CN112029387A - Normal-temperature wall paint based on ceramic underglaze painting and painting process thereof - Google Patents
Normal-temperature wall paint based on ceramic underglaze painting and painting process thereof Download PDFInfo
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- CN112029387A CN112029387A CN202010952496.8A CN202010952496A CN112029387A CN 112029387 A CN112029387 A CN 112029387A CN 202010952496 A CN202010952496 A CN 202010952496A CN 112029387 A CN112029387 A CN 112029387A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- 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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
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- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- 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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
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Abstract
The invention relates to the technical field of wall surface paint preparation, and discloses a normal-temperature wall surface paint based on ceramic under-glaze painting and a painting process thereof, wherein the normal-temperature wall surface paint comprises a water-based paint A painted on a bottom layer of a wall surface, a water-based paint B painted on a middle layer of the wall surface, a ceramic under-glaze painting paint painted on a pigment layer of the wall surface, and a glaze paint painted on a surface layer of the wall surface; after the normal temperature wall coating is constructed and smeared on the wall surface, the wall surface coating is totally divided into four layers, which are sequentially: the coating obtained after construction has the advantages of corrosion resistance, damage resistance, energy conservation, environmental protection and aging resistance, and also has the advantages of self-cleaning, non-stick and cleanable performance, and the coating is not fused with external substances, has good surface hydrophobicity, and can prevent dirt such as dust, water-based pens, tea stains, scratches of leather shoes and the like.
Description
Technical Field
The invention relates to the technical field of preparation of wall coatings, in particular to a normal-temperature wall coating based on ceramic under-glaze painting and a painting process thereof.
Background
The wall paint for home interior decoration in the current market is emulsion paint, the film forming material of the wall paint is mainly styrene-acrylic emulsion, and a small amount of vinyl acetate-acrylic emulsion and pure acrylic emulsion exist, and the wall paint only can play a simple decoration role. Because the film-forming substance of the latex paint is organic, organic solvents are added to a greater or lesser extent from the synthesis of raw materials to the production and coating of the paint, which causes some harm to the environment and human bodies. Along with the development of economy, the requirements of people on home decoration are higher and higher, and the wall surface painting is not only limited to the smoothness and flatness of the wall surface, but also needs to consider the problems of health, safety, environmental protection and the like, and also needs to consider whether the wall surface has a self-cleaning and non-sticking function, reduce the maintenance cost in the future and the like.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a normal-temperature wall paint based on ceramic under-glaze painting and a painting process thereof.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a normal temperature wall paint based on ceramic under-glaze painting comprises a water-based paint A coated on a bottom layer of a wall surface, a water-based paint B coated on a middle layer of the wall surface, a ceramic under-glaze painting paint coated on a pigment layer of the wall surface and a glaze paint coated on a surface layer of the wall surface;
the ceramic underglaze painting coating comprises the following raw materials in parts by weight: 36-51 parts of silicon dioxide, 8-14 parts of magnesium silicate, 7-12 parts of sodium silicate, 7-13 parts of nano antimony trioxide, 4-9 parts of nano titanium dioxide, 4-7 parts of silicon powder, germanium powder with the average particle size of 74um, 9-15 parts of oleic acid polyoxyethylene ester, 10-18 parts of polyvinyl alcohol, 0.5-1.5 parts of microcrystalline wax, 1-2 parts of calcium stearate, 2-4 parts of pigment and 20-25 parts of water.
Preferably, the water-based paint A comprises the following raw materials in parts by weight: 35.8 parts of waterborne epoxy polyester resin, 5.5 parts of thixotropic agent, 16.4 parts of amino resin, 7.8 parts of cellosolve, 7.0 parts of mixed pigment, 4.3 parts of filler, 2.4 parts of curing accelerator and 20.8 parts of distilled water.
Preferably, the water-based paint B comprises the following raw materials in parts by weight: 100 parts of 60% water-soluble itaconic acid epoxy ester resin, 3.5-5.5 parts of N, N-methylene bisacrylamide crosslinking agent, 3.0-4.5 parts of ammonium persulfate initiator, 3.5-5.5 parts of triethanolamine accelerator, 0-0.22 part of potassium ferricyanide retarder and 1-1500 parts of water solvent.
