CA3024231A1 - Aqueous nano-imitation porcelain coating and preparation method thereof - Google Patents
Aqueous nano-imitation porcelain coating and preparation method thereof Download PDFInfo
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- CA3024231A1 CA3024231A1 CA3024231A CA3024231A CA3024231A1 CA 3024231 A1 CA3024231 A1 CA 3024231A1 CA 3024231 A CA3024231 A CA 3024231A CA 3024231 A CA3024231 A CA 3024231A CA 3024231 A1 CA3024231 A1 CA 3024231A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
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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 discloses an aqueous nano-imitation porcelain coating and a preparation method thereof, wherein the preparation raw material is composed of the following components by weight:
0.1-20% resin, 5-30% nano silica sol, 10-20% alcohol Ether solvent, 10-30%
auxiliary, 40-70%
deionized water. Step 1, first preparing a nano silica sol; Step 2, then, mixing and stirring the raw materials at a rate of 500 r/min at a normal temperature at a normal temperature; Step 3, and then adding the ratio The nano silica sol is stirred. The invention has strong adhesion ability, long service life, no problem of color drop and fading, and has excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning, high hardness and wear resistance, and the paint is non-toxic. It is harmless, non-polluting, non-radioactive and highly resistant to pollution. It can be widely used in construction and other industries.
0.1-20% resin, 5-30% nano silica sol, 10-20% alcohol Ether solvent, 10-30%
auxiliary, 40-70%
deionized water. Step 1, first preparing a nano silica sol; Step 2, then, mixing and stirring the raw materials at a rate of 500 r/min at a normal temperature at a normal temperature; Step 3, and then adding the ratio The nano silica sol is stirred. The invention has strong adhesion ability, long service life, no problem of color drop and fading, and has excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning, high hardness and wear resistance, and the paint is non-toxic. It is harmless, non-polluting, non-radioactive and highly resistant to pollution. It can be widely used in construction and other industries.
Description
Aqueous nano-imitation porcelain coating and preparation method thereof Technical field The invention relates to the technical field of coatings, in particular to an aqueous nano -imitation porcelain coating and a preparation method thereof.
Background technique Imitation porcelain coatings can be applied in a wide range of applications, such as cement surface, metal surface, plastic surface, wood and other solid surfaces for painting and spraying. It can be used for interior walls of public buildings, interior walls of houses, kitchens, bathrooms and bathrooms. Anti-corrosion for exterior decoration of electrical appliances, machinery and furniture.
The melamine coatings include water-based melamine coatings and solvent-based enamel coatings. Solvent-based architectural coatings are toxic solvents due to their curing process, which are not environmentally friendly and are limited in coatings. The aging resistance and adhesion of washed enamel coatings There are always more problems in the properties of smooth coating, stain resistance, abrasion resistance, acid and alkali resistance, water resistance, etc., which limits their widespread use.
Summary of the invention In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide an aqueous nano-imitation ceramic coating and a preparation method thereof, by adding a nano-silica filler and dispersing in a nanometer size in a coating mixing system, The silica nanoparticles show that some large particles do not have special properties, and have excellent water resistance, alkali resistance, wear resistance, aging resistance, and strong adhesion.
In order to achieve the above object, the present invention provides an aqueous nano-imitation ceramic coating, the raw material of which is composed of the following components by weight:
0.1-20% resin, 5-30% nano silica sol, 10-20% Alcohol ether solvent, 10-30%
auxiliary, 40-70%
¨1¨
deionized water.
In the above aqueous nano-enamel coating, the resin is an acrylic polymer resin.
The above-mentioned aqueous nano-imitation ceramic coating: the nano silica sol is a self-made in-situ synthesized silica sol.
In the above aqueous nano-enamel coating, the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol diethyl ether, ethylene glycol phenyl ether, ethylene glycol. One or more of butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate In the above aqueous nano-enamel coating, the auxiliary agent includes any one of a dispersing agent, a film forming auxiliary agent and an antifoaming agent.
In the above aqueous nano-imitation paint, the dispersant model is any one of BYK2090, BYK2091, and BYK2096.
In the above aqueous nano-enamel coating, the antifoaming agent is any one of glycerol, propylene glycol, terpineol, and isopropanol.
In the above aqueous nano-enamel coating, the film-forming auxiliary agent is alcohol ester-12.
A method for preparing a waterborne nano-imitation ceramic coating comprises the following steps:
Step 1. First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ether, isopropanol, deionized water, hydrochloric acid in a molar ratio TEOS:
ethanol: ethylene glycol ether:
isopropanol: H2O: hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10-4 ratio to prepare a mixed solution;
Step 2, then, at a normal temperature, the ratio of the resin, the alcohol ether solvent, the auxiliary agent, and the deionized water are stirred at a rate of 500 r/min with a high speed dispersing machine for 10 min;
Step 3. Then, the proportioned nano silica sol is added and stirred for 1-3 h.
