CN111876052A - High-performance water-based epoxy anticorrosive paint - Google Patents
High-performance water-based epoxy anticorrosive paint Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
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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
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention provides a high-performance water-based epoxy anticorrosive paint, which comprises a component A and a component B; the component A comprises the following components in parts by weight: 60-70 parts of water-based epoxy resin emulsion, 5-8.5 parts of styrene-acrylic emulsion, 2-3.5 parts of zinc oxide/graphene oxide composite material, 0.5-1.2 parts of cerium-doped nano titanium dioxide, 1-2 parts of nano attapulgite, 3-5 parts of organic bentonite, 0.2-3 parts of pigment, 0.3-0.5 part of silane coupling agent, 2-3 parts of n-butyl alcohol, 0.3-0.6 part of dispersing agent, 0.3-0.5 part of defoaming agent, 0.2-0.4 part of flatting agent and 18-25 parts of deionized water; the component B comprises the following components in parts by weight: 30-35 parts of polyether amine, 3-5 parts of diethylenetriamine, 25-32 parts of wet-process sericite powder and 8-12 parts of talcum powder. The anticorrosive coating is green and environment-friendly, the raw materials are matched with each other, and the prepared coating is good in anticorrosive effect, excellent in mechanical property and strong in adhesive force.
Description
Technical Field
The invention relates to the technical field of coatings, and particularly relates to a high-performance water-based epoxy anticorrosive coating.
Background
The epoxy resin is one of thermosetting resins, has the advantages of good corrosion resistance, excellent adhesive force, excellent physical and mechanical properties, good electrical insulation property, strong chemical reagent resistance stability and the like, and is widely applied to the field of heavy-duty anticorrosive coatings. The epoxy coating product mainly adopts a solvent type, and has the defects of easy volatilization of organic solvents, easy environmental pollution and the like in the production and use processes. Development of waterborne epoxy coatings is one of the effective ways to avoid the use of organic solvents or to reduce the content of organic solvents. The key technology for preparing the water-based epoxy coating is the water-based preparation of the base material epoxy resin, namely, the water solution is used for replacing an organic solvent as a dispersion medium, so that the content of the organic solvent can be effectively reduced, and the discharge amount of the organic solvent is reduced.
The domestic patent with the application number of CN201911405744.0 discloses a preparation method of a water-based anticorrosive epoxy coating, which comprises the steps of preparing an emulsifier by using hydroxyl-terminated hyperbranched polyetheramine, phthalic anhydride and epoxy resin E20, and obtaining a water-based epoxy emulsion by a phase inversion method; the polyaniline which can be dispersed in the aqueous solution is prepared by a chemical oxidation method by taking polyvinylpyrrolidone as a dispersant and phosphoric acid as a dopant. The waterborne anticorrosive epoxy coating is prepared from waterborne epoxy emulsion, polyaniline, a waterborne curing agent, deionized water, a defoaming agent and a base material wetting agent. The water-based epoxy coating provided by the invention has the characteristics of low content of volatile organic substances, environmental friendliness, good corrosion resistance and the like.
The domestic patent with the application number of CN201911283012.9 discloses a water-based epoxy anticorrosive paint, which comprises a component A and a component B, wherein the component A comprises: deionized water, an auxiliary agent, a pigment filler, an epoxy resin emulsion and an additive; the component B comprises: deionized water, an auxiliary agent and a water-based epoxy curing agent. The preparation method has the advantages of reasonable process, simple and convenient operation, environmental friendliness and high coating quality, and the prepared water-based epoxy anticorrosive coating has the advantages of good room-temperature storage stability, excellent mechanical property and strong corrosion resistance.
However, both of the above two aqueous anticorrosive epoxy coatings need to be further improved in anticorrosive property and coating film mechanical property.
