CN114075793A - Projection curtain surface structure resisting laser speckle and preparation method - Google Patents
Projection curtain surface structure resisting laser speckle and preparation method Download PDFInfo
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- CN114075793A CN114075793A CN202111400546.2A CN202111400546A CN114075793A CN 114075793 A CN114075793 A CN 114075793A CN 202111400546 A CN202111400546 A CN 202111400546A CN 114075793 A CN114075793 A CN 114075793A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 44
- 239000004744 fabric Substances 0.000 claims description 44
- 239000003795 chemical substances by application Substances 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 30
- 239000004925 Acrylic resin Substances 0.000 claims description 24
- 229920000178 Acrylic resin Polymers 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 24
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 24
- 239000012948 isocyanate Substances 0.000 claims description 24
- 150000002513 isocyanates Chemical class 0.000 claims description 24
- 229920005989 resin Polymers 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 22
- 229910052709 silver Inorganic materials 0.000 claims description 22
- 239000004332 silver Substances 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 20
- 239000012752 auxiliary agent Substances 0.000 claims description 19
- 239000004611 light stabiliser Substances 0.000 claims description 19
- 239000002105 nanoparticle Substances 0.000 claims description 19
- 229920005749 polyurethane resin Polymers 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 17
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000002028 Biomass Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000571 coke Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with fluoropolymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0838—Bright, glossy, shiny surface
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/126—Permeability to liquids, absorption
- D06N2209/128—Non-permeable
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a projection curtain surface structure for resisting laser speckles and a preparation method thereof, and relates to the technical field of projection curtains. The projection curtain surface structure capable of resisting the laser speckles and the preparation method can improve the brightness and the contrast of an optical curtain, can play a good role in resisting the laser speckles, improve the quality of pictures, enable the pictures not to be easily influenced by light, further can meet the watching demands of audiences, can play a good role in preventing fire and damp, play a protection role in the projection curtain, and further can prolong the service life of the projection curtain.
Description
Technical Field
The invention relates to the technical field of projection screens, in particular to a projection screen surface structure resisting laser speckles and a preparation method thereof.
Background
The projection screen is a tool used for displaying images and video files in the occasions of movies, offices, home theaters and large-scale conferences, is called a projection screen, generally comprises a commercial screen, a household screen and an engineering screen, has various types, is divided into high, medium and low grades, and can be set according to the situation of the occasion.
However, the image quality of the current projection screen is easily affected by light, so that the brightness of the projection screen is uneven, the image quality is low, the projection screen cannot play a role in resisting laser speckle, the viewing requirement of audiences cannot be met, and the defect is not correspondingly improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a projection curtain surface structure for resisting laser speckles and a preparation method thereof, and solves the problems that the image quality of the existing projection curtain is easily influenced by light, so that the brightness of the projection curtain is uneven, the image quality is low, the projection curtain can not resist the laser speckles, and the watching requirements of audiences can not be met.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anti laser speckle's projection curtain surface structure, includes the substrate layer, the upper surface of substrate layer is provided with one deck curtain cloth layer, the upper surface on curtain cloth layer is provided with one deck optical structure layer.
Preferably, the thickness of substrate layer sets up to 2 ~ 4mm, the thickness on curtain cloth layer sets up to 0.6 ~ 0.8mm, the thickness of optical structure layer is 0.5 ~ 0.9 mm.
