CN111410910A - Antifouling self-cleaning coating and preparation method thereof - Google Patents
Antifouling self-cleaning coating and preparation method thereof Download PDFInfo
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- CN111410910A CN111410910A CN202010425864.3A CN202010425864A CN111410910A CN 111410910 A CN111410910 A CN 111410910A CN 202010425864 A CN202010425864 A CN 202010425864A CN 111410910 A CN111410910 A CN 111410910A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- 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
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses an antifouling self-cleaning coating and a preparation method thereof, wherein the antifouling self-cleaning coating comprises the following components in parts by weight: 40-60 parts of fluorine-silicon emulsion, 10-20 parts of pure acrylic emulsion, 3-6 parts of diatomite powder, 0.5-1 part of dispersing agent, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of flatting agent, 10-20 parts of pigment and filler, 2-3 parts of film-forming assistant, 2-3 parts of waterproofing agent and 10-20 parts of nano ceramic particles. The invention realizes the long-acting antifouling self-cleaning effect of the coating and slows down the aging after the coating is used.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to an antifouling self-cleaning coating and a preparation method thereof.
Background
In recent years, the concept of self-cleaning is receiving more and more attention and research, self-cleaning paint also becomes a research hotspot of the architectural paint industry, and the product thereof is greatly accepted and favored by the market. The dirt resistance is an important index for evaluating the quality of the building coating, and has a great relationship with the property, surface energy, surface roughness and the like of the coating. The paint with low surface energy and super-hydrophobic property can reduce the retention time of moisture and dust on the surface of the coating, reduce the reaction probability of the surface of the paint and chemical substances in water or dirt, reduce the drag and has a self-cleaning function.
The traditional antifouling paint, such as latex paint, has the characteristics of good decoration, low cost and convenient construction, but because the paint film is loose, a real compact paint film cannot be formed, and the paint film has air permeability, the good antifouling effect cannot be achieved; with the long ultraviolet irradiation time, the organic components in the coating are catalytically decomposed, which causes aging phenomena such as yellowing, pulverization, cracking, transparency reduction and the like, and the service life of the coating faces a great challenge.
Disclosure of Invention
The invention aims to solve the technical problems and provides an antifouling self-cleaning paint and a preparation method thereof, so that the long-acting antifouling self-cleaning effect of the paint is realized, and the aging is slowed down after the paint is used. In order to achieve the purpose, the technical scheme of the invention is as follows:
the antifouling self-cleaning coating comprises the following components in parts by weight: 40-60 parts of fluorine-silicon emulsion, 10-20 parts of pure acrylic emulsion, 3-6 parts of diatomite powder, 0.5-1 part of dispersing agent, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of flatting agent, 10-20 parts of pigment and filler, 2-3 parts of film-forming assistant, 2-3 parts of waterproofing agent and 10-20 parts of nano ceramic particles.
Specifically, the dispersing agent is sodium polyacrylate.
Specifically, the defoaming agent is tributyl phosphate.
Specifically, the leveling agent is polysiloxane.
Specifically, the film-forming assistant is methyl pyrrolidone.
Specifically, the waterproof agent is sodium stearate.
Specifically, the nano ceramic particles comprise mixed particles of nano zirconia, nano alumina and nano titania, wherein the weight ratio of the nano zirconia to the nano alumina to the nano titania is 2: 3: 5.
specifically, the pigment filler comprises one or more of titanium dioxide, barium sulfate and calcium sulfate.
The preparation method of the antifouling self-cleaning paint comprises the following steps,
1) mixing the fluorosilicone emulsion and partial dispersant in a dispersing machine according to the proportion of the components, adding the nano ceramic particles, the pigment and filler, the film forming assistant, the waterproof agent and the flatting agent, and mixing and stirring uniformly;
2) and adding the pure acrylic emulsion, the diatomite powder, the rest dispersing agent and the defoaming agent again, and mixing and stirring uniformly.
Specifically, the pigment filler and the diatomite powder are ground in advance, and the ground particles are not more than 20 microns in diameter.
