CN112760628A - Cobalt-zirconium-vanadium environment-friendly film forming agent, aluminum material and surface film forming treatment method thereof - Google Patents
Cobalt-zirconium-vanadium environment-friendly film forming agent, aluminum material and surface film forming treatment method thereof Download PDFInfo
- Publication number
- CN112760628A CN112760628A CN202011492889.1A CN202011492889A CN112760628A CN 112760628 A CN112760628 A CN 112760628A CN 202011492889 A CN202011492889 A CN 202011492889A CN 112760628 A CN112760628 A CN 112760628A
- Authority
- CN
- China
- Prior art keywords
- film forming
- parts
- cobalt
- environment
- zirconium
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/44—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention relates to an environment-friendly cobalt-zirconium-vanadium film forming agent, an aluminum material and a surface film forming treatment method thereof. The cobalt-zirconium-vanadium environment-friendly film forming agent is used for surface pretreatment of aluminum materials and comprises the following components in parts by weight in 1000 parts: 5-50 parts of cobalt sulfate, 2-20 parts of potassium fluozirconate, 2-10 parts of hydrofluoric acid, 2-10 parts of ammonium metavanadate and the balance of water. The film formed by the cobalt-zirconium-vanadium environment-friendly film forming agent has good corrosion resistance and strong adhesive force, and is particularly suitable for being used as a coating treatment bottom layer. When the coating agent is applied to treating aluminum materials, the coating agent can be used in a soaking and spraying mode, water washing is not needed, water is saved, inconvenience caused by water use is avoided, the coating agent is very convenient to use, and the coating agent does not contain chromium ions and other heavy metals which damage the environment, so that the coating agent is an environment-friendly product.
Description
Technical Field
The invention relates to the technical field of metal surface treatment, in particular to a cobalt-zirconium-vanadium environment-friendly film forming agent, an aluminum material and a surface film treatment method thereof.
Background
In order to improve the surface properties or appearance of the product, the surface of the workpiece is usually treated. For example, surface treatment processes for aluminum, iron, and alloys thereof are in great variety of industries. Furthermore, most of the works require pretreatment, such as cleaning, degreasing, and desmearing, before surface treatment, and some of the aluminum materials require surface coating.
The filming treatment generally adopts a filming agent to pretreat the aluminum material so as to form a film layer on the surface of the aluminum material, so that the subsequent surface treatment is carried out, and the bonding force and the corrosion resistance of the subsequent film are increased. The traditional skin is generally treated by the skin containing chromium ions, and the environmental protection requirement and the process requirement of some merchants cannot be met.
Disclosure of Invention
In view of the above, an environment-friendly cobalt-zirconium-vanadium film forming agent with good corrosion resistance and strong binding force, a film coating method for the surface of an aluminum material and the aluminum material prepared by the film coating method are provided, and the film coating agent is environment-friendly, non-toxic and simple in process.
An environment-friendly cobalt-zirconium-vanadium film forming agent is used for surface pretreatment of aluminum materials and comprises the following components in parts by weight in 1000 parts: 5-50 parts of cobalt sulfate, 2-20 parts of potassium fluozirconate, 2-10 parts of hydrofluoric acid, 2-10 parts of ammonium metavanadate and the balance of water.
Preferably, the weight part of the cobalt sulfate is 10-30 parts.
Preferably, the weight portion of the potassium fluozirconate is 5 to 10 portions.
Preferably, the weight part of the hydrofluoric acid is 2-6 parts.
Preferably, the weight part of the ammonium metavanadate is 2 to 6 parts.
Preferably, the use ratio of the coating agent is 0.5-2 wt%.
Preferably, the pH value of the coating agent is 2-5.
A method for processing the surface of an aluminum material into a film comprises the following steps: preparing the cobalt-zirconium-vanadium environment-friendly film forming agent; preparing a film solution with the mass percentage of 0.5-2% by using a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 2-5; and soaking or spraying the film solution on the surface of the aluminum material, and drying.
And an aluminum material having a surface film formed by the aluminum material surface film forming method.
