CN107515513A - A kind of transparent UV resistance projection screen and preparation method thereof - Google Patents

A kind of transparent UV resistance projection screen and preparation method thereof Download PDF

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Publication number
CN107515513A
CN107515513A CN201710711789.5A CN201710711789A CN107515513A CN 107515513 A CN107515513 A CN 107515513A CN 201710711789 A CN201710711789 A CN 201710711789A CN 107515513 A CN107515513 A CN 107515513A
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particle
support layer
nano
transparent
projection screen
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孙绪刚
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Shanghai Lanmou Multimedia Technology Co Ltd
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Shanghai Lanmou Multimedia Technology Co Ltd
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

The present invention relates to a kind of projection screen, a kind of more particularly to transparent UV resistance projection screen and preparation method thereof, the transparent UV resistance projection screen includes the first support layer, transparent image thin film sandwich and the second support layer from top to bottom stacked gradually, the transparent image thin film sandwich includes resin and nano-particle, the resin is one kind in PVB resin, EVA resin or SGP resins, and the nano-particle distribution density is 0.008 1.6g/mmm2, the nano-particle is (1 81) by mass ratio：9 titanium dioxide nano-particle forms with inorganic salt nanometer particle；Compared with prior art, the first support layer in the present invention with the second support layer is two-sided is coated with anti-reflection membrane material, transparency, the definition of its obtained projection screen imaging are high, and production efficiency height, technique is simple, is with a wide range of applications.

Description

A kind of transparent UV resistance projection screen and preparation method thereof
Technical field
The present invention relates to a kind of projection screen, more particularly to a kind of transparent UV resistance projection screen and preparation method thereof.
Background technology
At present, overhead projector and slide projector are used as a kind of speaker in the side of the occasion display material such as meeting extensively Formula.Equally, also it is widely used in using the video projector of liquid crystal and motion picture projector in average family.The projection of these projecting apparatus Method includes being modulated from the light of light source output to form image light with porjection type liquid crystal surface etc., and passes through lens etc. Optical system launches image light, so as to project on screen.The wavelength of shortwave light close to the ultraviolet of projector is determined During adopted 10-400 nanometers, ultraviolet will diffusing reflection to human body, so as to do harm to huamn body.
Traditional projection screen major part primary colours are white, and the 3D rendering reflexed in human eye is to integrate to misplace by 3D glasses The image of projection forms third dimension, and not only wearing spectacles are inconvenient, and imaging definition is low, and the color of signal in itself cannot be true Reduction, contrast and image depth are all inadequate, it is impossible to reach the standard of advertisement media and the industry of other practicality.
China Patent Publication No. is that CN103472667B discloses a kind of transparent UV resistance projection screen, but wherein nano-particle The manufacture craft of interlayer falls behind relatively, is only applicable to a small amount of production by hand, and production efficiency is low, can not be applied to batch production and Industrialization；And nano-particle dispersing technology in interlayer is excessively simple, nano-particle is disperseed in interlayer uneven, influence transparent The effect of imaging.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of transparent UV resistance projection screen and preparation method, present invention side Method production efficiency is high, and cost is low, and preparation technology is simple, and transparency is high, definition is high, it is had wider application.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of transparent UV resistance projection screen, including the first support layer, the transparent image film folder from top to bottom stacked gradually Layer and the second support layer, the transparent image thin film sandwich include resin and nano-particle, and the resin is PVB resin (poly- second Enol butyral), in EVA resin (ethylene-vinyl acetate copolymer) or SGP resins (ethylene-methacrylic acid copolymer) One kind, the nano-particle distribution density is 0.008-1.6g/mmm2(thickness 1mm, area 1m2Transparent image it is thin 0.008-1.6g nano-particles are uniformly distributed in film interlayer), the nano-particle is (1-81) by mass ratio：9 titanium dioxide Nano-particle forms with inorganic salt nanometer particle.
Compared with prior art, the beneficial effects of the invention are as follows：
Product of the present invention can be widely used for house ads, building glass, vehicle window GPS and the field such as show, not only manufacture Simpler, production efficiency is high, cost is low, and transparency and definition are higher, and transparent image effect is more notable, by receiving Rice corpuscles Rayleigh (Rayleigh) is scattering into as that can directly display 2.5D or 3D images, and without 3D glasses, observer can produce 2.5D the or 3D images for injecting projection screen are seen in any position in front of product, and use is more convenient, while nano-particle is in printing opacity In the case of can absorb ultraviolet, effectively avoid ultraviolet diffusing reflection to do harm to huamn body with human body.
