CN105001609A - Light diffusion plate masterbatch, light diffusion plate and manufacturing method thereof - Google Patents
Light diffusion plate masterbatch, light diffusion plate and manufacturing method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
- C08J2425/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
-
- 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
Abstract
The invention relates to a light diffusion plate masterbatch, which comprises the following raw materials by weight percentage: 80+/-5% of resin, 16+/-3% of a diffusion agent, 2+/-1% of a light homogenizing agent and 2+/-1% of a dispersant. The diffusion agent is: PMMA diffusion particles; or organosilicon diffusion particles; or organosilicon and PMMA mixed particles, which contain 8+/-1.5% of organosilicon particles and 8+/-1.5% of PMMA particles; preferably, the resin is PC, PMMA or PS; and preferably, the diffusion particles in the diffusion agent is added in equal proportion according to the particle sizes of 2micrometers, 5 micrometers and 10 micrometers. The light diffusion plate made from the light diffusion plate masterbatch combines the low cost and excellent performance of light transmittance, haze, uniformity, brightness and the like.
Description
Technical field
The present invention relates to a kind of light diffusing sheet master batch, light diffusing sheet and manufacture method thereof.
Background technology
PC, PMMA or PS light diffusing sheet is by adding light diffusing agent in PC, PMMA or PS resin, light diffusing agent is spherical in shape, be dispersed in resin, form chain type island structure, due to PC, PMMA, or PS resin is different with the exponent of refractive index of light diffusing agent, light is in the light diffusing agent similar specular reflection in surface and refraction and scattering.As shown in Figure 1, after the light that LED light source component 3 sends enters light diffusing sheet 2, light diffusion effect is reached through light diffusing agent particulate 1 multiple reflections, refraction. thus realize straight-down negative line source or LED point light source to be converted into uniform area source, thus meet the optical demands in flat illumination and LCD TV backlight source.The addition of light diffusing agent, size and distribution, exponent of refractive index determine the optical property of material.The index evaluating photodiffusion material optical property comprises full light transmittance, mist degree, uniformity coefficient, wherein all degree, front face brightness etc.Pointolite or the line source of straight-down negative irradiate to surrounding, before getting back to after the luminous reflectance irradiated from behind, to reflect if light above exceedes critical angle, such light is before multiple reflection process arrives again, and some refractions will occur other light of diffuser plate, inner to diffuser plate, behind diffuser plate inside, meet with diffusant, carry out reflection repeatedly and astigmatism, in this process, surface is maintained certain brightness.How to accomplish diffuser panel material high transmission rate, haze, this is a difficult point.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of light diffusing sheet master batch, light diffusing sheet and manufacture method thereof are provided, to improve the optical property of diffuser plate for TV display or illumination.
For achieving the above object, the present invention is by the following technical solutions:
A kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 80 ± 5%, diffusant 16 ± 3%, even photo etching and dispersion agent each 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 8 ± 1.5%, PMMA particulate 8 ± 1.5%.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.
A kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 16 ± 3%, Photoresist 3 ± 1.5%, even photo etching 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 8 ± 1.5%, PMMA particulate 8 ± 1.5%;
Preferably, described Photoresist is titanium oxide.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.
A kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 6 ± 3%, Photoresist 3 ± 1.5%, even photo etching 1 ± 0.5%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 3 ± 1.5%, PMMA particulate 3 ± 1.5;
Preferably, described Photoresist is calcium carbonate.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.
A kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 18 ± 3%, Photoresist 3 ± 1.5%, even photo etching 2 ± 0.5%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 9 ± 1.5%, PMMA particulate 9 ± 1.5;
Preferably, described Photoresist is calcium carbonate.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant is the single particle size of 2um-10um.
A kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 18%, Photoresist 3 ± 1.5%, even photo etching 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 9 ± 1.5%, PMMA particulate 9 ± 1.5;
Preferably, described Photoresist is titanium oxide.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant is the single particle size of 2um-10um.
