CN111349922A - Preparation method of environment-friendly aluminum passivation film treating agent - Google Patents
Preparation method of environment-friendly aluminum passivation film treating agent Download PDFInfo
- Publication number
- CN111349922A CN111349922A CN202010133203.3A CN202010133203A CN111349922A CN 111349922 A CN111349922 A CN 111349922A CN 202010133203 A CN202010133203 A CN 202010133203A CN 111349922 A CN111349922 A CN 111349922A
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- Prior art keywords
- treating agent
- preparation
- environment
- forming resin
- friendly aluminum
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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
- 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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/56—Treatment of aluminium or alloys based thereon
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- 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 provides a preparation method of an environment-friendly aluminum passivation coating treating agent, which comprises the following steps: s1, adding the silane film-forming resin into a propylene glycol solvent, uniformly stirring, and standing for a period of time to cool the stirred mixture; s2, adding water into the mixture obtained in the step S1, stirring uniformly, adding the zirconium-titanium compound, citric acid and triethanolamine, and stirring uniformly to obtain the treating agent. The treating agent produced by the preparation method does not contain heavy metal ions, phosphorus, chromium, nitrite and other substances, prevents water body pollution, saves a waste water purifying process for enterprises, and saves production cost; the treating agent is non-corrosive, non-combustible and non-explosive, and is extremely safe in the process of enterprise production or user use.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of aluminum passivation film treatment, in particular to a preparation method of an environment-friendly aluminum passivation film treating agent.
[ background of the invention ]
The aluminum profile needs to be subjected to a passive film treatment process before powder paint is sprayed, otherwise the binding force of the sprayed coating and the base material is difficult to reach the national standard, and the coating is easy to fall off. Therefore, aluminum materials need to be pretreated and passivated, most of the mature film passivators in the prior art contain serious components of pollutants such as chromium, phosphorus and the like, and with the improvement of national requirements on environmental protection, the wastewater generated by the existing film passivators seriously exceeds the standard, so that the enterprises can only purify the industrial wastewater through a later water purification process, and then the industrial wastewater reaches the emission standard and is discharged, but the production cost of the enterprises is also greatly improved.
[ summary of the invention ]
The invention aims to overcome the problems and provides a preparation method of an environment-friendly aluminum passivation film treating agent, and the passivation film treating agent produced by the method does not contain heavy metal ions, phosphorus, chromium, nitrite and other substances, so that water pollution is avoided; the treating agent is non-corrosive, non-combustible and non-explosive, and is extremely safe in the process of enterprise production or user use.
In order to realize the aim, the invention provides a preparation method of an environment-friendly aluminum material passivation coating treatment agent, which comprises the following steps:
s1, adding the silane film-forming resin into a propylene glycol solvent, uniformly stirring, and standing for a period of time to cool the stirred mixture;
s2, adding water into the mixture obtained in the step S1, stirring uniformly, adding the zirconium-titanium compound, citric acid and triethanolamine, and stirring uniformly to obtain the treating agent.
In one or more embodiments, the silane film-forming resin is formulated in percentage by weight of 1.3% to 1.7%, propylene glycol solvent 9.5% to 11%, water 54% to 57%, zirconium titanium complex 8% to 12%, citric acid 7% to 9%, and triethanolamine 13% to 17%.
In one or more embodiments, the silane film-forming resin is 1.5%, propylene glycol solvent 10%, water 55.5%, zirconium titanium complex 10%, citric acid 8%, triethanolamine 15%.
In one or more embodiments, the treating agent prepared in S2 has a PH of 4.2 to 4.7.
In one or more embodiments, in S1, the silane film-forming resin and the propylene glycol solvent are stirred uniformly and then allowed to stand for 1.5 to 2.5 hours.
In one or more embodiments, in S1, the silane film-forming resin and the propylene glycol solvent are stirred uniformly in a stirred tank reactor.
The invention has the following effects: the treating agent produced by the preparation method does not contain heavy metal ions, phosphorus, chromium, nitrite and other substances, prevents water body pollution, saves a waste water purifying process for enterprises, and saves production cost; the treating agent is non-corrosive, non-combustible and non-explosive, and is extremely safe in the process of enterprise production or user use.
