CN105330168A - Antireflection film coating liquid, and preparation method and applications thereof - Google Patents
Antireflection film coating liquid, and preparation method and applications thereof Download PDFInfo
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- CN105330168A CN105330168A CN201510679374.5A CN201510679374A CN105330168A CN 105330168 A CN105330168 A CN 105330168A CN 201510679374 A CN201510679374 A CN 201510679374A CN 105330168 A CN105330168 A CN 105330168A
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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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- 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
- 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
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
- C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
- C03C2217/475—Inorganic materials
- C03C2217/478—Silica
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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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
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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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/73—Anti-reflective coatings with specific characteristics
- C03C2217/732—Anti-reflective coatings with specific characteristics made of a single layer
-
- 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
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
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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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/118—Deposition methods from solutions or suspensions by roller-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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
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- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an antireflection film coating liquid, and a preparation method and applications thereof. The preparation method comprises following steps: by mass, 5 to 30 parts of nano silica sol, 1 to 10 parts of PU emulsion, and 60 to 95 parts of a dispersing agent are uniformly mixed, an acid is added so as to adjust pH value of an obtained mixture to 2 to 4 so as to obtain the antireflection film coating liquid. In application, glass is coated with the antireflection film coating liquid, antireflection coated glass can be obtained via 5 to 30min of roasting at a temperature ranging from 300 to 700 DEG C, and visible light transmittance of glass can be increased by more than 3%. Compared with the prior art, the antireflection film coating liquid can be used for preparing antireflection glass used for preparing solar cell cover plates so as to increase glass light transmittance effectively, and increase solar cell generated output.
Description
Technical field
The invention belongs to Material Field, relate to a kind of antireflective coating liquid and preparation method thereof and application.
Background technology
Glass material (sheet material, tubing) is indispensable important materials in current solar water heater industry and photovoltaic industry.When solar energy optical-thermal, photoelectric transformation efficiency are progressively close to theoretical limit, the energy transformation ratio often improving one percentage point all will pay larger cost, and has difficulty in taking a step, and glass still has the space can improving solar transmission ratio.Therefore reduce the reflectivity of glass material, improve transmittance, to the energy conversion efficiency improving further solar product without being suspected to have reality and positive effect.·
Mainly adopt sol-gel method production antireflection liquid both at home and abroad at present.CN201336310, CN201336311 and CN1336312 are that typical sol-gel method prepares antireflection liquid; CN101318776 take collosol and gel as raw material, by obtaining antireflection liquid to its surface modification; CN101308878 prepares antireflection liquid using the inorganic materials being dissolved in organic solvent as starting material, can confirm that selected inorganic materials is also prepared by sol-gel method, otherwise inorganic powder cannot be dissolved in organic solvent from the method; But there is a more serious problem in sol gel process, collosol and gel is generally in metastable state, by various factors in preparation process, add the controling parameters adjustment difficulty of coating process, therefore quality product cannot be stablized, glass production producer needs additive method to obtain the stable coated glass technique of anti-reflection rate, the stability to guarantee batch.Therefore select new method to obtain antireflective effect and seem very necessary.
Summary of the invention
The object of this invention is to provide a kind of antireflective coating liquid and preparation method thereof and application.
The method preparing coating liquid provided by the invention, comprises the steps:
After nano silicon dioxide sol, PU emulsion and dispersion agent being mixed, the pH value adding sour regulation system is 1.5-4, obtains described coating liquid.
In aforesaid method, the mass parts of described nano silicon dioxide sol is 5-30 part, is specially 10-30 part, is more specifically 15 parts;
The mass parts of described PU emulsion is 1-10 part, is specially 5-10 part, is more specifically 10 parts;
The mass parts of described dispersion agent is 60-95 part, is specially 60-85 part, is more specifically 75 parts;
The pH value of described system is specially 1.5-2;
Described acid is phosphoric acid, sulfuric acid, hydrochloric acid or nitric acid;
Described dispersion agent can adopt aqueous dispersion medium or solvent borne dispersion agent according to the resin system of selected filmogen, specifically can be water.
The solid content of described nano silicon dioxide sol is 40-60%, is specially 50%;
Described nano silicon dioxide sol specifically can be nano silicon dioxide sol 1115, nano silicon dioxide sol 2326, nano silicon dioxide sol 8699 or nano silicon dioxide sol NissanSNOWTEX-OUP.
The particle diameter of described nano silicon is 4nm-50nm, is specially 2-4nm, 4nm or 5nm.Because selected nano silicon has loose porous characteristic, cause the specific refractory power of loose porous coatings far below the specific refractory power (I.52) of ultra-clear glasses, under appropriate thickness of coating, the visible reflectance of glass surface can be reduced, thus effectively improve the transmittance of glass.
Described nano silicon is spherical or aspherical.
The solid content of described PU emulsion is 30-50%, is specially 40%;
Described PU emulsion is specially DSMR986 emulsion.
In addition, the coating liquid prepared according to the method described above and this coating liquid, at the application prepared in antireflective material and the antireflective material prepared by described coating liquid, also belong to protection scope of the present invention.Wherein, described antireflective material is anti-reflective glass, is specially the anti-reflective glass of solar cell cover plate;
Described anti-reflective glass specifically obtains according to the method comprised the steps: described coating liquid is coated in glass surface, dry and obtain.
The method of described coating specifically can be showering, dip-coating, spraying or roller coat;
In described drying step, temperature is 300-700 DEG C, and the time is 5min-30min.
In described antireflective material, the thickness of coatings specifically can be 100nm-150nm.
The present invention overcomes the shortcoming such as cumbersome, unstable product quality in existing coating liquid preparation process, adopt commercial water silica sol and commercial PU emulsion as raw material, they are first assembled into the nanocluster thing of strawberry shape by both utilizations charges of different polarity attractability between them under given conditions.This nanocluster is with PU emulsion for core, take nano silicon as the nucleocapsid structure of shell.Silicon-dioxide, can inner PU core steady in a long-term as stable shell.Thus realize stable shelf-life, ensure the transparent antireflective coating liquid of the stability of the coating liquid of preparation.It is simple that the method has technique, environmental friendliness, steady quality, the features such as product is reliable.
Compared with prior art, the present invention is by selecting loose porous powder, and initial size is 4nm-50nm, these powders is dispersed into nano dispersion fluid in coordinative solvent, and adds filmogen, prepares the coating liquid with anti-reflection function.In ultra-clear glasses, the anti-reflection rate of coatings is greater than 3%, and technology stability improves greatly.Because selected powder has loose porous characteristic, cause the specific refractory power of specific refractory power far below ultra-clear glasses of loose porous coatings, under appropriate thickness of coating, the visible reflectance of glass surface can be reduced, thus effectively improve the transmittance of glass, reach the object increasing solar cell power generation power.This antireflective coating liquid after film forming, has good sticking power with glass on glass, and can reduce the reflectivity of glass, improves the visible light transmissivity of glass.The coated glass adopting this coating liquid to make is applied on solar covering, reaches the object improving solar cell power generation power.
Coating liquid provided by the invention is with its coating and dry matrix provides character easy to clean or dust-proof character.If coated matrix shows oil-proofness and/or resistance to soiling, then dry coating is considered to " can clean " or " easy to clean " or has " can clean " or " easy to clean " characteristic.As selection and/or additionally, if organic pollutant, such as dirt, food, machine oil, paint, dust and/or impurity, can rinse out with water simply, then dry coating is considered to easy to clean and maybe can cleans.Like this easy to clean or can sanitary characteristics normally to produce because the nano-porous structure of coating tends to stop oligomeric and high-polymer molecular infiltration, likely provides unique triboelectricity character.
Coating liquid provided by the invention, when coat matrix (such as, inorganic or organic materials matrix) and dry time, be generally durable, make the operation in normal use procedure (such as, touching) that dry coating can not be removed completely.Preferred coating is durable, makes as shown in embodiment part, and dry coating also can not be completely removed under (such as, rubbing) condition of more mechanical harshness.
Accompanying drawing explanation
Fig. 1 is the anti-reflection curve of visible ray that coating liquid that embodiment 1 prepares carries out gained coatings after plated film;
Fig. 2 is the anti-reflection curve of visible ray that coating liquid that embodiment 2 prepares carries out gained coatings after plated film;
Fig. 3 is the anti-reflection curve of visible ray that coating liquid that embodiment 3 prepares carries out gained coatings after plated film;
Fig. 4 is the anti-reflection curve of visible ray that coating liquid that embodiment 4 prepares carries out gained coatings after plated film;
Fig. 5 is the anti-reflection curve of visible ray that coating liquid that embodiment 5 prepares carries out gained coatings after plated film;
Fig. 6 is the anti-reflection curve of visible ray that coating liquid that embodiment 6 prepares carries out gained coatings after plated film.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated, but the present invention is not limited to following examples.Described method is ordinary method if no special instructions.Described starting material all can obtain from open commercial sources if no special instructions.
" nanoparticle " definition is in this article the particle of nano-scale, and such as mean particle size is no more than 200 nanometers (nm)." granularity " and " particle diameter " that use in this article has identical implication and is used in reference to the overall dimension of particle (or its aggregate).Under background herein, " cohesion " refers to the weak association between particle, and particle also can resolve into less entity by electric charge or heteropolar bond together.
Except as otherwise noted, all chemical reagent and solvent be from AldrichChemicalC0., Milwaukee, WI obtain or can from AldrichChemicalC0., Milwaukee, WI obtain.
All numbers, per-cent or the ratio pointed out in embodiment are all by weight, except as otherwise noted.The all temperature pointed out in embodiment for degree Celsius, except as otherwise noted.
In nano silicon dioxide sol 1115, the particle diameter of nano silicon is 4nm; In nano silicon dioxide sol 2326, the particle diameter of nano silicon is 5nm; In nano silicon dioxide sol 8699, the particle diameter of nano silicon is 2 ~ 4nm; All purchased from Nalco company.
In nano silicon dioxide sol NissanSNOWTEX-OUP, the particle diameter of aspherical nano silicon is 2-5nm, purchased from Naperville company.
Solar energy glass is purchased from pearl satin glass;
In following embodiment, all as follows gained coating liquid is carried out plated film:
Gained coating liquid is coated in glass surface in the mode of spraying, 500 DEG C of dry 10min and obtaining, the thickness of coatings is 100nm.
Gained coatings is tested all as follows:
1, durability test
Mechanical robustness is evaluated by wet and dry wipe.By the surface that is coated with paper handkerchief friction (with hand, strong pressure) 100 times, carry out dry wipe.In Sheen wet abrasion wiping tester (SheenWetAbrasionScrubTester), use the Ikg weight of rag and aqueous detergent solution (the service plate sanitising agent of business of 1.0 % by weight, with negatively charged ion and nonionogenic tenside, derive from Shanghai White cat company), carry out 1,000 circulation, carries out wet smear.
2, test easy to clean
By coated matrix sample is immersed in from GoreckiManufacturingInc., Milaca, MN obtain Gorecki study plot a kind of woolen fabric made in Xizang Autonomous Region dirt (StandardCarpetSoil) in and shaken 30 seconds, carry out this test.Sample is taken out from waste rexeptacle, and with tap water one minute, speed was 750 mm/min (mL/ minute).Sample is graded according to their outward appearance.If sample is completely clean, then provide the grading of " good ", if sample is unclean, then provide the grading of " poor ".
3, hardness test
By coated membrane hardness measuring method (ASTMD3363) unguis hominis and pencil simple test hardness.If by there is not scratch with nail scratch coating, be then " qualified " by this coating assessment, otherwise be evaluated as " defective ".
85 DEG C/85%RH (relative humidity) test of IEC61215
Coated glass sample is placed in the climatic chamber at 85% ± 5%RH and 85 DEG C, after 1250 hours, measures transmittance to determine hydrothermal aging lasting effect.
4, antireflection test
HAZE-GARDDUAL mist degree and transmissivity meter (BYK-Gardner, Columbia, Maryland, USA) carry out total transmittance measurement.According to ASTMD1003, from instrument, directly read % transmissivity, as the average (CIED65 standard illuminant) of sunlight wavelength scope on daytime.
PerkinElmer λ 900 spectrophotometer carries out the transmitted spectrum of 400-1200 nanometer.
Embodiment 1
Be the nano silicon dioxide sol Nalco2326 (20 grams (g) of 50% by solid content, account for 15% of coating liquid total weight parts), then the DSMR986 emulsion (accounting for 10% of coating liquid total weight parts) that 0.75 gram of solid content is 40% is added, 75% of coating liquid total mass is accounted for the water in system by adding deionized water, drip strong phosphoric acid again and the pH value of system is adjusted to 1.5 ~ 2.0, obtain coating liquid provided by the invention.
Embodiment 2
Be the nano silicon dioxide sol Nalco1115 (20 grams (g) of 50% by solid content, account for 15% of coating liquid total weight parts), then the DSMR986 emulsion (accounting for 10% of coating liquid total weight parts) that 0.75 gram of solid content is 40% is added, 75% of coating liquid total mass is accounted for the water in system by adding deionized water, drip strong phosphoric acid again and the pH value of system is adjusted to 1.5 ~ 2.0, obtain coating liquid provided by the invention.
Embodiment 3
Be the nano silicon dioxide sol Nalco8699 (20 grams (g) of 50% by solid content, account for 15% of coating liquid total weight parts), then the DSMR986 emulsion (accounting for 10% of coating liquid total weight parts) that 0.75 gram of solid content is 40% is added, 75% of coating liquid total mass is accounted for the water in system by adding deionized water, drip strong phosphoric acid again and the pH value of system is adjusted to 1.5 ~ 2.0, obtain coating liquid provided by the invention.
Embodiment 4
Be the nano silicon dioxide sol NissanSNOWTEX-OUP (20 grams (g) of 50% by solid content, account for 15% of coating liquid total weight parts), then the DSMR986 emulsion (accounting for 10% of coating liquid total weight parts) that 0.75 gram of solid content is 40% is added, 75% of coating liquid total mass is accounted for the water in system by adding 19.0 grams of deionized waters, drip strong phosphoric acid again and the pH value of system is adjusted to 1.5 ~ 2.0, obtain coating liquid provided by the invention.
Embodiment 5
Be the nano silicon dioxide sol NissanSNOWTEX-OUP (30 grams (g) of 50% by solid content, account for 15% of coating liquid total weight parts), then the DSMR986 emulsion (accounting for 10% of coating liquid total weight parts) that 0.75 gram of solid content is 40% is added, 75% of coating liquid total mass is accounted for the water in system by adding deionized water, drip strong phosphoric acid again and the pH value of system is adjusted to 1.5 ~ 2.0, obtain coating liquid provided by the invention.
Embodiment 6
Be the nano silicon dioxide sol NissanSNOWTEX-OUP (40 grams (g) of 50% by solid content, account for 15% of coating liquid total weight parts), then the DSMR986 emulsion (accounting for 10% of coating liquid total weight parts) that 0.75 gram of solid content is 40% is added, 75% of coating liquid total mass is accounted for the water in system by adding deionized water, drip strong phosphoric acid again and the pH value of system is adjusted to 1.5 ~ 2.0, obtain coating liquid provided by the invention.
Above-described embodiment 1-6 gained coating liquid carries out the anti-reflection curve of visible ray of gained coatings after plated film as shown in Figures 1 to 6.As seen from the figure, coating liquid provided by the invention after film forming, has good sticking power with glass on glass, and can reduce the reflectivity of glass, and improve the visible light transmissivity of glass, in ultra-clear glasses, the anti-reflection rate of coatings is greater than 3%.This coating liquid is with its coating and dry matrix provides " antireflection " character.Being applied to, matrix widens the view provides antireflection or its antireflective properties, reduces dazzle by increasing the light transmission of coated matrix.Preferably, at 550mm (such as, human eye shows the wavelength of the highest photo-optics response) place, when comparing with uncoated matrix, the transmission that the matrix of one-sided coating shows normal incident light adds at least 0.5 percentage point, such as glass basis; The matrix of twosided application then increases at least 3 percentage points, the most nearly more than 10 percentage points.Preferably, use the light of 550mm, when comparing with uncoated matrix, the glass basis of one-sided coating demonstrates percentage transmission increase at least 0.5%, and more preferably at least 3%.Preferably, use the light of 550mm, when comparing with uncoated matrix, the plastic substrate of one-sided coating demonstrates the percentage transmission increase at least 2% of plastics, and the matrix of twosided application then increases more preferably at least 5%, is most preferably greater than 8%.For the matrix of twosided application, the increase of percentage transmission is generally the twice of one-sided coating.When required usage relates to obviously " from axle " (that is, illegally to) viewing or unwanted reflex time, the gain of visibility can be larger, particularly when reflecting close to or exceeding the brightness of observed object.
In addition, spheroidal particle and being combined of stripe shape particle are conducive to obtaining higher antireflection coating layer.And PU emulsion can disappear at high-temperature sintering process, so the transparence of plated film layer also can be improved.
Claims (9)
1. prepare a method for coating liquid, comprise the steps:
After nano silicon dioxide sol, PU emulsion and dispersion agent being mixed, the pH value adding sour regulation system is 1.5-4, obtains described coating liquid.
2. method according to claim 1, is characterized in that: the mass parts of described nano silicon dioxide sol is 5-30 part;
The mass parts of described PU emulsion is 1-10 part;
The mass parts of described dispersion agent is 60-95 part;
And/or described acid is phosphoric acid, sulfuric acid, hydrochloric acid or nitric acid;
And/or described dispersion agent is water.
3. method according to claim 1 and 2, is characterized in that: the solid content of described nano silicon dioxide sol is 40-60%;
The particle diameter of described nano silicon is 4nm-50nm;
The solid content of described PU emulsion is 30-50%, is specially 40%;
Described PU emulsion is specially DSMR986 emulsion.
4. the coating liquid that in claim 1-3, arbitrary described method prepares.
5. coating liquid described in claim 4 is preparing the application in antireflective material.
6. the antireflective material prepared by coating liquid described in claim 4.
7. application according to claim 5 or antireflective material according to claim 6, is characterized in that: described antireflective material is anti-reflective glass, is specially the anti-reflective glass of solar cell cover plate;
Described anti-reflective glass specifically obtains according to the method comprised the steps: coating liquid described in claim 4 is coated in glass surface, dry and obtain.
8. application according to claim 7 or antireflective material, is characterized in that: the method for described coating is showering, dip-coating, spraying or roller coat;
In described drying step, temperature is 300-720 DEG C, and the time is 2min-15min.
9., according in the arbitrary described application of claim 5-8 or antireflective material, it is characterized in that: in described antireflective material, the thickness of coatings is 100nm-150nm.
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| CN201510679374.5A CN105330168A (en) | 2015-10-19 | 2015-10-19 | Antireflection film coating liquid, and preparation method and applications thereof |
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| CN201510679374.5A CN105330168A (en) | 2015-10-19 | 2015-10-19 | Antireflection film coating liquid, and preparation method and applications thereof |
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| CN109133663A (en) * | 2017-06-15 | 2019-01-04 | 阿特斯阳光电力集团有限公司 | The preparation method and photovoltaic module of anti-reflective glass |
| CN115322595A (en) * | 2022-08-23 | 2022-11-11 | 陕西拓日新能源科技有限公司 | Photovoltaic glass coating liquid |
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Application publication date: 20160217 |