CN114574076A - Blue-light-proof ultraviolet-resistant paint, coating, protective film applying blue-light-resistant ultraviolet-resistant paint and preparation method of protective film - Google Patents
Blue-light-proof ultraviolet-resistant paint, coating, protective film applying blue-light-resistant ultraviolet-resistant paint and preparation method of protective film Download PDFInfo
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- CN114574076A CN114574076A CN202011368360.9A CN202011368360A CN114574076A CN 114574076 A CN114574076 A CN 114574076A CN 202011368360 A CN202011368360 A CN 202011368360A CN 114574076 A CN114574076 A CN 114574076A
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- blue
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- 238000000576 coating method Methods 0.000 title claims abstract description 160
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- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 66
- 230000002745 absorbent Effects 0.000 claims abstract description 28
- 239000002250 absorbent Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- 238000012216 screening Methods 0.000 claims abstract description 15
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 15
- 238000001029 thermal curing Methods 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 54
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- 230000003287 optical effect Effects 0.000 claims description 35
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 34
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- 239000010703 silicon Substances 0.000 claims description 34
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- 238000001723 curing Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000003848 UV Light-Curing Methods 0.000 claims description 10
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- 238000007761 roller coating Methods 0.000 claims description 9
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- 239000004925 Acrylic resin Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 6
- 238000000016 photochemical curing Methods 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 3
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
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- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims description 3
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- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 229960000969 phenyl salicylate Drugs 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
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- 239000011787 zinc oxide Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims 4
- 239000004568 cement Substances 0.000 claims 1
- 239000001052 yellow pigment Substances 0.000 claims 1
- 230000001795 light effect Effects 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- 239000003431 cross linking reagent Substances 0.000 description 15
- -1 polydimethylsiloxane Polymers 0.000 description 13
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 238000002834 transmittance Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 7
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 7
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
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- DGOBMKYRQHEFGQ-UHFFFAOYSA-L acid green 5 Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C=CC(=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 DGOBMKYRQHEFGQ-UHFFFAOYSA-L 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
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- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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- 210000000844 retinal pigment epithelial cell Anatomy 0.000 description 1
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Images
Classifications
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—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
- C09J11/08—Macromolecular 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
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- 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
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/006—Presence of (meth)acrylic polymer in the substrate
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- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- 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
- C09J2469/00—Presence of polycarbonate
- C09J2469/006—Presence of polycarbonate in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a blue-light-proof anti-ultraviolet paint, a coating, a protective film applying the blue-light-proof anti-ultraviolet paint and a preparation method, wherein the blue-light-proof anti-ultraviolet paint comprises the following components in percentage by mass: 0.5-10% of ultraviolet screening agent, 0.5-20% of thermal curing agent, 20-80% of thermosetting resin, 0.05-10% of blue light absorbent, 0.01-0.8% of blue nano color paste, 0.01-0.8% of yellow nano color paste, 0.01-0.8% of red nano color paste, 0.01-0.8% of black nano color paste, 0.1-15% of other additives and 1-50% of solvent. The blue-light-proof anti-ultraviolet light coating is used for forming a blue-light-proof anti-ultraviolet light pale green coating, a pale blue coating and a pale grayish blue coating, and the coating is matched with other film layers to prepare the screen protective film of the electronic product, so that when the protective film is used, the blue light from a display screen can be filtered, the blue-light-proof rate and the anti-ultraviolet light effect are improved, and the influence of the color of the blue-light-proof absorbent on the color saturation of the screen can be effectively avoided.
Description
Technical Field
The invention belongs to the technical field of screen protective films, and particularly relates to a blue-light-proof ultraviolet-resistant coating, a protective film using the blue-light-proof ultraviolet-resistant coating and a preparation method of the protective film.
Background
With the popularization of electronic products such as mobile phones, computers and the like, the time for which the eyes of teenagers and children contact the screen is longer and longer, and high-energy blue light emitted from a screen display causes retinal pigment epithelial cells to die, so that the eyesight is damaged. Therefore, it would be beneficial to protect the eyes of teenage children if some of the uv and blue light emitted from the screens of these products were filtered out.
At present, two types of blue light prevention protective films are provided, one type is a blue light prevention optical base film formed by melt extrusion or calendaring, although the ultraviolet absorptivity of the blue light prevention protective film can reach more than 99%, the process is complex, the cost is high, the transparency is low, the appearance color is yellow, and the color saturation of a display screen is seriously influenced; the other blue light-proof protective film is made by coating a layer of blue light-proof and ultraviolet-proof coating on a base film, but the appearance of the blue light-proof protective film is yellow, which seriously influences the vision of a user.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a coating with blue light-resistant and ultraviolet-resistant effects, which solves the problem of poor blue light-resistant and ultraviolet-resistant effects of the protective film in the prior art.
The invention also aims to provide a coating applying the blue-light-proof and ultraviolet-resistant paint;
the third purpose of the invention is to provide a light green, light blue and light gray blue protective film for preventing blue light and resisting ultraviolet;
the fourth purpose of the invention is to provide a preparation method of the protective film for preventing blue light and ultraviolet rays.
In order to achieve the purpose, the technical scheme of the invention is realized as follows: the blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
0.5-10% of ultraviolet screening agent, 0.5-20% of thermal curing agent, 20-80% of thermosetting resin, 0.05-10% of blue light absorbent, 0.01-0.8% of blue nano color paste, 0.01-0.8% of yellow nano color paste, 0.01-0.8% of red nano color paste, 0.01-0.8% of black nano color paste, 0.1-15% of other additives and 1-50% of solvent.
