CN112680084A - Water-based wood paint and preparation method thereof - Google Patents
Water-based wood paint and preparation method thereof Download PDFInfo
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- CN112680084A CN112680084A CN202011596404.3A CN202011596404A CN112680084A CN 112680084 A CN112680084 A CN 112680084A CN 202011596404 A CN202011596404 A CN 202011596404A CN 112680084 A CN112680084 A CN 112680084A
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- waterborne
- wood lacquer
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- 239000002023 wood Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003973 paint Substances 0.000 title claims description 29
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 29
- 239000004814 polyurethane Substances 0.000 claims abstract description 29
- 239000004922 lacquer Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 20
- 239000003086 colorant Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002518 antifoaming agent Substances 0.000 claims description 13
- -1 5-chloro-2-methyl-4-isothiazolinone compound Chemical class 0.000 claims description 6
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 3
- 229920001228 polyisocyanate Polymers 0.000 claims description 3
- 239000005056 polyisocyanate Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 238000000576 coating method Methods 0.000 abstract description 19
- 239000011248 coating agent Substances 0.000 abstract description 18
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 229920005749 polyurethane resin Polymers 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229920005715 BASONAT® HW 1180PC Polymers 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920003015 aliphatic polyurethane dispersion Polymers 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical class CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical class CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 229920001921 poly-methyl-phenyl-siloxane Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses an aqueous wood lacquer and a preparation method thereof, wherein the aqueous wood lacquer comprises the following raw materials: the water-based elastic resin, the water-based polyurethane, the antibacterial agent and the auxiliary agent. The waterborne polyurethane resin and the waterborne elastic resin have good flexibility, and the wear resistance and the toughness of the coating are improved by the mutual synergistic effect of the waterborne polyurethane resin and the waterborne elastic resin; the antibacterial agent endows the coating with durable antibacterial property; the waterborne polyurethane, the waterborne elastic resin, the antibacterial agent and the auxiliary agent are uniformly dispersed on the surface of the coating and in the bulk phase, and are crosslinked to form a mutually-penetrated network structure, so that the obtained coating has good toughness and plasticity.
Description
Technical Field
The invention relates to a preparation method of wood lacquer for furniture, in particular to water-based wood lacquer and a preparation method thereof.
Background
With the development of society, the paint is widely applied to various industries, has a protective effect while playing an aesthetic role, and has the effects of corrosion resistance and aging resistance. China is a big country for production, consumption and export of wood products, and the annual output of wood furniture, wood doors and wood floors is in the top of the world. As a product which is more popular with people, the processing of the wooden product needs a great deal of working hours, and the price is generally higher than that of products made of other materials. Because of the particularity of the material and the use property of the wood products, the surface of the wood products is usually coated with a layer of varnish which can play a role in protecting and beautifying the wood products.
The water-based wood paint is a special paint taking water as a dispersion medium, is a real ecological environment-friendly paint, and has the advantages of environmental protection, no toxicity, no odor, few volatile matters and the like. However, the conventional furniture water-based wood paint only has the protection effect, and has no good effect on the aspects of wear resistance, toughness and antibacterial property.
Meanwhile, various harmful microorganisms exist in the living environment of people, which has adverse effects on the life of human beings, and particularly, microorganisms are easy to breed in certain humid occasions (such as kitchens, toilets and the like) in the household environment, so that the concentration of indoor air bacteria and the concentration of bacteria on the surface of an object are increased. A healthy living environment is a necessary guarantee for a healthy life. The antibacterial coating contains an antibacterial agent, so that harmful bacteria in the environment can be effectively inhibited and killed, the effect of cleaning the environment is achieved, and the harm of environmental microorganisms to a human body is reduced.
Therefore, there is still a need to develop an aqueous wood lacquer with better wear resistance and antibacterial property.
Disclosure of Invention
The first technical problem to be solved by the invention is as follows: the water-based wood paint has better wear resistance and antibacterial property.
The second technical problem to be solved by the invention is as follows: a preparation method of the water-based wood paint.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the water-based wood paint comprises the following raw materials: the water-based elastic resin, the water-based polyurethane, the antibacterial agent and the auxiliary agent.
