CN110261943A - Multi-layer co-extruded compound light diffusing sheet material of one kind and preparation method thereof - Google Patents
Multi-layer co-extruded compound light diffusing sheet material of one kind and preparation method thereof Download PDFInfo
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- CN110261943A CN110261943A CN201910423524.4A CN201910423524A CN110261943A CN 110261943 A CN110261943 A CN 110261943A CN 201910423524 A CN201910423524 A CN 201910423524A CN 110261943 A CN110261943 A CN 110261943A
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- 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
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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
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
Abstract
The invention discloses a kind of multi-layer co-extruded compound light diffusing sheet materials and preparation method thereof, the multi-layer co-extruded compound light diffusing sheet material is the three-layer co-extruded plate being made of the photodiffusion material layer on the 1st layer and the 3rd layer of positive and negative surface and intermediate 2nd layer of transparent material layer, photodiffusion material layer is compound in the surface of transparent material layer on transparent material layer ontology by multi-layer co-extruded compound mode, transparent material layer is made of one of PC, PMMA and PS or a variety of compounds；Photodiffusion material layer is that light spreads PC material layer, light spreads PMMA and light spreads PS material layer.The present invention is compared with the light diffusing sheet material of other condition of equivalent thickness, the present invention is realized photodiffusion material by multi-layer co-extruded compound scheme with the process route coextru-lamination of co-extrusion to transparent material plate surface, guarantee the whiteness of plate surface color while to guarantee that light spreads light efficiency characteristic and improve resistance to UV aging, to overcome the deficiencies in the prior art.
Description
Technical field
The invention belongs to compound light diffusing sheet material technical fields, particularly relate to a kind of multi-layer co-extruded complex light diffusion
Plate and preparation method thereof.
Background technique
Primary thickness range 1mm~5mm of light diffusing sheet material in currently available technology on the market, range of transmittance 10%
~80%, mist degree range 80%~96%.But since the characteristic of material system determines that thickness is more than the light diffusing sheet of 5mm or more
Material is difficult to accomplish the whiteness requirement for guaranteeing to be able to satisfy plate color while high transparency, haze again.Based on existing skill
Drawbacks described above present in art now needs to develop a kind of light diffusion light efficiency characteristic that can either improve plate, while again can
Guarantee the compound light diffusing sheet material and preparation method thereof of plate face Color whiteness.
Summary of the invention
The present invention provides the multi-layer co-extruded compound light diffusing sheet material of one kind and its system to overcome the shortcomings of the prior art
Preparation Method.
The present invention is achieved by the following technical solutions: a kind of multi-layer co-extruded compound light diffusing sheet material, this is multi-layer co-extruded
Compound light diffusing sheet material is the photodiffusion material layer and intermediate 2nd layer of transparent material layer structure by the 1st layer and the 3rd layer of positive and negative surface
At three-layer co-extruded plate, photodiffusion material layer is compound in by multi-layer co-extruded compound mode on transparent material layer ontology
The surface of transparent material layer, transparent material layer are made of one of PC, PMMA and PS or a variety of compounds；Photodiffusion material
Layer is that light spreads PC material layer, light spreads PMMA material layer and light spreads PS material layer, 10 μ of thickness range of photodiffusion material layer
M~1000 μm, 50 μm~300 μm of the preferred thickness range of photodiffusion material layer.Light spreads PC material layer by following weight parts
Raw material composition: 84~94 parts of PC, 0.3 part of antioxidant, 3~5 parts of ultraviolet absorbing agent, 0.3 part of lubricant and light diffusing agent 3~
10 parts；Light diffusion PMMA material layer is made of the raw material of following weight parts: 86~96 parts of PMMA, 0.3 part of antioxidant, ultraviolet light
0.5~3 part of absorbent, 0.3 part of lubricant and 3~10 parts of light diffusing agent；Light spreads PS material layer by the raw material of following weight parts
Composition: 84~94 parts of PS, 0.3 part of antioxidant, 3~5 parts of ultraviolet absorbing agent, 0.3 part of lubricant and 3~10 parts of light diffusing agent.
Transparent material layer is preferably made of one of PC, PMMA and PS of light transmittance >=50% or a variety of compounds.Light
Diffusant is compounded by one or more of organosilicon, acrylic acid, styrene, nano barium sulfate, calcium carbonate and silica
Object is constituted.
