WO2020083303A1 - Écran de transmission de projection respectueux de l'environnement et son procédé de fabrication - Google Patents

Écran de transmission de projection respectueux de l'environnement et son procédé de fabrication Download PDF

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Publication number
WO2020083303A1
WO2020083303A1 PCT/CN2019/112632 CN2019112632W WO2020083303A1 WO 2020083303 A1 WO2020083303 A1 WO 2020083303A1 CN 2019112632 W CN2019112632 W CN 2019112632W WO 2020083303 A1 WO2020083303 A1 WO 2020083303A1
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WO
WIPO (PCT)
Prior art keywords
friendly projection
environment
transmission screen
substrate
projection transmission
Prior art date
Application number
PCT/CN2019/112632
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English (en)
Chinese (zh)
Other versions
WO2020083303A9 (fr
Inventor
崔林杰
郑京男
梁永日
Original Assignee
崔林杰
郑京男
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 崔林杰, 郑京男 filed Critical 崔林杰
Publication of WO2020083303A1 publication Critical patent/WO2020083303A1/fr
Publication of WO2020083303A9 publication Critical patent/WO2020083303A9/fr

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Classifications

    • 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
    • G03B21/62—Translucent screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
    • B05D2203/35—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2503/00—Polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2601/00—Inorganic fillers
    • B05D2601/20—Inorganic fillers used for non-pigmentation effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2601/00—Inorganic fillers
    • B05D2601/20—Inorganic fillers used for non-pigmentation effect
    • B05D2601/22—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2601/00—Inorganic fillers
    • B05D2601/20—Inorganic fillers used for non-pigmentation effect
    • B05D2601/24—Titanium dioxide, e.g. rutile
    • 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
    • C08K2003/2231—Oxides; Hydroxides of metals of tin
    • 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

