CN107434360A - A kind of super hydrophilic dose, preparation method and super hydrophilic glass for vehicle window - Google Patents
A kind of super hydrophilic dose, preparation method and super hydrophilic glass for vehicle window Download PDFInfo
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- CN107434360A CN107434360A CN201710738869.XA CN201710738869A CN107434360A CN 107434360 A CN107434360 A CN 107434360A CN 201710738869 A CN201710738869 A CN 201710738869A CN 107434360 A CN107434360 A CN 107434360A
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Classifications
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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
- C03C2217/44—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the composition of the continuous phase
- C03C2217/445—Organic continuous phases
-
- 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
-
- 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
- C03C2218/116—Deposition methods from solutions or suspensions by spin-coating, centrifugation
Abstract
It is particularly a kind of super hydrophilic dose, it is characterised in that to be made up of following component the present invention relates to hydrophilic glass technical field：0.08~0.33wt% tin oxide nano particles, 2~5wt% carbon nanotube dust, 0.2~0.8wt% polyvinyl alcohol, surplus are dispersion liquid；The carbon nanotube dust is the single wall or multi-walled carbon nanotube of powder shaped, and the tin oxide nano particles are attached to the surface of the CNT.The present invention simultaneously a kind of super hydrophilic dose of preparation method is also provided and be provided with super hydrophilic dosage form into super-hydrophilic coating super hydrophilic glass for vehicle window.Advantage is：Visible light transmissivity is high, can absorb under infra-red radiation and non-illumination condition still with good super hydrophilic characteristic.
Description
Technical field：
It is particularly a kind of super hydrophilic dose the present invention relates to hydrophilic glass technical field, super hydrophilic dose of preparation method and set
It is equipped with the super hydrophilic glass for vehicle window of super-hydrophilic coating.
Background technology：
The wetability of material surface is always the focus of academic and industrial circle concern, super hydrophilic and super-hydrophobic be used as two kinds of poles
Special wetting phenomena is held, has attracted the widely studied of domestic and foreign scholars in recent years.In general, super hydrophobic surface refers to solid-liquid
Contact angle is more than 150 ° of surface.On the contrary, ultra-hydrophilic surface refers to that liquid can spread completely, and cause contact angle be equal to or
Close to 0 ° of surface.With it is super-hydrophobic research compared with, super hydrophilic aspect research it is less, but due to ultra-hydrophilic surface uniqueness wetting
Feature so that ultra-hydrophilic surface has the advantages that automatically cleaning, high heat transfer.Earliest it is found out that super hydrophilic characteristic is to be based on two
The photocatalysis characteristic of titanium oxide, after by ultraviolet light, water and titanium dioxide semiconductor film contacts, contact angle are decreased to rapidly
0±1°.Its principle generates active oxygen radical for the bridge location oxygen of titanium dioxide surface after by ultraviolet excitation, react and give birth to hole
Into epoxide hole, water absorption turns into chemical absorbed water in epoxide hole, so as to form equally distributed nanoscale on surface
Hydrophilic microcell.This super hydrophilic property has important application in terms of antifog glass, self-cleaning glass.
However, the significant drawback that titanium deoxid film is used for self-cleaning glass embodies both ways：First, can be by illumination
Conditionality, that is, it must have the super hydrophilic characteristic of competence exertion under conditions of light irradiation；Second, the printing opacity of coating of titanium dioxide
Property is poor, is not appropriate for being directly used in glass coating.
Comparatively, equally the tin ash with photocatalysis characteristic is the n-type semiconductor electrically conducting transparent of a kind of wide energy gap
Material, it is seen that light and ir transmissivity can reach 80%, be more than 2 to optical index, extinction coefficient tends to 0, and and glass
There is good combination with hard materials such as ceramics, its adhesion can reach 20MPa.Meanwhile also have under water environment
There is good chemical stability, be highly suitable as the self-cleaning coating of transparent glass surface.Nevertheless, want to give full play to
The above-mentioned excellent properties of tin ash, need also exist for lasting illumination condition.