Preferably, the glaze coating comprises the following raw materials in parts by weight: 10-20 parts of deionized water, 0.2-0.8 part of dispersant, 0.4-4.0 parts of water-based bentonite, 0.2-0.6 part of defoaming agent, 15-25 parts of rutile titanium dioxide, 5-15 parts of nano silicon dioxide, 40-70 parts of water-soluble itaconic acid epoxy ester resin, 0.2-0.6 part of wetting agent, 0.1-0.3 part of flatting agent, 3-6 parts of dipropylene glycol butyl ether, 0.2-0.8 part of polyurethane thickener and 100 parts of polyalkyl epoxy silane coupling agent.
A normal-temperature wall paint coating process based on ceramic under-glaze painting comprises the following steps:
step1, performing priming construction by taking the water-based paint A as a raw material;
step2, carrying out intermediate coating construction by taking the water-based paint B as a raw material;
step3, performing surface coating construction by taking ceramic underglaze painting paint and glaze paint as raw materials;
uniformly mixing the ceramic underglaze painting paint and the glaze paint, placing the mixture into a curing machine, adjusting the rotation speed of a shaft to 350-400 rpm, performing curing treatment, and placing the cured material in a constant-temperature warehouse for 24 hours for use;
construction requires that the environmental temperature is between 10 and 30 ℃, the relative humidity is less than 70 percent, the water content is less than or equal to 8 percent, and the pH value is less than 9.3;
the construction tool adopts a short wool roller and a wool brush for corners according to the requirements of working conditions, the construction is carried out by adopting a well-shaped method according to the principle that the wool roller is arranged from top to bottom and the wool brush is arranged behind the point, and the brushing direction and the stroke length are uniform and consistent;
the first surface coating is uniform in brushing and proper in thickness, the coating needs to be smooth and clean, and a short-hair roller is adopted during brushing, so that obvious brushing lines are avoided, and sagging and brush leakage are avoided;
the first time of painting is finished, and the roller painting is carried out for the second time after the touch drying, so that the uniform painting, proper thickness, no brush leakage, sagging and color biting are ensured.
Preferably, the top coating consumption is controlled to be 10-13m2Per Kg, drying time 37 days.
Preferably, the amount of the water-based paint A is 8-10m per square2Per Kg, drying time 1 day.
Preferably, the amount of the water-based paint B is 4-5m per square2Per Kg, drying time is 1-2 days.
(III) advantageous technical effects
Compared with the prior art, the invention has the following beneficial technical effects:
the invention takes silicon dioxide and water-soluble itaconic acid epoxy ester resin as raw materials, forms a complete compound form through chemical combination physical reaction, finally prepares a pure inorganic material with the advantages of organic matters and inorganic matters, forms porcelain at normal temperature, overcomes the defect that structural ceramics need to be fired at the temperature of more than 1000 ℃, simultaneously has high temperature resistance and abrasion resistance which can not be achieved by most organic coatings, overcomes the defects of flammability, easy aging, easy fading and the like of the organic coatings, can be conveniently constructed and cured at normal temperature like the organic coatings, and does not contain any toxic substance.
After the normal-temperature wall surface coating is coated on the inner wall, the obtained coating has the advantages of corrosion resistance, damage resistance, energy conservation, environmental protection and aging resistance, and also has the advantages of self-cleaning, non-stick and cleanable performance, and the coating is not fused with external substances, has good surface hydrophobicity, and can prevent dirt such as dust, water-based pens, tea stains, leather shoes scratches and the like.
