CN112694633A - Multifunctional hardening film and method thereof - Google Patents
Multifunctional hardening film and method thereof Download PDFInfo
- Publication number
- CN112694633A CN112694633A CN202110085362.5A CN202110085362A CN112694633A CN 112694633 A CN112694633 A CN 112694633A CN 202110085362 A CN202110085362 A CN 202110085362A CN 112694633 A CN112694633 A CN 112694633A
- Authority
- CN
- China
- Prior art keywords
- parts
- multifunctional
- hardening
- film according
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title description 4
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 239000002216 antistatic agent Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 18
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000004642 Polyimide Substances 0.000 claims abstract description 15
- 229920001721 polyimide Polymers 0.000 claims abstract description 15
- 239000003999 initiator Substances 0.000 claims description 22
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 10
- 239000002105 nanoparticle Substances 0.000 claims description 10
- 230000003666 anti-fingerprint Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims description 6
- RRZIJNVZMJUGTK-UHFFFAOYSA-N 1,1,2-trifluoro-2-(1,2,2-trifluoroethenoxy)ethene Chemical group FC(F)=C(F)OC(F)=C(F)F RRZIJNVZMJUGTK-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 claims description 4
- 229940119545 isobornyl methacrylate Drugs 0.000 claims description 4
- FNVQPLCHYJQMHP-UHFFFAOYSA-N methyl prop-2-enoate oxolane Chemical compound C(C=C)(=O)OC.O1CCCC1 FNVQPLCHYJQMHP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 125000000864 peroxy group Chemical group O(O*)* 0.000 claims description 4
- -1 polyoxyethylene Polymers 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- LVGFPWDANALGOY-UHFFFAOYSA-N 8-methylnonyl prop-2-enoate Chemical compound CC(C)CCCCCCCOC(=O)C=C LVGFPWDANALGOY-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 238000000643 oven drying Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000007761 roller coating Methods 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002268 wool Anatomy 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- 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
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Laminated Bodies (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of ceramic production, in particular to a multifunctional hardening film which comprises acrylic resin hardening liquid with a transparent polyimide substrate doped with an ionic antistatic agent. The invention realizes the concentration of four functions of high wear resistance, high water drop angle, fog prevention and static resistance at one timeThe existing coating process and the formula of the hardening liquid adopt special ultraviolet light to cure acrylic resin, wherein the resin contains hydrophilic groups, has good hydrophilic performance and can realize an antifogging function; the product also contains ionic antistatic agent to realize antistatic function, and the weight resistance can be 108‑1011Omega, and the HC resin coating also has strong friction resistance. The hardened film is realized in a roller coating mode, and through UV-A wave band ultraviolet curing, the thickness of a dry film reaches 3-4um, and the antistatic value of 10 can be realized9‑1011Omega, the wear-resisting times reach more than 2000 times.
Description
Technical Field
The invention relates to the technical field of ceramic production, in particular to a multifunctional hardening film and a method thereof.
Background
Along with the higher protection requirements of electronic product panels, the higher requirements of the hardened protective film on the surface are, and the need of realizing diversified supporting protective films of electronic products is needed, so that the novel hardened protective film with a composite function needs to be developed.
At present, a common type hardening film is prepared by coating a common acrylate type hardening coating on a PET substrate and forming a hardened coating through UV (ultraviolet) light curing, and the coating cannot integrate the functions of high wear resistance, static resistance, high water drop angle and fog prevention.
Disclosure of Invention
The invention aims to provide a multifunctional hardening film and a method thereof, and aims to solve the problem that the traditional hardening film cannot integrate high wear resistance, antistatic property, high water drop angle and antifogging function due to the limitation in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multifunctional hardened film comprises a transparent polyimide substrate and acrylic resin hardening liquid doped with an ionic antistatic agent, and the preparation method specifically comprises the following steps:
s1: uniformly coating the hardening liquid on the transparent polyimide substrate by a micro-concave coating process;
s2: curing the transparent polyimide substrate coated with the hardening liquid through ultraviolet light in a UV-A waveband, and under the protection of nitrogen gas during curing, wherein the curing thickness is 3-4 microns;
s3: and conveying the cured hardened film to an oven for drying, then carrying out annealing treatment, and after the hardened film is cooled, adhering a protective film and cutting.