On the other hand, now widely used glass, such as vehicle glass, building glass use silicate material system
Into especially, sandwich-type silicate glass typically being used to improve glass impact strength for the windshield of automobile.So
And this kind of silicate interlayer glass light is high according to transmitance, especially in Summer High-Temperature Times, high intensity visible light-transmissive automotive front baffle folder
Layer glass, not only hinders driver's sight, causes visual fatigue, cause binocular dizzy, and increase drives risk, moreover, strong
Infrared emanation can also improve vehicle interior temperature, the living load that increase on-board air conditioner is brought, be unfavorable for automobile to energy-saving and environmental protection side
To sustainable development.Therefore, it is necessary to designing a kind of new glass for vehicle window realizes light adaptation function, i.e., according to internal and external environment
The temperature difference, visible light-transmissive intensity is automatically adjusted, while absorb infrared emanation.
In view of the above problems, it is special to propose this invention.
The content of the invention：
The technical problems to be solved by the invention are to be directed to above-mentioned technical problem existing for existing hydrophilic glass, there is provided a kind of
It is that use condition is not limited by illumination, have good super hydrophilic characteristic, visible light transmissivity high and infra-red radiation can be absorbed
Super hydrophilic dose.The present invention also provides a kind of super hydrophilic dose of preparation method simultaneously, and inner surface is coated with super-hydrophilic coating
Super hydrophilic glass for vehicle window.
The technical scheme adopted by the invention to solve the technical problem is that：It is a kind of super hydrophilic dose, it is characterised in that by following
Component forms：0.08~0.33wt% tin oxide nano particles, 2~5wt% carbon nanotube dust, 0.2~0.8wt%
Polyvinyl alcohol, surplus is dispersion liquid；The carbon nanotube dust be powder shaped single wall or multi-walled carbon nanotube, the dioxy
Change the surface that tin nanoparticles are attached to the CNT.
Further, a diameter of 0.3~1.2um of the tin oxide nano particles.
Further, a diameter of 1.5~3nm of the CNT, length are 10~100um.
Further, the wall number of the CNT is 1~4.
Further, the dispersion liquid is 4~7 by volume ratio:1 dispersant and dilute acid soln composition.
Further, the dilute acid soln is that watery hydrochloric acid of the Solute mass fraction less than 20% or Solute mass fraction are less than
70% dilute sulfuric acid.
Further, the dispersant is ethanol, isopropanol or n-hexyl alcohol.
Further, the tin oxide nano particles are attached to the surface formation bead string type structure of the CNT.
The present invention also provides super hydrophilic dose of preparation method described in more than one simultaneously, it is characterised in that including as follows
Step：Step 1：Prepare tin oxide nano particles；Step 2：It is 4~7 by volume ratio:1 dispersant and dilute acid soln mixing
Dispersion liquid is formed, then adds 2~5wt% carbon nanotube dust, the pH value for making solution is 3~5, then is stirred at 25~30 DEG C
1~3h is mixed, it is well mixed to obtain carbon nano tube dispersion liquid；Step 3：0.08~0.33wt% tin oxide nano particles are added
Enter into the carbon nano tube dispersion liquid, add 0.2~0.8wt% polyvinyl alcohol, stir 1~2h, you can be made super close
Aqua.
Further, the preparation method of the tin oxide nano particles is：It is 1 by volume ratio:3~6 surface-active
Agent and auxiliary agent are added in organic solvent, and the concentration of the surfactant is 0.2~0.8mol/L；Add by 20~
The water-soluble polymers of 30wt% gelatin and 5~10wt% polyvinyl alcohol composition, the volume ratio of itself and organic solvent is 1：
30~40；The tin source dissolved through the tert-butyl alcohol is added, the volume ratio of itself and organic solvent is 1：20~40, and at 20~40 DEG C
Condensation reaction is hydrolyzed and obtains reaction system；The reaction system obtains dioxy after being demulsified, centrifuge, washing and being freeze-dried
Change tin nanoparticles.