According to some embodiments of the invention, the adjuvant comprises the following raw materials: colorant, curing agent, film-forming assistant, flatting agent, defoaming agent and pH regulator.
According to some embodiments of the present invention, the aqueous wood paint comprises the following raw materials in parts by mass:
1-5 parts of water-based elastic resin;
50-70 parts of waterborne polyurethane;
0.1-0.2 parts of an antibacterial agent;
10-20 parts of a coloring agent;
4-6 parts of a curing agent;
3-5 parts of a film forming auxiliary agent;
1-2 parts of a leveling agent;
0.2-1 part of a defoaming agent;
0.1-0.2 parts of pH regulator.
According to some embodiments of the invention, the raw material of the water-based wood paint further comprises 1-8 parts of water.
According to some embodiments of the invention, the aqueous elastic resin is an aqueous polycarbon-modified polyurethane copolymer resin.
The aqueous polycarbonate modified polyurethane copolymerized resin is used as a tough base material, and can endow the coating with enough elasticity so that the coating can rebound after the scratch stress is eliminated.
According to some embodiments of the invention, the aqueous polyurethane is an aliphatic polyurethane.
According to some embodiments of the invention, the aliphatic polyurethane is an anionic aliphatic polyurethane dispersion.
According to some embodiments of the invention, the antimicrobial agent is a combination of 5-chloro-2-methyl-4-isothiazolinone compounds and 2-methyl-4-isothiazolin-3-ones.
According to some embodiments of the invention, the colorant is an aqueous pigment slurry.
According to some embodiments of the invention, the aqueous pigment slurry is at least one of red iron oxide, yellow iron oxide, and phthalocyanine blue.
The primary function of the colorant is to color the substrate.
According to some embodiments of the invention, the curing agent is a water-borne polyisocyanate.
The hydrophilic modified aliphatic polyisocyanate is used as a curing agent, so that the properties such as adhesive force of the coating are greatly improved.
According to some embodiments of the invention, the coalescent is at least one of DPNB (dipropylene glycol butyl ether), DPM (dipropylene glycol methyl ether), and BCS (ethylene glycol monobutyl ether).
According to some embodiments of the present invention, the leveling agent is at least one of polydimethylsiloxane, polymethylphenylsiloxane, acrylic resin, and polyether polyester modified organosiloxane.
According to some embodiments of the invention, the defoaming agent is at least one of silicone emulsion, higher alcohol fatty acid ester complex, polyoxyethylene polyoxypropylene pentaerythritol ether, polydimethylsiloxane, fluorosilicone, and ethylene glycol siloxane.
According to some embodiments of the invention, the pH adjusting agent is a multifunctional amine adjuvant.
The water-based wood paint provided by the embodiment of the invention at least has the following beneficial effects: the waterborne wood lacquer utilizes the high hardness and good wear resistance of waterborne polyurethane, the good flexibility of waterborne elastic resin, and the mutual synergistic effect of the waterborne polyurethane and the waterborne elastic resin can improve the wear resistance and toughness of the coating; the antibacterial agent endows the wood lacquer with durable antibacterial property; the waterborne polyurethane, the waterborne elastic resin, the antibacterial agent and the auxiliary agent are uniformly dispersed on the surface of the coating and in the bulk phase, and are crosslinked to form a mutually-penetrated network structure, so that the obtained wood lacquer has good toughness and plasticity.
To solve the second technical problem, the present invention provides the following technical solutions: the preparation method of the water-based wood paint comprises the following steps:
s1, adding the waterborne elastic resin, the waterborne polyurethane and the pH regulator in proportion, and stirring for 5-10 min to obtain a mixture I;
s2, sequentially adding the colorant, the film-forming assistant, the flatting agent, the defoaming agent and a part of water into the mixture I according to the proportion, and stirring and dispersing for 8-15 min to obtain a mixture II;
and S3, sequentially adding the antibacterial agent, the curing agent and the balance of water into the mixture II, and stirring for 15-25 min to obtain the water-based wood lacquer.