Anti- UV material layer light is compound in by multi-layer co-extruded compound mode on the positive and negative surface of three-layer co-extruded plate to expand
Dissipate material surface, constitute five-layer co-squeezing plate, 10 μm~200 μm of the thickness range of anti-UV material layer, anti-UV material layer it is excellent
30 μm~100 μm of thickness range are selected, anti-UV material layer is the anti-UV material layer of PC carrier, the anti-UV material layer of PMMA carrier or PS carrier
Anti- UV material layer.
The anti-UV material layer of PC carrier is made of the raw material of following weight parts: 88~95 parts of PC, 0.3 part of antioxidant and ultraviolet
5~12 parts of light absorbers；The anti-UV material layer of PMMA carrier is made of the raw material of following weight parts: 88~95 parts of PMMA, antioxidant
0.3 part and 5~12 parts of ultraviolet absorbing agent；The anti-UV material layer of PS carrier is made of the raw material of following weight parts: PS 88~95
Part, 0.3 part of antioxidant and 5~12 parts of ultraviolet absorbing agent.
Ultraviolet absorbing agent is by Nano titanium dioxide, zinc oxide and cerium oxide, vinyl cyanide ultraviolet absorbing agent, benzene
And triazole type ultraviolet absorbing agent and its derivative, triazine-based ultraviolet absorbent and its derivative, benzophenone ultraviolet
The compound of one or more of absorbent and hindered amine light stabilizer is constituted.
The invention discloses a kind of preparation method of three-layer co-extruded compound light diffusing sheet material, the three-layer co-extruded complex light diffusions
Plate is by multi-layer co-extruded compound method by photodiffusion material layer with the process route coextru-lamination of co-extrusion to transparent material layer
Surface；Wherein photodiffusion material layer uses PC, PMMA for being suitable for squeezing out processing or light diffusion PS for carrier, and light diffusion is added
Agent, antioxidant, lubricant and ultraviolet absorbing agent, after mixed at high speed, blending and modifying, to obtain photodiffusion material layer institute
The raw material needed.
The invention also discloses a kind of preparation method of the compound light diffusing sheet material of five-layer co-squeezing, which expands
Fall apart material by multi-layer co-extruded compound method by photodiffusion material layer with the process route coextru-lamination of co-extrusion to transparent material
Layer surface, and on the surface of photodiffusion material floor by multi-layer co-extruded compound method by anti-UV material layer with the technique road of co-extrusion
Line coextru-lamination is to photodiffusion material layer surface；Wherein anti-UV material layer using be suitable for squeezing out processing transparent material PC,
PMMA or PS is carrier, ultraviolet absorbing agent and antioxidant is added, after mixed at high speed, blending and modifying obtains anti-UV material
Raw material needed for layer.
The present invention includes a kind of three-layer co-extruded plate: the photodiffusion material layer that the 1st layer and the 3rd layer of positive and negative surface and intermediate the
The multi-layer co-extruded plate of 2 layers of transparent material layer.The invention also includes a kind of five-layer co-squeezing plates: 1,5 layer of positive and negative surface resists
UV material layer, the multi-layer co-extruded plate of 2,4 layers of photodiffusion material layer and intermediate 3rd layer of transparent material layer.
The beneficial effects of the present invention are: the present invention is realized photodiffusion material by multi-layer co-extruded compound scheme to be total to
Crowded process route coextru-lamination is to transparent material plate surface, to guarantee to guarantee plate table while light spreads light efficiency characteristic
The whiteness and raising resistance to UV aging of face color, to overcome the deficiencies in the prior art, the present invention is multi-layer co-extruded
The range of transmittance 10%~85% of compound light diffusing sheet material, mist degree range 80%~96%.The multi-layer co-extruded complex light of the present invention
Light diffusion PC material, light diffusion PMMA used in diffusion plate or light diffusion PS material belong to be expanded using the light of special blending and modifying
Material is dissipated, so as to guarantee the optical characteristics of light diffusion and the weather resistance of plate well, while possessing good surface
Hardness.The present invention is compared with the light of other condition of equivalent thickness spreads PC plate material, because the present invention is by multi-layer co-extruded compound technique, i.e.,
The light diffusion light efficiency characteristic of plate is improved, while in turn ensuring the Color whiteness of plate face, improves plate weather resistance and surface
Hardness.
