CN112409829A - Production process of water-based nano ceramic coating - Google Patents
Production process of water-based nano ceramic coating Download PDFInfo
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- CN112409829A CN112409829A CN202011386299.0A CN202011386299A CN112409829A CN 112409829 A CN112409829 A CN 112409829A CN 202011386299 A CN202011386299 A CN 202011386299A CN 112409829 A CN112409829 A CN 112409829A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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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Abstract
The invention discloses a production process of a water-based nano ceramic coating, which comprises the following steps: selecting raw materials: 30-50 parts of nano silica sol, 5-15 parts of polysiloxane coupling agent, 1-2 parts of catalyst, 2-4 parts of functional additive, 1-5 parts of pigment color paste and 20-30 parts of cosolvent. Based on the nano gel-sol technology, the nano ceramic coating with high comprehensive performance, energy saving and environment protection is produced by using nano silica sol as main resin, matching polysiloxane coupling agent, compounding certain catalyst, adding functional assistant, various pigment color pastes and cosolvent.
Description
Technical Field
The invention relates to the technical field of ceramic coatings, in particular to a production process of a water-based nano ceramic coating.
Background
Ceramics are a generic term for ceramics and porcelain. Common ceramic materials are clay, alumina, kaolin, and the like. Ceramic materials generally have a high hardness but a poor plasticity. Besides being used for tableware and decoration, ceramics play an important role in the development of science and technology. The ceramic raw material is extracted from a large amount of clay which is the original resource of the earth. The clay has toughness, can be plasticized when meeting water at normal temperature, can be slightly dried for carving, and can be completely dried for grinding; when the mixture is burnt to 700 ℃, the pottery can be made into pottery which can be filled with water; when the ceramic material is burnt to 1230 ℃, the ceramic material is vitrified, almost completely does not absorb water, and is high-temperature resistant and corrosion resistant. The flexibility of its usage has various creative applications in today's cultural science and technology. A pottery is invented. The ceramic materials are mostly oxides, nitrides, borides, carbides, and the like. The stricter the requirements on energy conservation and environmental protection are, the more serious the requirements are for many enterprises, especially for manufacturers of high-energy-consumption ceramics and ceramic tiles.
The existing ceramic coating has low hardness, wear resistance, glossiness and no colorful effect, and limits the technical development of ceramic coatings.
Disclosure of Invention
The invention aims to provide a production process of a water-based nano ceramic coating, which can completely replace the existing ceramic glaze, has high hardness which can reach 9H, high wear resistance and high gloss, and has a colorful effect which cannot be achieved by the existing ceramic, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a production process of a water-based nano ceramic coating, which comprises the following steps:
step one, preparing nanometer silica sol: adding organic silicon into an acetone solvent according to the weight ratio of 1:5, then adding 2-5 parts of ammonia water and 1-4 parts of silane coupling agent, stirring at a constant speed of 100-200r/min for 10-20min, then adding 5-10 parts of activated epoxy resin, reacting at 35-45 ℃ for 20-30min at the reaction speed of 50-100r/min, and obtaining nano silica sol after the reaction is finished;
selecting raw materials: 30-50 parts of nano silica sol, 5-15 parts of polysiloxane coupling agent, 1-2 parts of catalyst, 2-4 parts of functional additive, 1-5 parts of pigment color paste and 20-30 parts of cosolvent;
step three, mixing the raw materials; sequentially adding the raw materials in the step two into a stirrer for mixing treatment, firstly stirring at a high speed of 800-;
step four, homogenizing and dispersing treatment: then ultrasonic oscillation treatment is carried out, the power of the ultrasonic oscillation is 50-100W, and the ultrasonic oscillation time is 10-20min, so as to obtain the water-based nano ceramic coating.
Preferably, the activated epoxy resin is irradiated by plasma for 10-20min, and the irradiation power is 200-250W.
Preferably, the catalyst is one or more of triethylene diamine, diethylamine, stannous octoate and dibutyltin dilaurate.
Preferably, the functional auxiliary agent consists of maleic anhydride, an anti-wear agent and ethylenediamine according to a weight ratio of 5:2: 1.
Preferably, the preparation method of the anti-wear agent comprises the following steps: grinding the diatomite to 40-100 meshes, then carrying out thermal activation treatment, then adding the diatomite into sodium citrate, carrying out ultrasonic dispersion for 10-20min at the ultrasonic power of 100-200W, washing with water after the ultrasonic treatment is finished, and drying again to obtain the wear-resistant agent.