Preferably, the paint comprises the following components in percentage by mass: 1-5% of ultraviolet screening agent, 1-5% of thermal curing agent, 20-50% of thermosetting resin, 0.1-2% of blue light absorbent, 0.05-0.5% of blue nano color paste, 0.05-0.5% of yellow nano color paste, 0.05-0.5% of red nano color paste, 0.05-0.5% of black nano color paste, 0.1-15% of other additives and 1-50% of solvent.
Preferably, the ultraviolet screening agent is at least one of phenyl salicylate, ultraviolet absorbent UV-0, ultraviolet absorbent UV-P, ultraviolet absorbent UV-9, ultraviolet absorbent UV-321, ultraviolet absorbent UV-531 and ultraviolet absorbent RMB.
Preferably, the thermal curing agent is at least one of methyl ethyl ketone peroxide, benzoyl peroxide, 704# curing agent and 705# curing agent.
Preferably, the thermosetting resin is at least one of acrylic epoxy resin, urethane acrylate resin, modified acrylic epoxy resin, modified epoxy resin and modified urethane acrylate resin.
Preferably, the blue light absorber comprises yellow color concentrate, yellow phosphor, nano zinc oxide, nano cerium oxide and SiO2Nano microcrystal composed of CdS and PbS.
Preferably, the blue nanometer color paste, the yellow nanometer color paste, the red nanometer color paste and the black nanometer color paste are all inorganic nanometer dyes.
Preferably, the other additive is at least one of a leveling agent, a stabilizer, a dispersing agent and an anti-reflection agent.
Preferably, the mass percentages of the advection agent, the stabilizer, the dispersant and the anti-reflection agent are all 0.1-5%.
Preferably, the solvent may be at least one selected from xylene, ethyl acetate, diethyl ether and dichloroethane.
The second technical scheme of the invention is realized as follows: the blue-light-proof and ultraviolet-resistant coating is used for a blue-light-proof and ultraviolet-resistant protective film and is made of the blue-light-proof and ultraviolet-resistant coating.
The third technical scheme of the invention is realized as follows: a blue-light-proof ultraviolet-resistant protective film comprises a base film layer, a silicon release film layer, an optical adhesive layer, the blue-light-proof ultraviolet-resistant coating, a silica gel coating and the release film layer; silicon is from type rete, optical adhesive layer, prevents that blue light ultraviolet resistance coating from outer to interior pile up in proper order and set up on a side of basic rete, the silica gel coating with from the another side of type rete setting at basic rete, just the silica gel coating is located basic rete and is from between the type rete.
Preferably, the thickness of the base film layer is 36-150 μm, and the thickness of the blue-light-proof ultraviolet-resistant coating is 1-10 μm; the thickness of the optical adhesive layer is 25-200 mu m, and the thickness of the silica gel coating is 20-50 mu m; the thickness of the silicon release film layer is 30-70 mu m; the thickness of the release film layer is 30-70 mu m; the thickness of the blue-light-proof ultraviolet-resistant protective film is 100-290 mu m.
Preferably, the silicon release film layer comprises a PET base layer and a silicon release agent layer coated on the surface of the PET base layer.
Preferably, the optical adhesive layer is made of a photo-curing pressure-sensitive adhesive or a thermosetting pressure-sensitive adhesive; the silica gel coating is made by silica gel pressure sensitive adhesive, it is the PET base film to leave type rete.
Preferably, the base film layer is one of a PET, PC or PMMA film.
The fourth technical scheme of the invention is realized as follows: a preparation method of the blue-light-proof and ultraviolet-resistant protective film comprises the following steps:
s1, selecting a base film layer with the thickness of 80-120 mu m for later use;
s2, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating to obtain a first mixed base material;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2, coating the organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating to obtain a second mixed base material;
s4, attaching a release film layer to one side of the silica gel coating far away from the blue-light-proof ultraviolet-resistant coating to obtain a third mixed base material;
s5, performing vacuum defoaming treatment on the third mixed base material obtained in the step S4, coating a photocuring pressure-sensitive adhesive on one side, far away from the base film layer, of the blue-light-proof and ultraviolet-resistant coating in a roller coating mode, and performing low-pressure UV curing to form an optical adhesive layer to obtain a fourth mixed base material;
and S6, attaching a silicon release film layer to one side of the optical adhesive layer, which is far away from the blue-light-proof ultraviolet-resistant coating, so as to obtain the blue-light-proof ultraviolet-resistant protective film.
Preferably, the time of the vacuum defoaming treatment in the step S3 is 42-48 min; and the time of vacuum defoaming in the step S5 is 42-48 min.
Compared with the prior art, the blue-light-proof and ultraviolet-resistant coating is formed by adopting the blue-light-proof and ultraviolet-resistant coating provided by the invention, and the screen protective film of an electronic product is prepared by adopting the coating and other film layers to be matched, so that when the protective film is used, the blue light from a display screen can be filtered, the blue-light-proof rate and the ultraviolet-resistant effect are improved, and the influence of the color of a blue-light-proof absorbent on the color saturation of the screen can be effectively avoided; in addition, the protective film disclosed by the invention not only has multiple colors of light green, light blue and light gray blue, but also has double functions of blue light prevention and ultraviolet resistance, and is combined into a whole, so that the performance and the quality of the protective film are effectively improved.
In addition, the protective film prepared by the preparation method has the functions of low cost, high transmittance and good blue light and ultraviolet resistance effects, and the appearance color is light green, light blue and light grey blue, so that the color saturation of the display screen is not influenced, the screen light is soft, the eye fatigue is prevented, and the problems that the color saturation of the display screen and the visual aesthetic feeling of a user are seriously influenced due to the yellow appearance of a blue light absorbent added in the existing blue light resistant protective film process are effectively solved.
