CN103064139B - A kind of anti scuffing optical reflectance coating and preparation method thereof - Google Patents
A kind of anti scuffing optical reflectance coating and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to optical film technology field, be specifically related to a kind of anti scuffing optical reflectance coating and preparation method thereof.In order to solve the easy scratch light guide plate of existing reflectance coating or the easy defect producing folding line or scratch of reflectance coating self, the invention provides a kind of anti scuffing optical reflectance coating and preparation method thereof.Reflectance coating provided by the invention comprises base material, and described base material is provided with particle, and described particle bonds on the substrate by adhesive layer; Described particle comprises flexible particle and inflexibility particle, and wherein, flexible particle accounts for the 40-100% of particle gross weight, and inflexibility particle accounts for the 0-60% of particle gross weight.The scratch of this reflectance coating to light guide plate obviously reduces, and the one side that reflectance coating contacts with light guide plate simultaneously also not easily produces folding line or scratch, and preparation method's technique of this reflectance coating is simple, is easy to operation.
Description
Technical field
The present invention relates to optical film technology field, be specifically related to a kind of anti scuffing optical reflectance coating and preparation method thereof.
Background technology
Backlight module is as one of the significant components of liquid crystal display, and it comprises diffusion barrier, a series of assemblies such as prismatic lens, light guide plate, reflectance coating and fluorescent tube.Because liquid crystal itself can't be luminous, backlight module just serves the effect of well-off brightness and the planar light source be evenly distributed.Reflectance coating serves the effect that the light of scattering is reflected back again light guide plate by here, and the reflection efficiency of reflectance coating directly affects utilization ratio and the brightness of light source.
In backlight module, what light guide plate was placed below is exactly reflectance coating, the material of light guide plate is generally PMMA or PC sheet material, the resistance to scratch of PMMA is more better than PC, but in price, PMMA material is more expensive than PC material, and therefore PC sheet material is having more competitiveness in price, light guide plate also thins down simultaneously, and this will ask reflectance coating minimizing scratch to light guide plate as far as possible in assembling and transportation.
In prior art, reflectance coating roughly has two kinds, and one is metallic reflective coating, and one is white plastic reflectance coating.And white plastic reflectance coating is due to the advantage in price, weight, pliability, apply more extensive.At present white plastic reflectance coating on the market adds titania in PET, and in unidirectional or biaxial orientation process, form cavity, light reflects in cavity, thus raising reflectivity.But the material of this white plastic reflectance coating is more soft, in use easily produces folding line, scratch.
Therefore, we need a kind of reflectance coating, and it not only can be made to reduce the scratch of light guide plate, also reduce the scratch of reflectance coating self simultaneously.
Summary of the invention
In order to solve the easy scratch light guide plate of existing reflectance coating or the easy defect producing folding line or scratch of reflectance coating self, the invention provides a kind of anti scuffing optical reflectance coating and preparation method thereof.The scratch of reflectance coating provided by the invention to light guide plate obviously reduces, and the one side that reflectance coating contacts with light guide plate simultaneously also not easily produces folding line or scratch, and its preparation method technique is simple, is easy to operation.
In order to solve the problems of the technologies described above, the present invention adopts following technical proposals:
The invention provides a kind of anti scuffing optical reflectance coating, described reflectance coating comprises base material, and described base material is provided with particle, and described particle bonds on the substrate by adhesive layer; Described particle comprises flexible particle and inflexibility particle, and wherein, flexible particle accounts for the 40-100% of particle gross weight, and inflexibility particle accounts for the 0-60% of particle gross weight.
The dried thickness of described adhesive layer is 1-25 μm, and the thickness of described substrate layer is 50-250 μm.Described particle and adhesive layer form protective finish.
Described particle is bonded in the surface of described base material by adhesive.Described flexible particle refers to that particle is when being subject to external force extruding, deformation can occur; Described inflexibility particle refers to that particle is when being subject to external force extruding, and the deformation that deformation or generation can not occur is less.
Further, the particle diameter of described flexible particle is 1-30 μm, and the particle diameter of described inflexibility particle is 0.1-10 μm; The dried thickness of described adhesive layer is the 1/10-8/10 of flexible particle diameter.
