CN112342588A - Electromagnetic valve surface environment-friendly treatment process - Google Patents
Electromagnetic valve surface environment-friendly treatment process Download PDFInfo
- Publication number
- CN112342588A CN112342588A CN202011149269.8A CN202011149269A CN112342588A CN 112342588 A CN112342588 A CN 112342588A CN 202011149269 A CN202011149269 A CN 202011149269A CN 112342588 A CN112342588 A CN 112342588A
- Authority
- CN
- China
- Prior art keywords
- aluminum product
- parts
- electromagnetic valve
- treatment process
- washing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses an environment-friendly treatment process for the surface of an electromagnetic valve, which comprises the following steps: A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides; B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature; C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film; D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven; E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, namely finishing the treatment of the surface of the aluminum product.
Description
Technical Field
The invention relates to the technical field of surface treatment of aluminum products, in particular to an environment-friendly treatment process for the surface of an electromagnetic valve.
Background
The aluminum product is a general name of daily necessities and industrial goods which are processed by adopting aluminum alloy as a main raw material. Aluminum alloys are a generic term for aluminum-based alloys. The main alloying elements comprise copper, silicon, magnesium, zinc and manganese, and the secondary alloying elements comprise nickel, iron, titanium, chromium, lithium and the like; the aluminum alloy has low density, high strength, good plasticity, excellent electric conductivity, heat conductivity and corrosion resistance, is widely used in industry, and is second to steel in use amount.
The surface of the aluminum product is easy to be oxidized after long-term use, so the surface needs to be treated, and the existing treatment process is complex to operate and cannot effectively play a role in protection, so the improvement is needed.
Disclosure of Invention
The invention aims to provide an environment-friendly treatment process for the surface of a solenoid valve, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
Preferably, the blasting in the step A is carried out by using a brown corundum abrasive.
Preferably, the anode electrolysis in the step C is specifically: in the sulfuric acid electrolytic solution with the concentration of 14% -18%, a high-compression carbon plate is used as the anode and is placed in the electrolytic sulfuric acid solution, the solution temperature is 10-12 ℃, and the current density is 1-1.4A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
Preferably, the secondary washing in the step D is carried out by using deionized water, the drying temperature is 50-70 ℃, and the time is 3-5 min.
Preferably, the antioxidant component in the step E comprises 120 parts by weight of base oil 100-one, 3-9 parts by weight of composite antiwear agent, 5-15 parts by weight of dibutyl hydroxy toluene, 4-8 parts by weight of propyl gallate, 4-10 parts by weight of tert-butyl hydroquinone and 6-12 parts by weight of nano oxide ceramic powder.
Compared with the prior art, the invention has the beneficial effects that: the treatment process adopted by the invention is environment-friendly and nontoxic, has high treatment efficiency, can effectively surface aluminum products, and prevents the aluminum products from being oxidized after being used for a long time; the invention adopts low-temperature drying after washing, can quickly volatilize surface moisture, is convenient for the subsequent spraying of the antioxidant, and in addition, the adopted antioxidant is environment-friendly and nontoxic, has good high-temperature resistance and super-strong oxidation resistance, and further plays a role in protecting the aluminum product.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides the following technical scheme: an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
In this embodiment, brown corundum abrasive is used for blasting in the blasting step a.
In this embodiment, the anode electrolysis in step C specifically includes: in the sulfuric acid electrolytic solution with 14% concentration, high-compression carbon plate as anode is placed in the electrolytic sulfuric acid solutionThe temperature is 10 ℃, and the current density is 1A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
In this embodiment, deionized water is used for washing in the second washing in step D, and the drying temperature is 50 ℃ for 3 min.
In this embodiment, the antioxidant component in step E includes, by weight, 100 parts of base oil, 3 parts of a composite antiwear agent, 5 parts of butylated hydroxytoluene, 4 parts of propyl gallate, 4 parts of tert-butyl hydroquinone, and 6 parts of nano oxide ceramic powder.
Example two:
an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
In this embodiment, brown corundum abrasive is used for blasting in the blasting step a.
In this embodiment, the anode electrolysis in step C specifically includes: in 18% sulfuric acid electrolytic solution, high-compression carbon plate as anode is placed in the electrolytic sulfuric acid solution, and the solution temperature is 12 deg.C, and current density is 1.4A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
In this embodiment, deionized water is used for washing in the second washing in step D, and the drying temperature is 70 ℃ for 5 min.
In this embodiment, the antioxidant component in step E includes, by weight, 120 parts of base oil, 9 parts of a composite antiwear agent, 15 parts of butylated hydroxytoluene, 8 parts of propyl gallate, 10 parts of tert-butyl hydroquinone, and 12 parts of nano-oxide ceramic powder.
Example three:
an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
In this embodiment, brown corundum abrasive is used for blasting in the blasting step a.