Preferably, the preparation method of the projection curtain surface structure for resisting laser speckle comprises the following steps:
s1, preparing materials of a curtain cloth layer and an optical structure layer, wherein the curtain cloth layer comprises silver ink, silver powder and reflective powder, and the curtain cloth layer is prepared from the following components in percentage: 40-45% of silver ink, 44-50% of silver powder and 5-16% of reflective powder, wherein the optical structure layer comprises isocyanate, polyurethane resin, acrylic resin, fluorocarbon resin, flatting agent, auxiliary agent, curing agent, inorganic nanoparticles, light stabilizer and combustion improver, and is prepared from the following components in parts by weight: 8-12 parts of isocyanate, 15-19 parts of polyurethane resin, 45-55 parts of acrylic resin, 20-44 parts of fluorocarbon resin, 2-7 parts of flatting agent, 2-8 parts of auxiliary agent, 3-11 parts of curing agent, 8-22 parts of inorganic nanoparticles, 7-14 parts of light stabilizer and 2-10 parts of combustion improver;
s2, putting the silver ink, the silver powder and the reflective powder into a mixer, stirring and mixing for 5min, then putting the mixed raw materials onto a screen mesh for screening, wherein the mesh number of the screen mesh is 600-800 meshes, and after the screen mesh is finished, uniformly coating the screened raw materials on a base material layer by using a brush to finish the preparation of the curtain cloth layer;
s3, putting isocyanate, polyurethane resin, acrylic resin and fluorocarbon resin into a stirrer, stirring for 20-25 min, sequentially adding a flatting agent, an auxiliary agent, a curing agent, a light stabilizer and a combustion improver after stirring, then continuously stirring for 10-15 min, and finally adding inorganic nanoparticles and stirring for 5-8 min;
s4, putting the stirred raw materials into a vessel in the step S3, naturally cooling the vessel to room temperature, spraying the raw materials onto the curtain cloth layer in a spraying mode for 3-4 times in total, and completing preparation of the optical structure layer;
and S5, putting the screen after the spraying in the step S4 into a dryer for drying treatment, wherein the drying temperature is 50-60 ℃, and the heat preservation time is 1-2 hours, and finally obtaining the projection screen.
Preferably, in step S1, the curtain fabric layer has the following components by weight: 40% of silver ink, 44% of silver powder and 16% of reflective powder, wherein the optical structure layer is prepared from the following components in parts by weight: 8 parts of isocyanate, 15 parts of polyurethane resin, 45 parts of acrylic resin, 20 parts of fluorocarbon resin, 2 parts of flatting agent, 2 parts of auxiliary agent, 3 parts of curing agent, 8 parts of inorganic nano particles, 7 parts of light stabilizer and 2 parts of combustion improver.
Preferably, in step S1, the curtain fabric layer has the following components by weight: 45% of silver ink, 50% of silver powder and 5% of reflective powder, wherein the optical structure layer is prepared from the following components in parts by weight: 12 parts of isocyanate, 19 parts of polyurethane resin, 55 parts of acrylic resin, 44 parts of fluorocarbon resin, 7 parts of flatting agent, 8 parts of auxiliary agent, 11 parts of curing agent, 22 parts of inorganic nano particles, 14 parts of light stabilizer and 10 parts of combustion improver.
Preferably, in step S1, the curtain fabric layer has the following components by weight: 43% of silver ink, 48% of silver powder and 9% of reflective powder, wherein the optical structure layer is prepared from the following components in parts by weight: 10 parts of isocyanate, 17 parts of polyurethane resin, 50 parts of acrylic resin, 30 parts of fluorocarbon resin, 5 parts of flatting agent, 5 parts of auxiliary agent, 7 parts of curing agent, 15 parts of inorganic nano particles, 10 parts of light stabilizer and 6 parts of combustion improver.
Preferably, in step S1, the combustion improver is prepared from 40% of nano antimony trioxide, 35% of semi-coke and 25% of biomass.
Preferably, in the step S3, when the isocyanate, the urethane resin, the acrylic resin, and the fluorocarbon resin are stirred, the inside of the stirrer is heated to gradually increase the temperature at 10 to 14 ℃ per minute until the temperature reaches 90 to 100 ℃.
Preferably, in the step S3, the stirring speed of the stirrer is 5 to 9 r/S.
Preferably, in the step S4, after each spraying, the mixture is allowed to stand for 10 to 18 min.