In addition, the blue-light-proof ultraviolet-resistant protective film obtained by the invention is low in cost, strong in product competitiveness and good in practicability, and is worthy of being widely popularized and used.
Drawings
FIG. 1 is a schematic view of the layered structure of a blue-light-blocking and UV-blocking protective film obtained in examples 1 to 5 of the present invention;
fig. 2 is a schematic structural diagram of a silicon release film layer in the blue light and ultraviolet ray preventing protective film obtained in embodiments 1 to 5 of the present invention.
In the figure, 1, a base film layer, 2, a silicon release film layer, 21, a PET base layer, 22, a silicon release agent layer, 3, an optical adhesive layer, 4, a blue light-proof ultraviolet-resistant layer, 5, a silica gel coating, 6, a release film layer, 7, a first blue light-proof ultraviolet-resistant base film layer, and 8, a second blue light-proof ultraviolet-resistant base film layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The blue-light-proof ultraviolet-resistant protective film provided by the embodiment of the invention is shown in fig. 1 and comprises a base film layer 1, a silicon release film layer 2, an optical adhesive layer 3, a blue-light-proof ultraviolet-resistant coating 4, a silica gel coating 5 and a release film layer 6; silicon is from type rete 2, optical adhesive layer 3, prevents that blue light ultraviolet resistance coating 4 from outer to interior pile up in proper order and set up on one side of base rete 1, and silica gel coating 5 with set up on the another side of base rete 1 from type rete 6, and silica gel coating 5 is located base rete 1 and from type rete 6 between.
Wherein, the thickness of the base film layer 1 is 36-150 μm, preferably 100 μm; the thickness of the blue-light-proof ultraviolet-resistant coating 4 is 1-10 mu m, preferably 6 mu m; the thickness of the optical adhesive layer 3 is 25-200 μm, preferably 142 μm; the thickness of the silica gel coating 5 is 20-50 μm, preferably 28 μm; the thickness of the silicon release film layer 2 is 30-70 μm, preferably 50 μm; the thickness of the release film layer 6 is 30-70 μm, preferably 50 μm; the thickness of the blue-light-proof and ultraviolet-proof protective film is 100-290 mu m, preferably 270 mu m.
Further, the silicon release film layer 2 comprises a PET base layer 21 and a silicon release agent layer 22 coated on the surface of the PET base layer 21; the optical adhesive layer 3 is made of light-cured pressure-sensitive adhesive or heat-cured pressure-sensitive adhesive; the silica gel coating 5 is made of silica gel pressure sensitive adhesive, and the release film layer 6 is a PET base film; the base film layer 1 is one of PET, PC or PMMA film.
The embodiment of the invention also provides a preparation method of the blue-light-proof ultraviolet-resistant protective film, which is realized by the following steps:
s1, selecting a base film layer 1 with the thickness of 80-120 mu m for later use;
s2, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating 4 to obtain a first mixed base material;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2 for 43-48 min (preferably 45min), coating the organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating 5 to obtain a second mixed base material;
s4, attaching a release film layer 6 to one side, far away from the blue-light-proof ultraviolet-resistant coating 4, of the silica gel coating 5 to obtain a third mixed base material;
s5, performing vacuum defoaming treatment on the third mixed base material obtained in the step S4 for 43-48 min (preferably 45min), coating a light-cured pressure-sensitive adhesive on one side, far away from the base film layer 1, of the blue-light-proof and ultraviolet-resistant coating 4 in a roller coating mode, and performing low-pressure UV curing to form an optical adhesive layer 3 to obtain a fourth mixed base material;
and S6, attaching a silicon release film layer 2 to one side of the optical adhesive layer 3, which is far away from the blue-light-proof ultraviolet-resistant coating 4, to obtain the blue-light-proof ultraviolet-resistant protective film.
The base film layer 1 in the S1 is one of PET, PC or PMMA film;
the specific method of S2 is as follows: and (3) pumping the blue-light-proof anti-ultraviolet paint into a rubber groove of a micro-mesh roller by using a gear pump, selecting 70 lines as the number of the lines of the micro-mesh roller, and coating the blue-light-proof anti-ultraviolet paint on the base film layer 1.
In addition, the blue-light-proof ultraviolet-resistant coating in the S2 comprises the following components in percentage by mass:
0.5 to 10 percent (preferably 1 to 5 percent) of ultraviolet shielding agent, 0.5 to 20 percent (preferably 1 to 5 percent) of heat curing agent, 20 to 80 percent (preferably 20 to 50 percent) of heat curing resin, 0.05 to 10 percent (preferably 0.1 to 2 percent) of blue light absorbent, 0.01 to 0.8 percent (preferably 0.05 to 0.5 percent) of blue nano color paste, 0.01 to 0.8 percent (preferably 0.05 to 0.5 percent) of yellow nano color paste, 0.01 to 0.8 percent (preferably 0.05 to 0.5 percent) of red nano color paste, 0.01 to 0.8 percent (preferably 0.05 to 0.5 percent) of black nano color paste, 0.1 to 15 percent of other additives and 1 to 50 percent of solvent.
