CN112175464A - Fast-curing environment-friendly water-based paint and preparation method thereof - Google Patents
Fast-curing environment-friendly water-based paint and preparation method thereof Download PDFInfo
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- CN112175464A CN112175464A CN202011057822.5A CN202011057822A CN112175464A CN 112175464 A CN112175464 A CN 112175464A CN 202011057822 A CN202011057822 A CN 202011057822A CN 112175464 A CN112175464 A CN 112175464A
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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
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a fast-curing environment-friendly water-based paint which comprises the following components in parts by weight: 3.50-3.81 parts of alcohol ether solvent, 35.12-38.64 parts of deionized water, 0.32-0.34 part of amine neutralizer, 37.62-38.85 parts of acrylic emulsion, 8.50-8.71 parts of water-diluted acrylic resin, 0.05-0.065 part of water-based blocked sulfonic acid, 0.20-0.23 part of water-based organic bismuth catalyst, 2.00-2.21 parts of epoxy phosphate, 5.00-5.23 parts of water-based blocked isocyanate, 3.01-3.22 parts of water-based phenylamine resin, 0.38-0.41 part of alkynol flatting agent, 0.30-0.33 part of organosilicon defoamer and 0.40-0.43 part of fluorine-containing organosilicon wetting agent. The invention also discloses a preparation method of the fast curing environment-friendly water-based paint. The fast curing environment-friendly water-based paint disclosed by the invention is good in comprehensive performance, good in chemical stability and wear resistance and fast in curing speed.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a fast-curing environment-friendly water-based coating and a preparation method thereof.
Background
With the gradual improvement of living standard of people, more and more people begin to pursue high-quality life, and the coating is used as a common decoration material and is often covered on the surface of a coating to form a coating film, so that the visual aesthetic feeling is improved, and the coating is protected from being corroded by the external environment. Since many coatings are used on food and beverage cans, they are subject to more stringent requirements, especially with regard to their safety of use and environmental concerns.
The easy-open end scratch repair paint is a common paint, and solvent paint is mostly adopted, volatile organic solvents are used in the preparation and use processes of the paint, and therefore, the use of a large amount of the organic solvents can increase the cost of the paint, and more importantly, the volatilization of the organic solvents can cause environmental pollution. It is in this situation that aqueous paints have come into play, and aqueous paints are paints which use water as a solvent or a dispersion medium, resin as a dispersion phase and water as a continuous phase. The water-based paint has the advantages of low cost, safe and environment-friendly use, wide application range, easy cleaning of coating tools, uniform and flat film, and the like, can be constructed in a humid environment or on a humid surface, and can reduce the use of a cleaning agent. However, the use of a large amount of diluent water in the water-based paint on the market requires further improvement in chemical resistance such as alkali resistance, ethanol resistance and water resistance.
Therefore, the development of the environment-friendly water-based paint which has good comprehensive performance, good chemical stability and wear resistance, is fast cured, meets the market demand, has wide market value and application prospect, and has very important significance for promoting the development of the water-based paint industry.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a fast curing environment-friendly water-based paint and a preparation method thereof, wherein the preparation method is simple and easy to implement, convenient to operate and control, low in preparation cost, high in preparation efficiency and higher in popularization and application value; the fast-curing environment-friendly water-based paint prepared by the preparation method has the advantages of good comprehensive performance, good chemical stability and wear resistance and fast curing speed.
In order to achieve the purpose, the invention adopts the technical scheme that: the fast-curing environment-friendly water-based paint is characterized by comprising the following components in parts by weight: 3.50-3.81 parts of alcohol ether solvent, 35.12-38.64 parts of deionized water, 0.32-0.34 part of amine neutralizer, 37.62-38.85 parts of acrylic emulsion, 8.50-8.71 parts of water-diluted acrylic resin, 0.05-0.065 part of water-based blocked sulfonic acid, 0.20-0.23 part of water-based organic bismuth catalyst, 2.00-2.21 parts of epoxy phosphate, 5.00-5.23 parts of water-based blocked isocyanate, 3.01-3.22 parts of water-based phenylamine resin, 0.38-0.41 part of alkynol flatting agent, 0.30-0.33 part of organosilicon defoamer and 0.40-0.43 part of fluorine-containing organosilicon wetting agent.
