CN111117400A - Preparation method of dustproof coating - Google Patents
Preparation method of dustproof coating Download PDFInfo
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- CN111117400A CN111117400A CN201911387366.8A CN201911387366A CN111117400A CN 111117400 A CN111117400 A CN 111117400A CN 201911387366 A CN201911387366 A CN 201911387366A CN 111117400 A CN111117400 A CN 111117400A
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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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
- C09D147/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Coating compositions based on derivatives of such polymers
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
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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
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- 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
- C09D5/1668—Vinyl-type polymers
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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
- C09D5/1656—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
- C09D5/1681—Antifouling coatings characterised by surface structure, e.g. for roughness effect giving superhydrophobic coatings or Lotus effect
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a preparation method of a dustproof coating, which comprises the following steps of S1, preparing raw materials, wherein the dustproof coating is divided into a medium base material and a resin oil emulsion mixture, acrylic resin pigment and filler are dispersed and pressed into pigment slurry, deionized water is added into the pigment slurry to dilute the pigment slurry into the medium base material, and the acrylic resin, organic silicon resin and organic silicon-acrylic resin form an oil/emulsion three-layered structure material through 80% of emulsification degree. The invention utilizes the bionic principle, utilizes the lotus leaf amphiphobic mechanism of the binary synergy of the nano materials of the nano silicon dioxide and the fumed silica, has lower surface tension, high adhesion capacity, high hardness and toughness of a paint film, excellent self-cleaning function, strong dust resistance and dirt resistance adhesion capacity, and improves the dust prevention effect in the air by combining two effective dust prevention means of reducing the surface energy and the nano surface.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a preparation method of a dustproof coating.
Background
Beautiful building outer walls in cities, bright colorful glass windows, glaring and flashing neon lamps, traffic road signs and warning signs on roads, large billboards, environment-friendly and pollution-free solar panels and the like can not be used in the open air for a long time, and the cleanness of the building outer walls, the bright colorful glass windows, the glaring and flashing neon lamps, the traffic road signs and the warning signs, the large billboards and the environment-friendly and pollution-free solar panels can not be kept, so that the integral aesthetic feeling and the definition are; meanwhile, a large amount of manpower and material resources are needed for cleaning the objects, and the problem is mainly solved by coating dustproof paint at present. The dustproof coating is a special coating and is characterized in that after the coating is formed into a film, the surface of the coating is not easy to be adhered by other viscous substances or is easy to remove after being adhered.
The traditional dustproof coating for buildings also has the problem that the dustproof performance cannot be further improved. Therefore, how to improve the defects of the traditional dustproof coating for buildings to improve the comprehensive performance is a problem to be solved urgently when the dustproof coating is popularized and applied to wider fields and meets the industrial production requirements.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a preparation method of a dustproof coating.
The invention provides a preparation method of a dustproof coating, which comprises the following steps:
s1: preparing raw materials: the dustproof coating comprises a medium base material and a resin oil emulsion mixture, wherein acrylic resin pigment filler is dispersed and pressed into pigment slurry, the pigment slurry is diluted into the medium base material by adding deionized water, and the acrylic resin, the organic silicon resin and the organic silicon-acrylic resin form an oil/emulsion three-layered structure material through 80% of emulsification degree;
s2: preparing a coating emulsion: adding a proper amount of curing agent into the medium base material and the three-layered structure material of the oil/emulsion, placing the mixture into a stirrer for stirring and mixing, and then filtering the mixture by using 200-300-mesh gauze to prepare hydrophobic coating emulsion;
s3: aging of the hydrophobic coating emulsion: standing for layering of the emulsion, removing a surface aging layer, adding part of modified fluorocarbon resin, a small amount of flatting agent and diluent, violently stirring and mixing the modified fluorocarbon resin and the hydrophobic coating emulsion, and adding a proper amount of deionized water according to the humidity and viscosity of the mixture;
s4: adding an antioxidant: and adding an antioxidant into the hydrophobic coating emulsion, and mixing to obtain the dustproof coating.
Preferably, the silicone resin in S1 includes nano-silica, fumed silica, fluorosilane, and a silane coupling agent, and the addition ratio of the nano-silica to the fumed silica is 2: 3.
preferably, the curing agent in S2 is one or more of an acrylic resin film former, a butadiene resin film former and a polyurethane film former.
Among them, the modified fluorocarbon resin in S3 is preferably an FEVE modified fluorocarbon type resin using Chlorotrifluoroethylene (CTFE) or Tetrafluoroethylene (TFE) as a fluorine-containing monomer.
Wherein, the antioxidant in S5 is preferably one or more of pentaerythrityl tetrakis [ β - (3.5-di-tert-butyl, 4-hydroxyphenyl) propionate ], octadecanol β - (3.5-di-tert-butyl, 4-hydroxyphenyl) propionate and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid.
The beneficial effects of the invention are as follows: the dustproof coating utilizes a bionic principle, utilizes a lotus leaf amphiphobic mechanism of binary synergy of nano materials of nano silicon dioxide and fumed silica, has low surface tension, high adhesion capacity, high paint film hardness, toughness, excellent self-cleaning function and strong dust and dirt resistance adhesion capacity, has Si-O bond energy far larger than C-C bond energy in organic silicon resin, small surface energy, good ultraviolet light resistance, weather resistance, dirt resistance, chemical medium resistance and other characteristics, simultaneously has excellent film forming property, adhesion property, gloss retention and flexibility of the organic silicon resin, combines the advantages of polyacrylate on the organic silicon resin, combines two dustproof effective means of reducing the surface energy and the nano surface, and improves the dustproof effect in the air.