In this embodiment, the anode electrolysis in step C specifically includes: in 15% sulfuric acid electrolytic solution, high-compression carbon plate as anode is placed in the electrolytic sulfuric acid solution, and the solution temperature is 11 deg.C, and current density is 1A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
In this embodiment, deionized water is used for washing in the second washing in step D, and the drying temperature is 55 ℃ for 3 min.
In this embodiment, the antioxidant component in step E includes, by weight, 105 parts of base oil, 4 parts of a composite antiwear agent, 7 parts of butylated hydroxytoluene, 5 parts of propyl gallate, 5 parts of tert-butyl hydroquinone, and 7 parts of nano oxide ceramic powder.
Example four:
an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
In this embodiment, brown corundum abrasive is used for blasting in the blasting step a.
In this embodiment, the anode electrolysis in step C specifically includes: in 17% sulfuric acid electrolytic solution, high-compression carbon plate as anode is placed in the electrolytic sulfuric acid solution, and the solution temperature is 12 deg.C, and current density is 1.3A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
In this embodiment, deionized water is used for washing in the second washing in step D, and the drying temperature is 70 ℃ for 3 min.
In this embodiment, the antioxidant component in step E includes, by weight, 109 parts of base oil, 8 parts of a composite antiwear agent, 8 parts of butylated hydroxytoluene, 7 parts of propyl gallate, 7 parts of tert-butyl hydroquinone, and 8 parts of nano oxide ceramic powder.
Example five:
an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
In this embodiment, brown corundum abrasive is used for blasting in the blasting step a.
In this embodiment, the anode electrolysis in step C specifically includes: at a concentration of 14%Sulfuric acid electrolytic solution, placing high-compression carbon plate as anode in electrolytic sulfuric acid solution at 12 deg.C and current density of 1A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
In this embodiment, deionized water is used for washing in the second washing in step D, and the drying temperature is 70 ℃ for 5 min.
In this embodiment, the antioxidant component in step E includes, by weight, 100 parts of base oil, 9 parts of a composite antiwear agent, 5 parts of butylated hydroxytoluene, 8 parts of propyl gallate, 4 parts of tert-butyl hydroquinone, and 12 parts of nano oxide ceramic powder.
Example six:
an electromagnetic valve surface environment-friendly treatment process comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
In this embodiment, brown corundum abrasive is used for blasting in the blasting step a.
In this embodiment, the anode electrolysis in step C specifically includes: in 16% sulfuric acid electrolytic solution, high-compression carbon plate as anode is placed in the electrolytic sulfuric acid solution, and the solution temperature is 11 deg.C, and current density is 1.3A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
In this embodiment, deionized water is used for washing in the second washing in step D, and the drying temperature is 60 ℃ for 4 min.
In this embodiment, the antioxidant component in step E includes, by weight, 110 parts of base oil, 6 parts of a composite antiwear agent, 10 parts of butylated hydroxytoluene, 6 parts of propyl gallate, 7 parts of tert-butyl hydroquinone, and 9 parts of nano oxide ceramic powder.
In conclusion, the treatment process adopted by the invention is environment-friendly and nontoxic, has high treatment efficiency, can effectively surface the aluminum product, and prevents the aluminum product from being oxidized after being used for a long time; the invention adopts low-temperature drying after washing, can quickly volatilize surface moisture, is convenient for the subsequent spraying of the antioxidant, and in addition, the adopted antioxidant is environment-friendly and nontoxic, has good high-temperature resistance and super-strong oxidation resistance, and further plays a role in protecting the aluminum product.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An electromagnetic valve surface environment-friendly treatment process is characterized by comprising the following steps: the method comprises the following steps:
A. firstly, carrying out sand blasting treatment on the surface of an aluminum product to remove surface oxides;
B. washing the aluminum product subjected to sand blasting with water for one time, and naturally drying at normal temperature;
C. putting the dried aluminum product into electrolyte for anode electrolysis to generate a protective film;
D. washing the aluminum product subjected to anode electrolysis for the second time, and drying in a low-temperature drying oven;
E. and finally, spraying a layer of antioxidant on the surface of the dried aluminum product, thereby finishing the treatment of the surface of the aluminum product.
2. The electromagnetic valve surface environment-friendly treatment process according to claim 1, characterized in that: and D, carrying out sand blasting by adopting a brown corundum abrasive during the sand blasting in the step A.
3. The electromagnetic valve surface environment-friendly treatment process according to claim 1The method is characterized in that: the anode electrolysis in the step C is specifically as follows: in the sulfuric acid electrolytic solution with the concentration of 14% -18%, a high-compression carbon plate is used as the anode and is placed in the electrolytic sulfuric acid solution, the solution temperature is 10-12 ℃, and the current density is 1-1.4A/dm2 The anodic electrolysis is carried out within the range of conditions of (1).