Preferably, the fast-curing environment-friendly water-based coating comprises the following components in parts by weight: 3.65 parts of alcohol ether solvent, 36.86 parts of deionized water, 0.33 part of amine neutralizer, 38.13 parts of acrylic emulsion, 8.62 parts of water-diluted acrylic resin, 0.35 part of water-based blocked sulfonic acid, 0.22 part of water-based organic bismuth catalyst, 2.12 parts of epoxy phosphate, 5.13 parts of water-based blocked isocyanate, 3.12 parts of water-based phenylated amino resin, 0.39 part of alkynol leveling agent, 0.32 part of organic silicon defoamer and 0.41 part of fluorine-containing organic silicon wetting agent.
Preferably, the alcohol ether solvent is at least one of propylene glycol methyl ether, ethylene glycol butyl ether and propylene glycol ethyl ether.
Preferably, the amine neutralizer is at least one of triethylamine, N-dimethylethanolamine and 3, 6-diaminocarbazole.
Preferably, the fast-curing environment-friendly water-based paint further comprises: 0.5 to 1.5 portions of epoxy end group hyperbranched poly (amine-ester).
Preferably, the preparation method of the epoxy-terminated hyperbranched poly (amine-ester) is the prior art, which is referred to as chinese patent application No. 200910067539.9, example 6.
The invention also aims to provide a preparation method of the fast-curing environment-friendly water-based paint, which comprises the following steps: firstly, mixing an alcohol ether solvent, deionized water, an amine neutralizer, an acrylic emulsion and water-diluted acrylic resin, stirring for 30-50 minutes at the rotating speed of 1000-1500r/min, then adding water-based closed sulfonic acid, a water-based organic bismuth catalyst, epoxy phosphate, water-based closed isocyanate, water-based phenylamine resin, an alkynol leveling agent, an organic silicon defoamer and a fluorine-containing organic silicon wetting agent, stirring for 20-30 minutes at the rotating speed of 800-1200r/min, crushing until the fineness is less than or equal to 15 mu m, and standing for 1-2 hours to obtain the fast-curing environment-friendly water-based coating.
The invention further aims to provide application of the quick-curing environment-friendly water-based paint in repairing of easy-open end scribes.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a fast curing environment-friendly water-based paint and a preparation method thereof, and the preparation method is simple and easy to implement, convenient to operate and control, low in preparation cost, high in preparation efficiency and high in popularization and application value; the fast-curing environment-friendly water-based paint prepared by the preparation method has the advantages of good comprehensive performance, good chemical stability and wear resistance and fast curing speed.
Detailed Description
The following detailed description of preferred embodiments of the invention will be made.
The fast-curing environment-friendly water-based paint is characterized by comprising the following components in parts by weight: 3.50-3.81 parts of alcohol ether solvent, 35.12-38.64 parts of deionized water, 0.32-0.34 part of amine neutralizer, 37.62-38.85 parts of acrylic emulsion, 8.50-8.71 parts of water-diluted acrylic resin, 0.05-0.065 part of water-based blocked sulfonic acid, 0.20-0.23 part of water-based organic bismuth catalyst, 2.00-2.21 parts of epoxy phosphate, 5.00-5.23 parts of water-based blocked isocyanate, 3.01-3.22 parts of water-based phenylamine resin, 0.38-0.41 part of alkynol flatting agent, 0.30-0.33 part of organosilicon defoamer and 0.40-0.43 part of fluorine-containing organosilicon wetting agent.
