CN103641512A - Method for dispersing anatase nano-TiO2 on surface of building material - Google Patents
Method for dispersing anatase nano-TiO2 on surface of building material Download PDFInfo
- Publication number
- CN103641512A CN103641512A CN201310692627.3A CN201310692627A CN103641512A CN 103641512 A CN103641512 A CN 103641512A CN 201310692627 A CN201310692627 A CN 201310692627A CN 103641512 A CN103641512 A CN 103641512A
- Authority
- CN
- China
- Prior art keywords
- anatase titania
- nanometer anatase
- material surface
- colloidal sol
- tetrabutyl titanate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Catalysts (AREA)
Abstract
The invention provides a method for dispersing anatase nano-TiO2 on the surface of a building material. The method comprises the following steps: mixing tetrabutyl titanate and isopropanol to obtain a 4-6% tetrabutyl titanate isopropanol solution by mass concentration and a 2% PVP (Polyvinyl Pyrrolidone) aqueous solution by mass concentration; adding the tetrabutyl titanate isopropanol solution into the PVP aqueous solution under stirring and simultaneously controlling pH to be not more than 2 so that tetrabutyl titanate is hydrolyzed to obtain anatase nano-TiO2 sol; and dispersing the anatase nano-TiO2 sol on the surface of a material and then kilning at the temperature of 400-550 DEG C. By using the preparation method of the anatase nano-TiO2, the adhesion force between the anatase nano-TiO2 and the material can be improved.
Description
Technical field
The invention belongs to environment-friendly materials field, relate to a kind of method of disperseing nanometer anatase titania at building material surface.
Background technology
There is the performances such as photocatalysis Decomposition organic compound, antibacterial and Superhydrophilic in nanometer anatase titania, is a kind of available environment-friendly materials.Research finds that nanometer anatase titania photocatalyst is under near-ultraviolet light (such as sunlight or luminescent lamp etc.) irradiates, and the electronics in molecule is excited, and generates electron-hole pair.Wherein, the hole of positively charged has very strong oxidation capacity, can make airborne water molecules generate the strong oxidizer of hydroxyl free radical (OH); Electronegative electronic energy makes airborne oxygen (O
2) reduction, generate another kind of strong living radical O
2-.OH and O
2-the energy that the contained energy equivalence of living radical produces in the heat energy of 3600K high temperature, is enough to make most of organic substances " burning " decomposition.The organic molecules such as its can Decomposition of benzene, formaldehyde, anti-bacteria, and to human body without injury.
On the other hand, the stable performance of nanometer anatase titania, lower than under 600 ℃ and non-strong alkali environment, it undergoes no deterioration and loses photocatalysis performance, in environment conventionally, it is all the stable value of generally using that has.If nanometer anatase titania is formed to the surface of sheet material (as ceramic tile, stone material and glass), its photocatalysis characteristic under the exciting of light, the organic pollutant in environment and kill touched bacterium of can degrading.
If cover to disperse nanometer anatase titania nanometer anatase titania powder at building material surface, larger because of the particle diameter of nanometer anatase titania powder, can affect the performances such as photocatalysis Decomposition organic compound, antibacterial and Superhydrophilic.Because nanometer anatase titania particle diameter is poor and to no effect compared with the combination between large and sheet material.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of method of disperseing nanometer anatase titania at building material surface, it can improve the bonding force of nanometer anatase titania and material, and the performance such as photocatalysis Decomposition organic compound, antibacterial and Superhydrophilic.
The technical scheme adopting solving the problems of the technologies described above is to provide a kind of method of disperseing nanometer anatase titania at building material surface, comprising:
Tetrabutyl titanate and Virahol are mixed to the tetrabutyl titanate aqueous isopropanol that acquisition weight concentration is 4～6%;
The PVP aqueous solution that acquisition weight concentration is 2%;
Described tetrabutyl titanate aqueous isopropanol is added to the described PVP aqueous solution in the situation that stirring, will control PH≤2 simultaneously, make described tetrabutyl titanate hydrolysis obtain nanometer anatase titania colloidal sol;
Described nanometer anatase titania colloidal sol is scattered in to klining at the temperature of 400-500 ℃ after material surface.
