WO2019062083A1 - Couche de revêtement superhydrophobe, son procédé de préparation et son application - Google Patents

Couche de revêtement superhydrophobe, son procédé de préparation et son application Download PDF

Info

Publication number
WO2019062083A1
WO2019062083A1 PCT/CN2018/083684 CN2018083684W WO2019062083A1 WO 2019062083 A1 WO2019062083 A1 WO 2019062083A1 CN 2018083684 W CN2018083684 W CN 2018083684W WO 2019062083 A1 WO2019062083 A1 WO 2019062083A1
Authority
WO
WIPO (PCT)
Prior art keywords
superhydrophobic coating
coating
substrate
self
superhydrophobic
Prior art date
Application number
PCT/CN2018/083684
Other languages
English (en)
Chinese (zh)
Inventor
刘若鹏
赵治亚
肖成伟
Original Assignee
洛阳尖端技术研究院
洛阳尖端装备技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 洛阳尖端技术研究院, 洛阳尖端装备技术有限公司 filed Critical 洛阳尖端技术研究院
Publication of WO2019062083A1 publication Critical patent/WO2019062083A1/fr

Links

Images

Classifications

    • 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
    • C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
    • C03C17/007—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character containing a dispersed phase, e.g. particles, fibres or flakes, in a continuous phase
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
    • C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
    • C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
    • 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
    • C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
    • 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
    • C09D183/02—Polysilicates
    • 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
    • C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
    • 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
    • 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
    • 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
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/28—Nitrogen-containing compounds
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond

Definitions

  • the present invention relates to hydrophobic materials and, more particularly, to superhydrophobic coatings having self-cleaning properties, and methods of making and using same.
  • the invention discloses a superhydrophobic coating with self-cleaning properties.
  • the invention improves the self-cleaning effect of the super-hydrophobic coating layer under the low cost condition, has strong durability, and has simple preparation process, and is favorable for large-area production preparation.
  • the invention provides a method for preparing a superhydrophobic coating comprising: adding fluorine-containing silicon polyacrylate (FSiPA), tetraethyl orthosilicate (TEOS), methyltriethoxysilane (MTES), to a vessel, Ethanol and aqueous ammonia are used to obtain a mixed solution; the mixed liquid is reacted to obtain a hybrid emulsion; and the hybrid emulsion is sprayed on the surface of the substrate and dried to obtain the superhydrophobic coating.
  • FSiPA fluorine-containing silicon polyacrylate
  • TEOS tetraethyl orthosilicate
  • MTES methyltriethoxysilane
  • the fluorine-containing polyacrylic acid ester accounts for 5% to 25% by mass in the mixed liquid.
  • the ratio of the amounts of the substances of tetraethyl orthosilicate, methyltriethoxysilane, ethanol and aqueous ammonia is 1:3-7:40-60:5-15.
  • the ratio of the amounts of the substances of tetraethyl orthosilicate, methyltriethoxysilane, ethanol and aqueous ammonia is 1:5:50:10.
  • the superhydrophobic coating layer has a thickness of 0.1 to 0.5 mm.
  • the substrate is a glass substrate.
  • the present invention also provides a superhydrophobic coating prepared according to the above method.
  • the invention also provides a glass, wherein the glass comprises the superhydrophobic coating described above.
  • the present invention also provides an anti-icing device, wherein the anti-icing device comprises the superhydrophobic coating described above.
  • the present invention also provides a self-cleaning device, wherein the self-cleaning device comprises the superhydrophobic coating described above.
  • the invention also provides the above-mentioned application of the superhydrophobic coating in the fields of automobile, building materials, lamps, glass, ceramics, stainless steel, aluminum alloy, solar photovoltaic, aerospace.
  • the invention improves the self-cleaning effect and durability performance of the hydrophobic coating, and can be directly sprayed on the surface of the substrate without heating and curing, and has the characteristics of simple manufacturing process and large-area preparation.
  • the FSiPA used in the present invention can help the coating to form a film well, thereby enhancing the durability of the coating without adversely affecting the hydrophobicity of the coating.
  • the addition of TEOS helps to increase the roughness of the coating on the surface of the substrate, thereby increasing the hydrophobicity of the coating and achieving self-cleaning.
  • the MTES can hydrophobically modify the SiO 2 particles produced by TEOS hydrolysis, which helps to improve the hydrophobic properties of the coating.
  • 1 is a schematic flow chart showing the preparation of a superhydrophobic coating having self-cleaning properties according to the present invention, wherein 1 is a SiO 2 /fluorosilicon polyacrylate hybrid emulsion, 2 is a spray gun, 3 is a substrate, and 4 is A superhydrophobic coating formed on the substrate.
  • the coating of the present invention is prepared by preparing a fluorine-containing silicone polyacrylate (FSiPA) by semi-continuous seed emulsion polymerization; a certain amount of FSiPA, tetraethyl orthosilicate (TEOS), methyltriethoxy Silane (MTES), ethanol and ammonia are mixed uniformly to obtain a mixed solution, and the mixed solution is reacted to obtain a SiO 2 /fluorosilicon polyacrylate hybrid emulsion; the hybrid emulsion is uniformly sprayed on the substrate to maintain the nozzle and the substrate of the spray gun.
  • the distance is 15-30cm, and a super-hydrophobic coating with self-cleaning properties can be obtained after the surface of the substrate is dried.
  • the thickness of the coating is controlled from 0.1 mm to 0.5 mm.
  • a SiO 2 /fluorosilicon polyacrylate hybrid emulsion 1 is sprayed on a substrate 3 via a spray gun 2, and dried to obtain a superhydrophobic coating 4. After that, an ultraviolet aging test, a contact angle test, and the like can be performed.
  • the tetraethyl orthosilicate (TEOS), methyltriethoxysilane (MTES), ethanol, and ammonia water used in the present invention all reach an analytical grade.
  • the amount of FSiPA used affects the film-forming properties of the coating and the contact angle of the coating with water (WCA).
  • the SiO 2 particles produced by the hydrolysis of TEOS can build a micro/nano structure on the surface of the substrate, thereby increasing the surface of the material.