The ultraviolet screening agent is at least one of phenyl salicylate, ultraviolet absorbent UV-0, ultraviolet absorbent UV-P, ultraviolet absorbent UV-9, ultraviolet absorbent UV-321, ultraviolet absorbent UV-531 and ultraviolet absorbent RMB; the thermal curing agent is at least one of methyl ethyl ketone peroxide, benzoyl peroxide, No. 704 curing agent and No. 705 curing agent; the thermosetting resin is at least one of acrylic epoxy resin, polyurethane acrylate resin, modified acrylic epoxy resin, modified epoxy resin and modified polyurethane acrylate resin; the blue light absorber comprises yellow color concentrate, yellow fluorescent powder, nano zinc oxide, nano cerium oxide and SiO2Nano microcrystal composed of CdS and PbS; the blue nanometer color paste, the yellow nanometer color paste, the red nanometer color paste and the black nanometer color paste are all inorganic nanometer dyes; the other additives comprise a leveling agent, a stabilizer, a dispersing agent and an anti-reflection agent; according to the mass percentage, the advection agent is 0.1-5%, the stabilizer is 0.1-5%, the dispersant is 0.1-5%, and the anti-reflection agent is 0.1-5%; the solvent can be at least one of xylene, ethyl acetate, diethyl ether and dichloroethane.
In the step S3, the silicone pressure-sensitive adhesive includes silicone resin, MQ resin regulator, crosslinking agent, antioxidant, leveling agent, inhibitor, and catalyst; the silicone resin comprises the following components in percentage by mass:
polydimethylsiloxane, accounting for 30-60% (preferably 30%) of the total mass; MQ silicone resin accounting for 20-70% (preferably 30%) of the total mass; a tackifier accounting for 1-5% (preferably 2%) of the total mass; a crosslinking agent accounting for 0.1-0.5% (preferably 0.2%) of the total mass; the platinum catalyst accounts for 0.5-1.5% (preferably 1.5%) of the total mass; an inhibitor accounting for 0.1-0.5% (preferably 0.1%) of the total mass; a leveling agent accounting for 0.5-1.5% (preferably 0.5%) of the total mass; toluene accounts for 12-18% (preferably 15.7%) of the total mass, and ethyl acetate accounts for 18-22% (preferably 20%) of the total mass.
In S5 above, the photocurable pressure-sensitive adhesive comprises polyacrylate, hydroxyl group-containing monomer, crosslinking agent, photoinitiator, tackifier, etc.; wherein the acrylic ester (which is a mixture of isooctyl acrylate and butyl acrylate, wherein isooctyl acrylate accounts for 40% of the total mass, and butyl acrylate accounts for 40% of the total mass) accounts for 70-90% (preferably 40%) of the total mass; the hydroxyl-containing monomer is acrylic acid and accounts for 5-10% (preferably 5%) of the total mass; the cross-linking agent is an epoxy cross-linking agent containing an aniline structure, and accounts for 1-3% (preferably 2%) of the total mass; the photoinitiator is trimethyl benzoyl accounting for 1-2% (preferably 2%) of the total mass; and a thickener accounting for 1-5% (preferably 3%) of the total mass.
By adopting the preparation method of the protective film, the protective film has the functions of low cost, high transmittance and good blue light and ultraviolet resistance effects, and the appearance color is light green, light blue or light gray blue, so that the color saturation of the display screen is not influenced, the screen light is soft, and the eye fatigue is prevented.
The following are specific examples:
example 1
The light green blue-light-proof ultraviolet-resistant protective film provided by the embodiment 1 of the invention is prepared by the following method:
s1, selecting a base film layer 1 with the thickness of 100 mu m for later use;
s2, pumping the blue-light-proof and ultraviolet-resistant coating into a rubber groove of a micro-mesh roller by using a gear pump, selecting 70 lines for the number of lines of the micro-mesh roller, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating 4 with the thickness of 6 microns to obtain a first mixed base material;
the blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
3 percent of ultraviolet screening agent, 50 percent of thermosetting resin, 3 percent of thermal curing agent, 0.5 percent of flatting agent, 0.8 percent of yellow color concentrate, 0.2 percent of CdS, 0.5 percent of blue nano color paste, 0.24 percent of yellow nano color paste, 20 percent of toluene and 21.76 percent of butanone;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2 for 45min, coating organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating 5 with the thickness of 28 microns to obtain a second mixed base material;
the organic silica gel pressure-sensitive adhesive comprises the following components in percentage by mass:
30% of polydimethylsiloxane, 30% of MQ silicon resin, 2% of tackifier, 0.2% of cross-linking agent, 1.5% of platinum catalyst, 0.1% of inhibitor, 0.5% of flatting agent, 15.7% of toluene and 20% of ethyl acetate;
s4, attaching a release film layer 6 with the thickness of 50 microns to one side, far away from the blue-light-proof ultraviolet-resistant coating 4, of the silica gel coating 5 to obtain a third mixed base material;
s5, conducting vacuum defoaming treatment on the third mixed base material obtained in the step S4 for 45min, coating a photo-curing pressure-sensitive adhesive on one side, far away from the base film layer 1, of the blue-light-proof and ultraviolet-resistant coating 4 in a roller coating mode, and conducting low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 142 microns, so as to obtain a fourth mixed base material;
the light-cured pressure-sensitive adhesive comprises the following components in percentage by mass:
40% of isooctyl acrylate, 40% of butyl acrylate, 5% of acrylic acid, 2% of epoxy cross-linking agent, 2% of trimethyl benzoyl and 3% of tackifier;
and S6, attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3, which is far away from the blue-light-proof ultraviolet-resistant coating 4, so as to obtain the light-green blue-light-proof ultraviolet-resistant protective film with the thickness of 270 microns.