Preferably, the particle diameter of described flexible particle is 1-5 μm, 5-10 μm, 10-20 μm, 20-30 μm or 5-20 μm, and the particle diameter of described inflexibility particle is 0.1-1 μm, 0.5-3 μm, 1-5 μm, 3-5 μm or 5-10 μm.
Further, described flexible particle and the particle diameter of inflexibility particle are than being 2-10:1.Preferably, described flexible particle and the particle diameter of inflexibility particle are than being 2-6:1,5:1,4:1 or 3:1.
Further, described flexible particle is nylon particle, and described inflexibility particle comprises the combination of a kind of in polymethylmethacrylate particle, poly-n-butyl methacrylate particle, polystyrene particle, Silicone resin particles, TiO 2 particles, calcium carbonate particle, barium sulfate particles, silicon dioxide granule or at least two kinds.The preferred nylon-6 of described nylon particle or nylon-66.
Further, described substrate material is polyethylene terephthalate (being called for short white PET), is added with titania and barium sulphate in described base material.
Described adhesive is the combination of a kind of in adhesive for polyurethane, acrylate adhesive, epoxy resin adhesive or at least two kinds.
The present invention also provides a kind of preparation method of above-mentioned anti scuffing optical reflectance coating, and described preparation method comprises the steps:
(1) prepare coating fluid: add adhesive, particle, ultraviolet absorber, solvent successively, stir 1-3 hour;
(2) coating fluid of step (1) gained is uniformly coated on base material, at 80-120 DEG C, baking 1-30 minute.
Solvent described in above-mentioned steps (1) comprises a kind of in toluene, ethyl acetate, dimethylbenzene, butyl acetate or the wherein combination of at least two kinds.
Further, in described step (1), coating fluid comprises the adhesive of 100 weight portions, the particle of 1-35 weight portion.
Further, in described step (1), coating fluid comprises the adhesive of 100 weight portions, the particle of 1-20 weight portion.
Further, in described step (1), coating fluid comprises the adhesive of 100 weight portions, and the particle of 3-10 weight portion, described flexible particle accounts for the 50-100% of particle gross weight, and described inflexibility particle accounts for the 0-50% of particle gross weight.
Further, in described step (1), coating fluid comprises the adhesive of 100 weight portions, and 3-4 weight portion particle, described flexible particle accounts for the 65-80% of particle gross weight, and described inflexibility particle accounts for the 20-35% of particle gross weight.
Further, in described step (1), coating fluid comprises the adhesive of 100 weight portions, and 5 weight portion particles, described particle is flexible particle.Or in described step (1), coating fluid comprises the adhesive of 100 weight portions, and the particle of 10 weight portions, described particle comprises the flexible particle of 50-70%, the inflexibility particle of 30-50%.
Further, described step (1) middle-ultraviolet lamp absorbing agent (abbreviation ultraviolet absorber) accounts for the 0.01-0.05% of coating fluid general assembly (TW).
The present invention also provides a kind of anti scuffing optical reflectance coating, and described reflectance coating comprises base material, and described base material is provided with particle, and described particle bonds on the substrate by adhesive layer; The dried thickness of described adhesive layer is 1-25 μm, and the thickness of described substrate layer is 50-250 μm.Further, described particle is nylon particle.The anti scuffing better performances of this reflectance coating.
Further, the particle diameter of described nylon particle is 1-30 μm.
Further, the dried thickness of described adhesive layer is 8-15 μm, and the thickness of described substrate layer is 75-200 μm.
Further, the dried thickness of described adhesive layer is 10-20 μm, and the thickness of described substrate layer is 100-188 μm.
Compared with prior art, anti scuffing optical reflectance coating provided by the invention adopts flexible nylon particle, and when light guide plate extruding reflectance coating, certain deformation can occur the flexible particle on reflectance coating, the space of pressure is had buffering, thus reduces the scratch of light guide plate; Meanwhile, the protective finish on reflectance coating, hardness is comparatively large, has obvious scratch resistance, reduces the scratch in assembling, transport, use; In addition, base material arranges particle surface can be made more coarse, this contributes to the scattering of light, make brightness evenly; Described substrate surface is also added with ultraviolet absorber, can absorb the ultraviolet light that fluorescent tube sends, and slows down reflectance coating xanthochromia, brittle phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti scuffing optical reflectance coating provided by the invention and light guide plate;
Fig. 2 is the schematic diagram before and after flexible particle pressurized.
