CN110563984A - super-strong uvioresistant special-effect color acrylic plate - Google Patents
super-strong uvioresistant special-effect color acrylic plate Download PDFInfo
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- CN110563984A CN110563984A CN201810572869.1A CN201810572869A CN110563984A CN 110563984 A CN110563984 A CN 110563984A CN 201810572869 A CN201810572869 A CN 201810572869A CN 110563984 A CN110563984 A CN 110563984A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a super-strong anti-ultraviolet special-effect colored acrylic plate, wherein more than one colored layer is UV-cured on a substrate super-strong anti-ultraviolet transparent acrylic plate layer, and the substrate super-strong anti-ultraviolet transparent acrylic plate layer consists of pre-polymerized MMA slurry, hindered phenol antioxidants, phosphite antioxidants, benzotriazole ultraviolet absorbers, PR25 ultraviolet absorbers, azo medium-temperature initiators and azo low-temperature initiators; the color layer is composed of color paste, 184 light curing agent, PR25 ultraviolet absorbent, azo low-temperature initiator and prepolymerization MMA according to the mass ratio. The plate has long service life, convenient processing and manufacture and low cost.
Description
Technical Field
The invention belongs to the technical field of organic glass preparation, and relates to a method for preparing a colored acrylic plate and a product.
Background introduction
PMMA is a transparent material with excellent comprehensive performance, and has excellent light transmission, the total light transmittance can reach 92 percent, and the apparent glossiness is good. The colorful acrylic plate is mainly used in the fields of label identification, exhibition and display, lamp box for lamp decoration, home and bathroom, and the like, and the general method for preparing the colorful acrylic plate by bulk polymerization at the present stage comprises the following steps: directly mixing and stirring color paste in a certain proportion and the pre-polymerized MMA paste, and then casting and molding the color acryl. The method for preparing the color acrylic product comprises the following steps: the color acrylic plate is produced by a traditional method, and then the color acrylic lamp box, the color acrylic luminous characters and other products are formed by carving, plastic suction and other subsequent processing. And the color is added integrally, the polymerization time is from 2 hours to 400 hours according to different thicknesses, the manufacturing period is long, and the cost is high.
Disclosure of Invention
the invention provides the preparation method of the super-strong uvioresistant special-effect colored acrylic plate, which has simple process, is beneficial to shortening the manufacturing period, reducing the cost and prolonging the service life of the plate.
The technical scheme adopted by the invention is as follows:
The super-strong anti-ultraviolet special-effect colored acrylic board is characterized by comprising a base material super-strong anti-ultraviolet transparent acrylic board layer and a colored layer, wherein more than one colored layer is UV-cured on the base material super-strong anti-ultraviolet transparent acrylic board layer, the base material super-strong anti-ultraviolet transparent acrylic board layer consists of 98.75-99.75% of pre-polymerization MMA slurry, 0.1% of ~ -0.3% of hindered phenol antioxidants, 0.1% ~% of phosphite antioxidants, 0.1% of ~ -0.3% of benzotriazole ultraviolet absorbers, 0.1% ~% of PR25 ultraviolet absorbers, 0.01% ~ -0.05% of moderate-temperature initiators, 0.004% ~ -0.4% of azo low-temperature initiators, and the colored layer consists of 0.2-5% of pre-polymerization ultraviolet color paste, 0.04-0.4% of light curing agents, 0.184% of MMA initiators, 0.3% of azo initiators and 0.3% of pre-polymerization initiators.
