CN110643240A - Water-based acrylic amino baking paint and preparation method thereof - Google Patents
Water-based acrylic amino baking paint and preparation method thereof Download PDFInfo
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- CN110643240A CN110643240A CN201910892874.5A CN201910892874A CN110643240A CN 110643240 A CN110643240 A CN 110643240A CN 201910892874 A CN201910892874 A CN 201910892874A CN 110643240 A CN110643240 A CN 110643240A
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- baking varnish
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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
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1625—Non-macromolecular compounds 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
The invention relates to the technical field of coatings, and particularly discloses a water-based acrylic amino baking varnish and a preparation method thereof. The water-based acrylic amino baking varnish comprises the following components in percentage by mass: 15-30% of epoxy modified acrylic resin, 5-10% of organic silicon-organic fluorine copolymer resin, 4-10% of high methyl etherified melamine resin, 3-5% of cosolvent, 2-4% of glass powder, 1-2% of pH regulator, 0.5-1% of defoamer, 0.5-1.5% of dispersant, 0.3-0.5% of base material wetting agent, 0.5-1% of nano silver, 1-2% of siloxane, 3-5% of nano metal oxide dispersion liquid, 0.2-0.4% of flatting agent, 10-25% of pigment and the balance of deionized water. The water-based acrylic amino baking varnish disclosed by the invention has the advantages of good wear resistance, strong adhesive force, good water resistance and weather resistance, good impact resistance, and no sweat retention and bacterium breeding on the surface of the baking varnish.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based acrylic amino baking varnish and a preparation method thereof.
Background
The traditional baking varnish is generally a solvent type coating, the dispersion medium of the solvent type coating is an organic solvent, and the organic solvent volatilized from a coating film belongs to toxic and harmful substances, so that the traditional baking varnish is not only harmful to a human body, but also pollutes the natural environment.
At present, the water-based paint with ultralow VOC content becomes the development direction of the paint industry, water is used as a diluent for the water-based paint, the water-based paint belongs to non-dangerous chemicals, and has the characteristics of safety, environmental protection and no toxicity, and part of the water-based paint has better properties than solvent-based paint; however, the existing water-based baking paint has the defects of low wear resistance, poor adhesion, poor water resistance and weather resistance and poor impact resistance, and is particularly used on outdoor fitness equipment with high use frequency, the existing baking paint cannot meet the use requirement, the surface of the coating for the fitness equipment is poor in stain resistance, particularly after the coating is used in summer, sweat is easy to stay on the surface of the fitness equipment, so that the surface of the fitness equipment is very greasy and easy to cause danger, and after the sweat is left on the surface of the coating, a large number of bacteria are easy to breed on the surface of the fitness equipment, and the manufacturing opportunity for spreading diseases is also provided.
Disclosure of Invention
Aiming at the problems of poor wear resistance, poor adhesive force, poor water resistance and weather resistance, poor impact resistance, easy bacteria breeding after sweat is retained on the surface of the baking varnish and the like, the invention provides the water-based acrylic amino baking varnish and the preparation method thereof.
In order to achieve the purpose of the invention, the embodiment of the invention adopts the following technical scheme:
the water-based acrylic amino baking paint comprises the following components in percentage by mass:
15-30% of epoxy modified acrylic resin, 5-10% of organic silicon-organic fluorine copolymer resin, 4-10% of high methyl etherified melamine resin, 3-5% of cosolvent, 2-4% of glass powder, 1-2% of pH regulator, 0.5-1% of defoamer, 0.5-1.5% of dispersant, 0.3-0.5% of base material wetting agent, 0.5-1% of nano silver, 1-2% of siloxane, 3-5% of nano metal oxide dispersion liquid, 0.2-0.4% of flatting agent, 10-25% of pigment and the balance of deionized water.