In a kind of preferred embodiment of foregoing invention, a diameter of 20-100nm of the titanium dioxide nano-particle, institute The a diameter of 100-300nm of inorganic salt nanometer particle is stated, the titanium dioxide nano-particle is anatase titanium dioxide crystalline texture and/or golden red Stone-type crystalline texture, the inorganic salt nanometer particle are barium sulfate nanoparticles, barium carbonate nano-particle and calcium carbonate nano grain One or more of mixtures in the nano-particle of son.
Beneficial effect using above-mentioned preferred scheme is：Nano-particle Rayleigh (Rayleigh) scattering imaging effect can be made more It is good, moreover it is possible to significantly more efficient absorption ultraviolet, and decomposed using harmful substance in photocatalysis catalyst chamber, clean room Nei Jia The pernicious gases such as aldehyde, benzene, use are safer.
In a kind of preferred embodiment of foregoing invention, the thickness of the transparent image thin film sandwich is 0.05- 10mm。
Beneficial effect using above-mentioned preferred scheme is：And can be effectively ensured product transparency and definition it is higher, thoroughly Bright imaging effect is more notable, and can preferably absorb ultraviolet.
In a kind of preferred embodiment of foregoing invention, first support layer and second support layer are clear glass Plate, transparent polymethacrylates plate or clear polycarbonate plate, its thickness are 0.1-20mm.
Beneficial effect using above-mentioned preferred scheme is：Both it can guarantee that the first support layer and the second support layer can be realized pair The supporting function of projection screen, and can be effectively ensured product transparency and definition it is higher, transparent image effect is more notable, and And it can preferably absorb ultraviolet.
The present invention provides a kind of preparation method of transparent UV resistance projection screen, comprises the following steps：
A, by the nano-particle of 0.001-0.2 parts by weight, the dispersant of 0.001-0.004 parts by weight, 0.001-0.01 weights Measure the coupling agent of part and the solvent of 16-30 parts by weight carries out ultrasonic disperse, obtain nanoparticle dispersion liquid；
B, by the resin of 100 parts by weight, the antioxidant of 0.1-5 parts by weight, the plasticizer of 0-45 parts by weight, 0.1-5 weights The light stabilizer of part is measured, the crosslinking agent of 0-5 parts by weight carries out batch mixing with the nanoparticle dispersion liquid obtained in step A, mediated, then Stretched and extruded by screw extruder, and cooling and shaping is carried out on curtain coating chill roll, obtaining nano-particle distribution density is 0.008~1.6g/mmm2Transparent image thin film sandwich；
C, the first support layer and the second support layer are made according to thickness requirements, and it is two-sided in the first support layer with Coating Materials With the second support layer is two-sided carries out plating anti-reflection film, first support layer, the second support layer is thin with the transparent image respectively Film interlayer is merged both sides up and down, produces transparent UV resistance projection screen.
In a kind of preferred embodiment of foregoing invention, in step the coupling agent include N- (β-aminoethyl)-γ- Aminopropyl trimethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy silicane and γ- One or more of mixtures in (methacryloxypropyl) propyl trimethoxy silicane；The dispersant include polyphosphoric acid type, One or more of mixtures in polysilicon acid class, polycarboxylic acid, polyesters, polyethers hyper-dispersant, the solvent be methanol, One or more of mixtures in ethanol and acetone.
Beneficial effect using above-mentioned preferred scheme is：Nano-particle can be made more uniformly to disperse in a solvent, more Add nanoparticle dispersion liquid that is simple, being quickly obtained stable homogeneous.
In a kind of preferred embodiment of foregoing invention, the ultrasonic disperse frequency is 20-2000KHz in step, point It is 20-600min to dissipate the time.
Beneficial effect using above-mentioned preferred scheme is：The agglomeration traits of nano-particle can be effectively improved, make nanometer TiO 2 particles and inorganic salt particle are more uniformly dispersed in transparent image thin film sandwich, have obtained projection screen There is more excellent transparent image effect.