The preparation method of the water-based wood paint provided by the embodiment of the invention at least has the following beneficial effects: the preparation method of the invention has simple operation and realizes large-scale production and application.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments. The test methods used in the examples are all conventional methods unless otherwise specified; the materials, reagents and the like used are commercially available reagents and materials unless otherwise specified.
The first embodiment of the invention is as follows: the water-based wood paint comprises the following raw materials in parts by weight:
5 parts of waterborne elastic resin (MT-6586);
70 parts of waterborne polyurethane (AMS 2099);
0.1 part of antibacterial agent (KathonlXE);
15 parts of a colorant (Meichen iron oxide red RX 2);
5 parts of curing agent (Basonat HW 1180 PC);
4 parts of film forming additive (DPNB);
leveling agent (1)
3034)2 parts of (1);
0.2 part of defoaming agent (Foamaster MO 2111 AG);
0.1 part of pH regulator (AMP-95);
and 8 parts of water.
The preparation method of the water-based wood paint provided by the embodiment of the invention comprises the following steps:
s1, adding the waterborne elastic resin, the waterborne polyurethane and the pH regulator in proportion, and stirring for 8min to obtain a mixture I;
s2, sequentially adding the colorant, the film-forming assistant, the flatting agent, the defoaming agent and 1/2 water into the mixture I according to the proportion, and stirring and dispersing for 10min to obtain a mixture II;
and S3, sequentially adding the antibacterial agent, the curing agent and the balance of water into the mixture II, and stirring for 20min to obtain the water-based wood lacquer.
The second embodiment of the invention is as follows: the water-based wood paint comprises the following raw materials in parts by weight:
3 parts of waterborne elastic resin (MT-6586);
50 parts of waterborne polyurethane (AMS 2099);
0.2 part of antibacterial agent (KathonlXE);
15 parts of a colorant (mezzanine phthalocyanine blue BH 2);
5 parts of curing agent (Basonat HW 1180 PC);
5 parts of a film forming additive (BCS);
leveling agent (1)
3034)1 part;
1 part of defoaming agent (Foamaster MO 2111 AG);
0.2 part of pH regulator (AMP-95);
and 5 parts of water.
The preparation method of the water-based wood paint provided by the embodiment of the invention comprises the following steps:
s1, adding the waterborne elastic resin, the waterborne polyurethane and the pH regulator in proportion, and stirring for 8min to obtain a mixture I;
s2, sequentially adding the colorant, the film-forming assistant, the flatting agent, the defoaming agent and 1/2 water into the mixture I according to the proportion, and stirring and dispersing for 10min to obtain a mixture II;
and S3, sequentially adding the antibacterial agent, the curing agent and the balance of water into the mixture II, and stirring for 20min to obtain the water-based wood lacquer.
The first comparative example of the present invention is: the water-based wood paint comprises the following raw materials in parts by weight:
70 parts of waterborne polyurethane (AMS 2099);
0.1 part of antibacterial agent (Kathon LXE);
15 parts of a colorant (Meichen iron oxide red RX 2);
5 parts of curing agent (Basonat HW 1180 PC);
4 parts of film forming additive (DPNB);
leveling agent (1)
3034)2 parts of (1);
0.2 part of defoaming agent (Foamaster MO 2111 AG);
0.1 part of pH regulator (AMP-95);
and 8 parts of water.
The preparation method of the aqueous wood lacquer of the first comparative example comprises the following steps:
s1, adding waterborne polyurethane and a pH regulator according to the proportion, and stirring for 8min to obtain a mixture I;
s2, sequentially adding the colorant, the film-forming assistant, the flatting agent, the defoaming agent and 1/2 water into the mixture I according to the proportion, and stirring and dispersing for 10min to obtain a mixture II;
and S3, sequentially adding the antibacterial agent, the curing agent and the balance of water into the mixture II, and stirring for 20min to obtain the water-based wood lacquer.
