CN107057417A - Anti-electrostatic nano self-cleaning coating and its anti-electrostatic nano glass with clean of preparation for glass - Google Patents
Anti-electrostatic nano self-cleaning coating and its anti-electrostatic nano glass with clean of preparation for glass Download PDFInfo
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- CN107057417A CN107057417A CN201710324339.0A CN201710324339A CN107057417A CN 107057417 A CN107057417 A CN 107057417A CN 201710324339 A CN201710324339 A CN 201710324339A CN 107057417 A CN107057417 A CN 107057417A
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- 239000011521 glass Substances 0.000 title claims abstract description 53
- 238000004140 cleaning Methods 0.000 title claims abstract description 52
- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 44
- 239000013078 crystal Substances 0.000 claims abstract description 39
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- 239000002159 nanocrystal Substances 0.000 claims abstract description 14
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 11
- 239000012670 alkaline solution Substances 0.000 claims abstract description 9
- 229910010413 TiO 2 Inorganic materials 0.000 claims abstract description 7
- 239000002243 precursor Substances 0.000 claims abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 15
- 239000010936 titanium Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 13
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 6
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229960002163 hydrogen peroxide Drugs 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000008139 complexing agent Substances 0.000 claims description 4
- 229910000474 mercury oxide Inorganic materials 0.000 claims description 4
- UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 claims description 4
- 125000005375 organosiloxane group Chemical group 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 4
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- -1 siloxanes Chemical class 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 description 11
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000002913 oxalic acids Chemical class 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- 239000005348 self-cleaning glass Substances 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- GVFOJDIFWSDNOY-UHFFFAOYSA-N antimony tin Chemical compound [Sn].[Sb] GVFOJDIFWSDNOY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D5/24—Electrically-conducting paints
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Surface Treatment Of Glass (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of self-cleaning coating, more particularly to a kind of anti-electrostatic nano self-cleaning coating and its anti-electrostatic nano glass with clean of preparation for glass belongs to functional membrane manufacturing technology field.Described coating is to be made by the following method：（1）Prepare nano titanium dioxide crystal sol solution：TiO 2 sol is mixed with water, titania gel is formed, by titania gel Hydrothermal Synthesiss, obtains nano titanium dioxide crystal gel；Titanium dioxide crystal is dispersed in water, nano titanium dioxide crystal sol solution is formed；（2）Prepare ATO nanocrystal sol solutions；（3）By step（1）Obtained nano titanium dioxide crystal sol solution is mixed with silicon dioxide gel, ultrasonic disperse, is adjusted system pH to 6 ~ 10 with alkaline solution, is obtained self-cleaning coating precursor；（4）ATO nanocrystals sol solution is mixed with self-cleaning coating presoma, ultrasonic disperse, be sufficiently stirred for obtaining anti-electrostatic nano self-cleaning coating.
Description
Technical field
The present invention relates to a kind of self-cleaning coating, more particularly to a kind of anti-electrostatic nano self-cleaning coating and its system for glass
Standby anti-electrostatic nano glass with clean, belongs to functional membrane manufacturing technology field.
Background technology
Hydrophilic self-cleaning glass is a kind of functional glass, wherein under conditions of having current, the contact angle of water and glass is less than
10 °, water surface tiling glass formation hydrophilic film is attached to the pollutant of glass surface, while can also be removed with current, reaches glass
Self-cleaning effect.
It is, in the processing of original sheet glass clean surfaces, to be pasted from face cleaning that hydrophilic self-cleaning glass, which prepares and is mainly divided into two kinds of one kind,
Plus diaphragm, the later stage, this method advantage was glass surface cleaning appearance to the processing such as original sheet glass doubling, hollow formation glass finished-product
Easily, have the disadvantage to need film surface to protect during meet finished product, and it is more difficult to the self-cleaning processing of LOW-E glass；In addition
One kind is that glass with clean is coated on glass finished-product surface, and this kind of method is a major advantage that solution LOW-E glass is self-cleaning difficult
Problem, has the disadvantage that glass surface cleaning is difficult in glass surface vulnerable to pollution in production procedure, self-cleaning processing procedure.
Glass with clean is during daily use, and the main attached collection of dust is mainly in two forms in glass surface, a kind of
It is that solid particle is enriched in glass surface naturally in air, another reason is that glass belongs to insulator, is existed by Electrostatic Absorption
Glass surface, because electrostatic adsorption force is larger, dust granule is difficult for drop-off.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of anti-electrostatic nano self-cleaning coating for glass, in nanometer
In self-cleaning coating add conductive nano metal oxide, improve self-cleaning coating electrical conductivity, using coating processes plus it is modified yes
Self-cleaning coating is coated in glass surface, and anti-electrostatic nano glass with clean is obtained after dry solidification.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of anti-electrostatic nano self-cleaning coating for glass, the coating is to be made by the following method：
（1）Prepare nano titanium dioxide crystal sol solution：Titanium source is dissolved in pH=1-1.5 acidic organic solvent, dripped
Add water as hydrolytic accelerating agent, wherein mol ratio n (Ti): n(H2O)=1:1 ~ 3, TiO 2 sol is obtained, by titanium dioxide
Colloidal sol is with n (Ti): n(H2O)=1:30 ~ 90 mol ratio is mixed with water, titania gel is formed, by titania gel
6 ~ 12h of Hydrothermal Synthesiss under the conditions of 120 ~ 150 DEG C, obtains nano titanium dioxide crystal gel；
Cleaning is carried out to nano titanium dioxide crystal gel with water and removes foreign ion, with ultrasonic oscillation by titanium dioxide crystal
It is dispersed in water, forms nano titanium dioxide crystal sol solution of the solid content in 0.5%-8%；
（2）Prepare ATO nanocrystal sol solutions：By tin source and antimony source with n (Sn): n(Sb)=10:0.5 ~ 3 mol ratio
Mixed dissolution is added dropwise alkaline solution in pH=1-2 acidic organic solvent, to system and produces yellow mercury oxide, precipitation is carried out clear
Wash, remove the chlorion contained in precipitation, dissolved and precipitated with organic acid complexing agent, then add hydrogen peroxide, and 150 ~ 220
10 ~ 20h of Hydrothermal Synthesiss under the conditions of DEG C, obtains nano antimony tin oxide crystal gel；
Nano antimony tin oxide crystal gel is cleaned with water, tin-antiomony oxide crystal is dispersed in water using ultrasonic oscillation, is formed
Solid content 0.5%-2% ATO nanocrystal sol solutions；
（3）By step（1）Obtained nano titanium dioxide crystal sol solution is with silicon dioxide gel with mol ratio n (Ti):
n(Si) =1:1 ~ 10 mixing, ultrasonic disperse adjusts system pH to 6 ~ 10 with alkaline solution, obtains self-cleaning coating precursor；
（4）By step（2）Obtained ATO nanocrystals sol solution is mixed with self-cleaning coating presoma, wherein mol ratio n
(Ti): n(Sn) =10:1 ~ 3, ultrasonic disperse adjusts pH to 2-6, is sufficiently stirred for obtaining anti-electrostatic nano self-cleaning coating.
Preferably, the preparation method of the silicon dioxide gel is：Organosiloxane is dissolved in pH=2-4 acidity
In organic solvent, the lower addition water of stirring makes mol ratio n (Si): n(H2O) =1:5 ~ 40, promote siloxanes hydrolysis, form dioxy
SiClx colloidal sol, still aging 10-24h obtains silicon dioxide gel of the solid content in 5%-8%.
Preferably, step（2）In, alkaline solution is added dropwise to system pH=4-5, now system generation solid-liquid point to system
Layer.
Preferably, the one kind or several of organosiloxane in tetraethyl orthosilicate, quanmethyl silicate or the butyl ester of silicic acid four
The mixing planted.
Preferably, titanium source is one or more of mixing in butyl titanate, isopropyl titanate or titanium tetrachloride；Acid
Property organic solvent be one or more and the mixing of ethanol in hydrochloric acid, sulfuric acid, nitric acid or acetic acid.
Preferably, step（2）In, organic acid complexing agent is one or more of mixed in oxalic acid, citric acid, tartaric acid
Close；One or more of mixing of the alkaline solution in ammoniacal liquor, sodium hydroxide solution, potassium hydroxide solution.
Preferably, step（2）The mass concentration of the hydrogenperoxide steam generator is 30 ± 5%, n (H2O2):n (Sn4+) =
1-6:4。n(H2O2):n (Sn4+) optimum value be 1:2.
Preferably, nano titanium dioxide crystal sol solution and silicon dioxide gel are with mol ratio n (Ti): n(Si)
=1:3 mixing, hydrophilic effect is optimal.
A kind of method that glass with clean is prepared using described anti-electrostatic nano self-cleaning coating, by the anti-electrostatic nano certainly
Clean coating obtains anti-electrostatic nano glass with clean after being coated in glass surface, dry or tempering.
Beneficial effects of the present invention：
1st, under the conditions of without external excitation, nano-metal-oxide titanium dioxide, tin-antiomony oxide and water contact angle are larger, present invention system
Standby self-cleaning coating is adjusted by acid-base value, makes silica modified nano metal oxide, has metal oxide good
Hydrophily, after coating coating glass, the glass that self-cleaning coating is coated under the conditions of without external excitation has Superhydrophilic；
2nd, the metal oxide titanium dioxide in self-cleaning coating is excited under sunlight condition, produces electron hole pair, has
Superhydrophilic and strong oxidizing property, can oxidization enrichment in glass surface organic matter, and the titanium dioxide excited have it is good
Electric conductivity, less Electrostatic Absorption, while the metal oxide tin antimony added is good conductor, improves self-cleaning film surface electricity
Conductance, reduces Electrostatic Absorption.
Embodiment
Below by specific embodiment, technical scheme is described in further detail.It should be appreciated that this hair
Bright implementation is not limited to the following examples, and any formal accommodation and/or change made to the present invention will all fall
Enter the scope of the present invention.
In the present invention, if not refering in particular to, all part, percentage are unit of weight, equipment and raw material for being used etc.
It is commercially available or commonly used in the art.Method in following embodiments, is the normal of this area unless otherwise instructed
Rule method.
Embodiment 1：
A kind of anti-electrostatic nano self-cleaning coating for glass, the coating is to be made by the following method：
（1）Prepare nano titanium dioxide crystal sol solution：
The preparation of alcohol solvent of pH=1.2 containing hydrochloric acid：The ethanol that mass concentration is 99.7% is taken, is 36.5% with mass concentration
Hydrochloric acid adjust to pH=1.2.
Take 49.92 grams of butyl titanates to be dissolved in alcohol solvent of pH=1.2 containing hydrochloric acid obtained above and form 580 millis
Solution is risen, 3.55 grams of water are added dropwise thereto under agitation, obtains TiO 2 sol, TiO 2 sol is being stirred vigorously bar
It is dissolved under part in 400 grams of water, and in 150 DEG C of Hydrothermal Synthesiss 10 hours.After Hydrothermal Synthesiss, obtain nano titanium dioxide crystal and coagulate
Glue, cleans titania gel crystal, and titanium dioxide crystal gel is dispersed in water under Ultrasonic Conditions, shape using water
Into nano titanium dioxide crystal sol solution of the solid content 0.5%.
（2）Prepare ATO nanocrystal sol solutions：
The preparation of alcohol solvent of pH=1 containing hydrochloric acid：The ethanol that mass concentration is 99.7% is taken, is 36.5% with mass concentration
Hydrochloric acid is adjusted to pH=1.
39 grams of butters of tin and 3.42 grams of trichloride antimonies are taken to be dissolved in alcohol solvent of pH=1 containing hydrochloric acid, stirring condition
Under be added dropwise thereto ammoniacal liquor make its produce yellow mercury oxide, continue be added dropwise ammoniacal liquor arrive system pH=4, now system occur solid-liquid be layered,
Precipitation is cleaned, centrifuged, is precipitated with 5 grams of dissolving oxalic acids, after precipitation is completely dissolved, 8 grams of hydrogenperoxide steam generators are added（Cross
The mass concentration of hydrogen peroxide solution is 30%, similarly hereinafter）, Hydrothermal Synthesiss 10 hours under the conditions of 220 DEG C, to obtaining after Hydrothermal Synthesiss
Nano antimony tin oxide crystal gel cleaned, centrifuged, organics removal, ultrasonic wave is dispersed in water to form solid content 0.5%
ATO nanocrystal sol solutions.
（3）The preparation of alcohol solvent of pH=2.2 containing nitric acid：The ethanol water for taking mass concentration to be 99.7%, uses matter
Amount concentration is adjusted to pH=2.2 for 65% concentrated nitric acid.
The preparation of silicon dioxide gel：216 grams of tetraethyl orthosilicates are taken to be dissolved in ethanol solution of pH=2.2 containing nitric acid, plus
Enter 150 grams of water and promote hydrolytic condensation 650 milliliters of solution of formation, after being aged through hydrolytic condensation, add water, obtain solid content 6% 2
Silica sol, it is standby.
