CN115216190A - Corrosion-resistant water-based single-component acrylic paint and preparation method thereof - Google Patents
Corrosion-resistant water-based single-component acrylic paint and preparation method thereof Download PDFInfo
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- CN115216190A CN115216190A CN202210854198.4A CN202210854198A CN115216190A CN 115216190 A CN115216190 A CN 115216190A CN 202210854198 A CN202210854198 A CN 202210854198A CN 115216190 A CN115216190 A CN 115216190A
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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
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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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/005—Carbon black
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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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/007—Metal oxide
- C09D17/008—Titanium dioxide
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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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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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
- C09D7/80—Processes for incorporating ingredients
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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Abstract
The invention discloses a corrosion-resistant water-based single-component acrylic paint which comprises the following components of water-based acrylic emulsion, water-based color paste, deionized water, a water-based wetting agent, a water-based defoaming agent, a film-forming assistant, a water-based anticorrosive agent, an adhesion promoter and a water-based polyurethane thickener.
Description
Technical Field
The invention relates to the technical field of water-based paint, in particular to corrosion-resistant water-based single-component acrylic paint and a preparation method thereof.
Background
In order to ensure good use effect of metal materials such as steel, aluminum and the like, the surface of the metal materials is often coated with coatings (such as paint) and subjected to surface treatment to achieve better outdoor durability. The paint used and sold in the market at present contains benzene, xylene and other harmful substances, and has certain toxicity.
The acrylic paint as a water-based paint is mainly prepared from acrylic resin, extender pigment, auxiliary agent, organic solvent and the like, has the characteristics of quick drying, good adhesive force, heat resistance, good weather resistance and the like, and has been widely used for surface treatment of metal materials such as steel, aluminum and the like, but the common single-component acrylic paint on the market often has certain defects such as lower hardness, poorer corrosion resistance and the like, and can not well meet the market demand.
Disclosure of Invention
Aiming at the problems, the invention discloses a corrosion-resistant water-based single-component acrylic paint and a preparation method thereof.
The specific technical scheme is as follows:
the corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following components in parts by mass:
the corrosion-resistant water-based single-component acrylic paint preferably comprises the following components in parts by weight:
the corrosion-resistant water-based single-component acrylic paint is characterized in that the film-forming assistant is any one or more of dodecyl alcohol ester, dipropylene glycol butyl ether and diethylene glycol butyl ether.
The corrosion-resistant water-based single-component acrylic paint is characterized in that the water-based color paste comprises deionized water, titanium dioxide, talcum powder, mica powder, barium sulfate, anti-rust pigment, carbon black, a defoaming agent and one or more water-based dispersing agents.
The corrosion-resistant water-based single-component acrylic paint is characterized in that the antirust pigment comprises modified aluminum tripolyphosphate and zinc phosphate.
The corrosion-resistant water-based single-component acrylic paint is characterized in that the water-based wetting agent comprises polyether modified siloxane.
The preparation method of the corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following steps of:
s1, taking water-based color paste, adding a water-based wetting agent, a water-based defoaming agent, a water-based thickening agent, a water-based anticorrosive agent, a water-based adhesion promoter, a water-based film-forming assistant and deionized water under a high-speed dispersion condition, and continuously dispersing for a period of time;
and S2, after the components are uniformly mixed, adding the water-based acrylic emulsion, dispersing for a period of time at a high speed again, adding the water-based polyurethane thickener, and obtaining the corrosion-resistant water-based single-component acrylic paint after the dispersion is finished.
The preparation method of the corrosion-resistant water-based single-component acrylic paint is characterized in that the dispersion rate of the step S1 is 500-1000R/min, and the dispersion time is controlled to be 20min; the dispersion rate of the step S2 is 200-500R/min, and the dispersion time is controlled to be 10min.
The water-based color paste is characterized by comprising the following preparation processes:
uniformly dispersing deionized water, a water-based dispersant and a water-based defoamer, simultaneously adding a plurality of or all of barium sulfate, mica, talcum powder, modified aluminum tripolyphosphate, an anti-rust pigment, carbon black and anti-settling powder, adding zirconium beads which are 2-2.5 times of the total mass of the components, grinding for 1.5-2h until the particle size of the water-based color paste is less than or equal to 20 microns, and obtaining a finished product.
The aqueous color paste has the advantages that during dispersion, the linear velocity of dispersion is controlled to be more than or equal to 15m/s; during grinding, the diameter of the selected zirconium beads is 1.2-1.5mm.
The invention has the beneficial effects that:
the invention discloses a corrosion-resistant water-based single-component acrylic paint which comprises the following components of water-based acrylic emulsion, water-based color paste, deionized water, a water-based wetting agent, a water-based defoaming agent, a film-forming assistant, a water-based anticorrosive agent, an adhesion promoter and a water-based polyurethane thickener.
Drawings
FIG. 1 is a process diagram of the preparation method of the present invention.
Detailed Description
In order to make the technical solution of the present invention clearer and clearer, the present invention is further described below with reference to embodiments, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.