Detailed Description
A normal temperature wall paint based on ceramic under-glaze painting comprises: the paint comprises a water-based paint A coated on a bottom layer of a wall surface, a water-based paint B coated on a middle layer of the wall surface, a ceramic underglaze painting paint coated on a pigment layer of the wall surface, and a glaze paint coated on a surface layer of the wall surface;
the water-based paint A comprises the following raw materials in parts by weight: 35.8 parts of waterborne epoxy polyester resin, 5.5 parts of thixotropic agent, 16.4 parts of amino resin, 7.8 parts of cellosolve, 7.0 parts of mixed pigment, 4.3 parts of filler, 2.4 parts of curing accelerator and 20.8 parts of distilled water;
the preparation method of the water-based paint A comprises the following steps:
step1, adding 35.8 parts of waterborne epoxy polyester resin, 7.8 parts of cellosolve, 20.8 parts of distilled water, 7.0 parts of mixed pigment, 4.3 parts of filler and 2.4 parts of curing accelerator into a paint mixing tank in sequence, and stirring uniformly;
step2, adding 5.5 parts of thixotropic agent and 16.4 parts of amino resin under stirring;
step3, fully mixing all the materials, grinding the materials to the fineness of not more than 30um by a sand mill, filtering and packaging to obtain the water-based paint A;
the water-based paint B comprises the following raw materials in parts by weight: 100 parts of 60% water-soluble itaconic acid epoxy ester resin, 3.5-5.5 parts of N, N-methylene bisacrylamide crosslinking agent, 3.0-4.5 parts of ammonium persulfate initiator, 3.5-5.5 parts of triethanolamine accelerator, 0-0.22 part of potassium ferricyanide retarder and 1-1500 parts of water solvent;
the preparation method of the water-based paint B comprises the following steps:
under stirring, fully mixing 100 parts of 60% water-soluble epoxy itaconate resin, 3.5-5.5 parts of N, N-methylene bisacrylamide crosslinking agent, 3.0-4.5 parts of ammonium persulfate initiator, 3.5-5.5 parts of triethanolamine accelerator, 0-0.22 part of potassium ferricyanide retarder and 1-1500 parts of water solvent, grinding the mixture by a sand mill until the fineness of the mixture is not more than 30 microns, filtering and packaging to obtain a water-based coating B;
the preparation method of the water-soluble epoxy itaconate resin comprises the following steps: adding itaconic acid, cosolvent and hydroquinone into a four-neck flask provided with a stirrer, a cocurrent condenser pipe, a thermometer and a nitrogen inlet, heating to 85 ℃, introducing nitrogen, adding benzyltriethylammonium chloride, simultaneously dropwise adding a mixed solution of epoxy resin and a small amount of cosolvent, keeping the temperature between 85 and 95 ℃, completing dropwise addition within 1 to 1.5 hours, after completing dropwise addition, heating to 100-105 ℃, reacting for 2 to 4.5 hours, sampling at any time during the reaction process to analyze the acid value, titrating by adopting phenolphthalein indicator and 0.2mol/L NaOH standard solution, and immediately stopping the reaction when the acid value reaches 130 mgNaOH/g; cooling the materials to below 50 ℃, adding ammonia water to neutralize the materials until the pH value is 7-7.5, and diluting the materials with a certain amount of deionized water to prepare a water-soluble epoxy itaconate resin solution;
the ceramic underglaze painting coating comprises the following raw materials in parts by weight: 36-51 parts of silicon dioxide, 8-14 parts of magnesium silicate, 7-12 parts of sodium silicate, 7-13 parts of nano antimony trioxide, 4-9 parts of nano titanium dioxide, 4-7 parts of silicon powder, germanium powder with the average particle size of 74um, 9-15 parts of oleic acid polyoxyethylene ester, 10-18 parts of polyvinyl alcohol, 0.5-1.5 parts of microcrystalline wax, 1-2 parts of calcium stearate, 2-4 parts of pigment and 20-25 parts of water;
the effect of adding germanium ions and silicon fine powder in the ceramic underglaze painting paint prevents the painting from being carried out after the bottom layer and the middle layer are dried, and the pigment layer is removed when the glaze layer is coated after the painting is finished;
the preparation method of the ceramic underglaze painting coating comprises the following steps:
under stirring, fully mixing 36-51 parts of silicon dioxide, 8-14 parts of magnesium silicate, 7-12 parts of sodium silicate, 7-13 parts of nano antimony trioxide, 4-9 parts of nano titanium dioxide, 4-7 parts of silicon powder, germanium powder with the average particle size of 74um, 9-15 parts of oleic acid polyoxyethylene ester, 10-18 parts of polyvinyl alcohol, 0.5-1.5 parts of microcrystalline wax, 1-2 parts of calcium stearate, 2-4 parts of pigment and 20-25 parts of water, grinding the mixture by a sand mill until the fineness is not more than 30um, filtering and packaging to obtain the ceramic under-glaze drawing coating;
the glaze coating comprises the following raw materials in parts by weight: 10-20 parts of deionized water, 0.2-0.8 part of dispersant, 0.4-4.0 parts of water-based bentonite, 0.2-0.6 part of defoaming agent, 15-25 parts of rutile titanium dioxide, 5-15 parts of nano silicon dioxide, 40-70 parts of water-soluble itaconic acid epoxy ester resin, 0.2-0.6 part of wetting agent, 0.1-0.3 part of flatting agent, 3-6 parts of dipropylene glycol butyl ether, 0.2-0.8 part of polyurethane thickener and 100 parts of polyalkyl epoxy silane coupling agent;
the preparation method of the glaze coating comprises the following steps:
