CN110003740A - A kind of Waterborne wood paint and preparation method thereof - Google Patents
A kind of Waterborne wood paint and preparation method thereof Download PDFInfo
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- CN110003740A CN110003740A CN201910185850.6A CN201910185850A CN110003740A CN 110003740 A CN110003740 A CN 110003740A CN 201910185850 A CN201910185850 A CN 201910185850A CN 110003740 A CN110003740 A CN 110003740A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of Waterborne wood paints and preparation method thereof, are related to technical field of coatings.The present invention provides a kind of Waterborne wood paint, by weight, including following raw material: 70-80 parts of aqueous acrylic emulsion, 30-35 parts of aqueous polyurethane dispersion, modified Nano ZrO210-12 parts of slurry, 0.1-0.3 parts of wetting agent, 0.1-0.3 parts of adhesion promoter, 0.1-0.2 parts of preservative, 0.1-0.3 parts of levelling agent, 2-5 parts of waterborne wax emulsion, 0.5-1 parts of coalescing agent, 0.2-0.3 parts of thickener, 5-10 parts of deionized water, furthermore invention also provides the preparation methods of above-mentioned Waterborne wood paint.The present invention adds modified Nano ZrO during mixing aqueous acrylic emulsion and aqueous polyurethane dispersion2Slurry, to improve the coating hardness and wearability of crylic acid resin water borne wood paint.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of Waterborne wood paint and preparation method thereof.
Background technique
Woodcare paint be for timber and wood-base materials it is essential, it can assign woodenware material such as color,
Aesthetic characteristic needed for color etc., but more importantly, it can be woodenware be able to resist moist, radiation, biodegrade,
Destruction caused by mechanochemistry damage.The type of woodcare paint mainly has acrylic emulsion woodcare paint and aqueous polyurethane coating,
The features such as acrylic emulsion has solid content high, and rate of drying is fast, at low cost and good weatherability, but that there are film formings is poor,
Minimum film formation temperature is high, and solvent resistant and heat do not stick the disadvantages of cold short, and decorative effect is bad.Aqueous polyurethane coating is by film forming
Performance can be divided into water-borne PU dispersion coatings and waterborne two-component polyurethane coating, and wherein aqueous polyurethane dispersion has
Preferable adhesive force, wearability, and acrylic resin possesses excellent weatherability, chemical resistance and preferably to the wetting of pigment
Property, the two is carried out to be obtained by mixing the power that the composite coating of above-mentioned excellent performance is explored as people, but the two is mixed
The effect is unsatisfactory for conjunction, and in addition its hardness of film is low, scratch resistance is bad still needs to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of Waterborne wood paint, with solve current crylic acid resin coating heat stick it is cold short with
And its coating hardness and the poor problem of wearability;Another object of the present invention is to provide a kind of preparation sides of Waterborne wood paint
Method, to obtain above-mentioned Waterborne wood paint.
A kind of Waterborne wood paint, Waterborne wood paint include the raw material of following parts by weight: 70-80 parts of aqueous acrylic emulsion, water
30-35 parts of dispersions of polyurethanes of property, modified Nano ZrO210-12 parts of slurry, 0.1-0.3 parts of wetting agent, adhesion promoter
0.1-0.3 parts, 0.1-0.2 parts of preservative, 0.1-0.3 parts of levelling agent, 2-5 parts of waterborne wax emulsion, 0.5-1 parts of coalescing agent, increase
Thick dose 0.2-0.3 parts, 5-10 parts of deionized water.