In a kind of preferred embodiment of foregoing invention, the antioxidant is four [β-(bis- tertiary fourths of 3,5- in stepb Base -4- hydroxy phenyls) propionic acid] pentaerythritol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol ester, phosphorous One or more of mixtures in the double octadecyls of sour three (2,4- di-tert-butyls) esters, thio-2 acid；
The plasticizer includes dialkyl ester, bialkyl ortho phthalate, the adipic acid dioxane of triethylene glycol or tetraethylene glycol One or more of mixtures in base ester, DAS di alkyl sebacate or tricresyl phosphate organic ester, preferably triethylene glycol di-isooctyl, four The heptanoate of glycol two, dihexyl adipate or dihexyl sebacate；
The light stabilizer is 2-hydroxy-4-n-octoxybenzophenone, double (2,2,6,6- tetramethyl -4- piperidyls) last of the ten Heavenly stems Two acid esters, double (1,2,2,6,6- pentamethyl -4- piperidyls) sebacates and poly- (1- ethoxy -2,2,6,6- tetramethyl -4- hydroxyls Phenylpiperidines) one or more of mixtures in succinate；
The crosslinking agent is organic peroxide class, preferably 2,5- dimethyl -2,5- di-t-butyl hexane peroxide, 1,1- Cyclohexane di-tert-butyl peroxide, dicumyl peroxide, tert-butyl hydroperoxide -3,5,5 Trimethylhexanoic acid ester, t-butyl peroxy Change one or more of mixtures in carbonic acid -2- ethylhexyls.
Beneficial effect using above-mentioned preferred scheme is：Make obtained projection screen that there is more excellent durability, use Life-span is longer.
In a kind of preferred embodiment of foregoing invention, the Coating Materials described in step C be magnesium fluoride, titanium dioxide, One or more of mixtures in vulcanized lead, lead selenide
Beneficial effect using above-mentioned preferred scheme is：The transmission of throw light can effectively be increased, reduce throw light Reflection, the light intensity into transparent image thin film sandwich is improved, so as to which the transparency of product and definition be effectively ensured more Height, transparent image effect is more notable, and can preferably absorb ultraviolet.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of transparent UV resistance projection screen prepared by the present invention；
In accompanying drawing, the part representated by each label is as follows：
1st, the first support layer, 2, nano-particle, 3, transparent image thin film sandwich, the 4, second support layer.
Embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit Determine the scope of the present invention.
Embodiment 1
A, by nano-titania particle that 0.0001g average diameters are 20nm, (titanium dioxide nano-particle is anatase titanium dioxide Crystalline texture and/or rutile-type crystalline texture) and 0.0009g average diameters be 100nm barium sulfate nanoparticles, 0.001g Polyesters hyper-dispersant, 0.001g are 1 in mass ratio:1 mixing N- (β-aminoethyl)-γ-aminopropyltrimethoxysilanes and γ-(methacryloxypropyl) propyl trimethoxy silicane and 16g methanol disperse 20min with frequency 20KHz ultrasonic wave, are received Rice corpuscles dispersion liquid；
B, it is 100gPVB resins, 0.1g β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol ester, 20g tri- is sweet Alcohol di-isooctyl, 0.1g in mass ratio 1：The 2-hydroxy-4-n-octoxybenzophenone of 1 mixing and it is double (2,2,6,6- tetramethyls- 4- piperidyls) sebacate carries out batch mixing with the nanoparticle dispersion liquid in step A, mediated, then is stretched by screw extruder Extrusion, and cooling and shaping is carried out on curtain coating chill roll, it is 0.05mm to obtain thickness, and nano-particle distribution density is 0.008g/ mm·m2Transparent image thin film sandwich 3；
C, the first support layer 1 and the second support layer 4 that thickness is respectively 0.1mm transparency glass plates are made according to demand, its It is consistent with the geomery of transparent image thin film sandwich 3, and with magnesium fluoride the first support layer 1 with the second support layer 4 is two-sided carries out Anti-reflection film is plated, described first the 1, second support layer 4 of support is melted both sides with the transparent image thin film sandwich about 3 respectively Close, produce transparent UV resistance projection screen.