Wherein, 101 is base material, and 102 is adhesive layer, and 201 is flexible particle, and 202 is inflexibility particle, and 104 is light guide plate.
Embodiment
As shown in Figure 1, anti scuffing optical reflectance coating provided by the invention comprises base material 101, and described base material 101 is provided with particle, and described particle is bonded on described base material 101 by adhesive layer 102; Adhesive layer 102 is light guide plate 104, described particle comprises flexible particle 201 and inflexibility particle 202, and the particle diameter of flexible particle 201 is greater than inflexibility particle 202.
As shown in Figure 2, flexible particle 201 is when being subject to external force extruding, and deformation can occur, the particle diameter of flexible particle is greater than inflexibility particle, hinders light guide plate to avoid inflexibility particle top.
The present invention's material and facility used is current material and equipment.
The preparation method of anti scuffing optical reflectance coating provided by the invention comprises the steps:
(1) prepare coating fluid: add adhesive, particle, ultraviolet absorber, solvent successively, stir 1-3 hour;
(2) coating fluid of step (1) gained is uniformly coated on base material, at 80-120 DEG C, baking 1-30 minute.
Prepare anti scuffing optical reflectance coating according to the method described above, the method for testing of gained reflectance coating properties is summarized as follows:
Scratch degree: reflectance coating is loaded in backlight module, then the vibrations experiment that vibratory test case carries out 2 hours is put into, after in vibrations, experiment completes, light guide plate and reflectance coating are taken out, the scratch situation of observation light guide plate and the one side that reflectance coating contacts with light guide plate.
Vibrations experiment: vibration frequency 5-100HZ, 31 seconds used times, 100-5HZ, 31 seconds used times (that is: with 31 second time, vibration frequency rises to 100HZ by 5HZ, then uses 31 second time, drops to 5HZ by 100HZ).Level, vertical direction respectively shakes 1 hour.
Transmittance and mist degree: measure according to being GB/T2410-2008 standard, testing tool is NDH5000HazeMeter nephelometer/turbidimeter.
Embodiment 1
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, and thickness is 150 μm, and white PET is provided with protective finish, and coating adhesive used is adhesive for polyurethane, and adhesive is 100 weight portions, and particle is 35 weight portions.Described particle comprises the silicon dioxide granule accounting for particle gross weight 20%, and its particle diameter is 5 μm; Account for the nylon particle of particle gross weight 80%, its particle diameter is 10 μm.The dried thickness of adhesive layer is 8 μm.
Embodiment 2
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, and thickness is 188 μm, and white PET is provided with protective finish, and coating adhesive used is acrylate adhesive, and adhesive is 100 weight portions, and particle is 25 weight portions.Particle comprises the barium sulfate particles accounting for particle gross weight 10%, and its particle diameter is 3 μm; Account for the TiO 2 particles of particle gross weight 10%, its particle diameter is 1 μm; Account for the nylon particle of particle gross weight 80%, its particle diameter is 10 μm.The dried thickness of adhesive layer is 6-8 μm.
Embodiment 3
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, and thickness is 100 μm, and white PET is provided with protective finish, and coating adhesive used is acrylate adhesive, and adhesive is 100 weight portions, and particle is 35 weight portions.Particle comprises the TiO 2 particles accounting for particle gross weight 5%, and its particle diameter is 5 μm; Account for PMMA (polymethylmethacrylate) particle of particle gross weight 30%, its particle diameter is 10 μm; Account for the nylon particle of particle gross weight 65%, its particle diameter is 20 μm.The dried thickness of adhesive layer is 10-16 μm.
Embodiment 4
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 50 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the nylon particle of 1 weight portion, its particle diameter is 1-30 μm, and the dried thickness of adhesive layer is 2-3 μm, is 1/10 of flexible particle diameter substantially.
Embodiment 5
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 250 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the particle of 20 weight portions, wherein, flexible particle is nylon particle, particle diameter is 5-30 μm, accounts for 40% of particle gross weight, and inflexibility particle is poly-n-butyl methacrylate particle, particle diameter is 0.5-3 μm, account for 60% of particle gross weight, described nylon particle is 10:1 with the mean grain size ratio of poly-n-butyl methacrylate particle, and the dried thickness of adhesive layer is 25 μm.