The preparation method of the above aqueous nano-imitation ceramic coating, after the step 1 is formulated into a mixed solution: 0.11M ammonia water, which is included in the total weight of the mixed solution, is stirred at 60 C for 1 hour, and then stored at room temperature; or stirred at 60 C
for 1 hour. After storage at room temperature; or at 60 C for 1 h, then add 0.1% of aqueous ammonia ¨2¨
solution of 0.1% by weight of the mixed solution, and continue to stir at 60 C for 1 hand then store at room temperature.
The beneficial effects of the invention are:
The water-based nano-imitation porcelain coating prepared by the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high hardness. It is wear-resistant and the coating is non-toxic, harmless, non-polluting, non-radioactive and highly resistant to pollution. It can be widely used in construction and other industries.
Detailed descriptions The invention provides an aqueous nano-imitation porcelain coating, comprising a resin, a hydrophilic nano silica, an alcohol ether solvent, an auxiliary agent, and deionized water. In the aqueous nano-enamel coating of the present invention, the content of each component is preferably:
0.1-20% resin; 5-30% nano silica sol, 10-20% alcohol ether solvent, 10-30%
help Agent, and 40-70%
deionized water.
Among them, the resin is an acrylic polymer resin; the nano silica is a self-made silica sol synthesized in situ, and the preparation method thereof is described below;
the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, and diethyl ether.
One or more of glycol ether, diethylene glycol ether, ethylene glycol phenyl ether, ethylene glycol butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate; Dispersing agent, film forming aid, antifoaming agent, etc., wherein the dispersing agent is BYK2090, BYK2091 or BYK2096, such dispersing agent has better dispersing effect on pigments and nanoparticles;
defoaming agent is glycerin, propylene glycol, Terpineol, isopropanol, etc.;
the film-forming aid is alcohol ester-12 (2, 2, 4-trimethy1-1,3 pentanediol monoisobutyric acid value) and the like.
Embodiment 1 of the present invention:
First, a nanosilica sol was prepared: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water in a molar ratio of TEOS: ethanol: ethylene glycol ether: isopropanol:
H20 = 1: A ratio of 1.25:1.6:0.98:1.5 was mixed to prepare a mixed solution, and 0.11 M of ammonia ¨3¨
water, which was included in the total weight of the above system, was stirred at 60 C for 1 hour, and then stored at room temperature.
Then, 150 g of an acrylic resin, 45 g of propylene glycol methyl ether acetate, 200 g of water and 20 g of a dispersing agent (BYK 2090), and 30 g of an antifoaming agent (glycerol) at a rate of 500 r/min at a normal temperature were used. ) Stirring for 10 min.
Then, 120 g of the prepared nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour to obtain a finished product.
Embodiment 2 of the present invention:
First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid in a molar ratio of TEOS:
ethanol: ethylene glycol ether: isopropanol: H ( TF49)0: Hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10 -4. The mixed solution was prepared and stirred at 60 C for 1 hour and then stored at room temperature.
Then, 180 g of an acrylic resin, 60 g of ethylene glycol phenyl ether, 280 g of deionized water and 10 g of a dispersing agent (BYK 2096) and 10 g of a film-forming auxiliary agent at a rate of 500 r/min at a normal temperature were used. The alcohol ester-12) was stirred for 10 min.
Then, 150 g of the above nano silica sol was added and stirred at 2000 r/min for 1 hour; finally, 20 g of an antifoaming agent (terpineol) was added and stirred at 2500 r/min for 2 hours to obtain a finished product.
Embodiment 3 of the present invention:
Firstly, nano silica sol is prepared: using acid-base two-step catalysis method, ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid, in molar ratio TEOS: ethanol: ethylene glycol Ether: isopropanol: H 2 0 hydrochloric acid =
1: 1.25: 1.6: 0.98: 1.5:
7.3 * 10 -4 ratio to prepare a mixed solution, stirred at 60 C for 1 h, then added the above solution weight 0.1% of 0.11 M aqueous ammonia was further stirred at 60 C for 1 hour and then stored at room temperature.
Then, 200 g of an acrylic resin, 300 g of deionized water, and 20 g of a dispersing agent (BYK
2091) and 20 g of an antifoaming agent (propylene glycol) were stirred at a rate of 500 r/min at a normal temperature for 10 minutes. .
