CN101385967B - Preparation method of nano titanic oxide film for photochemical catalyst - Google Patents
Preparation method of nano titanic oxide film for photochemical catalyst Download PDFInfo
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- CN101385967B CN101385967B CN200810156820.4A CN200810156820A CN101385967B CN 101385967 B CN101385967 B CN 101385967B CN 200810156820 A CN200810156820 A CN 200810156820A CN 101385967 B CN101385967 B CN 101385967B
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- glue
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- ethanol
- film
- tio
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract description 17
- 239000003054 catalyst Substances 0.000 title abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 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 abstract description 10
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 5
- 239000003112 inhibitor Substances 0.000 claims abstract description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 235000019441 ethanol Nutrition 0.000 claims description 12
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000011941 photocatalyst Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000006136 alcoholysis reaction Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 4
- 229940043237 diethanolamine Drugs 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000084 colloidal system Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000012153 distilled water Substances 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The invention discloses a preparation method used for a photocatalytic nano-TiO2 film; firstly, butyl titanate is taken as TiO2 former body; ethanol is taken as solvent; ethylene glycol used as inhibitor and polyethylene glycol used as pore-forming agent are added and mixed under room temperature at low speed; subsequently, secondary distilled water and ethanol with a certain proportion are addedand uniformly mixed to gain glue A; secondly, titanium tetra-isopropoxide or tetrabutyl titanate is used as main raw material and mixed with isopropyl alcohol and dripped into compounded dilute nitric acid solution so as to gain glue B; glue A and glue B are uniformly mixed and anhydrous alcohol is added to be alcoholysed as TiO2 colloid; meanwhile, stainless steel wire net is pre-disposed by acid-washing and the like and working procedures such as glue-sticking and the like are carried out so as to gain the product. The preparation method has the advantages that the reaction efficiency of the catalyst and the utilization ratio of the light energy can be effectively improved, the film and the carrier form firm combination and keep best crystal form proportion.
Description
Technical field
The invention belongs to the preparation field of titanium deoxid film, relate to a kind of preparation method who is used for light-catalysed nano-titanium dioxide film.
Background technology
In the purification that solves room air pollution, studying maximum and the most promising is exactly to be used for light-catalysed nano titanium oxide technology at present.Its feature is nontoxic to human body, and environmental sound and decontamination of chemical pollution efficiently and biological pollution can be at decomposing organic matters, kill bacteria and germ in the time of the degraded toxic gas.Among the preparation method of present stage to light-catalysed nano-titanium dioxide film, basic step mainly adopts sol-gel legal system film, that is: the presoma hydrolysis with titanium dioxide makes the ultra-fine colloidal solution of titanium dioxide, with brushing method and czochralski method titanium dioxide ultra micron colloidal sol is transferred on the wire netting then, prepare nano titanium dioxide film through super-dry and sintering, this film and carrier poor bonding strength, film very easily comes off.Simultaneously, in the traditional method colloidal sol can not to preserve for a long time also be a technological deficiency.
Summary of the invention
The object of the present invention is to provide a kind of preparation method who is used for light-catalysed nano-titanium dioxide film that can make the colloidal sol long preservation again in carrier bond strength height.
For realizing purpose of the present invention, a kind of preparation method who is used for light-catalysed nano-titanium dioxide film, its concrete steps are as follows: 1) with butyl titanate as TiO 2 precursor, employing ethanol is solvent, the volume ratio of the two is 1 to compare 5.5--6.5, add diethanol amine as inhibitor, adding an amount of polyethylene glycol again is pore creating material, at room temperature stirring at low speed is 1.5 to 2.5 hours, the redistilled water and the ethanol that add certain proportioning then, back acquisition light yellow vitreosol, i.e. A glue stir; 2) be primary raw material with tetraisopropyl titanate or butyl titanate, in the nitric acid weak solution that slowly splashes into after isopropyl alcohol mixes by a certain percentage with the deionized water preparation, make B glue; 3) A glue and B glue are mixed, adding the absolute ethyl alcohol alcoholysis becomes colloidal tio 2; 4) simultaneously, stainless steel cloth is cleaned preliminary treatment by pickling, alkali cleaning, pure water and ethanol, and, be prepared into the TiO 2 porous property film photocatalyst of certain plated film layer by being stained with glue, drying, oven dry, sintering circuit.
Advantage of the present invention is: have very high catalytic performance, very large specific surface can effectively improve the utilization rate of the reaction efficiency and the luminous energy of catalyst; Utilize the high-temperature heat treatment technology to make film and carrier form firm combining, and keep best crystalline form ratio; Have stronger adhesion with stainless steel cloth as carrier, film is attached to the online difficult drop-off of stainless steel wire.
The specific embodiment
Below by specific embodiment the present invention is specifically described.
Embodiment 1
1) with butyl titanate as TiO 2 precursor, employing ethanol is solvent, the volume ratio of the two is 1 to 5.5, add diethanol amine as inhibitor, adding an amount of polyethylene glycol again is pore creating material, and at room temperature stirring at low speed is 1.5 hours, adds the redistilled water and the ethanol of certain proportioning then, back acquisition light yellow vitreosol, i.e. A glue stir;
2) be primary raw material with tetraisopropyl titanate or butyl titanate, in the nitric acid weak solution that slowly splashes into after isopropyl alcohol mixes by a certain percentage with the deionized water preparation, make B glue;
3) A glue and B glue are mixed, adding the absolute ethyl alcohol alcoholysis becomes colloidal tio 2;
4) simultaneously, stainless steel cloth is cleaned preliminary treatment by pickling, alkali cleaning, pure water and ethanol, and, be prepared into the TiO 2 porous property film photocatalyst of certain plated film layer by being stained with glue, drying, oven dry, sintering circuit.
The TiO 2 porous property film photocatalyst that the present invention obtains, that film is thick is 300nm, titanium dioxide footpath grain 10nm, bore dia 15nm has very high catalytic activity and very large specific surface simultaneously.
Embodiment 2
1) with butyl titanate as TiO 2 precursor, employing ethanol is solvent, the volume ratio of the two is 1 to 6.5, add diethanol amine as inhibitor, adding an amount of polyethylene glycol again is pore creating material, and at room temperature stirring at low speed is 2.5 hours, adds the redistilled water and the ethanol of certain proportioning then, back acquisition light yellow vitreosol, i.e. A glue stir;
2) be primary raw material with tetraisopropyl titanate or butyl titanate, in the nitric acid weak solution that slowly splashes into after isopropyl alcohol mixes by a certain percentage with the deionized water preparation, make B glue;
3) A glue and B glue are mixed, adding the absolute ethyl alcohol alcoholysis becomes colloidal tio 2;
4) simultaneously, stainless steel cloth is cleaned preliminary treatment by pickling, alkali cleaning, pure water and ethanol, and, be prepared into the TiO 2 porous property film photocatalyst of certain plated film layer by being stained with glue, drying, oven dry, sintering circuit.
The TiO 2 porous property film photocatalyst that the present invention obtains, that film is thick is 350nm, titanium dioxide footpath grain 9nm, bore dia 14nm has very high catalytic activity and very large specific surface simultaneously.