Embodiment 6
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 150 μm, in described step (1), coating fluid comprises the epoxy resin adhesive of 100 weight portions, the particle of 20 weight portions, wherein, flexible particle is nylon-6 particle, particle diameter is 1-10 μm, accounts for 60% of particle gross weight, and inflexibility particle is polystyrene particle, particle diameter is 0.1-1 μm, account for 40% of particle gross weight, described nylon particle is 2-10:1 with the particle diameter ratio of polystyrene particle, and the dried thickness of adhesive layer is 8 μm.
The scratch degree of table 1 embodiment 1-6 gained reflectance coating and optical performance test data
Embodiment 7
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, titania and barium sulphate is added with in base material, the thickness of base material is 100 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the particle of 8 weight portions, wherein, the particle diameter of flexible particle is 1-30 μm, account for 80% of particle gross weight, inflexibility particle is Silicone resin particles, particle diameter is 0.1-5 μm, account for 20% of particle gross weight, described flexible particle is 8:1 with the mean grain size ratio of Silicone resin particles, the dried thickness of adhesive layer is 15 μm, 6/10 of flexible particle diameter.
Embodiment 8
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 75 μm, in described step (1), coating fluid comprises the epoxy resin adhesive of 100 weight portions, the particle of 15 weight portions, wherein, flexible particle is nylon-66, particle diameter is 10-20 μm, account for 50% of particle gross weight, inflexibility particle is TiO 2 particles and calcium carbonate particle (mass ratio is 1:1), particle diameter is 3-5 μm, account for 50% of particle gross weight, described nylon particle is 4:1 with the mean grain size ratio of inflexibility particle, the dried thickness of adhesive layer is 7-10 μm, 5/10 of flexible particle diameter.
Embodiment 9
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 75 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the particle of 20 weight portions, wherein, flexible particle is nylon-6 particle, and particle diameter is 20-30 μm, accounts for 90% of particle gross weight, inflexibility particle is barium sulfate particles, particle diameter is 5-10 μm, accounts for 10% of particle gross weight, and described nylon particle is 2-6:1 with the particle diameter ratio of barium sulfate particles, the dried thickness of adhesive layer is 8-10 μm, is 3/10 of flexible particle diameter.
Embodiment 10
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, titania and barium sulphate is added with in base material, the thickness of base material is 200 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the particle of 3 weight portions, wherein, flexible particle is nylon particle, particle diameter is 5-30 μm, account for 50% of particle gross weight, inflexibility particle is Silicone resin particles and TiO 2 particles (mass ratio is 1:1), particle diameter is 0.5-3 μm, account for 50% of particle gross weight, the dried thickness of adhesive layer is 15 μm.
Embodiment 11
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 120 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the nylon particle of 8 weight portions, the particle diameter of particle is 1-30 μm, and the dried thickness of adhesive layer is 12 μm.
Embodiment 12
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, and thickness is 150 μm, in described step (1), coating fluid comprises the acrylate adhesive of 100 weight portions, the particle of 10 weight portions, wherein, flexible particle is nylon particle, particle diameter is 1-30 μm, account for 70% of particle gross weight, inflexibility particle is silicon dioxide granule, and particle diameter is 0.1-10 μm, account for 30% of particle gross weight, the dried thickness of adhesive layer is 8-10 μm.
The scratch degree of table 2 embodiment 7-12 gained reflectance coating and optical performance test data
Embodiment 13
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 100 μm, in described step (1), coating fluid comprises the acrylate adhesive of 100 weight portions, the particle of 3 weight portions, and ultraviolet absorber, wherein, flexible particle is nylon particle, particle diameter is 10-20 μm, account for 70% of particle gross weight, inflexibility particle is polymethylmethacrylate particle and TiO 2 particles (mass ratio is 1:2), particle diameter is 1-5 μm, account for 30% of particle gross weight, described nylon particle is 6:1 with the mean grain size ratio of inflexibility particle, described ultraviolet absorber accounts for 0.01% of coating fluid general assembly (TW), the dried thickness of adhesive layer is 10-12 μm.
