CN113943610A - Water-based adhesive remover applied to OCA optical adhesive on mobile phone cover plate and preparation method thereof - Google Patents
Water-based adhesive remover applied to OCA optical adhesive on mobile phone cover plate and preparation method thereof Download PDFInfo
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- CN113943610A CN113943610A CN202111281412.3A CN202111281412A CN113943610A CN 113943610 A CN113943610 A CN 113943610A CN 202111281412 A CN202111281412 A CN 202111281412A CN 113943610 A CN113943610 A CN 113943610A
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- China
- Prior art keywords
- water
- cover plate
- mobile phone
- phone cover
- oca optical
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000000853 adhesive Substances 0.000 title claims abstract description 93
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 93
- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims description 23
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 59
- 229960001047 methyl salicylate Drugs 0.000 claims abstract description 53
- 239000002904 solvent Substances 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000007935 neutral effect Effects 0.000 claims abstract description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 108
- 229940057995 liquid paraffin Drugs 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 38
- 235000015165 citric acid Nutrition 0.000 claims description 36
- 239000004568 cement Substances 0.000 claims description 34
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 25
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 20
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 14
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 13
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 claims description 8
- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 claims description 7
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 235000012208 gluconic acid Nutrition 0.000 claims description 3
- 239000000174 gluconic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- 239000004902 Softening Agent Substances 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000203 mixture Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 229960002887 deanol Drugs 0.000 description 5
- 239000012972 dimethylethanolamine Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002522 swelling effect Effects 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- IXQGCWUGDFDQMF-UHFFFAOYSA-N o-Hydroxyethylbenzene Natural products CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000006068 taste-masking agent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/18—Hydrocarbons
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2082—Polycarboxylic acids-salts thereof
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
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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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/32—Amides; Substituted amides
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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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/18—Glass; Plastics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Detergent Compositions (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a water-based adhesive remover for OCA optical adhesive applied to a mobile phone cover plate, which comprises the following components in percentage by mass: 10-25% of methyl salicylate, 35-55% of solubilizer, 0.2-0.8% of penetrant, 3-5% of softener, 1.5-3% of odor-masking agent, 0.2-1.5% of pH value regulator and 10-40% of water; the aqueous degumming agent is neutral. According to the invention, the methyl salicylate, the solubilizer, the penetrating agent, the softener, the odor-masking agent and the pH regulator are scientifically proportioned, so that the functions of the components are combined and cooperated, the OCA glue can be easily removed, the glue removing efficiency is high, the effect is good, the glue can be completely removed by 100%, no residue is generated, the black oil on the cover plate cannot be corroded and damaged, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of degumming agents, in particular to a water-based degumming agent applied to OCA optical cement on a mobile phone cover plate and a preparation method thereof.
Background
The OCA optical adhesive is one of the important raw materials of the touch screen, the optical acrylic adhesive is made into a non-base material, then a layer of release film is respectively attached to the upper bottom layer and the lower bottom layer, and the OCA optical adhesive is a double-sided adhesive tape without a base material. It is the best adhesive for touch screens. Its advantages are high clarity, high optical transparency (99% of total light transmittance), high adhesion, high weatherability, water resistance, high temp and ultraviolet resistance, and controlled thickness. However, in the pressing process of the mobile phone cover plate, a plurality of defective products which need to be reworked often appear, thick OCA glue is adhered to the workpieces and needs to be removed for reworking, black oil used for decoration is added to the cover plate except the OCA glue, so that the black oil cannot be corroded when the OCA glue is removed, and the black oil is very easily removed if the glue removing agent is not properly selected.
The Chinese invention application with the application number of CN201910154357.8 discloses 'a water-based adhesive remover safe to a coating', which comprises the following components: 1 to 5 percent of pH regulator; 0.5 to 2 percent of corrosion inhibitor; 1 to 5 percent of accelerant; 25 to 40 percent of swelling agent; 25 to 40 percent of penetrant; 10% -15% of solubilizer; 5 to 10 percent of emulsifier; 10 to 40 percent of water. The invention has weak glue removing capability, the selected ethyl acetate and phenol have strong corrosivity to black oil, and the adopted emulsifiers such as APG, JFC and the like have very large foam and are easy to cause residue, thereby influencing the later-stage process and being not suitable for removing the OCA glue.