Preferably, the thermal activation treatment is carried out for preheating for 10-20min at the temperature of 50-100 ℃, then the temperature is increased to 210 ℃ at the speed of 1-5 ℃/min, and the temperature is kept for 15-25 min.
Preferably, the pigment color paste is one or a combination of more of water-based chrome green single color paste, water-based perylene black single color paste, water-based titanium white single color paste and water-based permanent yellow single color paste.
Preferably, the cosolvent is formed by mixing sodium dodecyl sulfate and sodium chloride according to a weight ratio of (2-4) to 1.
Preferably, the cosolvent is sodium dodecyl sulfate and sodium chloride mixed according to the weight ratio of 3: 1.
Compared with the prior art, the invention has the following beneficial effects:
based on the nano gel-sol technology, the nano ceramic coating which is very high in comprehensive performance, energy-saving and environment-friendly is produced by taking nano silica sol as a main resin, matching with a polysiloxane coupling agent, compounding a certain catalyst, adding a functional auxiliary agent, various pigment color pastes and a cosolvent; the coating reaches the surface of ceramic or metal by spraying or dip-coating, can form a film only by baking at 180 ℃, forms a layer of coating with high hardness, good gloss and ceramic glaze texture, can completely replace the ceramic glaze process, is environment-friendly and energy-saving, can be made into colorful colors, has good decoration effect, is wear-resistant and easy to clean, and has good market situation. Can be used for sanitary ware for bath and can also be used for ceramic tiles for decoration, thus being beautiful, colorful and durable.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the production process of the water-based nano ceramic coating comprises the following steps:
step one, preparing nanometer silica sol: adding organic silicon into an acetone solvent according to the weight ratio of 1:5, then adding 2 parts of ammonia water and 1 part of silane coupling agent, stirring at a constant speed of 100r/min for 10min, then adding 5 parts of activated epoxy resin, reacting at 35 ℃ for 20-30min at the reaction speed of 50r/min, and obtaining the nano silica sol after the reaction is finished;
selecting raw materials: 30 parts of nano silica sol, 5 parts of polysiloxane coupling agent, 1 part of catalyst, 2 parts of functional additive, 1 part of pigment color paste and 20 parts of cosolvent;
step three, mixing the raw materials; sequentially adding the raw materials in the step two into a stirrer for mixing treatment, firstly stirring at a high speed of 800r/min for 10min, and then stirring at a low speed of 200-300r/min for 35 min;
step four, homogenizing and dispersing treatment: then ultrasonic oscillation treatment is carried out, the power of the ultrasonic oscillation is 50-100W, and the ultrasonic oscillation time is 10min, so as to obtain the water-based nano ceramic coating.
The activated epoxy resin of this example was irradiated with plasma for 10min at 200W.
The catalyst of this example was triethylenediamine.
The functional additive of this example was composed of maleic anhydride, an anti-wear agent, and ethylenediamine in a weight ratio of 5:2: 1.
The preparation method of the anti-wear agent in the embodiment comprises the following steps: grinding diatomite to 40 meshes, carrying out thermal activation treatment, then adding the diatomite into sodium citrate, carrying out ultrasonic dispersion for 10min with the ultrasonic power of 100W, washing with water after the ultrasonic dispersion is finished, and drying again to obtain the wear-resisting agent.
The thermal activation treatment of this example was carried out by preheating at 50 ℃ for 10min, then increasing the temperature to 210 ℃ at a rate of 1 ℃/min, and then keeping the temperature for 15 min.
The pigment color paste of the embodiment is water-based chromium green single color paste.
The cosolvent of the embodiment is formed by mixing sodium dodecyl sulfate and sodium chloride according to the weight ratio of 2: 1.
Example 2:
the production process of the water-based nano ceramic coating comprises the following steps:
step one, preparing nanometer silica sol: adding organic silicon into an acetone solvent according to the weight ratio of 1:5, then adding 5 parts of ammonia water and 4 parts of silane coupling agent, stirring at a constant speed of 200r/min for 20min, then adding 10 parts of activated epoxy resin, reacting at 45 ℃ for 20-30min at the reaction speed of 100r/min, and obtaining the nano silica sol after the reaction is finished;
selecting raw materials: 50 parts of nano silica sol, 15 parts of polysiloxane coupling agent, 2 parts of catalyst, 4 parts of functional additive, 5 parts of pigment color paste and 30 parts of cosolvent
Step three, mixing the raw materials; sequentially adding the raw materials in the step two into a stirrer for mixing treatment, firstly stirring at a high speed of 1200r/min for 20min, and then stirring at a low speed of 300r/min for 45 min;
step four, homogenizing and dispersing treatment: then ultrasonic oscillation treatment is carried out, the power of the ultrasonic oscillation is 100W, and the ultrasonic oscillation time is 20min, so as to obtain the water-based nano ceramic coating.