Further, the surfactant is hexadecyltrimethylammonium chloride or cetyl trimethylammonium bromide,
The auxiliary agent is n-butanol, n-amyl alcohol, n-hexyl alcohol or cyclohexanol, and the organic solvent is pentane, n-hexane, hexamethylene or just
Heptane.
Further, the demulsifier used during the demulsification is methanol, ethanol or propyl alcohol；The washing process uses
Detergent be hexamethylene, benzene or carbon tetrachloride；The temperature of the freezing dry process is -50~-30 DEG C.
The present invention also provides a kind of super hydrophilic glass for vehicle window simultaneously, it is characterised in that：Including glass substrate and by above institute
The super hydrophilic dosage form stated into super-hydrophilic coating, the super-hydrophilic coating is arranged on the in-car surface of direction of the glass substrate
On.
Further, the thickness of the super-hydrophilic coating is 10~30um.
Further, the super hydrophilic dosage form is into the method for super-hydrophilic coating, by spraying or being spin-coated on glass substrate
Surface on coat super hydrophilic dose, after be placed on 3~6min in 60~80 DEG C of baking oven, and be cooled to room temperature.
Further, the super hydrophilic dosage form is into the method for super-hydrophilic coating, by spraying or being spin-coated on glass substrate
Surface on coat super hydrophilic dose, after be placed on 3~6min in 60~80 DEG C of baking oven, and be cooled to room temperature, then put
In heating furnace, 120 DEG C are warming up to 2~4 DEG C/min, is incubated 1~1.5h, then 500 DEG C are warming up to 2~4 DEG C/min, insulation
2~3h, it is cooled to room temperature.
Due to taking above-mentioned technical proposal, it has the advantages that the present invention：
1) present invention for tin ash be used as coating material face by illumination conditionality, by CNT and dioxy
It is compound to change tin nanoparticles, is prepared for a kind of super hydrophilic dose with bead string type microstructure, improves coating asperity,
Make tin ash that equally there is water-wet behavior under non-illumination condition；
2) the good conduction of CNT itself and the strong absorbability to infrared emanation are combined, this super hydrophilic dose also
High visible light transmissivity can be achieved and absorb the specific function of infra-red radiation；
3) concentrated in the inner surface of super hydrophilic glass for vehicle window of the present invention, steam according to tin oxide nano particles position
Distribution, it can be achieved simultaneously to absorb infrared emanation according to the internal and external environment temperature difference, automatic adjusument visible light-transmissive intensity；
4) manufacture craft of this super hydrophilic dose and glass for vehicle window is simple, can scale processing, in future feature type glass
Field has broad application prospects.
Brief description of the drawings：
Fig. 1 is a kind of partial schematic diagram of super hydrophilic glass for vehicle window of the present invention；
Fig. 2 is a kind of close-up schematic view of super-hydrophilic coating of the present invention；
Label declaration in accompanying drawing：1 is glass substrate, and 2 be super-hydrophilic coating, and 3 be CNT, and 4 be stannic oxide nanometer
Particle.
Embodiment：
Present disclosure is described further below in conjunction with accompanying drawing.
Super hydrophilic dose of one kind of the present invention, it is characterised in that be made up of following component：The two of 0.08~0.33wt%
Tin oxide nanoparticles, 2~5wt% carbon nanotube dust, 0.2~0.8wt% polyvinyl alcohol, surplus are dispersion liquid；Institute
The single wall or multi-walled carbon nanotube that carbon nanotube dust is powder shaped are stated, wall number is preferably 1~4, the stannic oxide nanometer
Grain 4 is attached to the surface of the CNT 3, is preferably formed as bead string type structure, i.e. tin oxide nano particles 4 exist in pearl string
On CNT 3, as shown in Figure 2.