uniformly mixing 10-20 parts of deionized water, 0.2-0.8 part of dispersant, 0.4-4.0 parts of water-based bentonite, 0.2-0.6 part of defoamer, 15-25 parts of rutile titanium dioxide, 5-15 parts of nano silicon dioxide and 3-6 parts of dipropylene glycol butyl ether, sanding and dispersing until the fineness is less than or equal to 15um, adding water-soluble itaconic acid epoxy ester resin, 0.2-0.6 part of wetting agent, 0.1-0.3 part of flatting agent and 0.2-0.8 part of polyurethane thickener, fully stirring, adjusting viscosity, detecting to be qualified, filtering and packaging to obtain a main coating component of the glaze coating;
uniformly mixing a main coating component of the glaze coating with 100 parts of polyalkyl epoxy silane coupling agent to prepare the glaze coating;
a normal-temperature wall paint coating process based on ceramic under-glaze painting comprises the following steps:
step1, performing priming construction by taking the water-based paint A as a raw material;
cleaning dust and dirt on the surface of the wall surface base layer;
the construction requires the temperature to be between 5 and 30 ℃ and the humidity to be less than 70 percent;
the construction tool adopts a traditional roller and a brush according to the working condition requirement;
during construction, the principle of firstly up and then down and firstly point behind is followed, the brushing direction and the stroke length are uniform, and rollers are usually criss-cross in a well shape and mutually overlapped during roller coating, so that the thickness of a paint film is uniform;
the coating is required to be uniformly coated and has proper thickness, no sagging and leakage of the coating are required, the working surface is required to be cleaned in the construction process, dirt such as dust is prevented from falling on a coating which is not dried, and the square dosage is 8-10m2Per Kg, drying for 1 day;
step2, carrying out intermediate coating construction by taking the water-based paint B as a raw material;
the temperature of the middle coating construction is required to be between 5 and 30 ℃, and the humidity is less than 70 percent;
the construction tool adopts a traditional roller, a brush or a spray gun according to the working condition requirement;
during construction, the principle of firstly up and then down and firstly point behind is followed, the brushing direction and the stroke length are uniform, and rollers are usually criss-cross in a well shape and mutually overlapped during roller coating, so that the thickness of a paint film is uniform;
the coating is required to be uniform in thickness and free from sagging and leaking. During construction, the working surface is cleaned, and dirt such as dust is prevented from falling on the coating which is not dried, wherein the square dosage is 4-5m2Per Kg, drying for 1 to 2 days;
step3, performing surface coating construction by taking ceramic underglaze painting paint and glaze paint as raw materials;
uniformly mixing the ceramic underglaze painting paint and the glaze paint, placing the mixture into a curing machine, adjusting the rotation speed of a shaft to 350-400 rpm, performing curing treatment, and placing the cured material in a constant-temperature warehouse for 24 hours to achieve the best use effect;
construction requires that the environmental temperature is between 10 and 30 ℃, the relative humidity is less than 70 percent, the water content is less than or equal to 8 percent, and the pH value is less than 9.3;
the construction tool adopts a short wool roller and a wool brush for corners according to the requirements of working conditions, the construction is carried out by adopting a 'well' word method according to the principle that the wool roller is arranged from top to bottom and the wool brush is arranged behind the point, and the brushing direction and the stroke length are uniform and consistent;
painting the first-pass surface coating according to the colors specified by the drawing, paying attention to uniform painting and proper thickness, leveling and cleaning during spraying, adopting a short-hair roller during brushing, needing no obvious brush lines, needing no too prominent lines during roller coating, and paying attention to no sagging and brush leakage;
at the corners such as internal corners and window sleeves which are inconvenient to roll and coat, a goat hair brush is used for dipping a small amount of top coat and coating;
after the first time of coating is finished, rolling and coating are carried out for the second time immediately after the first time of coating is dried, so that the uniform coating, proper thickness, no brush leakage, sagging, color biting and other phenomena are ensured;
during construction, the working surface is cleaned, dirt such as dust is prevented from falling on a coating which is not dried, remedial measures are taken to recoat once the coating is polluted, and the polluted part can be cleaned by ethanol;
when in painting, the joint is necessarily arranged at the color separation line, the internal and external corners and the segmentation seam;
in order to prevent cracks from generating due to excessively thick coating, the top coating consumption is controlled to be 10-13m2Per Kg, drying time is 37 days;
and (3) performance testing:
the normal-temperature wall paint based on ceramic underglaze painting is coated on a metal plate base material according to the coating process, and the metal plate base material has the delivery test performance shown in the following tables 1-3.
