CN108822631B - Functional layer coating of projection screen, projection screen and manufacturing method thereof - Google Patents
Functional layer coating of projection screen, projection screen and manufacturing method thereof Download PDFInfo
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- CN108822631B CN108822631B CN201810596875.0A CN201810596875A CN108822631B CN 108822631 B CN108822631 B CN 108822631B CN 201810596875 A CN201810596875 A CN 201810596875A CN 108822631 B CN108822631 B CN 108822631B
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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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
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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
- C08K2003/0806—Silver
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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
- C08K2003/0831—Gold
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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
- C08K2003/085—Copper
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The application discloses projection screen functional layer coating includes according to parts by weight: 50-55 parts of water-based styrene-acrylic emulsion, 12-20 parts of precious metal nanoparticles, 10-18 parts of ceramic powder, 3-6 parts of plasticizer and 2-5 parts of stiffening agent. The projection screen comprises a basal layer, a glass fiber layer, a protective layer and a functional layer, wherein the glass fiber layer, the protective layer and the functional layer are sequentially arranged on one side of the basal layer. The projection screen has high optical efficiency, high screen brightness, brightness gain of 1.04 and wide visual angle range. In addition, the projection screen is provided with a protective layer for blocking water vapor, so that the projection screen can be prevented from being damaged by moisture.
Description
Technical Field
The application belongs to the field of projection, and particularly relates to a functional layer coating of a projection screen, the projection screen and a manufacturing method thereof.
Background
Projection screens are one of the most common products in projector peripheral devices, and in the case of watching films in home theaters or presenting manuscript data in meetings and large-scale activities, a projector is often used to project an image onto a projection screen, so that the image to be presented is completely and clearly presented on a white projection screen. The existing projection screen has the problems of unclear projected content, uneven brightness of the projected content, low brightness gain and the like, and can not meet the desire of visual quality effect of audiences.
After light projected by the projector passes through the projection screen, the uniformity of screen brightness sensed by an observer is poor due to the influence of a diffusion angle, and a picture is easily influenced by ambient light and has a common picture effect. Meanwhile, the contrast ratio is very important for the uniformity and resolution of the picture, and mainly refers to the ratio of high level to low level, which is commonly referred to as the ratio of bright area to dark area of the picture. A high contrast screen is essential for the hierarchical display of pictures. The existing projection screen still has the problems of low brightness, low contrast, low resolution, narrow viewing angle and the like.
Disclosure of Invention
The invention aims to provide a projection screen and a manufacturing method thereof, which overcome the defects of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the embodiment of the application discloses functional layer coating of projection screen, which comprises the following components in parts by weight: 50-55 parts of water-based styrene-acrylic emulsion, 12-20 parts of precious metal nanoparticles, 10-18 parts of ceramic powder, 3-6 parts of plasticizer and 2-5 parts of stiffening agent.
Preferably, the noble metal nanoparticles are one or more of gold, silver, platinum and copper.
Preferably, the particle size of the noble metal nanoparticles is 5-80 nm.
The embodiment of the application also discloses a projection screen, including the stratum basale, and set gradually in the glass fiber layer, protective layer and the functional layer of stratum basale one side, the functional layer material includes according to parts by weight:
preferably, the protective layer includes a composite layer composed of one or more of aluminum oxide, silicon nitride, silicon oxide, and silicon carbide.
Preferably, the material of the substrate layer comprises PET and/or PVC.
The embodiment of the application also discloses a projection screen, including the stratum basale, and set gradually in glass fiber layer, protective layer and the functional layer of stratum basale one side, the protective layer is the composite bed that silicon nitride and carborundum constitute, the functional layer material includes according to parts by weight: 55 parts of water-based styrene-acrylic emulsion, 18 parts of precious metal nanoparticles, 15 parts of ceramic powder, 5 parts of plasticizer, 4 parts of stiffening agent and 2 parts of flame retardant.
The embodiment of the application also discloses a manufacturing method of the projection screen, which comprises the following steps:
(1) providing a base layer;
(2) coating a glass fiber layer on one side of the substrate layer, and depositing a protective layer on one side of the glass fiber layer;
(3) adding noble metal nanoparticles and ceramic powder into a water-based styrene-acrylic emulsion, heating to 75-85 ℃, carrying out ultrasonic oscillation for 15-30 min, setting the temperature to 50-60 ℃, sequentially adding a plasticizer, a stiffening agent and a flame retardant, putting the mixture into a dispersion machine, stirring at the speed of 500 rpm for 10-20 min to obtain a functional layer coating, and coating the functional layer coating on one side surface of the protective layer.
Compared with the prior art, the invention has the advantages that:
(1) the functional layer material of the projection screen comprises the noble metal nano particles and the ceramic powder, the noble metal nano particles can play a role in scattering, the optical efficiency, the screen brightness and the visual angle range of projection are improved, the ceramic powder can enable the projection screen to have metal texture, and the contrast of the screen brightness and the screen is improved. The projection screen of the present invention has a gain of 1.04.