Tin ash has excellent photocatalysis characteristic, while is also the electrically conducting transparent semi-conducting material of a kind of broad stopband,
Glass surface coating material is highly suitable as, makes glass that there is the function such as transparent, conductive, self-cleaning.But it is limited to illumination condition,
Single tin dioxide coatings are difficult to play hydrophilic interaction under non-illumination condition.Therefore, the present invention uses CNT and two
Tin oxide nanoparticles progress is compound, and it is improved by way of improving original coating asperity under non-illumination condition
Hydrophilic ability.
According to Cassie-Baxter models, contact of the liquid with surface is composite contact, i.e., is deposited between drop and groove solid
In retention liquid or air, capillarity is just easily produced when material has preferable hydrophilicity, is adsorbed on water wetted material surface.
By document【Zhang et al.Nature Communication,2013,4:1727】Report inspires, and is obtained after tin source hydrolysis
Tin oxide nano particles be easily absorbing on single-root carbon nano-tube surface, we are by carbon nano tube dispersion liquid and dioxy here
Change tin is compound, and then obtains unique bead string type structure to strengthen tin dioxide coatings asperity.And CNT is in itself
With very strong hydrophobic property, so extraneous moisture will be sent to around stannic oxide particle certainly in the case where high potential energy acts on driving
Concentrate, and do not limited by illumination condition, so as to be advantageously implemented the lasting super hydrophilic characteristic of coating.
On the other hand, the strong absorbability with reference to the good conduction of CNT itself and to infrared emanation is this super
Hydrophilic coating can also be realized through visible ray and absorb the specific function of infra-red radiation.
Further, a diameter of 0.3~1.2um of the tin oxide nano particles, the CNT it is a diameter of
1.5~3nm, length are 10~100um.
Further, the dispersion liquid is that volume ratio is 4~7:1 dispersant and the mixed liquor of dilute acid soln are described dilute
Acid solution is preferably that dilute hydrochloric acid solution of the Solute mass fraction less than 20% or Solute mass fraction are molten less than 70% dilute sulfuric acid
Liquid, the dispersant are preferably ethanol, isopropanol or n-hexyl alcohol.
The present invention also provides super hydrophilic dose of preparation method described in more than one simultaneously, it is characterised in that including as follows
Step：
Step 1：Prepare tin oxide nano particles；
Step 2：It is 4~7 by volume ratio:1 dispersant and dilute acid soln is mixed to form dispersion liquid, then add 2~
5wt% carbon nanotube dust, the pH value for making solution is 3~5, then 1~3h is stirred at 25~30 DEG C, well mixed to obtain carbon
Nanotube dispersion liquid；
Step 3：0.08~0.33wt% tin oxide nano particles are added in the carbon nano tube dispersion liquid, then
0.2~0.8wt% polyvinyl alcohol is added, stirs 1~2h, you can is made super hydrophilic dose.Wherein, wt% is weight percentage, h
For hour, the percentage by weight of above-described each component refers to that it accounts for finally obtained super hydrophilic dose part by weight.
Further, the preparation method of the tin oxide nano particles is：It is 1 by volume ratio:3~6 surface-active
Agent and auxiliary agent are added in organic solvent, and the concentration of the surfactant is 0.2~0.8mol/L；Add by 20~
The water-soluble polymers of 30wt% gelatin and 5~10wt% polyvinyl alcohol composition, the volume ratio of itself and organic solvent is 1：
30~40；The tin source dissolved through the tert-butyl alcohol is added, the volume ratio of itself and organic solvent is 1：20~40, and at 20~40 DEG C
Condensation reaction is hydrolyzed and obtains reaction system；The reaction system obtains dioxy after being demulsified, centrifuge, washing and being freeze-dried
Change tin nanoparticles.
Further, the surfactant is hexadecyltrimethylammonium chloride or cetyl trimethylammonium bromide,
The auxiliary agent is n-butanol, n-amyl alcohol, n-hexyl alcohol or cyclohexanol, and the organic solvent is pentane, n-hexane, hexamethylene or just
Heptane；The demulsifier used during the demulsification is methanol, ethanol or propyl alcohol；The detergent that the washing process uses is ring
Hexane, benzene or carbon tetrachloride；The temperature of the freezing dry process is -50~-30 DEG C.
As shown in figure 1, the present invention also provides a kind of super hydrophilic glass for vehicle window simultaneously, it is characterised in that：Including glass substrate 1
With by above-described super hydrophilic dosage form into super-hydrophilic coating 2, the super-hydrophilic coating 2 is arranged on the court of the glass substrate
To on the inner surface of in-car, the thickness of the super-hydrophilic coating 2 is preferably 10~30um.
In the present invention, the glass for vehicle window can be monolithic glass, laminated glass, vacuum glass, double glazing or its
With reference to.The material of the glass for vehicle window is chosen as plate glass, float glass, quartz glass, borosilicate glass, calcium soda-lime glass
Or plastics, it is special rigid plastics, preferably polyethylene, polypropylene, makrolon, polymethyl methacrylate, polystyrene, poly-
Acid amides, polyester, polyvinyl chloride and/or their mixture.
In the present invention, can be coated by modes such as spraying, spin coating, magnetron sputterings on the surface of glass substrate super close
Aqua, after be placed on 3~6min in 60~80 DEG C of baking oven, and natural cooling.For heatproof glass material, such as silicate
Class, heat treatment is can proceed with, to strengthen adhesion between super-hydrophilic coating and glass substrate.Being heat-treated detailed process is：Will
Glass coated with super hydrophilic dose is placed in heating furnace, is warming up to 120 DEG C with 2~4 DEG C/min, is incubated 1~1.5h, then with 2~4
DEG C/min is warming up to 500 DEG C, 2~3h is incubated, is cooled to room temperature.Wherein, h is hour, and min is minute.
This glazing construction coated with super-hydrophilic coating is highly suitable as automobile front windshield, and it is except possessing
Outside transparent, conductive, automatically cleaning, anti-infrared radiation function, it is strong also visible light-transmissive can adaptively to be adjusted according to vehicle internal-external temperature difference
Degree.Its operation principle is to have benefited from the special microstructure of inner side coating bead string type, and steam is along nano particle integrated distribution.
Summer high temperature weather, in-car open air-conditioning, and internal-external temperature difference is big, cause internal layer surface moisture content high, such visible ray via
It can repeatedly reflect, will greatly weaken through intensity of illumination through steam during internal layer surface；And in the winter time or under overcast sky, it is in-car
The outer temperature difference is relatively low, and inner surface moisture content is low, and such visible ray maintains normally to pass through intensity substantially, is not interfering with human pilot just
Often drive.
The present invention is more at large illustrated below in conjunction with specific embodiment.
Embodiment one：Super hydrophilic dose of preparation
(1) tin oxide nano particles are prepared.3g hexadecyltrimethylammonium chlorides are added in 10ml pentanes, then added
Enter n-amyl alcohol 5ml, being heated with stirring to 60 DEG C is completely dissolved hexadecyltrimethylammonium chloride, then adds 6wt% poly- second
Enol aqueous solution 0.3ml, is cooled to 30 DEG C.Then 0.5ml8wt% tert-butyl alcohol tin/t-butanol solution is added dropwise, 30 DEG C anti-
2h is answered, the demulsification of 12ml ethanol is added, ultrasonic 2min, 10min is centrifuged under 5000rpm rotating speeds.After centrifugation terminates, with 6.5ml tetra-
Chlorination carbon washs solid, centrifugation, -45 DEG C of freeze-drying 6h, you can obtain product.
Above-mentioned to prepare tin oxide nano particles link, specific preparation method refers to Chinese patent CN105819497A
Disclosed " a kind of preparation method of tin oxide nano particles ".To meet the needs of the technology of the present invention, the present invention is in above-mentioned public affairs
Experimental verification is carried out on the basis of cloth patented method, and to the further optimization of parameter.To save space, this is only incorporated in, but it is above-mentioned
All technologies of application disclose the part that also should be regarded as the exposure of the present patent application technology.
(2) carbon nano tube dispersion liquid is prepared.2ml dilute sulfuric acids configuration dispersion liquid is added in 10ml ethanol, adds the more walls of 2g
Carbon nanotube dust, dilute sulfuric acid is then slowly added dropwise, the pH value of solution is tested when being added dropwise, until the pH value of regulation solution is 4,
The then magnetic agitation 2h at 25 DEG C, is well mixed solution.
(3) tin ash/CNT masking liquid is prepared.Take tin oxide nano particles 0.1g made from above-mentioned steps slow
It is added in carbon nano tube dispersion liquid, adds 0.5wt% polyvinyl alcohol 0.5ml, stir 2h, you can is made super hydrophilic dose.
Embodiment two：The making of super hydrophilic glass
(1) clean.Take a glass substrate, cleaned up with detergent and deionized water, then successively with acetone, ethanol,
Water cleans 10min, then is cleaned with deionized water, and drying obtains a cleaned glass substrate.
(2) super-hydrophilic coating prepared in glass baseplate surface spin coating embodiment one.Super hydrophilic dose of 0.3ml is taken to be added dropwise in glass
Glass center, the spin coating 2min under 2000rpm rotating speeds, 5min in 60 degrees Celsius of baking ovens is placed on, then natural cooling.Again by glass
Glass substrate is placed in heating furnace, and 120 DEG C are warming up to 2 DEG C/min, is incubated 1h, then is warming up to 500 DEG C with 4 DEG C/min, is incubated 2h,
Then naturally cool to room temperature, you can super hydrophilic glass is made.
Above content has been carried out specifically to super hydrophilic dose of one kind, preparation method and super hydrophilic glass for vehicle window of the present invention
Description, but the present invention is not limited to by specific embodiments described above content, so all technologies according to the present invention will
Any improvement, equivalent modifications and replacement that point is carried out etc., belongs to the scope of protection of the invention.
Claims (16)
- It is 1. a kind of super hydrophilic dose, it is characterised in that to be made up of following component：0.08~0.33wt% stannic oxide nanometer Grain, 2~5wt% carbon nanotube dust, 0.2~0.8wt% polyvinyl alcohol, surplus is dispersion liquid；The carbon nanotube powders Body is the single wall or multi-walled carbon nanotube of powder shaped, and the tin oxide nano particles are attached to the surface of the CNT.
- 2. super hydrophilic dose according to claim 1, it is characterised in that：A diameter of the 0.3 of the tin oxide nano particles ~1.2um.
- 3. super hydrophilic dose according to claim 1, it is characterised in that：A diameter of 1.5~3nm of the CNT, it is long Spend for 10~100um.
- 4. super hydrophilic dose according to claim 1, it is characterised in that：The wall number of the CNT is 1~4.
- 5. super hydrophilic dose according to claim 1, it is characterised in that：The dispersion liquid is 4~7 by volume ratio:1 it is scattered Agent and dilute acid soln composition.
- 6. super hydrophilic dose according to claim 5, it is characterised in that：The dilute acid soln is less than for Solute mass fraction 20% watery hydrochloric acid or Solute mass fraction is less than 70% dilute sulfuric acid.
- 7. super hydrophilic dose according to claim 5, it is characterised in that：The dispersant is ethanol, isopropanol or n-hexyl alcohol.
- 8. super hydrophilic dose according to claim 1, it is characterised in that：The tin oxide nano particles are attached to the carbon The surface of nanotube forms bead string type structure.
- 9. any super hydrophilic dose described of the preparation method of a kind of claim 1~8, it is characterised in that comprise the following steps：Step 1：Prepare tin oxide nano particles；Step 2：It is 4~7 by volume ratio:1 dispersant and dilute acid soln is mixed to form dispersion liquid, then adds 2~5wt%'s Carbon nanotube dust, the pH value for making solution is 3~5, then 1~3h is stirred at 25~30 DEG C, well mixed to obtain CNT Dispersion liquid；Step 3：0.08~0.33wt% tin oxide nano particles are added in the carbon nano tube dispersion liquid, added 0.2~0.8wt% polyvinyl alcohol, stir 1~2h, you can be made super hydrophilic dose.
- 10. preparation method according to claim 9, it is characterised in that：The preparation method of the tin oxide nano particles For：It is 1 by volume ratio:3~6 surfactant and auxiliary agent is added in organic solvent, and the concentration of the surfactant is 0.2~0.8mol/L；It is water-soluble to add the macromolecule being made up of 20~30wt% gelatin and 5~10wt% polyvinyl alcohol Liquid, the volume ratio of itself and organic solvent is 1：30~40；Add the tin source dissolved through the tert-butyl alcohol, its volume with organic solvent Than for 1：20~40, and condensation reaction is hydrolyzed at 20~40 DEG C and obtains reaction system；The reaction system through demulsification, from Tin oxide nano particles are obtained after the heart, washing and freeze-drying.
- 11. preparation method according to claim 10, it is characterised in that：The surfactant is cetyl trimethyl Ammonium chloride or cetyl trimethylammonium bromide, the auxiliary agent are n-butanol, n-amyl alcohol, n-hexyl alcohol or cyclohexanol, described organic Solvent is pentane, n-hexane, hexamethylene or normal heptane.
- 12. preparation method according to claim 10, it is characterised in that：The demulsifier used during the demulsification is first Alcohol, ethanol or propyl alcohol；The detergent that the washing process uses is hexamethylene, benzene or carbon tetrachloride；The freezing dry process Temperature be -50~-30 DEG C.
- A kind of 13. super hydrophilic glass for vehicle window, it is characterised in that：Surpass including glass substrate and by claim 1~8 is any described The super-hydrophilic coating that hydrophilizing agent is formed, the super-hydrophilic coating are arranged on the surface of direction in-car of the glass substrate.
- 14. super hydrophilic glass for vehicle window according to claim 13, it is characterised in that：The thickness of the super-hydrophilic coating is 10 ~30um.
- 15. super hydrophilic glass for vehicle window according to claim 13, it is characterised in that：The super hydrophilic dosage form is into super hydrophilic painting Layer method be to coat super hydrophilic dose on the surface by spraying or being spin-coated on glass substrate, after be placed on 60~80 DEG C 3~6min in baking oven, and it is cooled to room temperature.
- 16. super hydrophilic glass for vehicle window according to claim 13, it is characterised in that：The super hydrophilic dosage form is into super hydrophilic painting Layer method be to coat super hydrophilic dose on the surface by spraying or being spin-coated on glass substrate, after be placed on 60~80 DEG C 3~6min in baking oven, and be cooled to room temperature, then be placed in heating furnace, 120 DEG C are warming up to 2~4 DEG C/min, insulation 1~ 1.5h, then 500 DEG C are warming up to 2~4 DEG C/min, 2~3h is incubated, is cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738869.XA CN107434360B (en) | 2017-08-25 | 2017-08-25 | Super-hydrophilic agent, preparation method and super-hydrophilic vehicle window glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738869.XA CN107434360B (en) | 2017-08-25 | 2017-08-25 | Super-hydrophilic agent, preparation method and super-hydrophilic vehicle window glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107434360A true CN107434360A (en) | 2017-12-05 |
| CN107434360B CN107434360B (en) | 2020-01-17 |
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| CN111544792A (en) * | 2020-05-18 | 2020-08-18 | 安徽众衣联供应链管理服务有限公司 | Disposable epidemic prevention face guard |
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