CN109575738A - Super-hydrophobic coat and its preparation method and application - Google Patents
Super-hydrophobic coat and its preparation method and application Download PDFInfo
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- CN109575738A CN109575738A CN201710898075.XA CN201710898075A CN109575738A CN 109575738 A CN109575738 A CN 109575738A CN 201710898075 A CN201710898075 A CN 201710898075A CN 109575738 A CN109575738 A CN 109575738A
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- 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
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- 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
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- 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
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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
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy 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
- 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
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- 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
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- 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
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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
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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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- 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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- 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
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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
- 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
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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
- C08K3/28—Nitrogen-containing compounds
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- 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
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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
- 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
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Abstract
The present invention provides super-hydrophobic coats for having self-cleaning performance and its preparation method and application, preparation method includes: that fluorine silicon polyacrylate (FSiPA), ethyl orthosilicate (TEOS), methyltriethoxysilane (MTES), ethyl alcohol and ammonium hydroxide are added in a reservoir, obtains mixed liquor；Mixed liquor reacts to obtain hybridisation emulsion；And hybridisation emulsion is sprayed on to the surface of substrate, and it is dry, obtain super-hydrophobic coat.Present invention improves the self-cleaning effect of hydrophobic coating and endurance qualities, at the same can direct spraying in the surface of substrate, without being heating and curing, manufacture craft is simple and can carry out large area preparation.
Description
Technical field
The present invention relates to hydrophobic materials, more particularly, to the super-hydrophobic coat and its preparation side for having self-cleaning performance
Method and application.
Background technique
Currently, having carried out extensive research for super-hydrophobicity self-cleaning material both at home and abroad.Currently existing scheme mostly passes through
Low-surface energy substance is surface modified substrate, which can make substrate surface have a degree of hydrophobic performance, and have
Prestige reaches self-cleaning effect；However, automatically cleaning test result shows that although substrate surface has a degree of hydrophobic performance,
But its self-cleaning effect is unsatisfactory.Meanwhile this hydrophobic coating is during Reusability, self-cleaning effect can be by
Step decline, so, the endurance quality of hydrophobicity automatic cleaning coating is also to measure a key factor of its self-cleaning effect.This
Outside, traditional automatic cleaning coating complex manufacturing technology, higher cost are unfavorable for producing preparation on a large scale, to limit it
Development and application.
Summary of the invention
The invention discloses a kind of super-hydrophobic coats for having self-cleaning performance.The present invention mentions in the case where low cost
The high self-cleaning effect of super-hydrophobic coat, durability is strong, and preparation process is simple, is conducive to the production system for carrying out large area
It is standby.
The present invention provides a kind of methods for preparing super-hydrophobic coat, comprising: fluorine silicon polyacrylic acid is added in a reservoir
Ester (FSiPA), ethyl orthosilicate (TEOS), methyltriethoxysilane (MTES), ethyl alcohol and ammonium hydroxide, obtain mixed liquor；It is described
Mixed liquor reacts to obtain hybridisation emulsion；And the hybridisation emulsion is sprayed on to the surface of substrate, and it is dry, it obtains described super-hydrophobic
Coating.
In the above-mentioned methods, wherein it is 5%-25% that fluorine silicon polyacrylate, which accounts for the mass ratio in the mixed liquor,.
In the above-mentioned methods, wherein ethyl orthosilicate, methyltriethoxysilane, ethyl alcohol and ammonium hydroxide substance amount
Than for 1:3-7:40-60:5-15.
In the above-mentioned methods, wherein ethyl orthosilicate, methyltriethoxysilane, ethyl alcohol and ammonium hydroxide substance amount
Than for 1:5:50:10.
In the above-mentioned methods, wherein fluorine silicon polyacrylate, ethyl orthosilicate, three ethoxy of methyl are added in a reservoir
After base silane, ethyl alcohol and ammonium hydroxide, the mixed liquor is stirred to get under conditions of 200-400r/min.
