CN110846155A - Adhesive remover and application method thereof - Google Patents
Adhesive remover and application method thereof Download PDFInfo
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- CN110846155A CN110846155A CN201910955812.4A CN201910955812A CN110846155A CN 110846155 A CN110846155 A CN 110846155A CN 201910955812 A CN201910955812 A CN 201910955812A CN 110846155 A CN110846155 A CN 110846155A
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- adhesive
- remover
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5022—Organic solvents containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/263—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3218—Alkanolamines or alkanolimines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3281—Heterocyclic compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
Abstract
The invention provides a degumming agent, which comprises the following components in parts by weight: 280-500 parts of alcohol solvent, 1.5-2 parts of auxiliary agent, 220-280 parts of humectant and the balance of water. The invention also provides an application method of the adhesive remover. The adhesive removing agent and the application method thereof can effectively remove the adhesive from the base material, have high adhesive removing efficiency and are not easy to damage the base material.
Description
Technical Field
The invention relates to a degumming agent and an application method of the degumming agent.
Background
In recent years, in the production or assembly process of 3C products (such as mobile phones, tablet computers or notebook computers), it is often necessary to bond workpieces by an adhesive. For example, glass and metal substrates are bonded by adhesives. However, during the production or assembly of the product, if the product is defective and needs to be reprocessed, the adhesive is usually removed to separate the bonded workpieces. At present, a mechanical separation method is mostly adopted to remove the adhesive between the glass and the aluminum base material, namely, the glass and the aluminum base material are separated forcibly by utilizing mechanical pressing force. However, after mechanical separation, glass will be damaged and then scrapped, and the glue that solidifies still needs to be removed with the help of the manual work use blade on the aluminum base material, and the degree of difficulty is big, consuming time is long and efficiency is lower, still causes the scratch of bumping of substrate easily.
Disclosure of Invention
In view of the above, it is necessary to provide a glue remover and a method for applying the same to solve the above problems.
The adhesive remover comprises the following components in parts by weight: 280-500 parts of alcohol solvent, 1.5-2 parts of auxiliary agent, 220-280 parts of humectant and the balance of water.
A method of applying a degelling agent, the method comprising removing adhesive between two substrates using the degelling agent, wherein each of the substrates is selected from one of a glass substrate and a metal substrate.
The adhesive removing agent disclosed by the invention can effectively remove the adhesive from the base material, is high in adhesive removing efficiency and is not easy to damage the base material. The application method of the adhesive remover can separate two base materials combined by the adhesive without using a mechanical device for separation, has high yield and efficiency of adhesive removal, and has little influence on the appearance and the performance of the base materials.
Detailed Description
In order that the above objects, features and advantages of the present invention may be more clearly understood, the present invention will be described in detail below with reference to specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention provides a glue remover in a preferred embodiment, which is used for removing an adhesive on a substrate. The degumming agent comprises, by weight, 280-500 parts of alcohol solvent, 1.5-2 parts of auxiliary agent, 220-280 parts of humectant, 4-6 parts of corrosion inhibitor and the balance of water.
The alcohol solvent comprises at least one of methanol, benzyl alcohol, diethylene glycol, absolute ethyl alcohol, ethylene glycol, propylene glycol, dipropylene glycol, 1, 4-butanediol, isopropanol and n-butanol, and is used for dissolving the adhesive by promoting molecular bond breakage or by similar intermiscibility.
The auxiliary agent is used for accelerating the dissolution of the adhesive or accelerating the swelling of the adhesive in a similar and compatible mode, so that the dissolving power of the adhesive remover on the adhesive is improved. The auxiliary agent is at least one of limonene, ethylene glycol butyl ether, diethylene glycol monobutyl ether, diethylene glycol monomethyl ether, triethylene glycol monomethyl ether, diethylene glycol monoethyl ether, triethylene glycol monoethyl ether, ethylene glycol monopropyl ether, propylene glycol methyl ether, dimethyl sulfoxide, 2-bromonaphthalene and the like. Preferably, the auxiliary agent may be an ether auxiliary agent.
The humectant is used for slowing down the volatilization of the degumming agent and prolonging the service life of the degumming agent. In one embodiment, the humectant includes 217.5 to 278 parts glycerin, and 2 to 2.5 parts triethanolamine.
In another embodiment, the humectant comprises only 220 and 280 parts glycerin.
In yet another embodiment, the humectant is polyethylene glycol.
