CN117285902A - Baking-free UV texture adhesive for composite board and preparation method thereof - Google Patents
Baking-free UV texture adhesive for composite board and preparation method thereof Download PDFInfo
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- CN117285902A CN117285902A CN202311346550.4A CN202311346550A CN117285902A CN 117285902 A CN117285902 A CN 117285902A CN 202311346550 A CN202311346550 A CN 202311346550A CN 117285902 A CN117285902 A CN 117285902A
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- 230000001070 adhesive effect Effects 0.000 title claims abstract description 43
- 239000000853 adhesive Substances 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title abstract description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 45
- 239000004814 polyurethane Substances 0.000 claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 claims abstract description 21
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 18
- 239000011737 fluorine Substances 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 16
- 239000003085 diluting agent Substances 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- 229920000728 polyester Polymers 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 21
- -1 acrylic ester Chemical class 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical group OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000012994 photoredox catalyst Substances 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 5
- GJKGAPPUXSSCFI-UHFFFAOYSA-N 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone Chemical compound CC(C)(O)C(=O)C1=CC=C(OCCO)C=C1 GJKGAPPUXSSCFI-UHFFFAOYSA-N 0.000 claims description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 4
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 4
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical group COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 150000003384 small molecules Chemical group 0.000 claims description 2
- 150000003376 silicon Chemical class 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 11
- 238000009835 boiling Methods 0.000 abstract description 7
- 238000004132 cross linking Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000016615 flocculation Effects 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000002313 adhesive film Substances 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention relates to baking-free UV texture adhesive for composite boards and a preparation method thereof, wherein the baking-free UV texture adhesive comprises the following raw materials in parts by weight: 20-50 parts of polyfunctional polyurethane acrylate, 0-20 parts of polyfunctional silicon-containing polyester acrylate, 0-20 parts of polyfunctional fluorine-containing polyurethane acrylate, 5-15 parts of reactive diluent, 0-10 parts of UV adhesion promoter, 1-5 parts of photoinitiator and 0.1-2 parts of auxiliary agent. According to the UV texture adhesive for manufacturing the composite board, the selected multifunctional polyester or polyurethane acrylate containing the functional elements (nitrogen, silicon or fluorine) can provide higher crosslinking density, so that the hardness of a coating is improved, the existence of the functional elements can ensure that the surface of the coating has certain pollution resistance, and the wear resistance of the coating is provided; the components have good compatibility, uniform dispersion, no flocculation precipitation and other phenomena, and the prepared texture adhesive has excellent performances of good adhesive force, high hardness, wear resistance, boiling resistance, bending resistance and the like.
Description
Technical Field
The application relates to the technical field of adhesives, belongs to the technical field of UV transfer printing adhesives, and in particular relates to baking-free texture adhesive for composite boards and a preparation method thereof, which can be used for decoration of 2.5D and 3D UV mobile phone back plates, personal computers and shells of related consumer electronics products.
Background
The UV transfer glue is ultraviolet light curing type single-component forming glue which is mainly applied to the surfaces of polymer plates such as PC, PET, TPU and glass and is used for manufacturing the appearance decorations of electronic products such as high-grade mobile phone back plates, personal computer shells, keys, electronic watch shells and the like. The plastic film has the advantages of convenient use, high production efficiency, good transparency, convenient operation, environmental protection and the like, has been widely applied to the industries of plastic films and plastic plates, and can remarkably improve the surface performance and decoration diversity of products.
As 5G communication network layouts are faster, 5G consumer electronic product sales are rapidly increasing. The increase in the output of 5G consumer electronics will be a major driving force for the growth of composite materials. The smart phone backplate at present is divided into 2D, 2.5D, 3D etc. 2D backplate surface is level and smooth, and the four corners is 90 degrees sharp edges, and 2.5D backplate has done the radian to the edge and has handled, and the innovation of 3D backplate is still further, all carries out the radian at the backplate four sides. Because the texture glue applied in the related way is crosslinked through free radical polymerization, the texture glue generally has higher volume shrinkage rate, and when the high hardness is met, the brittleness is enhanced, the wear resistance is insufficient and the interlayer adhesive force is insufficient due to the volume shrinkage, so that the technical upgrading of related products puts higher demands on the texture glue of the mobile phone backboard. Meanwhile, the industrial upgrading also provides new requirements for the production process, and further energy conservation and consumption reduction are required, so that the production efficiency is improved.
