CN116769272A - ABS foaming diffusion plate and preparation method thereof - Google Patents
ABS foaming diffusion plate and preparation method thereof Download PDFInfo
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- CN116769272A CN116769272A CN202310826605.5A CN202310826605A CN116769272A CN 116769272 A CN116769272 A CN 116769272A CN 202310826605 A CN202310826605 A CN 202310826605A CN 116769272 A CN116769272 A CN 116769272A
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses an ABS foaming diffusion plate, which comprises an ABS foaming layer, wherein a plurality of foam holes are formed in the ABS foaming layer, a plurality of glass fibers are embedded in the ABS foaming layer, and the ABS foaming layer comprises the following components in parts by weight: 90-100 parts of ABS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil, 0.015-0.035 part of brightening agent, 0.2-1.0 part of foaming agent and 10-30 parts of glass fiber. The invention provides an ABS foaming diffusion plate, which has better heat resistance and impact resistance. The invention also provides a preparation method of the ABS foaming diffusion plate.
Description
Technical Field
The invention relates to the technical field of diffusion plates, in particular to an ABS foaming diffusion plate and a preparation method thereof.
Background
The light diffusion plate is characterized in that the light diffusion plate utilizes the physical phenomena of refraction, reflection and scattering when light encounters two mediums with different refractive indexes in the way of traveling through chemical or physical means, and inorganic or organic light diffusion agents are added in the base materials such as PMMA, PC, PS, PP or the array arrangement of micro-feature structures on the surfaces of the base materials is used for artificially adjusting the light, so that the light is refracted, reflected and scattered in different directions, the traveling route of the light is changed, the effect of fully dispersing the incident light to generate optical diffusion is realized, and the light diffusion plate is widely applied to liquid crystal display, LED illumination and imaging display systems.
The existing main raw materials for manufacturing the optical diffusion plate are GPPS, and the GPPS material generally has the problems of poor heat resistance and poor shock resistance, so that the diffusion plate is easily deformed due to heating of the diffusion plate and the service life is influenced due to the influence of the heat of a light source in the long-term use process, and the manufactured diffusion plate is poor in shock resistance, easy to damage due to impact in the transportation process and poor in service life.
Disclosure of Invention
The invention aims to provide an ABS foaming diffusion plate, which has better heat resistance and impact resistance.
The invention discloses an ABS foaming diffusion plate and a preparation method thereof, which adopts the following technical scheme:
the ABS foaming diffusion plate comprises an ABS foaming layer, wherein a plurality of foam holes are formed in the ABS foaming layer, a plurality of glass fibers are embedded in the ABS foaming layer, and the ABS foaming layer is composed of the following components in parts by weight: 90-100 parts of ABS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil, 0.015-0.035 part of brightening agent, 0.2-1.0 part of foaming agent and 10-30 parts of glass fiber.
Preferably, the upper side and the lower layer of the ABS foaming layer are both provided with protective layers.
As a preferred scheme, the protective layer is composed of the following components in parts by weight: 90-100 parts of PS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil and 0.015-0.035 part of brightening agent.
Preferably, the glass fibers are continuous long glass fibers.
Preferably, a portion of one end of the glass fibers extends into the cells
A preparation method of an ABS foaming diffusion plate comprises the following steps:
s1, uniformly stirring ABS resin, organic silicon resin, an antioxidant, an ultraviolet absorber, a light stabilizer, mineral oil, a brightening agent and a foaming agent, and then adding the mixture into a screw extruder;
s2, heating the mixture in the step S1 to a molten state through a screw extruder;
s3, adding continuous long glass fibers into the mixture in the step S2, and mixing and stirring again until the mixture is uniform;
s4, extruding through a screw extruder to obtain the ABS foaming diffusion plate.
Preferably, the processing temperature of the screw extruder is 210-230 ℃.
As a preferable scheme, the screw extruder is divided into a first zone, a second zone, a third zone, a fourth zone, a fifth zone, a sixth zone and a die head along the extrusion direction, wherein the temperature of the first zone is 185 ℃, the temperature of the second zone is 195 ℃, the temperature of the third zone is 215 ℃, the temperature of the fourth zone is 215 ℃, the temperature of the fifth zone is 230 ℃, the temperature of the sixth zone is 220 ℃, the temperature of the seventh zone is 215 ℃, the die head temperature is 210 ℃, and the yield is 320Kg/h.
As a preferable scheme, 90-100 parts of PS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil and 0.015-0.035 part of brightening agent can be added in the step S1, so that the ABS foaming diffusion plate can be formed on the upper surface and the lower surface.
