CN106398011A - Diffuser plate capable of eliminating blue light and manufacturing method thereof - Google Patents
Diffuser plate capable of eliminating blue light and manufacturing method thereof Download PDFInfo
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- CN106398011A CN106398011A CN201610434856.9A CN201610434856A CN106398011A CN 106398011 A CN106398011 A CN 106398011A CN 201610434856 A CN201610434856 A CN 201610434856A CN 106398011 A CN106398011 A CN 106398011A
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- blue light
- diffuser plate
- ceo2
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- 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
-
- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a diffuser plate capable of eliminating blue light and a manufacturing method thereof, belonging to the technical field of photoelectric materials. The diffuser plate capable of eliminating blue light is prepared from polystyrene GPPS 1050 used as a main raw material, a diffusing agent dorning(R)30-424 and a light scattering agent SMS@CeO2 (cerium dioxide) with blue light shielding effect by using a certain process. The light scattering agent SMS@CeO2 (cerium dioxide) can absorb blue light, convert the blue light into other visible light and eliminate light, with a wavelength of 450 to 455 nm or a wavelength of 455 to 460 nm, doing harm to the eyes of human beings in the diffuser plate. Compared with a reference organosilicon material, the diffusing agent dorning(R)30-424 can achieve identical glare elimination effect and good light scattering effect at a low application amount and is applicable to occasions requiring uniform medium diffusion and high haze. The light scattering agent and the diffusing agent are combined by using a chemical modification method, so the prepared diffuser plate has a good blue light eliminating function, and large-scale and continuous production of the diffuser plate can be realized; and the diffuser plate is applicable to blue light eliminating members of transmission screens, illuminating devices, lighting-decorative boards and the like of LED backlight and projection TVs, etc.
Description
Technical field
The present invention relates to a kind of manufacture method removing blue light diffuser plate, belong to optoelectronic materials technology, be widely used as
The light diffusing sheet of the rear projection screen of the backlight of liquid crystal display, projection TV etc., ligthing paraphernalia, lamp decoration billboard etc..
Background technology
In recent years, traditional type light fixture and light source were all gradually replaced by LED product, LED light source due to its low energy consumption,
Low in calories, environmental protection, life-span length and favored, simultaneously because its excellent performance, in the backlight of liquid crystal display, projection TV etc.
A lot of aspect such as rear projection screen, ligthing paraphernalia, lamp decoration billboard has very big application, meanwhile, signal designation, green display,
Special lighting etc. also has very potential greatly using value.Why the white light of LED light source transmitting can be formed mainly is leaned on 450
The blue light excitated fluorescent powder of～455NM wavelength, its medium wavelength lower percussion ability is stronger.But scientific investigations showed that, these are big
The high energy shortwave blue light of amount irregular frequency, has very high energies, can penetrate the through retina of crystalline lenses, blue light illumination view
Film can produce free radical, and these free radicals can lead to retinal pigment epithelium to become feeble and die, and the decline of epithelial cell can lead to
Photosensitive cell lacks nutrient thus causing vision impairment, directly causes irreversible injury to ocular nerve, and blue light even meeting
Lead to macular diseases and dyssomnias.Generally LED light source dispatch from the factory wavelength control within 500NM, usually 450～
455NM or 455～460NM, broadly falls into radiation injury section the strongest.And the LED light source applications time is longer, in light source
Fluorescent material decay faster, result may result in human eye contact blue wave band illumination more and more stronger, thus making to human eye
Become injury.As can be seen here, commonly using with LED product, blue light negatively affects to produced by human body, certainly will become wide
The big major issue that must be paid close attention to using consumer and worry.So, how solution in terms of product structure design, product accessories etc.
The certainly problem of described blue light, it will become the critical bottleneck of propulsion LED industry development.
Content of the invention
It is an object of the invention to provide a kind of have shielding or remove diffuser plate of blue light action and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is：
One kind removes blue light diffuser plate, removes blue light diffuser plate with polystyrene GPPS1050 as primary raw material, adds diffusant
Dorning (R) 30-424 is made with the light diffusing agent SMS CeO2 with blue light shielding action, and its constituent is：Poly-
940 ~ 950 parts of styrene GPPS1050,4 ~ 5 parts of diffusant dorning (R) 30-424 and the light expansion with blue light shielding action
55 ~ 60 parts of powder SMS@CeO2.