Definitions

  • the invention relates to an environment-friendly projection transmission screen and a preparation method thereof, in particular to a new material in the field of environment protection.
  • projection systems are widely used in commercial presentations, multimedia conference rooms, classrooms, stadiums and other occasions.
  • the projection methods used are mainly front projection and rear projection.
  • the projection screen can also be divided into a front projection screen (reflective type) and a rear projection screen (transmissive type) from the projection mode.
  • front projection is that the installation position of the projector and the audience are on the same side of the projection screen, the light emitted by the projector is projected onto the projection screen, an image is formed on the projection screen, and then the light is reflected to the human eye.
  • the so-called rear projection is that the installation position of the projector and the audience are located on both sides of the projection screen, and the light emitted by the projector is directed from the side of the projection screen to the projection screen, and the light enters the eyes of the audience through the projection screen.
  • the front projection screen is not limited by the size, but it needs to control the ambient light to get a good viewing effect. Under the environment with good ambient light and lighting, it will cause a serious decline in the contrast of the picture.
  • the rear projection screen has a strong overall feeling, the picture is colorful, the image is realistic, and does not need to control the ambient light. It is suitable for environments with good ambient light and lighting, but the rear projection screen is not as good in size as the front projection, and it needs sufficient Back space to ensure projection distance.
  • Korean Authorized Utility Model No. 20-0273709 An example of light irradiating a beam projector is disclosed in Korean Authorized Utility Model No. 20-0273709. This technique involves attaching a particle sticker formed of a plurality of particles to a transparent glass screen board using an adhesive. However, because this screen is opaque, only a reflective beam projector can be used, and a transmission beam projector cannot be used to view images from the outside.
  • Korean Patent No. 10-0988415 discloses an example of a projection screen capable of viewing images from the outside.
  • the projection screen is rollable and coated with an adhesive.
  • the adhesive adheres to an undesirable part.
  • the high-definition projection paint composition contains 1 to 10 weight percent of silica fine particles, 1 to 10 weight percent of tin dioxide fine particles, 30 to 60 weight percent binder, 1 to 2 weight percent leveling agent, 1 to 2 weight percent defoamer, and remaining solvent.
  • This patent application mainly uses organic solvents to solve the problems of nanoparticle dispersion, but there are The problem of polluting the environment.
  • An object of the present invention is to provide an environmentally friendly projection transmission screen, which is characterized by comprising a substrate and an aqueous polymer emulsion coating material formed on one side of the substrate.
  • the environmentally friendly projection transmission screen according to the first aspect of the present invention is characterized in that the water-based polymer emulsion coating material is that the water-based polymer emulsion composition is coated on one side of the substrate, and the Obtained after drying at normal temperature and pressure.
  • the environment-friendly projection transmission screen according to the first aspect of the present invention is characterized in that it contains an aqueous polymer emulsion composition, inorganic nano particles and an auxiliary agent.
  • the environment-friendly projection transmission screen according to the first aspect of the present invention is characterized in that the substrate has a planar shape, an arc shape or a semicircular shape.
  • the application of the environmentally friendly projection transmission screen according to the first aspect of the present invention is characterized in that glass windows used in chain enterprises such as chain supermarkets, pharmacies, cosmetic stores, office buildings or shops along the street are used as glass substrates directly in the The glass substrate is coated with a transmission paint composition to form an environment-friendly projection transmission screen.
  • a second aspect of the present invention provides a method for preparing an environmentally friendly projection transmission screen, which includes the following steps: a substrate pretreatment step, a coating step, and a molding step.
  • the method for preparing an environmentally friendly projection transmission screen according to the second aspect of the present invention is characterized in that the coating step includes a spraying step or a roller coating step.
  • the method for preparing an environmentally friendly projection transmission screen according to the second aspect of the present invention is characterized in that the molding step is performed at normal temperature and pressure.
  • the preparation method of the environment-friendly projection transmission screen according to the second aspect of the present invention is characterized in that, in the coating step, the angle between the substrate and the ground is selected from 0 to 90 ° at any angle .
  • the preparation method of the environment-friendly projection transmission screen according to the second aspect of the present invention is characterized by using glass windows of chain enterprises such as chain supermarkets, pharmacies, cosmetic stores, office buildings or shops along the street as glass substrates, directly at the The glass substrate is coated with a transmission paint composition to form an environment-friendly projection transmission screen.
  • chain enterprises such as chain supermarkets, pharmacies, cosmetic stores, office buildings or shops along the street as glass substrates
  • the application of the environment-friendly projection transmission screen according to the second aspect of the present invention in outdoor advertising, indoor and outdoor decoration and decoration, and exhibition display.
  • the application of the second aspect of the present invention is characterized in that the advertising outdoor is to use glass windows of chain enterprises such as chain supermarkets, pharmacies, cosmetic stores, office buildings or shops along the street as glass substrates directly on it
  • An environment-friendly projection transmission screen is formed by coating an environment-friendly projection transmission paint.
  • a high-definition screen is simply formed by spraying to be used in all transmissive beam projectors and reflective beam projectors.
  • the present invention does not require additional screen cloth and can be projected in any place, very easily.
  • a high-definition projection screen can be formed in any place quickly and easily, and the size of the projection screen is not affected by other factors, and is only determined according to the size of the transparent plate.
