CN113493635B - Coating for light-resistant screen and light-resistant screen - Google Patents
Coating for light-resistant screen and light-resistant screen Download PDFInfo
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- CN113493635B CN113493635B CN202010259423.0A CN202010259423A CN113493635B CN 113493635 B CN113493635 B CN 113493635B CN 202010259423 A CN202010259423 A CN 202010259423A CN 113493635 B CN113493635 B CN 113493635B
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D5/32—Radiation-absorbing paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
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- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
An embodiment of the invention provides a paint for a light-resistant screen and the light-resistant screen. According to the coating for the light-resistant screen, provided by the embodiment of the invention, graphene is used as a light absorption component, so that good light absorption performance is obtained, and the scattering loss of projection light is effectively reduced.
Description
Technical Field
The invention relates to a coating for a light-resistant screen, in particular to a coating for a light-resistant screen, which can clearly display a projection picture under ambient light.
Background
With the rapid development of display technology and the gradual upgrade of people to beautiful life, various projection devices attract a plurality of consumers by virtue of the advantages of large projection picture, greenness, no harm to eyes, energy conservation, more power conservation and the like, gradually move into thousands of households, and have the potential of replacing the traditional television. However, since the projection device emits light in a reflective manner, the projection device is easily interfered by ambient light such as a French window in a room or a projector on a ceiling, and thus the image quality is not clear enough.
The light-resistant screen effectively relieves the problem, generally presents a gray appearance, can absorb ambient light, avoids interference of the ambient light on projection reflection light, and enables a projection picture to be clear and bright, so that the light-resistant screen becomes an indispensable partner of projection equipment.
Currently, the light absorbing component of the coating used to make a light-resistant screen is typically carbon black particles. Although carbon black particles have a strong light absorption effect, the carbon black particles are granular and have large particle sizes, so that the carbon black particles easily scatter projection light, and influence the appearance.
Disclosure of Invention
The invention provides a coating for a light-resistant screen, which comprises a film-forming substance, graphene, an auxiliary agent and a diluent.
According to an embodiment of the present invention, there is provided a light-resistant screen including a coating layer, the coating layer being made of the above-described paint for a light-resistant screen.
According to the coating for the light-resistant screen, provided by the embodiment of the invention, graphene is used as a light absorption component, so that good light absorption performance is obtained, and the scattering loss of projection light is effectively reduced.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of modification in various embodiments without departing from the scope of the invention, and that the description is intended to be illustrative in nature and not to limit the invention.
The invention provides a coating for a light-resistant screen, which comprises a film-forming substance, graphene, an auxiliary agent and a diluent.
In one embodiment, the graphene in the coating for a light-resistant screen is graphene powder.
According to the coating for the light-resistant screen, provided by the embodiment of the invention, graphene is used as a light absorption component, so that the scattering effect on projection light is greatly reduced on the premise of ensuring a certain light absorption effect, the visual angle of the screen is effectively narrowed, a projection picture is clearer, and the color is more full.
In one embodiment, the graphene powder is used for absorbing stray light in the environment and reducing interference of the stray light on projected reflected light; the graphene powder may be any one or more of mechanically exfoliated graphene, redox graphene, epitaxially grown graphene, or vapor deposited graphene.
In one embodiment, the coating for a light-resistant screen includes an aluminum silver powder, an aluminum silver powder directing agent, and scattering particles.
In one embodiment, the aluminum silver powder is used for reflecting the projection light, and the type of the aluminum silver powder can be a floating type or a non-floating type; the particle diameter may be 1 to 50 μm, further 1 to 20 μm, further 2 to 10 μm, for example, 5 μm, 8 μm, 12 μm, 15 μm, 30 μm, 40 μm, etc.
In one embodiment, the aluminum silver powder aligning agent is used to promote alignment of the aluminum silver powder, and may be cellulose acetate.
In one embodiment, the scattering particles are used for scattering projection light to increase the visible range of the screen; the scattering particles may be one or more of nano titanium dioxide, nano silicon dioxide, extra fine calcium carbonate.