Claims (1)
1. the preparation method who is used for light-catalysed nano-titanium dioxide film, its concrete steps are as follows:
1) with butyl titanate as TiO 2 precursor, employing ethanol is solvent, the volume ratio of the two is 1 to compare 5.5--6.5, add diethanol amine as inhibitor, adding an amount of polyethylene glycol again is pore creating material, and at room temperature stirring at low speed is 1.5 to 2.5 hours, adds the redistilled water and the ethanol of certain proportioning then, back acquisition light yellow vitreosol, i.e. A glue stir;
2) be primary raw material with tetraisopropyl titanate or butyl titanate, in the nitric acid weak solution that slowly splashes into after isopropyl alcohol mixes by a certain percentage with the deionized water preparation, make B glue;
3) A glue and B glue are mixed, adding the absolute ethyl alcohol alcoholysis becomes colloidal tio 2;
4) simultaneously, stainless steel cloth is cleaned preliminary treatment by pickling, alkali cleaning, pure water and ethanol, and, be prepared into the TiO 2 porous property film photocatalyst of certain plated film layer by being stained with glue, drying, oven dry, sintering circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810156820.4A CN101385967B (en) | 2008-10-15 | 2008-10-15 | Preparation method of nano titanic oxide film for photochemical catalyst |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810156820.4A CN101385967B (en) | 2008-10-15 | 2008-10-15 | Preparation method of nano titanic oxide film for photochemical catalyst |
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| Publication Number | Publication Date |
|---|---|
| CN101385967A CN101385967A (en) | 2009-03-18 |
| CN101385967B true CN101385967B (en) | 2010-08-25 |
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| CN200810156820.4A Expired - Fee Related CN101385967B (en) | 2008-10-15 | 2008-10-15 | Preparation method of nano titanic oxide film for photochemical catalyst |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9522384B2 (en) | 2013-03-28 | 2016-12-20 | Jm Material Technology Inc. | Photocatalytic structure and method for manufacturing photocatalytic sol-gels |
| CN204247228U (en) * | 2013-08-01 | 2015-04-08 | 京程科技股份有限公司 | The structure of photocatalyst of titanium dioxide |
| CN105001613A (en) * | 2015-05-30 | 2015-10-28 | 青岛科技大学 | Method for preparing polyethylene glycol and butyl titanate compound |
| CN106242312A (en) * | 2016-08-08 | 2016-12-21 | 中建材（合肥）新能源有限公司 | The preparation of a kind of photovoltaic glass coating liquid and application |
| CN107021645A (en) * | 2017-03-17 | 2017-08-08 | 东南大学 | A kind of titanium dioxide self-cleaning film and preparation method thereof |
| CN110394177B (en) * | 2019-08-14 | 2023-02-28 | 苏州大学 | Composite material based on titanium dioxide/cobaltosic oxide/graphene oxide and application of composite material in sewage treatment |
| CN114210368B (en) * | 2021-11-18 | 2023-06-20 | 江西威科油脂化学有限公司 | Liquid phase catalyst and method for synthesizing erucamide by liquid phase catalysis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5840615A (en) * | 1993-04-16 | 1998-11-24 | Texas Instruments Incorporated | Method for forming a ferroelectric material film by the sol-gel method, along with a process for a production of a capacitor and its raw material solution |
| CN1351962A (en) * | 2001-11-23 | 2002-06-05 | 清华大学 | Low temperature processing of preparing nanometer rutile phase titanium dioxide |
| US20030235653A1 (en) * | 2002-04-30 | 2003-12-25 | Yu Chai-Mei Jimmy | Method for preparing mesoporous TiO2 thin films with high photocatalytic and antibacterial activities |
| CN1634653A (en) * | 2004-12-02 | 2005-07-06 | 上海大学 | Method for preparing loaded nano titanium dioxide photocatalysis film |
| CN1736925A (en) * | 2005-07-14 | 2006-02-22 | 上海交通大学 | Method for preparing sulfonic silane-rare earth nanometer composite film on glass substrate surface |
-
2008
- 2008-10-15 CN CN200810156820.4A patent/CN101385967B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5840615A (en) * | 1993-04-16 | 1998-11-24 | Texas Instruments Incorporated | Method for forming a ferroelectric material film by the sol-gel method, along with a process for a production of a capacitor and its raw material solution |
| CN1351962A (en) * | 2001-11-23 | 2002-06-05 | 清华大学 | Low temperature processing of preparing nanometer rutile phase titanium dioxide |
| US20030235653A1 (en) * | 2002-04-30 | 2003-12-25 | Yu Chai-Mei Jimmy | Method for preparing mesoporous TiO2 thin films with high photocatalytic and antibacterial activities |
| CN1634653A (en) * | 2004-12-02 | 2005-07-06 | 上海大学 | Method for preparing loaded nano titanium dioxide photocatalysis film |
| CN1736925A (en) * | 2005-07-14 | 2006-02-22 | 上海交通大学 | Method for preparing sulfonic silane-rare earth nanometer composite film on glass substrate surface |
Non-Patent Citations (1)
| Title |
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| 董睿等.纳米二氧化钛粉体及薄膜的研究进展.化学研究与应用14 6.2002,14(6),637-641. * |
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| CN101385967A (en) | 2009-03-18 |
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Granted publication date: 20100825 Termination date: 20131015 |