The corrosion inhibitor is used for reducing the corrosion of the degumming agent to a base material, and can comprise at least one of Benzotriazole (BTA), imidazole, sodium gluconate, sodium benzoate and potassium gluconate.
It can be understood that for active weak metals and alloys thereof, and stainless steel substrates, the adhesive remover is not prone to corrosion on the substrate, and therefore, the corrosion inhibitor can be omitted, that is, the adhesive remover only comprises an alcohol solvent, an auxiliary agent, a humectant and water. Preferably, the degumming agent comprises, by weight, 280-500 parts of alcohol solvent, 1.5-2 parts of auxiliary agent, 220-280 parts of humectant and the balance of water.
The adhesive remover is suitable for metal base materials such as aluminum materials and the like, glass base materials, stainless steel base materials and the like. The alcohol solvent in the degumming agent can dissolve the adhesive, the auxiliary agent can improve the dissolving power, the humectant can slow down the volatilization of the degumming agent, and meanwhile, the corrosion inhibitor can slow down the corrosion of the degumming agent to a base material. Therefore, the alcohol solvent, the auxiliary agent, the humectant and the corrosion inhibitor in the adhesive remover can effectively remove the adhesive from the base material under the combined action, the adhesive removing efficiency is high, the base material is not easy to damage, and the influence on the appearance and the performance of the base material is small. The adhesive is particularly suitable for dissolving methacrylic resin and methacrylic resin adhesives, the methacrylic resin and methacrylic resin adhesives contain double bonds, and alcohol solvents promote the double bond fracture to generate an activation center, so that the activity of free radicals and free radicals is enhanced, similar intermiscibility is realized, oxygen atoms contained in ether bonds in the auxiliary agents are more easily exposed to molecules, the polarity effect is stronger, and the effect of similar intermiscibility is increased by matching with the alcohol solvents.
The degelling agent of the present invention is further described in detail with reference to examples.
Example 1
In the embodiment, the degumming agent comprises 447g/L of diethylene glycol, 1.8g/L of butyl cellosolve, 252.3g/L of glycerin, 2.25g/L of triethanolamine, 5g/L of BTA and the balance of water. This embodiment is the most preferred embodiment.
Example 2
In the embodiment, the degumming agent comprises 400g/L of diethylene glycol, 1.5g/L of butyl cellosolve, 217.5g/L of glycerin, 2.5g/L of triethanolamine, 4g/L of BTA and the balance of water.
Example 3
In the embodiment, the degumming agent comprises 500g/L of diethylene glycol, 2g/L of butyl cellosolve, 278g/L of glycerin, 2g/L of triethanolamine, 6g/L of BTA and the balance of water.
Example 4
In the embodiment, the degumming agent comprises 280g/L of absolute ethyl alcohol, 1.5g/L of butyl cellosolve, 217.5g/L of glycerol, 2.5g/L of triethanolamine, 4g/L of BTA and the balance of water.
Example 5
In the embodiment, the degumming agent comprises 320g/L of absolute ethyl alcohol, 1.7g/L of limonene, 270g/L of glycerol, 5g/L of imidazole and the balance of water.
Example 6
In the embodiment, the degumming agent comprises 447g/L of diethylene glycol, 1.5g/L of diethylene glycol monomethyl ether, 250g/L of polyethylene glycol, 3g/L of BTA, 3g/L of imidazole and the balance of water.
Example 7
In the embodiment, the degumming agent comprises 447g/L of diethylene glycol, 1.8g/L of butyl cellosolve, 217.5g/L of glycerol, 2.5g/L of triethanolamine and the balance of water.
Comparative example 1
The degumming agent comprises 447g/L of diethylene glycol and the balance of water.
Comparative example 2
The degumming agent comprises 447g/L of diethylene glycol, 1.8g/L of butyl cellosolve and the balance of water.
The adhesive removing agents of the embodiments 1 and 7 and the comparative examples 1 and 2 are applied to the adhesive removing process of the aluminum material base material, and the performance detection is carried out after the adhesive removing of the base material, wherein the color difference value range qualified by the base material detection is that delta a is-0.2-2, delta b is-0.8-2.4, the glossiness is 7.5-15.5, the film thickness is 10-14 um, and the roughness Ra is 0.5-0.8 um. The results of the tests in examples 1 and 7 and comparative examples 1 and 2 are shown in the following table.