Aqueous acrylic emulsion mixes according to a certain percentage with aqueous polyurethane dispersion, by the fast of water-based acrylic resin
The advantages that dry, fast light, weatherability and the toughness of aqueous polyurethane dispersion, film formation at low temp performance, combines, and can effectively change
Kind thermoplastic acrylic resin heat sticks cold short disadvantage, so that its coating is had preferable hardness and toughness, to improve coating
Hardness and scratch resistant performance.Aqueous polyurethane dispersion and acrylic emulsion in the present invention have preferable compatibility, cooperation
Waterborne wax emulsion further improves the skin-friction coefficient of film, improves the hardness and scratch resistance of coating surface.In addition to this,
Pass through addition coalescing agent and modified Nano ZrO2Slurry can effectively solve coating film forming speed slow, hardness and what is worn no resistance ask
Topic.The particle hardness of nano zircite is preferable and has preferable heat-resistant stability, and the present invention passes through to nano zircite surface
Chemical modification, improve Waterborne wood paint coating hardness and wearability.
In preferred embodiments of the present invention, modified Nano ZrO2Slurry is made of following methods, weighs 30 parts of ZrO2Powder adds
Enter into 80 parts of ultrapure waters, then sequentially add 1 part of poly glycol monomethyl ether and 0.3 part of polyacrylamide, and is 60- in temperature
70 DEG C, revolving speed stir 3h under conditions of being 3000-3300r/min, then add 1.6 parts of polyvinylpyrrolidones, continue to stir
15min, ultrasonic treatment 5h obtain modified Nano ZrO2Slurry.
During the preparation process, poly glycol monomethyl ether can first reduce ZrO2Surface can, the anion that adds later is poly-
Acrylamide surface is coated, and a nanometer ZrO is substantially improved2The hydrophily of particle makes it have better system matching, energy
It is dispersed stably in the system of aqueous acrylic emulsion and aqueous polyurethane dispersion.
Specifically, above-mentioned nanometer ZrO2For pulverulent solids, purity >=99.99, average dynamics is 50nm, specific surface
Product is (120 ± 10) m2/ g, wherein polyacrylamide, poly glycol monomethyl ether and vinylpyrrolidone are commercially available chemistry
It is pure.
In preferred embodiments of the present invention, coalescing agent is dipropylene.Point of the dipropylene in water phase
Distribution coefficient is smaller, can rest among the core of latex particle, and the later period that can promote latex particle forms the film of continuous densification, and
The former evaporation rate is very fast, and the rate of drying of adjustable film improves the early hardness of film.
In preferred embodiments of the present invention, wetting agent is modified polyorganosiloxane.Modified polyorganosiloxane can be effectively reduced aqueous
The surface tension of system significantly improves substrate wetting and mobility, the paint film defect as caused by surface tension is eliminated, to formation
Smooth, smooth film avoids film shrinkage cavity, the formation of cissing phenomenon from being very helpful.
In preferred embodiments of the present invention, levelling agent is polyether-modified organic alcoxyl silicon.Polyether-modified organic alcoxyl silicon can
Coating surface tension is reduced to control its surface flow.
In preferred embodiments of the present invention, adhesion promoter is acrylic acid modified chloridized polyolefin.Acrylic acid modified chlorine
The binding force of paint vehicle and wood substrate can be significantly improved by changing polyolefin, can promote the ductility and impact resistance of film.
In preferred embodiments of the present invention, thickener is polyurethane thickener.
A kind of preparation method of above-mentioned Waterborne wood paint, comprising the following steps:
S1, the raw material for weighing corresponding parts by weight respectively first successively add aqueous acrylic emulsion, aqueous in a kettle
Dispersions of polyurethanes and deionized water, are warming up to 60-70 DEG C, stir at low speed down, are down to room temperature after reacting 1h;S2, then at low speed
Levelling agent, preservative, wetting agent, waterborne wax emulsion stirring 10-15min are sequentially added under stirring;S3, in 23-27 DEG C of temperature
Under the conditions of and moderate-speed mixer, adhesion promoter and coalescing agent are added around here, adds polyurethane thickener, while stirring plus
Enter modified Nano ZrO2Slurry, adjustment viscosity are 50-60ku, and product is then obtained by filtration.
Compared with prior art, the invention has the following advantages:
(1) aqueous acrylic emulsion and aqueous polyurethane dispersion be according to a certain percentage in Waterborne wood paint provided by the invention
Mixing, by the quick-drying of water-based acrylic resin, the toughness of fast light, weatherability and aqueous polyurethane dispersion, film formation at low temp performance
The advantages that combine, thermoplastic acrylic resin heat can be effectively improved and stick cold short disadvantage, there is its coating preferable
Hardness and toughness, to improve the hardness and scratch resistant performance of coating.
(2) aqueous polyurethane dispersion in the present invention and acrylic emulsion have preferable intermiscibility, cooperate water-borne wax
Lotion further improves the skin-friction coefficient of film, improves the hardness and scratch resistance of coating surface.
(3) pass through addition coalescing agent and modified Nano ZrO in the present invention2Slurry can effectively solve coating film forming speed
Slowly, hardness and the problem of wear no resistance.The particle hardness of nano zircite is preferably and with preferable heat-resistant stability, the present invention
By the chemical modification to nano zircite surface, the hardness and wearability of Waterborne wood paint coating are improved.
(4) the acrylic acid modified chloridized polyolefin of adhesion promoter provided in the present invention can significantly improve paint vehicle and wood
The binding force of matter substrate enhances the abundant wetting with timber, makes paint film and the closer combination of timber, more effectively to timber
It is protected, while increasing the flexibility of paint film, be easier to maintain the elasticity of timber not change.
Specific embodiment
In order to which those skilled in the art better understand the present invention, following embodiment makees the present invention further detailed
Description.
Embodiment 1
70 parts of aqueous acrylic emulsion, 30 parts of aqueous polyurethane dispersion, modified Nano ZrO210 parts of slurry, modified poly- silicon
0.1 part of oxygen alkane, 0.1 part of acrylic acid modified chloridized polyolefin, 0.1 part of preservative, polyether-modified 0.1 part of organic alcoxyl silicon is aqueous
2 parts of wax emulsion, 0.5 part of dipropylene, 0.2 part of polyurethane thickener, 5 parts of deionized water.
The Waterborne wood paint of the offer of the present embodiment the preparation method is as follows:
It weighs the raw material of corresponding parts by weight respectively, first successively adds aqueous acrylic emulsion, aqueous poly- in a kettle
Urethane dispersion and deionized water are warming up to 60 DEG C, stir at low speed down, are down to room temperature after reacting 1h;Then at stir at low speed down according to
It is secondary that polyether-modified organic alcoxyl silicon, preservative, modified polyorganosiloxane, waterborne wax emulsion stirring 10min is added;In 23 DEG C of temperature
Under the conditions of and moderate-speed mixer, acrylic acid modified chloridized polyolefin and dipropylene are added around here, add polyurethane thickening
Modified Nano ZrO is added in agent while stirring2Slurry, adjustment viscosity are 50-60ku, and product is then obtained by filtration.
To the Waterborne wood paint that the present embodiment is prepared, carry out testing its indices as follows:
Pencil hardness (scratch): 2H;Scratch resistance (100g): it does not scratch;Wear-resisting revolution: 2100, painting quality loss
(g·100r-1): 0.045.The above index meets national standard " indoor water-borne wood coating " HG/T3828-2006B class index
It is required that.
Embodiment 2
75 parts of aqueous acrylic emulsion, 32 parts of aqueous polyurethane dispersion, modified Nano ZrO211 parts of slurry, modified poly- silicon
0.2 part of oxygen alkane, 0.2 part of acrylic acid modified chloridized polyolefin, 0.2 part of preservative, polyether-modified 0.2 part of organic alcoxyl silicon is aqueous
3 parts of wax emulsion, 0.8 part of dipropylene, 0.2 part of polyurethane thickener, 8 parts of deionized water.
