CN107163494A - A kind of computer display casing plastic and preparation method thereof - Google Patents
A kind of computer display casing plastic and preparation method thereof Download PDFInfo
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- CN107163494A CN107163494A CN201710563418.7A CN201710563418A CN107163494A CN 107163494 A CN107163494 A CN 107163494A CN 201710563418 A CN201710563418 A CN 201710563418A CN 107163494 A CN107163494 A CN 107163494A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08K3/02—Elements
- C08K2003/026—Phosphorus
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a kind of computer display casing plastic, belong to plastics arts, include the raw material of following parts by weight：35 40 parts of acrylonitrile butadient styrene, 15 20 parts of makrolon, 8 10 parts of polyvinyl chloride, 68 parts of polytetrafluoroethylene (PTFE), 35 parts of haloflex, 57 parts of silicon rubber, 35 parts of polybismaleimide, 58 parts of 2 hydroxyl, 4 oxy-octyl benzophenone, 46 parts of molybdenum disulfide, 8 12 parts of red phosphorus, 79 parts of melamine phosphate, 16 18 parts of calcium carbonate, 10 13 parts of magnesium hydroxide, 7 11 parts of plasticizer, 24 parts of lubricant, 12 parts of stabilizer, 24 parts of antistatic additive；The invention also discloses a kind of preparation method of computer display casing plastic；The present invention is prepared simply, and physical property is outstanding, with preferably fireproof high-temperature resistant ability.
Description
Technical field
The present invention relates to plastics arts, specifically, relate to a kind of computer display casing plastic and its
Preparation method.
Background technology
Display screen is the I/O equipment for belonging to computer, i.e. input-output equipment.It is a kind of to pass through certain e-file
Specific transmission equipment is shown to the show tools that human eye is re-reflected on screen.
At present, display screen component plastics are typically made up of ABS, and ABS resin is one of five big synthetic resin, its shock resistance
Property, heat resistance, lower temperature resistance, chemical proofing and excellent electrical properties, also with easy processing, product size be stable, surface
The features such as glossiness is good, easy application, coloring can also carry out surface metallization, plating, welding, hot pressing and bonding etc. two
Secondary processing, is widely used in the industrial circles such as machinery, automobile, electronic apparatus, instrument and meter, weaving and building, is a kind of purposes
Extremely wide thermoplastic engineering plastic.Acrylonitrile-butadiene-styrene copolymer is by acrylonitrile, butadiene and styrene composition
Terpolymer；ABS is usually light yellow or milky pellet non-crystalline resin.ABS is most popular engineering
One of plastics.
But with continuing to develop for computer realm, requirement to display screen component plastics also more and more higher, current is aobvious
The fireproof high-temperature resistant ability and physical strength of display screen remain to further reinforcement.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art to be moulded there is provided a kind of computer display with shell
Material and preparation method thereof, is prepared simply, physical property is outstanding, with preferably fireproof high-temperature resistant ability.
A kind of computer display casing plastic that the present invention is provided, includes the raw material of following parts by weight：
35-40 parts of acrylonitrile-butadiene-styrene copolymer, 15-20 parts of makrolon, 8-10 parts of polyvinyl chloride, polytetrafluoroethyl-ne
6-8 parts of alkene, 3-5 parts of haloflex, 5-7 parts of silicon rubber, 3-5 parts of polybismaleimide, 2- hydroxyl -4- n-octyloxy hexichol
5-8 parts of ketone, 4-6 parts of molybdenum disulfide, 8-12 parts of red phosphorus, 7-9 parts of melamine phosphate, 16-18 parts of calcium carbonate, magnesium hydroxide
10-13 parts, 7-11 parts of plasticizer, 2-4 parts of lubricant, 1-2 parts of stabilizer, 2-4 parts of antistatic additive.
Preferably, the mesh number of magnesium hydroxide is 300 mesh, the mesh number of molybdenum disulfide is 300 mesh, and calcium carbonate is 500 mesh weights
Matter calcium carbonate.