Preferably, the fast-curing environment-friendly water-based coating comprises the following components in parts by weight: 3.65 parts of alcohol ether solvent, 36.86 parts of deionized water, 0.33 part of amine neutralizer, 38.13 parts of acrylic emulsion, 8.62 parts of water-diluted acrylic resin, 0.35 part of water-based blocked sulfonic acid, 0.22 part of water-based organic bismuth catalyst, 2.12 parts of epoxy phosphate, 5.13 parts of water-based blocked isocyanate, 3.12 parts of water-based phenylated amino resin, 0.39 part of alkynol leveling agent, 0.32 part of organic silicon defoamer and 0.41 part of fluorine-containing organic silicon wetting agent.
Preferably, the alcohol ether solvent is at least one of propylene glycol methyl ether, ethylene glycol butyl ether and propylene glycol ethyl ether.
Preferably, the amine neutralizer is at least one of triethylamine, N-dimethylethanolamine and 3, 6-diaminocarbazole.
Preferably, the fast-curing environment-friendly water-based paint further comprises: 0.5 to 1.5 portions of epoxy end group hyperbranched poly (amine-ester).
Preferably, the preparation method of the epoxy-terminated hyperbranched poly (amine-ester) is the prior art, which is referred to as chinese patent application No. 200910067539.9, example 6.
The invention also aims to provide a preparation method of the fast-curing environment-friendly water-based paint, which comprises the following steps: firstly, mixing an alcohol ether solvent, deionized water, an amine neutralizer, an acrylic emulsion and water-diluted acrylic resin, stirring for 30-50 minutes at the rotating speed of 1000-1500r/min, then adding water-based closed sulfonic acid, a water-based organic bismuth catalyst, epoxy phosphate, water-based closed isocyanate, water-based phenylamine resin, an alkynol leveling agent, an organic silicon defoamer and a fluorine-containing organic silicon wetting agent, stirring for 20-30 minutes at the rotating speed of 800-1200r/min, crushing until the fineness is less than or equal to 15 mu m, and standing for 1-2 hours to obtain the fast-curing environment-friendly water-based coating.
The invention further aims to provide application of the quick-curing environment-friendly water-based paint in repairing of easy-open end scribes.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a fast curing environment-friendly water-based paint and a preparation method thereof, and the preparation method is simple and easy to implement, convenient to operate and control, low in preparation cost, high in preparation efficiency and high in popularization and application value; the fast-curing environment-friendly water-based paint prepared by the preparation method has the advantages of good comprehensive performance, good chemical stability and wear resistance and fast curing speed.
The invention will be further described with reference to specific examples, but the scope of protection of the invention is not limited thereto:
example 1
Embodiment 1 provides a fast-curing environment-friendly water-based paint, which is characterized by comprising the following components in parts by weight: 3.50 parts of alcohol ether solvent, 35.12 parts of deionized water, 0.32 part of amine neutralizer, 37.62 parts of acrylic emulsion, 8.50 parts of water-diluted acrylic resin, 0.05 part of water-based blocked sulfonic acid, 0.20 part of water-based organic bismuth catalyst, 2.00 parts of epoxy phosphate, 5.00 parts of water-based blocked isocyanate, 3.01 parts of water-based phenylated amino resin, 0.38 part of alkynol leveling agent, 0.30 part of organic silicon defoamer and 0.40 part of fluorine-containing organic silicon wetting agent.
The alcohol ether solvent is propylene glycol methyl ether; the amine neutralizer is triethylamine.
The fast-curing environment-friendly water-based paint further comprises: 0.5 part of epoxy end group hyperbranched poly (amine-ester).