The Waterborne wood paint of the offer of the present embodiment the preparation method is as follows:
It weighs the raw material of corresponding parts by weight respectively, first successively adds aqueous acrylic emulsion, aqueous poly- in a kettle
Urethane dispersion and deionized water are warming up to 65 DEG C, stir at low speed down, are down to room temperature after reacting 1h;Then at stir at low speed down according to
It is secondary that polyether-modified organic alcoxyl silicon, preservative, modified polyorganosiloxane, waterborne wax emulsion stirring 10min is added;In 23 DEG C of temperature
Under the conditions of and moderate-speed mixer, acrylic acid modified chloridized polyolefin and dipropylene are added around here, add polyurethane thickening
Modified Nano ZrO is added in agent while stirring2Slurry, adjustment viscosity are 50-60ku, and product is then obtained by filtration.
Pencil hardness (scratch): 2H;Scratch resistance (100g): it does not scratch;Wear-resisting revolution: 2200, painting quality loss
(g·100r-1): 0.039.The above index meets national standard " indoor water-borne wood coating " HG/T3828-2006B class index
It is required that.
Embodiment 3
80 parts of aqueous acrylic emulsion, 35 parts of aqueous polyurethane dispersion, modified Nano ZrO212 parts of slurry, modified poly- silicon
0.3 part of oxygen alkane, 0.3 part of acrylic acid modified chloridized polyolefin, 0.2 part of preservative, polyether-modified 0.3 part of organic alcoxyl silicon is aqueous
5 parts of wax emulsion, 1 part of dipropylene, 0.3 part of polyurethane thickener, 10 parts of deionized water.
The Waterborne wood paint of the offer of the present embodiment the preparation method is as follows:
It weighs the raw material of corresponding parts by weight respectively, first successively adds aqueous acrylic emulsion, aqueous poly- in a kettle
Urethane dispersion and deionized water are warming up to 70 DEG C, stir at low speed down, are down to room temperature after reacting 1h;Then at stir at low speed down according to
It is secondary that polyether-modified organic alcoxyl silicon, preservative, modified polyorganosiloxane, waterborne wax emulsion stirring 10min is added;In 23 DEG C of temperature
Under the conditions of and moderate-speed mixer, acrylic acid modified chloridized polyolefin and dipropylene are added around here, add polyurethane thickening
Modified Nano ZrO is added in agent while stirring2Slurry, adjustment viscosity are 50-60ku, and product is then obtained by filtration.
Pencil hardness (scratch): 2H;Scratch resistance (100g): it does not scratch;Wear-resisting revolution: 2250, painting quality loss
(g·100r-1): 0.032.The above index meets national standard " indoor water-borne wood coating " HG/T3828-2006B class index
It is required that.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention
It encloses and is subject to claims, it is all to change with equivalent structure made by description of the invention, similarly should all include
Within the scope of the present invention.
Claims (8)
1. a kind of Waterborne wood paint, which is characterized in that the Waterborne wood paint includes the raw material of following parts by weight:
70-80 parts of aqueous acrylic emulsion, 30-35 parts of aqueous polyurethane dispersion, 10-12 parts of modified Nano ZrO2 slurry, profit
0.1-0.3 parts of humectant, 0.1-0.3 parts of adhesion promoter, 0.1-0.2 parts of preservative, 0.1-0.3 parts of levelling agent, water-borne wax cream
2-5 parts of liquid, 0.5-1 parts of coalescing agent, 0.2-0.3 parts of thickener, 5-10 parts of deionized water.
2. Waterborne wood paint according to claim 1, which is characterized in that the modified Nano ZrO2Slurry is by following methods system
At weighing 30 parts of ZrO2Powder is added into 80 parts of ultrapure waters, then sequentially adds 1 part of poly glycol monomethyl ether and 0.3 part poly-
Acrylamide, and 3h is stirred under conditions of temperature is 60-70 DEG C, revolving speed is 3000-3300r/min, then add 1.6 parts of poly- second
Alkene pyrrolidone continues to stir 15min, and ultrasonic treatment 5h obtains modified Nano ZrO2Slurry.