¨4¨
Then, 280 g of nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour;
finally, it was stirred at 2500 r/min for 2 hours to obtain a finished product.
The prepared aqueous nano-imitation porcelain coating of the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high Hard and wear-resistant, and the coating is non-toxic, harmless, non-polluting, non-radioactive, and highly resistant to pollution, and can be widely used in construction and other industries.
The preferred embodiments of the present invention have been described in detail above. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art based on the prior art based on the prior art by logic analysis, reasoning or limited experimentation should be within the scope of protection determined by the claims.
¨5¨
Aqueous nano-imitation porcelain coating and preparation method thereof Technical field The invention relates to the technical field of coatings, in particular to an aqueous nano -imitation porcelain coating and a preparation method thereof.
Background technique Imitation porcelain coatings can be applied in a wide range of applications, such as cement surface, metal surface, plastic surface, wood and other solid surfaces for painting and spraying. It can be used for interior walls of public buildings, interior walls of houses, kitchens, bathrooms and bathrooms. Anti-corrosion for exterior decoration of electrical appliances, machinery and furniture.
The melamine coatings include water-based melamine coatings and solvent-based enamel coatings. Solvent-based architectural coatings are toxic solvents due to their curing process, which are not environmentally friendly and are limited in coatings. The aging resistance and adhesion of washed enamel coatings There are always more problems in the properties of smooth coating, stain resistance, abrasion resistance, acid and alkali resistance, water resistance, etc., which limits their widespread use.
Summary of the invention In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide an aqueous nano-imitation ceramic coating and a preparation method thereof, by adding a nano-silica filler and dispersing in a nanometer size in a coating mixing system, The silica nanoparticles show that some large particles do not have special properties, and have excellent water resistance, alkali resistance, wear resistance, aging resistance, and strong adhesion.
In order to achieve the above object, the present invention provides an aqueous nano -imitation ceramic coating, the raw material of which is composed of the following components by weight:
0.1-20% resin, 5-30% nano silica sol, 10-20% Alcohol ether solvent, 10-30%
auxiliary, 40-70%
¨1¨
deionized water.
In the above aqueous nano-enamel coating, the resin is an acrylic polymer resin.
The above-mentioned aqueous nano-imitation ceramic coating: the nano silica sol is a self-made in-situ synthesized silica sol.
In the above aqueous nano-enamel coating, the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol diethyl ether, ethylene glycol phenyl ether, ethylene glycol. One or more of butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate In the above aqueous nano-enamel coating, the auxiliary agent includes any one of a dispersing agent, a film forming auxiliary agent and an antifoaming agent.
In the above aqueous nano-imitation paint, the dispersant model is any one of BYK2090, BYK2091, and BYK2096.
In the above aqueous nano-enamel coating, the antifoaming agent is any one of glycerol, propylene glycol, terpineol, and isopropanol.
In the above aqueous nano-enamel coating, the film-forming auxiliary agent is alcohol ester-12.
A method for preparing a waterborne nano-imitation ceramic coating comprises the following steps:
Step 1. First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ether, isopropanol, deionized water, hydrochloric acid in a molar ratio TEOS:
ethanol: ethylene glycol ether:
isopropanol: H20: hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10-4 ratio to prepare a mixed solution;
Step 2, then, at a normal temperature, the ratio of the resin, the alcohol ether solvent, the auxiliary agent, and the deionized water are stirred at a rate of 500 r/min with a high speed dispersing machine for 10 min;
Step 3. Then, the proportioned nano silica sol is added and stirred for 1-3 h.
The preparation method of the above aqueous nano-imitation ceramic coating, after the step 1 is formulated into a mixed solution: 0.11M ammonia water, which is included in the total weight of the mixed solution, is stirred at 60 C for 1 hour, and then stored at room temperature; or stirred at 60 C
for 1 hour. After storage at room temperature; or at 60 C for 1 h, then add 0.1% of aqueous ammonia ¨2¨
solution of 0.1% by weight of the mixed solution, and continue to stir at 60 C for 1 hand then store at room temperature.
The beneficial effects of the invention are:
The water-based nano-imitation porcelain coating prepared by the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high hardness. It is wear-resistant and the coating is non-toxic, harmless, non-polluting, non-radioactive and highly resistant to pollution. It can be widely used in construction and other industries.
Detailed descriptions The invention provides an aqueous nano-imitation porcelain coating, comprising a resin, a hydrophilic nano silica, an alcohol ether solvent, an auxiliary agent, and deionized water. In the aqueous nano-enamel coating of the present invention, the content of each component is preferably:
0.1-20% resin; 5-30% nano silica sol, 10-20% alcohol ether solvent, 10-30%
help Agent, and 40-70%
deionized water.