In the above-mentioned methods, wherein the time of the reaction is 5-7h.
In the above-mentioned methods, wherein the nozzle of spray gun used in the spraying is 15- at a distance from the substrate
30cm。
In the above-mentioned methods, wherein the drying is to be dried at room temperature for 12-36h.
In the above-mentioned methods, wherein the super-hydrophobic coat with a thickness of 0.1-0.5mm.
In the above-mentioned methods, wherein the substrate is glass baseplate.
The present invention also provides the super-hydrophobic coats prepared according to the above method.
The present invention also provides a kind of glass, wherein the glass includes above-mentioned super-hydrophobic coat.
The present invention also provides a kind of ice coating resistant devices, wherein the ice coating resistant device includes above-mentioned super-hydrophobic coat.
The present invention also provides a kind of cleaning apparatus for self, wherein the cleaning apparatus for self includes above-mentioned super-hydrophobic coat.
The present invention also provides above-mentioned super-hydrophobic coats in automobile, construction material, lamps and lanterns, glass, ceramics, stainless steel, aluminium
Alloy, photovoltaic, the application in aerospace field.
Present invention improves the self-cleaning effect of hydrophobic coating and endurance qualities, at the same can direct spraying in the table of substrate
Face has manufacture craft simply and the characteristics of can carry out large area preparation without being heating and curing.The FSiPA energy that the present invention uses
It helps coating preferably to form a film, and then enhances the endurance quality of coating, and adverse effect will not be caused to the hydrophobicity of coating.
The addition of TEOS helps to improve the roughness of substrate surface coating, to increase the hydrophobicity of coating, reaches self-cleaning effect
Fruit.And MTES can hydrolyze the SiO generated to TEOS2Particle carries out hydrophobically modified, helps to improve the hydrophobic performance of coating.
Detailed description of the invention
Fig. 1 shows the flow diagram that preparation of the invention has the super-hydrophobic coat of self-cleaning performance, wherein 1 is
SiO2/ fluorine silicon polyacrylate hybridisation emulsion, 2 be spray gun, and 3 be substrate, and 4 be super-hydrophobic coat formed on the substrate.
Specific embodiment
Coating of the invention is prepared by the following method: preparing fluorine silicon poly- third using semi-continuous seed emulsion polymerization method
Olefin(e) acid ester (FSiPA)；By a certain amount of FSiPA, ethyl orthosilicate (TEOS), methyltriethoxysilane (MTES), ethyl alcohol, ammonia
Water is uniformly mixed and obtains mixed liquor, and mixed liquor reacts to obtain SiO2/ fluorine silicon polyacrylate hybridisation emulsion；By the hybridisation emulsion
Even application is 15-30cm at a distance from substrate on substrate, keeping spray tip, can be obtained after substrate surface lotion is dry
Obtain one layer of super-hydrophobic coat for having self-cleaning performance.The thickness control of coating is in 0.1mm-0.5mm.
Referring to Fig. 1, SiO2/ fluorine silicon polyacrylate hybridisation emulsion 1 is sprayed on substrate 3 through spray gun 2, is obtained after dry
Super-hydrophobic coat 4.Ultraviolet ageing test and contact angle test etc. can be carried out later.
Ethyl orthosilicate (TEOS) that the present invention uses, methyltriethoxysilane (MTES), ethyl alcohol, ammonium hydroxide reach point
Analyse pure rank.The usage amount of FSiPA can the contact angle (WCA) of filming performance to coating and coating and water have an impact, by
The SiO that TEOS hydrolysis generates2Particle can construct micro-/micro-nano structure in substrate surface, to increase the degree of roughness of material surface；
Hydrophobicity SiO can be improved in the addition of FSiPA2Interparticle adhesive property, the i.e. addition of FSiPA can make SiO2Particle is embedded into
In the latex film that FSiPA is formed, so that the filming performance of coating obtains biggish improvement.But excessive FSiPA dosage can drop
The roughness of low coating surface is applied since surface roughness is that coating is made to have one of an important factor for superhydrophobic characteristic
The hydrophobicity decline of layer.The ratio of TEOS and MTES can have an impact the hydrophobic performance of coating, this is because MTES can be right
The SiO that TEOS hydrolysis generates2Particle progress is hydrophobic modified, to help to improve the hydrophobic performance of coating.In the present invention,
It is 5%-25%, the ethyl orthosilicate used (TEOS), methyltriethoxysilane that FSiPA, which accounts for the weight ratio in mixed liquor,
(MTES), the mass ratio of the material of ethyl alcohol and ammonium hydroxide is 1:3-7:40-60:5-15.