Wherein, by spraying method, described nanometer anatase titania colloidal sol is scattered in to material surface; Or, in described nanometer anatase titania colloidal sol, add Vltra tears, then by typography, described nanometer anatase titania colloidal sol is scattered in to material surface.
Wherein, utilize nitric acid or hydrochloric acid to control PH≤2.
Wherein, described nanometer anatase titania colloidal sol is scattered in after material surface to klining 15-25 minute at the temperature of 400-550 ℃.
Wherein, after described material is processed at the temperature of 400-500 ℃, be cooled to room temperature, then at material surface, obtain described nanometer anatase titania colloidal sol.
Wherein, described material is ceramic tile, stone material or glass.
Wherein, in electrical kiln or gas-combustion kiln, klining surface is dispersed with the described material of described nanometer anatase titania colloidal sol.
The present invention has following beneficial effect:
First a kind of method at building material surface dispersion nanometer anatase titania provided by the invention mixes acquisition tetrabutyl titanate aqueous isopropanol by tetrabutyl titanate and Virahol; Then, in the situation that stirring, by tetrabutyl titanate aqueous isopropanol and PVP aqueous solution, obtaining nanometer anatase titania colloidal sol, there is the nano titanium oxide that hydrolysis produces particle diameter 10nm left and right in tetrabutyl titanate; Nanometer anatase titania colloidal sol is scattered in after material surface, and klining at the temperature of 400-500 ℃, remove other compound in colloidal sol and only retain nanometer anatase titania, thereby form at material surface the nanometer anatase titania that particle diameter is 10nm left and right, make the bonding force of nanometer anatase titania and material strong, and the performance such as photocatalysis Decomposition organic compound, antibacterial and Superhydrophilic.
Accompanying drawing explanation
Fig. 1 is that the present invention makes the method flow diagram containing nanometer anatase titania colloidal sol;
Fig. 2 makes according to the present embodiment the XRD figure containing nanometer anatase titania sample obtaining;
Fig. 3 is the graphic representation of the decomposed sample benzene containing nanometer anatase titania.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing, the making method at building material surface making nanometer anatase titania provided by the invention is described in detail.
As shown in Figure 1, the method at building material surface making nanometer anatase titania provided by the invention comprises the following steps:
Step S1, mixes tetrabutyl titanate and Virahol, obtains tetrabutyl titanate aqueous isopropanol, and in this tetrabutyl titanate aqueous isopropanol, the mass concentration of tetrabutyl titanate is 4-6%.
Tetrabutyl titanate and Virahol all adopt technical pure metatitanic acid four butyl esters and Virahol, and tetrabutyl titanate and Virahol are mixed to acquisition tetrabutyl titanate aqueous isopropanol.In this tetrabutyl titanate aqueous isopropanol, the concentration of tetrabutyl titanate is 4-6%.
Step S2, the PVP aqueous solution that acquisition mass concentration is 1-2%.
In step S2, polyvinylpyrrolidone (Polycinylpyrrolidone the is called for short PVP) aqueous solution mixes with pure water by technical pure polyvinylpyrrolidone, the PVP aqueous solution that acquisition concentration is 2%.
Step S3, under the high-speed stirring of 2500～3000r/min, adds the described PVP aqueous solution by described tetrabutyl titanate aqueous isopropanol, and controls PH≤2, so that described tetrabutyl titanate hydrolysis obtains nanometer anatase titania colloidal sol.
Under whipped state, the tetrabutyl titanate aqueous isopropanol that step S1 is obtained slowly adds in the PVP aqueous solution of step S2 acquisition, will control PH≤2 simultaneously, makes tetrabutyl titanate hydrolysis, obtains nanometer anatase titania colloidal sol.Utilize nitric acid or salt solution to regulate pH value.
Step S4, is scattered in after material surface klining 10-20 minute at the temperature of 400-550 ℃ by described nanometer anatase titania colloidal sol.
In step S4, by spraying coating process, nanometer anatase titania colloidal sol is scattered in to material surface.The material here can adopt ceramic tile, stone material or glass.Then, material is placed on to klining at the temperature of 400-550 ℃.During klining, can in electrical kiln or gas-combustion kiln, carry out klining.The klining time is 15-25 minute.