The activated epoxy resin of the embodiment is irradiated for 20min by using plasma, and the irradiation power is 250W.
The catalyst of this example was diethylamine.
The functional additive of this example was composed of maleic anhydride, an anti-wear agent, and ethylenediamine in a weight ratio of 5:2: 1.
The preparation method of the anti-wear agent in the embodiment comprises the following steps: grinding diatomite to 100 meshes, carrying out thermal activation treatment, then adding the diatomite into sodium citrate, carrying out ultrasonic dispersion for 20min at the ultrasonic power of 200W, washing with water, and drying again to obtain the wear-resistant agent.
The thermal activation treatment of this example was carried out at 100 ℃ for 20min, then the temperature was increased to 210 ℃ at a rate of 5 ℃/min, and the temperature was maintained for 25 min.
The pigment color paste of the embodiment is water-based perylene black single color paste.
The cosolvent of the present embodiment is a mixture of sodium dodecyl sulfate and sodium chloride at a weight ratio of 4: 1.
Example 3:
the production process of the water-based nano ceramic coating comprises the following steps:
step one, preparing nanometer silica sol: adding organic silicon into an acetone solvent according to the weight ratio of 1:5, then adding 3.5 parts of ammonia water and 2.5 parts of silane coupling agent, stirring at a constant speed of 150r/min for 15min, then adding 7.5 parts of activated epoxy resin, reacting at 40 ℃ for 25min, wherein the reaction speed is 75r/min, and obtaining the nano silica sol after the reaction is finished;
selecting raw materials: 40 parts of nano silica sol, 10 parts of polysiloxane coupling agent, 1.5 parts of catalyst, 3 parts of functional additive, 3 parts of pigment color paste and 25 parts of cosolvent
Step three, mixing the raw materials; sequentially adding the raw materials in the step two into a stirrer for mixing treatment, firstly stirring at a high speed of 1000r/min for 15min, and then stirring at a low speed of 250r/min for 40 min;
step four, homogenizing and dispersing treatment: then ultrasonic oscillation treatment is carried out, the power of the ultrasonic oscillation is 75W, and the ultrasonic oscillation time is 15min, so as to obtain the water-based nano ceramic coating.
The activated epoxy resin of this example was irradiated with plasma for 15min at 225W.
The catalyst of this example was stannous octoate.
The functional additive of this example was composed of maleic anhydride, an anti-wear agent, and ethylenediamine in a weight ratio of 5:2: 1.
The preparation method of the anti-wear agent in the embodiment comprises the following steps: grinding the diatomite to 70 meshes, carrying out thermal activation treatment, then adding the diatomite into sodium citrate, carrying out ultrasonic dispersion for 15min at the ultrasonic power of 100-.
The thermal activation treatment of this example was carried out by preheating at 75 ℃ for 15min, then raising the temperature to 210 ℃ at a rate of 3 ℃/min, and then keeping the temperature for 20 min.
The pigment color paste of the embodiment is aqueous titanium dioxide single color paste.
The cosolvent of the embodiment is formed by mixing sodium dodecyl sulfate and sodium chloride according to the weight ratio of 3: 1.
Comparative example 1:
the materials and preparation process are basically the same as those of example 3, except that no functional auxiliary agent is added.
| Group of | Relative abrasion resistance (relative to uncoated ceramics) |
| Example 1 | 5.3 |
| Example 2 | 5.5 |
| Example 3 | 5.9 |
| Comparative example 1 | 2.1 |
As can be seen from examples 1 to 3 and comparative example 1, the relative wear resistance of the ceramic of the present invention after spray coating was higher than 5.3, which has a significant improvement effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The production process of the water-based nano ceramic coating is characterized by comprising the following steps of:
step one, preparing nanometer silica sol: adding organic silicon into an acetone solvent according to the weight ratio of 1:5, then adding 2-5 parts of ammonia water and 1-4 parts of silane coupling agent, stirring at a constant speed of 100-200r/min for 10-20min, then adding 5-10 parts of activated epoxy resin, reacting at 35-45 ℃ for 20-30min at the reaction speed of 50-100r/min, and obtaining nano silica sol after the reaction is finished;
selecting raw materials: 30-50 parts of nano silica sol, 5-15 parts of polysiloxane coupling agent, 1-2 parts of catalyst, 2-4 parts of functional additive, 1-5 parts of pigment color paste and 20-30 parts of cosolvent;
step three, mixing the raw materials; sequentially adding the raw materials in the step two into a stirrer for mixing treatment, firstly stirring at a high speed of 800-;
step four, homogenizing and dispersing treatment: then ultrasonic oscillation treatment is carried out, the power of the ultrasonic oscillation is 50-100W, and the ultrasonic oscillation time is 10-20min, so as to obtain the water-based nano ceramic coating.