Disclosure of Invention
The invention aims to provide a high-performance water-based epoxy anticorrosive paint which is green and environment-friendly, and the prepared paint has good anticorrosive effect, excellent mechanical property and strong adhesive force due to the mutual matching of the raw materials.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 60-70 parts of water-based epoxy resin emulsion, 5-8.5 parts of styrene-acrylic emulsion, 2-3.5 parts of zinc oxide/graphene oxide composite material, 0.5-1.2 parts of cerium-doped nano titanium dioxide, 1-2 parts of nano attapulgite, 3-5 parts of organic bentonite, 0.2-3 parts of pigment, 0.3-0.5 part of silane coupling agent, 2-3 parts of n-butyl alcohol, 0.3-0.6 part of dispersing agent, 0.3-0.5 part of defoaming agent, 0.2-0.4 part of flatting agent and 18-25 parts of deionized water;
the component B comprises the following components in parts by weight: 30-35 parts of polyether amine, 3-5 parts of diethylenetriamine, 25-32 parts of wet-process sericite powder and 8-12 parts of talcum powder.
Preferably, the aqueous epoxy resin emulsion is an AB-EP-20 aqueous epoxy resin emulsion.
Preferably, the solid content of the styrene-acrylic emulsion is 45-48.5%.
Preferably, the amine value of the polyetheramine is 321-465mgKOH/g
Preferably, the zinc oxide/graphene oxide composite material is prepared by the following method:
(1) 1 part of zinc acetate is dripped into 60 parts of ethylene glycol while stirring, 0.2 part of graphene oxide is added after the dripping is finished, and the mixture is ultrasonically dispersed for 2 hours to obtain a mixed solution;
(2) adjusting the pH value of the mixed solution to 9.5-10 by using a sodium hydroxide solution; and then transferring the mixed solution into a hydrothermal kettle, raising the temperature to 160-165 ℃, preserving the heat for 12h, cooling, filtering, washing the obtained solid with water, and drying to obtain the zinc oxide/graphene oxide composite material.
Preferably, the mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.3-0.5%.
Preferably, the pigment is at least one of carbon black, iron oxide red, chrome yellow, titanium dioxide and phthalocyanine blue.
Preferably, the silane coupling agent is KH550, KH560 or KH 570.
Preferably, the dispersant is BYK-9077; the defoaming agent is BYK-025; the leveling agent is BYK-310.
The preparation method of the high-performance water-based epoxy anticorrosive paint comprises the following steps:
(1) preparing a component A: adding a zinc oxide/graphene oxide composite material, cerium-doped nano titanium dioxide, nano attapulgite and a silane coupling agent into a stirring tank, stirring at a high speed, uniformly mixing, adding a water-based epoxy resin emulsion, a styrene-acrylic emulsion, organic bentonite, a pigment, n-butyl alcohol, a dispersing agent, a defoaming agent, a leveling agent and deionized water, and uniformly stirring to obtain a component A;
(2) preparing the component B: adding polyetheramine, diethylenetriamine, wet-process sericite powder and talcum powder into a stirring tank, and uniformly stirring to obtain a component B;
when in use, the component A and the component B are mixed and stirred evenly, and the mixture is kept stand for 16-20min for use.
The invention has the beneficial effects that:
1. in the coating, the waterborne epoxy resin emulsion is matched with a proper amount of styrene-acrylic emulsion, so that the overall crosslinking degree of a coating film is higher, the toughness of the coating film is enhanced, and the impermeability of the coating film is improved.
2. The zinc oxide modified graphene oxide added in the invention has good integral dispersibility, can improve the reinforcing property, and can hinder the fracture and movement of a high molecular chain, so that the toughness of the coating is enhanced, and the adhesive force, the impact resistance and the corrosion resistance of the coating can be improved.
3. The added cerium-doped nano titanium dioxide can improve the strength of the coating film, can improve the antibacterial and mildew-proof performance of the coating film, has a good corrosion-resistant effect, and enables the coating film to have a certain self-cleaning capability.
4. The nano attapulgite and the organic bentonite added in the invention are matched, so that the coating has good anti-sagging performance.
5. In the invention, the raw materials are matched with each other, so that the adhesion force of the prepared coating reaches 0 grade, the impact resistance reaches over 75kg cm, the flexibility is excellent, and the corrosion resistance is good.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 67 parts of AB-EP-20 water-based epoxy resin emulsion, 6 parts of styrene-acrylic emulsion, 3 parts of zinc oxide/graphene oxide composite material, 0.9 part of cerium-doped nano titanium dioxide, 1.2 parts of nano attapulgite, 4 parts of organic bentonite, 1 part of titanium dioxide, KH 5500.35 parts of silane coupling agent, 3 parts of n-butyl alcohol, BYK-90770.5 parts of dispersing agent, BYK-0250.4 parts of defoaming agent, BYK-3100.2 parts of flatting agent and 22 parts of deionized water.