Embodiment 14
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 188 μm, in described step (1), coating fluid comprises the epoxy resin adhesive of 100 weight portions, the particle of 3 weight portions and ultraviolet absorber, wherein, flexible particle is nylon particle, particle diameter is 10-20 μm, account for 65% of particle gross weight, inflexibility particle is TiO 2 particles, particle diameter is 1-5 μm, account for 35% of particle gross weight, described nylon particle is 6:1 with the mean grain size ratio of TiO 2 particles, described ultraviolet absorber accounts for 0.05% of coating fluid general assembly (TW), the dried thickness of adhesive layer is 10-16 μm.
Embodiment 15
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 128 μm, in described step (1), coating fluid comprises the acrylate adhesive of 100 weight portions, the particle of 4 weight portions and ultraviolet absorber, wherein, flexible particle is nylon particle, particle diameter is 10-20 μm, account for 80% of particle gross weight, inflexibility particle is polymethylmethacrylate particle, particle diameter is 1-3 μm, account for 20% of particle gross weight, described nylon particle is about 6:1 with the mean grain size ratio of polymethylmethacrylate particle, described ultraviolet absorber accounts for 0.03% of coating fluid general assembly (TW), the dried thickness of adhesive layer is 12-15 μm.
Embodiment 16
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, titania and barium sulphate is added with in base material, the thickness of base material is 50 μm, in described step (1), coating fluid comprises the epoxy resin adhesive of 100 weight portions, the flexible particle of 5 weight portions, and ultraviolet absorber, the particle diameter of particle is 5-20 μm, described ultraviolet absorber accounts for 0.02% of coating fluid general assembly (TW), the dried thickness of adhesive layer is 1-2 μm, and the dried thickness of adhesive layer is 1/10 of flexible particle diameter.
Embodiment 17
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 100 μm, in described step (1), coating fluid comprises the acrylate adhesive of 100 weight portions, the particle of 10 weight portions, and ultraviolet absorber, wherein, flexible particle is nylon particle, particle diameter is 1-30 μm, account for 70% of particle gross weight, inflexibility particle is polymethylmethacrylate particle, particle diameter is 0.1-10 μm, account for 30% of particle gross weight, described flexible particle is 10-3:1 with the particle diameter ratio of inflexibility particle, described ultraviolet absorber accounts for 0.04% of coating fluid general assembly (TW), the dried average thickness of adhesive layer is 12 μm.
Embodiment 18
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 188 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the particle of 10 weight portions, and ultraviolet absorber, wherein, flexible particle is nylon particle, particle diameter is 1-20 μm, account for 50% of particle gross weight, inflexibility particle is Silicone resin particles, particle diameter is 0.1-5 μm, account for 50% of particle gross weight, described flexible particle is 2-10:1 with the particle diameter ratio of inflexibility particle, described ultraviolet absorber accounts for 0.03% of coating fluid general assembly (TW), the dried thickness of adhesive layer is 10-16 μm.
The scratch degree of table 3 embodiment 13-18 gained reflectance coating and optical performance test data
Comparative example 1
The E6D6 reflectance coating that toray Co., Ltd. produces.
Comparative example 2
The UX188 reflectance coating that Teijin Ltd of Japan produces.
Comparative example 3
This comparative example is base materials employed is white PET, and base material thickness is 188 μm, and white PET is provided with protective finish, and coating adhesive used is acrylate adhesive, and adhesive is 100 weight portions, and particle is 30 weight portions.Particle comprises the titania accounting for total number of particles 20%, and its particle diameter is 2 μm; Account for PMMA (polymethylmethacrylate) particle of total number of particles 80%, its particle diameter is 12 μm, and the dried thickness of adhesive layer is 11 μm.
Not containing flexible particle in described protective seam, gained reflectance coating anti scuffing poor-performing.
Comparative example 4
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, and thickness is 100 μm, and described base material does not arrange protective finish.
Be not provided with protective finish in described reflectance coating, the optical property of gained reflectance coating is close with reflectance coating provided by the invention, but anti scuffing poor-performing.
Comparative example 5
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 250 μm, in described step (1), coating fluid comprises the adhesive for polyurethane of 100 weight portions, the particle of 1 weight portion, wherein, flexible particle is nylon particle, particle diameter is 5-30 μm, account for 30% of particle gross weight, the particle diameter of poly-n-butyl methacrylate particle is 0.5-2 μm, accounts for 70% of particle gross weight, described nylon particle is 10:1 with the mean grain size ratio of poly-n-butyl methacrylate particle, and the dried thickness of adhesive layer is 25 μm.