The Chinese patent application with the application number of CN201711026850.9 discloses a water-based degumming agent, which comprises strong alkali, a main solvent, a volatilization inhibitor, a cosolvent, a corrosion inhibitor, a penetrating agent, a thickening agent, a surfactant and water. The scheme of the invention contains strong alkali, has strong corrosivity to black oil, can cause scratch of the glass cover plate, and is not suitable for the OCA glue removing process of the mobile phone cover plate.
Therefore, in order to solve the above problems, it is necessary to provide an aqueous degumming agent which can effectively remove OCA optical cement, has low corrosion, and does not damage black oil on a cover plate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate, which can effectively remove the OCA optical adhesive, has low corrosion and does not damage black oil on the cover plate.
In order to achieve the purpose, the invention provides a water-based adhesive remover applied to OCA optical adhesive on a mobile phone cover plate, which comprises the following components in percentage by mass: the water-soluble methyl salicylate comprises, by mass, 10-25% of methyl salicylate, 35-55% of solubilizer, 0.2-0.8% of penetrant, 3-5% of softener, 1.5-3% of odor-masking agent, 0.2-1.5% of pH value regulator and 10-40% of water; the aqueous degumming agent is neutral.
Further preferably, the aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate comprises the following components in percentage by mass: 25% of methyl salicylate, 50-55% of solubilizer, 0.3% of penetrant, 5% of softener, 3% of odor-masking agent, 1-1.2% of pH value regulator and 10.5-15.5% of water.
Further preferably, the aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate comprises the following components in percentage by mass: 25% of methyl salicylate, 55% of solubilizer, 0.3% of penetrant, 5% of softener, 3% of odor-masking agent, 1.2% of pH regulator and 10.5% of water.
Further preferably, the aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate comprises the following components in percentage by mass: 25% of methyl salicylate, 55% of solubilizer, 0.3% of penetrant, 5% of softener, 3% of odor-masking agent, 1% of pH regulator and 10.7% of water.
Further preferably, the solubilizer is one or more of ethylene glycol butyl ether, diethylene glycol butyl ether, ethylene glycol ethyl ether and diethylene glycol ethyl ether.
Further preferably, the penetrant is one or more of basf low-foaming surfactants LF401, LF403, LF305, LS45 and LS 54. LF305 is preferred.
Further preferably, the softener is one or more of triethanolamine, triisopropanolamine, N, N-dimethylacetamide and N-ethylpyrrolidone.
Further preferably, the PH regulator is one or more of citric acid, tartaric acid, oxalic acid, malic acid and gluconic acid. Citric acid is preferred.
Further preferably, the taste masking agent is liquid paraffin.
The invention also provides a preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate, which is used for preparing the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate and comprises the following steps:
uniformly mixing the solubilizer in the formula amount three times and the methyl salicylate in the formula amount to obtain a component A;
step two, putting a PH regulator, a softener and a penetrant into water according to the proportion, stirring and dissolving to obtain a component B;
and step three, slowly adding the component A into the component B at the rotating speed of 350r/min, reducing the rotating speed to 100r/min after the component A is added, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
The invention has the beneficial effects that:
according to the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate, provided by the invention, methyl salicylate, a solubilizer, a penetrating agent, a softener, a smell shielding agent and a pH regulator are scientifically proportioned, so that the functions of all components are combined and cooperated, an excellent adhesive removing effect is achieved, the OCA adhesive has excellent selective swelling property and can quickly penetrate into the OCA adhesive, the intermolecular force of the OCA adhesive is cut off, the OCA adhesive loses viscosity, the OCA adhesive can be easily removed, the adhesive removing efficiency is high, the effect is good, 100% of complete adhesive removal can be achieved, no residue is left, the product is neutral, the black oil on the mobile phone glass cover plate has no corrosion effect, the foam of the product is little, no influence is caused by residue on the product, and the water-based adhesive remover is an environment-friendly water-based product specially used for removing the OCA adhesive on the mobile phone cover plate.