Among them, the resin is an acrylic polymer resin; the nano silica is a self-made silica sol synthesized in situ, and the preparation method thereof is described below;
the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, and diethyl ether.
One or more of glycol ether, diethylene glycol ether, ethylene glycol phenyl ether, ethylene glycol butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate; Dispersing agent, film forming aid, antifoaming agent, etc., wherein the dispersing agent is BYK2090, BYK2091 or BYK2096, such dispersing agent has better dispersing effect on pigments and nanoparticles;
defoaming agent is glycerin, propylene glycol, Terpineol, isopropanol, etc.;
the film-forming aid is alcohol ester-12 (2, 2, 4-trimethy1-1,3 pentanediol monoisobutyric acid value) and the like.
Embodiment 1 of the present invention:
First, a nanosilica sol was prepared: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water in a molar ratio of TEOS: ethanol: ethylene glycol ether: isopropanol:
H20 = 1: A ratio of 1.25:1.6:0.98:1.5 was mixed to prepare a mixed solution, and 0.11 M of ammonia ¨3¨
water, which was included in the total weight of the above system, was stirred at 60 C for 1 hour, and then stored at room temperature.
Then, 150 g of an acrylic resin, 45 g of propylene glycol methyl ether acetate, 200 g of water and 20 g of a dispersing agent (BYK 2090), and 30 g of an antifoaming agent (glycerol) at a rate of 500 r/min at a normal temperature were used. ) Stirring for 10 min.
Then, 120 g of the prepared nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour to obtain a finished product.
Embodiment 2 of the present invention:
First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid in a molar ratio of TEOS:
ethanol: ethylene glycol ether: isopropanol: H ( TF49)0: Hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10 "4. The mixed solution was prepared and stirred at 60 C for 1 hour and then stored at room temperature.
Then, 180 g of an acrylic resin, 60 g of ethylene glycol phenyl ether, 280 g of deionized water and 10 g of a dispersing agent (BYK 2096) and 10 g of a film-forming auxiliary agent at a rate of 500 r/min at a normal temperature were used. The alcohol ester-12) was stirred for 10 min.
Then, 150 g of the above nano silica sol was added and stirred at 2000 r/min for 1 hour; finally, 20 g of an antifoaming agent (terpineol) was added and stirred at 2500 r/min for 2 hours to obtain a finished product.
Embodiment 3 of the present invention:
Firstly, nano silica sol is prepared: using acid-base two-step catalysis method, ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid, in molar ratio TEOS: ethanol: ethylene glycol Ether: isopropanol: H 2 0 hydrochloric acid =
1: 1.25: 1.6: 0.98: 1.5:
7.3 * 10 -4 ratio to prepare a mixed solution, stirred at 60 C for 1 h, then added the above solution weight 0.1% of 0.11 M aqueous ammonia was further stirred at 60 'C for 1 hour and then stored at room temperature.
Then, 200 g of an acrylic resin, 300 g of deionized water, and 20 g of a dispersing agent (BYK
2091) and 20 g of an antifoaming agent (propylene glycol) were stirred at a rate of 500 r/min at a normal temperature for 10 minutes. .
¨4¨
Then, 280 g of nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour;
finally, it was stirred at 2500 r/min for 2 hours to obtain a finished product.
The prepared aqueous nano-imitation porcelain coating of the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high Hard and wear-resistant, and the coating is non-toxic, harmless, non-polluting, non-radioactive, and highly resistant to pollution, and can be widely used in construction and other industries.
The preferred embodiments of the present invention have been described in detail above. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art based on the prior art based on the prior art by logic analysis, reasoning or limited experimentation should be within the scope of protection determined by the claims.
_5¨
Background technique Imitation porcelain coatings can be applied in a wide range of applications, such as cement surface, metal surface, plastic surface, wood and other solid surfaces for painting and spraying. It can be used for interior walls of public buildings, interior walls of houses, kitchens, bathrooms and bathrooms. Anti-corrosion for exterior decoration of electrical appliances, machinery and furniture.
The melamine coatings include water-based melamine coatings and solvent-based enamel coatings. Solvent-based architectural coatings are toxic solvents due to their curing process, which are not environmentally friendly and are limited in coatings. The aging resistance and adhesion of washed enamel coatings There are always more problems in the properties of smooth coating, stain resistance, abrasion resistance, acid and alkali resistance, water resistance, etc., which limits their widespread use.
Summary of the invention In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide an aqueous nano-imitation ceramic coating and a preparation method thereof, by adding a nano-silica filler and dispersing in a nanometer size in a coating mixing system, The silica nanoparticles show that some large particles do not have special properties, and have excellent water resistance, alkali resistance, wear resistance, aging resistance, and strong adhesion.