[ detailed description ] embodiments
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
The invention provides a preparation method of an environment-friendly aluminum passivation coating treating agent, which is prepared from the following raw materials in percentage by weight:
1.3-1.7% of silane film-forming resin, 9.5-11% of propylene glycol solvent, 54-57% of water, 8-12% of zirconium-titanium compound, 7-9% of citric acid and 13-17% of triethanolamine;
the treating agent is prepared by the following steps:
s1, adding silane film-forming resin into a propylene glycol solvent, stirring uniformly, standing for a period of time to cool the stirred mixture, wherein the standing and cooling time is 1.5-2.5 hours, and the normal temperature can be reached after standing for 2 hours generally.
S2, adding water into the mixture obtained in the step S1, uniformly stirring, adding the zirconium-titanium compound, citric acid and triethanolamine, and uniformly stirring to obtain the treating agent.
Preferably, the silane film-forming resin is 1.5%, the propylene glycol solvent is 10%, the water is 55.5%, the zirconium-titanium composite is 10%, the citric acid is 8%, and the triethanolamine is 15%.
The treatment effect is optimal when the pH value of the treatment agent prepared by the S2 is 4.2-4.7, and the pH value of the treatment agent prepared by the scheme can be adjusted by adopting a sodium carbonate solution.
In S1, the silane film-forming resin and the propylene glycol solvent are stirred uniformly in a stirring reaction kettle.
In addition to the above embodiments, the present invention may have other embodiments, and the technical solutions formed by equivalent substitutions or equivalent transformations are all within the protection scope of the present invention.
Claims (6)
1. The preparation method of the environment-friendly aluminum passivation film treating agent is characterized by comprising the following steps of:
s1, adding the silane film-forming resin into a propylene glycol solvent, uniformly stirring, and standing for a period of time to cool the stirred mixture;
s2, adding water into the mixture obtained in the step S1, stirring uniformly, adding the zirconium-titanium compound, citric acid and triethanolamine, and stirring uniformly to obtain the treating agent.
2. The preparation method of the environment-friendly aluminum material passivation film treating agent as claimed in claim 1, characterized in that: the silane film-forming resin comprises, by weight, 1.3% -1.7% of silane film-forming resin, 9.5% -11% of propylene glycol solvent, 54% -57% of water, 8% -12% of zirconium-titanium compound, 7% -9% of citric acid and 13% -17% of triethanolamine.
3. The preparation method of the environment-friendly aluminum material passivation film treating agent as claimed in claim 2, characterized in that: the silane film-forming resin comprises 1.5% of silane film-forming resin, 10% of propylene glycol solvent, 55.5% of water, 10% of zirconium-titanium compound, 8% of citric acid and 15% of triethanolamine.
4. The preparation method of the environment-friendly aluminum material passivation film treating agent as claimed in claim 1, characterized in that: the pH value of the treating agent prepared from S2 is 4.2-4.7.
5. The preparation method of the environment-friendly aluminum material passivation film treating agent as claimed in claim 1, characterized in that: in S1, the silane film-forming resin and the propylene glycol solvent are stirred uniformly and then are kept stand for 1.5 to 2.5 hours.
6. The preparation method of the environment-friendly aluminum material passivation film treating agent as claimed in claim 1, characterized in that: in S1, the silane film-forming resin and the propylene glycol solvent are stirred uniformly in a stirring reaction kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133203.3A CN111349922A (en) | 2020-03-01 | 2020-03-01 | Preparation method of environment-friendly aluminum passivation film treating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133203.3A CN111349922A (en) | 2020-03-01 | 2020-03-01 | Preparation method of environment-friendly aluminum passivation film treating agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111349922A true CN111349922A (en) | 2020-06-30 |
Family
ID=71190829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010133203.3A Withdrawn CN111349922A (en) | 2020-03-01 | 2020-03-01 | Preparation method of environment-friendly aluminum passivation film treating agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111349922A (en) |
-
2020
- 2020-03-01 CN CN202010133203.3A patent/CN111349922A/en not_active Withdrawn
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| 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: 20200630 |