The preparation method comprises the following steps:
1) preparing a superstrong uvioresistant transparent acrylic plate base material, namely using 98.75-99.75% of pre-polymerized MMA slurry, 0.1% ~ 0.3.3% of hindered phenol antioxidants, 0.1 thousandth ~ 3 thousandth of phosphite antioxidants, 0.1% ~ 0.3% of benzotriazole ultraviolet absorbers, 0.1 thousandth ~ 3% of PR25 ultraviolet absorbers and 0.01 thousandth ~ 0.05.05 thousandth of azo medium-temperature initiators to pre-polymerize into slurry according to the mass ratio, adding 0.004 thousandth ~ 0.4.4 thousandth of azo low-temperature initiators to stir, casting the plate after vacuum filtration, polymerizing in a water pool at ~ 60 ℃ of 48 ℃, and performing high-temperature treatment at ~ 130 ℃ of 115 ℃ to form the superstrong uvioresistant universal transparent acrylic plate;
2) a color slurry centralized preparation system, wherein color design is carried out according to the requirements of a color acrylic plate, 0.2-5% of color paste, 0.04-0.4% of 184 light curing agent, 0.1% of ~ 0.3.3% of PR25 ultraviolet absorbent, 0.004 thousandth ~ 0.4.4 thousandth of azo low-temperature initiator and 94.26-99.66% of pre-polymerization MMA slurry are used according to the mass ratio, are uniformly stirred and are subjected to vacuum filtration for later use;
3) coating slurry: injecting color slurry into a material storage cavity of coating equipment by a power pump, wherein the color slurry is uniformly distributed on the surface of a roller coating cylinder, the coating thickness is 0.05-0.5mm, the contact distance between the roller coating cylinder and acrylic is required to be adjusted for transparent acrylic plates with different thicknesses, and the color slurry is automatically coated on the surface of the cleaned transparent acrylic plate after the equipment is operated;
4) Bulk polymerization: and (3) feeding the transparent acrylic plate coated with the color slurry into a UV curing device for UV curing and high-temperature integrated body polymerization or UV curing body polymerization, and repeating the coating and polymerization for multiple times until the spraying color reaches 0.1-1mm according to the required color effect and light transmittance requirement.
The super-strong anti-ultraviolet special-effect colored acrylic board is characterized by comprising a base material super-strong anti-ultraviolet transparent acrylic board layer and a colored layer, wherein the UV cured colored layer is arranged on the base material super-strong anti-ultraviolet transparent acrylic board layer, the base material super-strong anti-ultraviolet transparent acrylic board layer consists of 98.75% -99.75% of pre-polymerization MMA slurry, 0.1% ~.3% of hindered phenol antioxidants, 0.1% ~% of phosphite antioxidants, 0.1% ~, 0.3% of benzotriazole ultraviolet absorbers, 0.1% 5639% of PR25 ultraviolet absorbers, 0.01% ~, 0.05% of azo initiators, 0.004% ~, 0.4% of azo low-temperature initiators, 0.2% -5% of pre-polymerization initiators, 0.04% -0.4% of light curing agents, 0.184.1% of PR 28, 0.3% of PR 3% and 0.4934% of low-temperature initiators.
2. the super-strong ultraviolet-resistant special-effect colored acrylic plate according to claim 1, which is characterized in that: the substrate superstrong uvioresistant transparent acrylic plate layer can be provided with a plurality of colored layers, and the single thickness of each colored layer is 0.05-0.5 mm.
The preparation method of the substrate transparent anti-ultraviolet acrylic plate comprises the steps of using a compound ultraviolet absorbent and an antioxidant through formula design, adding an azo intermediate-temperature initiator, pre-polymerizing into slurry, adding an azo low-temperature initiator through a centralized batching system, stirring, carrying out vacuum filtration, preparing the plate, polymerizing in a water tank, and carrying out high-temperature treatment to form the ultra-strong anti-ultraviolet transparent acrylic plate.