Embodiment 2
A, by nano-titania particle that 0.09g average diameters are 100nm, (titanium dioxide nano-particle is anatase titanium dioxide knot Crystal structure and/or rutile-type crystalline texture) and 0.01g average diameters be 300nm in mass ratio 1:The barium sulphate nano of 1 mixing Particle and calcium carbonate nano particle, 0.003g polyethers hyper-dispersant, 0.01g γ-glycidyl ether oxygen propyl trimethoxy silicon Alkane and the mixing of 23g ethanol disperse 310min with frequency 1000KHz ultrasonic wave, obtain nanoparticle dispersion liquid；
B, 100gPVB resins, 5g phosphorous acid three (2,4- di-tert-butyls) ester, 45g tetraethylene glycol diheptanoates, 5g are pressed into matter Measure ratio 1:Double (1,2,2,6,6- pentamethyl -4- piperidyls) sebacates and the poly- (1- ethoxy -2,2,6,6- tetramethyls of 1 mixing Base -4- hydroxy piperidines) nanoparticle dispersion liquid in succinate and step A carries out batch mixing, mediated, then passes through Screw Extrusion Machine stretching extrusion, and cooling and shaping is carried out on curtain coating chill roll, it is 10mm to obtain thickness, and nano-particle distribution density is 0.8g/mm·m2Transparent image thin film sandwich 3；
C, the first support layer 1 and the second support layer 4 that thickness is respectively 20mm clear polycarbonate plates are made according to demand, It is consistent with the geomery of transparent image thin film sandwich 3, and with titanium dioxide in 1 two-sided and the second support layer 4 of the first support layer Plating anti-reflection film is carried out, about 3 both sides with the transparent image thin film sandwich respectively by first support layer 1, the second support layer 4 Merged, produce transparent UV resistance projection screen.
Embodiment 3
A, by nano-titania particle that 0.1g average diameters are 60nm, (titanium dioxide nano-particle is anatase titanium dioxide crystallization Structure and/or rutile-type crystalline texture) and 0.1g average diameters be 200nm in mass ratio 1:1:The barium sulphate nano of 1 mixing Particle, barium carbonate nano-particle and calcium carbonate nano particle, 0.004g polycarboxylic acids hyper-dispersant, 0.005g in mass ratio 1:1 Gamma-aminopropyl-triethoxy-silane and γ-glycidyl ether oxygen propyl trimethoxy silicane and 30g the acetone mixing of mixing, and 600min is disperseed with frequency 2000KHz ultrasonic wave, obtains nanoparticle dispersion liquid；
B, by 100gPVB resins, 2.5g in mass ratio 1:Four [β-(3,5- di-tert-butyl-hydroxy phenyls) third of 1 mixing Acid] pentaerythritol ester and thio-2 acid double octadecyl, 32g dihexyl adipates, 2.5g in mass ratio 1:1:The 2- of 1 mixing Hydroxyl -4- oxy-octyl benzophenones, bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate and double (1,2,2,6,6- five Methyl -4- piperidyls) nanoparticle dispersion liquid in sebacate, with step A carries out batch mixing, mediated, then passes through Screw Extrusion Machine stretching extrusion, and cooling and shaping is carried out on curtain coating chill roll, it is 5mm to obtain thickness, and nano-particle distribution density is 1.6g/ mm·m2Transparent image thin film sandwich 3；
C, the first support layer 1 and second that thickness is respectively the transparent polymethacrylates plates of 10mm are made according to demand Layer 4 is held, it is consistent with the geomery of transparent image thin film sandwich 3, and with vulcanized lead in 1 two-sided and the second support of the first support layer Layer 4 it is two-sided carries out plating anti-reflection film, by first support layer 1, the second support layer 4 respectively with the transparent image thin film sandwich 3 Upper and lower both sides are merged, and produce transparent UV resistance projection screen.
Embodiment 4
Substantially the same manner as Example 1, difference is that raw material components in stepb and dosage are different, specific as follows： 100gEVA resins, 0.1g2,5- dimethyl -2,5- di-t-butyl hexane peroxide, 0.1g β-(3,5- di-t-butyl -4- hydroxyls Phenyl) propionic acid octadecanol ester and 0.1g in mass ratio 1：The 2-hydroxy-4-n-octoxybenzophenone of 1 mixing and it is double (2,2, 6,6- tetramethyl -4- piperidyls) sebacate.
