CN113461981A - Method for improving bonding force of insulating layer and alumina plate - Google Patents
Method for improving bonding force of insulating layer and alumina plate Download PDFInfo
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- CN113461981A CN113461981A CN202110852593.4A CN202110852593A CN113461981A CN 113461981 A CN113461981 A CN 113461981A CN 202110852593 A CN202110852593 A CN 202110852593A CN 113461981 A CN113461981 A CN 113461981A
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- parts
- coupling agent
- vinyl
- adhesive
- insulating layer
- Prior art date
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000007822 coupling agent Substances 0.000 claims abstract description 17
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 13
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 3
- 239000003999 initiator Substances 0.000 claims abstract description 3
- 239000012948 isocyanate Substances 0.000 claims abstract description 3
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 3
- 229920000570 polyether Polymers 0.000 claims abstract description 3
- 229920005862 polyol Polymers 0.000 claims abstract description 3
- 150000003077 polyols Chemical class 0.000 claims abstract description 3
- 239000002904 solvent Substances 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 26
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 15
- HXLAEGYMDGUSBD-UHFFFAOYSA-N 3-[diethoxy(methyl)silyl]propan-1-amine Chemical compound CCO[Si](C)(OCC)CCCN HXLAEGYMDGUSBD-UHFFFAOYSA-N 0.000 claims description 14
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 14
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 14
- MABAWBWRUSBLKQ-UHFFFAOYSA-N ethenyl-tri(propan-2-yloxy)silane Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)C=C MABAWBWRUSBLKQ-UHFFFAOYSA-N 0.000 claims description 14
- 239000008096 xylene Substances 0.000 claims description 14
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 13
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 13
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 150000002009 diols Chemical class 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 5
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 4
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 4
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 2
- 239000004971 Cross linker Substances 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 2
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 2
- NNBRCHPBPDRPIT-UHFFFAOYSA-N ethenyl(tripropoxy)silane Chemical compound CCCO[Si](OCCC)(OCCC)C=C NNBRCHPBPDRPIT-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007719 peel strength test Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 Titanium triisostearate isopropyl ester Chemical class 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
- C08J5/124—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives using adhesives based on a macromolecular component
- C08J5/125—Adhesives in organic diluents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of composite materials, in particular to a method for improving the binding force of an insulating layer and an alumina plate. The method comprises the step of spraying an adhesive on the surface of an aluminum oxide plate to form a connecting layer between the aluminum oxide plate and an insulating layer, wherein the adhesive is composed of acrylic resin, a coupling agent, polyether polyol, an initiator, an isocyanate crosslinking agent and a solvent. According to the invention, a titanate coupling agent is added to prepare an adhesive product with excellent mechanical property for bonding an alumina material. The adhesive prepared by the invention has good ageing resistance, and the service life and the application safety of the product are greatly improved.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a method for improving the binding force of an insulating layer and an alumina plate.
Background
Along with the development of light weight of automobiles, steel aluminum automobile bodies are widely applied by various large automobile factories, new energy automobiles are rapidly developed in the world in recent years, the requirements on light weight automobile body materials are higher and higher, the weight reduction significance of all-aluminum automobile bodies on the new energy automobile bodies is obvious, and the light weight of the automobile bodies provides powerful guarantee for increasing the battery loading capacity and improving the endurance mileage. However, at present, the structural adhesive bonding process is mostly adopted for vehicle body splicing, but most of the existing structural adhesive products in the market have insufficient bonding force to the alumina plate, and the development of a structural adhesive for bonding the high-strength alumina material is particularly important.
Based on the situation, the invention provides a method for improving the bonding force of an insulating layer and an alumina plate, which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a method for improving the bonding force between an insulating layer and an alumina plate.
In order to achieve the purpose, the invention provides a method for improving the binding force of an insulating layer and an aluminum oxide plate, which comprises the steps of spraying an adhesive on the surface of the aluminum oxide plate to form a connecting layer between the aluminum oxide plate and the insulating layer, wherein the connecting layer comprises 15-25 parts of acrylic resin, 4-8 parts of isopropyl triisostearate, 6-10 parts of 3-aminopropylmethyldiethoxysilane, 3-7 parts of vinyl triisopropoxysilane, 1-3 parts of azodiisobutyronitrile, 2-6 parts of diphenylmethane diisocyanate, 40-50 parts of butyl acetate, 55-65 parts of xylene and 10-20 parts of polytetrahydrofurandiol.