The film formed by the cobalt-zirconium-vanadium environment-friendly film forming agent has good corrosion resistance and strong adhesive force, and is particularly suitable for being used as a coating treatment bottom layer. When the coating agent is applied to treating aluminum materials, the coating agent can be used in a soaking and spraying mode, water washing is not needed, water is saved, inconvenience caused by water use is avoided, the coating agent is very convenient to use, and the coating agent does not contain chromium ions and other heavy metals which damage the environment, so that the coating agent is an environment-friendly product.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The embodiment of the invention provides a cobalt-zirconium-vanadium environment-friendly film forming agent for surface pretreatment of aluminum materials, which comprises the following components in parts by weight in 1000 parts: 5-50 parts of cobalt sulfate, 2-20 parts of potassium fluozirconate, 2-10 parts of hydrofluoric acid, 2-10 parts of ammonium metavanadate and the balance of water.
Specifically, the weight part of the cobalt sulfate is preferably 10 to 30 parts. The weight part of the potassium fluorozirconate is preferably 5 to 10 parts. The weight portion of the hydrofluoric acid is preferably 2-6 portions. The weight portion of the ammonium metavanadate is preferably 2 to 6 portions. The proportion of the coating agent is 0.5-2 wt%, and the PH value is preferably 2-5, and the coating agent is weakly acidic.
In the cobalt, zirconium and vanadium environment-friendly film forming agent, a better film forming effect is achieved by controlling the proportion balance of the components. For example, cobalt sulfate and potassium fluorozirconate are main components of the film, and ammonium metavanadate can greatly improve the corrosion resistance of the aluminum piece after film formation, and hydrofluoric acid can promote the film formation.
The embodiment of the invention also provides a method for processing the surface of the aluminum material into a film, which comprises the following steps: preparing the cobalt-zirconium-vanadium environment-friendly film forming agent; preparing a film solution with the mass percentage of 0.5-2% by using a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 2-5; and soaking or spraying the film solution on the surface of the aluminum material, and drying.
Specifically, the mass percentage of the coating agent in the coating agent solution is preferably 0.5-2%, and the coating agent is sprayed or applied to the surface of the aluminum material during treatment, or an extrusion mode can be adopted. The treatment temperature is normal temperature, such as 20-25 deg.C. After the film is formed, the surface of the aluminum material is further subjected to passivation, oxidation resistance, or coating treatment. The drying temperature is controlled to be about 120 ℃, which is not too high, and the film layer is prevented from cracking.
An embodiment of the present invention also provides an aluminum material treated by the aluminum material surface film formation treatment method as described above, and a film is formed on the surface of the aluminum material. The film can protect the aluminum material and can be used as a coating treatment bottom layer for subsequent coating treatment and the like.
The following describes aspects of the cobalt-zirconium-vanadium environment-friendly film forming agent and the processing method thereof according to the embodiment of the invention through specific examples.
Example 1
Mixing the following components in parts by weight: the coating agent is prepared by stirring and uniformly mixing 1000 parts by weight of 5 parts of cobalt sulfate, 2 parts of potassium fluozirconate, 2 parts of hydrofluoric acid, 2 parts of ammonium metavanadate and the balance of water.
The treatment method comprises the following steps: preparing a cobalt-zirconium-vanadium environment-friendly film forming agent; preparing a 2 mass percent film solution from a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 3; at normal temperature, soaking the aluminum material in the solution for 2 minutes, cleaning the aluminum material with clear water, taking the aluminum material out, placing the aluminum material under a fan, draining the aluminum material, and drying the aluminum material at 120 ℃.
After the treatment of the coating agent solution, the corrosion resistance of a workpiece is greatly improved, the neutral salt spray test is more than 48 hours, the workpiece is boiled in water for 2 hours after the paint coating, then the hundred-lattice test is carried out, the lattice dropping phenomenon is avoided, and the adhesive force is 0 grade.
Example 2
Mixing the following components in parts by weight: the coating agent is prepared by stirring and uniformly mixing 1000 parts by weight of 20 parts of cobalt sulfate, 5 parts of potassium fluozirconate, 4 parts of hydrofluoric acid, 4 parts of ammonium metavanadate and the balance of water.
The treatment method comprises the following steps: preparing a cobalt-zirconium-vanadium environment-friendly film forming agent; preparing a coating solution with the mass percentage of 1.5% by using a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 3; at normal temperature, soaking the aluminum material in the solution for 2 minutes, cleaning the aluminum material with clear water, taking the aluminum material out, placing the aluminum material under a fan, draining the aluminum material, and drying the aluminum material at 120 ℃.
