CN115261873A - Aluminum corrosion inhibitor under alkaline condition - Google Patents
Aluminum corrosion inhibitor under alkaline condition Download PDFInfo
- Publication number
- CN115261873A CN115261873A CN202210781998.8A CN202210781998A CN115261873A CN 115261873 A CN115261873 A CN 115261873A CN 202210781998 A CN202210781998 A CN 202210781998A CN 115261873 A CN115261873 A CN 115261873A
- Authority
- CN
- China
- Prior art keywords
- aluminum
- corrosion inhibitor
- parts
- aluminum corrosion
- under alkaline
- 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.)
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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
- 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
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
-
- 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
Abstract
The invention relates to an aluminum corrosion inhibitor under alkaline conditions, which comprises the following components in parts by weight: 10-50 parts of aluminum corrosion inhibitor, 10-20 parts of cosolvent, 1-6 parts of corrosion inhibition auxiliary agent and 60-100 parts of water. The invention has the advantages that: has high solubility in water and no residue, and is suitable for being added into inorganic alkaline membrane removing liquid. The aluminum protective agent adopts a form of compounding an organic corrosion inhibitor and an organic matter, greatly improves the aluminum corrosion inhibition effect, has a good corrosion inhibition effect on fine aluminum wires, and reduces the loss of product quality.
Description
Technical Field
The invention relates to an aluminum corrosion inhibitor under an alkaline condition, and belongs to the field of touch screens.
Background
With the development of electronic technology, network technology and the popularization of internet application, a new generation of Touch screen technology TP (Touch Panel) and products are appearing in succession, and many advantages of robustness, high response speed, space saving, easy communication and the like are well accepted by the public.
The touch screen circuit board mostly adopts aluminum wires to replace copper wires, and the aluminum wires have high conductivity, but the wires are thin and about 10 micrometers. The manufacturing process of the touch screen circuit board generally adopts inorganic alkali film removing liquid, the film removing cost is low, the environmental pollution is small, but aluminum is not corrosion-resistant in alkali, and the alkali can react with an oxide film on the surface of the aluminum to generate sodium metaaluminate and water. After the oxide film is damaged, the alkali and the aluminum further react to cause the corrosion of the aluminum, the concentration of the alkali liquor is increased, the temperature is increased, and the corrosion speed of the aluminum is rapidly increased. Therefore, the development of the aluminum corrosion inhibitor used in the alkaline stripping solution has great market prospect.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an aluminum corrosion inhibitor under alkaline conditions, and the technical scheme of the invention is as follows:
an aluminum corrosion inhibitor under alkaline conditions comprises the following components in parts by weight: 10-50 parts of aluminum corrosion inhibitor, 10-20 parts of cosolvent, 1-6 parts of corrosion inhibition auxiliary agent and 60-100 parts of water.
30 parts of aluminum corrosion inhibitor, 15 parts of cosolvent, 3 parts of corrosion inhibition auxiliary agent and 80 parts of water.
The aluminum corrosion inhibitor is a surface variation type corrosion inhibitor, and when the aluminum corrosion inhibitor is subjected to chemical reaction with aluminum, a reaction product covers the surface of the aluminum to prevent further reaction of alkali liquor and the aluminum; the aluminum corrosion inhibitor is one of amino acids, phenols or fatty acid amine salt with chelating effect.
The cosolvent is an amide compound, and the amide compound is one of urea, nicotinamide or acetamide.
The corrosion inhibition auxiliary agent is an imidazole compound, including but not limited to 2-mercaptobenzimidazole, benzimidazole or carbonyl imidazole.
The invention has the advantages that: has high solubility in water and no residue, and is suitable for being added into inorganic alkaline membrane removing liquid. The aluminum protective agent adopts a form of compounding an organic corrosion inhibitor and an organic matter, greatly improves the aluminum corrosion inhibition effect, has a good corrosion inhibition effect on fine aluminum wires, and reduces the loss of product quality.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Example 1: an aluminum corrosion inhibitor under alkaline conditions comprises the following components in parts by weight: 10 parts of aluminum corrosion inhibitor, 10 parts of cosolvent, 1 part of corrosion inhibition auxiliary agent and 60 parts of water.
The aluminum corrosion inhibitor is a surface-changing corrosion inhibitor, and when the aluminum corrosion inhibitor and aluminum are subjected to chemical reaction, a reaction product covers the surface of the aluminum to prevent further reaction of alkali liquor and the aluminum; the aluminum corrosion inhibitor is one of amino acids, phenols or fatty acid amine salt with chelating effect, and is glycine in the embodiment.
The cosolvent is an amide compound, and the amide compound is one of urea, nicotinamide or acetamide, and in this embodiment, acetamide.
The corrosion inhibition aid is an imidazole compound including, but not limited to, 2-mercaptobenzimidazole, benzimidazole or carbonylimidazole, in this example 2-mercaptobenzimidazole.
Example 2: an aluminum corrosion inhibitor under alkaline conditions comprises the following components in parts by weight: 30 parts of aluminum corrosion inhibitor, 15 parts of cosolvent, 3 parts of corrosion inhibition auxiliary agent and 80 parts of water.
The aluminum corrosion inhibitor is a surface-changing corrosion inhibitor, and when the aluminum corrosion inhibitor and aluminum are subjected to chemical reaction, a reaction product covers the surface of the aluminum to prevent further reaction of alkali liquor and the aluminum; the aluminum corrosion inhibitor is one of amino acids, phenols or fatty acid amine salt with chelating function, and in the embodiment, is slightly-based amine chirp.