The preparation method of the fast curing environment-friendly water-based paint comprises the following steps: firstly, mixing an alcohol ether solvent, deionized water, an amine neutralizer, an acrylic emulsion and water-diluted acrylic resin, stirring for 30 minutes at the rotating speed of 1000r/min, then adding water-based blocked sulfonic acid, a water-based organic bismuth catalyst, epoxy phosphate, water-based blocked isocyanate, water-based phenylamine resin, an alkynol leveling agent, an organic silicon defoaming agent and a fluorine-containing organic silicon wetting agent, stirring for 20 minutes at the rotating speed of 800r/min, crushing until the fineness is less than or equal to 15 mu m, and standing for 1 hour to obtain the fast-curing environment-friendly water-based coating.
An application of the fast curing environment-friendly water-based paint in repairing of an easy-open end reticle.
Example 2
Embodiment 2 provides a fast-curing environment-friendly water-based paint, which is characterized by comprising the following components in parts by weight: 3.61 parts of alcohol ether solvent, 36.23 parts of deionized water, 0.33 part of amine neutralizer, 37.95 parts of acrylic emulsion, 8.61 parts of water-diluted acrylic resin, 0.06 part of water-based blocked sulfonic acid, 0.22 part of water-based organic bismuth catalyst, 2.12 parts of epoxy phosphate, 5.14 parts of water-based blocked isocyanate, 3.13 parts of water-based phenylated amino resin, 0.39 part of alkynol leveling agent, 0.31 part of organosilicon defoamer and 0.41 part of fluorine-containing organosilicon wetting agent.
Example 3
Embodiment 3 provides a fast-curing environment-friendly water-based coating, which is characterized by comprising the following components in parts by weight: 3.65 parts of alcohol ether solvent, 36.86 parts of deionized water, 0.33 part of amine neutralizer, 38.13 parts of acrylic emulsion, 8.62 parts of water-diluted acrylic resin, 0.35 part of water-based blocked sulfonic acid, 0.22 part of water-based organic bismuth catalyst, 2.12 parts of epoxy phosphate, 5.13 parts of water-based blocked isocyanate, 3.12 parts of water-based phenylated amino resin, 0.39 part of alkynol leveling agent, 0.32 part of organic silicon defoamer and 0.41 part of fluorine-containing organic silicon wetting agent.
Example 4
Embodiment 4 provides a fast-curing environment-friendly water-based paint, which is characterized by comprising the following components in parts by weight: 3.78 parts of alcohol ether solvent, 37.94 parts of deionized water, 0.34 part of amine neutralizer, 38.67 parts of acrylic emulsion, 8.65 parts of water-diluted acrylic resin, 0.06 part of water-based blocked sulfonic acid, 0.22 part of water-based organic bismuth catalyst, 2.18 parts of epoxy phosphate, 5.17 parts of water-based blocked isocyanate, 3.17 parts of water-based phenylated amino resin, 0.40 part of alkynol leveling agent, 0.32 part of organic silicon defoamer and 0.42 part of fluorine-containing organic silicon wetting agent.
Example 5
Embodiment 5 provides a fast-curing environment-friendly water-based paint, which is characterized by comprising the following components in parts by weight: 3.81 parts of alcohol ether solvent, 38.64 parts of deionized water, 0.34 part of amine neutralizer, 38.85 parts of acrylic emulsion, 8.71 parts of water-diluted acrylic resin, 0.065 part of water-based blocked sulfonic acid, 0.23 part of water-based organic bismuth catalyst, 2.21 parts of epoxy phosphate, 5.23 parts of water-based blocked isocyanate, 3.22 parts of water-based phenylated amino resin, 0.41 part of alkynol leveling agent, 0.33 part of organic silicon defoamer and 0.43 part of fluorine-containing organic silicon wetting agent.
Comparative example 1
Comparative example 1 provides a fast-curing eco-friendly water-based paint whose formulation and preparation method are substantially the same as those of example 1 except that no acrylic emulsion is added.
Comparative example 2
Comparative example 2 provides a fast-curing eco-friendly water-based paint whose formulation and preparation method are substantially the same as those of example 1, except that no water-based phenylamino resin is added.