  • the degree of roughness; the addition of FSiPA can improve the bonding performance between the hydrophobic SiO 2 particles, that is, the addition of FSiPA can embed the SiO 2 particles into the latex film formed by FSiPA, so that the film forming performance of the coating is greatly improved.
  • the excessive amount of FSiPA will reduce the roughness of the coating surface. Since the surface roughness is one of the important factors that make the coating superhydrophobic, the hydrophobicity of the coating is degraded.
  • the ratio of TEOS to MTES has an effect on the hydrophobic properties of the coating. This is because MTES can hydrophobically modify the SiO 2 particles produced by TEOS hydrolysis, which helps to improve the hydrophobic properties of the coating.
  • the ratio of FSIPA to the weight ratio in the mixed solution is 5% to 25%, and the ratio of the amount of the material of tetraethyl orthosilicate (TEOS), methyltriethoxysilane (MTES), ethanol, and ammonia is used. It is 1:3-7:40-60:5-15.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to the three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 15%, TEOS, MTES, C 2 H 5 OH
  • the ratio of the amount of the substance to NH 3 ⁇ H 2 O is 1:3:50:10.
  • the mixture was stirred at 300 r/min. After 6 h of reaction, a hybrid emulsion was obtained.
  • the emulsion was sprayed on the surface of a clean and dry glass substrate, and the distance between the nozzle of the spray gun and the substrate was kept at 25 cm. After drying for 24 h, a superhydrophobic coating with self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to the three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 15%, TEOS, MTES, C 2 H 5 OH
  • the ratio of the amount of the substance to NH 3 ⁇ H 2 O is 1:5:50:8.
  • the mixture was stirred at 200 r/min.
  • a hybrid emulsion was obtained.
  • the emulsion was sprayed on the surface of a clean and dry glass substrate, and the distance between the nozzle of the spray gun and the substrate was kept at 25 cm. After drying for 24 h, a superhydrophobic coating with self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to the three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 5%, TEOS, MTES, C 2 H 5 OH
  • the ratio of the amount of the substance to NH 3 ⁇ H 2 O is 1:4:40:5.
  • the mixture was stirred at 250 r/min, and after 5 h of reaction, a hybrid emulsion was obtained.
  • the emulsion was sprayed on the surface of a clean and dry glass substrate, and the distance between the nozzle of the spray gun and the substrate was kept at 20 cm, and placed at room temperature. After drying for 18 h, a superhydrophobic coating with self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to the three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 20%, TEOS, MTES, C 2 H 5 OH
  • the ratio of the amount of the substance to NH 3 ⁇ H 2 O is 1:5:45:10.
  • the mixture was stirred at 350 r/min.
  • a hybrid emulsion was obtained.
  • the emulsion was sprayed on the surface of a clean and dry glass substrate, and the distance between the nozzle of the spray gun and the substrate was kept at 15 cm. After drying for 12 h, a superhydrophobic coating with self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to the three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 10%, TEOS, MTES, C 2 H 5 OH
  • the ratio of the amount of the substance to NH 3 ⁇ H 2 O is 1:6:55:13.
  • stir the mixture at 400r/min stir the mixture at 400r/min, and obtain a hybrid emulsion after 5h reaction.
  • Spray the emulsion on the surface of the clean and dry glass substrate keep the distance between the nozzle of the spray gun and the substrate at 30cm, and put it at room temperature. After drying for 32 h, a superhydrophobic coating with self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to the three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 25%, TEOS, MTES, C 2 H 5 OH
  • the ratio of the amount of the substance to NH 3 ⁇ H 2 O is 1:7:60:15.
  • the mixture was stirred at 300 r/min. After 6.5 hours, a hybrid emulsion was obtained.
  • the emulsion was sprayed on the surface of a clean, dry glass substrate, and the distance between the nozzle of the spray gun and the substrate was kept at 25 cm. After drying for 36 h, a superhydrophobic coating having a self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Quantitative FSiPA emulsion, TEOS, MTES, C 2 H 5 OH and NH 3 ⁇ H 2 O were added to a three-necked flask to obtain a mixed solution.
  • the weight content of the FSiPA emulsion was 0, TEOS, MTES, C 2 H 5 OH and The ratio of the amount of the substance of NH 3 ⁇ H 2 O is 1:5:50:10.
  • the mixture was stirred at 300 r/min. After 6.5 hours, a hybrid emulsion was obtained.
  • the emulsion was sprayed on the surface of a clean, dry glass substrate, and the distance between the nozzle of the spray gun and the substrate was kept at 25 cm. After drying for 36 h, a hydrophobic coating having a self-cleaning effect can be obtained on the surface of the glass substrate after the surface is completely dried.