Preferably, plasticizer is triethyl citrate, ATBC, tributyl 2-acetylcitrate, citric acid three
Monooctyl ester, ATOC, citric acid tri-n-hexyl ester, one or two or more kinds of mixing of ATHC
Thing.
Preferably, lubricant be paraffin, stearic acid, butyl stearate, oleamide, one kind of ethylene bis stearamide or
More than two kinds of mixture.
Preferably, stabilizer be calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxidized soybean oil and
The mixture of ultra-violet absorber.
Preferably, antistatic additive be polyoxyethylene, fatty acid glyceride, sorbitan fatty acid ester,
Polyethylene glycol oxide fat ether, polyethylene glycol oxide alkyl phenylate, the one or two or more kinds of of macrogol ester fatty acid ester mix
Compound.
Present invention also offers a kind of preparation method of computer display casing plastic, comprise the following steps：
（1）, by above-mentioned parts by weight weigh various raw materials；
（2）, by acrylonitrile-butadiene-styrene copolymer, makrolon, polyvinyl chloride, polytetrafluoroethylene (PTFE), haloflex,
Silicon rubber, polybismaleimide, calcium carbonate, magnesium hydroxide, plasticizer, lubricant, stabilizer be added to stirring in mixer
20-30min, is then placed in baking oven and dries 6h, obtain mixture；
（3）, by step（2）In mixture, 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide, red phosphorus, melamine
Phosphate, antistatic additive are added to double screw extruder extruding pelletization, obtain pellet；
（4）, pellet dry after add injection machine injection molding, you can.
Wherein,
Step（2）After middle stirring 20-30min, 5min is stood, then proceedes to stir 5-8min.
Step（3）In double screw extruder 170-275 DEG C of extrusion temperature.
A kind of computer display casing plastic of the present invention and preparation method thereof, is prepared simply, physical property is outstanding,
With preferably fireproof high-temperature resistant ability, specifically have the beneficial effect that：
（1）, polytetrafluoroethylene (PTFE) have preferably antiacid alkali, high temperature resistant, friction system it is low, polycarbonate is heat-resisting, shock resistance, resistance to punching
Hit performance good, refractive index is high, good processability, acrylonitrile-butadiene-styrene copolymer has preferably heat resistance, acidproof
Alkali salt, hardness, the finish of the mobility of processing and product surface, haloflex has excellent weatherability, resistance to ozone, resistance to
Chemicals and ageing-resistant performance, with good oil resistivity, anti-flammability and tinctorial property, acrylonitrile-butadiene-styrene (ABS) is common
Polymers, makrolon, polyvinyl chloride, polytetrafluoroethylene (PTFE), the cooperation of haloflex cause casing plastic to have preferably physics
Intensity, antiacid alkali, heat-resisting ability；
（2）, silicon rubber there is preferably heat-resisting ability；Polybismaleimide has outstanding high temperature resistant and moisture resistance
Energy；2-hydroxy-4-n-octoxybenzophenone can improve the weather resistance of casing plastic；Molybdenum disulfide, red phosphorus, melamine phosphorus
Acid esters, calcium carbonate, magnesium hydroxide can improve the fire resisting of casing plastic, high-temperature behavior, while intensity can be improved；
（3）, plasticizer, lubricant, stabilizer, antistatic additive can improve the physical property and processing stability of casing plastic；
（4）, various raw materials correspondence ratios of the invention mixing, be effective to ensure that casing plastic corrosion-and high-temp-resistant ability,
Weather-proof and fuel tolerance capability, makes casing plastic have preferably physical strength, while increasing the service life of casing plastic；Preparation side
Method will effectively can be sufficiently mixed between each raw material, it is ensured that the quality of casing plastic.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1
A kind of computer display casing plastic of the present embodiment, includes the raw material of following parts by weight：
35 parts of acrylonitrile-butadiene-styrene copolymer, 15 parts of makrolon, 8 parts of polyvinyl chloride, 6 parts of polytetrafluoroethylene (PTFE), chlorine
Change 3 parts of polyethylene, 5 parts of silicon rubber, 3 parts of polybismaleimide, 5 parts of 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide
4 parts, it is 8 parts of red phosphorus, 7 parts of melamine phosphate, 16 parts of calcium carbonate, 10 parts of magnesium hydroxide, 7 parts of plasticizer, 2 parts of lubricant, steady
Determine 1 part of agent, 2 parts of antistatic additive.