In described protective finish, nylon particle content is too low, reflectance coating anti scuffing poor-performing.
Comparative example 6
Prepare anti scuffing optical reflectance coating according to the method described above, base materials employed is white PET, thickness is 150 μm, in described step (1), coating fluid comprises the epoxy resin adhesive of 100 weight portions, the particle of 20 weight portions, wherein, described particle comprises PET particle and polystyrene particle, the particle diameter of described PET particle is 5-10 μm, account for 60% of particle gross weight, the particle diameter of polystyrene particle is 1-5 μm, accounts for 40% of particle gross weight, described PET particle is 2:1 with the mean grain size ratio of polystyrene particle, and the dried thickness of adhesive layer is 8 μm.
In described protective finish, flexible particle is PET particle, and its compressive deformation ability is poor, gained reflectance coating anti scuffing poor-performing.
The scratch degree of the reflectance coating described in table 4 comparative example 1-6 and optical performance test data
Test result from table 1 to table 4 can draw; when the particulate material in protective finish is suitable, addition is appropriate; whether reflectance coating is coated with protective finish; its mist degree, transmittance are without significant change; namely one deck protective finish is coated with on the reflecting film, can be anti-scratch, and on optical property substantially without impact; anti scuffing optical reflectance coating provided by the invention, while having better optical property, has excellent anti scuffing performance.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Every equalization done according to content of the present invention changes and modifies, and is all encompassed in the scope of the claims of the present invention.
Claims (2)
1. an anti scuffing optical reflectance coating, is characterized in that, described reflectance coating comprises base material, and described base material is provided with particle, and described particle bonds on the substrate by adhesive layer; Wherein, base materials employed is white PET, and thickness is 100 μm, and white PET is provided with protective finish, and coating adhesive used is acrylate adhesive, and adhesive is 100 weight portions, and particle is 35 weight portions; Particle comprises the TiO 2 particles accounting for particle gross weight 5%, and its particle diameter is 5 μm; Account for the PMMA particle of particle gross weight 30%, its particle diameter is 10 μm; Account for the nylon particle of particle gross weight 65%, its particle diameter is 20 μm; The dried thickness of adhesive layer is 10-16 μm.
2. the preparation method of anti scuffing optical reflectance coating according to claim 1, is characterized in that, described preparation method comprises the steps:
(1) prepare coating fluid: add adhesive, particle, ultraviolet absorber, solvent successively, stir 1-3 hour;
(2) coating fluid of step (1) gained is uniformly coated on base material, at 80-120 DEG C, baking 1-30 minute.
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| CN106903958B (en) * | 2016-03-07 | 2019-09-13 | 宁波长阳科技股份有限公司 | A kind of fitting reflectance coating and preparation method thereof |
| CN106772722A (en) * | 2016-12-29 | 2017-05-31 | 张家港康得新光电材料有限公司 | Diffusion barrier, backlight module and display device |
| CN107656331A (en) * | 2017-11-10 | 2018-02-02 | 合肥合纵光电科技股份有限公司 | A kind of wear-resisting high transflector piece |
| CN111239874A (en) * | 2018-11-29 | 2020-06-05 | 宁波长阳科技股份有限公司 | Top white resistant composite reflecting plate |
| JP7055784B2 (en) * | 2018-12-13 | 2022-04-18 | キヤノン化成株式会社 | Surface anti-reflection paint and surface anti-reflection coating for atomization coating |
| CN114686065A (en) * | 2020-12-28 | 2022-07-01 | 宁波激智科技股份有限公司 | Lambertian reflector plate and preparation method thereof |
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| CN1649734A (en) * | 2002-05-02 | 2005-08-03 | 帝人杜邦菲林日本株式会社 | Laminated film for optical use |
| CN102508323A (en) * | 2011-11-25 | 2012-06-20 | 宁波长阳科技有限公司 | Composite reflective film and preparation method thereof |
| CN102778712A (en) * | 2012-08-02 | 2012-11-14 | 昆山乐凯锦富光电科技有限公司 | Optical diffusion barrier |
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| CN103064139A (en) | 2013-04-24 |
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