  • the invention adopts the coating for preparing the projection screen, which has low cost, environmental protection and easy construction. It adopts conventional spraying, roller coating and other methods, can be coated and dried at normal temperature and pressure, does not contain organic solvents, and has no pollution to the environment. The drying speed is fast under normal temperature and pressure, and the construction is easy, so it can be produced on site, which further reduces the cost of the projection screen.
  • the characteristic is that the coating composition coating material does not require professional training by professionals, and it is simple to use at normal temperature and pressure
  • the spraying or roller coating method is directly coated on the required clean substrate, and naturally dried to form a film.
  • a high-definition and environmentally friendly projection film can be formed on any suitable substrate in any place and on-site, without additional screen cloth, and projection is very easy.
  • the coating composition used in the present invention can form a projection film on a transparent substrate such as glass, used for rear projection imaging, with a viewing angle of 170 degrees and strong resistance to ambient light.
  • the construction is easy and the size of the projection screen It is not affected by other factors, and is only determined by the size of the transparent substrate.
  • the environmentally friendly projection screen formed is less affected by the ambient light. Even under bright light, it can form a colorful and vivid picture, and on the screen Clear images can be viewed on both sides. Because it is rear projection imaging, the projector can be completely hidden, the presenter has no shadow, and the projector light will not cause glare. When it is not in use, it is still the original state of the substrate, so it does not affect the original function of the substrate.
  • the coating composition of the present invention can also be coated on an existing white curtain or wall to form a high-definition and environmentally friendly projection film.
  • the projection film can form a clear picture even under bright light, overcoming the existing white curtain Disadvantages that need to be used in the dark.
  • the environmentally friendly projection screen of the present invention can be used in outdoor advertising, indoor and outdoor decoration, exhibitions, and office fields.
  • the water-based polymer emulsion coating material is obtained by coating the water-based polymer emulsion composition on one side of the substrate and drying it at normal temperature and pressure.
  • the composition includes an aqueous polymer emulsion composition, inorganic nano particles and an auxiliary agent.
  • the substrate can be any shape such as a planar shape, an arc shape, or a semicircular shape, as long as it can form a uniform coating by spraying or roller coating, etc., a high-definition screen can be formed .
  • the preparation method of the environment-friendly projection transmission screen of the present invention adopts a substrate pretreatment step, a coating step, and a molding step, and can be obtained by a simple method.
  • the above molding step is performed at normal temperature and pressure.
  • the angle between the substrate and the ground is selected from 0 to 90 ° at any angle.
  • a transparent paint composition is directly coated on the glass substrates to form an environmentally friendly projection transmission screen.
  • the environment-friendly projection transmission screen of the present invention is suitable for applications in outdoor advertising, indoor and outdoor decoration, and exhibition display.
  • the coating of the present invention contains a binder as a raw material for the coating.
  • a binder examples include acrylic emulsion, vinyl acetate emulsion, polyvinyl butyral, vinyl acetate, polyurethane, One of the organic-inorganic hybrid binders, or a mixture of one or more of them.
  • the coating applied as the coating layer of the dual screen of the present invention may contain, in addition to silica fine particles and a binder, a leveling agent for leveling the coating surface and for suppressing the coating process Defoamer formed by the bubbles.
  • the total composition of the coating may include 1 to 10 weight percent of silica fine particles, 1 to 10 weight percent of tin dioxide fine particles, 30 to 60 weight percent of binder, 1 ⁇ 2 weight percent leveling agent, 1-2 weight percent defoamer and remaining solvent.
  • the solvent of the translucent paint may be composed of water or alcohol.
  • metal fine particles may be added as a raw material of the paint.
  • the metal particles reduce the transmission of ultraviolet rays or infrared rays, not only protect people located in the room from ultraviolet rays, but also provide the screen coating layer 2 with an image quality better than that of the beam projector 3 through the unique reflection performance of the metal.
  • the metal fine particles have a heat insulating effect, the energy efficiency can be further improved when the above-mentioned coating material added with the metal fine particles is applied to the glass or the like at the outer boundary of the building.
  • one or more titanium oxide, zinc oxide, indium oxide, tin oxide, antimony tin oxide, indium tin oxide, etc. with a size of 10 to 500 nm and molybdenum oxide with a size of about 10 to 500 nm can be mixed.
  • MoO 3 tantalum oxide
  • Ta 2 O 5 tungsten oxide
  • WO 3 vanadium pentoxide
  • Nb 2 O 5 niobium oxide
  • metal fine particles Preferably, 50 to 150 parts by weight of these metal fine particles are added to 100 parts by weight of silica fine particles.
  • the amount of use exceeds the above amount, the glare becomes severe. Conversely, when the amount of use is small, the ultraviolet protection effect cannot be sufficiently obtained.
  • the coating of the present invention may also be an aqueous polymer emulsion composition, the aqueous polymer emulsion composition comprising an aqueous polymer emulsion, inorganic nanoparticles and an auxiliary agent.
  • the aqueous polymer emulsion includes an aqueous polyurethane emulsion, an aqueous polyacrylate emulsion, an EVA emulsion, or two or more aqueous polymer emulsions.
  • the inorganic nanoparticles are one or a mixture of two or more selected from the group consisting of nano silica, nano tin dioxide, nano zinc dioxide, nano titanium dioxide, nano alumina, nano zirconium oxide, and the nano particle mixture
  • the mass content in the composition is 1-10%. Its content affects the transparency of the screen when it is not projected, but it does not affect its projection imaging.
  • the mass content of the nanoparticle mixture should not be higher than 10%, especially when using glass windows of chain enterprises such as chain supermarkets, pharmacies, cosmetic stores, office buildings or shops along the street as glass substrates, even when not used as high-definition screens Does not affect the appearance.
  • toning nano fillers may also be included.
  • the tonnage filler is one or a mixture of two or more selected from the group consisting of nano copper dioxide, nano ferric oxide, nano manganese dioxide, and nano carbon black, and the mass content in the composition is 0.01 -2%.
  • the auxiliary agent is composed of an antifoaming agent, a dispersing agent and a film-forming agent, and the mass content in the composition is 1-10%.
  • the environmental protection type projection screen of the invention is used for preparing a coating material of an aqueous polymer emulsion composition.