TABLE 1
TABLE 2
TABLE 3
Claims (8)
1. A normal temperature wall paint based on ceramic under-glaze painting is characterized by comprising a water-based paint A coated on a bottom layer of a wall surface, a water-based paint B coated on a middle layer of the wall surface, a ceramic under-glaze painting paint coated on a pigment layer of the wall surface and a glaze paint coated on a surface layer of the wall surface;
the ceramic underglaze painting coating comprises the following raw materials in parts by weight: 36-51 parts of silicon dioxide, 8-14 parts of magnesium silicate, 7-12 parts of sodium silicate, 7-13 parts of nano antimony trioxide, 4-9 parts of nano titanium dioxide, 4-7 parts of silicon powder, germanium powder, 9-15 parts of oleic acid polyoxyethylene ester, 10-18 parts of polyvinyl alcohol, 0.5-1.5 parts of microcrystalline wax and 20-25 parts of water.
2. The normal-temperature wall paint for ceramic under-glaze painting according to claim 1, wherein the water-based paint A comprises the following raw materials in parts by weight: 35.8 parts of waterborne epoxy polyester resin, 5.5 parts of thixotropic agent, 16.4 parts of amino resin, 7.8 parts of cellosolve, 7.0 parts of mixed pigment, 4.3 parts of filler, 2.4 parts of curing accelerator and 20.8 parts of distilled water.
3. The normal-temperature wall paint for ceramic under-glaze painting according to claim 2, wherein the water-based paint B comprises the following raw materials in parts by weight: 100 parts of 60% water-soluble itaconic acid epoxy ester resin, 3.5-5.5 parts of cross-linking agent, 3.0-4.5 parts of initiator, 3.5-5.5 parts of accelerator, 0-0.22 part of retarder and 1-1500 parts of hydrosolvent.
4. The normal-temperature wall paint for ceramic under-glaze drawing according to claim 3, wherein the glaze paint comprises the following raw materials in parts by weight: 10-20 parts of deionized water, 0.2-0.8 part of dispersant, 0.4-4.0 parts of water-based bentonite, 0.2-0.6 part of defoaming agent, 15-25 parts of rutile titanium dioxide, 5-15 parts of nano silicon dioxide, 40-70 parts of water-soluble itaconic acid epoxy ester resin, 0.2-0.6 part of wetting agent, 0.1-0.3 part of flatting agent, 3-6 parts of dipropylene glycol butyl ether, 0.2-0.8 part of thickener and 100 parts of coupling agent.
5. A normal-temperature wall paint coating process based on ceramic under-glaze painting is characterized by comprising the following steps:
step1, performing priming construction by taking the water-based paint A as a raw material;
step2, carrying out intermediate coating construction by taking the water-based paint B as a raw material;
step3, performing surface coating construction by taking ceramic underglaze painting paint and glaze paint as raw materials;
uniformly mixing the ceramic underglaze painting paint and the glaze paint, placing the mixture into a curing machine, adjusting the rotation speed of a shaft to 350-400 rpm, performing curing treatment, and placing the cured material in a constant-temperature warehouse for 24 hours for use;
construction requires that the environmental temperature is between 10 and 30 ℃, the relative humidity is less than 70 percent, the water content is less than or equal to 8 percent, and the pH value is less than 9.3;
the construction tool adopts a short wool roller and a wool brush for corners according to the requirements of working conditions, the construction is carried out by adopting a well-shaped method according to the principle that the wool roller is arranged from top to bottom and the wool brush is arranged behind the point, and the brushing direction and the stroke length are uniform and consistent;
the first surface coating is uniform in brushing and proper in thickness, the coating needs to be smooth and clean, and a short-hair roller is adopted during brushing, so that obvious brushing lines are avoided, and sagging and brush leakage are avoided;
the first time of painting is finished, and the roller painting is carried out for the second time after the touch drying, so that the uniform painting, proper thickness, no brush leakage, sagging and color biting are ensured.
6. The process for applying the normal-temperature wall surface coating based on ceramic under-glaze painting according to claim 5, wherein the top coating consumption is controlled to be 10-13m2Per Kg, drying time 37 days.
7. The process for painting a normal-temperature wall surface paint based on ceramic under-glaze painting according to claim 6, wherein the square dosage of the water-based paint A is 8-10m2Per Kg, drying time 1 day.
8. The process for painting a normal-temperature wall surface paint based on ceramic under-glaze painting according to claim 7, wherein the square dosage of the water-based paint B is 4-5m2Per Kg, drying time is 1-2 days.
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