The coating process of the water-based wood paint comprises the following steps: the first to second examples and the first comparative example are applied by spraying, and coating is finished after the paint film is dried, so that the paint film is not touched by the outside before being dried, and the coating quality is not influenced.
The detection process is carried out according to GB/T23997-2009 solvent type polyurethane woodware coating for interior decoration, the woodware colored paint coating is sprayed on a test board, and after a paint film is dried, the performance of the paint film is tested.
The performance of the aqueous wood lacquer prepared in the first embodiment and the second embodiment of the invention and the first embodiment of the invention is shown in table 1.
TABLE 1 Performance results for aqueous wood paints prepared according to examples one-two of the present invention and comparative example one
In conclusion, the waterborne wood lacquer provided by the invention utilizes the advantages that the waterborne polyurethane has high hardness and good wear resistance, the waterborne elastic resin has good flexibility, and the wear resistance and the toughness of the coating are improved through the mutual synergistic effect of the waterborne polyurethane and the waterborne elastic resin; the antibacterial agent endows the coating with durable antibacterial property; the waterborne polyurethane, the waterborne elastic resin, the antibacterial agent and the auxiliary agent are uniformly dispersed on the surface of the coating and in the bulk phase, and are crosslinked to form a mutually-penetrated network structure, so that the obtained coating has good toughness and plasticity.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical fields are included in the scope of the present invention.
Claims (10)
1. The water-based wood paint is characterized in that: the method comprises the following raw materials: the water-based elastic resin, the water-based polyurethane, the antibacterial agent and the auxiliary agent.
2. The aqueous wood lacquer according to claim 1, characterized in that: the auxiliary agent comprises the following raw materials: colorant, curing agent, film-forming assistant, flatting agent and defoaming agent.
3. The aqueous wood lacquer according to claim 2, characterized in that: the water-based wood paint comprises the following raw materials in parts by weight:
1-5 parts of water-based elastic resin;
50-70 parts of waterborne polyurethane;
0.1-0.2 parts of an antibacterial agent;
10-20 parts of a coloring agent;
4-6 parts of a curing agent;
3-5 parts of a film forming auxiliary agent;
1-2 parts of a leveling agent;
0.2-1 part of a defoaming agent;
0.1-0.2 parts of pH regulator.
4. The aqueous wood lacquer according to any one of claims 1 to 3, wherein: the waterborne elastic resin is waterborne polycarbonate modified polyurethane copolymerized resin.
5. The aqueous wood lacquer according to any one of claims 1 to 3, wherein: the aqueous polyurethane is aliphatic polyurethane.
6. The aqueous wood lacquer according to any one of claims 1 to 3, wherein: the antibacterial agent is a compound of a 5-chloro-2-methyl-4-isothiazolinone compound and a 2-methyl-4-isothiazolinone-3-one compound.
7. The aqueous wood lacquer according to claim 2 or 3, characterized in that: the curing agent is water-based polyisocyanate.
8. The aqueous wood lacquer according to claim 2 or 3, characterized in that: the colorant is aqueous pigment slurry.
9. The aqueous wood lacquer according to claim 2 or 3, characterized in that: the film forming auxiliary agent is at least one of DPNB, DPM and BCS.
10. A method of preparing the aqueous wood lacquer according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, adding the waterborne elastic resin, the waterborne polyurethane and the pH regulator in proportion, and stirring for 5-10 min to obtain a mixture I;
s2, sequentially adding the colorant, the film-forming assistant, the flatting agent, the defoaming agent and a part of water into the mixture I according to the proportion, and stirring and dispersing for 8-15 min to obtain a mixture II;
and S3, sequentially adding the antibacterial agent, the curing agent and the balance of water into the mixture II, and stirring for 15-25 min to obtain the water-based wood lacquer.
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| CN202011596404.3A CN112680084A (en) | 2020-12-29 | 2020-12-29 | Water-based wood paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011596404.3A CN112680084A (en) | 2020-12-29 | 2020-12-29 | Water-based wood paint and preparation method thereof |
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| CN112680084A true CN112680084A (en) | 2021-04-20 |
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2020
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