It is illustrated below with reference to specific embodiment, to better understand the invention.
Embodiment 1
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 15%, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:
3:50:10.Under room temperature, it is stirred liquid under the conditions of 300r/min, hybridisation emulsion is obtained after reacting 6h, by Emulsion Spraying in clear
Glass substrate surface that is clean, drying, keeping spray tip is 25cm at a distance from substrate, and juxtaposition is dried at room temperature for 24 hours, to table
After the drying completely of face the super-hydrophobic coat with self-cleaning effect can be obtained in glass substrate surface.
Embodiment 2
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 15%, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:
5:50:8.Under room temperature, it is stirred liquid under the conditions of 200r/min, hybridisation emulsion is obtained after reacting 6h, by Emulsion Spraying in clear
Glass substrate surface that is clean, drying, keeping spray tip is 25cm at a distance from substrate, and juxtaposition is dried at room temperature for 24 hours, to table
After the drying completely of face the super-hydrophobic coat with self-cleaning effect can be obtained in glass substrate surface.
Embodiment 3
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 5%, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:4:
40:5.Under room temperature, be stirred liquid under the conditions of 250r/min, obtain hybridisation emulsion after reacting 5h, by Emulsion Spraying in cleaning,
Dry glass substrate surface, keeping spray tip is 20cm at a distance from substrate, and juxtaposition dries 18h at room temperature, to surface
After drying completely the super-hydrophobic coat with self-cleaning effect can be obtained in glass substrate surface.
Embodiment 4
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 20%, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:
5:45:10.Under room temperature, it is stirred liquid under the conditions of 350r/min, hybridisation emulsion is obtained after reacting 7h, by Emulsion Spraying in clear
Clean, dry glass substrate surface, keeping spray tip is 15cm at a distance from substrate, and juxtaposition dries 12h at room temperature, to table
After the drying completely of face the super-hydrophobic coat with self-cleaning effect can be obtained in glass substrate surface.
Embodiment 5
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 10%, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:
6:55:13.Under room temperature, it is stirred liquid under the conditions of 400r/min, hybridisation emulsion is obtained after reacting 5h, by Emulsion Spraying in clear
Clean, dry glass substrate surface, keeping spray tip is 30cm at a distance from substrate, and juxtaposition dries 32h at room temperature, to table
After the drying completely of face the super-hydrophobic coat with self-cleaning effect can be obtained in glass substrate surface.
Embodiment 6
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 25%, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:
7:60:15.Under room temperature, be stirred liquid under the conditions of 300r/min, obtain hybridisation emulsion after reacting 6.5h, by Emulsion Spraying in
Cleaning, dry glass substrate surface, keeping spray tip is 25cm at a distance from substrate, and juxtaposition dries 36h at room temperature, to
After dry tack free is complete the super-hydrophobic coat with self-cleaning effect can be obtained in glass substrate surface.
Embodiment 7
Quantitative FSiPA lotion, TEOS, MTES, C are separately added into three-necked flask2H5OH and NH3·H2O is mixed
Liquid is closed, the weight content of FSiPA lotion is 0, TEOS, MTES, C2H5OH and NH3·H2The ratio of the amount of the substance of O is 1:5:
50:10.Under room temperature, it is stirred liquid under the conditions of 300r/min, hybridisation emulsion is obtained after reacting 6.5h, by Emulsion Spraying in clear
Clean, dry glass substrate surface, keeping spray tip is 25cm at a distance from substrate, and juxtaposition dries 36h at room temperature, to table
After the drying completely of face the hydrophobic coating with self-cleaning effect can be obtained in glass substrate surface.