Preferably, the coupling agent comprises one or a combination of two or more of an aluminate coupling agent, a titanate coupling agent and a silane coupling agent.
Preferably, the titanate coupling agent is isopropyl triisostearate.
Preferably, the silane coupling agent is a combination of an aminosilane coupling agent and a vinylsilane coupling agent.
Preferably, the aminosilane coupling agent comprises one or a combination of two of 3-aminopropylmethyldiethoxysilane and 3-aminopropyltrimethoxysilane.
Preferably, the vinyl silane coupling agent comprises one or a combination of more than two of vinyl trimethoxy silane, vinyl triethoxy silane, vinyl tripropoxy silane and vinyl triisopropoxy silane.
Preferably, the initiator is azobisisobutyronitrile.
Preferably, the isocyanate crosslinker is diphenylmethane diisocyanate.
Preferably, the solvent is a combination of butyl acetate and xylene.
Preferably, the polyether polyol is polytetrahydrofuran diol.
Preferably, the adhesive is prepared from the following raw materials in parts by weight: 15 parts of acrylic resin, 4 parts of isopropyl triisostearate, 6 parts of 3-aminopropylmethyldiethoxysilane, 3 parts of vinyl triisopropoxysilane, 1 part of azobisisobutyronitrile, 2 parts of diphenylmethane diisocyanate, 40 parts of butyl acetate, 55 parts of xylene and 10 parts of polytetrahydrofuran glycol.
Preferably, the adhesive is prepared from the following raw materials in parts by weight: 25 parts of acrylic resin, 8 parts of isopropyl triisostearate, 10 parts of 3-aminopropylmethyldiethoxysilane, 7 parts of vinyl triisopropoxysilane, 3 parts of azobisisobutyronitrile, 6 parts of diphenylmethane diisocyanate, 50 parts of butyl acetate, 65 parts of xylene and 20 parts of polytetrahydrofuran glycol.
The invention also provides a preparation method of the adhesive, which comprises the following steps:
(1) adding acrylic resin and xylene into a reaction kettle, stirring and mixing at a rotating speed of 100-120 rpm for 15-20 min, heating to 80-85 ℃, and keeping the temperature;
(2) mixing azodiisobutyronitrile, butyl acetate and diphenylmethane diisocyanate, dropwise adding the mixture into a reaction kettle at a constant speed of 2-3 drops/second while stirring, and carrying out heat preservation reaction for 20-30 min after dropwise adding is finished;
(3) adding triisostearic acid isopropyl titanate, 3-aminopropyl methyl diethoxy silane, vinyl triisopropoxy silane and polytetrahydrofuran diol into a reaction kettle, stirring and mixing for reaction for 40-45 min, and discharging to obtain the product.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, a titanate coupling agent is added to prepare an adhesive product with excellent mechanical property for bonding an alumina material.
2. The adhesive prepared by the invention has good ageing resistance, and the service life and the application safety of the product are greatly improved.
3. The raw materials of the invention are sufficient in China and proper in price, so that the large-scale production of the invention is not limited by too high cost; meanwhile, the preparation method is simple, the total production cost is low, and the industrial large-scale production is facilitated.
Detailed Description
Example 1
The specific raw materials were weighed as in table 1, and the preparation steps were as follows:
(1) adding acrylic resin and xylene into a reaction kettle, stirring and mixing at a rotating speed of 100rpm for 20min, heating to 80 ℃, and keeping the temperature;
(2) mixing azodiisobutyronitrile, butyl acetate and diphenylmethane diisocyanate, dropwise adding into a reaction kettle at a constant speed of 2 drops/second while stirring, and carrying out heat preservation reaction for 30min after dropwise adding is finished;
(3) adding triisostearic acid isopropyl titanate, 3-aminopropyl methyl diethoxy silane, vinyl triisopropoxy silane and polytetrahydrofuran diol into a reaction kettle, stirring, mixing, reacting for 40min, and discharging to obtain the product.
Example 2
The specific raw materials were weighed as in table 1, and the preparation steps were as follows:
(1) adding acrylic resin and xylene into a reaction kettle, stirring and mixing for 15min at the rotating speed of 120rpm, heating to 85 ℃, and keeping the temperature;
(2) mixing azodiisobutyronitrile, butyl acetate and diphenylmethane diisocyanate, dropwise adding into a reaction kettle at a constant speed of 3 drops/second while stirring, and carrying out heat preservation reaction for 20min after dropwise adding is finished;
(3) adding triisostearic acid isopropyl titanate, 3-aminopropyl methyl diethoxy silane, vinyl triisopropoxy silane and polytetrahydrofuran diol into a reaction kettle, stirring, mixing, reacting for 45min, and discharging to obtain the product. .