Example 2
The light blue anti-ultraviolet protective film provided by the embodiment 2 of the invention is prepared by the following method:
s1, selecting a base film layer 1 with the thickness of 100 mu m for later use;
s2, pumping the blue-light-proof and ultraviolet-resistant coating into a rubber groove of a micro-screen roller by using a gear pump, selecting 70 lines for the number of lines of the micro-screen roller, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating 4 with the thickness of 6 microns to obtain a first mixed base material;
the blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
3 percent of ultraviolet screening agent, 50 percent of thermosetting resin, 3 percent of thermal curing agent, 0.5 percent of flatting agent, 0.8 percent of yellow color concentrate, 0.2 percent of CdS, 0.5 percent of blue nano color paste, 0.05 percent of red nano color paste, 0.1 percent of orange nano color paste, 20 percent of toluene and 21.85 percent of butanone;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2 for 45min, coating organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating 5 with the thickness of 28 microns to obtain a second mixed base material;
the organic silica gel pressure-sensitive adhesive comprises the following components in percentage by mass:
30% of polydimethylsiloxane, 30% of MQ silicon resin, 2% of tackifier, 0.2% of cross-linking agent, 1.5% of platinum catalyst, 0.1% of inhibitor, 0.5% of flatting agent, 15.7% of toluene and 20% of ethyl acetate;
s4, attaching a release film layer 6 with the thickness of 50 microns to one side, far away from the blue-light-proof ultraviolet-resistant coating 4, of the silica gel coating 5 to obtain a third mixed base material;
s5, conducting vacuum defoaming treatment on the third mixed base material obtained in the step S4 for 45min, coating a photo-curing pressure-sensitive adhesive on one side, far away from the base film layer 1, of the blue-light-proof and ultraviolet-resistant coating 4 in a roller coating mode, and conducting low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 142 microns, so as to obtain a fourth mixed base material;
the light-cured pressure-sensitive adhesive comprises the following components in percentage by mass:
40% of isooctyl acrylate, 40% of butyl acrylate, 5% of hydroxyl-containing monomer, 2% of epoxy cross-linking agent, 2% of trimethyl benzoyl and 3% of tackifier;
and S6, attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3, which is far away from the blue-light-proof ultraviolet-resistant coating 4, so as to obtain a light blue-light-proof ultraviolet-resistant protective film with the thickness of 270 microns.
Example 3
The grayish light blue anti-blue ultraviolet-resistant protective film provided by the embodiment 3 of the invention is prepared by the following method:
s1, selecting a base film layer 1 with the thickness of 100 mu m for later use;
s2, pumping the blue-light-proof and ultraviolet-resistant coating into a rubber groove of a micro-mesh roller by using a gear pump, selecting 70 lines for the number of lines of the micro-mesh roller, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating 4 with the thickness of 6 microns to obtain a first mixed base material;
the blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
3 percent of ultraviolet screening agent, 50 percent of thermosetting resin, 3 percent of thermal curing agent, 0.5 percent of flatting agent, 1 percent of blue light absorbent, 0.5 percent of blue nano color paste, 0.05 percent of red nano color paste, 0.1 percent of orange nano color paste, 0.05 percent of black nano color paste, 20 percent of toluene and 21.8 percent of butanone;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2 for 45min, coating organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating 5 with the thickness of 28 microns to obtain a second mixed base material;
the organic silica gel pressure-sensitive adhesive comprises the following components in percentage by mass:
30% of polydimethylsiloxane, 30% of MQ silicon resin, 2% of tackifier, 0.2% of cross-linking agent, 1.5% of platinum catalyst, 0.1% of inhibitor, 0.5% of flatting agent, 15.7% of toluene and 20% of ethyl acetate;
s4, attaching a release film layer 6 with the thickness of 50 microns to one side, far away from the blue-light-proof ultraviolet-resistant coating 4, of the silica gel coating 5 to obtain a third mixed base material;
s5, carrying out vacuum defoaming treatment on the third mixed base material obtained in the step S4 for 45min, coating a light-cured pressure-sensitive adhesive on one side, away from the base film layer 1, of the blue-light-proof ultraviolet-resistant coating 4 in a roll coating mode, and carrying out low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 142 microns to obtain a fourth mixed base material;
the light-cured pressure-sensitive adhesive comprises the following components in percentage by mass:
40% of isooctyl acrylate, 40% of butyl acrylate, 5% of acrylic acid, 2% of epoxy cross-linking agent, 2% of trimethyl benzoyl and 3% of tackifier;
and S6, attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3, which is far away from the blue-light-proof ultraviolet-resistant coating 4, so as to obtain a grayish blue-light-proof ultraviolet-resistant protective film with the thickness of 270 microns.
Example 4
The light green blue-light-proof ultraviolet-resistant protective film provided by the embodiment 4 of the invention is prepared by the following method:
s1, selecting the base film layer 1 with the thickness of 36 μm for standby;
s2, pumping the blue-light-proof and ultraviolet-resistant coating into a rubber groove of a micro-mesh roller by using a gear pump, selecting 70 lines for the number of lines of the micro-mesh roller, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating 4 with the thickness of 6 microns to obtain a first mixed base material;
the blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
3 percent of ultraviolet screening agent, 50 percent of thermosetting resin, 3 percent of thermal curing agent, 0.5 percent of flatting agent, 0.8 percent of yellow color concentrate, 0.2 percent of CdS, 0.5 percent of blue nano color paste, 0.24 percent of yellow nano color paste, 20 percent of toluene and 21.76 percent of butanone;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2 for 45min, coating organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating 5 with the thickness of 28 microns to obtain a second mixed base material;
the organic silica gel pressure-sensitive adhesive comprises the following components in percentage by mass:
30% of polydimethylsiloxane, 30% of MQ silicon resin, 2% of tackifier, 0.2% of cross-linking agent, 1.5% of platinum catalyst, 0.1% of inhibitor, 0.5% of flatting agent, 15.7% of toluene and 20% of ethyl acetate;
s4, attaching a release film layer 6 with the thickness of 50 microns to one side, far away from the blue-light-proof ultraviolet-resistant coating 4, of the silica gel coating 5 to obtain a third mixed base material;
s5, conducting vacuum defoaming treatment on the third mixed base material obtained in the step S4 for 45min, coating a photo-curing pressure-sensitive adhesive on one side, far away from the base film layer 1, of the blue-light-proof and ultraviolet-resistant coating 4 in a roller coating mode, and conducting low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 30 microns, so as to obtain a fourth mixed base material;
the light-cured pressure-sensitive adhesive comprises the following components in percentage by mass:
40% of isooctyl acrylate, 40% of butyl acrylate, 5% of acrylic acid, 2% of epoxy cross-linking agent, 2% of trimethyl benzoyl and 3% of tackifier;
and S6, attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3, which is far away from the blue-light-proof ultraviolet-resistant coating 4, so as to obtain the light green blue-light-proof ultraviolet-resistant protective film with the thickness of 100 microns.