After the treatment of the coating agent solution, the corrosion resistance of a workpiece is greatly improved, the neutral salt spray test is more than 48 hours, the workpiece is boiled in water for 2 hours after the paint coating, then the hundred-lattice test is carried out, the lattice dropping phenomenon is avoided, and the adhesive force is 0 grade.
Example 3
Mixing the following components in parts by weight: by weight of 1000 parts, 35 parts of cobalt sulfate, 5 parts of potassium fluozirconate, 6 parts of hydrofluoric acid, 6 parts of ammonium metavanadate and the balance of water are stirred and uniformly mixed to prepare the coating agent.
The treatment method comprises the following steps: preparing a cobalt-zirconium-vanadium environment-friendly film forming agent; preparing a coating solution with the mass percentage of 1% by using a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 3; at normal temperature, soaking the aluminum material in the solution for 2 minutes, cleaning the aluminum material with clear water, taking the aluminum material out, placing the aluminum material under a fan, draining the aluminum material, and drying the aluminum material at 120 ℃.
After the treatment of the coating agent solution, the corrosion resistance of a workpiece is greatly improved, the neutral salt spray test is more than 48 hours, the workpiece is boiled in water for 2 hours after the paint coating, then the hundred-lattice test is carried out, the lattice dropping phenomenon is avoided, and the adhesive force is 0 grade.
Example 4
Mixing the following components in parts by weight: the coating agent is prepared by stirring and uniformly mixing 1000 parts by weight of 50 parts of cobalt sulfate, 10 parts of potassium fluozirconate, 6 parts of hydrofluoric acid, 6 parts of ammonium metavanadate and the balance of water.
The treatment method comprises the following steps: preparing a cobalt-zirconium-vanadium environment-friendly film forming agent; preparing a film solution with the mass percentage of 0.5% by using a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 3; at normal temperature, soaking the aluminum material in the solution for 2 minutes, cleaning the aluminum material with clear water, taking the aluminum material out, placing the aluminum material under a fan, draining the aluminum material, and drying the aluminum material at 120 ℃.
After the treatment of the coating agent solution, the corrosion resistance of a workpiece is greatly improved, the neutral salt spray test is more than 48 hours, the workpiece is boiled in water for 2 hours after the paint coating, then the hundred-lattice test is carried out, the lattice dropping phenomenon is avoided, and the adhesive force is 0 grade.
It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and these changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention as claimed.
Claims (10)
1. An environment-friendly cobalt-zirconium-vanadium film forming agent for surface pretreatment of aluminum materials is characterized by comprising the following components in parts by weight, based on 1000 parts by weight: 5-50 parts of cobalt sulfate, 2-20 parts of potassium fluozirconate, 2-10 parts of hydrofluoric acid, 2-10 parts of ammonium metavanadate and the balance of water.
2. The cobalt-zirconium-vanadium environment-friendly film forming agent of claim 1, wherein the cobalt sulfate is 10-30 parts by weight.
3. The cobalt zirconium vanadium environment-friendly film forming agent of claim 1, wherein the weight portion of the potassium fluorozirconate is 5 to 10 portions.
4. The cobalt zirconium vanadium environment-friendly film forming agent of claim 1, wherein the hydrofluoric acid is 2-6 parts by weight.
5. The cobalt zirconium vanadium environment-friendly film forming agent according to claim 1, wherein the weight part of the ammonium metavanadate is 2-6 parts.
6. The cobalt zirconium vanadium environment-friendly film forming agent of claim 1, wherein the use ratio of the film forming agent is 0.5-2 wt%.
7. The cobalt zirconium vanadium environment-friendly film forming agent of claim 1, wherein the PH of the film forming agent is 2-5.
8. A method for processing the surface of an aluminum material into a film comprises the following steps: preparing an environment-friendly cobalt-zirconium-vanadium film forming agent according to any one of claims 1 to 7; preparing a film solution with the mass percentage of 0.5-2% by using a cobalt-zirconium-vanadium environment-friendly film forming agent; controlling the pH value of the coating agent solution to be 2-5; soaking the surface of the aluminum material, spraying a film solution, draining as soon as possible and then drying.