Preferably, the dimple coating process specifically adopts a 120-line and 45-degree oblique line type dimple coating roll, and the coating solid content adopted by the dimple coating roll is 500-600mJ/cm2The coating speed ratio is 15-20 m/min.
Preferably, the conditions of UV-A wave band ultraviolet curing are as follows: illumination intensity of 200-2Light quantity of 500-600mJ/cm2The temperature of the film surface is 45-55 ℃.
Preferably, the temperature of the oven is 95-100 ℃, and the drying time is 3-8 min.
Preferably, the ionic antistatic agent is a polyoxyethylene-type polymeric antistatic agent.
Preferably, the acrylic resin hardening liquid comprises the following raw materials in parts by weight: 100-150 parts of acrylic resin monomer, 5-10 parts of ionic antistatic agent, 20-30 parts of reactive diluent, 10-15 parts of photoinitiator, 10-15 parts of thermal initiator, 1-2 parts of anti-fingerprint auxiliary agent and 10-15 parts of inorganic nanoparticles.
Preferably, the reactive diluent is one or a mixture of isobornyl methacrylate, tetrahydrofuran methyl acrylate, lauryl acrylate, isodecyl acrylate and polyethoxyethyl acrylate.
Preferably, the photoinitiator is one of an alpha-hydroxy ketone initiator and an acetophenone initiator, and the thermal initiator is a peroxy thermal initiator or an azo thermal initiator.
Preferably, the anti-fingerprint auxiliary agent is a perfluorovinyl ether reactive surfactant.
Preferably, the inorganic nano-particles are nano SiO2Or nano Al2O3。
Compared with the prior art, the invention has the beneficial effects that: the multifunctional hardening film realizes a coating process and a hardening liquid formula which are realized by concentrating four functions of high wear resistance, high water drop angle, fog prevention and static resistance at one time, and adopts special ultraviolet light to cure acrylic resin, wherein the resin contains hydrophilic groups, has good hydrophilic performance and can realize the fog prevention function; the product also contains ionic antistatic agent to realize antistatic function, and the weight resistance can be 108-1011Omega, and the HC resin coating also has strong friction resistance. The hardened film is realized in a roller coating mode, and through UV-A wave band ultraviolet curing, the thickness of a dry film reaches 3-4um, and the antistatic value of 10 can be realized9-1011Omega, the wear-resisting times reach more than 2000 times.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 the following technical scheme:
example 1
A multifunctional hardened film comprises acrylic resin hardening liquid with a transparent polyimide substrate doped with an ionic antistatic agent, and the preparation method specifically comprises the following steps:
s1: uniformly coating the hardening liquid on the transparent polyimide substrate by a micro-concave coating process;
s2: the transparent polyimide substrate coated with the hardening liquid is subjected to ultraviolet light curing in a UV-A waveband, and is protected by nitrogen during curing, wherein the curing thickness is 3.5 microns;
s3: and conveying the cured hardened film to an oven for drying, then carrying out annealing treatment, and after the hardened film is cooled, adhering a protective film and cutting.
Specifically, the dimple coating process in this example specifically used a 120-line, 45 ° diagonal dimple coating roll, and the dimple coating roll used a coating solid content of 500mJ/cm2The coating speed ratio was 15 m/min.
Further, the UV-A wave band ultraviolet curing conditions are as follows: illuminance of 250mW/cm2Light quantity 550mJ/cm2The temperature of the film surface is 50 ℃, the temperature of an oven is 100 ℃, and the drying time is 4 min.
It is to be noted that the ionic antistatic agent is a polyoxyethylene type polymeric antistatic agent.
It is worth to be noted that the acrylic resin hardening liquid comprises the following raw materials in parts by weight: 120 parts of acrylic resin monomer, 8 parts of ionic antistatic agent, 25 parts of reactive diluent, 12 parts of photoinitiator, 12 parts of thermal initiator, 2 parts of anti-fingerprint auxiliary agent and 13 parts of inorganic nano particles.