The cosolvent is an amide compound, and the amide compound is one of urea, nicotinamide or acetamide, and in this embodiment, acetamide.
The corrosion inhibition aid is an imidazole-based compound, including but not limited to 2-mercaptobenzimidazole, benzimidazole, or carbonylimidazole, in this example 2-mercaptobenzimidazole.
Example 3: an aluminum corrosion inhibitor under alkaline conditions comprises the following components in parts by weight: 50 parts of aluminum corrosion inhibitor, 20 parts of cosolvent, 6 parts of corrosion inhibition auxiliary agent and 100 parts of water.
The aluminum corrosion inhibitor is a surface-changing corrosion inhibitor, and when the aluminum corrosion inhibitor and aluminum are subjected to chemical reaction, a reaction product covers the surface of the aluminum to prevent further reaction of alkali liquor and the aluminum; the aluminum corrosion inhibitor is one of amino acids, phenols or fatty acid amine salt with chelating effect, and is glycine in the embodiment.
The cosolvent is an amide compound, the amide compound is one of urea, nicotinamide or acetamide, and in this embodiment, urea.
The corrosion inhibition aid is an imidazole compound including, but not limited to, 2-mercaptobenzimidazole, benzimidazole or carbonylimidazole, in this example 2-mercaptobenzimidazole.
According to the embodiment of the application, the novel aluminum corrosion inhibitor under the alkaline condition is provided, the aluminum protective agent adopts a form of compounding the organic corrosion inhibitor and the organic matter, the aluminum corrosion inhibition effect is further improved, and the aluminum corrosion inhibitor also has a good corrosion inhibition effect on fine aluminum wires.
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.
| Comparative example | Microetching amount/ɥ m | Heterochromatic condition of aluminum wire | Surface residual condition |
| Benzotriazole | 0.03 | Heterochromatic aluminum surface | The residue on the whole surface causes different colors |
| Example 1 | Almost has no micro-corrosion to aluminum | No heterochrosis | Has no residue |
| Example 2 | Almost has no micro-corrosion to aluminum | No heterochrosis | Has no residue |
Compared with a product with a single component, the product has no consideration to various performance requirements of the product, the product provided by the invention has almost no micro-corrosion to aluminum, and basically no residue is formed on the surface of an aluminum wire, and no aluminum layer heterochromous condition exists.
Claims (5)
1. An aluminum corrosion inhibitor under alkaline conditions is characterized by comprising the following components in parts by weight: 10-50 parts of aluminum corrosion inhibitor, 10-20 parts of cosolvent, 1-6 parts of corrosion inhibition auxiliary agent and 60-100 parts of water.
2. The aluminum corrosion inhibitor under alkaline conditions as claimed in claim 1,
30 parts of aluminum corrosion inhibitor, 15 parts of cosolvent, 3 parts of corrosion inhibition auxiliary agent and 80 parts of water.
3. The aluminum corrosion inhibitor under alkaline conditions as claimed in claim 1 or 2, wherein the aluminum corrosion inhibitor is a surface-modified corrosion inhibitor, and when the aluminum corrosion inhibitor is chemically reacted with aluminum, the reaction product covers the surface of the aluminum corrosion inhibitor to prevent further reaction of alkali liquor and the aluminum corrosion inhibitor; the aluminum corrosion inhibitor is one of amino acids, phenols or fatty acid amine salt with chelating effect.
4. The aluminum corrosion inhibitor under alkaline conditions as claimed in claim 1 or 2, wherein the cosolvent is an amide compound, and the amide compound is one of urea, nicotinamide or acetamide.
5. The aluminum corrosion inhibitor under alkaline conditions according to claim 1 or 2, wherein the corrosion inhibition auxiliary agent is an imidazole compound, including but not limited to 2-mercaptobenzimidazole, benzimidazole or carbonylimidazole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781998.8A CN115261873A (en) | 2022-07-05 | 2022-07-05 | Aluminum corrosion inhibitor under alkaline condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781998.8A CN115261873A (en) | 2022-07-05 | 2022-07-05 | Aluminum corrosion inhibitor under alkaline condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115261873A true CN115261873A (en) | 2022-11-01 |
Family
ID=83764136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210781998.8A Pending CN115261873A (en) | 2022-07-05 | 2022-07-05 | Aluminum corrosion inhibitor under alkaline condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115261873A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367759A (en) * | 2016-10-08 | 2017-02-01 | 广州米奇化工有限公司 | Aluminum corrosion inhibitor as well as preparation method thereof and application thereof |
| CN109023381A (en) * | 2018-10-25 | 2018-12-18 | 中国石油大学(华东) | Neutralize corrosion inhibiter and its preparation method and application |
-
2022
- 2022-07-05 CN CN202210781998.8A patent/CN115261873A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367759A (en) * | 2016-10-08 | 2017-02-01 | 广州米奇化工有限公司 | Aluminum corrosion inhibitor as well as preparation method thereof and application thereof |
| CN109023381A (en) * | 2018-10-25 | 2018-12-18 | 中国石油大学(华东) | Neutralize corrosion inhibiter and its preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 谢彬: ""氨基酸类铜缓蚀剂复配增效及其机理研究"", 《中国优秀硕士学位论文全文数据库》 * |
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