In order to achieve the above object, the present invention provides an aqueous nano-imitation ceramic coating, the raw material of which is composed of the following components by weight:
0.1-20% resin, 5-30% nano silica sol, 10-20% Alcohol ether solvent, 10-30%
auxiliary, 40-70%
¨1¨
deionized water.
In the above aqueous nano-enamel coating, the resin is an acrylic polymer resin.
The above-mentioned aqueous nano-imitation ceramic coating: the nano silica sol is a self-made in-situ synthesized silica sol.
In the above aqueous nano-enamel coating, the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol diethyl ether, ethylene glycol phenyl ether, ethylene glycol. One or more of butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate In the above aqueous nano-enamel coating, the auxiliary agent includes any one of a dispersing agent, a film forming auxiliary agent and an antifoaming agent.
In the above aqueous nano-imitation paint, the dispersant model is any one of BYK2090, BYK2091, and BYK2096.
In the above aqueous nano-enamel coating, the antifoaming agent is any one of glycerol, propylene glycol, terpineol, and isopropanol.
In the above aqueous nano-enamel coating, the film-forming auxiliary agent is alcohol ester-12.
A method for preparing a waterborne nano-imitation ceramic coating comprises the following steps:
Step 1. First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ether, isopropanol, deionized water, hydrochloric acid in a molar ratio TEOS:
ethanol: ethylene glycol ether:
isopropanol: H2O: hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10-4 ratio to prepare a mixed solution;
Step 2, then, at a normal temperature, the ratio of the resin, the alcohol ether solvent, the auxiliary agent, and the deionized water are stirred at a rate of 500 r/min with a high speed dispersing machine for 10 min;
Step 3. Then, the proportioned nano silica sol is added and stirred for 1-3 h.
The preparation method of the above aqueous nano-imitation ceramic coating, after the step 1 is formulated into a mixed solution: 0.11M ammonia water, which is included in the total weight of the mixed solution, is stirred at 60 C for 1 hour, and then stored at room temperature; or stirred at 60 C
for 1 hour. After storage at room temperature; or at 60 C for 1 h, then add 0.1% of aqueous ammonia ¨2¨
solution of 0.1% by weight of the mixed solution, and continue to stir at 60 C for 1 hand then store at room temperature.
The beneficial effects of the invention are:
The water-based nano-imitation porcelain coating prepared by the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high hardness. It is wear-resistant and the coating is non-toxic, harmless, non-polluting, non-radioactive and highly resistant to pollution. It can be widely used in construction and other industries.
Detailed descriptions The invention provides an aqueous nano-imitation porcelain coating, comprising a resin, a hydrophilic nano silica, an alcohol ether solvent, an auxiliary agent, and deionized water. In the aqueous nano-enamel coating of the present invention, the content of each component is preferably:
0.1-20% resin; 5-30% nano silica sol, 10-20% alcohol ether solvent, 10-30%
help Agent, and 40-70%
deionized water.
Among them, the resin is an acrylic polymer resin; the nano silica is a self-made silica sol synthesized in situ, and the preparation method thereof is described below;
the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, and diethyl ether.
One or more of glycol ether, diethylene glycol ether, ethylene glycol phenyl ether, ethylene glycol butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate; Dispersing agent, film forming aid, antifoaming agent, etc., wherein the dispersing agent is BYK2090, BYK2091 or BYK2096, such dispersing agent has better dispersing effect on pigments and nanoparticles;
defoaming agent is glycerin, propylene glycol, Terpineol, isopropanol, etc.;
the film-forming aid is alcohol ester-12 (2, 2, 4-trimethy1-1,3 pentanediol monoisobutyric acid value) and the like.
Embodiment 1 of the present invention:
First, a nanosilica sol was prepared: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water in a molar ratio of TEOS: ethanol: ethylene glycol ether: isopropanol:
H20 = 1: A ratio of 1.25:1.6:0.98:1.5 was mixed to prepare a mixed solution, and 0.11 M of ammonia ¨3¨
water, which was included in the total weight of the above system, was stirred at 60 C for 1 hour, and then stored at room temperature.
Then, 150 g of an acrylic resin, 45 g of propylene glycol methyl ether acetate, 200 g of water and 20 g of a dispersing agent (BYK 2090), and 30 g of an antifoaming agent (glycerol) at a rate of 500 r/min at a normal temperature were used. ) Stirring for 10 min.
Then, 120 g of the prepared nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour to obtain a finished product.