In order to solve the challenge, the invention discloses a baking-free texture adhesive for composite boards and a preparation method thereof, which can be used for 2.5D and 3D UV mobile phone back plates, personal computers and shell decorations of related consumer electronic products. The pencil hardness of the adhesive film can reach 4H, the interlayer adhesive force between the conventional adhesive film and the boiling-resistant adhesive film can reach hundred-grade 5B, and the adhesive film has excellent flexibility.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides baking-free UV texture adhesive for composite boards and a preparation method thereof, and the adopted technical scheme comprises the following steps:
the baking-free UV texture adhesive for the composite board comprises the following raw materials in parts by mass:
the technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the polyfunctional polyurethane acrylate has a molecular weight of 5000-13000, a number of acrylate groups of 10-15, and a viscosity of 10000-80000CPS at 25deg.C.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the multi-functionality silicon-containing polyester acrylate has a molecular weight of 3000-15000, a silicon element content of 15-20%, an acrylate group number of 8-15, and a viscosity of 2000-9000CPS at 25 ℃.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the polyfunctional fluorine-containing polyurethane acrylate has a molecular weight of 2000-10000, a fluorine element content of 5-10wt%, an acrylate group number of 12-18, and a viscosity of 3000-8000 mpa.s at 25 ℃.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the reactive diluent is one of low molecular weight compounds containing single carbon-carbon double bond, two carbon-carbon double bonds and three carbon-carbon double bonds, has a molecular weight of less than 450, is liquid at normal temperature, and has the function of adjusting the viscosity of the texture adhesive.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the photoinitiator is selected from one or two of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide, a photoinitiator 184, a photoinitiator 1173 and a photoinitiator 2959.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the adhesion promoters are A-151 and A-174 silane coupling agents; the surface slipping agent is JH-410 surface slipping agent; the polymerization inhibitor is 4-methoxyphenol.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows: the composite board is PC, PET, TPU, PMMA, glass or a composite material thereof.
The UV texture adhesive provided by the invention adopts multifunctional functional acrylic ester as main resin, and the preparation method comprises the following steps: under the protection of nitrogen, adding the multifunctional acrylic ester, the reactive diluent and the UV adhesion promoter into a batching kettle, stirring, heating to 80 ℃, preserving heat, stirring for 2 hours, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat, and stirring for 30 minutes.
Compared with the prior art, the invention has the advantages that:
the UV texture adhesive for manufacturing the composite board provided by the invention has the advantages that the selected multifunctional polyester or polyurethane acrylate containing functional elements can provide higher crosslinking density,
the multi-functionality silicon-containing polyester acrylate selected by the invention can provide higher crosslinking density, so that the hardness of the coating is improved, the volume shrinkage of the coating is effectively reduced, and certain flexibility is maintained; the existence of the silicon element can ensure that the surface of the coating has certain smoothness, thereby providing the wear resistance of the coating;
the multifunctional fluorine-containing polyurethane acrylate also selected in the invention can provide higher crosslinking density, improve the hardness of the coating, keep certain flexibility, and ensure that the surface of the coating has excellent lubricity due to the existence of fluorine-containing elements, thereby further improving the wear resistance of the coating.
The reactive diluent can effectively reduce the viscosity of the texture glue, improve the compatibility between resins, and effectively improve the comprehensive performance and the construction performance of the glue in a system.
Various assistants in the application can effectively improve the specific performance of the texture adhesive, for example, the adhesion promoter silane coupling agent can effectively improve the adhesion of the texture adhesive, and the surface slipping agent JH-410 can improve the friction resistance of the texture adhesive.