Advantageous effects
The invention provides a projection curtain surface structure resisting laser speckles and a preparation method thereof, and compared with the prior art, the projection curtain surface structure has the following beneficial effects:
1. the projection curtain surface structure capable of resisting the laser speckles and the preparation method can improve the brightness and the contrast of the optical curtain, can play a good role in resisting the laser speckles, improve the quality of pictures, enable the pictures not to be easily influenced by light, and further can meet the watching requirements of the majority of audiences.
2. The projection curtain surface structure capable of resisting laser speckles and the preparation method can play a good fireproof and moistureproof role, play a protection role on the projection curtain, and further prolong the service life of the projection curtain.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a composition diagram of a curtain layer structure of the present invention;
FIG. 3 is a composition diagram of the structure of the optical structure layer of the present invention.
In the figure: 1. a substrate layer; 2. a curtain cloth layer; 3. and an optical structure layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides three technical solutions,
example one
The utility model provides an anti laser speckle's projection curtain surface structure, includes substrate layer 1, and the upper surface of substrate layer 1 is provided with one deck curtain cloth layer 2, and the upper surface of curtain cloth layer 2 is provided with one deck optical structure layer 3.
In the embodiment of the invention, the thickness of the substrate layer 1 is set to be 2mm, the thickness of the curtain layer 2 is set to be 0.6mm, and the thickness of the optical structure layer 3 is 0.5 mm.
In the embodiment of the invention, the preparation method of the projection curtain surface structure for resisting laser speckles comprises the following steps:
s1, preparing materials of a curtain cloth layer 2 and an optical structure layer 3, wherein the curtain cloth layer 2 comprises silver ink, silver powder and reflective powder, and the curtain cloth layer 2 is prepared from the following components in percentage: 40% of silver ink, 44% of silver powder and 16% of reflective powder, and the optical structure layer 3 is prepared from the following components in parts by weight: 8 parts of isocyanate, 15 parts of polyurethane resin, 45 parts of acrylic resin, 20 parts of fluorocarbon resin, 2 parts of flatting agent, 2 parts of auxiliary agent, 3 parts of curing agent, 8 parts of inorganic nano particles, 7 parts of light stabilizer and 2 parts of combustion improver;
s2, putting the silver ink, the silver powder and the reflective powder into a mixer, stirring and mixing for 5min, then putting the mixed raw materials onto a screen mesh for screening, wherein the mesh number of the screen mesh is 600 meshes, and after the screen mesh is finished, uniformly coating the screened raw materials onto the base material layer 1 by using a brush to finish the preparation of the curtain cloth layer 2;
s3, putting isocyanate, polyurethane resin, acrylic resin and fluorocarbon resin into a stirrer, stirring for 20min, sequentially adding a flatting agent, an auxiliary agent, a curing agent, a light stabilizer and a combustion improver after stirring, continuously stirring for 10min, and finally adding inorganic nanoparticles and stirring for 5 min;
s4, putting the stirred raw materials into a vessel in the step S3, naturally cooling the raw materials to room temperature, spraying the raw materials onto the curtain layer 2 in a spraying mode for 3 times in total, and finishing the preparation of the optical structure layer 3;
and S5, putting the screen after the spraying in the step S4 into a dryer for drying treatment, wherein the drying temperature is 50 ℃, and the heat preservation time is 1h, and finally obtaining the projection screen.
In the embodiment of the invention, in step S1, the curtain fabric layer 2 is prepared from the following components in percentage: 40% of silver ink, 44% of silver powder and 16% of reflective powder, and the optical structure layer 3 is prepared from the following components in parts by weight: 8 parts of isocyanate, 15 parts of polyurethane resin, 45 parts of acrylic resin, 20 parts of fluorocarbon resin, 2 parts of flatting agent, 2 parts of auxiliary agent, 3 parts of curing agent, 8 parts of inorganic nano particles, 7 parts of light stabilizer and 2 parts of combustion improver.
In the embodiment of the invention, in the step S1, the combustion improver is prepared from 40% of nano antimony trioxide, 35% of semi coke and 25% of biomass.
In the embodiment of the present invention, in step S3, when the isocyanate, the urethane resin, the acrylic resin, and the fluorocarbon resin are stirred, the inside of the stirrer is heated to gradually increase the temperature by 10 ℃ per minute until the temperature reaches 90 ℃.
In the present example, in step S3, the stirring speed of the stirrer was 5 r/S.
In the present embodiment, in step S4, after each spraying, the mixture was allowed to stand for 10 min.
Example two
The utility model provides an anti laser speckle's projection curtain surface structure, includes substrate layer 1, and the upper surface of substrate layer 1 is provided with one deck curtain cloth layer 2, and the upper surface of curtain cloth layer 2 is provided with one deck optical structure layer 3.
In the embodiment of the invention, the thickness of the substrate layer 1 is set to be 4mm, the thickness of the curtain fabric layer 2 is set to be 0.8mm, and the thickness of the optical structure layer 3 is 0.9 mm.
In the embodiment of the invention, the preparation method of the projection curtain surface structure for resisting laser speckles comprises the following steps:
s1, preparing materials of a curtain cloth layer 2 and an optical structure layer 3, wherein the curtain cloth layer 2 comprises silver ink, silver powder and reflective powder, and the curtain cloth layer 2 is prepared from the following components in percentage: 45% of silver ink, 50% of silver powder and 5% of reflective powder, wherein the optical structure layer 3 is prepared from the following components in parts by weight: 12 parts of isocyanate, 19 parts of polyurethane resin, 55 parts of acrylic resin, 44 parts of fluorocarbon resin, 7 parts of flatting agent, 8 parts of auxiliary agent, 11 parts of curing agent, 22 parts of inorganic nano particles, 14 parts of light stabilizer and 10 parts of combustion improver;
s2, putting the silver ink, the silver powder and the reflective powder into a mixer, stirring and mixing for 5min, then putting the mixed raw materials onto a screen mesh for screening, wherein the mesh number of the screen mesh is 800 meshes, and after the screen mesh is finished, uniformly coating the screened raw materials onto the base material layer 1 by using a brush to finish the preparation of the curtain cloth layer 2;
s3, putting isocyanate, polyurethane resin, acrylic resin and fluorocarbon resin into a stirrer, stirring for 25min, sequentially adding a flatting agent, an auxiliary agent, a curing agent, a light stabilizer and a combustion improver after stirring, continuously stirring for 15min, and finally adding inorganic nanoparticles and stirring for 8 min;
s4, putting the stirred raw materials into a vessel in the step S3, naturally cooling the raw materials to room temperature, spraying the raw materials onto the curtain layer 2 in a spraying mode for 4 times in total, and finishing the preparation of the optical structure layer 3;
and S5, putting the screen after the spraying in the step S4 into a dryer for drying treatment, wherein the drying temperature is 60 ℃, and the heat preservation time is 2 hours, and finally obtaining the projection screen.
In the embodiment of the invention, in the step S1, the combustion improver is prepared from 40% of nano antimony trioxide, 35% of semi coke and 25% of biomass.
In the embodiment of the present invention, in step S3, when the isocyanate, the urethane resin, the acrylic resin, and the fluorocarbon resin are stirred, the inside of the stirrer is heated to gradually increase the temperature at 14 ℃ per minute until the temperature reaches 100 ℃.
In the present example, in step S3, the stirring speed of the stirrer was 9 r/S.
In the present embodiment, in step S4, after each spraying, the mixture was allowed to stand for 18 min.
EXAMPLE III
The utility model provides an anti laser speckle's projection curtain surface structure, includes substrate layer 1, and the upper surface of substrate layer 1 is provided with one deck curtain cloth layer 2, and the upper surface of curtain cloth layer 2 is provided with one deck optical structure layer 3.
In the embodiment of the invention, the thickness of the substrate layer 1 is set to be 3mm, the thickness of the curtain cloth layer 2 is set to be 0.7mm, and the thickness of the optical structure layer 3 is 0.7 mm.
In the embodiment of the invention, the preparation method of the projection curtain surface structure for resisting laser speckles comprises the following steps:
s1, preparing materials of a curtain cloth layer 2 and an optical structure layer 3, wherein the curtain cloth layer 2 comprises silver ink, silver powder and reflective powder, and the curtain cloth layer 2 is prepared from the following components in percentage: 43% of silver ink, 48% of silver powder and 9% of reflective powder, wherein the optical structure layer 3 is prepared from the following components in parts by weight: 10 parts of isocyanate, 17 parts of polyurethane resin, 50 parts of acrylic resin, 30 parts of fluorocarbon resin, 5 parts of flatting agent, 5 parts of auxiliary agent, 7 parts of curing agent, 15 parts of inorganic nano particles, 10 parts of light stabilizer and 6 parts of combustion improver;
s2, putting the silver ink, the silver powder and the reflective powder into a mixer, stirring and mixing for 5min, then putting the mixed raw materials onto a screen mesh for screening, wherein the mesh number of the screen mesh is 700 meshes, and after the screen mesh is finished, uniformly coating the screened raw materials onto the base material layer 1 by using a brush to finish the preparation of the curtain cloth layer 2;
s3, putting isocyanate, polyurethane resin, acrylic resin and fluorocarbon resin into a stirrer, stirring for 23min, sequentially adding a flatting agent, an auxiliary agent, a curing agent, a light stabilizer and a combustion improver after stirring, continuously stirring for 13min, and finally adding inorganic nanoparticles and stirring for 7 min;
s4, putting the stirred raw materials into a vessel in the step S3, naturally cooling the raw materials to room temperature, spraying the raw materials onto the curtain layer 2 in a spraying mode for 4 times in total, and finishing the preparation of the optical structure layer 3;
and S5, putting the screen after the spraying in the step S4 into a dryer for drying treatment, wherein the drying temperature is 55 ℃, and the heat preservation time is 2 hours, and finally obtaining the projection screen.
In the embodiment of the invention, in the step S1, the combustion improver is prepared from 40% of nano antimony trioxide, 35% of semi coke and 25% of biomass.
In the embodiment of the present invention, in step S3, when the isocyanate, the urethane resin, the acrylic resin, and the fluorocarbon resin are stirred, the inside of the stirrer is heated to gradually increase the temperature at 12 ℃ per minute until the temperature reaches 95 ℃.
In the present example, in step S3, the stirring speed of the stirrer was 7 r/S.
In the present example, in step S4, after each spraying, the mixture was allowed to stand for 15 min.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 (10)
1. The utility model provides an anti laser speckle's projection curtain surface structure which characterized in that: the curtain fabric comprises a substrate layer (1), wherein the upper surface of the substrate layer (1) is provided with a curtain fabric layer (2), and the upper surface of the curtain fabric layer (2) is provided with an optical structure layer (3).
2. The projection curtain surface structure of claim 1, wherein the projection curtain surface structure is resistant to laser speckle, and comprises: the thickness of substrate layer (1) sets up to 2 ~ 4mm, the thickness of curtain cloth layer (2) sets up to 0.6 ~ 0.8mm, the thickness of optical structure layer (3) is 0.5 ~ 0.9 mm.
3. The projection curtain surface structure resisting laser speckle as claimed in any one of claims 1 to 2, characterized in that the preparation method comprises the following steps:
s1, preparing materials of a curtain cloth layer (2) and an optical structure layer (3), wherein the components of the curtain cloth layer (2) comprise silver ink, silver powder and reflective powder, and the components of the curtain cloth layer (2) are prepared from the following components in percentage: 40-45% of silver ink, 44-50% of silver powder and 5-16% of reflective powder, wherein the optical structure layer (3) comprises isocyanate, polyurethane resin, acrylic resin, fluorocarbon resin, a flatting agent, an auxiliary agent, a curing agent, inorganic nanoparticles, a light stabilizer and a combustion improver, and the optical structure layer (3) is prepared from the following components in parts by weight: 8-12 parts of isocyanate, 15-19 parts of polyurethane resin, 45-55 parts of acrylic resin, 20-44 parts of fluorocarbon resin, 2-7 parts of flatting agent, 2-8 parts of auxiliary agent, 3-11 parts of curing agent, 8-22 parts of inorganic nanoparticles, 7-14 parts of light stabilizer and 2-10 parts of combustion improver;
s2, putting the silver ink, the silver powder and the reflective powder into a mixer, stirring and mixing for 5min, then putting the mixed raw materials onto a screen mesh for screening, wherein the mesh number of the screen mesh is 600-800 meshes, and after the screen mesh is finished, uniformly coating the screened raw materials on a substrate layer (1) by using a brush to finish the preparation of a curtain cloth layer (2);
s3, putting isocyanate, polyurethane resin, acrylic resin and fluorocarbon resin into a stirrer, stirring for 20-25 min, sequentially adding a flatting agent, an auxiliary agent, a curing agent, a light stabilizer and a combustion improver after stirring, then continuously stirring for 10-15 min, and finally adding inorganic nanoparticles and stirring for 5-8 min;
s4, putting the stirred raw materials into a vessel in the step S3, naturally cooling the vessel to room temperature, spraying the raw materials onto the curtain layer (2) in a spraying mode for 3-4 times in total, and finishing the preparation of the optical structure layer (3);
and S5, putting the screen after the spraying in the step S4 into a dryer for drying treatment, wherein the drying temperature is 50-60 ℃, and the heat preservation time is 1-2 hours, and finally obtaining the projection screen.
4. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S1, the curtain cloth layer (2) is prepared from the following components in percentage: 40% of silver ink, 44% of silver powder and 16% of reflective powder, and the optical structure layer (3) is prepared from the following components in parts by weight: 8 parts of isocyanate, 15 parts of polyurethane resin, 45 parts of acrylic resin, 20 parts of fluorocarbon resin, 2 parts of flatting agent, 2 parts of auxiliary agent, 3 parts of curing agent, 8 parts of inorganic nano particles, 7 parts of light stabilizer and 2 parts of combustion improver.
5. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S1, the curtain cloth layer (2) is prepared from the following components in percentage: 45% of silver ink, 50% of silver powder and 5% of reflective powder, wherein the optical structure layer (3) is prepared from the following components in parts by weight: 12 parts of isocyanate, 19 parts of polyurethane resin, 55 parts of acrylic resin, 44 parts of fluorocarbon resin, 7 parts of flatting agent, 8 parts of auxiliary agent, 11 parts of curing agent, 22 parts of inorganic nano particles, 14 parts of light stabilizer and 10 parts of combustion improver.
6. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S1, the curtain cloth layer (2) is prepared from the following components in percentage: 43% of silver ink, 48% of silver powder and 9% of reflective powder, wherein the optical structure layer (3) is prepared from the following components in parts by weight: 10 parts of isocyanate, 17 parts of polyurethane resin, 50 parts of acrylic resin, 30 parts of fluorocarbon resin, 5 parts of flatting agent, 5 parts of auxiliary agent, 7 parts of curing agent, 15 parts of inorganic nano particles, 10 parts of light stabilizer and 6 parts of combustion improver.
7. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S1, the combustion improver is prepared from 40% of nano antimony trioxide, 35% of semi-coke and 25% of biomass.
8. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S3, when the isocyanate, the urethane resin, the acrylic resin, and the fluorocarbon resin are stirred, the inside of the stirrer is heated to gradually increase the temperature at 10 to 14 ℃ per minute until the temperature reaches 90 to 100 ℃.
9. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S3, the stirring speed of the stirrer is 5 to 9 r/S.
10. The method for preparing the projection curtain surface structure for resisting laser speckle according to claim 3, wherein the method comprises the following steps: in the step S4, after each spraying, the mixture is kept stand for 10-18 min.
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