In one embodiment, the acrylic resin is the primary film-forming material of the coating, acting as a carrier; the type of the acrylic resin may be a thermoplastic acrylic ester or a thermosetting acrylic resin, and is preferably a thermoplastic acrylic resin, and more preferably a hydroxyl group-containing thermoplastic acrylic resin.
In one embodiment, the epoxy resin and the acrylic resin are used in combination as a film forming material for optimizing the mechanical properties of the coating film, such as strength, hardness, flexibility, plasticity and the like; the epoxy resin can be one or more of glycidyl ether epoxy resin, glycidyl ester epoxy resin and glycidyl amine epoxy resin.
In one embodiment, the auxiliary agent may be one or more of a thixotropic agent, a leveling agent, an antifoaming agent, a dispersing agent, an anti-aging agent, and an antistatic agent.
In one embodiment, the diluent is used for formulation dilution, which facilitates the processing, preparation and coating of the coating, and the diluent may be one or more of xylene, ethyl acetate, butyl acetate and acetone.
In one embodiment, the coating for the light-resistant screen comprises 30-40 parts by mass of acrylic resin, 20-25 parts by mass of epoxy resin, 10-20 parts by mass of aluminum silver powder, 0.1-5 parts by mass of aluminum silver powder directing agent, 0.1-5 parts by mass of scattering particles, 0.5-5 parts by mass of graphene powder, 0.1-3 parts by mass of auxiliary agent and 10-150 parts by mass of diluent; the aluminum silver powder is preferably 10 to 15 parts by mass, more preferably 12 to 15 parts by mass, for example, 12, 13, 14.5 parts by mass; the content of the scattering particles is preferably 1 to 5 parts by mass, more preferably 2 to 4 parts by mass, for example, 2, 3, or 4 parts by mass.
In one embodiment, the coating material for a light-resistant screen includes 30 parts by mass of an acrylic resin, 20 parts by mass of an epoxy resin, 15 parts by mass of an aluminum silver powder, 1 part by mass of an aluminum silver powder directing agent, 2 parts by mass of scattering particles, 3 parts by mass of a graphene powder, 1.6 parts by mass of an auxiliary agent, and 100 parts by mass of a diluent.
In one embodiment, the coating material for a light-resistant screen includes 35 parts by mass of an acrylic resin, 25 parts by mass of an epoxy resin, 10 parts by mass of an aluminum silver powder, 0.8 part by mass of an aluminum silver powder directing agent, 2 parts by mass of scattering particles, 3 parts by mass of a graphene powder, 1.6 parts by mass of an auxiliary agent, and 40 parts by mass of a diluent.
In one embodiment, the coating material for a light-resistant screen includes 40 parts by mass of an acrylic resin, 22 parts by mass of an epoxy resin, 20 parts by mass of an aluminum silver powder, 2 parts by mass of an aluminum silver powder directing agent, 2 parts by mass of scattering particles, 3 parts by mass of graphene powder, 1.6 parts by mass of an auxiliary agent, and 100 parts by mass of a diluent.
An embodiment of the present invention provides a method for preparing a coating for a light-resistant screen, including:
(1) mixing raw materials of acrylic resin, epoxy resin, aluminum silver powder, an aluminum silver powder directing agent, scattering particles, part of an auxiliary agent and a certain amount of a diluent according to a ratio, and mechanically stirring until the particles are uniformly dispersed;
(2) mixing graphene powder, a diluent and part of an auxiliary agent according to a proportion, and mechanically stirring until the graphene is completely dispersed;
(3) and (3) mixing the solutions obtained in the step (1) and the step (2), mechanically stirring the solutions until the solutions are uniform, preparing a coating, and storing the coating in a closed environment for later use.
Before use, according to a spraying process, diluting the coating obtained in the step (3) to a proper viscosity by using a diluent, and entering a spraying link.
According to one embodiment of the present invention, there is provided a light-resistant screen including a coating layer, the coating layer being made of the above-described light-resistant screen coating material.
The light-resistant screen of the embodiment of the invention can clearly display a projection picture under the ambient light.
The following will further illustrate a coating material for a light-resistant screen according to an embodiment of the present invention with reference to specific examples. Wherein, the raw materials are all obtained from the market.