The constituent of the described light diffusing agent SMS CeO2 with blue light shielding action includes：SMS 0.5g, anhydrous second
Alcohol 60ml, six water cerous nitrate 1.3251 ~ 1.3871g, hexamethylenetetramine 2.1189 ~ 2.2198g, deionized water
40ml；Its preparation process is：Weigh 0.5gSMS microsphere powder body, be scattered in the anhydrous alcohol of 60ML, disperseed by Agitated vessel；
Molar concentration rate is 1：5 six water cerous nitrates and hexamethylenetetramine are scattered in 40ML deionized water, mechanical agitation；
By scattered two parts of solution mixing, under the conditions of magnetic agitation, 75 DEG C in the water-bath at react 2h, will reaction gained precipitation
Thing centrifuge washing, dries then at 80 DEG C and grinds, be calcined through 200-250 DEG C, obtain SMS@C in Muffle furnaceeO2Composite balls.
Present invention also offers a kind of manufacture method removing blue light diffuser plate, comprise the steps：
（1）Premixing：By 90 ~ 100 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 with blue light shielding action
In 55 ~ 60 parts of input batch mixer hoppers, add 4 ~ 5 parts of diffusant dorning (R) 30-424, through fully stirring in batch mixer
Mix, make polystyrene GPPS1050 surface in the presence of diffusant dorning (R) 30-424, be uniformly stained with blue screen
Cover the light diffusing agent ceria SMS@CeO2 of effect；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）Fully stir in the particle of extrusion and 840 ~ 850 parts of input batch mixers of polystyrene GPPS1050
Mix；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
Described comminutor can be single screw rod comminutor, dual-screw pelletizer or multiscrew comminutor.
The temperature of described extruder is set as：One 240～250 DEG C of area's temperature, two 250～260 DEG C of area's temperature, three area's temperature
260～270 DEG C, four 270～280 DEG C of area's temperature, five 270～280 DEG C of area's temperature, six 270～280 DEG C of area's temperature, die head temperature
For 270～280 DEG C, the time of staying 1～2min, pressure is 2～2.5MPa；Extrusion diffusion plate thickness is 1～5mm.
The invention has the beneficial effects as follows：With polystyrene GPPS1050 for diffuser plate primary raw material, add diffusant
Dorning (R) 30-424 makes through certain technique with light diffusing agent SMS CeO2 (ceria) with blue light shielding action
Form, wherein, light diffusing agent SMS@CeO2 (ceria) can absorb blue light and be converted into other visible rays, remove in diffuser plate
450 455 nm that human eye is harmful to or the section of 455 460 nm wavelength；Diffusant dorning (R) 30-424 and base
Quasi- organosilicon material is compared, and less usage amount can obtain equal dazzle eradicating efficacy and good light diffusion effect,
Entirely spectrally there is good uniformity, light diffusing is uniformly and the impact to required mechanical performance is little it is adaptable to requirement is uniform
Medium Diffusion and the occasion of haze；And two kinds of light diffusing agents are combined by the method for chemical modification, synthesize masterbatch, through mixed
Conjunction, pelletize, extrusion products obtained therefrom, this product not only includes the advantage of two kinds of light diffusing agents itself, and obtained by the present invention
Light diffusing sheet has and preferably goes blue light function.Additionally, this manufacture method is simple to operate, and cost of material is economical, can advise
Modelling, continuous prodution.Gained light diffusing sheet of the present invention is suitable as the transmission-type screen of the backlight of liquid crystal display, projection TV etc.
Curtain, ligthing paraphernalia, lamp decoration billboard etc. remove blue light component.