The ABS foaming diffusion plate disclosed by the invention has the beneficial effects that: the ABS foaming layer is added with the foaming agent to enable a plurality of foam holes to be formed in the ABS foaming layer, air media are arranged in the foam holes, when light rays are injected into the ABS foaming layer, the light rays firstly pass through a base material and glass fibers of the ABS foaming layer and are then injected into the foam holes, the light rays are further refracted and reflected out through the foam holes, so that the total reflection effect of the ABS foaming layer is higher, the uniformity is better, and the density is reduced due to the fact that the foam holes are formed in the ABS foaming layer, the whole weight is also reduced, the glass fibers are arranged in the ABS foaming core layer to strengthen, so that the thermal deformation temperature, the impact strength and the brightness are better, the organic silicon resin plays a role of diffusing, the bubble size of the foaming agent is stabilized through the foaming agent, and the yellowing effect of the ABS foaming core layer is prevented through the antioxidant.
Drawings
FIG. 1 is a schematic diagram of an ABS foam diffusion plate according to an embodiment 1 of the present invention.
FIG. 2 is a schematic diagram of an ABS foam diffusion plate according to embodiment 2 of the present invention.
FIG. 3 is a process flow diagram of a method for preparing an ABS foam diffusion plate according to the present invention.
Detailed Description
The invention is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
example 1
Referring to fig. 1, an ABS foam diffusion plate includes an ABS foam layer 10, a plurality of cells 11 are disposed inside the ABS foam layer 10, and a plurality of glass fibers 12 are embedded inside the ABS foam layer 10, wherein the ABS foam layer 10 is composed of the following components in parts by weight: 90-100 parts of ABS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil, 0.015-0.035 part of brightening agent, 0.2-1.0 part of foaming agent and 10-30 parts of glass fiber, wherein the glass fiber 12 adopts continuous long glass fiber 12, which is called long glass fiber for short.
The upper side and the lower layer of the ABS foaming layer 10 are respectively provided with a protective layer 20, and the protective layer 20 consists of the following components in parts by weight: 90-100 parts of PS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil and 0.015-0.035 part of brightening agent.
The ABS resin had a PB rubber content of 21% and a rubber particle size of about 300nm, styrene/acrylonitrile=1/3, mw:40000-45000.
The organic silicon resin is used as a dispersing agent, so that the haze of a resin product can be improved; specifically, the silicone resin can be selected from Japanese Korea brand KMP-590, japanese Korea brand KMP-7056A and Changxing brand DF20A0, and preferably Japanese Korea brand KMP-7056A.
The antioxidant can prevent thermal oxidative aging of the resin article; preferably, the antioxidant may be at least one of antioxidant 1024, antioxidant 1010 or antioxidant 1076; specifically, the antioxidant can be selected from Bonaci TINOX 1010/Bonaci TINOX 1076/Bonaci TINOX1024, and Bonaci TINOX1010 is preferred.
The ultraviolet absorber can prevent photo-oxidative aging of the resin product; preferably, the ultraviolet absorber may be at least one of ultraviolet absorber UV-329 or ultraviolet absorber UV-531; more preferably, the ultraviolet absorber is UV-329.
Light stabilizers can eliminate or slow down the possibility of photochemical reactions, preventing or delaying the process of photoaging; preferably, the light stabilizer may be at least one of the light stabilizer 770 or the light stabilizer 622.
The mineral oil can be silicone oil (cyclic polydimethylsiloxane) or liquid paraffin, and can migrate between phases in the processing process of the master batch, so that the processing lubricity can be improved, and the mineral oil can be uniformly distributed on a phase interface.
The brightening agent may whiten the product color to make the resin article brighter, and preferably the brightening agent may be fluorescent brightening agent CBS-127.
The foaming agent is one or more of supercritical carbon dioxide, supercritical nitrogen, calcium carbonate, magnesium carbonate and sodium bicarbonate.
PS resins are general-purpose polystyrene, and have excellent geometric stability, thermal stability, optical transmission characteristics, electrical insulation characteristics, and a small tendency to absorb moisture, and thus serve as main resins.
The protective layers 20 on the upper surface and the lower surface of the ABS foaming layer 10 are made of PS raw materials, and inorganic dispersing agents are added, so that the protective layers 20 are made into hard protective layers 20, the ABS foaming layer 10 between the two protective layers 20 can be protected, light rays can be refracted and reflected, the ABS foaming layer 10 is internally provided with a plurality of foam holes 11 through the addition of the foaming agents, air media are arranged in the foam holes 11, when the light rays are injected into the ABS foaming layer 10, the light rays firstly pass through a base material of the ABS foaming layer 10 and glass fibers 12 and then are injected into the foam holes 11, the light rays are further refracted and reflected through the foam holes 11, the total reflection effect of the ABS foaming layer 10 is higher, the uniformity is better, and the density is reduced due to the fact that the foam holes 11 are arranged in the ABS foaming layer 10, the whole weight is also reduced, the strength is enhanced through the glass fibers 12 in the ABS foaming core layer, so that the thermal deformation temperature, the impact strength and the brightness are better, the organic silicon resin plays a role in dispersing the role in stabilizing the foaming agent, and the size of the foaming agent, and the role in preventing the ABS foaming core from being an antioxidant.
Example 2
Referring to fig. 2, an ABS foam diffusion plate includes an ABS foam layer 10, a plurality of cells 11 are disposed in the ABS foam layer 10, a plurality of glass fibers 12 are embedded in the ABS foam layer 10, and one end of a portion of the glass fibers 12 extends into the cells.
Since the glass fiber 12 has a light guiding function, when the ABS foam layer 10 is manufactured, a part of the glass fiber 12 and the foaming agent are mutually fused, so that the foaming agent can remain in the cells 11 in the process of generating the cells 11, thereby forming a structure that one end of the glass fiber 12 extends into the cells 11, and part of light can be guided into the cells 11 by the glass fiber 12, thereby achieving the purpose of enhancing the brightness through the glass fiber 12, and achieving the effect of better reflection and refraction.
Referring to fig. 3, a method for preparing an ABS foam diffusion plate includes the following steps:
s1, uniformly stirring ABS resin, organic silicon resin, an antioxidant, an ultraviolet absorber, a light stabilizer, mineral oil, a brightening agent and a foaming agent, and then adding the mixture into a screw extruder;
s2, heating the mixture in the step S1 to a molten state through a screw extruder;
s3, adding continuous long glass fibers into the mixture in the step S2, and mixing and stirring again until the mixture is uniform;
s4, extruding through a screw extruder to obtain the ABS foaming diffusion plate.
The processing temperature of the screw extruder is 210-230 ℃.
In the step S1, 90-100 parts of PS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil and 0.015-0.035 part of brightening agent can be added, so that the ABS foaming diffusion plate can be formed on the upper surface and the lower surface.
Example 1:
s1: 100 parts of ABS resin, 3 parts of organic silicon resin, 0.5 part of antioxidant, 0.4 part of ultraviolet absorber, 0.5 part of light stabilizer, 0.015 part of mineral oil, 0.015 part of brightening agent and 0.4 part of foaming agent are added into a screw extruder after being uniformly stirred;
s2: heating the screw extruder, adding the mixture in the step S1 to a molten state, and then adding 10 parts of continuous long glass fibers, and mixing and stirring again until the mixture is uniform;
s3: the ABS foaming diffusion plate is obtained by extrusion of a screw extruder, wherein the temperature of a first area of the screw extruder is 185 ℃, the temperature of a second area of the screw extruder is 195 ℃, the temperature of a third area of the screw extruder is 215 ℃, the temperature of a fourth area of the screw extruder is 215 ℃, the temperature of a fifth area of the screw extruder is 230 ℃, the temperature of a sixth area of the screw extruder is 220 ℃, the temperature of a seventh area of the screw extruder is 215 ℃, and the temperature of a die head is: 210 ℃; the yield was 320Kg/h.
Example 2:
s1: 100 parts of ABS resin, 3 parts of organic silicon resin, 0.5 part of antioxidant, 0.4 part of ultraviolet absorber, 0.5 part of light stabilizer, 0.015 part of mineral oil, 0.015 part of brightening agent and 0.4 part of foaming agent are added into a screw extruder after being uniformly stirred;
s2: heating the screw extruder, adding the mixture in the step S1 to a molten state, and then adding 20 parts of continuous long glass fibers, and mixing and stirring again until the mixture is uniform;
s3: the continuous glass fiber reinforced ABS foaming diffusion plate is obtained through three-layer coextrusion of a screw extruder, wherein the temperature of a first area of the screw extruder is 185 ℃, the temperature of a second area of the screw extruder is 195 ℃, the temperature of a third area of the screw extruder is 215 ℃, the temperature of a fourth area of the screw extruder is 215 ℃, the temperature of a fifth area of the screw extruder is 230 ℃, the temperature of a sixth area of the screw extruder is 220 ℃, the temperature of a seventh area of the screw extruder is 215 ℃, and the temperature of a die head is: 210 ℃; the yield was 320Kg/h.