In step S4, can also in nanometer anatase titania colloidal sol, add Vltra tears, then by typography, nanometer anatase titania colloidal sol is scattered in to material surface.Vltra tears adopts technical pure Vltra tears.
There is the pollutents such as greasy dirt, the bonding force of these pollutant effect materials and nanometer anatase titania in the material surface before disperseing nanometer anatase titania colloidal sol.Therefore, in one is preferably implemented, before implementation step S4, the making method of nanometer anatase titania also comprises: step S31 processes material and after 10-20 minute, is cooled to room temperature (25-30 ℃) at the temperature of 400-500 ℃, then obtains nanometer anatase titania colloidal sol on its surface.By pyroprocessing, remove dust and the greasy dirt of material surface, thereby improve the bonding force of material and nanometer anatase titania.Material can be processed in electrical kiln or gas-combustion kiln.
The nanometer anatase titania that is 15nm left and right by the most of granularity of the above-mentioned nanometer anatase titania that disperses the method for nanometer anatase titania to obtain at building material surface, only having a small amount of particle diameter is the nanometer anatase titania of 20-30nm.But the nanometer anatase titania that particle diameter is larger is removed in klining process, thereby obtain the nanometer anatase titania that granularity is 15nm left and right.Between the nanometer anatase titania of this granularity and material, produce the effect of similar intermolecular attraction and mortise obtains stronger bonding force.
Embodiment mono-
Tetrabutyl titanate and Virahol are mixed, obtain tetrabutyl titanate aqueous isopropanol.In tetrabutyl titanate aqueous isopropanol, the mass concentration of tetrabutyl titanate is 4%.The PVP aqueous solution that acquisition weight concentration is 2%.Under whipped state, tetrabutyl titanate aqueous isopropanol is added to the PVP aqueous solution, control PH≤2 simultaneously, make tetrabutyl titanate hydrolysis obtain nanometer anatase titania colloidal sol.By ceramic tile klining 10 minutes dust and greasy dirts with removal ceramic tile surface at the temperature of 400 ℃, then by spraying coating process, nanometer anatase titania colloidal sol is scattered in to material surface, klining 15 minutes at the temperature of 400 ℃ again, other compounds in nanometer anatase titania colloidal sol are removed and retained nanometer anatase titania, thereby nanometer anatase titania is scattered in to the surface of ceramic tile.
Embodiment bis-
Tetrabutyl titanate and Virahol are mixed, obtain tetrabutyl titanate aqueous isopropanol.In tetrabutyl titanate aqueous isopropanol, the mass concentration of tetrabutyl titanate is 5%.The PVP aqueous solution that acquisition weight concentration is 2%.Under whipped state, tetrabutyl titanate aqueous isopropanol is added to the PVP aqueous solution, control pH value is 1.8 simultaneously, makes tetrabutyl titanate hydrolysis obtain nanometer anatase titania colloidal sol; Then in nanometer anatase titania colloidal sol, add Vltra tears.Ceramic tile klining 15 minutes at the temperature of 450 ℃, to remove dust and the greasy dirt of ceramic tile surface, is then scattered in to material surface by screen-printing machine by nanometer anatase titania colloidal sol, then klining 20 minutes at the temperature of 450 ℃.
Embodiment tri-
Tetrabutyl titanate and Virahol are mixed, obtain tetrabutyl titanate aqueous isopropanol.In tetrabutyl titanate aqueous isopropanol, the mass concentration of tetrabutyl titanate is 6%.The PVP aqueous solution that acquisition mass concentration is 2%.Under whipped state, tetrabutyl titanate aqueous isopropanol is added to the PVP aqueous solution, control pH value is 1.5 simultaneously, makes tetrabutyl titanate hydrolysis obtain nanometer anatase titania colloidal sol.Ceramic tile klining at the temperature of 500 ℃ is removed to dust and the greasy dirt of ceramic tile surface for 20 minutes, then by spraying coating process, nanometer anatase titania colloidal sol is scattered in to material surface, then klining 25 minutes at the temperature of 550 ℃, other compounds in nanometer anatase titania colloidal sol are removed and retained nanometer anatase titania, thereby nanometer anatase titania is scattered in to the surface of ceramic tile.
