WO2020233468A1 - Transparent projection coating and front projection screen - Google Patents

Transparent projection coating and front projection screen Download PDF

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Publication number
WO2020233468A1
WO2020233468A1 PCT/CN2020/090014 CN2020090014W WO2020233468A1 WO 2020233468 A1 WO2020233468 A1 WO 2020233468A1 CN 2020090014 W CN2020090014 W CN 2020090014W WO 2020233468 A1 WO2020233468 A1 WO 2020233468A1
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Prior art keywords
coating
substrate
transparent
transparent projection
projection
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PCT/CN2020/090014
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French (fr)
Chinese (zh)
Inventor
保佘·巴萨姆·穆罕默德
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亚科维亚(福建)科技有限公司
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Publication of WO2020233468A1 publication Critical patent/WO2020233468A1/en

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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
    • 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
    • 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
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/18—Spheres
    • C08L2205/20—Hollow spheres

Definitions

  • the invention relates to a transparent projection paint and a front projection screen.
  • the common projection screens on the market are opaque screens based on the principle of reflection and scattering, and transparent projection screens are relatively rare.
  • the purpose of the present invention is to provide a transparent projection paint and a front projection screen.
  • the coating of the present invention is coated on a transparent substrate, which can not only maintain the transparency of the transparent substrate, but also enable the screen to have a wide viewing angle to maintain brightness and color under strong light.
  • a transparent projection coating comprising polystyrene hollow nano microspheres and a coating substrate, the volume fraction of the polystyrene hollow nano microspheres in the mixture is 0.1-5%, and the particle size of the polystyrene hollow nano microspheres It is 1-800nm.
  • it in order to increase the scattering rate and make the paint brightness, color and angle more excellent, it also includes amorphous calcium aluminum silicate, and 0-5g of amorphous calcium aluminum silicate is added per 100 mL of the coating substrate.
  • black particles are 5-45mm black glass. Beads, black particles with a particle size of 5-45mm or black, non-reflective, transparent, flaky silica glass, add 0-11g of black particles according to 100mL of paint substrate, the silica glass The thickness is 200-300nm and the width is 40-50 ⁇ m.
  • the coating substrate of the present invention can be a water-based paint or an oil-based paint.
  • the present invention preferably uses a water-based paint. You can use commercially available water-based paints.
  • the water-based paint consists of the following volume parts: water-based acrylic emulsion 400-500mL, defoamer 1-2mL, wetting agent 1-2mL, Leveling agent 1-2mL, film forming aid 20-30mL and adhesive 0.5-1mL.
  • a method for preparing transparent projection coatings is to mix and stir polystyrene hollow nano-microspheres and coating substrates for 2-5 minutes.
  • a method for preparing transparent projection paint includes mixing and stirring polystyrene hollow nano microspheres, amorphous calcium aluminum silicate and paint substrate for 2-5 minutes.
  • a method for preparing transparent projection paint is to mix and stir polystyrene hollow nano microspheres, black particles, amorphous calcium aluminum silicate and paint substrate for 2-5 minutes.
  • a transparent projection screen comprising a transparent projection substrate and the transparent projection paint coated on the surface of the transparent projection substrate. After coating, it is dried at room temperature. 20-40 minutes, then heat at 55-65°C for 10-30 minutes. This will make the polystyrene hollow ball release liquid from the inside, so that the transparent projection screen can achieve the effect of conforming to the projection screen.
  • the transparent projection screen substrate is a flat or curved transparent substrate.
  • the transparent substrate can be glass, acrylic sheet or transparent plastic.
  • the present invention has the following beneficial effects:
  • the coating of the present invention is applied to a transparent substrate without reducing its transparency, and it can be used as a projection screen. And it can be sprayed and used, as long as the spray gun is evenly sprayed on the surface of the transparent substrate, it can be put into use immediately, with low cost and high efficiency, without high cost and careful maintenance.
  • When used as a projection screen it can be used as a front projection screen and a rear projection screen, and can be used with projectors with different focal lengths, such as normal focal length, long focal length or ultra short focal length.
  • polystyrene hollow nanospheres described in the following examples are produced by Dow Company in the United States.
  • 5-45mm black glass beads or black particles are produced by American Cospheric Company.
  • the amorphous calcium aluminum silicate described in the following examples is produced from Vetro Minerals Company, where the amorphous calcium aluminum silicate is mainly melted by the following components (the melting temperature can be 650-1200°C) and then It is prepared by rapidly dropping to room temperature: SiO 2 50-55 parts by mass, Al 2 O 3 15-20 parts by mass, CaO 20-25 parts by mass, B 2 O 3 0-6 parts by mass, and MgO 0-1 parts by mass.
  • Silica glass is produced by Glassflake Limited. It mainly contains black iron oxide and silicon dioxide, the glass formed by cooling after fusion. It is available for purchase.
  • the water-based acrylic emulsion is preferably jsdl-518 from Jiangsu New Materials Company.
  • the coating substrate of the present invention can also be a commercially available oil-based paint. When the oil-based paint is selected, in order to meet the hardness, adhesion and other properties of the coating, other additives are changed accordingly.
  • the defoamer is preferably Guangzhou Runhong Chemical Co., Ltd. NXZ.
  • the wetting agent is preferably PE100 from Guangzhou Runhong Chemical Co., Ltd.
  • the leveling agent is optimized for Guangzhou Runhong Chemical Co., Ltd. 2020.
  • the adhesive is preferably H-592 from Guangzhou Hengxiqi New Material Co., Ltd.
  • a transparent projection screen including 8 ml of polystyrene hollow nanospheres and a coating substrate.
  • the coating substrate is: water-based acrylic emulsion 400mL, defoamer 1mL, wetting agent 1mL, leveling agent 1mL, and film forming aid 20mL and 0.5mL of adhesive.
  • the transparent projection screen of this embodiment includes a projection substrate and the projection paint coated on the surface of the projection substrate. After coating, it is dried at room temperature for 20 minutes, and then heated at 55°C for 10 minutes.
  • the projection substrate is a flat glass substrate.
  • a transparent projection screen comprising 8 ml of polystyrene hollow nanospheres, 0.4 g of black particles, 10 g of amorphous calcium aluminum silicate, and a coating substrate.
  • the coating substrate is: water-based acrylic emulsion 400 mL, defoamer 1 mL, 1 mL of wetting agent, 1 mL of leveling agent, 20 mL of film forming aid and 0.5 mL of adhesive.
  • the transparent projection screen of this embodiment includes a projection substrate and the projection paint coated on the surface of the projection substrate. After coating, it is dried at room temperature for 30 minutes, and then heated at 65°C for 20 minutes.
  • the projection substrate is a soft and flexible transparent plastic film.
  • a transparent projection screen including 8ml of polystyrene hollow nanospheres, 0.13g of black particles and a coating substrate.
  • the coating substrate is: water-based acrylic emulsion 400mL, defoamer 1mL, wetting agent 1mL, and leveling agent 1mL , 20mL of film-forming aid and 0.5mL of adhesive.
  • the transparent projection screen of this embodiment includes a projection substrate and the projection paint coated on the surface of the projection substrate. After coating, it is dried at room temperature for 25 minutes, and then heated at 60°C for 30 minutes.
  • the projection substrate is a soft and flexible transparent plastic film.
  • the black particles of the present invention are silica glass, and black glass beads of 5-45 mm or black particles with a particle size of 5-45 mm can also be used.
  • the coating substrate of the present invention is a transparent oily coating purchased on the market.

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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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to a transparent projection coating, comprising polystyrene hollow nanospheres and a coating substrate, wherein the volume fraction of the polystyrene hollow nanospheres is 0.1-5%, and the particle diameter of the hollow polystyrene nanospheres is 1-800 nm. The coating of the present invention can be applied to a transparent substrate without reducing the transparency thereof, and can be used as a projection screen. In addition, same can be used by spraying at any time, that is, same can be put into use immediately as long as it is sprayed evenly on the surface of the transparent substrate with a spray gun, and same has a low cost, a high efficiency, and does not need costly and elaborate maintenance.

Description

一种透明投影涂料、正投影屏幕Transparent projection paint and front projection screen 技术领域Technical field
本发明涉及一种透明投影涂料、正投影屏幕。The invention relates to a transparent projection paint and a front projection screen.
背景技术Background technique
目前市场上常见的投影屏幕是基于反射及散射原理的不透明的屏幕，透明投影屏幕比较少见。The common projection screens on the market are opaque screens based on the principle of reflection and scattering, and transparent projection screens are relatively rare.
但是很多场合，如玻璃橱窗和地铁玻璃门上既需要其具有透明度，又需要其能作为投影屏幕使用。However, in many occasions, such as glass showcases and subway glass doors, it is required not only to have transparency, but also to be used as a projection screen.
发明内容Summary of the invention
本发明的目的在于提供一种透明投影涂料、正投影屏幕。本发明的涂料涂覆于透明基材上，既能保持透明基材的透明度，又能使屏幕具有宽的可视角度在强光下保持亮度和色彩。The purpose of the present invention is to provide a transparent projection paint and a front projection screen. The coating of the present invention is coated on a transparent substrate, which can not only maintain the transparency of the transparent substrate, but also enable the screen to have a wide viewing angle to maintain brightness and color under strong light.
方案一)Option One)
一种透明投影涂料，包括聚苯乙烯中空纳米微球和涂料底物，混合物中聚苯乙烯中空纳米微球的体积分数为0.1-5％，所述的聚苯乙烯中空纳米微球的粒径为1-800nm。A transparent projection coating comprising polystyrene hollow nano microspheres and a coating substrate, the volume fraction of the polystyrene hollow nano microspheres in the mixture is 0.1-5%, and the particle size of the polystyrene hollow nano microspheres It is 1-800nm.
进一步地，为了增加散射率使涂料亮度色彩和角度都更加优秀，还包括非晶态硅酸铝钙，按照每100mL的涂料底物添加0-5g的非晶态硅酸铝钙。Further, in order to increase the scattering rate and make the paint brightness, color and angle more excellent, it also includes amorphous calcium aluminum silicate, and 0-5g of amorphous calcium aluminum silicate is added per 100 mL of the coating substrate.
进一步地，为了使该涂料更黑一点，从而能适应强光甚至于强阳光下也能正常使用，不会影响其色彩和亮度，还包括黑色颗粒物，所述的黑色颗粒物为5-45mm黑色玻璃微珠、粒径为5-45mm的黑色颗粒或者黑色的、不反光的、透明的、片状二氧化硅玻璃，按照100mL的涂料底物添加0-11g黑色颗粒物，所述 的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm。Furthermore, in order to make the paint darker, so that it can adapt to strong light and even can be used normally under strong sunlight without affecting its color and brightness, it also includes black particles. The black particles are 5-45mm black glass. Beads, black particles with a particle size of 5-45mm or black, non-reflective, transparent, flaky silica glass, add 0-11g of black particles according to 100mL of paint substrate, the silica glass The thickness is 200-300nm and the width is 40-50μm.
本发明的涂料底物可以为水性漆或者油性漆，为了环保要求，本发明优选使用水性漆。可以使用市场上购买的水性漆。The coating substrate of the present invention can be a water-based paint or an oil-based paint. For environmental protection requirements, the present invention preferably uses a water-based paint. You can use commercially available water-based paints.
为了形成环保的与基材吸附更好且光滑的均匀的膜层，所述的水性漆由以下体积份组成：水性丙烯酸乳液400-500mL、消泡剂1-2mL、润湿剂1-2mL、流平剂1-2mL、成膜助剂20-30mL和粘合剂0.5-1mL。In order to form an environmentally friendly and smooth uniform film layer with better adsorption to the substrate, the water-based paint consists of the following volume parts: water-based acrylic emulsion 400-500mL, defoamer 1-2mL, wetting agent 1-2mL, Leveling agent 1-2mL, film forming aid 20-30mL and adhesive 0.5-1mL.
方案二)Option II)
一种透明投影涂料的制备方法，将聚苯乙烯中空纳米微球和涂料底物混合搅拌2-5分钟。A method for preparing transparent projection coatings is to mix and stir polystyrene hollow nano-microspheres and coating substrates for 2-5 minutes.
一种透明投影涂料的制备方法，将聚苯乙烯中空纳米微球、非晶态硅酸铝钙和涂料底物混合搅拌2-5分钟。A method for preparing transparent projection paint includes mixing and stirring polystyrene hollow nano microspheres, amorphous calcium aluminum silicate and paint substrate for 2-5 minutes.
一种透明投影涂料的制备方法，将聚苯乙烯中空纳米微球、黑色颗粒物、非晶态硅酸铝钙和涂料底物混合搅拌2-5分钟。A method for preparing transparent projection paint is to mix and stir polystyrene hollow nano microspheres, black particles, amorphous calcium aluminum silicate and paint substrate for 2-5 minutes.
方案三)一种透明投影屏幕，包括一种透明投影基材及涂覆于所述的一种透明投影基材表面的所述的一种透明投影涂料，在涂覆后，先在室温下干燥20-40分钟，然后在55-65℃下加热10-30分钟。这将使聚苯乙烯空心球从内部释放液体，这样使该透明投影屏幕达到符合投影屏幕的效果。Solution 3) A transparent projection screen, comprising a transparent projection substrate and the transparent projection paint coated on the surface of the transparent projection substrate. After coating, it is dried at room temperature. 20-40 minutes, then heat at 55-65°C for 10-30 minutes. This will make the polystyrene hollow ball release liquid from the inside, so that the transparent projection screen can achieve the effect of conforming to the projection screen.
所述的透明投影屏幕基材为平面或者曲面的透明基材。该透明基材可以是玻璃、亚克力板或者透明塑料。The transparent projection screen substrate is a flat or curved transparent substrate. The transparent substrate can be glass, acrylic sheet or transparent plastic.
较之前的现有技术，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
本发明的涂料涂覆于透明的基材上不会降低其透明度，而且其能作为投影屏幕使用。而且能随喷随用，只要用喷枪均匀地喷涂于透明基材表面，立马能 够投入使用，成本低、效率高，不需要高昂的成本和精心的维护。The coating of the present invention is applied to a transparent substrate without reducing its transparency, and it can be used as a projection screen. And it can be sprayed and used, as long as the spray gun is evenly sprayed on the surface of the transparent substrate, it can be put into use immediately, with low cost and high efficiency, without high cost and careful maintenance.
作为投影屏幕使用时，既可以作为正投影屏幕，又可以作为背投影屏幕，而且能使用与不同焦距的投影仪，比如正常焦距、长焦或者超短焦。When used as a projection screen, it can be used as a front projection screen and a rear projection screen, and can be used with projectors with different focal lengths, such as normal focal length, long focal length or ultra short focal length.
作为投影屏幕使用时，具有宽的可视角度，而且在强光下能保持亮度和色彩。When used as a projection screen, it has a wide viewing angle and can maintain brightness and color under strong light.
具体实施方式Detailed ways
下面结合具体实施方式对本发明进一步阐述：但是不只仅仅局限于以下实施例，凡是依据本发明原理的任何改进或替换，均应在本发明的保护范围之内。The present invention will be further elaborated below in conjunction with specific embodiments: but not only limited to the following embodiments, any improvement or replacement based on the principle of the present invention should fall within the protection scope of the present invention.
以下实施例所述的聚苯乙烯中空纳米微球是美国Dow公司生产的。The polystyrene hollow nanospheres described in the following examples are produced by Dow Company in the United States.
5-45mm黑色玻璃微珠或者黑色颗粒是美国Cospheric公司生产的。5-45mm black glass beads or black particles are produced by American Cospheric Company.
以下实施例所述的非晶态硅酸铝钙是从Vetro矿产公司生产的，其中所述的非晶态硅酸铝钙主要由以下组分熔融后(熔融温度可以为650-1200℃)然后迅速降至室温制备而成：SiO 2 50-55质量份，Al 2O 3 15-20质量份，CaO 20-25质量份，B 2O 3 0-6质量份,MgO 0-1质量份。 The amorphous calcium aluminum silicate described in the following examples is produced from Vetro Minerals Company, where the amorphous calcium aluminum silicate is mainly melted by the following components (the melting temperature can be 650-1200°C) and then It is prepared by rapidly dropping to room temperature: SiO 2 50-55 parts by mass, Al 2 O 3 15-20 parts by mass, CaO 20-25 parts by mass, B 2 O 3 0-6 parts by mass, and MgO 0-1 parts by mass.
二氧化硅玻璃是玻璃鳞片公司(Glassflake Limited)生产的。它主要包含黑色的氧化铁和二氧化硅，融合之后降温所形成的玻璃。是可以购买得到的。Silica glass is produced by Glassflake Limited. It mainly contains black iron oxide and silicon dioxide, the glass formed by cooling after fusion. It is available for purchase.
水性丙烯酸乳液优选江苏新材料公司jsdl-518。本发明的涂料底物也可以选择市售的油性漆，当选择油性漆时，为了能满足涂料的硬度、粘附力等性能，其它的助剂相应发生改变。The water-based acrylic emulsion is preferably jsdl-518 from Jiangsu New Materials Company. The coating substrate of the present invention can also be a commercially available oil-based paint. When the oil-based paint is selected, in order to meet the hardness, adhesion and other properties of the coating, other additives are changed accordingly.
消泡剂优选广州市润宏化工有限公司NXZ。The defoamer is preferably Guangzhou Runhong Chemical Co., Ltd. NXZ.
润湿剂优选广州市润宏化工有限公司PE100。The wetting agent is preferably PE100 from Guangzhou Runhong Chemical Co., Ltd.
流平剂优选广州市润宏化工有限公司2020。The leveling agent is optimized for Guangzhou Runhong Chemical Co., Ltd. 2020.
粘合剂优选广州恒希奇新材料有限公司H-592。The adhesive is preferably H-592 from Guangzhou Hengxiqi New Material Co., Ltd.
实施例1Example 1
一种透明投影屏幕，包括8毫升聚苯乙烯中空纳米微球和涂料底物，涂料底物为：水性丙烯酸乳液400mL、消泡剂1mL、润湿剂1mL、流平剂1mL、成膜助剂20mL和粘合剂0.5mL。A transparent projection screen, including 8 ml of polystyrene hollow nanospheres and a coating substrate. The coating substrate is: water-based acrylic emulsion 400mL, defoamer 1mL, wetting agent 1mL, leveling agent 1mL, and film forming aid 20mL and 0.5mL of adhesive.
将聚苯乙烯中空纳米微球和涂料底物搅拌2分钟。Stir the polystyrene hollow nanospheres and the coating substrate for 2 minutes.
本实施例的透明投影屏幕，包括投影基材及涂覆于所述的投影基材表面的所述的投影涂料，涂覆完后在室温下干燥20分钟，然后在55℃下加热10分钟。The transparent projection screen of this embodiment includes a projection substrate and the projection paint coated on the surface of the projection substrate. After coating, it is dried at room temperature for 20 minutes, and then heated at 55°C for 10 minutes.
所述的投影基材为平面玻璃基材。The projection substrate is a flat glass substrate.
实施例2Example 2
一种透明投影屏幕，包括8毫升聚苯乙烯中空纳米微球、0.4g黑色颗粒物、10g非晶态硅酸铝钙和涂料底物，涂料底物为：水性丙烯酸乳液400mL、消泡剂1mL、润湿剂1mL、流平剂1mL、成膜助剂20mL和粘合剂0.5mL。A transparent projection screen, comprising 8 ml of polystyrene hollow nanospheres, 0.4 g of black particles, 10 g of amorphous calcium aluminum silicate, and a coating substrate. The coating substrate is: water-based acrylic emulsion 400 mL, defoamer 1 mL, 1 mL of wetting agent, 1 mL of leveling agent, 20 mL of film forming aid and 0.5 mL of adhesive.