Example 5
The light green blue-light-proof ultraviolet-resistant protective film provided by the embodiment 5 of the invention is prepared by the following method:
s1, selecting a base film layer 1 with the thickness of 50 mu m for later use;
s2, pumping the blue-light-proof and ultraviolet-resistant coating into a rubber groove of a micro-mesh roller by using a gear pump, selecting 70 lines for the number of lines of the micro-mesh roller, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating 4 with the thickness of 6 microns to obtain a first mixed base material;
the blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
3 percent of ultraviolet screening agent, 50 percent of thermosetting resin, 3 percent of thermal curing agent, 0.5 percent of flatting agent, 0.8 percent of yellow color concentrate, 0.2 percent of CdS, 0.5 percent of blue nano color paste, 0.24 percent of yellow nano color paste, 20 percent of toluene and 21.76 percent of butanone;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the S2 for 45min, coating the organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating 5 with the thickness of 30 microns to obtain a second mixed base material;
the organic silica gel pressure-sensitive adhesive comprises the following components in percentage by mass:
30% of polydimethylsiloxane, 30% of MQ silicon resin, 2% of tackifier, 0.2% of cross-linking agent, 1.5% of platinum catalyst, 0.1% of inhibitor, 0.5% of flatting agent, 15.7% of toluene and 20% of ethyl acetate;
s4, attaching a release film layer 6 with the thickness of 50 microns to one side, far away from the blue-light-proof ultraviolet-resistant coating 4, of the silica gel coating 5 to obtain a third mixed base material;
s5, conducting vacuum defoaming treatment on the third mixed base material obtained in the step S4 for 45min, coating a light-cured pressure-sensitive adhesive on one side, far away from the base film layer 1, of the blue-light-proof and ultraviolet-resistant coating 4 in a roller coating mode, and conducting low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 44 microns, so that a fourth mixed base material is obtained;
the light-cured pressure-sensitive adhesive comprises the following components in percentage by mass:
40% of isooctyl acrylate, 40% of butyl acrylate, 5% of acrylic acid, 2% of epoxy cross-linking agent, 2% of trimethyl benzoyl and 3% of tackifier;
and S6, attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3, which is far away from the blue-light-proof ultraviolet-resistant coating 4, so as to obtain a light green blue-light-proof ultraviolet-resistant protective film with the thickness of 130 microns.
Comparative example 1
The blue-light-proof ultraviolet-resistant protective film provided by the comparative example 1 is prepared by the following method:
s1', adding a blue light absorber (selected components and content are the same as those in the embodiment 1) and an ultraviolet screening agent (selected components and content are the same as those in the embodiment 1) into a PET master batch, and carrying out melt extrusion and biaxial tension molding to prepare a first blue-light-proof ultraviolet-resistant base film layer 7 with the thickness of 100 micrometers;
s2 ', defoaming the first blue-light-proof ultraviolet-resistant base film layer 7 obtained in the step S1' for 45min in vacuum, coating organic silica gel pressure-sensitive adhesive (the components and the content of each component are the same as those in the embodiment 1) on one side surface of the first blue-light-proof ultraviolet-resistant base film layer 7 in a slit coating mode, drying and curing in a hot mode to form a silica gel coating 5 with the thickness of 28 microns, and then attaching a release film layer 6 with the thickness of 50 microns to obtain a first mixed film layer;
s3 ', performing vacuum defoaming treatment on the first mixed film layer obtained in the step S2' for 45min, coating a light-cured pressure-sensitive adhesive (the components and the content of each component are the same as those in the example 1) on the other surface of the first blue-light-proof and ultraviolet-resistant base film layer 7 in a roller coating mode, and performing low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 142 microns to obtain a second mixed film layer;
s4', attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3, which is far away from the blue light-proof ultraviolet-resistant base film layer, to obtain the blue light-proof ultraviolet-resistant protective film with the thickness of 270 microns.
