CN109593446B - Water-based polyester baking paint for teaching board - Google Patents
Water-based polyester baking paint for teaching board Download PDFInfo
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- CN109593446B CN109593446B CN201811276750.6A CN201811276750A CN109593446B CN 109593446 B CN109593446 B CN 109593446B CN 201811276750 A CN201811276750 A CN 201811276750A CN 109593446 B CN109593446 B CN 109593446B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
A water-based polyester baking paint for teaching boards comprises the following ingredients: 0.5-1.3 parts of a leveling agent, 0.2-0.6 part of an auxiliary agent, 6-10 parts of an adhesion promoter, 8-16 parts of epoxy resin, 1-3 parts of a catalyst, 16-20 parts of amino resin, 38-44 parts of methylated amino resin and 2-6 parts of deionized water, wherein the ingredients are weighed according to a formula and then sequentially added into 320-360 parts of water-based white paint for continuous stirring. The prepared water-based polyester baking paint for teaching boards has the characteristics of water-based paint, high hardness, environmental protection, high luster, high whiteness, good adhesive force and good writing and wiping effects of white board pens. Meanwhile, the discharge of VOC is reduced, and the environment is protected.
Description
Technical Field
The invention relates to baking varnish, in particular to water-based polyester baking varnish for teaching boards.
Background
The coating can be coated on the surface of an object by different construction processes to form a continuous solid film with firm adhesion and certain strength. The film thus formed is generally called a coating film, also called a paint film or a coating. The paint is classified into liquid paint (solution type, emulsion type, dispersion type, solvent-free type), solid paint (powder paint) and the like according to the form of the paint; the paint is divided into building paint, industrial paint, general paint and special paint according to the purpose of the paint; the paint is divided into water-based paint, solvent-free paint and the like according to dispersion media; according to the function of the coating, the coating is divided into antirust coating, anticorrosive coating, temperature-resistant coating, fireproof coating, insulating coating, antifouling coating and the like; according to the function of the coating, the coating is divided into antirust coating, anticorrosive coating, temperature-resistant coating, fireproof coating, insulating coating, antifouling coating and the like; the paint is divided into paint spraying, paint dipping, electrophoretic paint, self-electrophoretic paint, roller paint and the like according to the construction method.
The coating has the functions of reflecting light, emitting light, absorbing and reflecting infrared rays, absorbing solar energy, shielding rays, marking colors and other optical properties; it also has various functions of noise prevention, vibration reduction, sanitation, dewing prevention, icing prevention and the like. The paint has the characteristics of light and color retention, glossy appearance, fine color and the like, has strong adhesive force to a substrate or an old paint film, and has the characteristics of hardness, impact, flexibility and the like.
At present, the coating industry in China faces huge challenges, the competition of the coating market is unprecedented, domestic enterprises want to occupy a place in the market, and the development of new technologies and new products is a key. The development of special paint will become the development hotspot of the 21 st century Chinese paint market. Various functional coatings in China, such as waterproof materials, fireproof coatings, floor coatings, fluorocarbon coatings, nano composite coatings, camouflage coatings, antifouling coatings, heavy-duty anticorrosive coatings, coil coatings, waterborne polyurethane coatings, heat-insulating coatings and the like. Meanwhile, the paint is developing towards the direction of low pollution and no public nuisance, such as water-based, powdered, solvent-free, high-solid, radiation curing and the like. At present, the low-pollution and pollution-free coating accounts for more than 70% of the total coating, and accounts for more than 93% of the coating in 2015. The water-based paint is the prime force of future paint, currently accounts for more than 30% of the total amount of the paint in the world, and has absolute advantages in architectural paint which is one of 2 largest application fields in the paint industry, particularly in industrially developed countries. In another largest application area, industrial coatings, waterborne coatings have accounted for 20% of the world's industrial coatings, and will reach over 30% by 2010.
Recently, higher requirements are also made on the functionality of baking paint, the common coating used in the domestic coil industry cannot meet the coating requirements of teaching boards at present, and 90 percent of the used coating is solvent-based.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides the water-based polyester baking paint for teaching boards, which is high in hardness, environment-friendly, high in gloss, high in whiteness, good in adhesive force and good in writing and wiping effects of white board pens.