Embodiment 5
Substantially the same manner as Example 2, difference is that raw material components in stepb and dosage are different, specific as follows： 100gEVA resins, 5g1,1- cyclohexane di-tert-butyl peroxides, (2, the 4- di-tert-butyl) ester of 5g phosphorous acid three and 5g press quality Than 1：Double (1,2,2,6,6- pentamethyl -4- piperidyls) sebacates of 1 mixing and it is poly- (1- ethoxy -2,2,6,6- tetramethyls - 4- hydroxy piperidines) succinate.
Embodiment 6
Substantially the same manner as Example 3, difference is that raw material components in stepb and dosage are different, specific as follows： 100gEVA resins, 2.5g dicumyl peroxides, 2.5g in mass ratio 1：Four [β-(3,5- di-t-butyl -4- hydroxy benzenes of 1 mixing Base) propionic acid] the double octadecyls of pentaerythritol ester and thio-2 acid and 2.5g in mass ratio 1：1：2- hydroxyls-the 4- of 1 mixing is just Octyloxybenzophenone, bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate and double (1,2,2,6,6- pentamethyl -4- piperazines Piperidinyl) sebacate.
Embodiment 7
Substantially the same manner as Example 1, difference is that raw material components in stepb and dosage are different, specific as follows： 100gSGP resins, 0.1g β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester and 0.1g in mass ratio 1:1 is mixed The 2-hydroxy-4-n-octoxybenzophenone of conjunction, bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate.
Embodiment 8
Substantially the same manner as Example 2, difference is that raw material components in stepb and dosage are different, specific as follows： 100gSGP resins, (2, the 4- di-tert-butyl) ester of 5g phosphorous acid three and 5g in mass ratio 1:Double (1,2,2,6,6- five of 1 mixing Methyl -4- piperidyls) sebacate and poly- (1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines) succinate.
Embodiment 9
Substantially the same manner as Example 3, difference is that raw material components in stepb and dosage are different, specific as follows： 100gSGP resins, 2.5g in mass ratio 1:Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythrites of 1 mixing Ester and the double octadecyls of thio-2 acid and 2.5g in mass ratio 1:1:The 2-hydroxy-4-n-octoxybenzophenone, double of 1 mixing (2,2,6,6- tetramethyl -4- piperidyls) sebacate and double (1,2,2,6,6- pentamethyl -4- piperidyls) sebacates.
Product light transmittance of the present invention prepared by embodiment 1 to embodiment 9 is 95-99%, and absorption of UV is up to 80- 92%, existing product light transmittance is 60-70%, absorption of UV up to 30-40%, with specific reference to product of the present invention with it is existing Product watches film Experimental comparison by projection screen, and picture is presented clear when watching film by the projection screen of the present invention, And glasses are not dry and astringent, without the sensation of dizziness headache, and film watched by the projection screen of existing product glasses just occur Dry and astringent, dizziness headache sensation, and picture is not clear enough, and product of the present invention is hardly damaged in transportation in addition, there is one Fixed mechanical strength, its preparation method is simple, is easy to mass production, and the daily yield of production line can reach 900-1100 Square metre.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (9)

  1. A kind of 1. transparent UV resistance projection screen, it is characterised in that including from top to bottom stack gradually the first support layer (1), thoroughly Bright imaging thin film sandwich (3) and the second support layer (4), the transparent image thin film sandwich (3) include resin and nano-particle (2), the resin is one kind in PVB resin, EVA resin or SGP resins, and nano-particle (2) distribution density is 0.008-1.6g/mm·m2, the nano-particle (2) is (1-81) by mass ratio：9 titanium dioxide nano-particle and inorganic salts Nano-particle forms.
  2. A kind of 2. transparent UV resistance projection screen according to claim 1, it is characterised in that the titanium dioxide nano-particle A diameter of 20-100nm, a diameter of 100-300nm of the inorganic salt nanometer particle, the titanium dioxide nano-particle is sharp Titanium-type crystalline texture and/or rutile-type crystalline texture, the inorganic salt nanometer particle is barium sulfate nanoparticles, barium carbonate is received One or more of mixtures in rice corpuscles and calcium carbonate nano particle.