The UV texture adhesive provided by the invention has good adhesive property and strong applicability to various plates and even composite plates, such as PC, PET, TPU, PMMA, glass or composite materials thereof.
Detailed Description
The technical solutions in the embodiments of the present invention are further clearly and completely described by the following examples. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The baking-free UV texture adhesive for the composite board comprises the following raw materials in parts by mass:
30 parts of polyfunctional polyurethane acrylate;
10 parts of polyfunctional silicon-containing polyester acrylate;
10 parts of polyfunctional fluorine-containing polyurethane acrylate;
10 parts of a reactive diluent;
5 parts of UV adhesion promoter;
1 part of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide;
1 part of photoinitiator 2959 is added;
1 part of auxiliary agent.
In this example, the polyfunctional urethane acrylate has a molecular weight of 5000-13000, a number of acrylate groups of 10-15, and a viscosity of 10000-80000CPS at 25 ℃;
the molecular weight of the polyfunctional silicon-containing polyester acrylate is 3000-15000, the silicon element content is 15-20wt%, the number of acrylate groups is 8-15, and the viscosity is 2000-9000CPS at 25 ℃;
the polyfunctional fluorine-containing polyurethane acrylate has a molecular weight of 2000-10000, a fluorine element content of 5-10wt%, an acrylate group number of 12-18, and a viscosity of 3000-8000 mpa.s at 25 ℃.
The preparation method of the baking-free UV texture adhesive for the composite board comprises the following steps: under the protection of nitrogen, adding the multifunctional acrylic ester, the reactive diluent and the adhesion promoter into a batching kettle, stirring, heating to 80 ℃, preserving heat, stirring for 2 hours, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat, and stirring for 30 minutes.
Example 2
The baking-free UV texture adhesive for the composite board comprises the following raw materials in parts by mass:
30 parts of polyfunctional polyurethane acrylate;
15 parts of polyfunctional silicon-containing polyester acrylate;
15 parts of polyfunctional fluorine-containing polyurethane acrylate;
10 parts of a reactive diluent;
5 parts of UV adhesion promoter;
1 part of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide;
1 part of photoinitiator 184 is added;
1 part of auxiliary agent.
In this example, the polyfunctional urethane acrylate has a molecular weight of 5000-13000, a number of acrylate groups of 10-15, and a viscosity of 10000-80000CPS at 25 ℃;
the molecular weight of the polyfunctional silicon-containing polyester acrylate is 3000-15000, the silicon element content is 15-20wt%, the number of acrylate groups is 8-15, and the viscosity is 2000-9000CPS at 25 ℃;
the polyfunctional fluorine-containing polyurethane acrylate has a molecular weight of 2000-10000, a fluorine element content of 5-10wt%, an acrylate group number of 12-18, and a viscosity at 25deg.C
3000-8000mpa·s。
The preparation method of the baking-free UV texture adhesive for the composite board comprises the following steps: under the protection of nitrogen, adding the multifunctional acrylic ester, the reactive diluent and the adhesion promoter into a batching kettle, stirring, heating to 80 ℃, preserving heat, stirring for 2 hours, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat, and stirring for 30 minutes.
Example 3
The baking-free UV texture adhesive for the composite board comprises the following raw materials in parts by mass:
30 parts of polyfunctional polyurethane acrylate;
10 parts of polyfunctional silicon-containing polyester acrylate;
10 parts of a reactive diluent;
3 parts of UV adhesion promoter;
2 parts of photoinitiator 184 are added;
1 part of auxiliary agent.