In the present embodiment, the mesh number of magnesium hydroxide is 300 mesh, and the mesh number of molybdenum disulfide is 300 mesh, and calcium carbonate is 500 mesh
Powdered whiting.
In the present embodiment, plasticizer is triethyl citrate, ATBC, tributyl 2-acetylcitrate, citric acid
Three monooctyl esters, ATOC, citric acid tri-n-hexyl ester, the mixture of ATHC.
In the present embodiment, lubricant is paraffin, stearic acid, butyl stearate, oleamide, the mixing of ethylene bis stearamide
Thing.
In the present embodiment, stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxidized soybean oil
With the mixture of ultra-violet absorber.
In the present embodiment, antistatic additive is polyoxyethylene, fatty acid glyceride, sorbitol anhydride fatty acid
The fatty ether of ester, polyethylene glycol oxide, polyethylene glycol oxide alkyl phenylate, the mixture of macrogol ester fatty acid ester.
The present embodiment additionally provides a kind of preparation method of computer display casing plastic, comprises the following steps：
（1）, by above-mentioned parts by weight weigh various raw materials；
（2）, by acrylonitrile-butadiene-styrene copolymer, makrolon, polyvinyl chloride, polytetrafluoroethylene (PTFE), haloflex,
Silicon rubber, polybismaleimide, calcium carbonate, magnesium hydroxide, plasticizer, lubricant, stabilizer be added to stirring in mixer
20min, is then placed in baking oven and dries 6h, obtain mixture；
（3）, by step（2）In mixture, 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide, red phosphorus, melamine
Phosphate, antistatic additive are added to double screw extruder extruding pelletization, obtain pellet；
（4）, pellet dry after add injection machine injection molding, you can.
Wherein,
Step（2）After middle stirring 20min, 5min is stood, then proceedes to stir 5min.
Step（3）In double screw extruder 170 DEG C of extrusion temperature.
Embodiment 2
A kind of computer display casing plastic of the present embodiment, includes the raw material of following parts by weight：
38 parts of acrylonitrile-butadiene-styrene copolymer, 18 parts of makrolon, 9 parts of polyvinyl chloride, 7 parts of polytetrafluoroethylene (PTFE), chlorine
Change 4 parts of polyethylene, 6 parts of silicon rubber, 4 parts of polybismaleimide, 7 parts of 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide
5 parts, it is 10 parts of red phosphorus, 8 parts of melamine phosphate, 17 parts of calcium carbonate, 12 parts of magnesium hydroxide, 9 parts of plasticizer, 3 parts of lubricant, steady
Determine 1.5 parts of agent, 3 parts of antistatic additive.
In the present embodiment, the mesh number of magnesium hydroxide is 300 mesh, and the mesh number of molybdenum disulfide is 300 mesh, and calcium carbonate is 500 mesh
Powdered whiting.
In the present embodiment, plasticizer is triethyl citrate, ATBC, tributyl 2-acetylcitrate, citric acid
Three monooctyl esters, ATOC, citric acid tri-n-hexyl ester, the mixture of ATHC.
In the present embodiment, lubricant is paraffin, stearic acid, butyl stearate, oleamide, the mixing of ethylene bis stearamide
Thing.
In the present embodiment, stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxidized soybean oil
With the mixture of ultra-violet absorber.
In the present embodiment, antistatic additive is polyoxyethylene, fatty acid glyceride, sorbitol anhydride fatty acid
The fatty ether of ester, polyethylene glycol oxide, polyethylene glycol oxide alkyl phenylate, the mixture of macrogol ester fatty acid ester.