Example 1
Weighing 30 parts by mass of thermoplastic acrylic resin, 20 parts by mass of glycidyl ether epoxy resin, 15 parts by mass of aluminum silver powder (10 mu m particle diameter), 1 part by mass of cellulose acetate, 2 parts by mass of nano titanium dioxide, 0.5 part by mass of flatting agent polyfluorocarbon (Effka 3600), 0.5 part by mass of defoaming agent organosilane (Effka 2720), 0.5 part by mass of dispersing agent acrylic block copolymer (Effka 4310) and 10 parts by mass of dimethylbenzene, mixing, and mechanically stirring until the particles are uniformly dispersed;
weighing 3 parts by mass of peeled graphene powder, 10 parts by mass of a dispersant BYK 1630.1 and xylene, uniformly dispersing, mixing with the solution, uniformly stirring, and storing in a closed environment for later use.
The coating is diluted by 80 parts by mass of dimethylbenzene, is coated on a PET (polyethylene terephthalate) substrate by adopting a spraying process, and is tested after a dry film is formed, compared with a screen without the graphene coating, the visual angle is narrowed by 10 degrees, the image quality is clear under normal ambient light, and the color is full.
Example 2
Weighing 35 parts by mass of thermoplastic acrylic resin, 25 parts by mass of glycidyl ester epoxy resin, 10 parts by mass of aluminum silver powder (10 mu m particle diameter), 0.8 part by mass of cellulose acetate, 2 parts by mass of nano silicon dioxide, 0.5 part by mass of flatting agent polyfluorocarbon (Effka 3600), 0.5 part by mass of defoaming agent organosilane (Effka 2720), 0.5 part by mass of dispersing agent acrylic block copolymer (Effka 4310) and 10 parts by mass of butyl acetate, and mechanically stirring after mixing until particles are uniformly dispersed;
weighing 3 parts by mass of redox graphene powder, 10 parts by mass of butyl acetate and BYK 1630.1 parts by mass of a dispersant, uniformly dispersing, mixing with the solution, uniformly stirring, and storing in a closed environment for later use.
The coating is diluted by 20 parts by mass of butyl acetate, the diluted coating is coated on a PET (polyethylene terephthalate) substrate by adopting a screen printing process, and after a dry film is tested, compared with a screen without the graphene coating, the visual angle is narrowed by 8 degrees, the image quality is clear under normal ambient light, and the color is full.
Example 3
Weighing 40 parts by mass of thermoplastic acrylic resin, 22 parts by mass of glycidyl amine epoxy resin, 20 parts by mass of aluminum silver powder (with the particle size of 10 mu m), 2 parts by mass of cellulose acetate, 2 parts by mass of extra-fine calcium carbonate, 0.5 part by mass of flatting agent polyfluorocarbon (Effka 3600), 0.5 part by mass of defoaming agent organosilane (Effka 2720), 0.5 part by mass of dispersing agent acrylic block copolymer (Effka 4310) and 15 parts by mass of acetone, mixing, and mechanically stirring until particles are uniformly dispersed;
weighing 3 parts by mass of redox graphene powder, 10 parts by mass of acetone and BYK 1630.1 parts by mass of a dispersing agent, uniformly dispersing, mixing with the solution, uniformly stirring, and storing in a closed environment for later use.
90 parts by mass of acetone is used for diluting the paint, the paint is coated on a PET (polyethylene terephthalate) substrate by adopting a spraying process, and after a dry film is tested, compared with a screen without the graphene paint, the visual angle is narrowed by 12 degrees, the picture quality is clear under normal ambient light, and the color is full.
Unless otherwise defined, all terms used herein have the meanings commonly understood by those skilled in the art.
The described embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of the present invention, and those skilled in the art may make various other substitutions, alterations, and modifications within the scope of the present invention, and thus, the present invention is not limited to the above-described embodiments but only by the claims.
Claims (7)
1. The coating for the light-resistant screen comprises 30-40 parts by mass of acrylic resin, 20-25 parts by mass of epoxy resin, 10-20 parts by mass of aluminum silver powder, 0.1-5 parts by mass of aluminum silver powder directing agent, 0.1-5 parts by mass of scattering particles, 0.5-5 parts by mass of graphene, 0.1-3 parts by mass of auxiliary agent and 10-150 parts by mass of diluent.
2. The coating for a light-resistant screen according to claim 1, wherein the graphene is a graphene powder.
3. The coating for a light resistant screen according to claim 1, wherein the graphene is selected from one or more of mechanically exfoliated graphene, redox graphene, epitaxially grown graphene, or vapor deposited graphene.
4. The coating for a light-resistant screen according to claim 1, wherein the scattering particles are selected from one or more of nano titanium dioxide, nano silicon dioxide, extra fine calcium carbonate.
5. The coating for a light-resistant screen according to claim 1, wherein the acrylic resin is a thermoplastic acrylic resin containing a hydroxyl group.
6. The coating for a photoscreen according to claim 1, wherein the auxiliary is selected from one or more of thixotropic agents, leveling agents, antifoaming agents, dispersing agents, aging inhibitors, antistatic agents; and/or the presence of a gas in the atmosphere,
the diluent is selected from one or more of dimethylbenzene, ethyl acetate, butyl acetate and acetone.
7. A light-resistant screen comprising a coating layer made from the coating material for a light-resistant screen according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259423.0A CN113493635B (en) | 2020-04-03 | 2020-04-03 | Coating for light-resistant screen and light-resistant screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259423.0A CN113493635B (en) | 2020-04-03 | 2020-04-03 | Coating for light-resistant screen and light-resistant screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113493635A CN113493635A (en) | 2021-10-12 |
| CN113493635B true CN113493635B (en) | 2022-08-02 |
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| CN202010259423.0A Active CN113493635B (en) | 2020-04-03 | 2020-04-03 | Coating for light-resistant screen and light-resistant screen |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08231904A (en) * | 1994-12-28 | 1996-09-10 | Kansai Paint Co Ltd | Coating for projection screen and projection screen using the same |
| CN1894599A (en) * | 2003-12-11 | 2007-01-10 | 3M创新有限公司 | Composition for microstructured screens |
| CN105647311A (en) * | 2016-01-14 | 2016-06-08 | 四川长虹电器股份有限公司 | Projection screen coating paint, preparation method and coating forming method |
| CN106280800A (en) * | 2016-08-22 | 2017-01-04 | 芜湖影星巨幕有限公司 | A kind of collapsible metal screen optical coating |
| CN106957542A (en) * | 2017-03-29 | 2017-07-18 | 合肥天沃能源科技有限公司 | A kind of projection wall covering and preparation method |
| CN110922885A (en) * | 2018-09-14 | 2020-03-27 | 深圳光峰科技股份有限公司 | Screen coating |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6736958B2 (en) * | 2016-04-26 | 2020-08-05 | Ａｇｃ株式会社 | Transmissive transparent screen, video display system and video display method |
| US10288991B2 (en) * | 2017-04-21 | 2019-05-14 | Disney Enterprises, Inc. | Colored paint with fluorescence |
-
2020
- 2020-04-03 CN CN202010259423.0A patent/CN113493635B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08231904A (en) * | 1994-12-28 | 1996-09-10 | Kansai Paint Co Ltd | Coating for projection screen and projection screen using the same |
| CN1894599A (en) * | 2003-12-11 | 2007-01-10 | 3M创新有限公司 | Composition for microstructured screens |
| CN105647311A (en) * | 2016-01-14 | 2016-06-08 | 四川长虹电器股份有限公司 | Projection screen coating paint, preparation method and coating forming method |
| CN106280800A (en) * | 2016-08-22 | 2017-01-04 | 芜湖影星巨幕有限公司 | A kind of collapsible metal screen optical coating |
| CN106957542A (en) * | 2017-03-29 | 2017-07-18 | 合肥天沃能源科技有限公司 | A kind of projection wall covering and preparation method |
| CN110922885A (en) * | 2018-09-14 | 2020-03-27 | 深圳光峰科技股份有限公司 | Screen coating |
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| CN113493635A (en) | 2021-10-12 |
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