Embodiment 2 of the present invention:
First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid in a molar ratio of TEOS:
ethanol: ethylene glycol ether: isopropanol: H ( TF49)0: Hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10 -4. The mixed solution was prepared and stirred at 60 C for 1 hour and then stored at room temperature.
Then, 180 g of an acrylic resin, 60 g of ethylene glycol phenyl ether, 280 g of deionized water and 10 g of a dispersing agent (BYK 2096) and 10 g of a film-forming auxiliary agent at a rate of 500 r/min at a normal temperature were used. The alcohol ester-12) was stirred for 10 min.
Then, 150 g of the above nano silica sol was added and stirred at 2000 r/min for 1 hour; finally, 20 g of an antifoaming agent (terpineol) was added and stirred at 2500 r/min for 2 hours to obtain a finished product.
Embodiment 3 of the present invention:
Firstly, nano silica sol is prepared: using acid-base two-step catalysis method, ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid, in molar ratio TEOS: ethanol: ethylene glycol Ether: isopropanol: H 2 0 hydrochloric acid =
1: 1.25: 1.6: 0.98: 1.5:
7.3 * 10 -4 ratio to prepare a mixed solution, stirred at 60 C for 1 h, then added the above solution weight 0.1% of 0.11 M aqueous ammonia was further stirred at 60 C for 1 hour and then stored at room temperature.
Then, 200 g of an acrylic resin, 300 g of deionized water, and 20 g of a dispersing agent (BYK
2091) and 20 g of an antifoaming agent (propylene glycol) were stirred at a rate of 500 r/min at a normal temperature for 10 minutes. .
¨4¨
Then, 280 g of nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour;
finally, it was stirred at 2500 r/min for 2 hours to obtain a finished product.
The prepared aqueous nano-imitation porcelain coating of the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high Hard and wear-resistant, and the coating is non-toxic, harmless, non-polluting, non-radioactive, and highly resistant to pollution, and can be widely used in construction and other industries.
The preferred embodiments of the present invention have been described in detail above. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art based on the prior art based on the prior art by logic analysis, reasoning or limited experimentation should be within the scope of protection determined by the claims.
¨5¨
Aqueous nano-imitation porcelain coating and preparation method thereof Technical field The invention relates to the technical field of coatings, in particular to an aqueous nano -imitation porcelain coating and a preparation method thereof.
Background technique Imitation porcelain coatings can be applied in a wide range of applications, such as cement surface, metal surface, plastic surface, wood and other solid surfaces for painting and spraying. It can be used for interior walls of public buildings, interior walls of houses, kitchens, bathrooms and bathrooms. Anti-corrosion for exterior decoration of electrical appliances, machinery and furniture.
The melamine coatings include water-based melamine coatings and solvent-based enamel coatings. Solvent-based architectural coatings are toxic solvents due to their curing process, which are not environmentally friendly and are limited in coatings. The aging resistance and adhesion of washed enamel coatings There are always more problems in the properties of smooth coating, stain resistance, abrasion resistance, acid and alkali resistance, water resistance, etc., which limits their widespread use.
Summary of the invention In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide an aqueous nano-imitation ceramic coating and a preparation method thereof, by adding a nano-silica filler and dispersing in a nanometer size in a coating mixing system, The silica nanoparticles show that some large particles do not have special properties, and have excellent water resistance, alkali resistance, wear resistance, aging resistance, and strong adhesion.
In order to achieve the above object, the present invention provides an aqueous nano -imitation ceramic coating, the raw material of which is composed of the following components by weight:
0.1-20% resin, 5-30% nano silica sol, 10-20% Alcohol ether solvent, 10-30%
auxiliary, 40-70%
¨1¨
deionized water.
In the above aqueous nano-enamel coating, the resin is an acrylic polymer resin.
The above-mentioned aqueous nano-imitation ceramic coating: the nano silica sol is a self-made in-situ synthesized silica sol.
In the above aqueous nano-enamel coating, the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol diethyl ether, ethylene glycol phenyl ether, ethylene glycol. One or more of butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate In the above aqueous nano-enamel coating, the auxiliary agent includes any one of a dispersing agent, a film forming auxiliary agent and an antifoaming agent.
In the above aqueous nano-imitation paint, the dispersant model is any one of BYK2090, BYK2091, and BYK2096.
In the above aqueous nano-enamel coating, the antifoaming agent is any one of glycerol, propylene glycol, terpineol, and isopropanol.
In the above aqueous nano-enamel coating, the film-forming auxiliary agent is alcohol ester-12.