In addition, the reactive diluent is a mixture of isobornyl methacrylate and polyethoxyethyl acrylate, the photoinitiator is alpha-hydroxy ketone, and the thermal initiator is peroxy thermal initiatorThe hair agent, the anti-fingerprint auxiliary agent is perfluorovinyl ether reactive surfactant, and the inorganic nano particles are nano SiO2。
Example 2
A multifunctional hardened film comprises acrylic resin hardening liquid with a transparent polyimide substrate doped with an ionic antistatic agent, and the preparation method specifically comprises the following steps:
s1: uniformly coating the hardening liquid on the transparent polyimide substrate by a micro-concave coating process;
s2: curing the transparent polyimide substrate coated with the hardening liquid through ultraviolet light in a UV-A waveband, and under the protection of nitrogen gas during curing, wherein the curing thickness is 3 microns;
s3: and conveying the cured hardened film to an oven for drying, then carrying out annealing treatment, and after the hardened film is cooled, adhering a protective film and cutting.
Specifically, the dimple coating process in this example specifically uses a 120-line, 45 ° oblique line type dimple coating roll, and the dimple coating roll uses a coating solid content of 550mJ/cm2The coating speed ratio was 15 m/min.
Further, the UV-A wave band ultraviolet curing conditions are as follows: illuminance 300mW/cm2Light quantity 550mJ/cm2The temperature of the film surface is 50 ℃, the temperature of an oven is 95 ℃, and the drying time is 8 min.
It is to be noted that the ionic antistatic agent is a polyoxyethylene type polymeric antistatic agent.
It is worth to be noted that the acrylic resin hardening liquid comprises the following raw materials in parts by weight: 120 parts of acrylic resin monomer, 8 parts of ionic antistatic agent, 25 parts of reactive diluent, 15 parts of photoinitiator, 13 parts of thermal initiator, 1.5 parts of anti-fingerprint auxiliary agent and 10 parts of inorganic nano particles.
In addition, the active diluent is tetrahydrofuran methyl acrylate, the photoinitiator is acetophenone initiator, the thermal initiator is azo thermal initiator, the anti-fingerprint auxiliary agent is perfluorovinyl ether reactive surfactant, and the inorganic nano particles are nano Al2O3。
Example 3
A multifunctional hardened film comprises acrylic resin hardening liquid with a transparent polyimide substrate doped with an ionic antistatic agent, and the preparation method specifically comprises the following steps:
s1: uniformly coating the hardening liquid on the transparent polyimide substrate by a micro-concave coating process;
s2: curing the transparent polyimide substrate coated with the hardening liquid through ultraviolet light in a UV-A waveband, and under the protection of nitrogen during curing, wherein the curing thickness is 4 m;
s3: and conveying the cured hardened film to an oven for drying, then carrying out annealing treatment, and after the hardened film is cooled, adhering a protective film and cutting.
Specifically, the dimple coating process in this example specifically uses a 120-line, 45 ° oblique line type dimple coating roll, and the dimple coating roll uses a coating solid content of 600mJ/cm2The coating speed ratio was 20 m/min.
Further, the UV-A wave band ultraviolet curing conditions are as follows: illuminance 300mW/cm2Light quantity of 600mJ/cm2The temperature of the film surface is 50 ℃, the temperature of an oven is 100 ℃, and the drying time is 5 min.
It is to be noted that the ionic antistatic agent is a polyoxyethylene type polymeric antistatic agent.
It is worth to be noted that the acrylic resin hardening liquid comprises the following raw materials in parts by weight: 150 parts of acrylic resin monomer, 10 parts of ionic antistatic agent, 30 parts of reactive diluent, 15 parts of photoinitiator, 15 parts of thermal initiator, 2 parts of anti-fingerprint auxiliary agent and 15 parts of inorganic nano particles.
