CN106007392B - The preparation method of ZnO nano coated glass with hydrophobic performance - Google Patents
The preparation method of ZnO nano coated glass with hydrophobic performance Download PDFInfo
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- CN106007392B CN106007392B CN201610345996.9A CN201610345996A CN106007392B CN 106007392 B CN106007392 B CN 106007392B CN 201610345996 A CN201610345996 A CN 201610345996A CN 106007392 B CN106007392 B CN 106007392B
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- zno
- zno nano
- hydrophobic performance
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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
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
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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
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/216—ZnO
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- 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)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a kind of preparation methods of the ZnO nano coated glass with hydrophobic performance.First ZnO aggregate species sublayer colloidal sols are prepared with sol-gal process;Then ZnO compound seed layer films are plated on ito glass using dip-coating method, is heat-treated with certain temperature in Muffle furnace;Then the above-mentioned ZnO compound seed layer film substrates prepared are put into hydro-thermal reaction in ZnO growth solutions to handle, prepare ZnO nano coating, obtains the ZnO nano coated glass materials with hydrophobic performance.The ZnO nano coated glass with hydrophobic performance that is obtained of the present invention transmitance to visible light and can reach 65% or more after ultra-violet and visible spectrophotometer is tested to UV Absorption, shield effectiveness;After contact angle tester (DSA series) test, 131 ° or more are reached to the contact angle of water.Method provided by the invention does not have secondary harm generation, is conducive to environmental protection.
Description
Technical field
The invention belongs to hydrophobic coating material preparation field, specially a kind of ZnO nano coating glass with hydrophobic performance
The preparation method of glass.
Background technology
Contact angle refers to made by edge that the surface of solids is contacted with liquid surface one between tangent line and surface
The angle of formation.We can by using the size of contact angle values come judge Wettability of Solid Surface can it is good with not
It is good.In daily life, the surface when hydrophobic surface that we mention refers to substrate to the contact angle of water more than 90 °.In recent years,
The research and development of hydrophobic glass surface is very fast, and when the contact angle of the water between water droplet and glass surface is more than 90 °, we claim this
The surface of kind glass is hydrophobic glass surface.Substrate surface drips upper drop when, due to the wetability of the surface of solids
Difference, drop will appear different shapes.The surface wettability of material depends on the surface chemistry composition and surface shape of material
Looks structure, therefore the surface chemistry composition for controlling material can effectively control the wetability of material surface with surface topography
Can, when there is material surface very low surface free energy, material can show hydrophobicity.
Glass curtain wall decorates method as a kind of novel construction wall, it has also become modern tall and high-rise building epoch
Notable feature.However, simple glass not anti-pollution, with increasingly sharpening for environmental pollution, people bring environmental degradation
The understanding of harm and requirement to environmental protection are being gradually increased;People are to using with environmental-protection function and utilizing natural conditions
Reach automated cleaning effect, and the requirement that can play the role of the green building material beautified the environment is more and more urgent.With hydrophobic performance
Glass appearance, meet this wonderful dream of people, keep realization of the people from target also increasingly closer.Simple glass is passing through
After crossing special either physically or chemically processing, can obtain surface has the Hydrophobic glass of peculiar physical properties, and water droplet is made to exist
Its surface has certain hydrophobicity, can prepare and no longer be needed by traditional artificial after further handling
Clean but can reach under the souring of natural rainwater the coated glass of cleaning effect.Therefore, research prepares hydrophobic glass
Glass has extraordinary development prospect.
As third generation semi-conducting material, extensive concern that ZnO is received.The preparation method of ZnO is more, has wide prohibit
Band, the feature that dielectric constant is small, electron transport ability is fast.Nano-ZnO is a kind of novel inorganic product geared to the 21st century, is had
Many special properties, large specific surface area, electron transport ability are fast, energy gap is big, have and preferably cover imparted energy,
Its UV shielding rate is up to 98%;The nanometer coarse structure of ZnO nanorod makes its surface have hydrophobicity mechanism.
Invention content
The present invention using ZnO as a kind of coating material the plated film on ito glass, compared with simple glass, receiving based on ZnO
The hydrophobic performance of rice coated glass is more preferable.
It is an object of the invention to propose a kind of preparation method of the ZnO nano coated glass with hydrophobic performance.
A kind of preparation method of ZnO nano coated glass with hydrophobic performance provided by the invention is as follows:First with molten
Sol-gel prepares ZnO aggregate species sublayer colloidal sols;Then it is thin ZnO aggregate species sublayers to be plated on ito glass using dip-coating method
Film is heat-treated in Muffle furnace with certain temperature;Then the above-mentioned ZnO compound seed layer film substrates prepared are put into
Hydro-thermal reaction is handled in ZnO growth solutions, is prepared ZnO nano coating, is obtained the ZnO nano coated glass material with hydrophobic performance
Material.