According to the preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate, the solubilizer is uniformly mixed with the methyl salicylate for three times, and a small amount of the solubilizer is mixed for multiple times, so that the mixing uniformity of the solubilizer and the methyl salicylate can be improved, the methyl salicylate is uniformly dispersed in a system, and the adhesive removing performance of the obtained water-based adhesive remover is improved.
Drawings
FIG. 1 is a workpiece before processing;
FIG. 2 is a process of treating OCA optical cement on a mobile phone cover plate by using the aqueous degumming agent provided in example 11;
fig. 3 shows a workpiece after the OCA optical cement on the mobile phone cover plate is treated by the aqueous adhesive remover provided in example 11.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. 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 invention provides a water-based adhesive remover for OCA optical adhesive applied to a mobile phone cover plate, which comprises the following components in percentage by mass: 10-25% of methyl salicylate, 35-55% of solubilizer, 0.2-0.8% of penetrating agent, 3-5% of softener, 1.5-3% of odor-masking agent, 0.2-1.5% of pH value regulator and 10-40% of water.
Methyl salicylate contains benzene ring, phenolic hydroxyl and ester group in its molecular structure, while OCA glue is usually thermoplastic glue of resin cross-linking system, methyl salicylate has good swelling effect on it, and can effectively swell it, so that the distance between internal molecules in OCA glue is increased, the acting force between molecules is reduced, and the viscosity is lost, and the goal of removing glue is reached.
The solubilizer is one or more of ethylene glycol butyl ether, diethylene glycol butyl ether, ethylene glycol ethyl ether and diethylene glycol ethyl ether. The solubilizer can uniformly disperse the methyl salicylate in the water.
The penetrant is one or more of Basff low-foam surfactants LF401, LF403, LF305, LS45 and LS 54. LF305 is preferred. The lipophilic group in the penetrant molecule can wrap the methyl salicylate, and the hydrophilic group has strong polarity and can quickly permeate into the OCA gel under the synergistic action of the penetrant and the solubilizer, so that the methyl salicylate can quickly play a role.
The softener is one or more of triethanolamine, triisopropanolamine, N, N-dimethylacetamide and N-ethylpyrrolidone. The softening agent can effectively reduce the toughness of the OCA glue, so that the swelled OCA glue can be easily eradicated.
The pH value regulator is one or more of citric acid, tartaric acid, oxalic acid, malic acid and gluconic acid. The pH value regulator is used for regulating the acidity and alkalinity of the system, so that the degumming agent is maintained in a neutral state, and black oil on the glass is not damaged while the degumming is carried out.
The smell shielding agent is liquid paraffin and is used for preventing partial components in the degumming agent from volatilizing and ensuring the stability of the environment and the performance of the degumming agent system.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps:
uniformly mixing the solubilizer in the formula amount three times and the methyl salicylate in the formula amount to obtain a component A;
step two, putting a PH regulator, a softener and a penetrant into water according to the proportion, stirring and dissolving to obtain a component B;
and step three, slowly adding the component A into the component B at the rotating speed of 350r/min, reducing the rotating speed to 100r/min after the component A is added, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 1
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 10% of methyl salicylate, 45% of butyl cellosolve, LF 3050.3%, 3% of triethanolamine, 1.5% of liquid paraffin, 0.8% of citric acid and 39.4% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly mixing the ethylene glycol monobutyl ether with the formula amount three times and methyl salicylate with the formula amount uniformly to obtain a component A; adding citric acid, triethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 2
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 10% of methyl salicylate, 25% of butyl glycol ether, 20% of ethylene glycol ethyl ether, 3050.3% of LF, 3% of triisopropanolamine, 1.5% of liquid paraffin, 0.5% of citric acid and 39.6% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing ethylene glycol monobutyl ether and ethylene glycol ethyl ether with the formula amount three times, and uniformly mixing the mixture with methyl salicylate with the formula amount to obtain a component A; adding citric acid, triisopropanolamine and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 3