10 μm~1000 μm of the thickness range of photodiffusion material layer, preferably 50 μm~200 μm, photodiffusion material layer can be bigger
The Color whiteness of the raising surface coextru-lamination layer of limit, due to the thinner thickness of coextruded layer, so natural light transmittance and mist degree
Also it increases accordingly.The present invention may be implemented in the surface of photodiffusion material layer by multi-layer co-extruded technique for photodiffusion material simultaneously
One layer of anti-UV material layer in the surface coextru-lamination of layer, to improve the weather resistance of plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the three-layer co-extruded compound light diffusing sheet material of the present invention；
Fig. 2 is the structural schematic diagram of the compound light diffusing sheet material of five-layer co-squeezing of the present invention；
In figure: 1- photodiffusion material layer；2- transparent material layer；The anti-UV material layer of 3-.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1 to Figure 2, a kind of multi-layer co-extruded compound light diffusing sheet material, the multi-layer co-extruded compound light diffusing sheet material are
The three-layer co-extruded plate being made of the 1st layer and the 3rd layer of the photodiffusion material layer 1 in positive and negative surface with intermediate 2nd layer of transparent material layer 2
Photodiffusion material layer 1 is compound in transparent material layer 2 by multi-layer co-extruded compound mode on 2 ontology of transparent material layer by material
Surface, transparent material layer 2 is made of one of PC, PMMA and PS or a variety of compounds；Photodiffusion material layer 1 is light expansion
It dissipates PC material layer or light spreads PMMA material layer, 10 μm~1000 μm of the thickness range of photodiffusion material layer 1, photodiffusion material layer
50 μm~300 μm of 1 preferred thickness range.Light diffusion PC material layer is made of the raw material of following weight parts: 84~94 parts of PC,
0.3 part of antioxidant, 3~5 parts of ultraviolet absorbing agent, 0.3 part of lubricant and 3~10 parts of light diffusing agent；Light spreads PMMA material layer
It is made of the raw material of following weight parts: 86~96 parts of PMMA, 0.3 part of antioxidant, 0.5~3 part of ultraviolet absorbing agent, lubricant
0.3 part, 3~10 parts of light diffusing agent.
Transparent material layer 2 is preferably made of one of PC, PMMA and PS of light transmittance >=50% or a variety of compounds.Light
Diffusant is compounded by one or more of organosilicon, acrylic acid, styrene, nano barium sulfate, calcium carbonate and silica
Object is constituted.
Anti- UV material layer 3 light is compound in by multi-layer co-extruded compound mode on the positive and negative surface of three-layer co-extruded plate to expand
Scattered 1 surface of material layer, composition five-layer co-squeezing plate, 10 μm~200 μm of the thickness range of anti-UV material layer 3, anti-UV material layer 3
30 μm~100 μm of preferred thickness range, anti-UV material layer 3 be the anti-UV material layer 3 of PC carrier, the anti-UV material layer 3 of PMMA carrier or
The anti-UV material layer 3 of PS carrier.
The anti-UV material layer 3 of PC carrier is made of the raw material of following weight parts: 88~95 parts of PC, 0.3 part of antioxidant, ultraviolet
5~12 parts of light absorbers；The anti-UV material layer 3 of PMMA carrier is made of the raw material of following weight parts: 88~95 parts of PMMA, antioxygen
0.3 part of agent, 5~12 parts of ultraviolet absorbing agent；The anti-UV material layer 3 of PS carrier is made of the raw material of following weight parts: PS 88~95
Part, 0.3 part of antioxidant, 5~12 parts of ultraviolet absorbing agent.
Ultraviolet absorbing agent is by Nano titanium dioxide, zinc oxide and cerium oxide, vinyl cyanide ultraviolet absorbing agent, benzene
And triazole type ultraviolet absorbing agent and its derivative, triazine-based ultraviolet absorbent and its derivative, benzophenone ultraviolet
The compound of one or more of absorbent and hindered amine light stabilizer is constituted.