The present embodiment additionally provides a kind of preparation method of computer display casing plastic, comprises the following steps：
（1）, by above-mentioned parts by weight weigh various raw materials；
（2）, by acrylonitrile-butadiene-styrene copolymer, makrolon, polyvinyl chloride, polytetrafluoroethylene (PTFE), haloflex,
Silicon rubber, polybismaleimide, calcium carbonate, magnesium hydroxide, plasticizer, lubricant, stabilizer be added to stirring in mixer
25min, is then placed in baking oven and dries 6h, obtain mixture；
（3）, by step（2）In mixture, 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide, red phosphorus, melamine
Phosphate, antistatic additive are added to double screw extruder extruding pelletization, obtain pellet；
（4）, pellet dry after add injection machine injection molding, you can.
Wherein,
Step（2）After middle stirring 25min, 5min is stood, then proceedes to stir 7min.
Step（3）In double screw extruder 220 DEG C of extrusion temperature.
Embodiment 3
A kind of computer display casing plastic of the present embodiment, includes the raw material of following parts by weight：
40 parts of acrylonitrile-butadiene-styrene copolymer, 20 parts of makrolon, 10 parts of polyvinyl chloride, 8 parts of polytetrafluoroethylene (PTFE), chlorine
Change 5 parts of polyethylene, 7 parts of silicon rubber, 5 parts of polybismaleimide, 8 parts of 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide
6 parts, 12 parts of red phosphorus, 9 parts of melamine phosphate, 18 parts of calcium carbonate, 13 parts of magnesium hydroxide, 11 parts of plasticizer, 4 parts of lubricant,
2 parts of stabilizer, 4 parts of antistatic additive.
In the present embodiment, the mesh number of magnesium hydroxide is 300 mesh, and the mesh number of molybdenum disulfide is 300 mesh, and calcium carbonate is 500 mesh
Powdered whiting.
In the present embodiment, plasticizer is triethyl citrate, ATBC, tributyl 2-acetylcitrate, citric acid
Three monooctyl esters, ATOC, citric acid tri-n-hexyl ester, the mixture of ATHC.
In the present embodiment, lubricant is paraffin, stearic acid, butyl stearate, oleamide, the mixing of ethylene bis stearamide
Thing.
In the present embodiment, stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxidized soybean oil
With the mixture of ultra-violet absorber.
In the present embodiment, antistatic additive is polyoxyethylene, fatty acid glyceride, sorbitol anhydride fatty acid
The fatty ether of ester, polyethylene glycol oxide, polyethylene glycol oxide alkyl phenylate, the mixture of macrogol ester fatty acid ester.
The present embodiment additionally provides a kind of preparation method of computer display casing plastic, comprises the following steps：
（1）, by above-mentioned parts by weight weigh various raw materials；
（2）, by acrylonitrile-butadiene-styrene copolymer, makrolon, polyvinyl chloride, polytetrafluoroethylene (PTFE), haloflex,
Silicon rubber, polybismaleimide, calcium carbonate, magnesium hydroxide, plasticizer, lubricant, stabilizer be added to stirring in mixer
30min, is then placed in baking oven and dries 6h, obtain mixture；
（3）, by step（2）In mixture, 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide, red phosphorus, melamine
Phosphate, antistatic additive are added to double screw extruder extruding pelletization, obtain pellet；
（4）, pellet dry after add injection machine injection molding, you can.
Wherein,
Step（2）After middle stirring 30min, 5min is stood, then proceedes to stir 8min.
Step（3）In double screw extruder 275 DEG C of extrusion temperature.
According to GB/T 12672-2009 detection method and examination criteria, embodiment 1-3 testing result is as follows：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | GB/T12672-2009 | |
| Stretching yield stress, MPa | 55.2 | 55.5 | 55.8 | ≥48 |
| Bending strength, MPa | 81.4 | 81.9 | 82.4 | ≥75 |
| Vicat softening temperature, DEG C | 121 | 123 | 127 | ≥107 |
From the above it can be seen that embodiment 1-3 has preferably physical strength.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of computer display casing plastic, it is characterised in that：Include the raw material of following parts by weight：
35-40 parts of acrylonitrile-butadiene-styrene copolymer, 15-20 parts of makrolon, 8-10 parts of polyvinyl chloride, polytetrafluoroethyl-ne
6-8 parts of alkene, 3-5 parts of haloflex, 5-7 parts of silicon rubber, 3-5 parts of polybismaleimide, 2- hydroxyl -4- n-octyloxy hexichol
5-8 parts of ketone, 4-6 parts of molybdenum disulfide, 8-12 parts of red phosphorus, 7-9 parts of melamine phosphate, 16-18 parts of calcium carbonate, magnesium hydroxide
10-13 parts, 7-11 parts of plasticizer, 2-4 parts of lubricant, 1-2 parts of stabilizer, 2-4 parts of antistatic additive.
2. computer display casing plastic according to claim 1, it is characterised in that：The mesh number of magnesium hydroxide is
300 mesh, the mesh number of molybdenum disulfide is 300 mesh, and calcium carbonate is 500 mesh powdered whitings.
3. computer display casing plastic according to claim 1, it is characterised in that：Plasticizer is lemon triethylenetetraminehexaacetic acid
Ester, ATBC, tributyl 2-acetylcitrate, trioctyl lemon acid, ATOC, citric acid three just oneself
One or two or more kinds of mixtures of ester, ATHC.
4. computer display casing plastic according to claim 1, it is characterised in that：Lubricant is paraffin, tristearin
Acid, butyl stearate, oleamide, one or two or more kinds of mixtures of ethylene bis stearamide.
5. computer display casing plastic according to claim 1, it is characterised in that：Stabilizer be calcium stearate,
Castor oil acid calcium, zinc stearate, zinc ricinate, the mixture of epoxidized soybean oil and ultra-violet absorber.
6. computer display casing plastic according to claim 1, it is characterised in that：Antistatic additive is polyoxyethylene
The fatty ether of allylic alkylation amine, fatty acid glyceride, sorbitan fatty acid ester, polyethylene glycol oxide, polyethylene glycol oxide alkylbenzene
One or two or more kinds of mixtures of ether, macrogol ester fatty acid ester.
7. a kind of preparation method of computer display casing plastic according to claim 1-6 any one, it is special
Levy and be：Comprise the following steps：
(1) various raw materials, are weighed by above-mentioned parts by weight；
(2), by acrylonitrile-butadiene-styrene copolymer, makrolon, polyvinyl chloride, polytetrafluoroethylene (PTFE), haloflex,
Silicon rubber, polybismaleimide, calcium carbonate, magnesium hydroxide, plasticizer, lubricant, stabilizer be added to stirring in mixer
20-30min, is then placed in baking oven and dries 6h, obtain mixture；
(3), by the mixture in step (2), 2-hydroxy-4-n-octoxybenzophenone, molybdenum disulfide, red phosphorus, melamine
Phosphate, antistatic additive are added to double screw extruder extruding pelletization, obtain pellet；
(4) injection machine injection molding is added after, pellet is dried, you can.
8. the preparation method of computer display casing plastic according to claim 7, it is characterised in that：Step (2)
After middle stirring 20-30min, 5min is stood, then proceedes to stir 5-8min.
9. the preparation method of computer display casing plastic according to claim 7, it is characterised in that：Step (3)
In double screw extruder 170-275 DEG C of extrusion temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109467762A (en) * | 2018-11-19 | 2019-03-15 | 南昌科悦企业管理咨询有限公司 | A kind of material and preparation method thereof making computer display screen |
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| CN109467762A (en) * | 2018-11-19 | 2019-03-15 | 南昌科悦企业管理咨询有限公司 | A kind of material and preparation method thereof making computer display screen |
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Application publication date: 20170915 |