A method for preparing a waterborne nano-imitation ceramic coating comprises the following steps:
Step 1. First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ether, isopropanol, deionized water, hydrochloric acid in a molar ratio TEOS:
ethanol: ethylene glycol ether:
isopropanol: H20: hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10-4 ratio to prepare a mixed solution;
Step 2, then, at a normal temperature, the ratio of the resin, the alcohol ether solvent, the auxiliary agent, and the deionized water are stirred at a rate of 500 r/min with a high speed dispersing machine for 10 min;
Step 3. Then, the proportioned nano silica sol is added and stirred for 1-3 h.
The preparation method of the above aqueous nano-imitation ceramic coating, after the step 1 is formulated into a mixed solution: 0.11M ammonia water, which is included in the total weight of the mixed solution, is stirred at 60 C for 1 hour, and then stored at room temperature; or stirred at 60 C
for 1 hour. After storage at room temperature; or at 60 C for 1 h, then add 0.1% of aqueous ammonia ¨2¨
solution of 0.1% by weight of the mixed solution, and continue to stir at 60 C for 1 hand then store at room temperature.
The beneficial effects of the invention are:
The water-based nano-imitation porcelain coating prepared by the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high hardness. It is wear-resistant and the coating is non-toxic, harmless, non-polluting, non-radioactive and highly resistant to pollution. It can be widely used in construction and other industries.
Detailed descriptions The invention provides an aqueous nano-imitation porcelain coating, comprising a resin, a hydrophilic nano silica, an alcohol ether solvent, an auxiliary agent, and deionized water. In the aqueous nano-enamel coating of the present invention, the content of each component is preferably:
0.1-20% resin; 5-30% nano silica sol, 10-20% alcohol ether solvent, 10-30%
help Agent, and 40-70%
deionized water.
Among them, the resin is an acrylic polymer resin; the nano silica is a self-made silica sol synthesized in situ, and the preparation method thereof is described below;
the alcohol ether solvent is ethylene glycol methyl ether, ethylene glycol butyl ether, and diethyl ether.
One or more of glycol ether, diethylene glycol ether, ethylene glycol phenyl ether, ethylene glycol butyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate; Dispersing agent, film forming aid, antifoaming agent, etc., wherein the dispersing agent is BYK2090, BYK2091 or BYK2096, such dispersing agent has better dispersing effect on pigments and nanoparticles;
defoaming agent is glycerin, propylene glycol, Terpineol, isopropanol, etc.;
the film-forming aid is alcohol ester-12 (2, 2, 4-trimethy1-1,3 pentanediol monoisobutyric acid value) and the like.
Embodiment 1 of the present invention:
First, a nanosilica sol was prepared: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water in a molar ratio of TEOS: ethanol: ethylene glycol ether: isopropanol:
H20 = 1: A ratio of 1.25:1.6:0.98:1.5 was mixed to prepare a mixed solution, and 0.11 M of ammonia ¨3¨
water, which was included in the total weight of the above system, was stirred at 60 C for 1 hour, and then stored at room temperature.
Then, 150 g of an acrylic resin, 45 g of propylene glycol methyl ether acetate, 200 g of water and 20 g of a dispersing agent (BYK 2090), and 30 g of an antifoaming agent (glycerol) at a rate of 500 r/min at a normal temperature were used. ) Stirring for 10 min.
Then, 120 g of the prepared nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour to obtain a finished product.
Embodiment 2 of the present invention:
First, prepare a nano silica sol: ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid in a molar ratio of TEOS:
ethanol: ethylene glycol ether: isopropanol: H ( TF49)0: Hydrochloric acid = 1:1.25:1.6:0.98:1.5:7.3*10 "4. The mixed solution was prepared and stirred at 60 C for 1 hour and then stored at room temperature.
Then, 180 g of an acrylic resin, 60 g of ethylene glycol phenyl ether, 280 g of deionized water and 10 g of a dispersing agent (BYK 2096) and 10 g of a film-forming auxiliary agent at a rate of 500 r/min at a normal temperature were used. The alcohol ester-12) was stirred for 10 min.
Then, 150 g of the above nano silica sol was added and stirred at 2000 r/min for 1 hour; finally, 20 g of an antifoaming agent (terpineol) was added and stirred at 2500 r/min for 2 hours to obtain a finished product.
Embodiment 3 of the present invention:
Firstly, nano silica sol is prepared: using acid-base two-step catalysis method, ethyl orthosilicate, ethanol, ethylene glycol ethyl ether, isopropanol, deionized water, hydrochloric acid, in molar ratio TEOS: ethanol: ethylene glycol Ether: isopropanol: H 2 0 hydrochloric acid =
1: 1.25: 1.6: 0.98: 1.5:
7.3 * 10 -4 ratio to prepare a mixed solution, stirred at 60 C for 1 h, then added the above solution weight 0.1% of 0.11 M aqueous ammonia was further stirred at 60 'C for 1 hour and then stored at room temperature.
