CN112143309A - Water-based anti-sticking anticorrosion primer and preparation method and application thereof - Google Patents
Water-based anti-sticking anticorrosion primer and preparation method and application thereof 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
- 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
- C09D5/08—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
- 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
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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
- 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
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a water-based anti-sticking and anti-corrosion primer and a preparation method and application thereof, wherein the raw materials of the water-based anti-sticking and anti-corrosion primer comprise water-based epoxy ester resin, acrylic emulsion and an auxiliary agent, the mass ratio of the water-based epoxy ester resin to the acrylic emulsion is 6-10: 15-25, the solid content of the acrylic emulsion is 45% -50%, the particle diameter is 0.1-0.2 mu m, and the lowest film forming temperature is 20-25 ℃. The water-based anti-sticking anti-corrosion primer disclosed by the invention has excellent anti-sticking performance and high drying speed.
Description
Technical Field
The invention belongs to the technical field of industrial anticorrosive paint, and particularly relates to a water-based anti-sticking anticorrosive primer as well as a preparation method and application thereof.
Background
The acrylic emulsion has the advantages of high solid content, high drying speed, low price and the like, and a paint film prepared by using the acrylic emulsion as a raw material has good fullness, strong construction tolerance and excellent weather resistance, and is widely applied to the field of steel structure anticorrosive paint. Although the existing pure acrylic emulsion and styrene-acrylic emulsion synthesis technologies are more mature and advanced, the traditional single-phase polymer synthesis develops the synthesis technologies of single/multiple phase, core-shell structure, graft copolymerization and the like to change the molecular structure of the film-forming resin, the single-component acrylate coating still has inherent structural disadvantages compared with the double-component coating, and when the temperature of a dried and cured paint film is increased, thermoplastic resin can be converted from a glass state to a viscous state again to soften the paint film, so that the paint film is extruded and adhered to a contact object under stress to generate re-adhesion. Although the anti-after-tack property of a paint film can be reduced to a certain extent by increasing the glass transition temperature of the resin, the lowest film-forming temperature of the paint film is increased by increasing the glass transition temperature of the resin, the use amount of a film-forming aid is increased by increasing the lowest film-forming temperature, so that the VOC (volatile organic compounds) of the whole system is increased, the environmental friendliness of the water-based paint is affected, and meanwhile, the drying speed and the initial water resistance of the paint film are affected by adding the film-forming aid, so that the high-strength continuous mechanical coating construction cannot be adapted.
From the viewpoint of comprehensive properties and product cost, a small amount of one-component self-crosslinking resin (alkyd resin or epoxy ester resin) is one of the most preferable solutions by physical cold-blending. However, in the prior art, the anticorrosive paint compounded by the acrylic emulsion and the self-crosslinking resin mainly focuses on the salt spray resistance and the oil stain resistance, and a large amount of self-crosslinking resin needs to be added, so that the anticorrosive paint has the disadvantages of high cost, long drying time and poor anti-after-tack performance.
Disclosure of Invention
In view of the above problems in the prior art, a first object of the present invention is to provide a water-based anti-sticking anticorrosion primer, which has excellent anti-sticking performance.
The raw materials of the water-based anti-sticking and anti-corrosion primer comprise water-based epoxy ester resin, acrylic emulsion and an auxiliary agent, wherein the mass ratio of the water-based epoxy ester resin to the acrylic emulsion is 6-10: 15-25, the solid content of the acrylic emulsion is 45-50%, the particle diameter is 0.1-0.2 mu m, and the lowest film forming temperature is 20-25 ℃.
According to the invention, the proper waterborne epoxy ester resin and the proper acrylic emulsion are selected and compounded according to a specific proportion, so that the drying speed of a paint film is increased, and the anti-after-tack performance is improved.
The water-based epoxy ester resin is selected from water-based epoxy ester resin 8390 of Zhejiang river and resin Co, Ltd, is brown yellow transparent viscous liquid, has a solid content of 70 +/-2%, can be directly mixed and ground with other components, is easy to disperse, and is uniform and fine. The acrylic emulsion adopts S-98-4 acrylic emulsion of Barde Fukuji Co., Ltd, Changshan city, semitransparent milky white liquid with solid content of 48 +/-1%, particle diameter of 0.1-0.2 mu m and minimum film forming temperature of 25 ℃.
The auxiliary agent comprises a drier, and the water-based anti-sticking anticorrosion primer comprises the following raw materials in parts by mass:
6-10 parts of water-based epoxy ester resin
0.1-0.2 part of drier
15-25 parts of acrylic emulsion.
The water-based epoxy ester resin is oxidized and crosslinked under the action of a drier to form a three-dimensional network structure, so that drying is promoted, the Tg and hardness of a paint film are improved, and anti-sticking is facilitated.