(2) The projection screen is provided with the protective layer, can play the effect of separation steam, prevents that the projection screen from weing the damage.
(3) The projection screen is simple in manufacturing method and suitable for industrial production.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a projection screen according to an embodiment of the present invention.
Detailed Description
In an embodiment of the present application, a functional layer coating of a projection screen is provided, which includes, by weight: 50-55 parts of water-based styrene-acrylic emulsion, 12-20 parts of precious metal nanoparticles, 10-18 parts of ceramic powder, 3-6 parts of plasticizer and 2-5 parts of stiffening agent.
Wherein, the noble metal nano particles are one or more of gold, silver, platinum and copper.
The particle size of the noble metal nanoparticles is 5-80 nm.
The functional layer coating is applied to a projection screen, as shown in fig. 1, which is a schematic structural diagram of the projection screen, and the projection screen includes:
the base layer 1 to and set gradually in 2, protective layer 3 and the functional layer 4 of glass fiber layer, the functional layer material includes according to the part by weight of the glass fiber layer on one side of base layer 1:
the protective layer comprises a composite layer consisting of one or more than two of aluminum oxide, silicon nitride, silicon oxide and silicon carbide.
Preferably, the silicon nitride/silicon carbide composite layer plays a role in blocking water vapor, and is easy to manufacture and thin in thickness.
The base layer may be made of PET or PVC, or a combination thereof.
Preferably, the projection screen of the present invention comprises a substrate layer, and a glass fiber layer, a protective layer and a functional layer sequentially disposed on one side of the substrate layer, wherein the protective layer is a composite layer composed of silicon nitride and silicon carbide, and the functional layer comprises, by weight: 55 parts of water-based styrene-acrylic emulsion, 18 parts of precious metal nanoparticles, 15 parts of ceramic powder, 5 parts of plasticizer, 4 parts of stiffening agent and 2 parts of flame retardant. The projection screen may have a brightness gain of 1.04.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the drawings are exemplary only, and the invention is not limited to these embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Example 1
The manufacturing method of the projection screen comprises the following steps:
(1) providing a substrate layer, wherein the substrate layer is made of PET (polyethylene terephthalate), and the thickness of the substrate layer is 1 mm;
(2) coating a 0.3mm glass fiber layer on one side of the substrate layer, and depositing a protective layer on one side of the glass fiber layer, wherein the protective layer is a composite layer consisting of silicon nitride and silicon carbide and has the thickness of 0.5 mm;
(3) adding 18 parts of noble metal nanoparticles and 15 parts of ceramic powder into 55 parts of waterborne styrene-acrylic emulsion, heating to 75 ℃, ultrasonically oscillating for 15-30 min, setting the temperature to 50 ℃, sequentially adding 5 parts of plasticizer, 4 parts of stiffening agent and 2 parts of flame retardant, putting into a dispersion machine, stirring at the speed of 500 revolutions per minute for 10-20 min to obtain a functional layer coating, and coating the functional layer coating on one side surface of a protective layer to form a functional layer, wherein the thickness of the functional layer is 0.8 mm.
Example 2
The manufacturing method of the projection screen comprises the following steps:
(1) providing a substrate layer, wherein the substrate layer is made of PVC (polyvinyl chloride), and the thickness of the substrate layer is 1 mm;
(2) coating a 0.3mm glass fiber layer on one side of the substrate layer, and depositing a protective layer on one side of the glass fiber layer, wherein the protective layer is made of aluminum oxide and has the thickness of 0.3 mm;
(3) adding 12 parts of noble metal nanoparticles and 10 parts of ceramic powder into 50 parts of waterborne styrene-acrylic emulsion, heating to 85 ℃, ultrasonically oscillating for 15-30 min, setting the temperature to 60 ℃, sequentially adding 4 parts of plasticizer, 3 parts of stiffening agent and 4 parts of flame retardant, putting into a dispersion machine, stirring at the speed of 500 revolutions per minute for 10-20 min to obtain a functional layer coating, and coating the functional layer coating on one side surface of a protective layer to form a functional layer, wherein the thickness of the functional layer is 0.7 mm.
Example 3
The manufacturing method of the projection screen comprises the following steps:
(1) providing a substrate layer, wherein the substrate layer is made of PVC (polyvinyl chloride), and the thickness of the substrate layer is 1 mm;
(2) coating a 0.3mm glass fiber layer on one side of the substrate layer, and depositing a protective layer on one side of the glass fiber layer, wherein the protective layer is made of a combined layer of silicon oxide and silicon carbide and has the thickness of 0.6 mm;
(3) adding 20 parts of precious metal nanoparticles and 16 parts of ceramic powder into 53 parts of waterborne styrene-acrylic emulsion, heating to 85 ℃, ultrasonically oscillating for 15-30 min, setting the temperature to 55 ℃, sequentially adding 3 parts of plasticizer, 3 parts of stiffening agent and 5 parts of flame retardant, putting into a dispersion machine, stirring at the speed of 500 revolutions per minute for 10-20 min to obtain a functional layer coating, and coating the functional layer coating on one side surface of a protective layer to form a functional layer, wherein the thickness of the functional layer is 0.7 mm.