4. The electromagnetic valve surface environment-friendly treatment process according to claim 1, characterized in that: and D, cleaning with deionized water during secondary water washing in the step D, wherein the drying temperature is 50-70 ℃ and the time is 3-5 min.
5. The electromagnetic valve surface environment-friendly treatment process according to claim 1, characterized in that: the antioxidant component in the step E comprises, by weight, 120 parts of base oil 100-one, 3-9 parts of a composite antiwear agent, 5-15 parts of dibutyl hydroxy toluene, 4-8 parts of propyl gallate, 4-10 parts of tert-butyl hydroquinone and 6-12 parts of nano oxide ceramic powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149269.8A CN112342588A (en) | 2020-10-24 | 2020-10-24 | Electromagnetic valve surface environment-friendly treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149269.8A CN112342588A (en) | 2020-10-24 | 2020-10-24 | Electromagnetic valve surface environment-friendly treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112342588A true CN112342588A (en) | 2021-02-09 |
Family
ID=74360130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011149269.8A Pending CN112342588A (en) | 2020-10-24 | 2020-10-24 | Electromagnetic valve surface environment-friendly treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112342588A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864478A (en) * | 2012-10-17 | 2013-01-09 | 马炳舵 | Surface treatment process for aluminum ware |
| CN107653472A (en) * | 2017-09-22 | 2018-02-02 | 安徽霍山龙鑫金属科技有限公司 | A kind of aluminum alloy surface handling process |
| CN111748280A (en) * | 2020-06-30 | 2020-10-09 | 南通龙硕轻合金科技有限公司 | Aluminum protection plate and manufacturing process thereof |
-
2020
- 2020-10-24 CN CN202011149269.8A patent/CN112342588A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864478A (en) * | 2012-10-17 | 2013-01-09 | 马炳舵 | Surface treatment process for aluminum ware |
| CN107653472A (en) * | 2017-09-22 | 2018-02-02 | 安徽霍山龙鑫金属科技有限公司 | A kind of aluminum alloy surface handling process |
| CN111748280A (en) * | 2020-06-30 | 2020-10-09 | 南通龙硕轻合金科技有限公司 | Aluminum protection plate and manufacturing process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4920800B2 (en) | Manufacturing method of steel plate for containers | |
| CN104805484B (en) | Production method for Cu-Ni/Ni-Ag double-composite coating extra-thin steel strip | |
| CN108060442B (en) | Method for preparing zinc-copper composite coating on surface of copper-aluminum composite busbar | |
| JP6870731B2 (en) | Manufacturing method of Sn-plated steel sheet and Sn-plated steel sheet | |
| Zhang et al. | Electrodeposition of Al–Mn alloy on AZ31B magnesium alloy in molten salts | |
| CN101775635A (en) | Treatment process of stainless steel cold-rolled sheet | |
| JP6806152B2 (en) | Sn-based alloy plated steel sheet | |
| KR101318545B1 (en) | Process for production of tin-plated steel sheets, tin-plated steel sheets and chemical conversion treatment fluid | |
| CN103526212A (en) | Preparation method for coating on electrolytic aluminum prebaked anode steel claw | |
| KR101290986B1 (en) | Tin-plated steel plate and process for producing the tin-plated steel plate | |
| CN102005574B (en) | Light plate grid for lead-acid storage battery and preparation method thereof | |
| KR101291892B1 (en) | Tin-plated steel sheet and method for producing same | |
| CN105925775B (en) | A kind of production method of the corrosion resistance decoration composite deposite steel band of thickness≤0.1mm | |
| CN112342588A (en) | Electromagnetic valve surface environment-friendly treatment process | |
| CN111850447A (en) | High-performance zinc-aluminum-magnesium coated steel plate and preparation method thereof | |
| JP6642774B1 (en) | Sn-plated steel sheet and method for producing Sn-plated steel sheet | |
| CN204491005U (en) | Electrolytic aluminum cathode collector bar | |
| CN102943231A (en) | Surface three-step nitridation method of aluminium and aluminium alloy | |
| CN113122843B (en) | Preparation method of aluminum alloy composite board | |
| CN104562088A (en) | Electrolytic aluminum cathode conductive rod and preparation method thereof | |
| CN108642350B (en) | Corrosion-resistant aluminum alloy profile and surface treatment method thereof | |
| CN104264140A (en) | Anti-corrosive copper-plated carbon steel and preparation method thereof | |
| CN107299379A (en) | A kind of nurse station electrolysis special steel plate preparation technology | |
| KR101318588B1 (en) | Process for producing tin-plated steel plate, and tin-plated steel plate | |
| CN115198255B (en) | Titanium surface electrolytic hydrogen charging activation chemical nickel plating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210209 |
|
| RJ01 | Rejection of invention patent application after publication |