The present invention is further given at the specific process parameter on the basis of the above method:
1, the technological parameter of ZnO aggregate species sublayer colloidal sols is prepared:It is single using zinc acetate as presoma using sol-gal process
Ethanol amine is complexing agent, and ethylene glycol monomethyl ether is solvent, and anionic surfactant neopelex is prepared
The ZnO aggregate species sublayer colloidal sols of 0.1mol/L~0.3mol/L.
2, the technological parameter of ZnO aggregate species sublayers is prepared:Ito glass substrate is dipped vertically into the ZnO complex sols prepared
Middle 20s makes colloidal sol be come into full contact with ito glass substrate surface, then vertically lifts ito glass base with the speed of 6cm/min
Wet film is put into 100 DEG C of 15~20min of drying and processing of progress in insulating box, repeats aforesaid operations, film is put into Muffle furnace by piece
In at 400 DEG C be heat-treated 3~4h, obtain ZnO compound seed layer films.
3, the technological parameter of ZnO nano coating is prepared:1 is pressed with zinc nitrate and hexamethylenetetramine:1 configuration 0.02mol/L
The growth solution 200mL of~0.05mol/L, is added 0.2g anionic surfactant neopelexes, and stirring is equal
It is even to being completely dissolved.The ito glass substrate for having ZnO compound seed layer films that will be prepared, conduction downwards, are put into ZnO lifes
In long solution, 3~4h of water-bath at 90 DEG C prepares ZnO nano coating, obtains the ZnO nano coating with hydrophobic performance
Glass material.
The present invention gives preferred scheme, specific as follows:
First, the ZnO seed layer colloidal sol 100mL of 0.1mol/L~0.3mol/L are prepared with sol-gal process, and are added
0.2g anionic surfactant neopelexes obtain aggregate species sublayer colloidal sol;Then dip-coating method is used
Membrane prepares ZnO compound seed layer films on ito glass, 3~4h of heat treatment is carried out for 400 DEG C in Muffle furnace;It then will be upper
State the ZnO compound seeds layer film for preparing the 0.02mol/L~0.05mol/L configured doping 0.2g anionic tables
In the ZnO growth solutions of face activating agent neopelex at a temperature of 90 DEG C 3~4h of water-bath, prepare ZnO nano
Coating obtains the ZnO nano coated glass materials of hydrophobic performance.
The present invention the mechanism of action be:The specific surface area of ZnO nanorod is larger, covers the functional of ultraviolet light;ZnO receives
It, not only can be with by the way that anionic surfactant neopelex is added on the basis of the nanometer coarse structure of rice stick
It further changes the nanometer coarse structure of ZnO and the surface chemistry composition i.e. surface free energy of ZnO can be changed, ZnO is made to receive
Rice coating surface has hydrophobic mechanism.
There are two advantages for ZnO nano coating material tool:First, there is preferable photochemical effect and cover imparted energy;
Second is that ZnO nano coating has nanometer coarse structure and low surface free energy, this just makes ZnO become ideal ultraviolet light
It absorbs and shielding material and hydrophobic inorganic thin-film material.
The ZnO nano coated glass materials for having hydrophobic performance that the present invention is obtained, due to adding detergent alkylate sulphur
Sour sodium, after ultra-violet and visible spectrophotometer is tested, transmitance to visible light and equal to UV Absorption, shield effectiveness
65% or more can be reached;After contact angle tester (DSA series) test, 131 ° or more are reached to the contact angle of water.
Beneficial effects of the present invention:
1, method of the invention is easily operated, and result is reproducible, and property is stablized, and disclosure satisfy that the city of Hydrophobic glass
Field development prospect.
2, raw material are easily purchased and at low cost, with good performance while realizing stabilization function.
3, the method for the present invention product does not generate secondary harm, is conducive to environmental protection.
Description of the drawings
Fig. 1 is to have the figure that the scanned Electronic Speculum of ZnO nano coated glass materials of hydrophobic performance observes obtained by embodiment
Picture.
Fig. 2 is to have the ZnO nano coated glass materials of hydrophobic performance through ultraviolet-visible spectrophotometric obtained by embodiment
Count absorptivity volume test result.
Fig. 3 is to have the ZnO nano coated glass materials of hydrophobic performance through ultraviolet-visible spectrophotometric obtained by embodiment
Count my test result of transmissivity.
Fig. 4 is to have the ZnO nano coated glass materials of hydrophobic performance through contact angle tester (DSA obtained by embodiment
Series) test result.
Specific implementation mode
The following examples can make those skilled in the art that the present invention be more completely understood, but not limit in any way
The present invention.