In the above-described embodiments, as a comparison case, other embodiments are parallel example to embodiment 7.To above-described embodiment 1-7
The contact angle of obtained hydrophobic coating measures, and the contact angle of coating can be measured by contact angle tester, using double
Test sample is fixed on horizontal sample table top by face glue, is dripped the water droplet that volume is 5 μ L in coating table using microscale sampler
Face, using the static contact angle of contact angle tester measurement sample surfaces, with being averaged for the contact angle of 5 differences of sample surfaces
Value is used as measurement result.The self-cleaning effect for the Contaminant measurement coating that can be also simulated by carbon dust.Specifically, carbon dust is uniform
It is dispersed in coating surface, can observation water droplet freely roll and can the carbon dust of coating surface be removed by water droplet.If it can,
Show that there is good self-cleaning effect.
Degradation is carried out in addition, test sample is placed in ultraviolet aging test chamber, sets ageing time as 480h,
Contact angle is measured after degradation again, and sees whether occur significantly falling off or cracking phenomena.
The following table 1 shows the data such as the contact angle for the hydrophobic coating that embodiment 1-7 is obtained.
Table 1
As shown in Table 1, the contact angle of super-hydrophobic coat prepared by the present invention is all larger than 135 °, and all have it is good from
Cleaning effect.After aging 480h, in addition to serious cracking phenomena occurs in the coating that comparative example obtains, remaining embodiment is obtained
Coating does not occur significantly falling off or cracking phenomena, and the contact angle after aging is still at 130 ° or more, and of the invention
Super-hydrophobic coat prepared by embodiment 1-6 before ageing after contact angle variation it is smaller, but comparative example (i.e. embodiment 7) institute
The hydrophobic coating of preparation before ageing after contact angle be changed significantly.
It can thus be seen that present invention improves the self-cleaning effect of hydrophobic coating and endurance qualities, while can directly spray
It is applied to the surface of substrate, without being heating and curing, has manufacture craft simply and the characteristics of large area preparation can be carried out.The present invention makes
The FSiPA of 5%-25% can help coating preferably to form a film, and then enhance the endurance quality of coating, and will not be to coating
Hydrophobicity cause adverse effect.The addition of TEOS helps to improve the roughness of substrate surface coating, to increase coating
Hydrophobicity reaches self-cleaning effect.And MTES can hydrolyze the SiO generated to TEOS2Particle carries out hydrophobically modified, facilitates
Improve the hydrophobic performance of coating.
The present invention also provides a kind of glass, wherein the glass includes above-mentioned super-hydrophobic coat.
The present invention also provides a kind of ice coating resistant devices, wherein the ice coating resistant device includes above-mentioned super-hydrophobic coat.
The present invention also provides a kind of cleaning apparatus for self, wherein the cleaning apparatus for self includes above-mentioned super-hydrophobic coat.
The present invention also provides above-mentioned super-hydrophobic coats in automobile, construction material, lamps and lanterns, glass, ceramics, stainless steel, aluminium
Alloy, photovoltaic, the application in aerospace field, but it is not limited to the application in above-mentioned field, in addition, being applied to the present invention
The product of super-hydrophobic coat include but is not limited to the ice-covering-proof component of aircraft, automatically cleaning curtain wall, self-cleaning glass, preventing atomization glass,
Anticorrosive steel, anti-pollution ceramics, self-cleaning coating etc. can be obviously improved the anti-pollution of material, anticorrosive and anti-icing condensation performance.
