according to claim 1, wherein the organic cleaning agent is acetone or isopropanol.
3. The method for processing the surface of the composite material honeycomb panel according to claim 1, wherein the chemical cleaning degreasing solution comprises the following components in percentage by weight: NaOH, 18-25 g/L, Na2CO3，10～15g/L。
4. The method for processing the surface of the composite material honeycomb panel according to claim 1, wherein in the step S3, the drying temperature is not more than 60 ℃ and the drying time is 10-15 min.
5. The surface treatment method of the composite material honeycomb panel according to claim 1, wherein the pickling solution comprises the following components in percentage by weight: HNO3，30～50g/L。
6. The composite honeycomb panel of claim 1The surface treatment method is characterized in that the electrolyte solution comprises the following components in percentage by weight: h3PO4100-120 g/L potassium permanganate, 20-25 g/L, TiCl4，3～5g/L。
7. The method for processing the surface of the composite honeycomb panel according to claim 1, wherein in the step S6, the anodizing treatment conditions are as follows: the temperature is 20-30 ℃, the direct current voltage is 8-12V, and the processing time is 15-20 min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116971007A (en) * | 2023-07-05 | 2023-10-31 | 安徽科蓝特铝业股份有限公司 | Forming process of solar photovoltaic panel aluminum alloy bracket |
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| CN103600525A (en) * | 2013-10-29 | 2014-02-26 | 潼南华轩绿色建材有限公司 | Production method of aluminum honeycomb plate |
| CN206926339U (en) * | 2017-05-15 | 2018-01-26 | 江苏晟兴和金属板业有限公司 | Corrosion-resistant cellular board |
| CN108855833A (en) * | 2018-06-19 | 2018-11-23 | 佛山市保利来建材实业有限公司 | A kind of fluorine carbon pad pasting spraying process |
| CN111441074A (en) * | 2020-04-30 | 2020-07-24 | 内蒙古蒙矿碳烯科技有限公司 | Anodic oxidation treatment method for surface of aluminum alloy plate |
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2022
- 2022-02-18 CN CN202210150164.7A patent/CN114535035A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600525A (en) * | 2013-10-29 | 2014-02-26 | 潼南华轩绿色建材有限公司 | Production method of aluminum honeycomb plate |
| CN206926339U (en) * | 2017-05-15 | 2018-01-26 | 江苏晟兴和金属板业有限公司 | Corrosion-resistant cellular board |
| CN108855833A (en) * | 2018-06-19 | 2018-11-23 | 佛山市保利来建材实业有限公司 | A kind of fluorine carbon pad pasting spraying process |
| CN111441074A (en) * | 2020-04-30 | 2020-07-24 | 内蒙古蒙矿碳烯科技有限公司 | Anodic oxidation treatment method for surface of aluminum alloy plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116971007A (en) * | 2023-07-05 | 2023-10-31 | 安徽科蓝特铝业股份有限公司 | Forming process of solar photovoltaic panel aluminum alloy bracket |
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