In addition, the active diluent is a mixture of isobornyl methacrylate, tetrahydrofuran methyl acrylate, lauryl acrylate, isodecyl acrylate and polyethoxyethyl acrylate, the photoinitiator is an alpha-hydroxy ketone initiator, the thermal initiator is a peroxy thermal initiator, the anti-fingerprint auxiliary agent is a perfluorovinyl ether reactive surfactant, and the inorganic nanoparticles are nano SiO23。
The multifunctional hardened films prepared by the three examples of the present invention were compared with the conventional hardened films in terms of the number of wear resistance times (1 kgf, 0000# steel wool), the antistatic value, and the dry film thickness, as shown in the following table:
the multifunctional hardening film disclosed by the invention realizes a coating process and a hardening liquid formula which are realized by concentrating four functions of high wear resistance, high water drop angle, fog prevention and static resistance at one time, and special ultraviolet curing acrylic resin is adopted, wherein the resin contains hydrophilic groups, so that the multifunctional hardening film has good hydrophilic performance and can realize an anti-fog function; the product also contains ionic antistatic agent to realize antistatic function, and the weight resistance can be 108-1011Omega, and the HC resin coating also has strong friction resistance. The hardened film is realized in a roller coating mode, and through UV-A wave band ultraviolet curing, the thickness of a dry film reaches 3-4um, and the antistatic value of 10 can be realized9-1011Omega, the wear-resisting times reach more than 2000 times.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A multifunctional hardened film is characterized in that: the preparation method comprises the following steps:
s1: uniformly coating the hardening liquid on the transparent polyimide substrate by a micro-concave coating process;
s2: curing the transparent polyimide substrate coated with the hardening liquid through ultraviolet light in a UV-A waveband, and under the protection of nitrogen gas during curing, wherein the curing thickness is 3-4 microns;
s3: and conveying the cured hardened film to an oven for drying, then carrying out annealing treatment, and after the hardened film is cooled, adhering a protective film and cutting.
2. The multifunctional hardening film according to claim 1, wherein: the dimple coating process specifically adopts a 120-line and 45-degree oblique line type dimple coating roll, and the coating solid content adopted by the dimple coating roll is 500-600mJ/cm2The coating speed ratio is 15-20 m/min.
3. The multifunctional hardening film according to claim 1, wherein: the UV-A wave band ultraviolet curing conditions are as follows: illumination intensity of 200-2Light quantity of 500-600mJ/cm2The temperature of the film surface is 45-55 ℃.
4. The multifunctional hardening film according to claim 1, wherein: the oven temperature is 95-100 deg.C, and the oven drying time is 3-8 min.
5. The multifunctional hardening film according to claim 1, wherein: the ionic antistatic agent is a polyoxyethylene type high-molecular antistatic agent.
6. The multifunctional hardening film according to claim 1, wherein: the acrylic resin hardening liquid comprises the following raw materials in parts by weight: 100-150 parts of acrylic resin monomer, 5-10 parts of ionic antistatic agent, 20-30 parts of reactive diluent, 10-15 parts of photoinitiator, 10-15 parts of thermal initiator, 1-2 parts of anti-fingerprint auxiliary agent and 10-15 parts of inorganic nanoparticles.
7. The multifunctional hardening film according to claim 6, wherein: the active diluent is one or a mixture of more of isobornyl methacrylate, tetrahydrofuran methyl acrylate, lauryl acrylate, isodecyl acrylate and polyethoxyethyl acrylate.
8. The multifunctional hardening film according to claim 6, wherein: the photoinitiator is one of alpha-hydroxy ketone initiators and acetophenone initiators, and the thermal initiator is a peroxy thermal initiator or an azo thermal initiator.
9. The multifunctional hardening film according to claim 6, wherein: the fingerprint resistant auxiliary agent is a perfluorovinyl ether reactive surfactant.