The preparation method of the color acrylic plate comprises the steps of adding proper pigments into acrylic slurry through a centralized batching system, preparing, stirring and vacuum filtering according to a proportion, coating the slurry on the surface of a transparent plate at a constant speed by using a power conveying system, and polymerizing the body into the crystal effect anti-ultraviolet color acrylic plate in a rapid UV curing mode or a mode shared by UV curing and thermal curing.
the method for manufacturing the color acrylic plate comprises the steps of preparing, stirring and vacuum filtering the required color slurry in proportion, then carrying out batching and coating through a centralized batching device according to the color design requirement, and carrying out bulk polymerization in a UV lamp-equipped device or a strong heat UV curing device after coating, wherein the process can be repeated for many times to achieve the shading and color effects of the required color plate. The transparent acrylic plate is used as a use surface in the later use process, and the crystal texture and the ultraviolet resistance effect of the colored plate are enhanced.
the invention subverts the traditional method for directly casting and producing the color acrylic plate and processing the color acrylic plate produced by the traditional method into the color acrylic product again, and solves the defects of dark color, long forming and polymerizing time and no aging resistance of the color plate; the defects of dull color, long manufacturing period and no aging resistance of the color acrylic product are overcome. The method for manufacturing the color plate has the advantages that the curing speed is high, the color plate can be designed at will, and the transparent acrylic plate and the color slurry are polymerized by the bulk material, so that the method has no influence on post processing, and can quickly respond to various color plate requirements in the market. Can effectively save energy consumption, shorten production period and reduce production cost.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
in the figure: a base material superstrong uvioresistant transparent acrylic plate layer 1 and a color layer 2.
Detailed Description
FIG. 1 shows a super-strong anti-ultraviolet special-effect colored acrylic sheet, which comprises a substrate super-strong anti-ultraviolet transparent acrylic sheet layer 1 and a colored layer 2, wherein more than one colored layer 2 is UV-cured on the substrate super-strong anti-ultraviolet transparent acrylic sheet layer 1, the substrate super-strong anti-ultraviolet transparent acrylic sheet layer is composed of 98.75% -99.75% of pre-polymerization slurry, 0.1% ~.3% of hindered phenol antioxidants, 0.1% ~% of phosphite antioxidants, 0.1% ~.3% of benzotriazole ultraviolet absorbers, 0.1% 5639% of PR25 ultraviolet absorbers, 0.01% ~.05% of medium-temperature initiators, 0.004% ~ 0.4% of azo low-temperature initiators, 0.2% -5% of pre-polymerization color paste, 0.04% -0.4% of photo-azo initiators, 0.184% of MMA initiators, 0.66% of pre-polymerization initiators and 0.4934% of azo initiators.
The following preparation examples are listed in detail according to the preparation procedures of the above examples.
Example 1:
A preparation method of a super-strong anti-ultraviolet special-effect colored acrylic plate is characterized by comprising the following steps:
1) manufacturing a base material ultra-strong anti-ultraviolet transparent acrylic plate: using 98.75% of prepolymerization MMA slurry, 0.3% of hindered phenol antioxidant, 3 thousandth of phosphite antioxidant, 0.3% of benzotriazole ultraviolet absorbent, 3 thousandth of PR25 ultraviolet absorbent and 0.05 thousandth of azo medium-temperature initiator to prepolymerize into slurry according to the mass ratio, adding 0.4 thousandth of azo low-temperature initiator to stir, casting and manufacturing a plate after vacuum filtration, polymerizing in a 48 ℃ water pool, and performing high-temperature treatment at 115 ℃ to form the ultra-strong anti-ultraviolet general transparent acrylic plate;
2) A color slurry centralized preparation system, wherein color design is carried out according to the requirement of a color acrylic plate, 5 percent of color paste, 0.4 percent of 184 light curing agent, 0.3 percent of PR25 ultraviolet absorbent, 0.4 per mill of azo low-temperature initiator and 94.26 percent of pre-polymerized MMA slurry are used according to the mass ratio and are uniformly stirred and subjected to vacuum filtration for later use;
3) Coating slurry: injecting color slurry into a material storage cavity of coating equipment by a power pump, wherein the color slurry is uniformly distributed on the surface of a roller coating cylinder, the coating thickness is 0.05-0.5mm, the contact distance between the roller coating cylinder and acrylic is required to be adjusted for transparent acrylic plates with different thicknesses, and the color slurry is automatically coated on the surface of the cleaned transparent acrylic plate after the equipment is operated;
4) bulk polymerization: and (3) feeding the transparent acrylic plate coated with the color slurry into a UV curing device for UV curing and high-temperature integrated body polymerization or UV curing body polymerization, and repeating the coating and polymerization for multiple times until the spraying color reaches 0.1-1mm according to the required color effect and light transmittance requirement.