Example 3
The specific raw materials were weighed as in table 1, and the preparation steps were as follows:
(1) adding acrylic resin and xylene into a reaction kettle, stirring and mixing for 15min at the rotating speed of 100rpm, heating to 85 ℃, and keeping the temperature;
(2) mixing azodiisobutyronitrile, butyl acetate and diphenylmethane diisocyanate, dropwise adding into a reaction kettle at a constant speed of 2 drops/second while stirring, and carrying out heat preservation reaction for 30min after dropwise adding is finished;
(3) adding triisostearic acid isopropyl titanate, 3-aminopropyl methyl diethoxy silane, vinyl triisopropoxy silane and polytetrahydrofuran diol into a reaction kettle, stirring, mixing, reacting for 45min, and discharging to obtain the product.
Comparative example 1
(1) Adding acrylic resin and xylene into a reaction kettle, stirring and mixing for 15min at the rotating speed of 100rpm, heating to 85 ℃, and keeping the temperature;
(2) mixing azodiisobutyronitrile, butyl acetate and diphenylmethane diisocyanate, dropwise adding into a reaction kettle at a constant speed of 2 drops/second while stirring, and carrying out heat preservation reaction for 30min after dropwise adding is finished;
(3) adding 3-aminopropylmethyldiethoxysilane, vinyl triisopropoxysilane and polytetrahydrofuran diol into a reaction kettle, stirring, mixing, reacting for 45min, and discharging to obtain the final product.
TABLE 1
| Kind of material | Example 1 | Example 2 | Example 3 | Comparative example 1 |
| Acrylic resin | 15 | 20 | 25 | 25 |
| Titanium triisostearate isopropyl ester | 4 | 6 | 8 | / |
| 3-aminopropylmethyldiethoxysilane | 6 | 8 | 10 | 10 |
| Vinyl triisopropoxysilane | 3 | 5 | 7 | 7 |
| Azobisisobutyronitrile | 1 | 2 | 3 | 3 |
| Diphenylmethane diisocyanate | 2 | 4 | 6 | 6 |
| Acetic acid butyl ester | 40 | 45 | 50 | 50 |
| Xylene | 55 | 60 | 65 | 65 |
| Polytetrahydrofuran diol | 10 | 15 | 20 | 20 |
Example 4 Peel Strength testing
The adhesive obtained in the embodiments 1-3 and the comparative example 1 is coated on the upper surface of an alumina plate, and a PVC insulating layer is bonded on the upper surface of the alumina plate, so that a sample is bonded between the PVC insulating layer and the alumina plate to form a connecting layer, and the composite alumina plate is obtained. Fixing the composite alumina plate at the lower clamp of a universal tensile machine, fixing the pull rod and the upper clamp, applying a vertical upward pulling force to the pull rod until the sample layer of the sample is broken or degummed, recording the peeling strength value, and obtaining the test result shown in table 2.
And (3) after the composite alumina plate connected with the adhesive obtained in the embodiments 1-3 and the comparative example 1 is exposed for 2000 hours under a xenon arc lamp, the peel strength is tested by adopting the method, and the test result is shown in table 3.
TABLE 2 Peel Strength test results (N/mm)
TABLE 3 Peel Strength test results after aging (N/mm)
| Peel strength of joining layer and alumina plate | Peeling strength of connecting layer and PVC insulating layer | |
| Example 1 | 11.6 | 9.2 |
| Example 2 | 10.2 | 8.3 |
| Example 3 | 11.4 | 10.2 |
| Comparative example 1 | 5.4 | 4.8 |
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. The method for improving the binding force between the insulating layer and the alumina plate is characterized in that an adhesive is sprayed on the surface of the alumina plate, so that a connecting layer is formed between the alumina plate and the insulating layer, and the adhesive is prepared from the following raw materials in parts by weight: 15-25 parts of acrylic resin, 4-8 parts of isopropyl triisostearate, 6-10 parts of 3-aminopropylmethyldiethoxysilane, 3-7 parts of vinyl triisopropoxysilane, 1-3 parts of azodiisobutyronitrile, 2-6 parts of diphenylmethane diisocyanate, 40-50 parts of butyl acetate, 55-65 parts of xylene and 10-20 parts of polytetrahydrofuran glycol.