Comparative example 2
The blue-light-proof ultraviolet-resistant protective film provided by the comparative example 2 is prepared by the following method:
s1', selecting a base film layer 1 with the thickness of 100 mu m for later use;
s2', pumping the liquid into a rubber groove of a micro-mesh roller by using a gear pump, selecting 70 lines for the number of lines of the micro-mesh roller, coating the existing disclosed blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer 1, and after hot drying and curing, forming a second blue-light-proof and ultraviolet-resistant base film layer 8 with the thickness of 6 microns to obtain a third mixed base material;
the existing disclosed blue-light-proof ultraviolet-resistant coating comprises the following components in percentage by mass:
3% of ultraviolet screening agent, 50% of thermosetting resin, 3% of thermal curing agent, 0.5% of flatting agent, 1% of blue light absorbent, 20% of toluene and 22.5% of butanone;
s3 ', performing vacuum defoaming treatment on the third mixed base material obtained in the step S2' for 45min, coating organic silica gel pressure-sensitive adhesive (the components and the content of each component are the same as those in the example 1) on the other side surface of the base film layer 1 in a slit mode, and performing hot drying and curing to form a silica gel coating 5 with the thickness of 28 microns to obtain a fourth mixed base material;
s4 ', performing vacuum defoaming treatment on the fourth mixed base material obtained in the step S3' for 45min, coating a light-cured pressure-sensitive adhesive (the components and the content of each component are the same as those in the example 1) on one side, far away from the base film layer 1, of the second blue-light-proof and ultraviolet-resistant base film layer 8 in a roller coating mode, and performing low-pressure UV curing to form an optical adhesive layer 3 with the thickness of 142 microns to obtain a fifth mixed base material;
s5', attaching a silicon release film layer 2 with the thickness of 50 microns to one side of the optical adhesive layer 3 far away from the second blue-light-proof ultraviolet-resistant base film layer 8 to obtain the blue-light-proof ultraviolet-resistant protective film with the thickness of 270 microns.
In order to verify the ultraviolet transmittance, the blue light blocking rate and other physical properties of the blue light-proof ultraviolet-resistant protective film obtained in the embodiment of the invention, the blue light-proof ultraviolet-resistant protective films obtained in the embodiments 1 to 5 and the comparative examples 1 to 2 were respectively die-cut into the shape of an Apple iPhone 12 mobile phone, and were laminated to prepare a toughened film, which was subjected to the following tests.
The NS12 high-precision optical transmittance tester is used for testing the ultraviolet transmittance and the blue light blocking rate of the blue-light-proof ultraviolet-resistant AB adhesive, and the WGT-S light transmittance haze tester is used for testing the light transmittance and the haze value of the toughened film.
In the color saturation test, three primary colors of red, green and blue are available on a display screen of the mobile phone, the prepared toughened film is respectively pasted on the display screen of the mobile phone to independently display red, green and blue colors, the more vivid and transparent the picture displayed by a display of the mobile phone, the better the performance is, and vice versa, and the specific detection result is shown in the following table 1:
table 1 results of measuring physical properties of blue light-blocking uv-blocking protective films obtained in examples 1 to 5 and comparative examples 1 to 2
As can be seen from the data in table 1, the blue-light-proof and ultraviolet-resistant protective films obtained in examples 1 to 5 of the present invention have a smaller influence on the three primary colors of the display screen of the mobile phone, while the blue-light-proof and ultraviolet-resistant protective films obtained in comparative examples 1 to 2 have a larger influence on the green and blue colors of the three primary colors of the display screen of the mobile phone; therefore, the comparison shows that the blue light blocking rate and the light transmittance of the blue light-proof ultraviolet-resistant protective film are obviously improved, so that the influence on the color saturation of a display screen of a mobile phone is small, and the blue light-proof ultraviolet-resistant protective film is obviously superior to that of a comparative example.
In conclusion, the blue-light-proof and ultraviolet-resistant light-green coating, the light-blue coating and the light-grey-blue coating are formed by adopting the blue-light-proof and ultraviolet-resistant coating, and the screen protective film of the electronic product is prepared by matching the coating with other film layers, so that when the protective film is used, blue light from a display screen can be filtered, the blue-light-proof rate and the ultraviolet-resistant effect are improved, and the influence of the color of a blue-light-proof absorbent on the color saturation of the screen can be effectively avoided; in addition, the protective film disclosed by the invention not only has multiple colors of light green, light blue and light gray blue, but also has double functions of blue light prevention and ultraviolet resistance, and is combined into a whole, so that the performance and the quality of the protective film are effectively improved.
In addition, the protective film prepared by the preparation method has the advantages of low cost, high transmittance and good effects of blue light prevention and ultraviolet resistance, and the appearance color is light green, light blue and light grey blue, so that the color saturation of the display screen is not influenced, the screen light is soft, the eye fatigue is prevented, and the problems that the color saturation of the display screen and the visual aesthetic feeling of a user are seriously influenced due to the yellow appearance of a blue light absorbent added in the existing blue light prevention protective film technology are effectively solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (18)
1. The blue-light-proof ultraviolet-resistant coating is characterized by comprising the following components in percentage by mass:
0.5-10% of ultraviolet screening agent, 0.5-20% of thermal curing agent, 20-80% of thermosetting resin, 0.05-10% of blue light absorbent, 0.01-0.8% of blue nano color paste, 0.01-0.8% of yellow nano color paste, 0.01-0.8% of red nano color paste, 0.01-0.8% of black nano color paste, 0.1-15% of other additives and 1-50% of solvent.
2. The blue-light-proof ultraviolet-resistant coating as claimed in claim 1, which is characterized by comprising the following components in percentage by mass: 1-5% of ultraviolet screening agent, 1-5% of thermal curing agent, 20-50% of thermosetting resin, 0.1-2% of blue light absorbent, 0.05-0.5% of blue nano color paste, 0.05-0.5% of yellow nano color paste, 0.05-0.5% of red nano color paste, 0.05-0.5% of black nano color paste, 0.1-15% of other additives and 1-50% of solvent.
3. The blue-light-proof ultraviolet-resistant coating as claimed in claim 2, wherein the ultraviolet screening agent is at least one of phenyl salicylate, ultraviolet absorbent UV-0, ultraviolet absorbent UV-P, ultraviolet absorbent UV-9, ultraviolet absorbent UV-321, ultraviolet absorbent UV-531 and ultraviolet absorbent RMB.