TABLE 1 results of testing the properties of the substrates of examples 1 and 7 and comparative examples 1 and 2
As can be seen from the above table, the examples 1 and 7 can effectively remove the glue without damaging the substrate, and the glue removing effect of the example 1 is the best, and the detection result of the substrate is the best; the detection results of the base materials in comparative examples 1 and 2 cannot meet the requirements of good products.
The invention also provides an application method of the adhesive remover, which comprises the following steps: and removing the adhesive between two substrates by using the adhesive removing agent, wherein each substrate is selected from one of a glass substrate and a metal substrate. The adhesive is methacrylic resin adhesive or methacrylic resin adhesive.
Specifically, the adhesive remover is used for removing an adhesive between a glass substrate and a metal substrate, and/or an adhesive between a metal substrate and a metal substrate, and/or an adhesive between a glass substrate and a glass substrate.
In one embodiment, the above application method is used for removing an adhesive on a workpiece, the two substrates are an aluminum substrate and a glass substrate, and the adhesive is a methacrylic resin adhesive or a methacrylic resin adhesive. The application method specifically comprises the following steps.
Firstly, soaking the workpiece in the degumming agent or coating the degumming agent between two base materials to separate the two base materials.
Specifically, the workpiece is soaked in the degumming agent for 10-30 minutes. In the embodiment, the workpiece is soaked in the adhesive remover for 20 minutes, and the adhesive remover can dissolve the adhesive, so that the two base materials can be separated from each other, the base materials are not corroded, the two separated base materials can be kept complete, and the subsequent rework circulation operation is facilitated. In other embodiments, the degelling agent may be applied between the two substrates by dropping or spot coating. Compared with a coating mode, the mode of soaking the workpiece in the adhesive remover is simple and easy to implement, the efficiency is high, the labor is saved, and the cost is low.
In the embodiment, the degumming agent comprises 447g/L of diethylene glycol, 1.8g/L of butyl cellosolve, 252.3g/L of glycerin, 2.25g/L of triethanolamine, 5g of BTA and the balance of water.
And then, the adhesive remover is coated on the area of the substrate with the adhesive so as to remove the residual adhesive on the substrate.
Because the adhesive may remain on the separated base material, the adhesive remover is coated on the area with the adhesive on the aluminum base material, and after standing for 10-60 minutes, the adhesive remover and the adhesive can be removed by wiping, washing or vacuum suction.
In the present embodiment, after the adhesive removing agent is applied for 30 minutes, the aluminum base material is wiped with a cotton swab or a nonwoven fabric to remove the remaining adhesive.
By verification, 150 workpieces are put into the aluminum base material, the glue removal yield reaches 100%, and the plastic structure on the aluminum base material is not broken. Under the condition of guaranteeing the glue removing quality, the glue removing time required manually is only 35 seconds, and the traditional manual glue removing time is about 120 seconds, so that the glue removing method does not need to use a mechanical device to separate two combined base materials, and the glue removing efficiency is higher.
In addition, 12 pieces of the aluminum base material after removing the glue were extracted and subjected to performance test, and the test results are shown in the following table.
TABLE 2 Performance test results of the degummed aluminum base material
| Detecting items | Number of substrates | Number of good products | Yield of |
| Color difference detection | 12 | 11 | 91.67％ |
| Gloss measurement | 12 | 12 | 100.00％ |
| Film thickness detection | 12 | 11 | 91.67％ |
| Roughness measurement | 12 | 12 | 100.00％ |
According to the detection results, the yield of the aluminum base material is good in color difference, glossiness, thickness and roughness of the anodic oxide film, and the effect of the adhesive remover on the appearance and performance of the base material is small, so that the subsequent reworking operation is facilitated, and the production cost is saved.
In addition, it is obvious to those skilled in the art that other various corresponding changes and modifications can be made according to the technical idea of the present invention, and all such changes and modifications should fall within the scope of the claims of the present invention.
While the preferred embodiments of the invention have been illustrated and described, it will be appreciated by those skilled in the art that various changes and modifications may be made without departing from the true scope of the invention. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The adhesive remover comprises the following components in parts by weight: 280-500 parts of alcohol solvent, 1.5-2 parts of auxiliary agent, 220-280 parts of humectant and the balance of water.
2. The adhesive remover according to claim 1, wherein the alcohol solvent comprises at least one of methanol, benzyl alcohol, diethylene glycol, absolute ethanol, ethylene glycol, propylene glycol, dipropylene glycol, 1, 4-butanediol, isopropanol, and n-butanol, and is used for dissolving the adhesive.