Compared with the prior art, the waterborne acrylic amino baking varnish provided by the invention simultaneously adds three substances of epoxy modified acrylic resin, organic silicon fluorine copolymer resin and high methylated melamine resin as film forming substances, wherein the addition of the epoxy modified acrylic resin can improve the adhesive force strength of a paint film, the epoxy modified acrylic resin contains various active functional groups, the crosslinking activity of the epoxy modified acrylic resin and other molecules can be obviously improved, the crosslinking density of the paint film is increased, but the flexibility is poor, the curing speed is slow, and the impact resistance is poor. The paint film has very small contact angle, and can greatly reduce the surface energy of the paint film, so that the paint film has the functions of water resistance, sweat resistance and bacteria resistance; the high methylated melamine resin is a cross-linking agent of a functional polymer containing hydroxyl, carboxyl and amido, and can be used as a high-efficiency cross-linking agent of epoxy modified acrylic resin and organic silicon fluorine copolymer resin, so that the formed paint film has high cross-linking density and good wear resistance, and simultaneously, the high methylated melamine resin can be used as the cross-linking agent to ensure that the paint film has the characteristics of good flexibility, excellent outdoor durability and excellent heat resistance.
The nano silver can enable a paint film to have antibacterial and bacteriostatic effects, and does not enable thalli to generate drug resistance, but can reduce the wear resistance of the paint film and fall off from the paint film after being added into a common paint film, and lose the self effect of the paint film, but can be embedded into paint film cross-linked reticular gaps formed by the film forming substances after being added into the paint using epoxy modified acrylic resin, organic silicon fluorine copolymer resin and high methyl etherified melamine resin as the film forming substances, so that the nano silver does not fall off in the long-term use process of the paint film, further enables the paint film to have a permanent antibacterial effect, simultaneously increases the hardness of the paint film, and does not influence the wear resistance of the paint film.
Active groups contained in siloxane can be combined on the surface of a film-forming material, so that the surface energy of a paint film is further reduced, and the stain resistance of the paint film is improved.
The addition of the glass powder and the nano metal oxide dispersion liquid can fully fill various crosslinking gaps with different sizes formed in the crosslinking process of the film forming substances in the paint film, and greatly improve the hardness of the paint film.
Preferably, the epoxy modified acrylic resin can be ZTC-018 from environmental protection technologies of Chinan Zhi paint, Inc.
The paint film formed by the epoxy modified acrylic resin has excellent adhesive force performance on the surface of the metal base material.
Preferably, the organic silicon-organic fluorine copolymer resin can use WS-1680 of Wuxi sandin environmental protection new materials GmbH.
The F-C bond in the organic silicon-organic fluorine copolymer resin has high energy and can play a good anti-aging role.
Preferably, the highly methylated melamine resin can be CYMEL 303 LF.
The high methylated melamine resin has high methylated degree and is more easily dissolved in water, thereby improving the compatibility with other resins.
Preferably, the cosolvent is diethylene glycol butyl ether; and/or
The particle size of the glass powder is less than or equal to 2.5 mu m, and VX-SP of Nippon Longsen company can be used; and/or
The pH regulator can be dimethylethanolamine from Pasteur, Germany; and/or
The defoamer is a polyether modified organosiloxane based defoamer such as Tego Antifoam1015 digao.
The glass powder is high-purity crystal quartz powder, and has the excellent characteristics of high Mohs hardness, good transparency, narrow particle size distribution and easy dispersion; the pH regulator has proper volatilization speed, and the odor of the paint film is greatly reduced.
Preferably, the dispersant is a polymer containing a high pigment anchoring group, such as digan
DISPERS 757W; and/or
The substrate wetting agent is a polyether modified polysiloxane wetting agent, such as BYK-346 by bike.
The pigment anchoring group contained in the dispersant can improve the stability and color developability of the pigment and increase the appearance fullness of a paint film.
Preferably, the particle size of the nano silver is 23-28nm, and JDGKP-003 of Jinda nanometer technology Co., Ltd can be used; and/or
The siloxane is heptadecafluorodecyltrimethoxysilane, and WS-1160 of Wuxi sandin environmental new materials GmbH can be used.
The nano silver has strong inhibition and killing effects on dozens of pathogenic microorganisms such as escherichia coli, gonococcus, chlamydia trachomatis and the like, and cannot generate drug resistance; the siloxane can be chemically bonded with hydroxyl, carboxyl and oxygen-containing groups of a paint film so as to increase the adhesive force, and a monomolecular layer of fluorine-silicon film is formed on the surface of the paint film, so that the paint film has extremely low surface energy, excellent hydrophobic, oleophobic and antifouling properties, and the organic solvent resistance of the paint film is greatly increased.