A kind of light diffusing sheet master batch manufacture method, manufactures described light diffusing sheet master batch according to the formula of any one light diffusing sheet master batch aforementioned.
A manufacture method for light diffusing sheet, uses any one light diffusing sheet master batch aforementioned to make described light diffusing sheet.
A kind of light diffusing sheet is the light diffusing sheet manufactured by the manufacture method of aforementioned light diffusing sheet.
Adopt light diffusing sheet master batch of the present invention, the light diffusing sheet made can take into account low cost and the better performance in transmittance, mist degree, uniformity coefficient, brightness etc., can adapt to well as light conditions such as short OD direct-light-type backlights, have larger advantage for the quality requirements meeting the products such as super-thin plane TV and illumination.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that diffusion occurs through diffusion particulate in diffuser plate for diffuser plate and light.
Embodiment
Below embodiments of the present invention are elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
In certain embodiments, a kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 80 ± 5%, diffusant 16 ± 3%, even photo etching and dispersion agent each 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 8 ± 1.5%, PMMA particulate 8 ± 1.5%.
Preferably, described resin is PC, PMMA or PS.
Wherein, be the hybrid fine particles formula of organic silicone microparticle 8 ± 1.5% and PMMA particulate 8 ± 1.5% for diffusant, this light diffusing sheet formula of master batch can take into account cost, mist degree, transparence over-all properties.
Above-described embodiment is as shown in table 1.
The mix proportion scheme of table 1 light diffusing sheet master batch
In a further embodiment, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.Corresponding embodiment is as shown in table 2.By the masterbatch mix of these different-grain diameters in diffusant, can make light that complicated reflection and refraction effect occur in diffuser plate, make the irradiant mist degree in front higher, dispersed better, can short OD direct-light-type backlight be tackled, and better meet the requirement of super-thin plane etc.
The mix proportion scheme of table 2 diffusant mixing particle diameter
In certain embodiments, a kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 16 ± 3%, Photoresist 3 ± 1.5%, even photo etching 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 8 ± 1.5%, PMMA particulate 8 ± 1.5%;
Preferably, described Photoresist is titanium oxide.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.Corresponding embodiment is as shown in table 3.
Table 3 is containing the mix proportion scheme of the diffusant mixing particle diameter of titanium oxide Photoresist
In certain embodiments, a kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 6 ± 3%, Photoresist 3 ± 1.5%, even photo etching 1 ± 0.5%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 3 ± 1.5%, PMMA particulate 3 ± 1.5;
Preferably, described Photoresist is calcium carbonate.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.Corresponding embodiment is as shown in table 4.
Table 4 is containing the mix proportion scheme of the mixing particle diameter diffusant of calcium carbonate Photoresist
The diffusion master batch scheme of adding portion Photoresist as shown in table 3, table 4, has remarkable advantage for tackling oversize 55 " more than, and 42 " following diffuser plate, and effectively meets low-cost backlight source demand.
In certain embodiments, a kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 18 ± 3%, Photoresist 3 ± 1.5%, even photo etching 2 ± 0.5%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 9 ± 1.5%, PMMA particulate 9 ± 1.5;
Preferably, described Photoresist is calcium carbonate.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant is the single particle size of 2um-10um.Corresponding embodiment is as shown in table 5.
Table 5 is containing the mix proportion scheme of the single particle size diffusant of calcium carbonate Photoresist
Table 6 is containing the mix proportion scheme of the single particle size diffusant of titanium oxide Photoresist
In certain embodiments, a kind of light diffusing sheet master batch, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 18%, Photoresist 3 ± 1.5%, even photo etching 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 9 ± 1.5%, PMMA particulate 9 ± 1.5;
Preferably, described Photoresist is titanium oxide.
Preferably, described resin is PC, PMMA or PS.
Further, the diffusion particulate in described diffusant is the single particle size of 2um-10um.Corresponding embodiment is as above shown in table 6.
