CN115820192A - Glue for adhering color-changing film and PU film - Google Patents
Glue for adhering color-changing film and PU film Download PDFInfo
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- CN115820192A CN115820192A CN202211298124.3A CN202211298124A CN115820192A CN 115820192 A CN115820192 A CN 115820192A CN 202211298124 A CN202211298124 A CN 202211298124A CN 115820192 A CN115820192 A CN 115820192A
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- 239000003292 glue Substances 0.000 title claims abstract description 57
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000004814 polyurethane Substances 0.000 claims abstract description 24
- 229920002907 Guar gum Polymers 0.000 claims abstract description 17
- 239000000665 guar gum Substances 0.000 claims abstract description 17
- 229960002154 guar gum Drugs 0.000 claims abstract description 17
- 235000010417 guar gum Nutrition 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920002678 cellulose Polymers 0.000 claims abstract description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920002545 silicone oil Polymers 0.000 claims abstract description 10
- 229920003009 polyurethane dispersion Polymers 0.000 claims abstract description 9
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 8
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 3
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000001913 cellulose Substances 0.000 claims description 8
- 239000002318 adhesion promoter Substances 0.000 claims description 7
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 5
- -1 amino ethyl amino ethanesulfonic acid sodium salt Chemical compound 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 159000000000 sodium salts Chemical class 0.000 claims description 5
- DWGOUECSKCAUIX-UHFFFAOYSA-M sodium;1-(2-aminoethylamino)ethanesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(C)NCCN DWGOUECSKCAUIX-UHFFFAOYSA-M 0.000 claims description 5
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 4
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical compound NC1(N)CCCCC1 YMHQVDAATAEZLO-UHFFFAOYSA-N 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- GWLWWNLFFNJPDP-UHFFFAOYSA-M sodium;2-aminoethanesulfonate Chemical compound [Na+].NCCS([O-])(=O)=O GWLWWNLFFNJPDP-UHFFFAOYSA-M 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 22
- 238000012360 testing method Methods 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- WAWYSJFTGINOCE-UHFFFAOYSA-N 1-(2-aminoethylamino)ethanesulfonic acid Chemical compound OS(=O)(=O)C(C)NCCN WAWYSJFTGINOCE-UHFFFAOYSA-N 0.000 description 1
- 244000007835 Cyamopsis tetragonoloba Species 0.000 description 1
- STAVCNDCTTVWEW-UHFFFAOYSA-N NCC[Na] Chemical compound NCC[Na] STAVCNDCTTVWEW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to glue for bonding a glowing color film and a PU film, which comprises a component A and a component B; the component A comprises an aqueous polyurethane dispersion, amino ethyl sulfonic acid sodium salt, guar gum, water and an auxiliary agent; the component B comprises hydroxyl-terminated silicone oil, ethylene-ethyl acetate, cellulose and a curing agent. When the glue disclosed by the invention is used for bonding a colorful film and a PU film, the glue has excellent adhesion, waterproofness and weather resistance, and is suitable for electronic products.
Description
Technical Field
The invention relates to the technical field of adhesives, and particularly relates to a glue for adhering a color-changing film and a PU film.
Background
At present, glue capable of achieving good adhesion of a glowing film and a polyurethane film (PU film) is an important research direction, and is particularly applied to electronic products such as mobile phone shells.
CN113088239A discloses a self-reaction low-viscosity high-thickness full-curing glue initiated by an ultraviolet chain. The ultraviolet light curing glue disclosed by the invention is prepared from the following substances in parts by mass: 10-30 parts of polyurethane (methyl) acrylate, 0-10 parts of trifunctional/multifunctional (methyl) acrylate, 5-30 parts of bifunctional (methyl) acrylate, 50-80 parts of monofunctional (methyl) acrylate and 0.1-3.0 parts of photoinitiator. The ultraviolet curing glue disclosed by the invention has the advantages of low viscosity, easiness in defoaming, good wetting property, convenience in use, high curing speed, moderate heat release, high transparency of a test block and good surface state, is suitable for packaging of electronic products, and is particularly suitable for packaging and detecting of metallographic cold-inlaid printed circuit boards needing rapid testing.