Preferably, the nano metal oxide dispersion liquid is a nano alumina dispersion, and BYK3600 of Pico company can be used.
The nano metal oxide dispersion can increase the hardness of a paint film and the wear resistance of the paint film.
Preferably, the leveling agent is polyether siloxane copolymer, and Glide 450 with digao can be used; and/or
The pigment is one of titanium dioxide, iron oxide red and carbon black.
The invention also provides a preparation method of the water-based acrylic amino baking paint, which at least comprises the following steps:
a. according to the mass ratio of the raw materials, 1/3 epoxy modified acrylic resin, 1/2 deionized water, 1/3 pH value regulator, dispersant, 1/2 defoamer, 1/2 cosolvent, glass powder, nano silver and pigment are mixed, stirred for 25-30min at 1000-1200r/min, and ground until the fineness is less than or equal to 15 mu m to obtain grinding slurry;
b, according to the mass ratio of the raw materials, under the stirring speed condition of 500-600r/min, sequentially adding the rest 2/3 epoxy modified acrylic resin, the rest 1/2 cosolvent, the rest 1/2 pH value regulator, grinding slurry, high methylated melamine resin, organic silicon fluorine copolymer resin, siloxane, nano metal oxide dispersion, the rest 1/2 defoamer, a base material wetting agent, a flatting agent and the rest 1/2 deionized water into a container, uniformly mixing, and stirring for 10-15min at 1000-1200 r/min.
Compared with the prior art, the preparation method of the water-based acrylic amino baking varnish provided by the invention is simple, low in equipment requirement, free of harmful gas release, small in smell and easy to construct.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The water-based acrylic amino baking paint comprises the following components in percentage by mass:
wherein, the epoxy modified acrylic resin uses ZTC-018 of Hunan Zhitu environmental protection science and technology limited company; the organic silicon-organic fluorine copolymer resin is WS-1680 of Wuxi sanden environmental protection new material GmbH; the high methylated melamine resin is CYMEL 303 LF; the glass powder is VX-SP of Nippon Longsen company; the pH regulator is dimethylethanolamine from Pasteur Germany; the antifoaming agent is Tego Antifoam 1015; the dispersant is digao
DISPERS 757W; the substrate wetting agent is BYK-346; the nano silver is JDGKP-003 of Jinda nanometer science and technology limited company; the siloxane is WS-1160 of Wuxi Cheng Jing environmental protection new material Co.Ltd; the nano metal oxide dispersion liquid is BYK3600 of Pico company; the leveling agent is a dihomo Glide 450; the pigment is titanium dioxide.
The preparation method of the water-based acrylic amino baking paint comprises the following steps:
a. according to the mass ratio of the raw materials, 1/3 epoxy modified acrylic resin, 1/2 deionized water, 1/3 pH value regulator, dispersant, 1/2 defoamer, 1/2 cosolvent, glass powder, nano silver and pigment are mixed, stirred at 1000r/min for 30min and then ground until the fineness is less than or equal to 15 microns, and grinding slurry is obtained;
b, according to the mass ratio of the raw materials, under the stirring speed condition of 600r/min, sequentially adding the rest 2/3 epoxy modified acrylic resin, the rest 1/2 cosolvent, the rest 1/2 pH value regulator, grinding slurry, high methylated melamine resin, organic silicon fluorine copolymer resin, siloxane, nano metal oxide dispersion liquid, the rest 1/2 defoamer, a base material wetting agent, a flatting agent and the rest 1/2 deionized water into a container, uniformly mixing, and stirring for 10min at 1000 r/min.
Example 2
The water-based acrylic amino baking paint comprises the following components in percentage by mass:
wherein, the epoxy modified acrylic resin uses ZTC-018 of Hunan Zhitu environmental protection science and technology limited company; the organic silicon-organic fluorine copolymer resin is Wuxi sanden JingWS-1680 from environmental protection New materials, Inc.; the high methylated melamine resin is CYMEL 303 LF; the glass powder is VX-SP of Nippon Longsen company; the pH regulator is dimethylethanolamine from Pasteur Germany; the antifoaming agent is Tego Antifoam 1015; the dispersant is digaoDISPERS 757W; the substrate wetting agent is BYK-346; the nano silver is JDGKP-003 of Jinda nanometer science and technology limited company; the siloxane is WS-1160 of Wuxi Cheng Jing environmental protection new material Co.Ltd; the nano metal oxide dispersion liquid is BYK3600 of Pico company; the leveling agent is a dihomo Glide 450; the pigment is iron oxide red.