将聚苯乙烯中空纳米微球、非晶态硅酸铝钙和黑色颗粒物加入涂料底物中搅拌5分钟。Add polystyrene hollow nanospheres, amorphous calcium aluminum silicate and black particles into the coating substrate and stir for 5 minutes.
本实施例的透明投影屏幕，包括投影基材及涂覆于所述的投影基材表面的所述的投影涂料，涂覆完后在室温下干燥30分钟，然后在65℃下加热20分钟。The transparent projection screen of this embodiment includes a projection substrate and the projection paint coated on the surface of the projection substrate. After coating, it is dried at room temperature for 30 minutes, and then heated at 65°C for 20 minutes.
所述的投影基材为柔软可弯曲的透明塑料膜。The projection substrate is a soft and flexible transparent plastic film.
实施例3Example 3
一种透明投影屏幕，包括8毫升聚苯乙烯中空纳米微球、0.13g黑色颗粒物和涂料底物，涂料底物为：水性丙烯酸乳液400mL、消泡剂1mL、润湿剂1mL、流平剂1mL、成膜助剂20mL和粘合剂0.5mL。A transparent projection screen, including 8ml of polystyrene hollow nanospheres, 0.13g of black particles and a coating substrate. The coating substrate is: water-based acrylic emulsion 400mL, defoamer 1mL, wetting agent 1mL, and leveling agent 1mL , 20mL of film-forming aid and 0.5mL of adhesive.
将聚苯乙烯中空纳米微球和黑色颗粒物加入涂料底物中搅拌5分钟。Add polystyrene hollow nanospheres and black particles into the coating substrate and stir for 5 minutes.
本实施例的透明投影屏幕，包括投影基材及涂覆于所述的投影基材表面的所述的投影涂料，涂覆完后在室温下干燥25分钟，然后在60℃下加热30分钟。The transparent projection screen of this embodiment includes a projection substrate and the projection paint coated on the surface of the projection substrate. After coating, it is dried at room temperature for 25 minutes, and then heated at 60°C for 30 minutes.
所述的投影基材为柔软可弯曲的透明塑料膜。本发明的黑色颗粒物黑色颗粒物为二氧化硅玻璃，也可以采用5-45mm黑色玻璃微珠或者粒径为5-45mm的黑色颗粒。The projection substrate is a soft and flexible transparent plastic film. The black particles of the present invention are silica glass, and black glass beads of 5-45 mm or black particles with a particle size of 5-45 mm can also be used.
实施例4Example 4
与上述实施3不同的是，本发明的涂料底物是市场上购买的透明油性涂料。Different from the above-mentioned implementation 3, the coating substrate of the present invention is a transparent oily coating purchased on the market.
对以上各个实施例制备的背投影屏幕的涂层进行相关性能的检测，结果如下The relevant performance of the coating of the rear projection screen prepared in each of the above embodiments was tested, and the results are as follows
Figure PCTCN2020090014-appb-000001
Figure PCTCN2020090014-appb-000001

Claims (10)

  1. 一种透明投影涂料，其特征在于：包括聚苯乙烯中空纳米微球和涂料底物，混合物中聚苯乙烯中空纳米微球的体积分数为0.1-5％，所述的聚苯乙烯中空纳米微球的粒径为1-800nm。A transparent projection coating, which is characterized in that it comprises polystyrene hollow nano-microspheres and a coating substrate. The volume fraction of the polystyrene hollow nano-microspheres in the mixture is 0.1-5%. The particle size of the balls is 1-800nm.