According to above-described embodiment, diffusant is uniformly dispersed in the resins such as PC, PMMA, PS, has excellent thermostability, is applicable to various polymer processing methodology (as extrude, injection moulding); Significantly improve light diffusivity (>95%), maintain higher transmittance (>75%) simultaneously; To resin, there is toughening effect, while significantly improving the resistance to impact shock of resin, other performance can not be affected; Improve the processing characteristics of diffuser plate; By adjusting the proportional arrangement of light diffusion master batch and resin, the product of different mist degree and transmittance can be obtained; Different colour temperatures and color developing effect can be regulated according to demand.
Dispersion agent effectively can reduce the viscosity of material, thus improves the flow characteristics of material, and mixing time and energy expenditure are declined.Owing to making powder material be uniformly dispersed, improve the affinity of each storeroom, processing characteristics is improved, the quality between each batch is comparatively stable, and outward appearance and the cross section quality of goods all increase.
Added to by even photo etching in resin solidification agent composition, the straight rays that LED can be sent carries out diffuse-reflectance at even photosphere, thus forms whole of the surface uniformly light-emitting of luminescent characters, and the luminous bright spot of the LED that can't see the inside, significantly improve display effect.
In further embodiments, a kind of light diffusing sheet master batch manufacture method, manufactures described light diffusing sheet master batch according to the formula of any one light diffusing sheet master batch aforementioned.
Fill a prescription for the example 18 of table 6 containing the single particle size diffusion particle of Photoresist titanium oxide, making step is exemplified below:
Prepare the resin (selecting PS) of 77 mass parts; the titanium oxide of 3 mass parts, the 5um organosilicon diffusant of 9 mass parts, the 5um PMMA diffusant of 9 mass parts; the even photo etching of 2 mass parts; the dispersion agent Homogeneous phase mixing of 2 mass parts is good, then joins in dual-screw pelletizer, passes through preheating; heat up; insulation, is delivered to twin-screw extrusion die head, thus processes granular diffusion master batch.Wherein temperature controlling range is 60-240 °.
In further embodiments, a kind of manufacture method of light diffusing sheet, uses any one light diffusing sheet master batch aforementioned to make described light diffusing sheet.Its process comprises and uses diffuser plate master batch and the mixing of this material and the technological process such as twin-screw extruder is shaping, known to those skilled in the artly knows.Along the light diffusing sheet master batch made by example, the manufacture of light diffusing sheet is exemplified below:
The resin (as PS) of diffusion master batch 4 amount part, 96 mass parts is mixed, put in feeding funnel, mediated by the common rail of getting to know of extruding remaining on 220-245 ° of temperature, the exhaust port temperatures simultaneously keeping former material to produce gas in heat fusion remains in 190-240 ° of interval, thus obtains the diffuser plate of 1.5 mm thick.Equally, with the diffusion master batch of 6 mass parts together with the resin PS Homogeneous phase mixing of 94 mass parts, by diffuser plate extrusion shaping machine, the diffuser plate of 1.2 mm of thickness can be obtained.Like this, although the variable thickness sample of diffuser plate, the diffusant deal contained in unit surface is close, thus optical effect is not variant because of variation in thickness.
In further embodiments, a kind of light diffusing sheet is the light diffusing sheet manufactured by the manufacture method of aforementioned light diffusing sheet.
Above content combines concrete/preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; its embodiment that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. a light diffusing sheet master batch, is characterized in that, comprises following raw material by weight percentage:
Resin 80 ± 5%, diffusant 16 ± 3%, even photo etching and dispersion agent each 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 8 ± 1.5%, PMMA particulate 8 ± 1.5%;
Preferably, described resin is PC, PMMA or PS;
Preferably, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.
2. a light diffusing sheet master batch, is characterized in that, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 16 ± 3%, Photoresist 3 ± 1.5%, even photo etching 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 8 ± 1.5%, PMMA particulate 8 ± 1.5%;
Preferably, described Photoresist is titanium oxide;
Preferably, described resin is PC, PMMA or PS;
Preferably, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.