3. The adhesive remover according to claim 1, wherein the auxiliary agent is at least one of limonene, ethylene glycol butyl ether, diethylene glycol monobutyl ether, diethylene glycol monomethyl ether, triethylene glycol monomethyl ether, diethylene glycol monoethyl ether, triethylene glycol monoethyl ether, ethylene glycol monopropyl ether, propylene glycol methyl ether, dimethyl sulfoxide, and 2-bromonaphthalene.
4. The glue remover as claimed in claim 1, wherein the humectant comprises 217.5-278 parts of glycerin, and 2-2.5 parts of triethanolamine.
5. The adhesive remover of claim 1, wherein the humectant is polyethylene glycol.
6. The glue remover of claim 1, further comprising a corrosion inhibitor comprising one or more of BTA, imidazole, sodium gluconate, sodium benzoate, potassium gluconate.
7. The gel remover as claimed in claim 6, wherein the gel remover comprises 280g/L of absolute ethyl alcohol, 1.5g/L of butyl glycol ether, 217.5g/L of glycerol, 2.5g/L of triethanolamine, 4g/L of BTA, and the balance of water.
8. The glue remover of claim 6, which comprises 447g/L of diethylene glycol, 1.8g/L of butyl cellosolve, 252.3g/L of glycerin, 2.25g/L of triethanolamine, 5g/L of BTA, and the balance of water.
9. A method for using the resist remover according to any one of claims 1 to 8, comprising removing the adhesive between two substrates each selected from the group consisting of a glass substrate and a metal substrate using the resist remover.
10. The method of using the adhesive remover according to claim 9, wherein the adhesive is a methacrylic resin adhesive or a methacrylic resin adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955812.4A CN110846155A (en) | 2019-10-09 | 2019-10-09 | Adhesive remover and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910955812.4A CN110846155A (en) | 2019-10-09 | 2019-10-09 | Adhesive remover and application method thereof |
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| CN110846155A true CN110846155A (en) | 2020-02-28 |
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| CN201910955812.4A Withdrawn CN110846155A (en) | 2019-10-09 | 2019-10-09 | Adhesive remover and application method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143589A (en) * | 2020-09-21 | 2020-12-29 | 禹城市三星科技有限公司 | Degumming agent for quickly removing anaerobic adhesive |
| CN112979182A (en) * | 2021-03-24 | 2021-06-18 | 芜湖长信科技股份有限公司 | Stripping method for ultrathin flexible cover plate |
| CN113214915A (en) * | 2021-04-26 | 2021-08-06 | 深圳市恒享表面处理技术有限公司 | Oil removing agent and preparation method thereof |
| CN113444583A (en) * | 2021-06-25 | 2021-09-28 | 山东新华莎罗雅生物技术有限公司 | Medical degumming agent and preparation method thereof |
| CN114774217A (en) * | 2022-04-13 | 2022-07-22 | 浙江迪安鉴识科技有限公司 | Adhesive remover with low solubility and high adhesion, and preparation method and application thereof |
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| CN102260599A (en) * | 2011-06-15 | 2011-11-30 | 于文 | Environment-friendly degumming agent |
| CN107447227A (en) * | 2016-05-30 | 2017-12-08 | 钟发昌 | A kind of stainless steel adhesive remover |
| CN107805550A (en) * | 2017-07-06 | 2018-03-16 | 上海新阳半导体材料股份有限公司 | A kind of glue-dispenser, its preparation method and application available for deburring |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143589A (en) * | 2020-09-21 | 2020-12-29 | 禹城市三星科技有限公司 | Degumming agent for quickly removing anaerobic adhesive |
| CN112979182A (en) * | 2021-03-24 | 2021-06-18 | 芜湖长信科技股份有限公司 | Stripping method for ultrathin flexible cover plate |
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| CN113214915A (en) * | 2021-04-26 | 2021-08-06 | 深圳市恒享表面处理技术有限公司 | Oil removing agent and preparation method thereof |
| CN113444583A (en) * | 2021-06-25 | 2021-09-28 | 山东新华莎罗雅生物技术有限公司 | Medical degumming agent and preparation method thereof |
| CN114774217A (en) * | 2022-04-13 | 2022-07-22 | 浙江迪安鉴识科技有限公司 | Adhesive remover with low solubility and high adhesion, and preparation method and application thereof |
| CN114774217B (en) * | 2022-04-13 | 2023-11-24 | 浙江迪安鉴识科技有限公司 | Low-solubility high-adhesion adhesive remover, and preparation method and application thereof |
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