The technical problem to be solved by the invention is realized by the following technical scheme,
an aqueous polyester baking paint for teaching boards is characterized in that:
firstly, preparing materials: 0.5 to 1.3 parts by weight of a leveling agent, 0.2 to 0.6 part by weight of an auxiliary agent, 6 to 10 parts by weight of an adhesion promoter, 8 to 16 parts by weight of an epoxy resin, 1 to 3 parts by weight of a catalyst, 16 to 20 parts by weight of an amino resin, 38 to 44 parts by weight of a methylated amino resin, 2 to 6 parts by weight of deionized water,
weighing the ingredients according to a formula, sequentially adding the ingredients into 320-360 parts by weight of white paint, continuously stirring, and blending to obtain the finished product;
secondly, the manufacturing method of the white paint comprises the following steps:
grinding and batching: 18-23 parts of water-soluble polyester resin, 1-1.5 parts of deionized water, 1-1.5 parts of dispersing agent, 1-2 parts of anti-settling agent and 30-35 parts of titanium dioxide, wherein the materials are added into a kettle and stirred at a high speed, then the stirred materials are fully ground by a sand mill, and the materials are ground to below 15 mu m by high-speed stirring to prepare slurry.
And (3) finished product batching: 0.05-0.1 part of defoaming agent, 0.5-1 part of flatting agent, 20-30 parts of water-soluble polyester resin, 8.5-13.5 parts of amino resin, 0.3-0.8 part of catalyst, 0.3-0.8 part of wax slurry, 0.1-0.3 part of auxiliary agent and 0.5-1 part of deionized water, and the components are added into the slurry which is ground before and fully stirred and prepared.
The technical problem to be solved by the invention can be further realized by the following technical scheme that in the step one, 0.8 part by weight of leveling agent, 0.4 part by weight of auxiliary agent, 8 parts by weight of adhesion promoter, 12 parts by weight of epoxy resin, 2 parts by weight of catalyst, 18 parts by weight of amino resin, 42 parts by weight of methylated amino resin and 4 parts by weight of deionized water are added.
The technical problem to be solved by the invention can be further realized by the following technical scheme, and the common white paint is 34 parts by weight.
The technical problem to be solved by the invention can be further realized by the following technical scheme, wherein the adhesion promoter is a non-polysiloxane-free nonionic compound.
The technical problem to be solved by the invention can be further realized by the following technical scheme, and the flatting agent is fluorocarbon modified acrylate.
The technical problem to be solved by the invention can be further realized by the following technical scheme, wherein the preparation method of the water-based white paint comprises the following steps: grinding and batching: 20 parts of water-soluble polyester resin, 1.2 parts of deionized water, 1.2 parts of dispersing agent, 1 part of anti-settling agent and 32 parts of titanium dioxide; and (3) finished product batching: 0.08 part of defoaming agent, 0.7 part of flatting agent, 25 parts of water-soluble polyester resin, 10.5 parts of amino resin, 0.6 part of catalyst, 0.5 part of wax slurry, 0.2 part of auxiliary agent and 0.8 part of deionized water.
Compared with the prior art, the water-based baking paint for teaching boards is a water-based functional paint, a coil paint and an environment-friendly paint. The coiled material produced by the coating is mainly applied to the stationery industry and is a main material for manufacturing teaching white boards. The water-based polyester baking paint for teaching boards prepared by adding a unique formula and a unique process into the water-based common white paint has the characteristics of water-based paint, high hardness, environmental protection, high luster, high whiteness, good adhesive force and good writing and wiping effects of white board pens. Meanwhile, the discharge of VOC is reduced, and the environment is protected.
Detailed Description
The following further describes particular embodiments of the present invention to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
An aqueous polyester baking varnish for teaching boards,
firstly, preparing materials: 0.5 to 1.3 parts by weight of a leveling agent, 0.2 to 0.6 part by weight of an auxiliary agent, 6 to 10 parts by weight of an adhesion promoter, 8 to 16 parts by weight of an epoxy resin, 1 to 3 parts by weight of a catalyst, 16 to 20 parts by weight of an amino resin, 38 to 44 parts by weight of a methylated amino resin, 2 to 6 parts by weight of deionized water,
weighing the ingredients according to a formula, sequentially adding the ingredients into 320-360 parts by weight of white paint, continuously stirring, and blending to obtain the finished product;
secondly, the manufacturing method of the white paint comprises the following steps:
grinding and batching: 18-23 parts of water-soluble polyester resin, 1-1.5 parts of deionized water, 1-1.5 parts of dispersing agent, 1-2 parts of anti-settling agent and 30-35 parts of titanium dioxide, wherein the materials are added into a kettle and stirred at a high speed, then the stirred materials are fully ground by a sand mill, and the materials are ground to below 15 mu m by high-speed stirring to prepare slurry.
And (3) finished product batching: 0.05-0.1 part of defoaming agent, 0.5-1 part of flatting agent, 20-30 parts of water-soluble polyester resin, 8.5-13.5 parts of amino resin, 0.3-0.8 part of catalyst, 0.3-0.8 part of wax slurry, 0.1-0.3 part of auxiliary agent and 0.5-1 part of deionized water, and the components are added into the slurry which is ground before and fully stirred and prepared.
The water-based baking paint for teaching boards is a water-based functional coating, is a coil coating and is an environment-friendly coating. The coiled material produced by the coating is mainly applied to the stationery industry and is a main material for manufacturing teaching white boards. The water-based polyester baking paint for the teaching board meets the requirements of high hardness, good adhesive force, high whiteness, high glossiness and good writing effect of the teaching board, reduces VOC emission, and is more environment-friendly.
In the first step, the leveling agent is 0.8 weight part, the auxiliary agent is 0.4 weight part, the adhesion promoter is 8 weight parts, the epoxy resin is 12 weight parts, the catalyst is 2 weight parts, the amino resin is 18 weight parts, the methylated amino resin is 42 weight parts, and the deionized water is 4 weight parts.
The weight portion of the water-based common white paint is 34.
The preparation method of the water-based white paint comprises the following steps: grinding and batching: 20 parts of water-soluble polyester resin, 1.2 parts of deionized water, 1.2 parts of dispersing agent, 1 part of anti-settling agent and 32 parts of titanium dioxide; and (3) finished product batching: 0.08 part of defoaming agent, 0.7 part of flatting agent, 25 parts of water-soluble polyester resin, 10.5 parts of amino resin, 0.6 part of catalyst, 0.5 part of wax slurry, 0.2 part of auxiliary agent and 0.8 part of deionized water.
The adhesion promoter is a polysiloxane-free nonionic compound.
The flatting agent is fluorocarbon modified acrylic ester.
The leveling agent and the fluorocarbon modified acrylate leveling agent promote the surface leveling effect and prevent the orange peel phenomenon.
The catalyst is a cationic surfactant, can be used as a catalyst for coating, and can also be used as an amino baking varnish cooling catalyst.
Amino resin, high methyl ether, free formaldehyde, water and solvent solubility, excellent flexibility
The epoxy resin is mainly used for increasing the adhesive force, corrosion resistance and the like of the baking varnish.
The deionized water is properly adjusted according to the requirements of viscosity and content.
The adhesion promoter can greatly improve the adhesion between the film layer and the substrate, can obviously improve the binding force between the resin and various substrates, can greatly improve the interlayer adhesion between the paint finish and the primer, and can obviously improve the moisture resistance, the salt spray resistance and the heat resistance of the coating film, and the high adhesion and the bonding force can be obtained by using very small amount. Excellent storage stability and long-term efficacy in paint systems. The components are as follows: no silicone nonionic compound was present and the appearance was clear liquid. Such products are available on the market.
Detection conditions and requirements
Galvanized sheet 0.30mm thick, line bar scraping and baking detection
The baking temperature is 240 ℃, the baking time is 60-90 seconds, the plate temperature is 193 ℃ and 216 DEG C
Double coating process: the thickness of the dry film, 3-5 μm of the primer, 15-17 μm of the finish,
the surface paint is dried once, (resisting butanone wiping for 5 times of crushing) and the secondary baking can reach the required performance.
And (3) detecting a performance result:
the gloss is 70-100 degrees,
the hardness is more than or equal to 3H,
the adhesive force (grid-drawing) is O grade,
the impact force 13J is applied to the workpiece,
the T bend is less than or equal to 3T and does not crack,
the butanone (mek) resistance is more than or equal to 200 times.
Process flow and requirements
1. Checking whether the equipment and the tool are normal, safe and sanitary;
2. wear labor protection supplies;
3. accurately weighing the ingredients according to the formula;
4. preparing a finished product;
5. detecting the performance counter-index of the combination item;
6. color matching and then detecting various performance indexes;
7. and (7) qualified packaging.