The preparation method of the water-based acrylic amino baking paint comprises the following steps:
a. according to the mass ratio of the raw materials, 1/3 epoxy modified acrylic resin, 1/2 deionized water, 1/3 pH value regulator, dispersant, 1/2 defoamer, 1/2 cosolvent, glass powder, nano silver and pigment are mixed, stirred at 1100r/min for 25min and then ground until the fineness is less than or equal to 15 microns, so that grinding slurry is obtained;
b, according to the mass ratio of the raw materials, under the condition of stirring speed of 500r/min, sequentially adding the rest 2/3 epoxy modified acrylic resin, the rest 1/2 cosolvent, the rest 1/2 pH value regulator, grinding slurry, high methylated melamine resin, organic silicon fluorine copolymer resin, siloxane, nano metal oxide dispersion liquid, the rest 1/2 defoamer, a base material wetting agent, a flatting agent and the rest 1/2 deionized water into a container, uniformly mixing, and stirring for 15min at 1100 r/min.
Example 3
The water-based acrylic amino baking paint comprises the following components in percentage by mass:
| group of | Mass percent |
| Epoxy modified acrylic resin | 30 |
| Organic silicon organic fluorine copolymer resin | 5 |
| Highly methylated melamine resin | 4 |
| Diethylene glycol butyl ether | 5 |
| Glass powder | 4 |
| pH regulator | 2 |
| Defoaming agent | 0.5 |
| Dispersing agent | 1.5 |
| Substrate wetting agent | 0.3 |
| Nano silver | 1 |
| Siloxanes | 2 |
| Nano metal oxide dispersion liquid | 5 |
| Leveling agent | 0.4 |
| Pigment (I) | 10 |
| Deionized water | 29.3 |
Wherein, the epoxy modified acrylic resin uses ZTC-018 of Hunan Zhitu environmental protection science and technology limited company; the organic silicon-organic fluorine copolymer resin is WS-1680 of Wuxi sanden environmental protection new material GmbH; the high methylated melamine resin is CYMEL 303 LF; the glass powder is VX-SP of Nippon Longsen company; the pH regulator is dimethylethanolamine from Pasteur Germany; the antifoaming agent is Tego Antifoam 1015; the dispersant is digao
DISPERS 757W; the substrate wetting agent is BYK-346; the nano silver is JDGKP-003 of Jinda nanometer science and technology limited company; the siloxane is WS-1160 of Wuxi Cheng Jing environmental protection new material Co.Ltd; the nano metal oxide dispersion liquid is BYK3600 of Pico company; the leveling agent is a dihomo Glide 450; the pigment is carbon black.
The preparation method of the water-based acrylic amino baking paint comprises the following steps:
a. according to the mass ratio of the raw materials, 1/3 epoxy modified acrylic resin, 1/2 deionized water, 1/3 pH value regulator, dispersant, 1/2 defoamer, 1/2 cosolvent, glass powder, nano silver and pigment are mixed, stirred at 1200r/min for 30min and then ground until the fineness is less than or equal to 15 microns, and grinding slurry is obtained;
b, according to the mass ratio of the raw materials, under the condition of stirring speed of 500r/min, sequentially adding the rest 2/3 epoxy modified acrylic resin, the rest 1/2 cosolvent, the rest 1/2 pH value regulator, grinding slurry, high methylated melamine resin, organic silicon fluorine copolymer resin, siloxane, nano metal oxide dispersion liquid, the rest 1/2 defoamer, a base material wetting agent, a flatting agent and the rest 1/2 deionized water into a container, uniformly mixing, and stirring for 15min at 1200 r/min.