10. The multifunctional hardening film according to claim 6, wherein: the inorganic nano particles are nano SiO2Or nano Al2O3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085362.5A CN112694633A (en) | 2021-01-22 | 2021-01-22 | Multifunctional hardening film and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085362.5A CN112694633A (en) | 2021-01-22 | 2021-01-22 | Multifunctional hardening film and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112694633A true CN112694633A (en) | 2021-04-23 |
Family
ID=75515896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110085362.5A Pending CN112694633A (en) | 2021-01-22 | 2021-01-22 | Multifunctional hardening film and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112694633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740941A (en) * | 2021-07-12 | 2021-12-03 | 安徽菲尔慕材料有限公司 | Manufacturing process of polyimide film hardened conductive composite film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203013A (en) * | 2016-03-18 | 2017-09-26 | 湖北航天化学技术研究所 | A kind of antistatic anti-glare antireflective optical film and its preparation method and application |
| CN110358439A (en) * | 2019-07-22 | 2019-10-22 | 新恒东薄膜材料（常州）有限公司 | A kind of clear polyimides cured film of lower shrinkage high-hardness, wearable |
| CN210163366U (en) * | 2019-01-30 | 2020-03-20 | 惠州市勤洲建治光学材料有限公司 | Novel hardening film |
-
2021
- 2021-01-22 CN CN202110085362.5A patent/CN112694633A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203013A (en) * | 2016-03-18 | 2017-09-26 | 湖北航天化学技术研究所 | A kind of antistatic anti-glare antireflective optical film and its preparation method and application |
| CN210163366U (en) * | 2019-01-30 | 2020-03-20 | 惠州市勤洲建治光学材料有限公司 | Novel hardening film |
| CN110358439A (en) * | 2019-07-22 | 2019-10-22 | 新恒东薄膜材料（常州）有限公司 | A kind of clear polyimides cured film of lower shrinkage high-hardness, wearable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740941A (en) * | 2021-07-12 | 2021-12-03 | 安徽菲尔慕材料有限公司 | Manufacturing process of polyimide film hardened conductive composite film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103073934B (en) | Ultraviolet curing anti-fingerprint coating for acrylic and composite material base material thereof | |
| CN101100583B (en) | High-adhesion ultraviolet radiation polyurethane double-solidifying carpentry paint and preparation method thereof | |
| CN112694633A (en) | Multifunctional hardening film and method thereof | |
| CN105121159A (en) | Polyimide cover substrate | |
| KR102079520B1 (en) | Multilayer film and method for producing same | |
| CN1191548A (en) | Application of polymer backing onto glass substrate | |
| CN107418422A (en) | A kind of antistatic UV coating, antistatic MS sheet materials | |
| CN102702931A (en) | Preparation method of titanium dioxide-silicon dioxide-epoxy resin composite super-hydrophobic coating | |
| CN109553791A (en) | A kind of anti-blue light film and preparation method thereof with ultrahigh hardness | |
| AU2017327882B2 (en) | Tempered glass substrate with reduced iridescence | |
| CN108219608B (en) | White graphene composite resin hardening liquid and preparation method of PET hardened layer | |
| CN111825884B (en) | Silane coupling agent with carbamido and imide structures and preparation method and application thereof | |
| CN111978857A (en) | Coating liquid used before film evaporation and preparation process thereof | |
| CN106947384A (en) | A kind of ultraviolet light polymerization prevents adhesion hardening bath | |
| Hu et al. | UV-cured organic–inorganic hybrid nanocomposite initiated by trimethoxysilane-modified fragmental photoinitiator | |
| KR101252340B1 (en) | Hard-coating composition and hard-coating film | |
| CN107365553B (en) | Thermal transfer printing PET film ultraviolet curing varnish and preparation method thereof | |
| CN117019597A (en) | Preparation method of yellowing-resistant shallow pattern highlight digital printing decorative artificial board | |
| CN104635285B (en) | High-stiffness coated reflecting film and preparation method thereof | |
| CN209649827U (en) | One kind exempting from topcoating water coating transfer film | |
| CN110204726B (en) | Preparation method of organic silicon modified acrylic resin | |
| Zhang et al. | Facile fabrication of titanium atomic modification polyimide‑silicone coatings via moisture/thermal dual curing for high temperature protection | |
| CN112552840A (en) | High-temperature-resistant high-viscosity glue protective film and preparation method thereof | |
| CN112852194A (en) | Hardening coating, preparation method and application thereof, and solar cell back plate | |
| CN101104701A (en) | Method for preparing organic glass with high-wearing feature and high punching resistance by film transfer method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cai Yuefan Inventor before: Cai Chaofan |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |