CN108456467A - Photovoltaic solar super-hydrophobic automatic cleaning coating and preparation method thereof - Google Patents
Photovoltaic solar super-hydrophobic automatic cleaning coating and preparation method thereof Download PDFInfo
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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
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
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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
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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
- C09D5/1656—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
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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
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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Abstract
The present invention relates to Material Fields, and more particularly to photovoltaic solar super-hydrophobic automatic cleaning coating and preparation method thereof；It includes will have the active nano-particle of nano-photo catalytic to be mixed with the first solvent, stir 30 60min, obtains the first mixture；Kynoar, the second solvent and diluent are added in the first mixture, obtain the second mixture；Hydrophobic silicon resin is added in the second mixture, obtains third mixture；Powdered carbon is added in third mixture, stirs 30 45min under the conditions of 120 150 DEG C, then be cooled to 45 60 DEG C, evaporates 2 3h, then coating is in thin layer, is toasted under the conditions of temperature is 40 60 DEG C；There is self-cleaning function outstanding by coating prepared by this method, and it can resist pollution and mechanical damage etc. with stronger stability, have stronger durability.
Description
Technical field
The present invention relates to Material Fields, and more particularly to photovoltaic solar super-hydrophobic automatic cleaning coating and its preparation side
Method.
Background technology
In recent years, automatic cleaning coating has received widespread attention.Super-hydrophobic (150 ° of water contact angle ＞) automatic cleaning coating leads to
It crosses water droplet rolling and takes away dust, realize the self-cleaning function similar to lotus leaf.But pollutant is varied in actual air environment,
Existing hydrophilic dust pollution object, and have lipophilic organic pollution, existing solid pollutant, and have fluid contaminants,
And the mixture of various pollutants, existing super-hydrophobic coat can not effectively remove the pollutant of all different characteristics, cause
Its in actual use, due to pollutant it is continuous accumulation make coating surface lose superhydrophobic characteristic, in addition, mechanical friction
And the reasons such as weathering aging can be such that the superhydrophobic characteristic of coating gradually loses.Therefore, there are still realities for existing super-hydrophobic coat
The too short problem of border active time.
Invention content
The purpose of the present invention is to provide a kind of preparation methods of photovoltaic solar super-hydrophobic automatic cleaning coating, can
The coating with self-cleaning function outstanding is prepared, and this method can improve the stability of coating, coating can be improved and supported
The abilities such as antipollution and mechanical damage, and then improve the durability of coating.
Another object of the present invention is to provide a kind of photovoltaic solar super-hydrophobic automatic cleaning coatings, with outstanding
Self-cleaning function, and it can resist pollution and mechanical damage etc. with stronger stability, have stronger durability.
What the present invention adopts the following technical solutions to realize.
The present invention proposes a kind of preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating comprising will have nanometer
The nano-particle of photocatalytic activity is mixed with the first solvent, is then 50-60 DEG C in temperature, rotating speed is 800-1000r/min items
30-60min is stirred under part, obtains the first mixture.
Kynoar, the second solvent and diluent are added in the first mixture, temperature is 40-50 DEG C, rotating speed is
60-90min is stirred under the conditions of 1000-1200r/min, obtains the second mixture.
Hydrophobic silicon resin is added in the second mixture, 60-90min is stirred under the conditions of temperature is 100-120 DEG C, obtains
To third mixture.
Powdered carbon is added in third mixture, 30-45min is stirred under the conditions of 120-150 DEG C, then be cooled to 45-60 DEG C,
2-3h is evaporated, then coating is in thin layer, is toasted under the conditions of temperature is 40-60 DEG C.
The present invention proposes a kind of photovoltaic solar super-hydrophobic automatic cleaning coating, is to be used to surpass by above-mentioned photovoltaic solar
Prepared by the preparation method of hydrophobic automatic cleaning coating.
The advantageous effect of the photovoltaic solar of embodiment of the present invention super-hydrophobic automatic cleaning coating and preparation method thereof is：It should
Method adds the substances such as Kynoar, energy again after first being mixed with the first solvent with the active nano-particle of nano-photo catalytic
Enough improve the stability of nano-particle and Kynoar；Then add again hydrophobic silicon resin can improve coating it is hydrophobic from
Cleaning capacity；Then powdered carbon is further added, the smoothness of coating surface can be improved, improves flowing of the liquid in coating surface
Ability；It is last to carry out toasting the stability that further increase coating again, improve the anticorrosive performance with mechanical damage of coating.