The drier accounts for 1-5% of the weight of the waterborne epoxy ester resin.
The drier is selected from aqueous composite drier TH3305 of Zhejiang river and resin Co, Ltd, and the metal content is 5% +/-2.
The auxiliary agent also comprises a pH regulator, a wetting agent, a dispersing agent, a defoaming agent, a pigment filler, a film-forming auxiliary agent, an anti-flash rust agent and a thickening agent.
The water-based anti-sticking anti-corrosion primer disclosed by the invention comprises the following raw materials in parts by mass:
6-10 parts of water-based epoxy ester resin
0.1-0.2 part of pH regulator
0.1-0.2 part of drier
30-50 parts of water
0.1 to 0.2 portion of wetting agent
0.15 to 0.25 portion of dispersant
0.1 to 0.2 portion of defoaming agent
20-40 parts of pigment and filler
15-25 parts of acrylic emulsion
1-3 parts of film forming auxiliary agent
0.1-0.5 part of flash rust inhibitor
0.2-1 part of thickening agent
The weight of the pH regulator is 1-4% of that of the waterborne epoxy ester resin. The pH regulator is used for regulating the pH of the waterborne epoxy ester resin, so that the waterborne epoxy ester resin can be fully dispersed with the acrylic emulsion after being dissolved in water.
The pH regulator is selected from one or more of ammonia water, 1-amino-2-propanol, N-methylethanolamine, N-N dimethylethanolamine, 2-amino-2-methyl-1-propanol, dimethylethanolamine, monoethanolamine, diethanolamine, triethanolamine, sodium hydroxide and potassium hydroxide.
The wetting agent is selected from one or more of alkyne diol and derivatives thereof wetting agents, nonionic alkyl ethoxy wetting agents, polyether modified polysiloxane wetting agents or nonionic organic fluorine wetting agents.
The dispersant is selected from polyurethane dispersants.
The defoaming agent adopts common defoaming agents, such as silicone defoaming agents or fluorosilicone defoaming agents.
The pigment and the filler comprise pigments and/or fillers, and are pigments and fillers for coating, which are common in the field. By way of example, the pigment may be selected from any one or more of red iron oxide, yellow iron oxide, black iron oxide, titanium dioxide, lithopone, zinc white, chrome yellow powder, cadmium yellow, chrome green oxide, iron blue, ultramarine blue, cadmium red, molybdenum chrome red, carbon black, phthalocyanine blue, and the filler may be selected from any one or more of talc, kaolin, diatomaceous earth, wollastonite, quartz sand, barium sulfate, mica powder, feldspar powder.
The film forming auxiliary agent is selected from one or more of alcohol ester twelve, dipropylene glycol butyl ether, propylene glycol phenyl ether, dipropylene glycol methyl ether, ethylene glycol butyl ether, diisobutyl succinate and diethylene glycol butyl ether.
The flash rust resisting agent is sodium nitrite or organic zinc chelate.
The thickener is selected from polyurethane thickeners.
The viscosity of the water-based anti-sticking anticorrosion primer is 75-80 KU (23 +/-2 ℃).
The second purpose of the invention is to provide a preparation method of the water-based anti-sticking anticorrosion primer, which comprises the following steps:
(1) mixing water-based epoxy ester resin, a pH regulator, a drier, water, a wetting agent, a dispersing agent, a defoaming agent and pigment and filler to obtain a first mixed material;
(2) adding acrylic emulsion, flash rust resisting agent, film forming assistant and thickening agent to obtain the water-based anti-sticking anticorrosion primer.
In the step (1), the fineness of the first mixed material is less than or equal to 50 mu m.
In the step (1), water, a wetting agent, a dispersing agent, a defoaming agent and pigment fillers are added after the water-based epoxy ester resin, the pH regulator and the drier are dispersed.
The third purpose of the invention is to provide the application of the water-based anti-sticking anticorrosion primer in the surface anticorrosion field. More specifically, the invention provides application of the water-based anti-sticking anti-corrosion primer in corrosion prevention of steel members, and the steel members can be steel structure net racks. The protective film is formed by coating the water-based anti-sticking anticorrosion primer on the steel structure net frame through self-drying or drying, and the coating method can adopt a common coating method, such as spraying.
Compared with the prior art, the invention has the following beneficial effects:
(1) the water-based anti-sticking anti-corrosion primer disclosed by the invention has excellent anti-sticking performance and high drying speed.
(2) Compared with the prior art, the invention reduces the consumption of the waterborne epoxy ester resin and the cost.
Detailed Description
The present invention is further illustrated by the following specific examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Example 1
The present embodiment provides a water-based anti-sticking and anti-corrosion primer, and the raw materials and the mixture ratio thereof are shown in table 1.