（4）By step（1）Obtained nano titanium dioxide crystal sol solution disperses with silicon dioxide gel ultrasonic wave,
After being uniformly dispersed, under stirring condition, using the pH of ammoniacal liquor regulation solution to 9, and the progress of ATO nanocrystals sol solution is added
Ultrasonic wave disperses, using hydrochloride adjusted solution pH=3, obtains anti-electrostatic nano self-cleaning coating.
Obtained anti-electrostatic nano self-cleaning coating is coated in glass surface by way of showering or roller coating, it is solid through drying
The anti-electrostatic nano glass with clean that contact angle is less than 8 degree is obtained after change.
Embodiment 2：
A kind of anti-electrostatic nano self-cleaning coating for glass, the coating is to be made by the following method：
（1）Prepare nano titanium dioxide crystal sol solution：
The preparation of alcohol solvent of pH=1.2 containing hydrochloric acid：The ethanol that mass concentration is 99.7% is taken, is 36.5% with mass concentration
Hydrochloric acid adjust to pH=1.2.
Take 49.92 grams of butyl titanates to be dissolved in alcohol solvent of pH=1.2 containing hydrochloric acid obtained above and form 550 millis
Solution is risen, 3.46 grams of water are added dropwise thereto under agitation, obtains TiO 2 sol, TiO 2 sol is being stirred vigorously bar
It is dissolved under part in 380 grams of water, and in 140 DEG C of Hydrothermal Synthesiss 8 hours.After Hydrothermal Synthesiss, obtain nano titanium dioxide crystal and coagulate
Glue, cleans titania gel crystal, and titanium dioxide crystal gel is dispersed in water under Ultrasonic Conditions, shape using water
Into nano titanium dioxide crystal sol solution of the solid content 0.1%.
（2）Prepare ATO nanocrystal sol solutions：
The preparation of alcohol solvent of pH=1 containing hydrochloric acid：The ethanol that mass concentration is 99.7% is taken, is 36.5% with mass concentration
Hydrochloric acid is adjusted to pH=1.
39 grams are taken to take butter of tin and 3.42 grams of trichloride antimonies to be dissolved in alcohol solvent of pH=1 containing hydrochloric acid, stirring bar
Ammoniacal liquor is added dropwise under part thereto makes it produce yellow mercury oxide, continues to be added dropwise ammoniacal liquor to system pH=4, now system generation solid-liquid point
Layer, is cleaned to precipitation, is centrifuged, and is precipitated using 5 grams of dissolving oxalic acids, after precipitation is completely dissolved, and adds 10 grams of hydrogen peroxide
Solution, Hydrothermal Synthesiss 15 hours under the conditions of 220 DEG C are carried out clearly after Hydrothermal Synthesiss to the nano antimony tin oxide crystal gel of acquisition
Wash, centrifuge, organics removal, ultrasonic wave is dispersed in water the ATO nanocrystal sol solutions to form solid content 1%.
（3）The preparation of alcohol solvent of pH=2.2 containing hydrochloric acid：The ethanol for taking mass concentration to be 99.7%, uses mass concentration
Adjusted for 36.5% hydrochloric acid to pH=2.2.
The preparation of silicon dioxide gel：155 grams of quanmethyl silicates are taken to be dissolved in alcohol solvent of pH=2.2 containing hydrochloric acid, plus
Enter 200 grams of water and promote hydrolytic condensation 600 milliliters of solution of formation, after being aged through hydrolytic condensation, add water, obtain solid content 7% 2
Silica sol, it is standby.
（4）By step（1）Obtained nano titanium dioxide crystal sol solution disperses with silicon dioxide gel ultrasonic wave,
After being uniformly dispersed, under stirring condition, using the pH of ammoniacal liquor regulation solution to 6, and the progress of ATO nanocrystals sol solution is added
Ultrasonic wave disperses, using hydrochloride adjusted solution pH=4, obtains anti-electrostatic nano self-cleaning coating.
Obtained anti-electrostatic nano self-cleaning coating is coated in glass surface by way of showering or roller coating, it is solid through drying
The anti-electrostatic nano glass with clean that contact angle is less than 9 degree is obtained after change.