Example 3:
s1: 100 parts of ABS resin, 3 parts of organic silicon resin, 0.5 part of antioxidant, 0.4 part of ultraviolet absorber, 0.5 part of light stabilizer, 0.015 part of mineral oil, 0.015 part of brightening agent and 0.4 part of foaming agent are added into a screw extruder after being uniformly stirred;
s2: heating the screw extruder, adding the mixture in the step S1 to a molten state, and then adding 30 parts of continuous long glass fibers, and mixing and stirring again until the mixture is uniform;
s3: the continuous glass fiber reinforced ABS foaming diffusion plate is obtained through three-layer coextrusion of a screw extruder, wherein the temperature of a first area of the screw extruder is 185 ℃, the temperature of a second area of the screw extruder is 195 ℃, the temperature of a third area of the screw extruder is 215 ℃, the temperature of a fourth area of the screw extruder is 215 ℃, the temperature of a fifth area of the screw extruder is 230 ℃, the temperature of a sixth area of the screw extruder is 220 ℃, the temperature of a seventh area of the screw extruder is 215 ℃, and the temperature of a die head is: 210 ℃; the yield was 320Kg/h.
Example 4:
s1: 100 parts of ABS resin, 3 parts of organic silicon resin, 0.5 part of antioxidant, 0.4 part of ultraviolet absorber, 0.5 part of light stabilizer, 0.015 part of mineral oil, 0.015 part of brightening agent and 0.4 part of foaming agent are added into a screw extruder after being uniformly stirred;
s2: heating the screw extruder, adding the mixture in the step S1 to a molten state, and then adding 40 parts of continuous long glass fibers, and mixing and stirring again until the mixture is uniform;
s3: the continuous glass fiber reinforced ABS foaming diffusion plate is obtained through three-layer coextrusion of a screw extruder, wherein the temperature of a first area of the screw extruder is 185 ℃, the temperature of a second area of the screw extruder is 195 ℃, the temperature of a third area of the screw extruder is 215 ℃, the temperature of a fourth area of the screw extruder is 215 ℃, the temperature of a fifth area of the screw extruder is 230 ℃, the temperature of a sixth area of the screw extruder is 220 ℃, the temperature of a seventh area of the screw extruder is 215 ℃, and the temperature of a die head is: 210 ℃; the yield was 320Kg/h.
Example 5:
s1: 100 parts of ABS resin, 3 parts of organic silicon resin, 0.5 part of antioxidant, 0.4 part of ultraviolet absorber, 0.5 part of light stabilizer, 0.015 part of mineral oil, 0.015 part of brightening agent and 0.4 part of foaming agent are added into a screw extruder after being uniformly stirred;
s2: heating the screw extruder, adding the mixture in the step S1 to a molten state, and then adding 50 parts of continuous long glass fibers, and mixing and stirring again until the mixture is uniform;
s3: the continuous glass fiber reinforced ABS foaming diffusion plate is obtained through three-layer coextrusion of a screw extruder, wherein the temperature of a first area of the screw extruder is 185 ℃, the temperature of a second area of the screw extruder is 195 ℃, the temperature of a third area of the screw extruder is 215 ℃, the temperature of a fourth area of the screw extruder is 215 ℃, the temperature of a fifth area of the screw extruder is 230 ℃, the temperature of a sixth area of the screw extruder is 220 ℃, the temperature of a seventh area of the screw extruder is 215 ℃, and the temperature of a die head is: 210 ℃; the yield was 320Kg/h.
Comparative example 1:
s1: 100 parts of GPPS resin, 3 parts of organic silicon resin, 0.5 part of antioxidant, 0.4 part of ultraviolet absorber, 0.5 part of light stabilizer, 0.015 part of mineral oil, 0.015 part of brightening agent and 0.4 part of foaming agent are added into a screw extruder after being uniformly stirred;
s2: heating the screw extruder, adding the mixture in the step S1 into a molten state, and mixing and stirring until the mixture is uniform;
s3: the common PS foaming diffusion plate is obtained by three layers of coextrusion of a screw extruder, wherein the temperature of a first area of the screw extruder is 185 ℃, the temperature of a second area of the screw extruder is 195 ℃, the temperature of a third area of the screw extruder is 215 ℃, the temperature of a fourth area of the screw extruder is 215 ℃, the temperature of a fifth area of the screw extruder is 230 ℃, the temperature of a sixth area of the screw extruder is 220 ℃, the temperature of a seventh area of the screw extruder is 215 ℃, and the temperature of a die head is: 210 ℃; the yield was 320Kg/h.
Correlation performance test:
processing characteristics and product properties provided by examples 1-4 and comparative example 1 above are shown in Table 1 from which we can see: as the heat distortion temperature, the light transmittance and the central brightness of the diffusion plate are increased along with the increase of the glass fiber parts, the impact strength of the material is reduced, and the addition amount of 20-30 parts of glass fibers is more suitable for the production of the common diffusion plate.
Table 1 examples and comparative examples
The invention provides an ABS foaming diffusion plate, wherein a plurality of foam holes are formed in the ABS foaming layer by adding a foaming agent, air medium is arranged in the foam holes, when light rays are injected into the ABS foaming layer, the light rays firstly pass through a base material and glass fibers of the ABS foaming layer and are then injected into the foam holes, the light rays are further refracted and reflected out through the foam holes, so that the ABS foaming layer has higher total reflection effect and better uniformity, and the density is reduced due to the foam holes in the ABS foaming layer, the whole weight is also lightened, the strength of the glass fibers is enhanced in the ABS foaming core layer, so that the thermal deformation temperature, the impact strength and the brightness are better, the organic silicon resin plays a role in diffusing, the bubble size of the foaming agent is stabilized through the foaming agent, and the yellowing of the ABS foaming core layer is prevented through an antioxidant.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. The ABS foaming diffusion plate is characterized by comprising an ABS foaming layer, wherein a plurality of foam holes are formed in the ABS foaming layer, a plurality of glass fibers are embedded in the ABS foaming layer, and the ABS foaming layer is composed of the following components in parts by weight: 90-100 parts of ABS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil, 0.015-0.035 part of brightening agent, 0.2-1.0 part of foaming agent and 10-30 parts of glass fiber.
2. The ABS foam diffusion plate of claim 1 wherein the ABS foam layer is provided with a protective layer on both the upper and lower layers.
3. The ABS foam diffusion plate of claim 2 wherein the protective layer comprises the following components in parts by weight: 90-100 parts of PS resin, 3-8 parts of organic silicon resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 part of ultraviolet absorber, 0.5-0.8 part of light stabilizer, 0.015-0.03 part of mineral oil and 0.015-0.035 part of brightening agent.
4. The ABS foam diffusion plate of claim 1 wherein said glass fibers are continuous long glass fibers.
5. An ABS foam diffusion plate according to claim 1 wherein a portion of said glass fibers extends into cells at one end thereof.
6. The preparation method of the ABS foaming diffusion plate is characterized by comprising the following steps of:
s1, uniformly stirring ABS resin, organic silicon resin, an antioxidant, an ultraviolet absorber, a light stabilizer, mineral oil, a brightening agent and a foaming agent, and then adding the mixture into a screw extruder;
s2, heating the mixture in the step S1 to a molten state through a screw extruder;
s3, adding continuous long glass fibers into the mixture in the step S2, and mixing and stirring again until the mixture is uniform;
s4, extruding by a screw extruder to obtain the ABS foaming diffusion plate of the claim 1.
7. The ABS foam diffusion plate of claim 6 wherein the screw extruder is operated at a temperature of 210 ℃ to 230 ℃.
8. The method of manufacturing an ABS foam diffusion plate according to claim 7, wherein the screw extruder is divided into a first zone, a second zone, a third zone, a fourth zone, a fifth zone, a sixth zone and a die in the extrusion direction, wherein the first zone has a temperature of 185 ℃, the second zone has a temperature of 195 ℃, the third zone has a temperature of 215 ℃, the fourth zone has a temperature of 215 ℃, the fifth zone has a temperature of 230 ℃, the sixth zone has a temperature of 220 ℃, the seventh zone has a temperature of 215 ℃, the die has a temperature of 210 ℃ and the yield is 320Kg/h.
9. The method of preparing an ABS foam diffusion plate according to claim 6, wherein 90-100 parts of PS resin, 3-8 parts of silicone resin, 0.5-1.2 parts of antioxidant, 0.4-0.8 parts of uv absorber, 0.5-0.8 parts of light stabilizer, 0.015-0.03 parts of mineral oil and 0.015-0.035 parts of brightening agent are added in the step S1, thereby forming the ABS foam diffusion plate on the upper and lower surfaces thereof.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128716A (en) * | 2022-05-25 | 2022-09-30 | 广东瑞捷光电股份有限公司 | Novel foaming diffusion plate structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128716A (en) * | 2022-05-25 | 2022-09-30 | 广东瑞捷光电股份有限公司 | Novel foaming diffusion plate structure |
| CN115128716B (en) * | 2022-05-25 | 2024-01-02 | 广东瑞捷新材料股份有限公司 | Novel foaming diffusion plate structure |
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