  2. 根据权利要求1所述的一种透明投影涂料，其特征在于：还包括非晶态硅酸铝钙，按照每100mL的涂料底物添加0-5g的非晶态硅酸铝钙。The transparent projection coating according to claim 1, characterized in that it further comprises amorphous calcium aluminum silicate, and 0-5 g of amorphous calcium aluminum silicate is added per 100 mL of the coating substrate.
  3. 根据权利要求1或2所述的一种透明投影涂料，其特征在于：还包括黑色颗粒物，所述的黑色颗粒物为5-45mm黑色玻璃微珠、粒径为5-45mm的黑色颗粒或者黑色的、不反光的、透明的、片状二氧化硅玻璃，按照100mL的涂料底物添加0-11g黑色颗粒物，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm。A transparent projection coating according to claim 1 or 2, characterized in that it further comprises black particles, said black particles being 5-45mm black glass beads, black particles with a particle size of 5-45mm or black , Non-reflective, transparent, flaky silica glass, add 0-11g black particles according to 100mL of the coating substrate, the thickness of the silica glass is 200-300nm, and the width is 40-50μm.
  4. 根据权利要求1所述的一种透明投影涂料，其特征在于：所述的涂料底物为水性漆或者油性漆。The transparent projection coating according to claim 1, wherein the coating substrate is water-based paint or oil-based paint.
  5. 根据权利要求4所述的一种透明投影涂料，其特征在于：所述的水性漆由以下体积份组成：水性丙烯酸乳液400-500mL、消泡剂1-2mL、润湿剂1-2mL、流平剂1-2mL、成膜助剂20-30mL和粘合剂0.5-1mL。A transparent projection coating according to claim 4, characterized in that: the water-based paint is composed of the following volume parts: water-based acrylic emulsion 400-500mL, defoamer 1-2mL, wetting agent 1-2mL, flow Ping agent 1-2mL, film forming aid 20-30mL and adhesive 0.5-1mL.
  6. 根据权利要求1所述的一种透明投影涂料的制备方法，其特征在于：将聚苯乙烯中空纳米微球和涂料底物混合搅拌2-5分钟。The method for preparing a transparent projection coating according to claim 1, wherein the hollow polystyrene nanospheres and the coating substrate are mixed and stirred for 2-5 minutes.
  7. 根据权利要求2所述的一种透明投影涂料的制备方法，其特征在于：The method for preparing a transparent projection coating according to claim 2, wherein:
    将聚苯乙烯中空纳米微球、非晶态硅酸铝钙和涂料底物混合搅拌2-5分钟。The polystyrene hollow nanospheres, the amorphous calcium aluminum silicate and the coating substrate are mixed and stirred for 2-5 minutes.
  8. 根据权利要求3所述的一种透明投影涂料的制备方法，其特征在于：将聚苯乙烯中空纳米微球、黑色颗粒物、非晶态硅酸铝钙和涂料底物混合搅拌2-5分钟。The method for preparing a transparent projection coating according to claim 3, wherein the hollow polystyrene nanospheres, black particles, amorphous calcium aluminum silicate and the coating substrate are mixed and stirred for 2-5 minutes.
  9. 一种透明投影屏幕，其特征在于：包括一种透明投影基材及涂覆于所述的一种透明投影基材表面的由权利要求1-5中任意一项所述的一种透明投影涂料，在涂覆后，先在室温下干燥20-40分钟，然后在55-65℃下加热10-30分钟，即可。A transparent projection screen, characterized in that it comprises a transparent projection substrate and a transparent projection paint according to any one of claims 1 to 5 coated on the surface of the transparent projection substrate After coating, dry it at room temperature for 20-40 minutes, and then heat it at 55-65°C for 10-30 minutes.
  10. 根据权利要求9所述的透明投影屏幕，其特征在于：所述的透明投影屏幕基材为平面或者曲面的透明基材。9. The transparent projection screen of claim 9, wherein the transparent projection screen substrate is a flat or curved transparent substrate.
PCT/CN2020/090014 2019-05-17 2020-05-13 Transparent projection coating and front projection screen WO2020233468A1 (en)

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