Embodiment described above is a kind of preferably scheme of the present invention, not makees any formal to the present invention
Limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (9)
1. a kind of anti-electrostatic nano self-cleaning coating for glass, it is characterised in that the coating is to be made by the following method：
（1）Prepare nano titanium dioxide crystal sol solution：Titanium source is dissolved in pH=1-1.5 acidic organic solvent, dripped
Add water as hydrolytic accelerating agent, wherein mol ratio n (Ti): n(H2O)=1:1 ~ 3, TiO 2 sol is obtained, by titanium dioxide
Colloidal sol is with n (Ti): n(H2O)=1:30 ~ 90 mol ratio is mixed with water, titania gel is formed, by titania gel
6 ~ 12h of Hydrothermal Synthesiss under the conditions of 120 ~ 150 DEG C, obtains nano titanium dioxide crystal gel；
Cleaning is carried out to nano titanium dioxide crystal gel with water and removes foreign ion, with ultrasonic oscillation by titanium dioxide crystal
It is dispersed in water, forms nano titanium dioxide crystal sol solution of the solid content in 0.5%-8%；
（2）Prepare ATO nanocrystal sol solutions：By tin source and antimony source with n (Sn): n(Sb)=10:0.5 ~ 3 mol ratio
Alkaline solution, which is added dropwise, in pH=1-2 acidic organic solvent, to system in mixed dissolution makes generation yellow mercury oxide, and precipitation is carried out
Cleaning, is dissolved with organic acid complexing agent and precipitated, then add hydrogen peroxide, and under the conditions of 150 ~ 220 DEG C Hydrothermal Synthesiss 10 ~
20h, obtains nano antimony tin oxide crystal gel；
Nano antimony tin oxide crystal gel is cleaned with water, tin-antiomony oxide crystal is dispersed in water using ultrasonic oscillation, is formed
Solid content 0.5%-2% ATO nanocrystal sol solutions；
（3）By step（1）Obtained nano titanium dioxide crystal sol solution is with silicon dioxide gel with mol ratio n (Ti):
n(Si) =1:1 ~ 10 mixing, ultrasonic disperse adjusts system pH to 6 ~ 10 with alkaline solution, obtains self-cleaning coating precursor；
（4）By step（2）Obtained ATO nanocrystals sol solution is mixed with self-cleaning coating presoma, wherein mol ratio n
(Ti): n(Sn) =10:1 ~ 3, ultrasonic disperse adjusts pH to 2-6, is sufficiently stirred for obtaining anti-electrostatic nano self-cleaning coating.
2. the anti-electrostatic nano self-cleaning coating according to claim 1 for glass, it is characterised in that：The titanium dioxide
The preparation method of Ludox is：Organosiloxane is dissolved in pH=2-4 acidic organic solvent, the lower addition water of stirring makes to rub
You are than n (Si): n(H2O) =1:5 ~ 40, promote siloxanes hydrolysis, form silicon dioxide gel, still aging 10-24h is obtained
To solid content 5%-8% silicon dioxide gel.
3. the anti-electrostatic nano self-cleaning coating according to claim 2 for glass, it is characterised in that：Organosiloxane is selected
One or more of mixing from tetraethyl orthosilicate, quanmethyl silicate or the butyl ester of silicic acid four.
4. the anti-electrostatic nano self-cleaning coating according to claim 1 or 2 for glass, it is characterised in that：Titanium source is titanium
One or more of mixing in sour four butyl esters, isopropyl titanate or titanium tetrachloride；Acidic organic solvent is hydrochloric acid, sulfuric acid, nitre
One or more and the mixing of ethanol in acid or acetic acid.
5. the anti-electrostatic nano self-cleaning coating according to claim 1 for glass, it is characterised in that：Step（2）In, have
Machine acid complexing agent is one or more of mixing in oxalic acid, citric acid, tartaric acid；The alkaline solution is selected from ammoniacal liquor, hydrogen-oxygen
Change one or more of mixing in sodium solution, potassium hydroxide solution.
6. the anti-electrostatic nano self-cleaning coating according to claim 1 for glass, it is characterised in that：Step（2）It is described
The mass concentration of hydrogenperoxide steam generator is 30 ± 5%, n (H2O2):n (Sn4+) =1-6:4。
7. the anti-electrostatic nano self-cleaning coating according to claim 1 for glass, it is characterised in that：Step（2）In, to
Alkaline solution is added dropwise to system pH=4-5 in system.
8. the anti-electrostatic nano self-cleaning coating according to claim 1 for glass, it is characterised in that：Nanometer titanium dioxide
Titanium crystal sol solution is with silicon dioxide gel with mol ratio n (Ti): n(Si) =1:3 mixing.
9. the method that the anti-electrostatic nano self-cleaning coating described in a kind of use claim 1 prepares glass with clean, it is characterised in that：
Anti-electrostatic nano glass with clean is obtained after the anti-electrostatic nano self-cleaning coating is coated in into glass surface, dry or tempering.
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