3. a light diffusing sheet master batch, is characterized in that, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 6 ± 3%, Photoresist 3 ± 1.5%, even photo etching 1 ± 0.5%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 3 ± 1.5%, PMMA particulate 3 ± 1.5;
Preferably, described Photoresist is calcium carbonate;
Preferably, described resin is PC, PMMA or PS;
Preferably, the diffusion particulate in described diffusant adds according to the particle diameter equal proportion of 2um, 5um, 10um.
4. a light diffusing sheet master batch, is characterized in that, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 18 ± 3%, Photoresist 3 ± 1.5%, even photo etching 2 ± 0.5%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 9 ± 1.5%, PMMA particulate 9 ± 1.5;
Preferably, described Photoresist is calcium carbonate;
Preferably, described resin is PC, PMMA or PS;
Preferably, the diffusion particulate in described diffusant is the single particle size of 2um-10um.
5. a light diffusing sheet master batch, is characterized in that, comprises following raw material by weight percentage:
Resin 77 ± 5%, diffusant 18%, Photoresist 3 ± 1.5%, even photo etching 2 ± 1%;
Described diffusant is: PMMA spreads particulate; Or organosilicon diffusion particulate; Or the hybrid fine particles of organosilicon and PMMA, comprise organic silicone microparticle 9 ± 1.5%, PMMA particulate 9 ± 1.5;
Preferably, described Photoresist is titanium oxide;
Preferably, described resin is PC, PMMA or PS;
Preferably, the diffusion particulate in described diffusant is the single particle size of 2um-10um.
6. a light diffusing sheet master batch manufacture method, is characterized in that, manufactures described light diffusing sheet master batch according to the formula of light diffusing sheet master batch described in any one of claim 1-5.
7. a manufacture method for light diffusing sheet, is characterized in that, uses light diffusing sheet master batch described in any one of claim 1-5 to make described light diffusing sheet.
8. a light diffusing sheet, is characterized in that, is the light diffusing sheet manufactured by the manufacture method of light diffusing sheet according to claim 7.
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| CN106405698A (en) * | 2016-11-23 | 2017-02-15 | 江苏裕兴薄膜科技股份有限公司 | Preparation method of high-transmittance high-haze light diffusion film |
| CN106519623A (en) * | 2016-10-18 | 2017-03-22 | 青岛海信电器股份有限公司 | Halation material, preparing method, electronic light guide equipment |
| CN108467552A (en) * | 2018-04-18 | 2018-08-31 | 惠州市创亿达新材料有限公司 | Light diffusion master batch and preparation method thereof |
| CN109337227A (en) * | 2018-10-10 | 2019-02-15 | 佛山市顺德区德联邦盛光电科技有限公司 | A kind of shock proof diffuser plate |
| CN109438832A (en) * | 2018-10-08 | 2019-03-08 | 江苏恒隆通新材料科技有限公司 | A kind of light diffusing sheet and preparation method thereof and preparation method thereof |
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| CN110204839A (en) * | 2019-06-13 | 2019-09-06 | 惠州市凯帝智光电科技有限公司 | It is a kind of with high shielding, high brightness, high uniformity multifunctional optical composite plate |
| CN110655774A (en) * | 2019-07-23 | 2020-01-07 | 佛山市鑫桥科技有限公司 | High-reflection PC reflection master batch and preparation method thereof |
| CN110903565A (en) * | 2019-11-28 | 2020-03-24 | 常州奥智高分子新材料有限公司 | Material for diffusion plate and preparation method thereof |
| CN111732823A (en) * | 2020-07-07 | 2020-10-02 | 佛山市德联邦盛光电科技股份有限公司 | SEBS toughened diffuser plate |
| CN113885112A (en) * | 2021-11-09 | 2022-01-04 | 江西盛汇光学科技协同创新有限公司 | High-transmittance and high-haze light diffusion plate and manufacturing method thereof |
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