4. The blue-light-proof ultraviolet-resistant paint as claimed in claim 3, wherein the thermal curing agent is at least one of methyl ethyl ketone peroxide, benzoyl peroxide, curing agent No. 704 and curing agent No. 705.
5. The blue-light-proof ultraviolet-resistant coating as claimed in claim 4, wherein the thermosetting resin is at least one of acrylic epoxy resin, urethane acrylate resin, modified acrylic epoxy resin, modified epoxy resin and modified urethane acrylate resin.
6. The blue-light-proof ultraviolet-resistant coating as claimed in claim 5, wherein the blue-light absorber comprises yellow pigment, yellow phosphor, nano zinc oxide, nano cerium oxide and SiO2Nano microcrystal composed of CdS and PbS.
7. The blue-light-proof ultraviolet-resistant coating as claimed in claim 6, wherein the blue nanometer color paste, the yellow nanometer color paste, the red nanometer color paste and the black nanometer color paste are all inorganic nanometer dyes.
8. The blue-light-proof and ultraviolet-resistant coating as claimed in claim 7, wherein the other additives are at least one of leveling agents, stabilizers, dispersants and anti-reflection agents.
9. The blue-light-proof ultraviolet-resistant coating as claimed in claim 8, wherein the mass percentages of the advection agent, the stabilizer, the dispersant and the anti-reflection agent are 0.1-5%.
10. The blue-light-proof and ultraviolet-resistant paint as claimed in any one of claims 1 to 9, wherein the solvent is at least one selected from xylene, ethyl acetate, diethyl ether and dichloroethane.
11. A blue-light-proof and ultraviolet-resistant coating for a blue-light-proof and ultraviolet-resistant protective film, wherein the blue-light-proof and ultraviolet-resistant coating is prepared from the blue-light-proof and ultraviolet-resistant paint as claimed in any one of claims 1 to 10.
12. The blue-light-proof ultraviolet-resistant protective film is characterized by comprising a base film layer (1), a silicon release film layer (2), an optical adhesive layer (3), the blue-light-proof ultraviolet-resistant coating (4) of claim 11, a silicon coating (5) and a release film layer (6); silicon is from type rete (2), optical cement layer (3), prevent that blue light ultraviolet resistance coating (4) from stacking in proper order outward and set up on a side of basic film layer (1), silica gel coating (5) and set up on the another side of basic film layer (1) from type rete (6), just silica gel coating (5) are located basic film layer (1) and are from between type rete (6).
13. The protective film according to claim 12, wherein the thickness of the base film layer (1) is 36-150 μm, the thickness of the blue light-proof and ultraviolet-proof coating layer (4) is 1-10 μm, the thickness of the optical adhesive layer (3) is 25-200 μm, and the thickness of the silica gel coating layer (5) is 20-50 μm; the thickness of the silicon release film layer (2) is 30-70 mu m; the thickness of the release film layer (6) is 30-70 mu m; the thickness of the blue-light-proof ultraviolet-resistant protective film is 100-290 mu m.
14. The protective film for protecting blue light and ultraviolet ray resistance according to claim 13, wherein the silicon release film layer (2) comprises a PET base layer (21) and a silicon release agent layer (22) coated on the surface of the PET base layer (21).
15. The protective film according to claim 14, wherein the optical adhesive layer (3) is made of a photo-curable pressure-sensitive adhesive or a thermal-curable pressure-sensitive adhesive; the silica gel coating (5) is made of silica gel pressure sensitive adhesive, and the release film layer (6) is a PET base film.
16. The protective film according to any one of claims 12-15, wherein the base film layer (1) is one of a PET, PC or PMMA film.
17. A method for preparing a blue light-shielding uv-blocking protective film according to any one of claims 12-16, comprising the steps of:
s1, selecting a base film layer with the thickness of 80-120 mu m for later use;
s2, coating the blue-light-proof and ultraviolet-resistant coating on one side surface of the base film layer, and carrying out heat drying and curing to form a blue-light-proof and ultraviolet-resistant coating to obtain a first mixed base material;
s3, performing vacuum defoaming treatment on the first mixed base material obtained in the step S2, coating organic silica gel pressure-sensitive adhesive on the other side surface of the base film in a slit mode, and performing heat drying and curing to form a silica gel coating to obtain a second mixed base material;
s4, attaching a release film layer to one side of the silica gel coating layer, which is far away from the blue-light-proof ultraviolet-resistant coating layer, so as to obtain a third mixed base material;
s5, performing vacuum defoaming treatment on the third mixed base material obtained in the step S4, coating a photocuring pressure-sensitive adhesive on one side, far away from the base film layer, of the blue-light-proof and ultraviolet-resistant coating in a roller coating mode, and performing low-pressure UV curing to form an optical adhesive layer to obtain a fourth mixed base material;
and S6, attaching a silicon release film layer to one side of the optical adhesive layer, which is far away from the blue-light-proof ultraviolet-resistant coating, so as to obtain the blue-light-proof ultraviolet-resistant protective film.
18. The method for preparing a blue-light preventing ultraviolet-resistant protective film according to claim 17, wherein the time of vacuum defoaming in S3 is 42-48 min; and the time of vacuum defoaming in the step S5 is 42-48 min.
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| CN202011368360.9A CN114574076A (en) | 2020-11-30 | 2020-11-30 | Blue-light-proof ultraviolet-resistant paint, coating, protective film applying blue-light-resistant ultraviolet-resistant paint and preparation method of protective film |
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