In table 1, the waterborne epoxy ester resin is a Tianhe 8390 waterborne epoxy ester resin.
The pH regulator is dimethylethanolamine.
The drier is a composite drier TH 3305.
The wetting agent is an acetylenic diol nonionic wetting agent, available from Guangzhou Fengsho chemical technologies, Inc., under the designation V-104E.
The dispersant is a water-based polyurethane dispersant, and is available from Guangdong Nanhui New Material Co., Ltd, under the brand name N-1775.
The defoaming agent is an organic silicon defoaming agent, and is sold under the brand number DJ-296 by Tiande New materials Co.
The acrylic emulsion is S-98-4 acrylic emulsion of Barde Fukuji Co., Ltd, Changshan, semitransparent milky white liquid with solid content of 48 +/-1%, particle diameter of 0.1-0.2 μm and minimum film forming temperature of 25 ℃.
The flash rust inhibitor is sodium nitrite.
The film-forming assistant is dipropylene glycol methyl ether.
The thickener is nonionic polyurethane associated thickener, has good thickening effect on medium-low shear (KU) viscosity, and is commonly available from Shanghai New Material science and technology Co., Ltd., brand U-501.
The preparation method of the water-based anti-sticking anticorrosion primer of the embodiment is as follows:
adding 7 parts of waterborne epoxy ester resin into a dispersion cylinder, and sequentially adding 0.25 part of pH regulator and 0.15 part of drier for dispersion for 5min under the condition that the rotating speed is 1000 r/min. Regulating the rotating speed to 750r/min, sequentially adding 18 parts of water, 0.1 part of wetting agent, 0.2 part of dispersing agent, 0.1 part of defoaming agent, 1.8 parts of titanium dioxide, 1.5 parts of iron oxide red, 10 parts of talcum powder and 23 parts of barium sulfate, uniformly stirring at a high speed, and grinding to the fineness of less than 50 micrometers. Then 22 parts of acrylic emulsion, 0.2 part of flash rust resisting agent and 2 parts of film forming auxiliary agent are added in sequence. And finally, adding 0.2 part of thickening agent to adjust the viscosity to 78KU, and filtering by using 200-mesh spun silk cloth to obtain the water-based anti-sticking anticorrosion primer.
Comparative example 1
This comparative example is similar to example 1 except that: the proportion of the water-based epoxy ester resin is increased to 15 parts, and the proportion of the acrylic emulsion is correspondingly reduced to 14 parts.
Comparative example 2
This comparative example is similar to example 1 except that: the proportion of the aqueous epoxy ester resin is reduced to 0 part, and the proportion of the acrylic emulsion is correspondingly increased to 29 parts.
TABLE 1 raw materials of water-based anti-sticking anticorrosion primer and parts by mass thereof
| Example 1 | Comparative example 1 | Comparative example 2 | |
| Aqueous epoxy ester resin | 7 | 15 | 0 |
| pH regulator | 0.25 | 0.25 | 0.25 |
| Drier | 0.15 | 0.15 | 0.15 |
| Water (W) | 18 | 18 | 18 |
| Wetting agent | 0.1 | 0.1 | 0.1 |
| Dispersing agent | 0.2 | 0.2 | 0.2 |
| Defoaming agent | 0.1 | 0.1 | 0.1 |
| Titanium white powder | 1.8 | 1.8 | 1.8 |
| Iron oxide red | 1.5 | 1.5 | 1.5 |
| Talcum powder | 10 | 10 | 10 |
| Barium sulfate | 23 | 23 | 23 |
| Acrylic emulsion | 22 | 14 | 29 |
| Flash rust inhibitor | 0.2 | 0.2 | 0.2 |
| Film forming aid | 2 | 2 | 2 |
| Thickening agent | 0.2 | 0.2 | 0.2 |
Sampling and detecting the water-based anti-sticking and anti-corrosion primer, preparing a sample according to the specified requirements and method, standing the sample at the ambient temperature for more than 48 hours (except for drying performance), detecting the viscosity, the fineness, the solid content, the drying time, the glossiness, the adhesive force and other technical indexes, and simultaneously testing the initial water resistance and the anti-sticking property according to the following methods:
initial water resistance: diluting with 10% water, stirring uniformly, spraying on a standard sand-blasting steel plate to obtain a paint film with a dry film thickness of 50m, air-drying at room temperature for 12 days, then simulating raining to test the initial water resistance of the paint film, lightly wiping the paint film after 8 days, and observing whether the paint film has the phenomena of abnormal appearance, whitening, decoloring, foaming, wrinkling and the like.