Embodiment
First, the ZnO seed layer colloidal sol 100mL of 0.3mol/L are prepared with sol-gal process, and 0.2g anionics are added
Surfactant sodium dodecyl base benzene sulfonic acid sodium salt, constant temperature stirs 2h under the conditions of 50 DEG C, obtains aggregate species sublayer colloidal sol;Then using leaching
Stain czochralski method membrane prepares ZnO compound seed layer films on ito glass, heat treatment 4h is carried out for 400 DEG C in Muffle furnace;It connects
It and the above-mentioned ZnO compound seeds layer film prepared is lived on the doping 0.2g anionics surface of the 0.05mol/L configured
Property agent neopelex ZnO growth solutions under 90 DEG C of constant temperatures water-bath 4h, prepare ZnO nano painting
Layer, obtains the ZnO nano coated glass materials of hydrophobic performance, and Fig. 1 is to have the ZnO nano coated glass materials of hydrophobic performance to pass through
The image that scanning electron microscope observation arrives.
The ZnO nano coated glass for having hydrophobic performance that the present invention is obtained, is tested through ultra-violet and visible spectrophotometer
Afterwards, 65% or more can be reached to the transmitance of visible light and to UV Absorption, shield effectiveness, test result such as Fig. 2, figure
Shown in 3;After contact angle tester (DSA series) test, 131 ° or more are reached to the contact angle of water, test result such as Fig. 4
It is shown.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (2)
1. the preparation method of the ZnO nano coated glass with hydrophobic performance, which is characterized in that steps are as follows for this method:
(1) sol-gal process is used to prepare ZnO aggregate species sublayer colloidal sols, using zinc acetate as presoma, monoethanolamine is complexing agent,
Ethylene glycol monomethyl ether is solvent, and anionic surfactant neopelex prepares 0.1mol/L~0.3mol/L's
ZnO aggregate species sublayer colloidal sols;
(2) ZnO compound seed layer films are plated on ito glass using dip-coating method, is carried out with certain temperature in Muffle furnace
Heat treatment, obtains ZnO compound seed layer films;
(3) the ZnO compound seed layer film substrates that above-mentioned steps (2) prepare are put into ZnO growth solutions at hydro-thermal reaction
Reason, prepares ZnO nano coating, obtains the ZnO nano coated glass materials with hydrophobic performance;The step of hydro-thermal reaction, is specific
To press 1 with zinc nitrate and hexamethylenetetramine:The growth solution 200mL of 1 configuration 0.02mol/L~0.05mol/L, is added 0.2g
Anionic surfactant neopelex, is evenly stirred until and is completely dissolved;There are ZnO compound seeds by what is prepared
The ito glass substrate of layer film, it is conductive to be put into ZnO growth solutions, 3~4h of water-bath at 90 DEG C downwards, it prepares
ZnO nano coating obtains the ZnO nano coated glass materials with hydrophobic performance;It is characterized in that, using anionic table
Change the nanometer of ZnO nano coating in face activating agent neopelex incorporation ZnO seed layers colloidal sol and ZnO growth solutions
Coarse structure and surface free energy.
2. the preparation method of the ZnO nano coated glass according to claim 1 with hydrophobic performance, which is characterized in that
ZnO compound seed layer films are plated on ito glass using dip-coating method in the step (2), with certain in Muffle furnace
It is that ito glass substrate is dipped vertically into 20s in the ZnO complex sols prepared that temperature, which carries out heat treatment, makes colloidal sol and ito glass base
Piece surface comes into full contact with, and then vertically lifts ito glass substrate with the speed of 6cm/min, by wet film be put into insulating box into
100 DEG C of 15~20min of drying and processing of row repeat aforesaid operations, and film is put into Muffle furnace 3~4h of heat treatment at 400 DEG C,
Obtain ZnO compound seed layer films.
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Families Citing this family (6)
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CN106746725B (en) * | 2017-03-21 | 2019-05-28 | 天津城建大学 | A kind of preparation method of novel ZnO nano laminated structure coating |
CN109879607A (en) * | 2019-03-28 | 2019-06-14 | 中国民航大学 | The preparation method of the modified hydrophobic automatically cleaning film of ZnO/ZnS nano-chip arrays |
CN110606669A (en) * | 2019-08-27 | 2019-12-24 | 晟光科技股份有限公司 | Coating process of glass touch panel |
CN110698079A (en) * | 2019-12-04 | 2020-01-17 | 新沂市复兴玻璃制品有限公司 | Water-stain-proof glassware and manufacturing process thereof |
CN112557287A (en) * | 2020-09-23 | 2021-03-26 | 盐城工学院 | Anti-ultraviolet research method for knitted single jersey nano zinc oxide sol |
CN116695091B (en) * | 2023-08-01 | 2023-09-29 | 南京原磊纳米材料有限公司 | Hydrophobic conductive film and preparation method and application thereof |
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