CN112226194A discloses an ultraviolet curing adhesive and a preparation method thereof, wherein the ultraviolet curing adhesive comprises the following raw materials in parts by weight: 1-40 parts of silica sol, 30-70 parts of polyurethane acrylic resin, 30-40 parts of reactive diluent, 3-10 parts of photoinitiator and 0.1-3 parts of defoaming agent. Through the ultraviolet curing glue, in the process of pasting a film on an electronic product, the curing glue has a good self-leveling effect, so that the explosion-proof film is perfectly pasted with an electronic screen, the pasting performance is excellent, the problems of inflexible touch screen and white edges at the edges of curved surfaces are avoided, the problem of difficulty in pasting the film on the curved surface screen is solved, and the ultraviolet curing glue contains polyurethane acrylic resin, so that the curing glue has high transmittance and refractive index, a user can be ensured to obtain clear screen image quality, a small amount of inorganic particles are doped in the ultraviolet curing glue, the volume shrinkage of the glue is reduced, the hardness of the cured glue layer is improved, and the pasting performance and the wear resistance are improved.
In the prior art, when the glue is applied to electronic products, the glue cannot have excellent adhesion, water resistance and weather resistance, so that it is very important to develop a glue which can solve the above-mentioned end problems and is suitable for adhering a colorful film and a PU film.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the glue for bonding the iridescent film and the PU film, wherein the glue has excellent adhesion, water resistance and weather resistance when being used for bonding the iridescent film and the PU film, and is suitable for electronic products.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides glue for adhering a glowing color film and a PU film, wherein the glue comprises a component A and a component B;
the component A comprises an aqueous polyurethane dispersion, aminoethylaminoethanesulfonic acid sodium salt, guar gum, water and an auxiliary agent;
the component B comprises hydroxyl-terminated silicone oil, ethylene-ethyl acetate, cellulose and a curing agent.
In the invention, the glue comprises a component A and a component B, and the component A and the component B are independently stored before use, so that the storage stability of the glue is facilitated; when in use, the two are matched with each other, so that the adhesive property of the glue can be better exerted; in the component A, the amino ethyl amino ethanesulfonic acid sodium salt and the guar gum are matched with each other to play a synergistic effect, so that the compatibility of the aqueous polyurethane dispersion with other components and the adhesion and stability of a system are promoted; in the component B, the hydroxyl-terminated silicone oil enables the components to be well dispersed, the ethylene-ethyl acetate and the cellulose are matched for use, the effect of a curing agent is promoted, and when the component A and the component B are mixed and cured, the cellulose dispersed in the hydroxyl-terminated silicone oil can be matched with the amino ethyl sodium sulfonate, so that the dispersibility of the components A and the B is improved, and the glue has excellent adhesion, waterproofness and weather resistance when bonding a colorful film and a PU film, and is suitable for electronic products.
Preferably, the mass ratio of the component A to the component B is 100: (10-30), wherein 10-30 can be 12, 14, 16, 18, 20, 22, 24, 26, 28, etc.
Preferably, the component A comprises the following components in parts by weight:
in the present invention, the aqueous polyurethane dispersion is 30 to 50 parts by weight, for example, 32 parts, 34 parts, 36 parts, 38 parts, 40 parts, 42 parts, 44 parts, 46 parts, 48 parts, etc.
The weight portion of the amino ethyl amino ethanesulfonic acid sodium salt is 5-15 portions, such as 6 portions, 8 portions, 10 portions, 12 portions, 14 portions and the like.
The guar gum is 5-15 parts by weight, such as 6 parts, 8 parts, 10 parts, 12 parts, 14 parts and the like.
The assistant is 0.1-10 parts by weight, such as 0.5 part, 1 part, 2 parts, 4 parts, 6 parts, 8 parts and the like.
Preferably, the mass ratio of the aminoethyl taurinate sodium salt to the guar gum is 1: (1.5-2.5), wherein 1.5-2.5 can be 1.6, 1.8, 2, 2.2, 2.4, etc.
In the invention, the mass ratio of the amino ethyl amino ethanesulfonic acid sodium salt to the guar gum is 1: (1.5-2.5), the synergistic effect can be better exerted, so that the glue has excellent adhesion, waterproofness and weather resistance when the iridescent film and the PU film are bonded, and is suitable for electronic products.
Preferably, in the a component, the auxiliary agent includes any one of or a combination of at least two of an antifoaming agent, a leveling agent, a neutralizing agent, or an aqueous adhesion promoter, wherein a typical but non-limiting combination includes: a combination of a defoaming agent and a leveling agent, a combination of a neutralizing agent and a water-based adhesion promoter, a combination of a defoaming agent, a leveling agent, a neutralizing agent and a water-based adhesion promoter, and the like.
Preferably, the defoamer is present in an amount of 0.1 to 1.5 parts by weight, such as 0.2 parts, 0.4 parts, 0.6 parts, 0.8 parts, 1 part, 1.2 parts, 1.4 parts, and the like.
Preferably, the leveling agent is present in an amount of 0.1 to 3 parts by weight, such as 0.2 parts, 0.4 parts, 0.6 parts, 0.8 parts, 1 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts, 2 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts, and the like.
Preferably, the neutralizing agent is present in an amount of 0.2 to 2 parts by weight, such as 0.4 parts, 0.6 parts, 0.8 parts, 1 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts, and the like.
Preferably, the aqueous adhesion promoter is present in an amount of 0.1 to 3.5 parts by weight, such as 0.2 parts, 0.4 parts, 0.6 parts, 0.8 parts, 1 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts, 2 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts, 3.0 parts, 3.2 parts, 3.4 parts, etc.
Preferably, the component B comprises the following components in parts by weight:
in the invention, the weight parts of the hydroxyl-terminated silicone oil are 30-50 parts, such as 32 parts, 34 parts, 36 parts, 38 parts, 40 parts, 42 parts, 44 parts, 46 parts, 48 parts and the like.
The weight portion of the ethylene-ethyl acetate is 5-15 portions, such as 6 portions, 8 portions, 10 portions, 12 portions, 14 portions and the like.
The cellulose is 5-15 parts by weight, such as 6 parts, 8 parts, 10 parts, 12 parts, 14 parts and the like.
The curing agent is 10-30 parts by weight, such as 12 parts, 14 parts, 16 parts, 18 parts, 20 parts, 22 parts, 24 parts, 26 parts, 28 parts and the like.
Preferably, the curing agent comprises any one of, or a combination of at least two of, vinyl triamine, ethylene diamine, diaminocyclohexane, or diethylene triamine, with typical but non-limiting combinations including: combinations of vinyl triamine and ethylene diamine, diaminocyclohexane and diethylene triamine, vinyl triamine, ethylene diamine, diaminocyclohexane and diethylene triamine, and the like.
In a second aspect, the present invention provides a method for preparing the glue of the first aspect, wherein the method for preparing the glue comprises the following steps:
(1) Mixing the aqueous polyurethane dispersion, amino ethyl sulfonic acid sodium salt, guar gum, water and an auxiliary agent to obtain the component A;
(2) And mixing the hydroxyl-terminated silicone oil, the ethylene-ethyl acetate, the cellulose and the curing agent to obtain the component B.
In a third aspect, the invention provides a method for bonding a color filter film and a PU film in an electronic product by using the glue of the first aspect.
Compared with the prior art, the invention has the following beneficial effects:
(1) When the glue disclosed by the invention is used for bonding a colorful film and a PU film, the glue has excellent adhesion, waterproofness and weather resistance, and is suitable for electronic products.
(2) When the glue is used for bonding a glowing color film and a PU film, the bonding strength is more than 6.1MPa, the retention rate of the bonding strength is more than 72% after the glowing color film and the PU film are soaked in water at room temperature for 24h, and the retention rate of the bonding strength is more than 54% after the glowing color film and the PU film are placed in an environment with 85% humidity and 85 ℃ for 1000 h.
Detailed Description
The technical solution of the present invention is further described below by way of specific embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
In the invention, the raw material information related to each embodiment is as follows:
aqueous polyurethane dispersion: purchased from Chongqing Rui ya Biotech, inc.;
aminoethylaminoethanesulfonic acid sodium salt: purchased from Conditis chemical industry (Hubei) Co., ltd., and having a brand number of 34730-59-1;
guar gum: purchased from Jiangsu Yihao Hao Zen Biotech limited and under the brand name TII;
defoaming agent: purchased from Linyi national force chemical Co., ltd, the brand is defoamer XS-02;
leveling agent: purchased from Bailingnew materials Co., ltd, dongguan city, with a mark number of 112-84-5;
neutralizing agent: available from Dongguan city Jin Shixiang plastics materials Co., ltd, with the trade name FL5580;
aqueous adhesion promoter: purchased from Jiaying chemical technology Co Ltd, shandong under the brand name LD157;
hydroxyl-terminated silicone oil: purchased from Chu Jianghao Yu chemical engineering science and technology development Limited of Wuhan;
ethylene-ethyl acetate: purchased from sigma aldrich trade ltd under the trade designation Y0001557;
cellulose: purchased from sigma aldrich trade ltd under the trade designation Y0002021;
curing agent: diethylenetriamine.
Examples 1 to 3
The glue described in the embodiments 1-3 is prepared from the following raw materials in parts by weight as shown in table 1:
TABLE 1
In examples 1 to 3, the mass ratios of the a component and the B component were 100 (example 1), 100 (example 2), and 100 (example 3), respectively.
The preparation method of the glue comprises the following steps:
(1) Mixing the aqueous polyurethane dispersion, amino ethyl sulfonic acid sodium salt, guar gum, water and an auxiliary agent to obtain the component A;
(2) And mixing the hydroxyl-terminated silicone oil, the ethylene-ethyl acetate, the cellulose and the curing agent to obtain the component B.
Examples 4 to 5
Examples 4-5 differ from example 1 in the mass ratio of the sodium salt of aminoethyltauric acid to guar gum as follows:
example 4: 12.5 parts of amino ethyl amino ethanesulfonic acid sodium salt, 12.5 parts of guar gum and 1:1;
example 5: 6.25 parts of aminoethylaminoethanesulfonic acid sodium salt and 18.75 parts of guar gum, wherein the mass ratio of the aminoethylaminoethanesulfonic acid sodium salt to the guar gum is 1:3.
Comparative example 1
This comparative example differs from example 1 in that the sodium salt of aminoethylaminoethanesulfonic acid is not included, and is otherwise the same as example 1.
Comparative example 2
This comparative example differs from example 1 in that guar is not included and is otherwise the same as example 1.
Comparative example 3
This comparative example differs from example 1 in that ethylene-ethyl acetate is not included, and is otherwise the same as example 1.
Comparative example 4
This comparative example differs from example 1 in that cellulose is not included, and is otherwise the same as example 1.
Comparative example 5
The comparative example is different from example 1 in that ethylene-ethyl acetate in the B component is adjusted to the A component, and the rest is the same as example 1.
Performance testing
The glues described in examples 1 to 5 and comparative examples 1 to 5 were tested as follows:
(1) Adhesion: and uniformly mixing the component A and the component B of the glue, coating the glue between a color-changing film and a PU film, curing and bonding at normal temperature, testing the bonding strength of the color-changing film and the PU film according to the standard of ASTM D1002-2010, and calculating the initial bonding strength.
(2) Water resistance: the film well adhered in the test (1) is soaked in water at room temperature for 24h, the adhesive strength of the film and the film is tested according to the standard of ASTM D1002-2010, and the retention rate relative to the initial adhesive strength is calculated.
(3) Weather resistance: after the film which is completely bonded in the test (1) is placed in an environment with 85% humidity and 85 ℃ for 1000 hours, the bonding strength of the film and the film is tested according to the standard of ASTM D1002-2010, and the retention rate relative to the initial bonding strength is calculated.
The test results are summarized in table 2.
TABLE 2
| Adhesiveness | Water-proof property | Weather resistance | |
| Example 1 | 7.2MPa | 85％ | 72％ |
| Example 2 | 6.8MPa | 80％ | 68％ |
| Example 3 | 6.5MPa | 79％ | 63％ |
| Example 4 | 6.1MPa | 72％ | 54％ |
| Example 5 | 6.2MPa | 74％ | 58％ |
| Comparative example 1 | 4.2MPa | 62％ | 41％ |
| Comparative example 2 | 3.8MPa | 55％ | 36％ |
| Comparative example 3 | 2.6MPa | 43％ | 29％ |
| Comparative example 4 | 3.9MPa | 56％ | 37％ |
| Comparative example 5 | 3.2MPa | 53％ | 31％ |
The data in table 2 show that when the glue is used for bonding a iridescent film and a PU film, the bonding strength is above 6.1MPa, the retention rate of the bonding strength is above 72% after the glue is soaked in water at room temperature for 24 hours, and the retention rate of the bonding strength is above 54% after the glue is placed in an environment with 85% humidity and 85 ℃ for 1000 hours.
As can be seen from the analysis of comparative examples 1-4 and example 1, comparative examples 1-4 are inferior to example 1 in performance, and the performance of the glue formed by the synergistic effect of the components of the invention is proved to be better.