3. Waterborne wood paint according to claim 1, which is characterized in that the coalescing agent is dipropylene.
4. Waterborne wood paint according to claim 1, which is characterized in that the wetting agent is modified polyorganosiloxane.
5. Waterborne wood paint according to claim 1, which is characterized in that the levelling agent is polyether-modified organic alcoxyl silicon.
6. Waterborne wood paint according to claim 1, which is characterized in that the adhesion promoter is acrylic acid modified chlorination
Polyolefin.
7. Waterborne wood paint according to claim 1, which is characterized in that the thickener is polyurethane thickener.
8. the preparation method of any one of -7 Waterborne wood paints according to claim 1, which comprises the following steps:
S1, the raw material for weighing corresponding parts by weight respectively first successively add aqueous acrylic emulsion, aqueous poly- ammonia in a kettle
Ester dispersion and deionized water, are warming up to 60-70 DEG C, stir at low speed down, are down to room temperature after reacting 1h;
S2, levelling agent is sequentially added then at stirring at low speed down, preservative, wetting agent, waterborne wax emulsion stirs 10-15min;
S3, under the conditions of 23-27 DEG C of temperature and moderate-speed mixer, adhesion promoter and coalescing agent are added around here, adds
Modified Nano ZrO is added in polyurethane thickener while stirring2Slurry, adjustment viscosity are 50-60ku, and product is then obtained by filtration.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110845948A (en) * | 2019-10-31 | 2020-02-28 | 安徽信达家居有限公司 | Method for modifying environment-friendly wood lacquer by nano zinc oxide-polyethylene wax microcapsules |
CN113999604A (en) * | 2021-12-07 | 2022-02-01 | 湖南长合辉庆新型环保建材有限公司 | Water-based paint and preparation method thereof |
CN115521698A (en) * | 2022-10-27 | 2022-12-27 | 柳州紫荆生态工程科技有限公司 | High-hardness graphene water-based paint and preparation method thereof |
CN115960499A (en) * | 2022-10-12 | 2023-04-14 | 上海君子兰新材料股份有限公司 | Preparation and application of water-based two-component high-adhesion solid-color coating |
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CN106634298A (en) * | 2016-11-29 | 2017-05-10 | 福建正邦环保科技材料有限公司 | Environmental-friendly aqueous finishing paint for coating children wooden toy and preparation process |
CN109111824A (en) * | 2018-07-20 | 2019-01-01 | 安徽宏翔农业机械有限公司 | A method of it adding aluminium dihydrogen tripolyphosphate-nano zircite and prepares water-base epoxy wear-resistant and corrosion-resistant paint |
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JP2003073611A (en) * | 2001-08-31 | 2003-03-12 | Nippon Shokubai Co Ltd | Water coating composition |
JP2009084338A (en) * | 2007-09-28 | 2009-04-23 | Dainippon Printing Co Ltd | Water-based paint |
CN102993866A (en) * | 2012-11-15 | 2013-03-27 | 青岛保利康新材料有限公司 | Environmentally-friendly water-based paint for wood ware |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110845948A (en) * | 2019-10-31 | 2020-02-28 | 安徽信达家居有限公司 | Method for modifying environment-friendly wood lacquer by nano zinc oxide-polyethylene wax microcapsules |
CN113999604A (en) * | 2021-12-07 | 2022-02-01 | 湖南长合辉庆新型环保建材有限公司 | Water-based paint and preparation method thereof |
CN115960499A (en) * | 2022-10-12 | 2023-04-14 | 上海君子兰新材料股份有限公司 | Preparation and application of water-based two-component high-adhesion solid-color coating |
CN115960499B (en) * | 2022-10-12 | 2024-01-30 | 上海君子兰新材料股份有限公司 | Preparation and application of aqueous two-component high-adhesion solid-color coating |
CN115521698A (en) * | 2022-10-27 | 2022-12-27 | 柳州紫荆生态工程科技有限公司 | High-hardness graphene water-based paint and preparation method thereof |
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