In this example, the polyfunctional urethane acrylate has a molecular weight of 5000-13000, a number of acrylate groups of 10-15, and a viscosity of 10000-80000CPS at 25 ℃;
the molecular weight of the polyfunctional silicon-containing polyester acrylate is 3000-15000, the silicon element content is 15-20wt%, the number of acrylate groups is 8-15, and the viscosity is 2000-9000CPS at 25 ℃;
the preparation method of the baking-free UV texture adhesive for the composite board comprises the following steps: under the protection of nitrogen, adding the multifunctional acrylic ester, the reactive diluent and the adhesion promoter into a batching kettle, stirring, heating to 60 ℃, preserving heat, stirring for 2 hours, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat, and stirring for 30 minutes.
Example 4
The baking-free UV texture adhesive for the composite board comprises the following raw materials in parts by mass:
40 parts of polyfunctional polyurethane acrylic ester;
15 parts of a reactive diluent;
2 parts of UV adhesion promoter;
adding 1 part of photoinitiator 1173;
1 part of photoinitiator 184 is added;
1 part of auxiliary agent.
In this example, the polyfunctional urethane acrylate has a molecular weight of 5000-13000, a number of acrylate groups of 10-15, and a viscosity of 10000-80000CPS at 25 ℃.
The preparation method of the baking-free UV texture adhesive for the composite board comprises the following steps: under the protection of nitrogen, adding the multifunctional acrylic ester, the reactive diluent and the adhesion promoter into a batching kettle, stirring, heating to 60 ℃, preserving heat, stirring for 2 hours, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat, and stirring for 30 minutes.
Example 5
The baking-free UV texture adhesive for the composite board comprises the following raw materials in parts by mass:
30 parts of polyfunctional polyurethane acrylate;
10 parts of polyfunctional fluorine-containing polyurethane acrylate;
5 parts of a reactive diluent;
3 parts of UV adhesion promoter;
1.5 parts of photoinitiator 184 is added;
photoinitiator 2959 was added 1.5 parts;
1 part of auxiliary agent.
In this example, the polyfunctional urethane acrylate has a molecular weight of 5000-13000, a number of acrylate groups of 10-15, and a viscosity of 10000-80000CPS at 25 ℃;
the polyfunctional fluorine-containing polyurethane acrylate has a molecular weight of 2000-10000, a fluorine element content of 5-10wt%, an acrylate group number of 12-18, and a viscosity of 3000-8000 mpa.s at 25 ℃.
The preparation method of the baking-free UV texture adhesive for the composite board comprises the following steps: under the protection of nitrogen, adding the multifunctional acrylic ester, the reactive diluent and the adhesion promoter into a batching kettle, stirring, heating to 60 ℃, preserving heat, stirring for 2 hours, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat, and stirring for 30 minutes.
The composite board prepared in examples 1 to 5 was coated with baking-free UV-textured adhesive on PC/PMMA board having a thickness of 150 to 250 μm, the UV-textured adhesive was cured after UV irradiation, and pencil hardness, adhesion, abrasion resistance, high pressure resistance and water boiling hundred test were performed on the cured UV-textured adhesive, respectively, as follows.
The following is a test method for pencil hardness, adhesion, abrasion resistance, high pressure resistance and water boiling test of the cured UV texture adhesive:
pencil hardness: the test is carried out by adopting the national standard GB/T6739-2006 method.
Adhesion force: the national standard GBT9286-1998 method is adopted for testing.
Friction-resistant: the test was performed using a steel wool friction tester, applying 1000g of pressure, 50 times/min.
High pressure resistance: the hot pressing is carried out for 2min at 200 ℃ without cracking.
Boiling the hundred pieces: boiling in water at 100deg.C for 1 hr, and testing the coating surface without falling off and incomplete.
The pencil hardness, adhesion, abrasion resistance, high pressure resistance and water boiling hundred test results of the UV texture adhesives prepared in examples 1 to 5 are shown in Table 1.
| Performance of | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| Hardness of pencil | 5H | 6H | 4H | 4H | 4H |
| Adhesion force | 5B | 5B | 5B | 5B | 5B |
| Friction-resistant | >300 | >300 | >300 | >300 | >300 |
| High pressure resistant | Qualified product | Qualified product | Qualified product | Qualified product | Qualified product |
| Boiled hundred grid | Qualified product | Qualified product | Qualified product | Qualified product | Qualified product |
Of course, the present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications and substitutions are included in the scope of the present invention as defined in the appended claims.