There is self-cleaning function outstanding with towards hydrophobic automatic cleaning coating by photovoltaic solar prepared by this method, and it is with stronger
Stability can resist pollution and mechanical damage etc., have stronger durability.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The photovoltaic solar of the embodiment of the present invention is carried out specifically with super-hydrophobic automatic cleaning coating and preparation method thereof below
Explanation.
The preparation method of the photovoltaic solar super-hydrophobic automatic cleaning coating of the present invention, including will have nano-photo catalytic work
Property nano-particle mixed with the first solvent, then temperature be 50-60 DEG C, rotating speed be 800-1000r/min under the conditions of stir
30-60min obtains the first mixture；Kynoar, the second solvent and diluent are added in the first mixture, in temperature
60-90min is stirred under the conditions of being 1000-1200r/min for 40-50 DEG C, rotating speed, obtains the second mixture；In the second mixture
Middle addition hydrophobic silicon resin stirs 60-90min under the conditions of temperature is 100-120 DEG C, obtains third mixture；In third
Powdered carbon is added in mixture, 30-45min is stirred under the conditions of 120-150 DEG C, then be cooled to 45-60 DEG C, evaporates 2-3h, then
Coating is in thin layer, is toasted under the conditions of temperature is 40-60 DEG C.
Various raw materials, are added the technological process of preparation by the method for the present invention in batches, can make to mix between each raw material
Splitting or integrating cloth more uniformly, so as to the performance for performance of mutually promoting between each raw material, especially improve the resistance to mechanical damage of coating
Hinder performance；Polyvinylidene fluoride is added again after first being mixed with the first solvent with the active nano-particle of nano-photo catalytic in the present invention
The substances such as alkene can improve the stability of nano-particle and Kynoar；Then adding hydrophobic silicon resin again can improve
The hydrophobic automatical cleaning ability of coating；Then powdered carbon is further added, the smoothness of coating surface can be improved, liquid is improved and is applying
The fluid ability of layer surface；It is finally toasted again, the roasting mode of two sections of temperature types can be utilized to further increase coating
Stability improves the anticorrosive performance with mechanical damage of coating.
Preferably, the thickness of above-mentioned thin layer is 0.3-2mm.
Preferably, above-mentioned first solvent includes at least one in dimethylbenzene, butyl acetate, ethyl acetate, acetone and butanone
Kind.
Preferably, the mass concentration of the first solvent is 10-20%.
Preferably, the above-mentioned weight ratio with the active nano-particle of nano-photo catalytic and the first solvent is 1-3:5.
It should be noted that it is above-mentioned have the active nano-particle of nano-photo catalytic include TiO2、NbO2、TaO3、CrO2、
NiO2、ZrO2、WO3、ZnO、SnO2、V2O5、GeS、ZnS、CeO2、GaO2、SbO3And Bi2O3At least one of nano-particle.
Preferably, above-mentioned second solvent includes at least one in normal propyl alcohol, isopropanol, n-octyl alcohol, n-hexane and normal octane
Kind.
Preferably, the mass concentration of the second solvent is 12-15%.
Preferably, the above-mentioned weight ratio with the active nano-particle of nano-photo catalytic and Kynoar is 1-2:1.
Preferably, above-mentioned diluent includes in triethyl phosphate, repefral, glycol ester and cyclohexanone
It is at least one.
Preferably, the mass concentration of above-mentioned diluent is 10-15%.
It is highly preferred that the weight ratio of above-mentioned Kynoar, the second solvent and diluent is 1:1:1.
Preferably, the weight ratio of above-mentioned Kynoar and hydrophobic resin is 1-2:1.
Preferably, the weight ratio of powdered carbon and hydrophobic resin is 1:1.The grain size of powdered carbon is 500-600 mesh.
With reference to embodiments to the photovoltaic solar super-hydrophobic automatic cleaning coating and preparation method thereof of the present invention make into
The detailed description of one step.
Embodiment 1
By be 10% with the active nano-particle of nano-photo catalytic and mass concentration xylene solution according to weight ratio
It is 1:Then 5 mixing are 50 DEG C in temperature, rotating speed stirs 30min under the conditions of being 1000r/min, obtains the first mixture；Its
In, it is TiO to have the active nano-particle of nano-photo catalytic2。
Kynoar, the aqueous isopropanol that mass concentration is 12% and mass concentration are added in the first mixture is
10% triethyl phosphate solution stirs 60min under the conditions of temperature is 40 DEG C, rotating speed is 1200r/min, obtains the second mixing
Object；Weight ratio wherein with the active nano-particle of nano-photo catalytic and Kynoar is 1:1, Kynoar, quality
The weight ratio for the triethyl phosphate solution that a concentration of 12% aqueous isopropanol is 10% with mass concentration is 1:1:1.
Hydrophobic silicon resin is added in the second mixture, 90min is stirred under the conditions of temperature is 100 DEG C, obtains third
Mixture；Wherein, the weight ratio of Kynoar and hydrophobic resin is 1:1.
Powdered carbon is added in third mixture (grain size is 500 mesh), wherein the weight ratio of powdered carbon and hydrophobic resin is 1:
1,45min is stirred under the conditions of 120 DEG C, then be cooled to 45 DEG C, evaporate 3h, then coating is in thin layer (0.3mm), is 60 in temperature
It is toasted under the conditions of DEG C.
Embodiment 2
It will be mixed for 20% butyl acetate and ethyl acetate with mass concentration with the active nano-particle of nano-photo catalytic
It is 3 that solution, which is closed, according to weight ratio:Then 5 mixing are 60 DEG C in temperature, rotating speed stirs 60min under the conditions of being 800r/min, obtains
First mixture；Wherein, it is ZnO and SnO to have the active nano-particle of nano-photo catalytic2Mixture.
Kynoar is added in the first mixture, the isopropanol, n-octyl alcohol, n-hexane and just that mass concentration is 15%
The repefral solution that octane mixed solution and mass concentration are 15%, temperature be 50 DEG C, rotating speed 1000r/
90min is stirred under the conditions of min, obtains the second mixture；Wherein there is the active nano-particle of nano-photo catalytic and polyvinylidene fluoride
The weight ratio of alkene is 2:1, Kynoar, the isopropanol that mass concentration is 15%, n-octyl alcohol, n-hexane and normal octane mixing are molten
The weight ratio for the repefral that liquid is 15% with mass concentration is 1:1:1.
Hydrophobic silicon resin is added in the second mixture, 60min is stirred under the conditions of temperature is 120 DEG C, obtains third
Mixture；Wherein, the weight ratio of Kynoar and hydrophobic resin is 2:1.
Powdered carbon is added in third mixture (grain size is 600 mesh), wherein the weight ratio of powdered carbon and hydrophobic resin is 1:
1,30min is stirred under the conditions of 150 DEG C, then be cooled to 60 DEG C, evaporate 2h, then coating is in thin layer (2mm), is 40 DEG C in temperature
Under the conditions of toast.
Embodiment 3
By the dimethylbenzene, butyl acetate, acetic acid for being 15% with the active nano-particle of nano-photo catalytic and mass concentration
Ethyl ester, acetone and butanone mixed solution are 2 according to weight ratio:Then 5 mixing are 55 DEG C in temperature, rotating speed is 900r/min items
50min is stirred under part, obtains the first mixture；Wherein, it is ZnS, CeO to have the active nano-particle of nano-photo catalytic2、GaO2、
SbO3And Bi2O3Mixture.
Kynoar is added in the first mixture, the normal propyl alcohol, isopropanol, n-octyl alcohol, just that mass concentration is 13%
The glycol ester and cyclohexanone mixed solution that hexane and normal octane mixed solution and mass concentration are 12%, temperature be 45 DEG C,
Rotating speed stirs 80min under the conditions of being 1100r/min, obtains the second mixture；Wherein there is the active nanoparticle of nano-photo catalytic
The weight ratio of son and Kynoar is 1:1, Kynoar, mass concentration be 13% normal propyl alcohol, isopropanol, n-octyl alcohol,
The weight ratio for the glycol ester and cyclohexanone mixed solution that n-hexane and normal octane mixed solution are 12% with mass concentration is 1:
1:1。
Hydrophobic silicon resin is added in the second mixture, 70min is stirred under the conditions of temperature is 110 DEG C, obtains third
Mixture；Wherein, the weight ratio of Kynoar and hydrophobic resin is 2:1.
Powdered carbon is added in third mixture (grain size is 550 mesh), wherein the weight ratio of powdered carbon and hydrophobic resin is 1:
1,40min is stirred under the conditions of 130 DEG C, then be cooled to 50 DEG C, evaporate 2.5h, then coating is in thin layer (1mm), is 50 in temperature
It is toasted under the conditions of DEG C.
Embodiment 4
By be 18.5% with the active nano-particle of nano-photo catalytic and mass concentration acetone soln according to weight ratio
It is 3:Then 5 mixing are 57 DEG C in temperature, rotating speed stirs 45min under the conditions of being 850r/min, obtains the first mixture；Wherein,
It is SnO with the active nano-particle of nano-photo catalytic2And V2O5Mixture.
Kynoar, the hexane solution that mass concentration is 14% and mass concentration are added in the first mixture is
14% glycol ester solution stirs 70min under the conditions of temperature is 42 DEG C, rotating speed is 1050r/min, obtains the second mixing
Object；Weight ratio wherein with the active nano-particle of nano-photo catalytic and Kynoar is 2:1, Kynoar, quality
The weight ratio for the glycol ester solution that a concentration of 14% hexane solution is 14% with mass concentration is 1:1:1.
Hydrophobic silicon resin is added in the second mixture, 85min is stirred under the conditions of temperature is 105 DEG C, obtains third
Mixture；Wherein, the weight ratio of Kynoar and hydrophobic resin is 2:1.
Powdered carbon is added in third mixture (grain size is 600 mesh), wherein the weight ratio of powdered carbon and hydrophobic resin is 1:
1,37min is stirred under the conditions of 135 DEG C, then be cooled to 55 DEG C, evaporate 2.5h, then coating is in thin layer (1.2mm), is in temperature
It is toasted under the conditions of 52 DEG C.
Comparative example 1
Comparative example 1 is similar with the preparation method of embodiment 1, the difference is that, there is nano-photo catalytic in comparative example 1
The raw materials such as active nano-particle, Kynoar, hydrophobic silicon resin, powdered carbon are disposable mixing completion, and at 100 DEG C
Under the conditions of stirring 3h can be coated with, dry；Other parameters are carried out with reference to embodiment 1.
Comparative example 2
Comparative example 2 is similar with the preparation method of embodiment 1, the difference is that, hydrophobicity tree is not added in comparative example 2
Fat；Other parameters, processing step etc. are carried out with reference to embodiment 1.
Comparative example 3
Comparative example 3 is similar with the preparation method of embodiment 1, the difference is that, comparative example 3 be not added with hydrophobic resin and
Powdered carbon；Other parameters, processing step etc. are carried out with reference to embodiment 1.
Comparative example 4
Comparative example 4 is similar with the preparation method of embodiment 1, the difference is that, comparative example 4 is not added with Kynoar；
Other parameters, processing step etc. are carried out with reference to embodiment 1.
Comparative example 5
Comparative example 5 is similar with the preparation method of embodiment 1, the difference is that, the roasting mode of comparative example 5 is directly to exist
Baking is completed under the conditions of 150 DEG C, rather than after toasting a period of time under higher baking temperature, lower temperature is changed into one
Step baking；Other parameters, processing step etc. are carried out with reference to embodiment 1.
Durability comparison is carried out with embodiment 1-3 and comparative example the 1-4 coating prepared, test method is：Salad oil is applying
The hydrophily of the contact angle reflection coating of layer surface, test condition：Wavelength 340nm, radiant power 0.68W/m2, cyclic program：
Ultraviolet irradiation 8h, condenses 4h by 50 DEG C, 40 DEG C, ageing time 1440h；Variation by measuring the contact angle of coating reflects coating
Weather resistance；Contact angle tester device：The OCA15 contact angle testers of German Dataphysics companies, 5 μ L of droplet size；
Test equipment：The QUV/Se artificial accelerated aging instrument of Q-Panel companies of the U.S..