Comparative example 1
Projection screen: the PVC coating comprises a PVC base layer, wherein a coating layer is arranged on one side of the base layer, and the coating layer is prepared from polyvinyl chloride, a flame retardant, a plasticizer and a stiffening agent.
The projection screens of examples 1 to 3 and the projection screen of comparative example were subjected to optical property tests, and the test results are shown in table 1.
TABLE 1
| Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| Brightness gain | 1.04 | 1.03 | 1.03 | 1 |
| Horizontal angle of visibility | 150° | 145° | 150° | 120° |
From the test results in the table, it can be seen that the projection screens of embodiments 1 to 3 of the present invention have high brightness gain and wide viewing angle.
The functional layer coating for the projection screen has the advantages of precious metal nano particles and ceramic powder, high optical efficiency, high screen brightness, brightness gain of 1.04 and wide visual angle range. The projection screen has a protective layer for blocking water vapor, and can be prevented from being affected with damp and damaged.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (4)
1. The utility model provides a projection screen, its characterized in that includes the stratum basale, and set gradually in glass fiber layer, protective layer and the functional layer of stratum basale one side, the functional layer material includes according to part by weight:
50-55 parts of water-based styrene-acrylic emulsion
12-20 parts of noble metal nanoparticles
10-18 parts of ceramic powder
3-6 parts of plasticizer
2-5 parts of stiffening agent
2-5 parts of a flame retardant,
the noble metal nano particles are one or more of gold, silver, platinum and copper,
the protective layer is a composite layer consisting of one or more than two of aluminum oxide, silicon nitride, silicon oxide and silicon carbide.
2. The projection screen of claim 1 wherein the substrate layer is PET and/or PVC.
3. The utility model provides a projection screen, its characterized in that includes the stratum basale, and set gradually in glass fiber layer, protective layer and the functional layer of stratum basale one side, the protective layer is the composite bed that silicon nitride and carborundum constitute, the functional layer material includes according to parts by weight: 55 parts of water-based styrene-acrylic emulsion, 18 parts of precious metal nanoparticles, 15 parts of ceramic powder, 5 parts of plasticizer, 4 parts of stiffening agent and 2 parts of flame retardant, wherein the precious metal nanoparticles are one or more of gold, silver, platinum and copper.
4. A method of making a projection screen according to any of claims 1 to 3, comprising the steps of:
(1) providing a base layer;
(2) coating a glass fiber layer on one side of the substrate layer, and depositing a protective layer on one side of the glass fiber layer;
(3) adding noble metal nanoparticles and ceramic powder into a water-based styrene-acrylic emulsion, heating to 75-85 ℃, carrying out ultrasonic oscillation for 15-30 min, setting the temperature to 50-60 ℃, sequentially adding a plasticizer, a stiffening agent and a flame retardant, putting the mixture into a dispersion machine, stirring at the speed of 500 rpm for 10-20 min to obtain a functional layer coating, and coating the functional layer coating on one side surface of the protective layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810596875.0A CN108822631B (en) | 2018-06-11 | 2018-06-11 | Functional layer coating of projection screen, projection screen and manufacturing method thereof |
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| CN201810596875.0A CN108822631B (en) | 2018-06-11 | 2018-06-11 | Functional layer coating of projection screen, projection screen and manufacturing method thereof |
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| CN108822631A CN108822631A (en) | 2018-11-16 |
| CN108822631B true CN108822631B (en) | 2020-12-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109683441A (en) * | 2018-11-22 | 2019-04-26 | 无锡冬慧影视器材有限公司 | A kind of soft screen of metal and preparation method thereof |
| CN111534161A (en) * | 2020-05-25 | 2020-08-14 | 董武强 | Nano developer |
| CN115262220A (en) * | 2022-08-09 | 2022-11-01 | 深圳市白雪投影显示技术有限公司 | Projection incremental screen and manufacturing method thereof |
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| CN105623408A (en) * | 2014-11-29 | 2016-06-01 | 江阴东恒新材料科技有限公司 | Composite projection screen coating |
| CN105873760A (en) * | 2013-10-30 | 2016-08-17 | 法国圣戈班玻璃厂 | Element made from transparent layers |
| CN106189628A (en) * | 2016-08-24 | 2016-12-07 | 彭晓中 | The making of a kind of aqueous projection screen paint and technique for applying thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105873760A (en) * | 2013-10-30 | 2016-08-17 | 法国圣戈班玻璃厂 | Element made from transparent layers |
| CN203937240U (en) * | 2014-06-09 | 2014-11-12 | 东莞市纳利光学材料有限公司 | A kind of diffusion shock resistance antiglare film |
| CN105623408A (en) * | 2014-11-29 | 2016-06-01 | 江阴东恒新材料科技有限公司 | Composite projection screen coating |
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