9. An aluminum material characterized in that a coating film is formed on the surface of the aluminum material by the aluminum material surface coating treatment method according to claim 8.
10. An aluminum material as defined in claim 9 wherein after the coating film is formed, the surface of the aluminum material is further subjected to a passivation, oxidation resistance or coating treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011492889.1A CN112760628A (en) | 2020-12-16 | 2020-12-16 | Cobalt-zirconium-vanadium environment-friendly film forming agent, aluminum material and surface film forming treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011492889.1A CN112760628A (en) | 2020-12-16 | 2020-12-16 | Cobalt-zirconium-vanadium environment-friendly film forming agent, aluminum material and surface film forming treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112760628A true CN112760628A (en) | 2021-05-07 |
Family
ID=75695816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011492889.1A Withdrawn CN112760628A (en) | 2020-12-16 | 2020-12-16 | Cobalt-zirconium-vanadium environment-friendly film forming agent, aluminum material and surface film forming treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112760628A (en) |
-
2020
- 2020-12-16 CN CN202011492889.1A patent/CN112760628A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3385405B1 (en) | Chromium-free surface-treated tinplate, production method and surface treating agent therefor | |
| CN112760628A (en) | Cobalt-zirconium-vanadium environment-friendly film forming agent, aluminum material and surface film forming treatment method thereof | |
| WO2017214781A1 (en) | Chromium-free washing-free coating agent, aluminium material and method for coating treatment of surface thereof | |
| CN112725782A (en) | Cobalt-titanium film forming agent, aluminum material and surface coating treatment method thereof | |
| CN112760625A (en) | Trivalent chromium coating agent, aluminum material and surface coating treatment method thereof | |
| CN112647069A (en) | Environment-friendly titanium lanthanum film forming agent, aluminum material and surface film forming treatment method thereof | |
| CN112695309A (en) | Magnesium-zirconium environment-friendly film forming agent, aluminum material and surface film treatment method thereof | |
| CN112695312A (en) | Molybdenum-zirconium type phosphorus-free passivator, metal part and surface passivation treatment method thereof | |
| CN112647070A (en) | Trivalent chromium coating agent, aluminum material and surface coating treatment method thereof | |
| CN112708881A (en) | Chromium-free no-clean lanthanide film agent, aluminum material and surface film treatment method thereof | |
| CN112708879A (en) | Tungsten-containing environment-friendly coating agent, aluminum material and surface coating treatment method thereof | |
| CN112725780A (en) | Chromium-free no-clean vanadium-zirconium coating agent, aluminum material and surface coating treatment method thereof | |
| CN112760624A (en) | Chromium-free and washing-free environment-friendly coating agent, aluminum material and surface coating treatment method thereof | |
| CN112708876A (en) | Chromium-free no-clean polyurethane film forming agent, aluminum material and surface film treatment method thereof | |
| CN112708877A (en) | Chromium-free no-clean modified coating agent, aluminum material and surface coating treatment method thereof | |
| CN112725778A (en) | Chromium-free no-clean coating agent, aluminum material and surface coating treatment method thereof | |
| CN112725781A (en) | Tungsten-containing organic film forming agent, aluminum material and surface film treatment method thereof | |
| CN112725777A (en) | Fluorine modified organic film forming agent, aluminum material and surface film treatment method thereof | |
| CN112725786A (en) | Cobalt-containing phosphating agent, metal piece and surface phosphating method thereof | |
| CN112725779A (en) | Chromium-free silicon-free washing coating agent, aluminum material and surface coating treatment method thereof | |
| WO2018000233A1 (en) | Aluminium material passivator, aluminium material and method for passivation treatment of surface thereof | |
| WO2018006270A1 (en) | Chromium-free aluminum conversion coating agent, aluminum material, and surface conversion coating treatment method | |
| CN110651065A (en) | Phosphating agent, metal piece and surface phosphating method thereof | |
| WO2019000448A1 (en) | Stainless steel passivator and method for passivating surface of stainless steel part | |
| WO2019006628A1 (en) | Chromium-free passivator, aluminum part and surface passivation process therefor |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210507 |