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 15% of methyl salicylate, 25% of butyl glycol ether, 25% of butyl diglycol ether, LF 3050.3%, 3% of triisopropanolamine, 1.8% of liquid paraffin, 0.5% of citric acid and 29.4% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly mixing ethylene glycol butyl ether and diethylene glycol butyl ether with the formula amount three times and methyl salicylate with the formula amount uniformly to obtain a component A; adding citric acid, triisopropanolamine and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 4
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 15% of methyl salicylate, 25% of butyl glycol ether, 25% of diethylene glycol ethyl ether, 3050.3% of LF, 3% of triethanolamine, 1.8% of liquid paraffin, 0.8% of citric acid and 29.1% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly mixing ethylene glycol butyl ether and diethylene glycol butyl ether with the formula amount three times and methyl salicylate with the formula amount uniformly to obtain a component A; adding citric acid, triethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 5
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 18% of methyl salicylate, 20% of butyl glycol ether, 20% of ethylene glycol ethyl ether, LF 3050.3%, 5% of dimethylethanolamine, 2.0% of liquid paraffin, 0.3% of citric acid and 34.4% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing ethylene glycol monobutyl ether and ethylene glycol ethyl ether with the formula amount three times, and uniformly mixing the mixture with methyl salicylate with the formula amount to obtain a component A; adding citric acid, dimethylethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 6
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 18% of methyl salicylate, 20% of butyl glycol ether, 20% of butyl diglycol ether, LF 3050.3%, 5% of N-ethyl pyrrolidone, 2.0% of liquid paraffin, 0.2% of citric acid and 34.5% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly mixing ethylene glycol butyl ether and diethylene glycol butyl ether with the formula amount three times and methyl salicylate with the formula amount uniformly to obtain a component A; adding citric acid, N-ethyl pyrrolidone and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 7
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 10% of methyl salicylate, 18% of butyl cellosolve, 25% of ethylene glycol ethyl ether, 3050.3% of LF, 5% of dimethylethanolamine, 2.2% of liquid paraffin, 0.3% of citric acid and 29.2% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing ethylene glycol monobutyl ether and ethylene glycol ethyl ether with the formula amount three times, and uniformly mixing the mixture with methyl salicylate with the formula amount to obtain a component A; adding citric acid, dimethylethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 8
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 20% of methyl salicylate, 18% of butyl cellosolve, 25% of diethylene glycol ethyl ether, 3050.3% of LF, 5% of N-ethyl pyrrolidone, 2.2% of liquid paraffin, 0.2% of citric acid and 29.3% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing the ethylene glycol butyl ether and the diethylene glycol ethyl ether with the formula amount three times, and uniformly mixing the mixture with the methyl salicylate with the formula amount to obtain a component A; adding citric acid, N-ethyl pyrrolidone and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 9
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 25% of methyl salicylate, 25% of butyl glycol ether, 25% of ethylene glycol ether, 3050.3% of LF, 5% of triethanolamine, 3% of liquid paraffin, 1.2% of citric acid and 15.5% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing ethylene glycol monobutyl ether and ethylene glycol ethyl ether with the formula amount three times, and uniformly mixing the mixture with methyl salicylate with the formula amount to obtain a component A; adding citric acid, triethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 10
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 25% of methyl salicylate, 25% of ethylene glycol ethyl ether, 30% of diethylene glycol butyl ether, 3050.3% of LF, 5% of triethanolamine, 3% of liquid paraffin, 1.2% of citric acid and 10.5% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing the ethylene glycol ethyl ether and the diethylene glycol butyl ether with the formula amount three times, and uniformly mixing the mixture with methyl salicylate with the formula amount to obtain a component A; adding citric acid, triethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Example 11