Analysis of comparative example 5, comparative example 3 and example 1 shows that comparative example 5 is not as good as example 1, but is slightly better than comparative example 3, and proves that the performance of the formed glue is better when the components A and B are respectively in the corresponding components.
As can be seen from the analysis of examples 4-5 and example 1, examples 4-5 are inferior to example 1 in performance, and the mass ratio of the aminoethyl taurinate sodium salt to the guar gum is 1: (1.5-2.5), the formed glue has better performance.
The present invention is illustrated in detail by the examples described above, but the present invention is not limited to the details described above, i.e., it is not intended that the present invention be implemented by relying on the details described above. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (10)
1. The glue for bonding the color-changing film and the PU film is characterized by comprising a component A and a component B;
the component A comprises an aqueous polyurethane dispersion, aminoethylaminoethanesulfonic acid sodium salt, guar gum, water and an auxiliary agent;
the component B comprises hydroxyl-terminated silicone oil, ethylene-ethyl acetate, cellulose and a curing agent.
2. The glue according to claim 1, wherein the mass ratio of the component A to the component B is 100: (10-30).
3. The glue according to claim 1 or 2, wherein the component A comprises the following components in parts by weight:
4. the glue according to any one of claims 1-3, wherein the mass ratio of the aminoethyl taurinate sodium salt to the guar gum is 1: (1.5-2.5).
5. The glue of any one of claims 1-4, wherein in the component A, the auxiliary agent comprises any one or a combination of at least two of a defoaming agent, a leveling agent, a neutralizing agent or an aqueous adhesion promoter.
6. The glue of claim 5, wherein the defoamer is in an amount of 0.1-1.5 parts by weight;
preferably, the weight part of the leveling agent is 0.1-3 parts;
preferably, the neutralizing agent is 0.2-2 parts by weight;
preferably, the weight portion of the aqueous adhesion promoter is 0.1-3.5 portions.
7. The glue according to any one of claims 1 to 6, wherein the component B comprises the following components in parts by weight:
8. the glue of any one of claims 1-7, wherein the curing agent comprises any one of or a combination of at least two of vinyl triamine, ethylene diamine, diaminocyclohexane, or diethylene triamine.
9. Glue according to any one of claims 1 to 8, characterized in that it is prepared by a process comprising the following steps:
(1) Mixing the aqueous polyurethane dispersion, amino ethyl amino ethanesulfonic acid sodium salt, guar gum, water and an auxiliary agent to obtain the component A;
(2) And (3) mixing the hydroxyl-terminated silicone oil, the ethylene-ethyl acetate, the cellulose and the curing agent to obtain the component B.
10. The glue according to any one of claims 1-9, wherein the glue is used for bonding a iridescent film and a PU film in an electronic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298124.3A CN115820192A (en) | 2022-10-21 | 2022-10-21 | Glue for adhering color-changing film and PU film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298124.3A CN115820192A (en) | 2022-10-21 | 2022-10-21 | Glue for adhering color-changing film and PU film |
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| CN115820192A true CN115820192A (en) | 2023-03-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827571A (en) * | 2012-09-28 | 2012-12-19 | 广东多正化工科技有限公司 | Preparation method of water-based polyurethane adhesive |
| CN114032058A (en) * | 2021-11-26 | 2022-02-11 | 湖北南北车新材料有限公司 | Bi-component waterborne polyurethane adhesive and application thereof |
| CN114369430A (en) * | 2021-12-31 | 2022-04-19 | 北京长润化工有限公司 | Low-temperature lap adhesive and preparation method thereof |
| CN114426804A (en) * | 2020-10-15 | 2022-05-03 | 中国石油化工股份有限公司 | Adhesive and preparation method thereof |
-
2022
- 2022-10-21 CN CN202211298124.3A patent/CN115820192A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827571A (en) * | 2012-09-28 | 2012-12-19 | 广东多正化工科技有限公司 | Preparation method of water-based polyurethane adhesive |
| CN114426804A (en) * | 2020-10-15 | 2022-05-03 | 中国石油化工股份有限公司 | Adhesive and preparation method thereof |
| CN114032058A (en) * | 2021-11-26 | 2022-02-11 | 湖北南北车新材料有限公司 | Bi-component waterborne polyurethane adhesive and application thereof |
| CN114369430A (en) * | 2021-12-31 | 2022-04-19 | 北京长润化工有限公司 | Low-temperature lap adhesive and preparation method thereof |
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