Example one
The corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following components in parts by mass:
60 parts of water-based acrylic emulsion; 20 parts of water-based color paste; 10.6 parts of deionized water; 1.5 parts of a water-based wetting agent; 0.4 part of water-based defoaming agent; 3 parts of a film-forming assistant; 2 parts of a water-based anticorrosive agent; 2 parts of an adhesion promoter; 0.5 part of water-based polyurethane thickener.
The water-based wetting agent is polyether modified siloxane, the water-based defoaming agent is a water-based organic silicon defoaming agent, the film-forming assistant is dodecyl alcohol ester, and the adhesion promoter is special polyester resin;
the preparation method of the corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following steps of:
s1, taking 20 parts of water-based color paste, adding 1.5 parts of water-based wetting agent, 0.4 part of water-based defoaming agent, 0.5 part of water-based thickening agent, 2 parts of water-based anticorrosive agent, 2 parts of water-based adhesion promoter, 3 parts of water-based film-forming assistant and 10.6 parts of deionized water under the high-speed dispersion condition of 500-1000R/min, and continuously dispersing for 20min;
s2, after being uniformly mixed, adding 60 parts of water-based acrylic emulsion, dispersing at a high speed of 200-500R/min for 10min again, adding 0.5 part of water-based polyurethane thickener, and obtaining the corrosion-resistant water-based single-component acrylic paint after the dispersion is finished;
in order to avoid the particles of the prepared corrosion-resistant water-based single-component acrylic paint, the step S2 is carried out on the premise that the final product of the step S1 is completely and uniformly mixed, otherwise, the dispersion time of the step S1 needs to be properly prolonged.
Example two
The corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following components in parts by mass:
60 parts of water-based acrylic emulsion; 20 parts of water-based color paste; 10.6 parts of deionized water and 1.5 parts of water-based wetting agent; 0.4 part of water-based defoaming agent and 1.5 parts of film-forming assistant (A); 1.5 parts of a film-forming assistant (B); 2 parts of a water-based anticorrosive agent; 2 parts of an adhesion promoter; 0.5 part of water-based polyurethane thickener;
the water-based wetting agent is polyether modified siloxane, the water-based defoaming agent is water-based organic silicon, the film-forming additive (A) is dodecyl alcohol ester, the film-forming additive (B) is diethylene glycol monobutyl ether, and the adhesion promoter is special polyester resin;
the preparation method of the corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following steps of:
s1, taking 20 parts of aqueous color paste, adding 1.5 parts of aqueous wetting agent, 0.4 part of aqueous defoaming agent, 0.5 part of aqueous thickening agent, 2 parts of aqueous anticorrosive agent, 2 parts of aqueous adhesion promoter, 1.5 parts of aqueous film-forming assistant (A), 1.5 parts of aqueous film-forming assistant (B) and 10.6 parts of deionized water under the high-speed dispersion condition of 500-1000R/min, and continuously dispersing for 20min;
s2, after being uniformly mixed, adding 60 parts of water-based acrylic emulsion, dispersing at a high speed of 200-500R/min for 10min again, adding 0.5 part of water-based polyurethane thickener, and obtaining the corrosion-resistant water-based single-component acrylic paint after the dispersion is finished;
in order to avoid the particles of the prepared corrosion-resistant water-based single-component acrylic paint, the step S2 is carried out on the premise that the final product of the step S1 is completely and uniformly mixed, otherwise, the dispersion time of the step S1 needs to be properly prolonged.
EXAMPLE III
The aqueous color paste of the embodiment is applied to the preparation of the corrosion-resistant aqueous single-component acrylic paint of the embodiment I, and the preparation process comprises the following steps:
taking 50 parts of deionized water, 6 parts of water-based dispersant and 0.8 part of water-based defoamer, uniformly dispersing, simultaneously adding 10 parts of barium sulfate, 10 parts of mica, 10 parts of talcum powder, 10 parts of modified aluminum tripolyphosphate, 1.7 parts of carbon black and 1.5 parts of anti-settling powder, adding zirconium beads which are 2-2.5 times of the total mass of the components, grinding for 1.5-2 hours until the particle size of the water-based color paste is less than or equal to 20 mu m, and obtaining a finished product;
wherein, during dispersion, the linear velocity of dispersion is controlled to be more than or equal to 15m/s; when grinding, the diameter of the selected zirconium beads is 1.2-1.5mm.
The aqueous color paste of the embodiment is used for preparing the corrosion-resistant aqueous single-component acrylic paint of the first embodiment, and the performance detection results of the prepared corrosion-resistant aqueous single-component acrylic paint are shown in table 2 after performance detection (according to the standard in table 1):
| detecting items | Detection method |
| Hardness of | GB/T6739 |
| Adhesion force | GB/T1720 |
| Impact strength | GB/T1732 |
| Salt fog resistance | GB/T1771 |
| Water resistance | GB/T1733 (Jia Fa) |
TABLE 1 test standards
Table 2 based on the detection criteria in table 1, the performance test results of the corrosion-resistant waterborne one-component acrylic paint (example one)
Based on the detection results, the corrosion-resistant aqueous single-component acrylic paint prepared based on the embodiment and the embodiment I has excellent hardness performance and outstanding corrosion resistance, does not contain harmful substances such as benzene, xylene and the like, and is green and environment-friendly.