Compared with the prior art, the antifouling self-cleaning coating and the preparation method thereof have the beneficial effects that:
the antifouling self-cleaning coating has excellent water resistance, antifouling performance and better bonding strength, the nano ceramic particles are mixed with the pigment and the filler, and the fluorine-silicon emulsion forms a compact surface layer of the coating, so that the antifouling capacity is improved; after the coating is used, the coating is not easy to crack, does not change color, and is long-acting and durable.
Detailed Description
The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1:
the pigment filler (titanium dioxide) and the diatomite powder are ground in advance, and the ground particles are 20 mu m in diameter; 40kg of fluorine-silicon emulsion and 0.25kg of dispersing agent (sodium polyacrylate) are uniformly mixed in a dispersing machine, 10kg of nano ceramic particles (2 kg of nano zirconia, 3kg of nano alumina and 5kg of nano titanium dioxide), 20kg of pigment and filler, 3kg of film-forming additive (methyl pyrrolidone), 2kg of waterproofing agent (sodium stearate) and 0.5kg of flatting agent (polysiloxane) are added and uniformly mixed; adding 20kg of pure acrylic emulsion, 3kg of diatomite powder, 0.25kg of dispersing agent (sodium polyacrylate) and 0.5kg of defoaming agent (tributyl phosphate) to be mixed and stirred uniformly to obtain the antifouling self-cleaning coating.
Example 2:
pigment filler (barium sulfate) and diatomite powder are ground in advance, and the grinding particles are ground to be 18 mu m in diameter; 60kg of fluorine-silicon emulsion and 0.5kg of dispersing agent (sodium polyacrylate) are uniformly mixed in a dispersing machine, 20kg of nano ceramic particles (4 kg of nano zirconia, 6kg of nano alumina and 10kg of nano titanium dioxide), 10kg of pigment and filler, 2kg of film-forming additive (methyl pyrrolidone), 3kg of waterproofing agent (sodium stearate) and 0.3kg of flatting agent (polysiloxane) are added and uniformly mixed; adding 10kg of pure acrylic emulsion, 6kg of diatomite powder, 0.5kg of dispersing agent (sodium polyacrylate) and 0.2kg of defoaming agent (tributyl phosphate) to be mixed and stirred uniformly to obtain the antifouling self-cleaning coating.
Example 3:
pigment filler (calcium sulfate) and diatomite powder are ground in advance, and the ground particles are 15 mu m in diameter; taking 50kg of fluorine-silicon emulsion and 0.35kg of dispersing agent (sodium polyacrylate) to be uniformly mixed in a dispersing machine, adding 15kg of nano ceramic particles (3 kg of nano zirconia, 4.5kg of nano alumina and 7.5kg of nano titanium dioxide), 15kg of pigment and filler, 2.5kg of film-forming additive (methyl pyrrolidone), 2.5kg of waterproofing agent (sodium stearate) and 0.4kg of flatting agent (polysiloxane) to be uniformly mixed; adding 15kg of pure acrylic emulsion, 4.5kg of diatomite powder, 0.35kg of dispersing agent (sodium polyacrylate) and 0.4kg of defoaming agent (tributyl phosphate) to be mixed and stirred uniformly to obtain the antifouling self-cleaning coating.
Example 4:
on the basis of the embodiment 3, the difference lies in that the pigment and filler is a mixture of titanium dioxide, barium sulfate and calcium sulfate, and the weight ratio of the titanium dioxide, the barium sulfate and the calcium sulfate is 1: 1: 2.
the coatings prepared in examples 1-4 were tested for performance and the results are given in the following table:
when the embodiment is applied, the antifouling self-cleaning coating has excellent water resistance, antifouling performance and better bonding strength, the nano ceramic particles are mixed with pigments and fillers to form a compact surface layer of the coating, so that the antifouling capacity is improved, and in the embodiment 4, the proportion reaches the optimal test; after the coating is used, the coating is not easy to crack, does not change color, and is long-acting and durable.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The antifouling self-cleaning coating is characterized by comprising the following components in parts by weight: 40-60 parts of fluorine-silicon emulsion, 10-20 parts of pure acrylic emulsion, 3-6 parts of diatomite powder, 0.5-1 part of dispersing agent, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of flatting agent, 10-20 parts of pigment and filler, 2-3 parts of film-forming assistant, 2-3 parts of waterproofing agent and 10-20 parts of nano ceramic particles.