The embodiment provides a water-based adhesive remover applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 25% of methyl salicylate, 30% of ethylene glycol ethyl ether, 25% of diethylene glycol butyl ether, 3050.3% of LF, 5% of triisopropanolamine, 3% of liquid paraffin, 1.0% of citric acid and 10.7% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing the ethylene glycol ethyl ether and the diethylene glycol butyl ether with the formula amount three times, and uniformly mixing the mixture with methyl salicylate with the formula amount to obtain a component A; adding citric acid, triisopropanolamine and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Comparative example 1
The comparative example provides a water-based adhesive removing agent applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: ethylene glycol monobutyl ether 45%, ethylene glycol ethyl ether 25%, LF 3050.3%, triethanolamine 3%, liquid paraffin 1.5%, citric acid 0.8%, and water 24.4%.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: uniformly mixing ethylene glycol monobutyl ether and ethylene glycol ethyl ether according to a ratio to obtain a component A; adding citric acid, triethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Comparative example 2
The comparative example provides a water-based adhesive removing agent applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 20% of diethylene glycol ethyl ether, 50% of ethylene glycol butyl ether, LF 3050.3%, 5% of dimethylethanolamine, 2.0% of liquid paraffin, 0.3% of citric acid and 22.4% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: uniformly mixing diethylene glycol ethyl ether and ethylene glycol butyl ether according to a ratio to obtain a component A; adding citric acid, triethanolamine and LF305 into water according to a ratio, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Comparative example 3
The comparative example provides a water-based adhesive removing agent applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 25% of methyl salicylate, 30% of ethylene glycol ethyl ether, 25% of diethylene glycol butyl ether, 3050.3% of LF, 3% of liquid paraffin, 1.0% of citric acid and 15.7% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: uniformly mixing the diethylene glycol monobutyl ether and the ethylene glycol ethyl ether with the formula amount three times and the methyl salicylate with the formula amount uniformly to obtain a component A; adding citric acid and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Comparative example 4
The comparative example provides a water-based adhesive removing agent applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 25% of methyl salicylate, 30% of ethylene glycol ethyl ether, 25% of diethylene glycol monobutyl ether, 5% of triisopropanolamine, 3% of liquid paraffin, 1.0% of citric acid and 11% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: uniformly mixing the diethylene glycol monobutyl ether and the ethylene glycol ethyl ether with the formula amount three times and the methyl salicylate with the formula amount uniformly to obtain a component A; adding citric acid and triisopropanolamine into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
Comparative example 5
The comparative example provides a water-based adhesive removing agent applied to OCA optical cement on a mobile phone cover plate, which comprises the following components in percentage by mass: 35% of methyl salicylate, 30% of ethylene glycol ethyl ether, 3050.3% of LF, 5% of triisopropanolamine, 3% of liquid paraffin, 1.0% of citric acid and 25.7% of water.
The preparation method of the water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate comprises the following steps: evenly dividing the ethylene glycol ethyl ether with the formula amount for three times, and evenly mixing the ethylene glycol ethyl ether with the formula amount of methyl salicylate to obtain a component A; adding citric acid, triisopropanolamine and LF305 into water according to the proportion, stirring and dissolving to obtain a component B; and slowly adding the component A into the component B at the rotating speed of 150-350r/min, reducing the rotating speed to 100r/min after the addition is finished, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
The aqueous degumming agent obtained in the above examples 1 to 11 is used to perform degumming treatment on the OCA optical cement on the mobile phone cover plate for 10 minutes, the obtained data is shown in table 1 below, and the treatment process refers to fig. 1 to 3.
TABLE 1 Performance of the aqueous degelling agents obtained in examples 1 to 11
The aqueous degumming agent obtained in the comparative examples 1 to 5 is used for carrying out degumming detection on the OCA optical adhesive on the mobile phone cover plate for 10 minutes, and the obtained data are shown in the following table 2.