The component B comprises the following components in parts by weight: 33 parts of polyether amine, 5 parts of diethylenetriamine, 30 parts of wet-process sericite powder and 10 parts of talcum powder.
The solid content of the styrene-acrylic emulsion was 46.2%. The amine value of the polyetheramine was 405 mgKOH/g. The mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.45 percent.
Example 2:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 62 parts of AB-EP-20 aqueous epoxy resin emulsion, 8.5 parts of styrene-acrylic emulsion, 3 parts of zinc oxide/graphene oxide composite material, 1 part of cerium-doped nano titanium dioxide, 1.3 parts of nano attapulgite, 3.5 parts of organic bentonite, 1 part of titanium dioxide, KH 5700.5 parts of silane coupling agent, 3 parts of n-butyl alcohol, 3 parts of dispersing agent BYK-90770.5 parts, defoaming agent BYK-0250.3 parts, leveling agent BYK-3100.2 parts and 20 parts of deionized water.
The component B comprises the following components in parts by weight: 32 parts of polyether amine, 4.5 parts of diethylenetriamine, 30 parts of wet-process sericite powder and 10 parts of talcum powder.
The solid content of the styrene-acrylic emulsion was 46.2%. The amine value of the polyetheramine was 405 mgKOH/g. The mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.45 percent.
Example 3:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 70 parts of AB-EP-20 aqueous epoxy resin emulsion, 5 parts of styrene-acrylic emulsion, 3 parts of zinc oxide/graphene oxide composite material, 1 part of cerium-doped nano titanium dioxide, 2 parts of nano attapulgite, 5 parts of organic bentonite, 3 parts of titanium dioxide, KH 5500.3 parts of silane coupling agent, 3 parts of n-butyl alcohol, BYK-90770.6 parts of dispersing agent, BYK-0250.4 parts of defoaming agent, BYK-3100.2 parts of flatting agent and 22 parts of deionized water.
The component B comprises the following components in parts by weight: 35 parts of polyether amine, 5 parts of diethylenetriamine, 30 parts of wet-process sericite powder and 10 parts of talcum powder.
The solid content of the styrene-acrylic emulsion is 48.5 percent. The amine value of the polyetheramine was 465 mgKOH/g. The mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.3 percent.
Example 4:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 65 parts of AB-EP-20 water-based epoxy resin emulsion, 8.5 parts of styrene-acrylic emulsion, 2 parts of zinc oxide/graphene oxide composite material, 0.5 part of cerium-doped nano titanium dioxide, 1.5 parts of nano attapulgite, 3 parts of organic bentonite, 0.2 part of iron oxide red, KH 5600.35 parts of silane coupling agent, 2 parts of n-butyl alcohol, BYK-90770.3 parts of dispersing agent, BYK-0250.5 parts of defoaming agent, BYK-3100.3 parts of flatting agent and 25 parts of deionized water.
The component B comprises the following components in parts by weight: 32 parts of polyether amine, 3 parts of diethylenetriamine, 25 parts of wet-process sericite powder and 8 parts of talcum powder.
The solid content of the styrene-acrylic emulsion is 45%. The amine value of the polyetheramine was 321 mgKOH/g. The mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.5 percent.
Example 5:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 60 parts of AB-EP-20 water-based epoxy resin emulsion, 7 parts of styrene-acrylic emulsion, 3.5 parts of zinc oxide/graphene oxide composite material, 1.2 parts of cerium-doped nano titanium dioxide, 1 part of nano attapulgite, 3.5 parts of organic bentonite, 2 parts of carbon black, KH 5700.5 parts of silane coupling agent, 3 parts of n-butyl alcohol, BYK-90770.5 parts of dispersing agent, BYK-0250.4 parts of defoaming agent, BYK-3100.4 parts of flatting agent and 18 parts of deionized water.