1 each group coating of table coat salad oil after, water contact angle with UV light application times variation relation
| Group number | 0h | 2h | 4h | 6h | 8h | 10h |
| Embodiment 1 | 60.4 | 78.3 | 112.3 | 133.6 | 153.2 | 163.5 |
| Embodiment 2 | 62.1 | 77.9 | 116.9 | 135.7 | 152.6 | 162.4 |
| Embodiment 3 | 58.5 | 81.3 | 120.6 | 128.6 | 158.1 | 163.1 |
| Embodiment 4 | 59.1 | 79.9 | 113.3 | 130.6 | 154.2 | 161.1 |
| Comparative example 1 | 59.1 | 60.1 | 61.3 | 60.9 | 61.1 | 60.5 |
| Comparative example 2 | 58.3 | 69.2 | 70.0 | 71.5 | 68.3 | 74.3 |
| Comparative example 3 | 58.9 | 57.3 | 59.8 | 58.5 | 59.2 | 60.5 |
| Comparative example 4 | 62.3 | 68.3 | 76.5 | 75.8 | 75.8 | 80.9 |
| Comparative example 5 | 60.5 | 64.1 | 66.1 | 67.8 | 70.1 | 71.5 |
As shown in Table 1, after coating surface coats one layer of salad oil, contact angle angle is down to 60 degree or so, and the present invention is implemented
The coating of example is under the irradiation of UV, and contact angle gradually restores, but the contact angle of comparative example is difficult to restore.
In conclusion photovoltaic solar super-hydrophobic automatic cleaning coating of the embodiment of the present invention and preparation method thereof has
Beneficial effect is：This method adds polyvinylidene fluoride again after first being mixed with the first solvent with the active nano-particle of nano-photo catalytic
The substances such as alkene can improve the stability of nano-particle and Kynoar；Then adding hydrophobic silicon resin again can improve
The hydrophobic automatical cleaning ability of coating；Then powdered carbon is further added, the smoothness of coating surface can be improved, liquid is improved and is applying
The fluid ability of layer surface；It is last to carry out baking again and further increase the stability of coating, improve that coating is anticorrosive and machine
The performance of tool damage.There is self-cleaning function outstanding with towards hydrophobic automatic cleaning coating by photovoltaic solar prepared by this method,
And it can resist pollution and mechanical damage etc. with stronger stability, have stronger durability.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating, which is characterized in that including that will have a nanometer light
The nano-particle of catalytic activity is mixed with the first solvent, is then 50-60 DEG C in temperature, rotating speed is 800-1000r/min conditions
Lower stirring 30-60min, obtains the first mixture；
Kynoar, the second solvent and diluent are added in first mixture, temperature is 40-50 DEG C, rotating speed is
60-90min is stirred under the conditions of 1000-1200r/min, obtains the second mixture；
Hydrophobic silicon resin is added in second mixture, 60-90min is stirred under the conditions of temperature is 100-120 DEG C, obtains
To third mixture；
Powdered carbon is added in the third mixture, 30-45min is stirred under the conditions of 120-150 DEG C, then be cooled to 45-60 DEG C,
2-3h is evaporated, then coating is in thin layer, is toasted under the conditions of temperature is 40-60 DEG C.
2. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
The thickness for stating thin layer is 0.3-2mm.
3. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
It includes at least one of dimethylbenzene, butyl acetate, ethyl acetate, acetone and butanone to state the first solvent.
4. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
It includes at least one of normal propyl alcohol, isopropanol, n-octyl alcohol, n-hexane and normal octane to state the second solvent.
5. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
The mass concentration for stating the first solvent is 10-20%.
6. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
The mass concentration for stating the second solvent is 12-15%.
7. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
It is 1-3 to state the weight ratio with the active nano-particle of nano-photo catalytic and first solvent:5.
8. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
It is 1-2 to state the weight ratio with the active nano-particle of nano-photo catalytic and the Kynoar:1.
9. the preparation method of photovoltaic solar super-hydrophobic automatic cleaning coating according to claim 1, which is characterized in that institute
It includes at least one of triethyl phosphate, repefral, glycol ester and cyclohexanone to state diluent.
10. a kind of photovoltaic solar super-hydrophobic automatic cleaning coating, which is characterized in that it is by any one of claim 1-9 institutes
Prepared by the preparation method for the photovoltaic solar super-hydrophobic automatic cleaning coating stated.
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