The invention discloses a kind of preparation method of three-layer co-extruded compound light diffusing sheet material, which expands
Fall apart material by multi-layer co-extruded compound method by photodiffusion material layer 1 with the process route coextru-lamination of co-extrusion to transparent material
2 surface of layer；Wherein photodiffusion material layer 1 uses PC, PMMA or PS for being suitable for squeezing out processing for carrier, addition light diffusing agent,
Antioxidant, lubricant and ultraviolet absorbing agent, after mixed at high speed, blending and modifying, to obtain needed for photodiffusion material layer 1
Raw material.
The invention also discloses a kind of preparation method of the compound light diffusing sheet material of five-layer co-squeezing, which expands
Fall apart material by multi-layer co-extruded compound method by photodiffusion material layer 1 with the process route coextru-lamination of co-extrusion to transparent material
Layer 2 surface, and on the surface of photodiffusion material layer 1 by multi-layer co-extruded compound method by anti-UV material layer 3 with the work of co-extrusion
The coextru-lamination of skill route is to 1 surface of photodiffusion material layer；Wherein anti-UV material layer 3 is using the transparent material for being suitable for extrusion processing
PC, PMMA or PS are carrier, ultraviolet absorbing agent and antioxidant are added, after mixed at high speed, blending and modifying obtains anti-UV material
Raw material needed for the bed of material 3.
In embodiment 1: Fig. 12 surface of transparent material layer by 50 μm~200 μ m-thicks photodiffusion material layer 1 and central, clear
Material layer 2 is squeezed out by three-layer co-extruded technique, and the thickness range of compound light diffusing sheet material can realize 5mm~20mm.
The 1st layer and the 5th layer of 2 surface of transparent material layer is the anti-UV material layer 3 of 30 μm~100 μ m-thicks in embodiment 2: Fig. 2,
The 2nd layer of 2 surface of transparent material layer and the 4th layer be 50 μm~200 μ m-thicks photodiffusion material layer 1, anti-UV material layer 3 and light
Diffusing material layer 1 is squeezed out with central, clear material layer 2 by five-layer co-squeezing technique, the thickness range of compound light diffusing sheet material
5mm~20mm can be achieved.
Wherein transparent material includes but is not limited to polycarbonate (PC), polymethyl methacrylate (PMMA), polystyrene (PS)
One of or a variety of compounds, light transmittance >=50% of transparent material layer 2.
Finally it should be noted that the above content is merely illustrative of the technical solution of the present invention, rather than the present invention is protected
The limitation of range, the simple modification or equivalent replacement that those skilled in the art carry out technical solution of the present invention,
All without departing from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of multi-layer co-extruded compound light diffusing sheet material, it is characterised in that: the multi-layer co-extruded compound light diffusing sheet material is by just
The three-layer co-extruded plate that the photodiffusion material layer and intermediate 2nd layer of transparent material layer that the 1st layer and the 3rd layer of anti-surface are constituted,
Photodiffusion material layer is compound in on transparent material layer ontology by multi-layer co-extruded compound mode the surface of transparent material layer, institute
Stating transparent material layer is made of one of PC, PMMA and PS or a variety of compounds；The photodiffusion material layer is light diffusion
PC material layer, light diffusion PMMA material layer and light spread PS material layer, and 10 μm of the thickness range of the photodiffusion material layer~
1000μm；Light diffusion PC material layer is made of the raw material of following weight parts: 84~94 parts of PC, 0.3 part of antioxidant, ultraviolet
3~5 parts of light absorbers, 0.3 part of lubricant and 3~10 parts of light diffusing agent；The light diffusion PMMA material layer is by following weight parts
Raw material composition: 86~96 parts of PMMA, 0.3 part of antioxidant, 0.5~3 part of ultraviolet absorbing agent, 0.3 part of lubricant and light diffusion
3~10 parts of agent；The light diffusion PS material layer is made of the raw material of following weight parts: 84~94 parts of PS, 0.3 part of antioxidant, purple
3~5 parts of ultraviolet absorbers, 0.3 part of lubricant and 3~10 parts of light diffusing agent.
2. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 1, it is characterised in that: the transparent material layer
It is made of one of PC, PMMA and PS of light transmittance >=50% or a variety of compounds.
3. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 1, it is characterised in that: the photodiffusion material
50 μm~300 μm of thickness range of layer.
4. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 1, it is characterised in that: the light diffusing agent is
It is made of one or more of organosilicon, acrylic acid, styrene, nano barium sulfate, calcium carbonate and silica compound.
5. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 1, it is characterised in that: described three-layer co-extruded
Anti- UV material layer is compound in photodiffusion material layer surface by multi-layer co-extruded compound mode by the positive and negative surface of plate, constitutes five
Layer co-extrusion plate, 10 μm~200 μm of the thickness range of the anti-UV material layer, the anti-UV material layer are the anti-UV material of PC carrier
Layer, the anti-UV material layer of PMMA carrier or the anti-UV material layer of PS carrier.
6. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 5, it is characterised in that: the PC carrier is anti-
UV material layer is made of the raw material of following weight parts: 88~95 parts of PC, 0.3 part of antioxidant and 5~12 parts of ultraviolet absorbing agent；
The anti-UV material layer of PMMA carrier is made of the raw material of following weight parts: 88~95 parts of PMMA, 0.3 part of antioxidant and ultraviolet
5~12 parts of light absorbers；The anti-UV material layer of PS carrier is made of the raw material of following weight parts: 88~95 parts of PS, antioxidant
0.3 part and 5~12 parts of ultraviolet absorbing agent.
7. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 5, it is characterised in that: the anti-UV material layer
30 μm~100 μm of thickness range.
8. the multi-layer co-extruded compound light diffusing sheet material of one kind according to claim 6, it is characterised in that: the ultraviolet light is inhaled
Receiving agent is inhaled by Nano titanium dioxide, zinc oxide and cerium oxide, vinyl cyanide ultraviolet absorbing agent, benzotriazole ultraviolet light
Receive agent and its derivative, triazine-based ultraviolet absorbent and its derivative, benzophenone ultraviolet absorbent and hindered amines
The compound of one or more of light stabilizer is constituted.
9. the preparation method of multi-layer co-extruded compound light diffusing sheet material described in any one of -4 claims according to claim 1,
It is characterized by: the multi-layer co-extruded compound light diffusing sheet material passes through multi-layer co-extruded compound method for photodiffusion material layer to be total to
Crowded process route coextru-lamination is to transparent material layer surface；Wherein the photodiffusion material layer, which uses, is suitable for squeezing out processing
PC or PMMA is carrier, light diffusing agent, antioxidant, lubricant and ultraviolet absorbing agent is added, after mixed at high speed, blending changes
Property, thus raw material needed for obtaining photodiffusion material layer.
10. the preparation method of multi-layer co-extruded compound light diffusing sheet material according to any one of claim 5-8 claim,
It is characterized by: the multi-layer co-extruded compound light diffusing sheet material passes through multi-layer co-extruded compound method for photodiffusion material layer to be total to
Crowded process route coextru-lamination is to transparent material layer surface, and on the surface of photodiffusion material layer by multi-layer co-extruded compound
Method is by anti-UV material layer with the process route coextru-lamination of co-extrusion to photodiffusion material layer surface；The wherein anti-UV material layer
It uses transparent material PC, PMMA or PS for being suitable for squeezing out processing for carrier, ultraviolet absorbing agent and antioxidant is added, through excessively high
After speed mixing, blending and modifying, raw material needed for obtaining anti-UV material layer.
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| CN201910423524.4A CN110261943A (en) | 2019-05-21 | 2019-05-21 | Multi-layer co-extruded compound light diffusing sheet material of one kind and preparation method thereof |
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| CN201910423524.4A CN110261943A (en) | 2019-05-21 | 2019-05-21 | Multi-layer co-extruded compound light diffusing sheet material of one kind and preparation method thereof |
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| CN113291024A (en) * | 2021-05-19 | 2021-08-24 | 杭州赛宁板材有限公司 | Multilayer co-extrusion composite light diffusion plate and preparation method thereof |
| CN114153016A (en) * | 2021-12-10 | 2022-03-08 | 苏州多凯复合材料有限公司 | Light-relaxing glass fiber reinforced unsaturated resin plate |
| CN116572493A (en) * | 2023-07-07 | 2023-08-11 | 成都希德光安全科技有限公司 | Composite laser protection plate and processing technology thereof |
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