The component B comprises the following components in parts by weight: 30 parts of polyether amine, 4.5 parts of diethylenetriamine, 32 parts of wet-process sericite powder and 12 parts of talcum powder.
The solid content of the styrene-acrylic emulsion was 46.2%. The amine value of the polyetheramine was 405 mgKOH/g. The mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.45 percent.
Example 6:
a high-performance water-based epoxy anticorrosive paint comprises a component A and a component B;
the component A comprises the following components in parts by weight: 66 parts of AB-EP-20 water-based epoxy resin emulsion, 8.5 parts of styrene-acrylic emulsion, 3 parts of zinc oxide/graphene oxide composite material, 1 part of cerium-doped nano titanium dioxide, 1.5 parts of nano attapulgite, 4.5 parts of organic bentonite, 1.5 parts of phthalocyanine blue, KH 5500.45 parts of silane coupling agent, 3 parts of n-butyl alcohol, BYK-90770.5 parts of dispersing agent, BYK-0250.5 parts of defoaming agent, BYK-3100.2 parts of flatting agent and 25 parts of deionized water;
the component B comprises the following components in parts by weight: 33.5 parts of polyether amine, 3.5 parts of diethylenetriamine, 30 parts of wet-process sericite powder and 10 parts of talcum powder.
The solid content of the styrene-acrylic emulsion is 45%. The amine value of the polyetheramine was 321 mgKOH/g. The mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.5 percent.
The preparation method of the high-performance water-based epoxy anticorrosive paint in the embodiments 1 to 6 comprises the following steps:
(1) preparing a component A: adding a zinc oxide/graphene oxide composite material, cerium-doped nano titanium dioxide, nano attapulgite and a silane coupling agent into a stirring tank, stirring at a high speed, uniformly mixing, adding a water-based epoxy resin emulsion, a styrene-acrylic emulsion, organic bentonite, a pigment, n-butyl alcohol, a dispersing agent, a defoaming agent, a leveling agent and deionized water, and uniformly stirring to obtain a component A;
(2) preparing the component B: adding polyetheramine, diethylenetriamine, wet-process sericite powder and talcum powder into a stirring tank, and uniformly stirring to obtain a component B;
when in use, the component A and the component B are mixed and stirred evenly, and the mixture is kept stand for 16-20min for use.
In embodiments 1 to 6 of the present invention, a zinc oxide/graphene oxide composite material is prepared by the following method:
(1) 1 part of zinc acetate is dripped into 60 parts of ethylene glycol while stirring, 0.2 part of graphene oxide is added after the dripping is finished, and the mixture is ultrasonically dispersed for 2 hours to obtain a mixed solution;
(2) adjusting the pH value of the mixed solution to 9.5-10 by using a sodium hydroxide solution; and then transferring the mixed solution into a hydrothermal kettle, raising the temperature to 160-165 ℃, preserving the heat for 12h, cooling, filtering, washing the obtained solid with water, and drying to obtain the zinc oxide/graphene oxide composite material.
And (3) performance testing:
the high-performance water-based epoxy anticorrosive paint prepared in the embodiments 1 to 3 of the invention is subjected to performance test. The obtained coating has uniform and consistent surface color tone, meets the color requirement, has no particles, pinholes, bubbles, wrinkles and the like on the surface, and has high flatness of the coating. Other performance test results are shown in table 1.
TABLE 1 test results of high-performance waterborne epoxy anticorrosive coatings
As can be seen from Table 1, the high-performance water-based epoxy anticorrosive paint prepared in the embodiments 1 to 3 of the invention has the advantages of strong storage stability, good anticorrosive effect, excellent mechanical properties of a coating film and strong adhesive force.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The high-performance water-based epoxy anticorrosive paint is characterized by comprising a component A and a component B;
the component A comprises the following components in parts by weight: 60-70 parts of water-based epoxy resin emulsion, 5-8.5 parts of styrene-acrylic emulsion, 2-3.5 parts of zinc oxide/graphene oxide composite material, 0.5-1.2 parts of cerium-doped nano titanium dioxide, 1-2 parts of nano attapulgite, 3-5 parts of organic bentonite, 0.2-3 parts of pigment, 0.3-0.5 part of silane coupling agent, 2-3 parts of n-butyl alcohol, 0.3-0.6 part of dispersing agent, 0.3-0.5 part of defoaming agent, 0.2-0.4 part of flatting agent and 18-25 parts of deionized water;
the component B comprises the following components in parts by weight: 30-35 parts of polyether amine, 3-5 parts of diethylenetriamine, 25-32 parts of wet-process sericite powder and 8-12 parts of talcum powder.