2. The antifouling self-cleaning coating according to claim 1, wherein: the dispersant is sodium polyacrylate.
3. The antifouling self-cleaning coating according to claim 1, wherein: the defoaming agent is tributyl phosphate.
4. The antifouling self-cleaning coating according to claim 1, wherein: the leveling agent is polysiloxane.
5. The antifouling self-cleaning coating according to claim 1, wherein: the film-forming assistant is methyl pyrrolidone.
6. The antifouling self-cleaning coating according to claim 1, wherein: the waterproof agent is sodium stearate.
7. The antifouling self-cleaning coating according to claim 1, wherein: the nano ceramic particles comprise mixed particles of nano zirconia, nano alumina and nano titania, wherein the weight ratio of the nano zirconia to the nano alumina to the nano titania is 2: 3: 5.
8. the antifouling self-cleaning coating according to claim 1, wherein: the pigment and filler comprises one or more of titanium dioxide, barium sulfate and calcium sulfate.
9. The preparation method of the antifouling self-cleaning paint is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
1) mixing the fluorosilicone emulsion and partial dispersant in a dispersing machine according to the proportion of the components, adding the nano ceramic particles, the pigment and filler, the film forming assistant, the waterproof agent and the flatting agent, and mixing and stirring uniformly;
2) and adding the pure acrylic emulsion, the diatomite powder, the rest dispersing agent and the defoaming agent again, and mixing and stirring uniformly.
10. The method for preparing an antifouling self-cleaning coating according to claim 9, wherein: the pigment filler and the diatomite powder are ground in advance, and the grinding particles are ground to the diameter of not more than 20 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425864.3A CN111410910A (en) | 2020-05-19 | 2020-05-19 | Antifouling self-cleaning coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425864.3A CN111410910A (en) | 2020-05-19 | 2020-05-19 | Antifouling self-cleaning coating and preparation method thereof |
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| CN111410910A true CN111410910A (en) | 2020-07-14 |
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| CN202010425864.3A Pending CN111410910A (en) | 2020-05-19 | 2020-05-19 | Antifouling self-cleaning coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114133797A (en) * | 2021-12-30 | 2022-03-04 | 王永勤 | Super-hydrophobic antifouling paint composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355264A (en) * | 2001-12-13 | 2002-06-26 | 复旦大学 | Process for preparing self-cleaning bionic organic paint with lotus leaf function of external wall of building |
| CN102627895A (en) * | 2012-03-29 | 2012-08-08 | 黑龙江省玉琦装饰涂料有限公司 | Multifunctional dustproof self-cleaning wall paint |
| CN104673031A (en) * | 2015-02-04 | 2015-06-03 | 张泽荣 | Coating material for inorganic non-metallic or metallic surfaces |
| CN105131772A (en) * | 2015-09-06 | 2015-12-09 | 天长市银狐漆业有限公司 | Self-cleaning antifouling inter wall paint |
-
2020
- 2020-05-19 CN CN202010425864.3A patent/CN111410910A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355264A (en) * | 2001-12-13 | 2002-06-26 | 复旦大学 | Process for preparing self-cleaning bionic organic paint with lotus leaf function of external wall of building |
| CN102627895A (en) * | 2012-03-29 | 2012-08-08 | 黑龙江省玉琦装饰涂料有限公司 | Multifunctional dustproof self-cleaning wall paint |
| CN104673031A (en) * | 2015-02-04 | 2015-06-03 | 张泽荣 | Coating material for inorganic non-metallic or metallic surfaces |
| CN105131772A (en) * | 2015-09-06 | 2015-12-09 | 天长市银狐漆业有限公司 | Self-cleaning antifouling inter wall paint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114133797A (en) * | 2021-12-30 | 2022-03-04 | 王永勤 | Super-hydrophobic antifouling paint composition |
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