Claims (15)
1. a kind of method for preparing super-hydrophobic coat characterized by comprising
Fluorine silicon polyacrylate, ethyl orthosilicate, methyltriethoxysilane, ethyl alcohol and ammonium hydroxide are added in a reservoir, obtains
Mixed liquor；
The mixed liquor reacts to obtain hybridisation emulsion；And
The hybridisation emulsion is sprayed on to the surface of substrate, it is dry, obtain the super-hydrophobic coat.
2. the method according to claim 1, wherein fluorine silicon polyacrylate accounts for the quality in the mixed liquor
Than for 5%-25%.
3. the method according to claim 1, wherein ethyl orthosilicate, methyltriethoxysilane, ethyl alcohol and ammonia
The ratio of the amount of the substance of water is 1:3-7:40-60:5-15.
4. according to the method described in claim 3, it is characterized in that, ethyl orthosilicate, methyltriethoxysilane, ethyl alcohol and ammonia
The ratio of the amount of the substance of water is 1:5:50:10.
5. the method according to claim 1, wherein fluorine silicon polyacrylate, positive silicic acid are added in a reservoir
After ethyl ester, methyltriethoxysilane, ethyl alcohol and ammonium hydroxide, the method also includes:
The mixed liquor is stirred to get under conditions of 200-400r/min.
6. the method according to claim 1, wherein the time of the reaction is 5-7h.
7. the method according to claim 1, wherein the nozzle of spray gun used in the spraying and the substrate
Distance be 15-30cm.
8. the method according to claim 1, wherein the drying is to be dried at room temperature for 12-36h.
9. the method according to claim 1, wherein the super-hydrophobic coat with a thickness of 0.1-0.5mm.
10. the method according to claim 1, wherein the substrate is glass baseplate.
11. the super-hydrophobic coat of method preparation according to claim 1 to 10.
12. a kind of glass, which is characterized in that the glass includes super-hydrophobic coat described in claim 11.
13. a kind of ice coating resistant device, which is characterized in that the ice coating resistant device includes super-hydrophobic painting described in claim 11
Layer.
14. a kind of cleaning apparatus for self, which is characterized in that the cleaning apparatus for self includes super-hydrophobic painting described in claim 11
Layer.
15. super-hydrophobic coat according to claim 11 is in automobile, construction material, lamps and lanterns, glass, ceramics, stainless steel, aluminium
Alloy, photovoltaic, the application in aerospace field.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710898075.XA CN109575738A (en) | 2017-09-28 | 2017-09-28 | Super-hydrophobic coat and its preparation method and application |
| PCT/CN2018/083684 WO2019062083A1 (en) | 2017-09-28 | 2018-04-19 | Superhydrophobic coating layer, preparation method therefor and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710898075.XA CN109575738A (en) | 2017-09-28 | 2017-09-28 | Super-hydrophobic coat and its preparation method and application |
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| CN109575738A true CN109575738A (en) | 2019-04-05 |
Family
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| CN201710898075.XA Pending CN109575738A (en) | 2017-09-28 | 2017-09-28 | Super-hydrophobic coat and its preparation method and application |
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| WO (1) | WO2019062083A1 (en) |
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| CN110344255A (en) * | 2019-08-19 | 2019-10-18 | 南京工程学院 | One kind super-hydrophobic cotton resistant to bending and preparation method thereof |
| CN110987930A (en) * | 2019-12-21 | 2020-04-10 | 青岛科技大学 | Visual characterization method for self-cleaning behavior of surface of super-hydrophobic high polymer material |
| CN115286996A (en) * | 2022-08-31 | 2022-11-04 | 青岛科技大学 | Super-hydrophobic organic silicon coating and preparation method and application thereof |
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| CN115286996A (en) * | 2022-08-31 | 2022-11-04 | 青岛科技大学 | Super-hydrophobic organic silicon coating and preparation method and application thereof |
| CN115286996B (en) * | 2022-08-31 | 2023-04-07 | 青岛科技大学 | Super-hydrophobic organic silicon coating and preparation method and application thereof |
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| WO2019062083A1 (en) | 2019-04-04 |
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