example 2:
A preparation method of a super-strong anti-ultraviolet special-effect colored acrylic plate is characterized by comprising the following steps:
1) manufacturing a base material ultra-strong anti-ultraviolet transparent acrylic plate: using 99.75% of pre-polymerized MMA slurry, 0.1% of hindered phenol antioxidant, 0.1 thousandth of phosphite antioxidant, 0.1% of benzotriazole ultraviolet absorbent, 0.1 thousandth of PR25 ultraviolet absorbent and 0.01 thousandth of azo medium-temperature initiator to pre-polymerize into slurry according to the mass ratio, adding 0.004 thousandth of azo low-temperature initiator to stir, casting and manufacturing a plate after vacuum filtration, polymerizing in a water tank at 60 ℃, and performing high-temperature treatment at 130 ℃ to form the ultra-strong anti-ultraviolet general transparent acrylic plate;
2) A color slurry centralized preparation system, wherein color design is carried out according to the requirements of a color acrylic plate, 0.2 percent of color paste, 0.04 percent of 184 light curing agent, 0.1 percent of PR25 ultraviolet absorbent, 0.004 thousandth of azo low-temperature initiator and 99.66 percent of pre-polymerized MMA slurry are used according to the mass ratio and are uniformly stirred and subjected to vacuum filtration for later use;
3) coating slurry: injecting color slurry into a material storage cavity of coating equipment by a power pump, wherein the color slurry is uniformly distributed on the surface of a roller coating cylinder, the coating thickness is 0.05-0.5mm, the contact distance between the roller coating cylinder and acrylic is required to be adjusted for transparent acrylic plates with different thicknesses, and the color slurry is automatically coated on the surface of the cleaned transparent acrylic plate after the equipment is operated;
4) bulk polymerization: and (3) feeding the transparent acrylic plate coated with the color slurry into a UV curing device for UV curing and high-temperature integrated body polymerization or UV curing body polymerization, and repeating the coating and polymerization for multiple times until the spraying color reaches 0.1-1mm according to the required color effect and light transmittance requirement.
example 1:
A preparation method of a super-strong anti-ultraviolet special-effect colored acrylic plate is characterized by comprising the following steps:
1) manufacturing a base material ultra-strong anti-ultraviolet transparent acrylic plate: using 99.5% of prepolymerization MMA slurry, 0.25% of hindered phenol antioxidant, 0.18 per thousand of phosphite antioxidant, 0.15% of benzotriazole ultraviolet absorbent, 0.2 per thousand of PR25 ultraviolet absorbent and 0.03 per thousand of azo medium-temperature initiator to perform prepolymerization to form slurry according to the mass ratio, adding 0.1 per thousand of azo low-temperature initiator to stir, casting and manufacturing a plate after vacuum filtration, polymerizing in a water tank at 50 ℃, and performing high-temperature treatment at 120 ℃ to form the ultra-strong anti-ultraviolet general transparent acrylic plate;
2) A color slurry centralized preparation system, wherein color design is carried out according to the requirement of a color acrylic plate, 3 percent of color paste, 0.2 percent of 184 light curing agent, 0.2 percent of PR25 ultraviolet absorbent, 0.1 per thousand of azo low-temperature initiator and 97.5 percent of pre-polymerized MMA slurry are used according to the mass ratio and are uniformly stirred and subjected to vacuum filtration for later use;
3) Coating slurry: injecting color slurry into a material storage cavity of coating equipment by a power pump, wherein the color slurry is uniformly distributed on the surface of a roller coating cylinder, the coating thickness is 0.05-0.5mm, the contact distance between the roller coating cylinder and acrylic is required to be adjusted for transparent acrylic plates with different thicknesses, and the color slurry is automatically coated on the surface of the cleaned transparent acrylic plate after the equipment is operated;
4) Bulk polymerization: and (3) feeding the transparent acrylic plate coated with the color slurry into a UV curing device for UV curing and high-temperature integrated body polymerization or UV curing body polymerization, and repeating the coating and polymerization for multiple times until the spraying color reaches 0.1-1mm according to the required color effect and light transmittance requirement.
Claims (2)
1. The super-strong anti-ultraviolet special-effect colored acrylic board is characterized by comprising a base material super-strong anti-ultraviolet transparent acrylic board layer and a colored layer, wherein more than one colored layer is UV-cured on the base material super-strong anti-ultraviolet transparent acrylic board layer, the base material super-strong anti-ultraviolet transparent acrylic board layer consists of 98.75-99.75% of pre-polymerization MMA slurry, 0.1% of ~ -0.3% of hindered phenol antioxidants, 0.1% ~% of phosphite antioxidants, 0.1% of ~ -0.3% of benzotriazole ultraviolet absorbers, 0.1% ~% of PR25 ultraviolet absorbers, 0.01% ~ -0.05% of moderate-temperature initiators, 0.004% ~ -0.4% of azo low-temperature initiators, and the colored layer consists of 0.2-5% of pre-polymerization ultraviolet color paste, 0.04-0.4% of light curing agents, 0.184% of MMA initiators, 0.3% of azo initiators and 0.3% of pre-polymerization initiators.
2. the super-strong ultraviolet-resistant special-effect colored acrylic plate according to claim 1, which is characterized in that: the substrate superstrong uvioresistant transparent acrylic plate layer is provided with a plurality of colored layers, and the single thickness of each colored layer is 0.05-0.5 mm.
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| CN201810572869.1A CN110563984A (en) | 2018-06-06 | 2018-06-06 | super-strong uvioresistant special-effect color acrylic plate |
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| CN201810572869.1A CN110563984A (en) | 2018-06-06 | 2018-06-06 | super-strong uvioresistant special-effect color acrylic plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139476A (en) * | 2006-09-05 | 2008-03-12 | 三星电子株式会社 | Color tinted clear coating composition and method for producing the same |
| CN102230977A (en) * | 2011-05-11 | 2011-11-02 | 泰兴汤臣压克力有限公司 | LCD light guide panel and moulding technology thereof |
| CN202242206U (en) * | 2011-10-13 | 2012-05-30 | 平湖市中正塑板有限公司 | Novel acrylic composite board |
| CN102690473A (en) * | 2012-06-07 | 2012-09-26 | 芜湖创科塑料科技有限公司 | Weather resistant type color co-extruding dedicated material with pearly-luster decoration effect and manufacturing method thereof |
| CN102917089A (en) * | 2012-10-09 | 2013-02-06 | 金振平 | Display screen panel and processing method thereof |
-
2018
- 2018-06-06 CN CN201810572869.1A patent/CN110563984A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139476A (en) * | 2006-09-05 | 2008-03-12 | 三星电子株式会社 | Color tinted clear coating composition and method for producing the same |
| CN102230977A (en) * | 2011-05-11 | 2011-11-02 | 泰兴汤臣压克力有限公司 | LCD light guide panel and moulding technology thereof |
| CN202242206U (en) * | 2011-10-13 | 2012-05-30 | 平湖市中正塑板有限公司 | Novel acrylic composite board |
| CN102690473A (en) * | 2012-06-07 | 2012-09-26 | 芜湖创科塑料科技有限公司 | Weather resistant type color co-extruding dedicated material with pearly-luster decoration effect and manufacturing method thereof |
| CN102917089A (en) * | 2012-10-09 | 2013-02-06 | 金振平 | Display screen panel and processing method thereof |
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Application publication date: 20191213 |