Example four
The aqueous color paste of the embodiment is applied to the preparation of the corrosion-resistant aqueous single-component acrylic paint of the embodiment II, and the preparation process comprises the following steps:
uniformly dispersing 40 parts of deionized water, 6 parts of water-based dispersant and 0.8 part of water-based defoamer, simultaneously adding 10 parts of barium sulfate, 10 parts of mica, 10 parts of talcum powder, 10 parts of modified aluminum tripolyphosphate, 10 parts of zinc phosphate, 1.7 parts of carbon black and 1.5 parts of anti-settling powder, adding zirconium beads which are 2-2.5 times of the total mass of the components, grinding for 1.5-2 hours until the particle size of the water-based color paste is less than or equal to 20 mu m, and obtaining a finished product;
wherein, during dispersion, the linear velocity of dispersion is controlled to be more than or equal to 15m/s; when grinding, the diameter of the selected zirconium beads is 1.2-1.5mm.
The aqueous color paste of the embodiment is used for preparing the corrosion-resistant aqueous single-component acrylic paint of the embodiment II, and the performance detection results of the prepared corrosion-resistant aqueous single-component acrylic paint are shown in Table 3 after performance detection (according to the standard in Table 1):
table 3 Performance test results for corrosion resistant waterborne one-component acrylic paint (example two) based on the test criteria of Table 1
Based on the detection results, the corrosion-resistant aqueous single-component acrylic paint prepared based on the embodiment and the embodiment II has excellent hardness performance and outstanding corrosion resistance, does not contain harmful substances such as benzene and xylene, and is environment-friendly.
While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (10)
1. The corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following components in parts by mass:
2. the corrosion-resistant water-based single-component acrylic paint as claimed in claim 1, which comprises the following components in parts by weight:
3. the corrosion-resistant aqueous one-component acrylic paint according to claim 1 or 2, wherein the film forming aid is any one or more of dodecyl alcohol ester, dipropylene glycol butyl ether, and diethylene glycol butyl ether.
4. The corrosion-resistant aqueous one-component acrylic paint according to claim 3, wherein the aqueous color paste comprises deionized water, titanium dioxide, talcum powder, mica powder, barium sulfate, anti-rust pigment, carbon black, defoaming agent and one or more aqueous dispersing agents.
5. The corrosion-resistant aqueous one-component acrylic paint according to claim 4, wherein the rust-preventive pigment comprises modified aluminum tripolyphosphate and zinc phosphate.
6. The corrosion-resistant aqueous one-component acrylic paint of claim 5, wherein the aqueous wetting agent comprises a polyether-modified siloxane.
7. The preparation method of the corrosion-resistant water-based single-component acrylic paint is characterized by comprising the following steps:
s1, taking water-based color paste, adding a water-based wetting agent, a water-based defoaming agent, a water-based thickening agent, a water-based anticorrosive agent, a water-based adhesion promoter, a water-based film-forming assistant and deionized water under a high-speed dispersion condition, and continuously dispersing for a period of time;
and S2, after the components are uniformly mixed, adding the water-based acrylic emulsion, dispersing for a period of time at a high speed again, adding the water-based polyurethane thickener, and obtaining the corrosion-resistant water-based single-component acrylic paint after the dispersion is finished.
8. The preparation method of the corrosion-resistant water-based single-component acrylic paint as claimed in claim 7, wherein the dispersion rate of the step S1 is 500-1000R/min, and the dispersion time is controlled to be 20min; the dispersion rate of the step S2 is 200-500R/min, and the dispersion time is controlled to be 10min.
9. The water-based color paste is characterized by comprising the following preparation processes:
uniformly dispersing deionized water, a water-based dispersant and a water-based defoamer, simultaneously adding a plurality of or all of barium sulfate, mica, talcum powder, modified aluminum tripolyphosphate, an anti-rust pigment, carbon black and anti-settling powder, adding zirconium beads which are 2-2.5 times of the total mass of the components, grinding for 1.5-2h until the particle size of the water-based color paste is less than or equal to 20 microns, and obtaining a finished product.
10. The aqueous color paste according to claim 9, wherein the linear velocity of dispersion is controlled to be more than or equal to 15m/s during dispersion; when grinding, the diameter of the selected zirconium beads is 1.2-1.5mm.
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| CN109207002A (en) * | 2018-07-19 | 2019-01-15 | 上海福岛新材料科技有限公司 | A kind of single-component water-based paint of environment-friendly waterproof anti-corrosion |
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| CN109207002A (en) * | 2018-07-19 | 2019-01-15 | 上海福岛新材料科技有限公司 | A kind of single-component water-based paint of environment-friendly waterproof anti-corrosion |
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