  3. A kind of 3. transparent UV resistance projection screen according to claim 1, it is characterised in that the transparent image film The thickness of interlayer (3) is 0.05-10mm.
  4. A kind of 4. transparent UV resistance projection screen according to claim 1, it is characterised in that first support layer (1) with Second support layer (4) is that transparency glass plate, transparent polymethacrylates plate or clear polycarbonate plate, its thickness are 0.1-20mm。
  5. 5. a kind of preparation method of transparent UV resistance projection screen, it is characterised in that comprise the following steps：
    A, by the nano-particle of 0.001-0.2 parts by weight, the dispersant of 0.001-0.004 parts by weight, 0.001-0.01 parts by weight Coupling agent and 16-30 parts by weight solvent carry out ultrasonic disperse, obtain nanoparticle dispersion liquid；
    B, by the resin of 100 parts by weight, the antioxidant of 0.1-5 parts by weight, the plasticizer of 0-45 parts by weight, 0.1-5 parts by weight Light stabilizer, the crosslinking agents of 0-5 parts by weight carries out batch mixing with the obtained nanoparticle dispersion liquids of step A, mediated, then passes through spiral shell Bar extruder stretching extrusion, and cooling and shaping is carried out on curtain coating chill roll, obtain nano-particle distribution density for 0.008~ 1.6g/mm·m2Transparent image thin film sandwich (3)；
    C, the first support layer (1) and the second support layer (4) are made according to thickness requirements, and with Coating Materials in the first support layer (1) it is two-sided with the second support layer (4) is two-sided carries out plating anti-reflection film, first support layer (1), the second support layer (4) are distinguished Merged both sides up and down with the transparent image thin film sandwich (3), produce transparent UV resistance projection screen.
  6. 6. preparation method according to claim 5, it is characterised in that in step, the coupling agent includes N- (β-ammonia Ethyl)-γ-aminopropyltrimethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy One or more of mixtures in silane and γ-(methacryloxypropyl) propyl trimethoxy silicane；The dispersant includes One or more of mixtures in polyphosphoric acid type, polysilicon acid class, polycarboxylic acid, polyester, polyether-type hyper-dispersant, the solvent For one or more of mixtures in methanol, ethanol and acetone.
  7. 7. preparation method according to claim 5, it is characterised in that in step, the ultrasonic disperse frequency is 20- 2000KHz, jitter time 20-600min.
  8. 8. preparation method according to claim 5, it is characterised in that in stepb, the antioxidant be four [β-(3, 5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol One or more of mixtures in the double octadecyls of ester, phosphorous acid three (2,4- di-tert-butyls) ester, thio-2 acid；
    The plasticizer include the dialkyl ester of triethylene glycol or tetraethylene glycol, bialkyl ortho phthalate, hexanedioic acid dialkyl ester, One or more of mixtures in DAS di alkyl sebacate or tricresyl phosphate organic ester, preferably triethylene glycol di-isooctyl, tetraethylene glycol Two heptanoates, dihexyl adipate or dihexyl sebacate；
    The light stabilizer is 2-hydroxy-4-n-octoxybenzophenone, double (2,2,6,6- tetramethyl -4- piperidyls) decanedioic acid Ester, double (1,2,2,6,6- pentamethyl -4- piperidyls) sebacates and poly- (1- ethoxy -2,2,6,6- tetramethyl -4- hydroxyl piperazines Pyridine) one or more of mixtures in succinate；
    The crosslinking agent is organic peroxide class, preferably 2,5- dimethyl -2,5- di-t-butyl hexane peroxide, the uncles of 1,1- bis- Butyl peroxy hexamethylene, dicumyl peroxide, tert-butyl hydroperoxide -3,5,5 Trimethylhexanoic acid ester, tert-butyl hydroperoxide carbon One or more of mixtures in acid -2- ethylhexyls.
  9. 9. preparation method according to claim 5, it is characterised in that in step C, the Coating Materials be magnesium fluoride, One or more of mixtures in titanium dioxide, vulcanized lead, lead selenide.
CN201710711789.5A 2017-08-18 2017-08-18 A kind of transparent UV resistance projection screen and preparation method thereof Pending CN107515513A (en)

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