  • the coating material of the aqueous polymer emulsion composition of the present invention is suitable for preparing back and front dual-use projection screens on a transparent substrate, especially suitable for transforming transparent glass windows or display panels of existing buildings into front and back projection screens Demand.
  • the invention relates to a screen coating material which has the characteristics of strong light resistance, simple construction, low cost and environmental protection.
  • the double-sided projection screen of the present invention is coated with the above-mentioned aqueous polymer emulsion composition on a substrate to form a projection film, and the projection film is used in combination with a projector to form an image.
  • the aqueous polymer emulsion is a carrier material, and commercially available aqueous polyurethane emulsion, aqueous polyacrylate emulsion, EVA emulsion, or two or more aqueous polymer emulsions, etc., and the solid content range is preferably 25 Between 45%, its content in the composition is 65-85%.
  • the substrate includes a transparent substrate, an opaque substrate, a transparent glass window or a display board of an existing building, and the like.
  • the simple construction and environmental protection features described in the present invention are that the coating material of the water-based polymer emulsion composition does not require professional training by professionals, and it is directly applied to the required coating by a simple spraying or roller coating method at normal temperature and pressure On the clean substrate, the film is naturally dried, and the drying process does not bring the smell of organic solvents.
  • the 100ml paint of the present invention can prepare a display screen of about 1.6 square meters, which is not affected by weather, construction environment and the like.
  • the coating material of the water-based polymer emulsion composition of the present invention can be applied to indoor and outdoor decoration and decoration of existing buildings, exhibition displays, and outdoor advertising screens, and can be constructed on site, has simple construction, short drying time, saves cost and time, It has high resistance to ambient light, and it can also see a clear picture even under the strong daylight conditions.
  • the invention adopts a projection screen to prepare an aqueous polymer emulsion composition, which has low cost, environmental protection and easy construction. It adopts conventional spraying, roller coating and other methods, can be coated and dried at normal temperature and pressure, and does not contain organic solvents. No pollution to the environment, fast drying at normal temperature and pressure, and easy construction, so it can be produced on site, further reducing the cost of projection screens, characterized by the coating of water-based polymer emulsion composition coating materials without professional training by professionals At a normal temperature and pressure, it is directly coated on the required clean substrate by a simple spraying or roller coating method, and naturally dried to form a film.
  • the water-based polymer emulsion composition used in the present invention can be applied on any suitable substrate to form a high-definition and environmentally friendly projection film in any place, without additional screen cloth, and projection is very easy.
  • the aqueous polymer emulsion composition used in the present invention can form a projection film on a transparent substrate such as glass for rear projection imaging, the viewing angle can reach 170 degrees, and it has strong resistance to ambient light. Compared with the prior art, the construction is easy and the projection
  • the size of the screen is not affected by other factors, and is only determined by the size of the transparent substrate.
  • the resulting environmentally friendly projection screen is little affected by ambient light. Even in bright light, it can form a colorful and vivid picture, and Clear images can be viewed on both sides of the screen. Because it is rear projection imaging, the projector can be completely hidden, the presenter has no shadow, and the projector light will not cause glare. When it is not in use, it is still the original state of the substrate, so it does not affect the original function of the
  • the aqueous polymer emulsion composition of the present invention can also be coated on an existing white curtain or wall to form a high-definition and environmentally friendly projection film, which can form a clear picture even under bright light, which overcomes the existing The white curtain needs to be used in dark places.
  • the environmentally friendly projection screen of the present invention can be used in outdoor advertising, indoor and outdoor decoration, exhibitions, and office fields.
  • Example 1 To 100 parts by mass of waterborne polyurethane, 8 parts by mass of silica are added; 2 parts by mass of nano tin dioxide and 2 parts by mass of water are mixed, and the solid content is 45%. Then, after using ultrasonic waves for 60 minutes, the aqueous polymer composition 1 of Example 1 was obtained. Put the aqueous polymer composition 1 into a spray gun, apply it to the pretreated glass substrate in a direction perpendicular to the ground and spray it, and dry it naturally to obtain an off-white coating film with a surface drying time of 10-15.
  • the glass coated with water-based polymer 1 can be used as a projection screen with a viewing angle of 170, and both sides of the coating can be imaged. The rear projection effect is excellent when the coating is used facing the projector.
  • the transmissive paint composition 2 of Example 2 was obtained; the transmissive paint composition 2 was loaded into a spray gun, applied to the pretreated glass substrate in a direction perpendicular to the ground and sprayed, and naturally dried to obtain
  • the off-white coating film has a surface drying time of 10-15.
  • the glass coated with water-based polymer 1 can be used as a projection screen with a viewing angle of 170, and both sides of the coating can be imaged. The rear projection effect is excellent when the coating is used facing the projector.
  • the transmissive paint composition 3 of Example 3 was obtained; the transmissive paint composition 3 was loaded into a spray gun, applied to the pretreated glass substrate in a direction perpendicular to the ground and sprayed, and naturally dried to obtain
  • the gray-black coating film has a surface drying time of 10-15.
  • the glass coated with water-based polymer 1 can be used as a projection screen with a viewing angle of 170, and both sides of the coating can be imaged. The rear projection effect is excellent when the coating is used facing the projector.
  • the transmissive paint composition 4 of Example 4 was obtained; the transmissive paint composition 4 was loaded into a spray gun, applied to the pretreated glass substrate in a direction perpendicular to the ground and sprayed, and naturally dried to obtain
  • the off-white coating film has a surface drying time of 10-15.
  • the glass coated with water-based polymer 1 can be used as a projection screen with a viewing angle of 170, and both sides of the coating can be imaged. The rear projection effect is excellent when the coating is used facing the projector.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Surface Treatment Of Glass (AREA)
  • Projection Apparatus (AREA)