  • Example 7 is taken as a comparative example, and other embodiments are all parallel examples.
  • the contact angle of the hydrophobic coating obtained in the above Examples 1-7 was measured, and the contact angle of the coating was measured by a contact angle tester, and the test sample was fixed on the horizontal sample table using a double-sided tape, using a micro sampler.
  • a water droplet having a volume of 5 ⁇ L was dropped on the surface of the coating, and the static contact angle of the surface of the sample was measured using a contact angle tester, and the average of the contact angles at five different points on the surface of the sample was used as a measurement result.
  • the self-cleaning effect of the coating can also be tested by toner simulated contaminants. Specifically, the toner is evenly spread on the surface of the coating to observe whether the water droplets can freely roll and whether the carbon powder on the surface of the coating can be removed by the water droplets. If possible, indicate a good self-cleaning effect.
  • test sample was placed in an ultraviolet aging test chamber for the aging test, and the aging time was set to 480 h.
  • the contact angle was measured again after the aging test was completed, and it was observed whether there was a significant detachment or cracking phenomenon.
  • Table 1 below shows data such as contact angles of the hydrophobic coatings obtained in Examples 1-7.
  • the superhydrophobic coating prepared by the present invention has a contact angle of more than 135° and both have good self-cleaning effects.
  • the coating obtained in the other examples did not show obvious peeling or cracking, and the contact angle after aging was still above 130°, and
  • the superhydrophobic coating prepared in Examples 1-6 of the present invention had a small change in the contact angle before and after aging, but the contact angle of the hydrophobic coating prepared in the comparative example (i.e., Example 7) before and after aging was remarkable.
  • the invention improves the self-cleaning effect and durability of the hydrophobic coating, and can be directly sprayed on the surface of the substrate without heat curing, and has the characteristics of simple manufacturing process and large-area preparation.
  • the 5% to 25% FSiPA used in the present invention can help the coating to form a film well, thereby enhancing the durability of the coating without adversely affecting the hydrophobicity of the coating.
  • the addition of TEOS helps to increase the roughness of the coating on the surface of the substrate, thereby increasing the hydrophobicity of the coating and achieving self-cleaning.
  • the MTES can hydrophobically modify the SiO 2 particles produced by TEOS hydrolysis, which helps to improve the hydrophobic properties of the coating.
  • the invention also provides a glass, wherein the glass comprises the superhydrophobic coating described above.
  • the present invention also provides an anti-icing device, wherein the anti-icing device comprises the superhydrophobic coating described above.
  • the present invention also provides a self-cleaning device, wherein the self-cleaning device comprises the superhydrophobic coating described above.
  • the invention also provides the above-mentioned application of the super-hydrophobic coating in the fields of automobiles, building materials, lamps, glass, ceramics, stainless steel, aluminum alloy, solar photovoltaic, aerospace, but not limited to the applications in the above fields, and further, the application to the present Products that invent superhydrophobic coatings include, but are not limited to, aircraft anti-icing components, self-cleaning curtain walls, self-cleaning glass, anti-fogging glass, anti-corrosion steel, anti-fouling ceramics, self-cleaning coatings, etc., which can significantly improve the anti-fouling of materials. , anti-corrosion and anti-icing properties.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne une couche de revêtement superhydrophobe ayant une capacité d'auto-nettoyage, le procédé de préparation consistant à : ajouter du polyacrylate de silicium contenant du fluor, de l'orthosilicate de tétraéthyle, du méthyltriéthoxysilane, de l'éthanol et de l'eau ammoniacale dans un récipient pour obtenir un liquide mélangé, et faire réagir le liquide mélangé pour obtenir une émulsion hybride (1) ; pulvériser l'émulsion hybride sur une surface (3) d'un substrat au moyen d'un pistolet de pulvérisation (2) ; sécher pour obtenir une couche de revêtement superhydrophobe (4).
PCT/CN2018/083684 2017-09-28 2018-04-19 Couche de revêtement superhydrophobe, son procédé de préparation et son application WO2019062083A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710898075.XA CN109575738A (zh) 2017-09-28 2017-09-28 超疏水涂层及其制备方法和应用
CN201710898075.X 2017-09-28