2. The production process of the water-based nano ceramic coating as claimed in claim 1, wherein the activated epoxy resin is irradiated by plasma for 10-20min at an irradiation power of 200-250W.
3. The production process of the water-based nano ceramic coating as claimed in claim 2, wherein the catalyst is one or more of triethylene diamine, diethylamine, stannous octoate and dibutyltin dilaurate.
4. The production process of the water-based nano ceramic coating as claimed in claim 1, wherein the functional auxiliary agent is composed of maleic anhydride, an anti-wear agent and ethylenediamine according to a weight ratio of 5:2: 1.
5. The production process of the water-based nano ceramic coating according to claim 4, wherein the preparation method of the wear-resisting agent comprises the following steps: grinding the diatomite to 40-100 meshes, then carrying out thermal activation treatment, then adding the diatomite into sodium citrate, carrying out ultrasonic dispersion for 10-20min at the ultrasonic power of 100-200W, washing with water after the ultrasonic treatment is finished, and drying again to obtain the wear-resistant agent.
6. The production process of the water-based nano ceramic coating as claimed in claim 5, wherein the thermal activation treatment is carried out by preheating at 50-100 ℃ for 10-20min, then raising the temperature to 210 ℃ at a rate of 1-5 ℃/min, and continuing to keep the temperature for 15-25 min.
7. The production process of the water-based nano ceramic paint according to claim 1, wherein the pigment color paste is one or a combination of water-based chrome green single color paste, water-based perylene black single color paste, water-based titanium white single color paste and water-based permanent yellow single color paste.
8. The production process of the water-based nano ceramic coating as claimed in claim 1, wherein the cosolvent is a mixture of sodium dodecyl sulfate and sodium chloride according to a weight ratio of (2-4) to 1.
9. The production process of the water-based nano ceramic paint as claimed in claim 8, wherein the cosolvent is a mixture of sodium dodecyl sulfate and sodium chloride in a weight ratio of 3: 1.
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| CN202011386299.0A CN112409829A (en) | 2020-12-02 | 2020-12-02 | Production process of water-based nano ceramic coating |
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| CN202011386299.0A CN112409829A (en) | 2020-12-02 | 2020-12-02 | Production process of water-based nano ceramic coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113416439A (en) * | 2021-08-12 | 2021-09-21 | 河北三棵树涂料有限公司 | Inorganic glaze coating and preparation method thereof |
| CN115678324A (en) * | 2022-11-30 | 2023-02-03 | 湖州市南浔区绿色家居产业研究院 | Wear-resistant floor coating and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104403382A (en) * | 2014-11-14 | 2015-03-11 | 曾锦秋 | Aqueous high-temperature-resistant enamel paint, and preparation method and construction method thereof |
| CN105440891A (en) * | 2015-12-25 | 2016-03-30 | 海南大学 | Anticorrosive coating and preparation method thereof |
| CN111073504A (en) * | 2019-12-27 | 2020-04-28 | 广东四方英特宝新材料科技有限公司 | Ceramic coating and preparation method thereof |
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2020
- 2020-12-02 CN CN202011386299.0A patent/CN112409829A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403382A (en) * | 2014-11-14 | 2015-03-11 | 曾锦秋 | Aqueous high-temperature-resistant enamel paint, and preparation method and construction method thereof |
| CN105440891A (en) * | 2015-12-25 | 2016-03-30 | 海南大学 | Anticorrosive coating and preparation method thereof |
| CN111073504A (en) * | 2019-12-27 | 2020-04-28 | 广东四方英特宝新材料科技有限公司 | Ceramic coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113416439A (en) * | 2021-08-12 | 2021-09-21 | 河北三棵树涂料有限公司 | Inorganic glaze coating and preparation method thereof |
| CN115678324A (en) * | 2022-11-30 | 2023-02-03 | 湖州市南浔区绿色家居产业研究院 | Wear-resistant floor coating and preparation method and application thereof |
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