Comparative example 3
Comparative example 3 provides a fast-curing eco-friendly water-based paint, which has substantially the same formulation and preparation method as example 1, except that no aqueous organobismuth catalyst is added.
In order to further illustrate the beneficial technical effects of the fast curing environment-friendly water-based paint related to the embodiment of the invention, the performance test, the test method and the test result of each fast curing environment-friendly water-based paint of the embodiment and the comparative example are shown in table 1.
TABLE 1 sample Properties of examples and comparative examples (forced drying time: 135 ℃ C. for 4 minutes)
As can be seen from the above table, the fast-curing environment-friendly water-based paint disclosed by the embodiment of the invention has higher hardness and adhesion and shorter drying time, which is the result of the synergistic effect of the components.
The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (7)
1. The fast-curing environment-friendly water-based paint is characterized by comprising the following components in parts by weight: 3.50-3.81 parts of alcohol ether solvent, 35.12-38.64 parts of deionized water, 0.32-0.34 part of amine neutralizer, 37.62-38.85 parts of acrylic emulsion, 8.50-8.71 parts of water-diluted acrylic resin, 0.05-0.065 part of water-based blocked sulfonic acid, 0.20-0.23 part of water-based organic bismuth catalyst, 2.00-2.21 parts of epoxy phosphate, 5.00-5.23 parts of water-based blocked isocyanate, 3.01-3.22 parts of water-based phenylamine resin, 0.38-0.41 part of alkynol flatting agent, 0.30-0.33 part of organosilicon defoamer and 0.40-0.43 part of fluorine-containing organosilicon wetting agent.
2. The fast-curing environment-friendly water-based paint as claimed in claim 1, which is characterized by comprising the following components in parts by weight: 3.65 parts of alcohol ether solvent, 36.86 parts of deionized water, 0.33 part of amine neutralizer, 38.13 parts of acrylic emulsion, 8.62 parts of water-diluted acrylic resin, 0.35 part of water-based blocked sulfonic acid, 0.22 part of water-based organic bismuth catalyst, 2.12 parts of epoxy phosphate, 5.13 parts of water-based blocked isocyanate, 3.12 parts of water-based phenylated amino resin, 0.39 part of alkynol leveling agent, 0.32 part of organic silicon defoamer and 0.41 part of fluorine-containing organic silicon wetting agent.
3. The fast-curing environment-friendly water-based paint according to claim 1, wherein the alcohol ether solvent is at least one of propylene glycol methyl ether, ethylene glycol butyl ether and propylene glycol ethyl ether.
4. The fast-curing environment-friendly water-based paint as claimed in claim 1, wherein the amine neutralizer is at least one of triethylamine, N-dimethylethanolamine and 3, 6-diaminocarbazole.
5. The fast-curing eco-friendly aqueous coating according to claim 1, further comprising: 0.5 to 1.5 portions of epoxy end group hyperbranched poly (amine-ester).
6. The fast-curing environment-friendly water-based paint according to any one of claims 1-5, wherein the preparation method of the fast-curing environment-friendly water-based paint comprises the following steps: firstly, mixing an alcohol ether solvent, deionized water, an amine neutralizer, an acrylic emulsion and water-diluted acrylic resin, stirring for 30-50 minutes at the rotating speed of 1000-1500r/min, then adding water-based closed sulfonic acid, a water-based organic bismuth catalyst, epoxy phosphate, water-based closed isocyanate, water-based phenylamine resin, an alkynol leveling agent, an organic silicon defoamer and a fluorine-containing organic silicon wetting agent, stirring for 20-30 minutes at the rotating speed of 800-1200r/min, dispersing until the fineness is less than or equal to 15 mu m, and standing for 1-2 hours to obtain the fast-curing environment-friendly water-based coating.
7. Use of the fast-curing environmentally friendly water based paint of claim 6 for easy-open end score repair.
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Application publication date: 20210105 |