Specific embodiment
Below by example, the present invention is described in further details, these examples are only used for the present invention is described, do not limit
The scope of the present invention processed；
Embodiment 1
A kind of manufacture method removing blue light diffuser plate, comprises the steps：
（1）Premixing：By 90 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 55 with blue light shielding action
In part input batch mixer hopper, add 4 parts of diffusant dorning (R) 30-424, through being sufficiently stirred in batch mixer, make to gather
Styrene GPPS1050 surface, in the presence of diffusant dorning (R) 30-424, is uniformly stained with and has blue light shielding action
Light diffusing agent ceria SMS@CeO2；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）It is sufficiently stirred in the particle of extrusion and 840 parts of input batch mixers of polystyrene GPPS1050；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
Embodiment 2
（1）Premixing：By 100 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 60 with blue light shielding action
In part input batch mixer hopper, add 5 parts of diffusant dorning (R) 30-424, through being sufficiently stirred in batch mixer, make to gather
Styrene GPPS1050 surface, in the presence of diffusant dorning (R) 30-424, is uniformly stained with and has blue light shielding action
Light diffusing agent ceria SMS@CeO2；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）It is sufficiently stirred in the particle of extrusion and 850 parts of input batch mixers of polystyrene GPPS1050；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
Embodiment 3
（1）Premixing：By 95 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 58 with blue light shielding action
In part input batch mixer hopper, add 4 parts of diffusant dorning (R) 30-424, through being sufficiently stirred in batch mixer, make to gather
Styrene GPPS1050 surface, in the presence of diffusant dorning (R) 30-424, is uniformly stained with and has blue light shielding action
Light diffusing agent ceria SMS@CeO2；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）It is sufficiently stirred in the particle of extrusion and 845 parts of input batch mixers of polystyrene GPPS1050；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
Embodiment 4
（1）Premixing：By 92 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 58 with blue light shielding action
In part input batch mixer hopper, add 5 parts of diffusant dorning (R) 30-424, through being sufficiently stirred in batch mixer, make to gather
Styrene GPPS1050 surface, in the presence of diffusant dorning (R) 30-424, is uniformly stained with and has blue light shielding action
Light diffusing agent ceria SMS@CeO2；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）It is sufficiently stirred in the particle of extrusion and 843 parts of input batch mixers of polystyrene GPPS1050；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
Embodiment 5
（1）Premixing：By 97 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 53 with blue light shielding action
In part input batch mixer hopper, add 4 parts of diffusant dorning (R) 30-424, through being sufficiently stirred in batch mixer, make to gather
Styrene GPPS1050 surface, in the presence of diffusant dorning (R) 30-424, is uniformly stained with and has blue light shielding action
Light diffusing agent ceria SMS@CeO2；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）It is sufficiently stirred in the particle of extrusion and 847 parts of input batch mixers of polystyrene GPPS1050；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
The above, be only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above make a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification that above example is made, all still falls within the range of technical solution of the present invention.
Claims (5)
1. one kind remove blue light diffuser plate it is characterised in that：Go blue light diffuser plate with polystyrene GPPS1050 as primary raw material, add
Plus diffusant dorning (R) the 30-424 and light diffusing agent SMS CeO2 with blue light shielding action is made, it forms into
It is divided into：940 ~ 950 parts of polystyrene GPPS1050,4 ~ 5 parts of diffusant dorning (R) 30-424 make with having blue light shielding
55 ~ 60 parts of light diffusing agent SMS@CeO2.
2. according to claim 1 one kind remove blue light diffuser plate it is characterised in that：The described light with blue light shielding action expands
The constituent of powder SMS@CeO2 includes：SMS 0.5g, dehydrated alcohol 60ml, six water cerous nitrates 1.3251 ~
1.3871g, hexamethylenetetramine 2.1189 ~ 2.2198g, deionized water 40ml；Its preparation process is：Weigh 0.5gSMS micro-
Ball powder body, is scattered in the anhydrous alcohol of 60ML, is disperseed by Agitated vessel；Molar concentration rate is 1：5 six water cerous nitrates
It is scattered in 40ML deionized water with hexamethylenetetramine, mechanical agitation；By two parts of scattered solution mixing, stir in magnetic force
Under the conditions of mixing, 75 DEG C in the water-bath at react 2h, will reaction gained precipitate centrifuge washing, dry then at 80 DEG C and grind, then
It is calcined through 200-250 DEG C in Muffle furnace, obtain SMS@CeO2Composite balls.
3. a kind of manufacture method removing blue light diffuser plate it is characterised in that：Comprise the steps：
（1）Premixing：By 90 ~ 100 parts of polystyrene GPPS1050 with the light diffusing agent SMS CeO2 with blue light shielding action
In 55 ~ 60 parts of input batch mixer hoppers, add 4 ~ 5 parts of diffusant dorning (R) 30-424, through fully stirring in batch mixer
Mix, make polystyrene GPPS1050 surface in the presence of diffusant dorning (R) 30-424, be uniformly stained with blue screen
Cover the light diffusing agent ceria SMS@CeO2 of effect；
（2）Feed intake：The above-mentioned particle mixing is put in comminutor hopper, adjusts granulation operations parameter；
（3）Pelletize：The raw material mixing plastifies, mixes, is extruded into particle through comminutor, makes the light with blue light shielding action
Extension agent S MS@CeO2 is fully combined with polystyrene GPPS1050；
（4）Batch mixing：By step（3）Fully stir in the particle of extrusion and 840 ~ 850 parts of input batch mixers of polystyrene GPPS1050
Mix；
（5）Extrusion：Above-mentioned compound is put into and in diffuser plate extruding production line, carries out extrusion formation finished product.
4. according to claim 3 a kind of manufacture method removing blue light diffuser plate it is characterised in that：Described comminutor can be
Single screw rod comminutor, dual-screw pelletizer or multiscrew comminutor.
5. according to claim 3 a kind of manufacture method removing blue light diffuser plate it is characterised in that：The temperature of described extruder
It is set as：One 240～250 DEG C of area's temperature, two 250～260 DEG C of area's temperature, three 260～270 DEG C of area's temperature, four area's temperature 270～
280 DEG C, five 270～280 DEG C of area's temperature, six 270～280 DEG C of area's temperature, die head temperature is 270～280 DEG C, time of staying 1～
2min, pressure is 2～2.5MPa；Extrusion diffusion plate thickness is 1～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610434856.9A CN106398011A (en) | 2016-06-20 | 2016-06-20 | Diffuser plate capable of eliminating blue light and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610434856.9A CN106398011A (en) | 2016-06-20 | 2016-06-20 | Diffuser plate capable of eliminating blue light and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN106398011A true CN106398011A (en) | 2017-02-15 |
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| CN201610434856.9A Pending CN106398011A (en) | 2016-06-20 | 2016-06-20 | Diffuser plate capable of eliminating blue light and manufacturing method thereof |
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| US20100040850A1 (en) * | 2008-08-12 | 2010-02-18 | Entire Technology Co., Ltd. | Resin composition and diffusion plate |
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| CN104280796A (en) * | 2014-08-28 | 2015-01-14 | 肇庆市欧迪明科技有限公司 | Diffuse reflection type PS LED light diffusion plate and method for manufacturing diffuse reflection type PS LED light diffusion plate |
| CN104371208A (en) * | 2014-12-05 | 2015-02-25 | 成都领航科技股份有限公司 | Master batch of high-transmittance and high-masking diffusion plate, method for manufacturing master batch and method for manufacturing diffusion plate |
-
2016
- 2016-06-20 CN CN201610434856.9A patent/CN106398011A/en active Pending
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| WO2006058733A1 (en) * | 2004-12-03 | 2006-06-08 | Basf Aktiengesellschaft | Expandable styrene polymer granulates and particulate expanded plastics with a reduced thermal conductivity |
| US20100040850A1 (en) * | 2008-08-12 | 2010-02-18 | Entire Technology Co., Ltd. | Resin composition and diffusion plate |
| CN103910945A (en) * | 2014-03-28 | 2014-07-09 | 东莞市鑫聚光电科技有限公司 | Diffuser plate production process applicable to straight down type display screen backlight source and LED panel light |
| CN104280796A (en) * | 2014-08-28 | 2015-01-14 | 肇庆市欧迪明科技有限公司 | Diffuse reflection type PS LED light diffusion plate and method for manufacturing diffuse reflection type PS LED light diffusion plate |
| CN104371208A (en) * | 2014-12-05 | 2015-02-25 | 成都领航科技股份有限公司 | Master batch of high-transmittance and high-masking diffusion plate, method for manufacturing master batch and method for manufacturing diffusion plate |
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| Title |
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| DOW CORNING: "《https://wenku.baidu.com/view/82a1298cc281e53a5902ff87》", 20 August 2013 * |
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Application publication date: 20170215 |