2. The high-performance water-based epoxy anticorrosive paint according to claim 1, wherein the water-based epoxy resin emulsion is an AB-EP-20 water-based epoxy resin emulsion.
3. The high-performance water-based epoxy anticorrosive paint as claimed in claim 1, wherein the styrene-acrylic emulsion has a solid content of 45-48.5%.
4. The high-performance aqueous epoxy anticorrosive paint as claimed in claim 1, wherein the amine value of the polyetheramine is 321-465 mgKOH/g.
5. The high-performance water-based epoxy anticorrosive paint as claimed in claim 1, wherein the zinc oxide/graphene oxide composite material is prepared by the following method:
(1) 1 part of zinc acetate is dripped into 60 parts of ethylene glycol while stirring, 0.2 part of graphene oxide is added after the dripping is finished, and the mixture is ultrasonically dispersed for 2 hours to obtain a mixed solution;
(2) adjusting the pH value of the mixed solution to 9.5-10 by using a sodium hydroxide solution; and then transferring the mixed solution into a hydrothermal kettle, raising the temperature to 160-165 ℃, preserving the heat for 12h, cooling, filtering, washing the obtained solid with water, and drying to obtain the zinc oxide/graphene oxide composite material.
6. The high-performance water-based epoxy anticorrosive paint as claimed in claim 1, wherein the mass fraction of cerium in the cerium-doped nano titanium dioxide is 0.3-0.5%.
7. The high-performance water-based epoxy anticorrosive paint according to claim 1, wherein the pigment is at least one of carbon black, iron oxide red, chrome yellow, titanium dioxide and phthalocyanine blue.
8. The high performance waterborne epoxy anticorrosive coating of claim 1, wherein the silane coupling agent is KH550, KH560 or KH 570.
9. The high-performance water-based epoxy anticorrosive paint as claimed in claim 1, wherein the dispersant is BYK-9077; the defoaming agent is BYK-025; the leveling agent is BYK-310.
10. The preparation method of the high-performance water-based epoxy anticorrosive paint according to any one of claims 1 to 9, characterized by comprising the following steps:
(1) preparation of a component A: adding a zinc oxide/graphene oxide composite material, cerium-doped nano titanium dioxide, nano attapulgite and a silane coupling agent into a stirring tank, stirring at a high speed, uniformly mixing, adding a water-based epoxy resin emulsion, a styrene-acrylic emulsion, organic bentonite, a pigment, n-butyl alcohol, a dispersing agent, a defoaming agent, a leveling agent and deionized water, and uniformly stirring to obtain a component A;
(2) b, preparation of a component B: adding polyetheramine, diethylenetriamine, wet-process sericite powder and talcum powder into a stirring tank, and uniformly stirring to obtain a component B;
when in use, the component A and the component B are mixed and stirred evenly, and the mixture is kept stand for 16-20min for use.
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| CN113637384A (en) * | 2021-07-26 | 2021-11-12 | 东方雨虹民用建材有限责任公司 | Environment-friendly epoxy resin composite waterproof coating, preparation method and construction method thereof, and waterproof coating |
| CN113943518A (en) * | 2021-12-03 | 2022-01-18 | 福州大学 | Recyclable antibacterial water-based epoxy resin coating and preparation method thereof |
| CN114752277A (en) * | 2022-04-20 | 2022-07-15 | 苏州诚尔泽新材料科技有限公司 | Preparation method and preparation equipment of FDA-grade waterborne epoxy anticorrosive material |
| CN116836578A (en) * | 2023-07-07 | 2023-10-03 | 天津大学 | Composite material and paint for mica/zinc oxide and marine anti-corrosion and anti-fouling coating |
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Application publication date: 20201103 |