Then, 200 g of an acrylic resin, 300 g of deionized water, and 20 g of a dispersing agent (BYK
2091) and 20 g of an antifoaming agent (propylene glycol) were stirred at a rate of 500 r/min at a normal temperature for 10 minutes. .
¨4¨
Then, 280 g of nano silica sol was added, and the mixture was stirred at 2000 r/min for 1 hour;
finally, it was stirred at 2500 r/min for 2 hours to obtain a finished product.
The prepared aqueous nano-imitation porcelain coating of the invention has strong adhesion ability, long service life, no problem of color drop and discoloration, and excellent antibacterial and aging resistance, high temperature resistant flame retardant, dirt self-cleaning and high Hard and wear-resistant, and the coating is non-toxic, harmless, non-polluting, non-radioactive, and highly resistant to pollution, and can be widely used in construction and other industries.
The preferred embodiments of the present invention have been described in detail above. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art based on the prior art based on the prior art by logic analysis, reasoning or limited experimentation should be within the scope of protection determined by the claims.
_5¨
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088708.1A CN109370342A (en) | 2018-09-18 | 2018-09-18 | A kind of water nano imitation porcelain coating and preparation method thereof |
| CN20181105887081 | 2018-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3024231A1 true CA3024231A1 (en) | 2020-03-18 |
Family
ID=65405609
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3024231A Abandoned CA3024231A1 (en) | 2018-09-18 | 2018-11-15 | Aqueous nano-imitation porcelain coating and preparation method thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109370342A (en) |
| CA (1) | CA3024231A1 (en) |
| WO (1) | WO2020056628A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014022960A1 (en) | 2012-08-06 | 2014-02-13 | 华为技术有限公司 | Method, apparatus, and network management system for acquiring energy efficiency parameter of overlapped coverage network |
| CN114350185A (en) * | 2021-12-14 | 2022-04-15 | 张心旺 | Water-based cold porcelain functional coating |
| CN114231128B (en) * | 2021-12-28 | 2023-07-25 | 苏州蓝沃奇纳米科技有限公司 | Preparation method of high-hardness composite porcelain-like coating |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003138017A (en) * | 2001-10-31 | 2003-05-14 | Nippon Yushi Basf Coatings Kk | Modified silicate compound and low stain type aqueous paint composition using the same |
| CN101665931B (en) * | 2009-09-29 | 2012-06-06 | 北京科技大学 | Method for preparing long-acting antibacterial stainless steel film |
| CN102653628B (en) * | 2012-04-24 | 2014-03-05 | 东莞上海大学纳米技术研究院 | Preparation method and application of nano sol modified waterborne polyurethane emulsion |
| CN102874822B (en) * | 2012-10-24 | 2015-09-23 | 河南安彩高科股份有限公司 | A kind of silicon dioxide gel, its method for making and application |
| CN103031007B (en) * | 2012-12-10 | 2015-04-29 | 彩虹集团电子股份有限公司 | Preparation method of nanosilicon dioxide sol coating solution with low volatility |
| CN103553535A (en) * | 2013-09-30 | 2014-02-05 | 安徽华印机电股份有限公司 | Antifouling porcelain-imitate four-in-one paint |
| CN103725079A (en) * | 2013-12-11 | 2014-04-16 | 天津美士邦涂料化工有限公司 | Preparation process of workshop primer curing agent |
| CN105111867A (en) * | 2015-09-23 | 2015-12-02 | 吕标 | Water-based environment-friendly porcelain glaze-like plastic coating and preparation method thereof |
| CN105295632B (en) * | 2015-12-07 | 2017-08-29 | 佛山市高明福隆斯新材料科技有限公司 | A kind of environment-friendly type coatings for furniture and preparation method |
| CN108285702A (en) * | 2016-12-02 | 2018-07-17 | 青岛瑞利特新材料科技有限公司 | Anti- formaldehyde aqueous woodware paint |
| CN106750355A (en) * | 2016-12-14 | 2017-05-31 | 厦门双瑞船舶涂料有限公司 | A kind of nano silicon water alcohol acid hybrid resin and preparation method |
-
2018
- 2018-09-18 CN CN201811088708.1A patent/CN109370342A/en active Pending
- 2018-09-19 WO PCT/CN2018/106503 patent/WO2020056628A1/en active Application Filing
- 2018-11-15 CA CA3024231A patent/CA3024231A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
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| CN109370342A (en) | 2019-02-22 |
| WO2020056628A1 (en) | 2020-03-26 |
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