Abstract

L'invention concerne un écran de transmission de projection respectueux de l'environnement comprenant un substrat et un matériau de revêtement d'émulsion polymère à base d'eau formé sur une surface latérale unique du substrat. L'écran de transmission de projection respectueux de l'environnement peut être utilisé dans le contexte de publicités extérieures, pour la décoration intérieure et extérieure, et pour les expositions et les présentations. L'utilisation dans le contexte de publicités extérieures consiste à utiliser des fenêtres en verre de chaînes d'entreprises telles que des chaînes de supermarchés, des magasins de médicaments, des magasins de produits cosmétiques, des bâtiments de bureaux ou des magasins de rue en tant que substrats en verre, et une peinture de transmission de projection respectueuse de l'environnement est directement appliquée sur les fenêtres de verre pour former l'écran de transmission de projection respectueux de l'environnement.
PCT/CN2019/112632 2018-10-23 2019-10-22 Écran de transmission de projection respectueux de l'environnement et son procédé de fabrication WO2020083303A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811246838.3 2018-10-23
CN201811246838.3A CN109581802A (zh) 2018-10-23 2018-10-23 一种环保型投影透射屏及其制备方法

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WO2020083303A1 true WO2020083303A1 (fr) 2020-04-30
WO2020083303A9 WO2020083303A9 (fr) 2020-09-17

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JP (1) JP6736650B2 (fr)
CN (1) CN109581802A (fr)
SG (1) SG10201904644PA (fr)
WO (1) WO2020083303A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109581802A (zh) * 2018-10-23 2019-04-05 崔林杰 一种环保型投影透射屏及其制备方法
CN111635675A (zh) * 2019-05-17 2020-09-08 亚科维亚(福建)科技有限公司 一种超短焦背投影涂料、超短焦背投影屏幕
CN111635678A (zh) * 2019-05-17 2020-09-08 亚科维亚(福建)科技有限公司 一种背投影涂料、背投影屏幕
CN113946232A (zh) * 2020-07-15 2022-01-18 崔林杰 交互式投影显示设备和系统

Citations (7)

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