Drawings
FIG. 1 is a flow chart of a method for preparing a dust-proof coating according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a method for preparing a dust-proof paint includes the following steps:
s1: preparing raw materials: the dustproof coating comprises a medium base material and a resin oil emulsion mixture, wherein acrylic resin pigment filler is dispersed and pressed into pigment slurry, the pigment slurry is diluted into the medium base material by adding deionized water, and the acrylic resin, the organic silicon resin and the organic silicon-acrylic resin form an oil/emulsion three-layered structure material through 80% of emulsification degree;
s2: preparing a coating emulsion: adding a proper amount of curing agent into the medium base material and the three-layered structure material of the oil/emulsion, placing the mixture into a stirrer for stirring and mixing, and then filtering the mixture by using 200-300-mesh gauze to prepare hydrophobic coating emulsion;
s3: aging of the hydrophobic coating emulsion: standing for layering of the emulsion, removing a surface aging layer, adding part of modified fluorocarbon resin, a small amount of flatting agent and diluent, violently stirring and mixing the modified fluorocarbon resin and the hydrophobic coating emulsion, and adding a proper amount of deionized water according to the humidity and viscosity of the mixture;
s4: adding an antioxidant: and adding an antioxidant into the hydrophobic coating emulsion, and mixing to obtain the dustproof coating.
In the invention, the organic silicon resin in S1 comprises nano silicon dioxide, gas-phase silicon dioxide, fluorosilane and silane coupling agent, the adding ratio of the nano silicon dioxide and the gas-phase silicon dioxide is 2: 3, the curing agent in S2 is one or more of an acrylic resin film-forming agent, a butadiene resin film-forming agent and a polyurethane film-forming agent, the modified fluorocarbon resin in S3 is FEVE modified fluorocarbon resin taking Chlorotrifluoroethylene (CTFE) or Tetrafluoroethylene (TFE) as a fluorine-containing monomer, and the antioxidant in S5 is one or more of tetra [ β - (3.5-di-tert-butyl, 4-hydroxyphenyl) propionic acid ] pentaerythritol, β - (3.5-di-tert-butyl, 4-hydroxyphenyl) propionic acid octadecyl ester and 1,3, 5-tri (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The preparation method of the dustproof coating is characterized by comprising the following steps:
s1: preparing raw materials: the dustproof coating comprises a medium base material and a resin oil emulsion mixture, wherein acrylic resin pigment filler is dispersed and pressed into pigment slurry, the pigment slurry is diluted into the medium base material by adding deionized water, and the acrylic resin, the organic silicon resin and the organic silicon-acrylic resin form an oil/emulsion three-layered structure material through 80% of emulsification degree;
s2: preparing a coating emulsion: adding a proper amount of curing agent into the medium base material and the three-layered structure material of the oil/emulsion, placing the mixture into a stirrer for stirring and mixing, and then filtering the mixture by using 200-300-mesh gauze to prepare hydrophobic coating emulsion;
s3: aging of the hydrophobic coating emulsion: standing for layering of the emulsion, removing a surface aging layer, adding part of modified fluorocarbon resin, a small amount of flatting agent and diluent, violently stirring and mixing the modified fluorocarbon resin and the hydrophobic coating emulsion, and adding a proper amount of deionized water according to the humidity and viscosity of the mixture;
s4: adding an antioxidant: and adding an antioxidant into the hydrophobic coating emulsion, and mixing to obtain the dustproof coating.
2. The method according to claim 1, wherein the silicone resin in S1 comprises nano-silica, fumed silica, fluorosilane, and a silane coupling agent, and the nano-silica and fumed silica are added in a ratio of 2: 3.
3. the method for preparing a dustproof coating according to claim 1, wherein the curing agent in S2 is one or more of an acrylic resin film former, a butadiene resin film former and a polyurethane film former.
4. The method of claim 1, wherein the modified fluorocarbon resin in S3 is a FEVE modified fluorocarbon resin with Chlorotrifluoroethylene (CTFE) or Tetrafluoroethylene (TFE) as a fluorine-containing monomer.
5. The method of claim 1, wherein the antioxidant in S5 is one or more of pentaerythrityl tetrakis [ β - (3.5-di-tert-butyl, 4-hydroxyphenyl) propionate ], octadecyl β - (3.5-di-tert-butyl, 4-hydroxyphenyl) propionate, and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid.
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CN201911387366.8A CN111117400A (en) | 2019-12-28 | 2019-12-28 | Preparation method of dustproof coating |
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CN107267030A (en) * | 2017-07-26 | 2017-10-20 | 弘大科技(北京)股份公司 | A kind of super hydrophobic coating and its preparation and construction method |
CN107556856A (en) * | 2016-06-27 | 2018-01-09 | 上海瞳尧新材料科技有限公司 | A kind of nano-antibacterial antifouling paint |
CN108034311A (en) * | 2017-10-31 | 2018-05-15 | 江苏省农业科学院 | A kind of hydrophobic dirt resistance coatings of greenhouse film and its preparation method and application |
CN108774460A (en) * | 2018-04-27 | 2018-11-09 | 江南大学 | A kind of fragrant slow release automatic cleaning coating and its preparation method and application based on strawberry type microcapsules |
CN108929100A (en) * | 2018-09-10 | 2018-12-04 | 南京倍立达欧陆装饰艺术工程有限公司 | A kind of magnesite flooring products and preparation method thereof |
CN110105824A (en) * | 2019-04-04 | 2019-08-09 | 东南大学 | A kind of high abrasion super-amphiphobic nano coating and preparation method thereof |
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2019
- 2019-12-28 CN CN201911387366.8A patent/CN111117400A/en active Pending
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CN108929100A (en) * | 2018-09-10 | 2018-12-04 | 南京倍立达欧陆装饰艺术工程有限公司 | A kind of magnesite flooring products and preparation method thereof |
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