Anti-tack property: diluting with 10% water, uniformly stirring, spraying a paint film with a dry film thickness of 50 μm on a standard sand-blasting steel plate, air-drying at room temperature for 12h, stacking two test plates in a 50 ℃ oven face to face (one side of the paint film), placing a kilogram of weight on the uppermost test plate, keeping the temperature for 24h, taking the test plates out of the oven, removing pressure, separating the test plates, and judging the anti-sticky effect of the paint film by observing the difficulty degree of separation of the test plates and checking the damage degree (visible trace) of the surface of the paint film.
The results are shown in Table 2.
TABLE 2 Main technical indexes of the waterborne anti-sticking anticorrosion primer of example 1
As can be seen from Table 2, the water-based anti-sticking anti-corrosion primer in the embodiment 1 has excellent anti-sticking performance, is quick in natural drying, has surface drying time of not more than 25min and actual drying time of not more than 2.5h, has high adhesive force and VOC content of less than 40g/L, is environment-friendly and safe, can replace solvent-based products in the current market, has certain market prospect, and can be applied to the surface corrosion protection field of steel structure net racks and the like.
In comparison, the use amount of the waterborne epoxy ester resin is increased, the drying time is obviously prolonged after the use amount of the acrylic emulsion is reduced, and the increase of the use amount of the acrylic emulsion S-98-4 can effectively accelerate the drying speed of the waterborne anti-sticking anticorrosion primer and better meet the off-line requirement of a full-automatic mechanical production line. The raw materials of the anticorrosive paint of the comparative example 2 do not contain the waterborne epoxy ester resin, so that the anti-after tack performance is obviously reduced, and the addition of the waterborne epoxy ester resin can promote the crosslinking degree of a paint film, form a more compact body type network structure, obtain higher hardness and mechanical strength and effectively reduce the after tack.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The water-based anti-sticking anticorrosion primer is characterized in that: the water-based anti-sticking and anti-corrosion primer comprises the raw materials of water-based epoxy ester resin, acrylic emulsion and an auxiliary agent, wherein the mass ratio of the water-based epoxy ester resin to the acrylic emulsion is 6-10: 15-25, the solid content of the acrylic emulsion is 45-50%, the particle diameter is 0.1-0.2 mu m, and the lowest film forming temperature is 20-25 ℃.
2. The water-based anti-backsize anticorrosion primer according to claim 1, characterized in that: the waterborne epoxy ester resin is selected from waterborne epoxy ester resin 8390.
3. The water-based anti-backsize anticorrosion primer according to claim 1, characterized in that: the acrylic emulsion is selected from S-98-4 acrylic emulsion.
4. The water-based anti-backsize anticorrosion primer according to claim 1, characterized in that: the auxiliary agent comprises a drier, and the water-based anti-sticking anticorrosion primer comprises the following raw materials in parts by mass:
6-10 parts of water-based epoxy ester resin
0.1-0.2 part of drier
15-25 parts of acrylic emulsion.
5. The water-based anti-backsize anticorrosion primer according to claim 4, characterized in that: the drier accounts for 1-5% of the weight of the waterborne epoxy ester resin.
6. The water-based anti-backsize anticorrosion primer according to claim 4, characterized in that: the drier is selected from aqueous composite drier TH3305 of Zhejiang river and resin Co.
7. The water-based anti-sticking anticorrosion primer according to any one of claims 1 to 6, characterized in that: the auxiliary agent also comprises a pH regulator, a wetting agent, a dispersing agent, a defoaming agent, a pigment filler, a film-forming auxiliary agent, an anti-flash rust agent and a thickening agent.
8. The water-based anti-backsize anticorrosion primer according to claim 7, characterized in that: the water-based anti-sticking anticorrosion primer comprises the following raw materials in parts by mass:
6-10 parts of water-based epoxy ester resin
0.1-0.2 part of pH regulator
0.1-0.2 part of drier
30-50 parts of water
0.1 to 0.2 portion of wetting agent
0.15 to 0.25 portion of dispersant
0.1 to 0.2 portion of defoaming agent
20-40 parts of pigment and filler
15-25 parts of acrylic emulsion
1-3 parts of film forming auxiliary agent
0.1-0.5 part of flash rust inhibitor
0.2-1 part of thickening agent.
9. A method for preparing the water-based anti-sticking anticorrosion primer according to claim 7 or 8, which is characterized in that: the method comprises the following steps:
(1) mixing water-based epoxy ester resin, a pH regulator, a drier, water, a wetting agent, a dispersing agent, a defoaming agent and pigment and filler to obtain a first mixed material;
(2) adding acrylic emulsion, flash rust resisting agent, film forming assistant and thickening agent to obtain the water-based anti-sticking anticorrosion primer.
10. The application of the water-based anti-sticking back corrosion-resistant primer according to any one of claims 1 to 8 in the field of surface corrosion resistance.
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Cited By (1)
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