2. The method of claim 1, wherein the coupling agent comprises one or a combination of two or more of an aluminate coupling agent, a titanate coupling agent, and a silane coupling agent.
3. The method of claim 2, wherein the titanate coupling agent is isopropyl triisostearate.
4. The method of claim 2, wherein the silane coupling agent is a combination of an aminosilane coupling agent and a vinylsilane coupling agent.
5. The method of claim 4, wherein the aminosilane coupling agent comprises one or a combination of 3-aminopropylmethyldiethoxysilane and 3-aminopropyltrimethoxysilane.
6. The method according to claim 4, wherein the vinyl silane coupling agent comprises one or a combination of two or more of vinyl trimethoxysilane, vinyl triethoxysilane, vinyl tripropoxysilane, and vinyl triisopropoxysilane.
7. The method of claim 1, wherein the initiator is azobisisobutyronitrile, the isocyanate crosslinker is diphenylmethane diisocyanate, the solvent is a combination of butyl acetate and xylene, and the polyether polyol is polytetrahydrofuran glycol.
8. The method of claims 1-7, wherein the adhesive is composed of the following raw materials in parts by weight: 15 parts of acrylic resin, 4 parts of isopropyl triisostearate, 6 parts of 3-aminopropylmethyldiethoxysilane, 3 parts of vinyl triisopropoxysilane, 1 part of azobisisobutyronitrile, 2 parts of diphenylmethane diisocyanate, 40 parts of butyl acetate, 55 parts of xylene and 10 parts of polytetrahydrofuran glycol.
9. A method for preparing the adhesive of any one of claims 1-8, wherein the method comprises the following steps:
(1) adding acrylic resin and xylene into a reaction kettle, stirring and mixing for 15-20 min at a rotating speed of 100-120 rpm, heating to 80-85 ℃, and keeping the temperature.
(2) Mixing azodiisobutyronitrile, butyl acetate and diphenylmethane diisocyanate, dropwise adding the mixture into a reaction kettle at a constant speed of 2-3 drops/second while stirring, and carrying out heat preservation reaction for 20-30 min after dropwise adding is finished;
(3) adding triisostearic acid isopropyl titanate, 3-aminopropyl methyl diethoxy silane, vinyl triisopropoxy silane and polytetrahydrofuran diol into a reaction kettle, stirring and mixing for reaction for 40-45 min, and discharging to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852593.4A CN113461981A (en) | 2021-07-27 | 2021-07-27 | Method for improving bonding force of insulating layer and alumina plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110852593.4A CN113461981A (en) | 2021-07-27 | 2021-07-27 | Method for improving bonding force of insulating layer and alumina plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251517A (en) * | 1988-08-12 | 1990-02-21 | Nippon Steel Corp | Preparation of laminate of steel sheet and film and adhesive composition |
| JP2010065102A (en) * | 2008-09-09 | 2010-03-25 | Nitto Denko Corp | Adhesive composition for optical film, adhesive layer for optical film, adhesion type optical film, and visual display unit |
| JP2012246444A (en) * | 2011-05-30 | 2012-12-13 | Cheil Industries Inc | Adhesive composition, optical member, and adhesive sheet |
| CN106047232A (en) * | 2016-05-25 | 2016-10-26 | 合肥东彩印刷科技有限公司 | Waterproof, excellent-toughness and heat-conducting adhesive for paperboard |
| CN111234712A (en) * | 2019-12-23 | 2020-06-05 | 深圳日高胶带新材料有限公司 | UV-cured optical pressure-sensitive adhesive and preparation method thereof |
-
2021
- 2021-07-27 CN CN202110852593.4A patent/CN113461981A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251517A (en) * | 1988-08-12 | 1990-02-21 | Nippon Steel Corp | Preparation of laminate of steel sheet and film and adhesive composition |
| JP2010065102A (en) * | 2008-09-09 | 2010-03-25 | Nitto Denko Corp | Adhesive composition for optical film, adhesive layer for optical film, adhesion type optical film, and visual display unit |
| JP2012246444A (en) * | 2011-05-30 | 2012-12-13 | Cheil Industries Inc | Adhesive composition, optical member, and adhesive sheet |
| CN106047232A (en) * | 2016-05-25 | 2016-10-26 | 合肥东彩印刷科技有限公司 | Waterproof, excellent-toughness and heat-conducting adhesive for paperboard |
| CN111234712A (en) * | 2019-12-23 | 2020-06-05 | 深圳日高胶带新材料有限公司 | UV-cured optical pressure-sensitive adhesive and preparation method thereof |
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