Claims (3)
1. The water-based polyester baking paint for teaching boards is characterized in that:
(I) batching: 0.5-1.3 parts of a leveling agent, 0.2-0.6 part of an auxiliary agent, 6-10 parts of an adhesion promoter, 8-16 parts of epoxy resin, 1-3 parts of a catalyst, 16-20 parts of amino resin, 38-44 parts of methylated amino resin and 2-6 parts of deionized water;
the adhesion promoter is a polysiloxane-free nonionic compound;
weighing the ingredients according to a formula, sequentially adding the ingredients into 320-360 parts by weight of white paint, continuously stirring, and blending to obtain the finished product;
(II) the preparation method of the white paint comprises the following steps:
grinding and batching: 18-23 parts of water-soluble polyester resin, 1-1.5 parts of deionized water, 1-1.5 parts of dispersing agent, 1-2 parts of anti-settling agent and 30-35 parts of titanium dioxide, adding the materials into a kettle, stirring at a high speed, fully grinding the stirred materials by a sand mill, and stirring at a high speed until the particle size is less than 15 mu m to prepare slurry;
and (3) finished product batching: 0.05-0.1 part of defoaming agent, 0.5-1 part of flatting agent, 20-30 parts of water-soluble polyester resin, 8.5-13.5 parts of amino resin, 0.3-0.8 part of catalyst, 0.3-0.8 part of wax slurry, 0.1-0.3 part of auxiliary agent and 0.5-1 part of deionized water, and the components are added into the ground slurry and fully stirred to prepare the aqueous polyurethane adhesive;
the flatting agent is fluorocarbon modified acrylate;
the baking temperature is 240 ℃, the baking time is 60-90 seconds, the plate temperature is 193-216 ℃, a double coating process is adopted, and the thickness of a dry film is as follows: 3-5 μm of primer, 15-17 μm of finish, primary surface drying and secondary baking of the finish to achieve the required performance.
2. The waterborne polyester baking paint for teaching boards as claimed in claim 1, wherein: in the first step, the leveling agent is 0.8 weight part, the auxiliary agent is 0.4 weight part, the adhesion promoter is 8 weight parts, the epoxy resin is 12 weight parts, the catalyst is 2 weight parts, the amino resin is 18 weight parts, the methylated amino resin is 42 weight parts, and the deionized water is 4 weight parts.
3. The waterborne polyester baking paint for teaching boards as claimed in claim 1, wherein: in the preparation method of the white paint, grinding ingredients are as follows: 20 parts of water-soluble polyester resin, 1.2 parts of deionized water, 1.2 parts of dispersing agent, 1 part of anti-settling agent and 32 parts of titanium dioxide;
and (3) finished product batching: 0.08 part of defoaming agent, 0.7 part of flatting agent, 25 parts of water-soluble polyester resin, 10.5 parts of amino resin, 0.6 part of catalyst, 0.5 part of wax slurry, 0.2 part of auxiliary agent and 0.8 part of deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276750.6A CN109593446B (en) | 2018-10-30 | 2018-10-30 | Water-based polyester baking paint for teaching board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276750.6A CN109593446B (en) | 2018-10-30 | 2018-10-30 | Water-based polyester baking paint for teaching board |
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| Publication Number | Publication Date |
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| CN109593446A CN109593446A (en) | 2019-04-09 |
| CN109593446B true CN109593446B (en) | 2021-11-02 |
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| CN201811276750.6A Active CN109593446B (en) | 2018-10-30 | 2018-10-30 | Water-based polyester baking paint for teaching board |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344857A (en) * | 1991-07-19 | 1994-09-06 | Toyo Ink Manufacturing Co., Ltd. | Curing agent-free water based coating composition |
| CN102002305A (en) * | 2009-08-31 | 2011-04-06 | 无锡市金箭造漆有限公司 | Water-based precoated coiled material coating back paint and preparation method thereof |
| CN105368209A (en) * | 2015-11-26 | 2016-03-02 | 蚌埠市禹会区贵宾装饰材料商行 | Waterborne compound stoving varnish for photo frames |
| CN106221517A (en) * | 2016-08-30 | 2016-12-14 | 河北晨阳工贸集团有限公司 | A kind of aqueous amino-stoving varnish and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140370A1 (en) * | 2010-05-05 | 2011-11-10 | Ideapaint, Inc. | Writable-erasable surfaces |
| WO2013191104A1 (en) * | 2012-06-19 | 2013-12-27 | 関西ペイント株式会社 | Aqueous coating composition and coating method using same |
| CN106318202B (en) * | 2016-08-23 | 2017-08-25 | 重庆万代教育科技有限公司 | The preparation method of Dustless writing board special coating |
-
2018
- 2018-10-30 CN CN201811276750.6A patent/CN109593446B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344857A (en) * | 1991-07-19 | 1994-09-06 | Toyo Ink Manufacturing Co., Ltd. | Curing agent-free water based coating composition |
| CN102002305A (en) * | 2009-08-31 | 2011-04-06 | 无锡市金箭造漆有限公司 | Water-based precoated coiled material coating back paint and preparation method thereof |
| CN105368209A (en) * | 2015-11-26 | 2016-03-02 | 蚌埠市禹会区贵宾装饰材料商行 | Waterborne compound stoving varnish for photo frames |
| CN106221517A (en) * | 2016-08-30 | 2016-12-14 | 河北晨阳工贸集团有限公司 | A kind of aqueous amino-stoving varnish and preparation method thereof |
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| CN109593446A (en) | 2019-04-09 |
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