TABLE 2 Performance of the aqueous degelling agent obtained in comparative examples 1 to 5
The residual gum content is the percentage of the weight of the residual gum on the cover plate after the gum removing agent treatment to the weight of the OCA gum on the cover plate before the treatment. As can be seen from tables 1 and 2, the aqueous degumming agents obtained in examples 1 to 11 have a better effect on removing the OCA optical cement on the mobile phone cover plate than the aqueous degumming agents obtained in comparative examples 1 to 5, and do not corrode black oil on the cover plate, and particularly, the residual cement content of the aqueous degumming agents obtained in examples 10 and 11 after the aqueous degumming agents are treated for 10 minutes on the mobile phone cover plate is 0%. And as can be seen from fig. 1-3, fig. 1 is a workpiece before treatment, a large amount of OCA glue is on the surface of the cover plate, fig. two is a workpiece after treatment, the OCA glue can be clearly seen to be separated from the surface of the cover plate, fig. three is a workpiece after treatment, it can be seen that the surface of the cover plate at the lower half part after treatment by the glue remover does not have residual glue, and the cover plate at the upper half part not treated by the glue remover has OCA glue.
According to the invention, the methyl salicylate, the solubilizer, the penetrating agent, the softener, the odor-masking agent and the pH regulator are scientifically proportioned, so that the functions of the components are combined and cooperated, and an excellent degumming effect is achieved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. The water-based adhesive remover applied to the OCA optical adhesive on the mobile phone cover plate is characterized by comprising the following components in percentage by mass: 10-25% of methyl salicylate, 35-55% of solubilizer, 0.2-0.8% of penetrant, 3-5% of softener, 1.5-3% of odor-masking agent, 0.2-1.5% of pH value regulator and 10-40% of water;
the aqueous degumming agent is neutral.
2. The aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate as claimed in claim 1, which comprises the following components by mass percent: 25% of methyl salicylate, 50-55% of solubilizer, 0.3% of penetrant, 5% of softener, 3% of odor-masking agent, 1-1.2% of pH value regulator and 10.5-15.5% of water.
3. The aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate as claimed in claim 2, which comprises the following components by mass percent: 25% of methyl salicylate, 55% of solubilizer, 0.3% of penetrant, 5% of softener, 3% of odor-masking agent, 1.2% of pH regulator and 10.5% of water.
4. The aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate as claimed in claim 2, which comprises the following components by mass percent: 25% of methyl salicylate, 55% of solubilizer, 0.3% of penetrant, 5% of softener, 3% of odor-masking agent, 1% of pH regulator and 10.7% of water.
5. The aqueous degumming agent applied to the OCA optical cement on the mobile phone cover plate according to any one of claims 1 to 4, characterized in that the solubilizer is one or more of ethylene glycol butyl ether, diethylene glycol butyl ether, ethylene glycol ethyl ether and diethylene glycol ethyl ether.
6. The aqueous degumming agent for OCA optical cement applied to mobile phone cover plates as claimed in any one of claims 1 to 4, wherein the penetrating agent is one or more of Basff low-foaming surfactants LF401, LF403, LF305, LS45 and LS 54.
7. The aqueous degumming agent applied to OCA optical cement on a mobile phone cover plate according to any one of claims 1 to 4, characterized in that the softening agent is one or more of triethanolamine, triisopropanolamine, N, N-dimethylacetamide and N-ethylpyrrolidone.
8. The aqueous degumming agent for OCA optical cement applied to mobile phone cover plates as claimed in any one of claims 1 to 4, wherein the pH value regulator is one or more of citric acid, tartaric acid, oxalic acid, malic acid and gluconic acid.
9. The aqueous degumming agent for OCA optical cement on a mobile phone cover plate as claimed in any one of claims 1 to 4, wherein the odor masking agent is liquid paraffin.
10. A preparation method of a water-based adhesive remover applied to OCA optical adhesive on a mobile phone cover plate is characterized by comprising the following steps:
uniformly mixing the solubilizer in the formula amount three times and the methyl salicylate in the formula amount to obtain a component A;
step two, putting a PH regulator, a softener and a penetrant into water according to the proportion, stirring and dissolving to obtain a component B;
and step three, slowly adding the component A into the component B at the rotating speed of 350r/min, reducing the rotating speed to 100r/min after the component A is added, continuously stirring for 30min, and adding liquid paraffin according to the proportion after standing.
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