Publications (1)

Publication Number Publication Date
WO2019062083A1 true WO2019062083A1 (fr) 2019-04-04

Family

ID=65900504

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/083684 WO2019062083A1 (fr) 2017-09-28 2018-04-19 Couche de revêtement superhydrophobe, son procédé de préparation et son application

Country Status (2)

Country Link
CN (1) CN109575738A (fr)
WO (1) WO2019062083A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110344255A (zh) * 2019-08-19 2019-10-18 南京工程学院 一种耐弯折超疏水棉及其制备方法
CN110987930B (zh) * 2019-12-21 2022-09-20 青岛科技大学 一种超疏水高分子材料表面自清洁行为的可视化表征方法
CN115286996B (zh) * 2022-08-31 2023-04-07 青岛科技大学 一种超疏水有机硅涂层及其制备方法与应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000917A1 (fr) * 1995-06-23 1997-01-09 Minnesota Mining And Manufacturing Company Compositions fluorochimiques aqueuses et revetements resistant a l'abrasion obtenus a l'aide de ces compositions
WO2004108855A1 (fr) * 2003-06-09 2004-12-16 Daikin Industries, Ltd. Agent de traitement de surface fluorochimique contenant silicium
CN101899251A (zh) * 2010-08-10 2010-12-01 上海琥达投资发展有限公司 复合材料卫生洁具表面涂装用涂料及其制备方法
CN103288364A (zh) * 2012-12-18 2013-09-11 杭州师范大学 一种玻璃超疏水表面的制备方法
CN104877089A (zh) * 2015-05-08 2015-09-02 中山职业技术学院 一种改性含氟丙烯酸超疏水树脂乳液的制备方法
CN106928844A (zh) * 2017-01-15 2017-07-07 杭州师范大学 一种含氟超疏水有机硅涂层复合物及其制备方法
CN107083088A (zh) * 2017-05-17 2017-08-22 中科院广州化学有限公司南雄材料生产基地 一种有机氟硅杂化无机硅酸盐涂料及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102660182A (zh) * 2012-03-07 2012-09-12 中国科学院化学研究所 一种超疏水、低粘附纳米复合防覆冰涂料
CN103818069B (zh) * 2012-11-16 2016-04-27 无锡市顺业科技有限公司 一种超疏水涂层的制备方法
CN106752606B (zh) * 2016-11-18 2019-04-02 福建师范大学 一种水性氟硅丙烯酸涂料及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000917A1 (fr) * 1995-06-23 1997-01-09 Minnesota Mining And Manufacturing Company Compositions fluorochimiques aqueuses et revetements resistant a l'abrasion obtenus a l'aide de ces compositions
WO2004108855A1 (fr) * 2003-06-09 2004-12-16 Daikin Industries, Ltd. Agent de traitement de surface fluorochimique contenant silicium
CN101899251A (zh) * 2010-08-10 2010-12-01 上海琥达投资发展有限公司 复合材料卫生洁具表面涂装用涂料及其制备方法
CN103288364A (zh) * 2012-12-18 2013-09-11 杭州师范大学 一种玻璃超疏水表面的制备方法
CN104877089A (zh) * 2015-05-08 2015-09-02 中山职业技术学院 一种改性含氟丙烯酸超疏水树脂乳液的制备方法
CN106928844A (zh) * 2017-01-15 2017-07-07 杭州师范大学 一种含氟超疏水有机硅涂层复合物及其制备方法
CN107083088A (zh) * 2017-05-17 2017-08-22 中科院广州化学有限公司南雄材料生产基地 一种有机氟硅杂化无机硅酸盐涂料及其制备方法和应用

Also Published As

Publication number Publication date
CN109575738A (zh) 2019-04-05

Similar Documents

Publication Publication Date Title
JP7381173B2 (ja) 超疎水コーティング層およびその作製方法と使用
Rao et al. Mechanically stable and corrosion resistant superhydrophobic sol–gel coatings on copper substrate
CN105440747B (zh) 一种超疏水纳米涂料、制作方法及超疏水纳米涂料涂布
CN102849962B (zh) 一种二氧化硅超疏水薄膜的制备方法及一种超疏水材料
WO2019062083A1 (fr) Couche de revêtement superhydrophobe, son procédé de préparation et son application
CN104910656B (zh) 一种以复合硅源制备超疏水二氧化硅粉体及超疏水涂层的方法
CN110157225B (zh) 一种金属表面石墨烯-抗菌防污防腐蚀复合涂层的制备方法
CN101407646B (zh) 一种透明疏水膜溶胶及其配制方法和镀制疏水膜方法
WO2020057174A1 (fr) Matériau composite au sol d'alumine-silane, son procédé de préparation et son application
CN103771727A (zh) 减反射玻璃基板及其制法和用途
CN101555385B (zh) 一种水稀释型有机硅涂料及其制备方法
Xu et al. Corrosion and fouling behaviors of phosphatized Q235 carbon steel coated with fluorinated polysiloxane coating
CN105038338B (zh) 透明超疏水喷剂及其制备方法和应用
CN108912754A (zh) 一种超疏水SiO2纳米功能液的制备方法及应用
Peng et al. Performance evaluation of mercapto functional hybrid silica sol–gel coating on copper surface
CN114369403B (zh) 基于Poss杂化分子/有机硅的高耐磨超疏水涂层在玻璃上的应用
CN104893368A (zh) 包覆改性铝粉颜料、制备方法和用途
CN108485393A (zh) 疏水疏油涂料
CN108384443B (zh) 有机/无机杂化超疏水涂料及其制备方法和应用
CN110628253A (zh) 一种环保型超疏水防污涂料及其制备方法
CN108299913B (zh) 一种疏水涂层材料及疏水涂层
TW201906953A (zh) 組成物以及將其硬化而成的膜
JP3938352B2 (ja) 亜鉛粉末含有スラリー及び水系コーティング材
CN108314949B (zh) 一种含纳米二氧化钛的超疏水表面涂层材料及其制备方法
CN110386761A (zh) 一种具有高透光率的超疏水减反射涂层的制备方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18863049

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18863049

Country of ref document: EP

Kind code of ref document: A1