The properties of the waterborne acrylic amino baking varnish prepared in the examples 1-3 were tested, and the test results are shown in the following table:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The water-based acrylic amino baking paint is characterized in that: the composite material comprises the following components in percentage by mass:
15-30% of epoxy modified acrylic resin, 5-10% of organic silicon-organic fluorine copolymer resin, 4-10% of high methyl etherified melamine resin, 3-5% of cosolvent, 2-4% of glass powder, 1-2% of pH regulator, 0.5-1% of defoamer, 0.5-1.5% of dispersant, 0.3-0.5% of base material wetting agent, 0.5-1% of nano silver, 1-2% of siloxane, 3-5% of nano metal oxide dispersion liquid, 0.2-0.4% of flatting agent, 10-25% of pigment and the balance of deionized water.
2. The aqueous acrylic amino baking varnish according to claim 1, wherein: the type of the epoxy modified acrylic resin is ZTC-018.
3. The aqueous acrylic amino baking varnish according to claim 1, wherein: the type of the organic silicon-organic fluorine copolymer resin is WS-1680.
4. The aqueous acrylic amino baking varnish according to claim 1, wherein: the type of the high methylated melamine resin is CYMEL 303 LF.
5. The aqueous acrylic amino baking varnish according to claim 1, wherein: the cosolvent is diethylene glycol butyl ether; and/or
The grain size of the glass powder is less than or equal to 2.5 mu m; and/or
The pH regulator is dimethylethanolamine; and/or
The defoaming agent is polyether modified organic siloxane defoaming agent.
6. The aqueous acrylic amino baking varnish according to claim 1, wherein: the dispersant is a polymer containing high pigment anchoring groups; and/or
The base material wetting agent is polyether modified polysiloxane wetting agent.
7. The aqueous acrylic amino baking varnish according to claim 1, wherein: the particle size of the nano silver is 23-28 nm; and/or
The siloxane is heptadecafluorodecyltrimethoxysilane.
8. The aqueous acrylic amino baking varnish according to claim 1, wherein: the nano metal oxide dispersion liquid is a nano aluminum oxide dispersion liquid.
9. The aqueous acrylic amino baking varnish according to claim 1, wherein: the leveling agent is polyether siloxane copolymer; and/or
The pigment is one of titanium dioxide, iron oxide red and carbon black.
10. The method for preparing the aqueous acrylic amino baking varnish according to any one of claims 1 to 9, characterized in that: at least comprises the following steps:
a. according to the mass ratio of the raw materials, 1/3 epoxy modified acrylic resin, 1/2 deionized water, 1/3 pH value regulator, dispersant, 1/2 defoamer, 1/2 cosolvent, glass powder, nano silver and pigment are mixed, stirred for 25-30min at 1000-1200r/min, and ground until the fineness is less than or equal to 15 mu m to obtain grinding slurry;
b, according to the mass ratio of the raw materials, under the stirring speed condition of 500-600r/min, sequentially adding the rest 2/3 epoxy modified acrylic resin, the rest 1/2 cosolvent, the rest 1/2 pH value regulator, grinding slurry, high methylated melamine resin, organic silicon fluorine copolymer resin, siloxane, nano metal oxide dispersion, the rest 1/2 defoamer, a base material wetting agent, a flatting agent and the rest 1/2 deionized water into a container, uniformly mixing, and stirring for 10-15min at 1000-1200 r/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910892874.5A CN110643240A (en) | 2019-09-20 | 2019-09-20 | Water-based acrylic amino baking paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910892874.5A CN110643240A (en) | 2019-09-20 | 2019-09-20 | Water-based acrylic amino baking paint and preparation method thereof |
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| CN110643240A true CN110643240A (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114276732A (en) * | 2022-01-18 | 2022-04-05 | 陕西科技大学 | Antibacterial and anticorrosive paint and coating based on silver-doped quaternary ammonium-based nano silica sol and epoxy fluorine-containing acrylate resin |
-
2019
- 2019-09-20 CN CN201910892874.5A patent/CN110643240A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114276732A (en) * | 2022-01-18 | 2022-04-05 | 陕西科技大学 | Antibacterial and anticorrosive paint and coating based on silver-doped quaternary ammonium-based nano silica sol and epoxy fluorine-containing acrylate resin |
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