The ceramic tile that above-described embodiment is obtained carries out XRD, photocatalysis Decomposition organism benzene, antibacterial (with reference to the evaluation of GB GB-T23763-2009 photocatalysis antibacterial material and goods anti-microbial property) and four checks of wetting ability (with reference to GB GB-T23764-2009 photocatalytic self-cleaning material performance test method).
Wherein, XRD is in order to prove whether the nano titanium oxide of ceramic tile surface is anatase titanium dioxide (just only having anatase crystal type to have photocatalysis performance).Detection method is that the nanometer anatase titania colloidal sol configuring is directly fired to the nano titanium dioxide powder obtaining, the condition of firing nano titanium dioxide powder is identical with the method that ceramic tile surface obtains nanometer anatase titania, therefore, the crystal formation of detection nano titanium dioxide powder is identical with detection ceramic tile surface nanometer anatase titania.Fig. 2 is according to the XRD figure of the nanometer anatase titania of the making method acquisition of the present embodiment nanometer anatase titania.In Fig. 2, transverse axis represents angle (degree), and the longitudinal axis represents diffracted intensity (Cps).As can be seen from Figure 2, the titanium dioxide being obtained by aforesaid method is nanometer anatase titania.
There is conjugated structure in organism benzene, Decomposition of benzene needs larger energy.The hydroxyl free radical that nanometer anatase titania absorbs luminous energy generation reacts with benzene molecular, therefore uses organism benzene as the organic ability of check photocatalysis Decomposition.The check of photocatalysis Decomposition organism benzene is ceramic tile to be cut into the size of 200 * 200mm, is placed in the closed reactor that is of a size of 220 * 220 * 30mm, reactor is placed in to the thermostat of 100 ℃ ± 1 ℃, and balance started irradiation after 14 hours.Light wavelength is 385nm, light intensity 0.15mW/cm
2.Illumination starts sampling (C after 1 hour
0), every one hour, sample afterwards once (C
t), get three parallel sample at every turn, and in GC-9800 spectrograph analysis reactor the concentration of benzene.Light-catalyzed reaction is that ceramic tile surface nanometer anatase titania particle interface carries out, and in the fixing reactor of reaction conditions, organic molecule is the important factor that impact reaction is carried out to ceramic tile surface velocity of diffusion.When benzene molecular starts cracking, will produce the small molecules after cracking, small molecules and benzene molecular exist simultaneously.At this moment in reactor, be the gas of a mixing, because benzene molecular quality is relatively large, so and nmTi0
2interface contact probability reduces, and benzene decomposition rate also must be slow by easing up.Therefore, this check can only illustrate that the experiment sheet material of coating nanometer anatase titania has the function of decomposing organic matter, can not illustrate the speed of decomposing organic matter.Utilize blank sample to contrast, to obtain exactly the ability of nanometer anatase titania decomposing organic matter simultaneously.Fig. 3 is the graphic representation of nanometer anatase titania decomposing organic matter benzene.In figure, transverse axis represent light application time (hour), the longitudinal axis represents the relative concentration of organism benzene gas, the curve that " ■-" is blank sample, " zero-" is dispersed with the curve of nanometer anatase titania sample for surface.
Superhydrophilic check requires by contact angle measurement (JC200C1) measure sample surface water contact angle with reference to GB GB-T23764-2009 photocatalytic self-cleaning material performance test method.Detecting instrument adopts contact angle measurement PowerReach JC2000C1.Checking procedure: getting size is the ceramic tile polylith of the coating nanometer anatase titania of 50 * 50 * 8mm, is positioned over respectively wavelength 385nm, light intensity 0.15mW/cm
2under condition, illumination is 90,180,270 minutes.Then with contact angle measurement, measure ceramic tile surface water droplet contact angle.
Antibacterial check requires check with reference to the evaluation of GB GB-T23763-2009 photocatalysis antibacterial material and goods anti-microbial property.