Claims (9)
1. The baking-free UV texture adhesive for the composite board is characterized by comprising the following raw materials in parts by mass:
2. the baking-free UV-texture paste for composite boards according to claim 1, wherein the number of the polyfunctional urethane acrylate groups is 10 to 15.
3. The baking-free UV-texture adhesive for composite boards according to claim 1, wherein the polyfunctional silicon-containing polyester acrylate is a photocurable resin having a silicon element content of 15 to 20% and an acrylate group number of 8 to 15.
4. The baking-free UV-texture paste for composite boards according to claim 1, wherein the polyfunctional fluorine-containing urethane acrylate is a photocurable resin having a fluorine element content of 5 to 10% and an acrylate group number of 12 to 18.
5. The baking-free UV-texture paste for composite boards according to claim 1, wherein the reactive diluent is a low molecular weight compound having a molecular weight of less than 450 and containing a single, two or three carbon-carbon double bonds, and is in a liquid state at normal temperature.
6. The baking-free UV-texture paste for composite panels according to claim 1, wherein the photoinitiator is one or two selected from diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide, photoinitiator 184, photoinitiator 1173 and photoinitiator 2959.
7. The baking-free UV-texture adhesive for composite boards according to claim 1, wherein the UV adhesion promoter is a-151 and a-174 silane coupling agent, the surface slipping agent is JH-410 surface slipping agent, and the polymerization inhibitor is 4-methoxyphenol.
8. The baking-free UV-texture paste for composite panels according to claim 1, wherein the composite panel is PC, PET, TPU, PMMA, glass or a composite thereof.
9. A process for preparing baking-free UV-texture adhesive for composite boards as claimed in any one of claims 1 to 8,
under the protection of nitrogen, after the raw materials are weighed according to the proportion, the polyfunctional polyurethane acrylic ester,
Adding the polyfunctional silicon-containing polyester acrylate, the polyfunctional fluorine-containing polyurethane acrylate, the reactive diluent and the UV adhesion promoter into a batching kettle, stirring and heating to 60-80 ℃, preserving heat and stirring for 2h, cooling to 50 ℃, adding the photoinitiator and the auxiliary agent, preserving heat and stirring for 30min, and thus obtaining the modified silicon-containing polyurethane adhesive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311346550.4A CN117285902A (en) | 2023-10-18 | 2023-10-18 | Baking-free UV texture adhesive for composite board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311346550.4A CN117285902A (en) | 2023-10-18 | 2023-10-18 | Baking-free UV texture adhesive for composite board and preparation method thereof |
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| US20230151254A1 (en) * | 2021-11-18 | 2023-05-18 | Sae Magnetics (H.K.) Ltd. | Adhesive glue, curing method therefor, and application thereof |
| CN116694200A (en) * | 2023-05-24 | 2023-09-05 | 无锡博加电子新材料有限公司 | High-hardness wear-resistant UV (ultraviolet) curing coating |
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- 2023-10-18 CN CN202311346550.4A patent/CN117285902A/en active Pending
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| CN111334242A (en) * | 2020-04-29 | 2020-06-26 | 东莞市贝特利新材料有限公司 | Ultraviolet curing transfer adhesive for 3D molding and preparation method thereof |
| US20230151254A1 (en) * | 2021-11-18 | 2023-05-18 | Sae Magnetics (H.K.) Ltd. | Adhesive glue, curing method therefor, and application thereof |
| CN114316787A (en) * | 2021-12-28 | 2022-04-12 | 东莞市贝特利新材料有限公司 | UV transfer printing adhesive, preparation method and application thereof |
| CN116694200A (en) * | 2023-05-24 | 2023-09-05 | 无锡博加电子新材料有限公司 | High-hardness wear-resistant UV (ultraviolet) curing coating |
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