The making method of the nanometer anatase titania that the present embodiment provides is mixed acquisition tetrabutyl titanate aqueous isopropanol by tetrabutyl titanate and Virahol; Then, in the situation that stirring, by tetrabutyl titanate aqueous isopropanol and PVP aqueous solution, obtaining nanometer anatase titania colloidal sol, there is the nano titanium oxide that hydrolysis produces particle diameter 10nm left and right in tetrabutyl titanate; Nanometer anatase titania colloidal sol is scattered in after material surface, and klining at the temperature of 400-500 ℃, remove other compound in colloidal sol and only retain nanometer anatase titania, thereby at material surface, form the nanometer anatase titania that particle diameter is 10nm left and right, the bonding force of this nanometer anatase titania and material is strong.Adopt the 7th part in standard GB/T/T3810.7-2006 < < ceramic tile test method > >: after the mensuration of glazed tile surface abrasion resistance is scrubbed experiment, nanometer anatase titania still can intactly be retained in the surface of material.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (7)
1. at building material surface, disperse a method for nanometer anatase titania, it is characterized in that, comprising:
Tetrabutyl titanate and Virahol are mixed to the tetrabutyl titanate aqueous isopropanol that acquisition weight concentration is 4-6%;
The PVP aqueous solution that acquisition weight concentration is 2%;
Described tetrabutyl titanate aqueous isopropanol is added to the described PVP aqueous solution in the situation that stirring, will control PH≤2 simultaneously, make described tetrabutyl titanate hydrolysis obtain nanometer anatase titania colloidal sol;
Described nanometer anatase titania colloidal sol is scattered in to klining at the temperature of 400-500 ℃ after material surface.
2. method of disperseing nanometer anatase titania at building material surface according to claim 1, is characterized in that, by spraying method, described nanometer anatase titania colloidal sol is scattered in to material surface; Or, in described nanometer anatase titania colloidal sol, add Vltra tears, then by typography, described nanometer anatase titania colloidal sol is scattered in to material surface.
3. method of disperseing nanometer anatase titania at building material surface according to claim 1, is characterized in that, utilizes nitric acid or hydrochloric acid to control PH≤2.
4. method of disperseing nanometer anatase titania at building material surface according to claim 1, is characterized in that, described nanometer anatase titania colloidal sol is scattered in after material surface to klining 15-25 minute at the temperature of 400-550 ℃.
5. method of disperseing nanometer anatase titania at building material surface according to claim 1, it is characterized in that, after described material is processed at the temperature of 400-500 ℃, be cooled to room temperature, then at material surface, obtain described nanometer anatase titania colloidal sol.
6. according to the method for disperseing nanometer anatase titania at building material surface described in claim 1-5, it is characterized in that, described material is ceramic tile, stone material or glass.
7. method of disperseing nanometer anatase titania at building material surface according to claim 1, is characterized in that, in electrical kiln or gas-combustion kiln, klining surface is dispersed with the described material of described nanometer anatase titania colloidal sol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692627.3A CN103641512B (en) | 2013-12-17 | 2013-12-17 | In the method for building material surface dispersion nanometer anatase titania |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692627.3A CN103641512B (en) | 2013-12-17 | 2013-12-17 | In the method for building material surface dispersion nanometer anatase titania |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103641512A true CN103641512A (en) | 2014-03-19 |
| CN103641512B CN103641512B (en) | 2016-02-03 |
Family
ID=50246847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310692627.3A Active CN103641512B (en) | 2013-12-17 | 2013-12-17 | In the method for building material surface dispersion nanometer anatase titania |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103641512B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105669135A (en) * | 2016-02-01 | 2016-06-15 | 河南工程学院 | Preparation method of composite type nano-photocatalytic concrete pavement brick |
| CN106135199A (en) * | 2016-06-25 | 2016-11-23 | 王赞 | Titanium oxide sol for ceramic tile and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2190583C2 (en) * | 1997-12-15 | 2002-10-10 | Жозеф Е. ДУМЕ | Method of preparing water-repellent substance, substance and method of making waterproofness to surface of building material |
| CN102343259A (en) * | 2011-04-13 | 2012-02-08 | 浙江大学 | Method for preparing titanium dioxide nanofilm at low temperature |
| CN102491781A (en) * | 2011-11-04 | 2012-06-13 | 云南大学 | Nanometer photocatalysis surface protection material for stones and stone cultural relic and preparation method of same |
| CN102586948A (en) * | 2011-12-15 | 2012-07-18 | 江南大学 | Anatase type titanium dioxide nano-fiber photocatalyst and preparation method thereof |
| CN102628213A (en) * | 2012-04-09 | 2012-08-08 | 徐雨来 | Method for dispersing anatase nano titanium dioxide on surface of textile fabric |
-
2013
- 2013-12-17 CN CN201310692627.3A patent/CN103641512B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2190583C2 (en) * | 1997-12-15 | 2002-10-10 | Жозеф Е. ДУМЕ | Method of preparing water-repellent substance, substance and method of making waterproofness to surface of building material |
| CN102343259A (en) * | 2011-04-13 | 2012-02-08 | 浙江大学 | Method for preparing titanium dioxide nanofilm at low temperature |
| CN102491781A (en) * | 2011-11-04 | 2012-06-13 | 云南大学 | Nanometer photocatalysis surface protection material for stones and stone cultural relic and preparation method of same |
| CN102586948A (en) * | 2011-12-15 | 2012-07-18 | 江南大学 | Anatase type titanium dioxide nano-fiber photocatalyst and preparation method thereof |
| CN102628213A (en) * | 2012-04-09 | 2012-08-08 | 徐雨来 | Method for dispersing anatase nano titanium dioxide on surface of textile fabric |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105669135A (en) * | 2016-02-01 | 2016-06-15 | 河南工程学院 | Preparation method of composite type nano-photocatalytic concrete pavement brick |
| CN106135199A (en) * | 2016-06-25 | 2016-11-23 | 王赞 | Titanium oxide sol for ceramic tile and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103641512B (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Optimizing hydrophobicity and photocatalytic activity of PDMS-coated titanium dioxide | |
| Wu et al. | Low-temperature growth of a nitrogen-doped titania nanoflower film and its ability to assist photodegradation of rhodamine B in water | |
| Ohko et al. | Photocatalytic oxidation of nitrogen dioxide with TiO2 thin films under continuous UV-light illumination | |
| Meda et al. | Titanium dioxide based heterogeneous and heterojunction photocatalysts for pollution control applications in the construction industry | |
| CN102580708B (en) | Method for preparing nitrogen modified titanium dioxide sol with visible-light catalytic activity | |
| US20070149397A1 (en) | Photocatalytic composite material, method for producing the same and application thereof | |
| US20170282159A1 (en) | Method for Preparing Molybdenum Doped Titanium Dioxide Thin Film by Sol-Gel | |
| JPWO2006088022A1 (en) | Photocatalyst, method for producing the same, dispersion containing photocatalyst, and photocatalyst coating composition | |
| JP4507066B2 (en) | Tungsten oxide-containing titanium oxide sol, production method thereof, coating agent and optical functional body | |
| CN102641731B (en) | Active carbon fiber load calcium-doping titanium dioxide (TiO2) photocatalyst and preparation method of photocatalyst | |
| CN109331817A (en) | It is a kind of for decomposing the catalysis material and preparation method of organic matter in air | |
| Yang et al. | Effect of adhesive on photocatalytic NOx removal and stability over polymeric carbon nitride coated cement mortars | |
| CN102276011B (en) | Simple method for preparing TiO2 membrane electrode | |
| CN103641512B (en) | In the method for building material surface dispersion nanometer anatase titania | |
| Kumar et al. | Production of self-cleaning cement using modified titanium dioxide | |
| CN105214637B (en) | A kind of metatitanic acid cesium silicate photochemical catalyst and its preparation method and application | |
| JP3978636B2 (en) | Coating composition for photocatalyst film formation | |
| JP3885248B2 (en) | Photocatalyst composition | |
| Palacio et al. | Influence of organic acids on the phases and physical characteristics of titanium dioxide synthesized by sol–gel for air depollution through heterogeneous photocatalysis | |
| CN103028399B (en) | Alumina microsphere air purifying agent, preparation method and application of air purifying agent | |
| JP2006182791A (en) | Coating material for forming photocatalyst film | |
| JP2003268945A (en) | Interior finish material | |
| CN103242687A (en) | Nanometer photocatalyst spray-coating agent and preparation method thereof | |
| CN102784657B (en) | Nd/N co-doped TiO2 visible light response catalytic membrane on stoneware carrier and preparation | |
| ES2781962T3 (en) | Photocatalytic particles and process for their production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |