CN109550066A - A kind of compound photocatalysis film and preparation method optimizing room air - Google Patents
A kind of compound photocatalysis film and preparation method optimizing room air Download PDFInfo
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- CN109550066A CN109550066A CN201811380569.XA CN201811380569A CN109550066A CN 109550066 A CN109550066 A CN 109550066A CN 201811380569 A CN201811380569 A CN 201811380569A CN 109550066 A CN109550066 A CN 109550066A
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- room air
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- 238000002360 preparation method Methods 0.000 title claims abstract description 51
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 45
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 43
- 150000001875 compounds Chemical class 0.000 title claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- -1 oxygen ion Chemical class 0.000 claims abstract description 15
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 14
- 150000001450 anions Chemical class 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 14
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 8
- 238000003980 solgel method Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 35
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 26
- 238000004528 spin coating Methods 0.000 claims description 23
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 17
- 229960000583 acetic acid Drugs 0.000 claims description 17
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 17
- 229910021641 deionized water Inorganic materials 0.000 claims description 17
- 239000012362 glacial acetic acid Substances 0.000 claims description 17
- OCIFJWVZZUDMRL-UHFFFAOYSA-N 6-hydroxyhexyl prop-2-enoate Chemical compound OCCCCCCOC(=O)C=C OCIFJWVZZUDMRL-UHFFFAOYSA-N 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 16
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 15
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 15
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 15
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 15
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 15
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 11
- 229940070527 tourmaline Drugs 0.000 claims description 11
- 229910052613 tourmaline Inorganic materials 0.000 claims description 11
- 239000011032 tourmaline Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 9
- 238000001354 calcination Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000003760 magnetic stirring Methods 0.000 claims description 8
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 229940051250 hexylene glycol Drugs 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 83
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 12
- 239000004408 titanium dioxide Substances 0.000 abstract description 11
- 238000004887 air purification Methods 0.000 abstract description 10
- 239000010409 thin film Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000003837 high-temperature calcination Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 description 10
- 231100000719 pollutant Toxicity 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 6
- 238000000498 ball milling Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000000053 physical method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 2
- 229910017566 Cu-Mn Inorganic materials 0.000 description 2
- 229910017752 Cu-Zn Inorganic materials 0.000 description 2
- 229910017871 Cu—Mn Inorganic materials 0.000 description 2
- 229910017943 Cu—Zn Inorganic materials 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
The present invention proposes a kind of compound photocatalysis film and preparation method, the load of preparation film forming and anion releasing agent including titania-silica complex sol and etc., the present invention uses preparation of titanium dioxide thin film by sol-gel method for photocatalytic air purification, and silica and the polyethylene glycol with pore-creating function is added, make the film that there is porosity, adsorption capacity is very strong.High-temperature calcination under a nitrogen atmosphere forms the anatase titania film of N doping, increases the photocatalysis performance in visible region.In addition, the surface of the film is loaded with one layer of anion releasing agent.The present invention overcomes photocatalysis film preparation in existing material for air purification is complicated, it has a single function, the defects of clean-up effect is bad, photocatalysis film preparation process of the present invention is simple, good clean-up effect is attained by visible region, and can also releasing negative oxygen ion, improve air quality, can be widely used in the equipment such as air purifier or air conditioner filter screen.
Description
Technical field
The present invention relates to material for air purification fields, thin more particularly to a kind of compound photocatalysis for optimizing room air
Film and preparation method.
Background technique
With the continuous improvement of people's lives quality, people's health requirement also in the continuous improvement, while environment, water
Matter, air pollution are got worse, therefore require standard also higher and higher air cleaning.Major pollutants in air have first
Aldehyde, benzene, dimethylbenzene, bacterium, mould and dust mite etc..Especially some chemistry for giving out of ornament materials used in interior architecture
Substance causes the pollution of room air so that a large amount of pollutants have been built up in interior.People live in this containing a large amount of for a long time
In the environment of pollutant, it can cause to have a dizzy spell, the generation of physical decline and various chronic diseases.
In order to improve indoor air quality, Techniques for Indoor Air Purification is continued to develop.Techniques for Indoor Air Purification mainly may be used
It is divided into biological method, physical method and chemical method.Biological method: since green plants has to indoor pollutant is diffused into
There are absorption absorption and catharsis, promotes transfer, the diffusion of indoor pollutant, accelerate pollutant concentration in indoor environment
It reduces.However plant there is no further investigation for the removal effect of indoor pollutant, the releaser of certain plants is to have to human body
Harmful.Physical method: utilizing physical characteristic, such as characterization of adsorption, piezoelectric property, static characteristic, infrared characteristic and electronics
Characteristic etc. carrys out the gas of purifying contaminated.Currently used for administer room air organic pollution physical method mainly have absorption method,
Membrane separation process, lower temperature plasma technology, Cottrell process etc..The scavenging material being widely adopted mainly active charcoal, molecule
Sieve, nanofiltration membrane etc..Organic pollution materials in room air are converted to nothing by the approach that chemical method passes through chemical reaction
The small molecule compound of murder by poisoning.Photocatalysis technology is a kind of new technology for the improvement room air pollution risen in recent years, it
Mainly under the action of photochemical catalyst titanium dioxide, polluter is made to be decomposed into CO2And H2The innocuous substances such as O.Technology reaction
Mild condition, secondary pollution is small, operating cost is low, and is expected to utilize sunlight as light source, is most with prospects at present
Techniques for Indoor Air Purification.
It is to refer to adsorb, decompose or convert various air pollutants that air clearing product, which is using air purifying process,
(generally comprising finishing pollution, bacterium, anaphylactogen of PM2.5, dust, pollen, peculiar smell, formaldehyde etc etc.), effectively improves air
The product of cleannes.It is rapidly developed within air clearing product nearly 2 years, various strainers, material for core are multifarious, but its function
Can be mainly based on absorption, degradation, taste removal, and need the strainer of a variety of different function to be used together and can be only achieved purification effect
Fruit.Titanium dioxide is a kind of ideal semiconductor light-catalyst, and nano-photocatalyst material itself has good chemistry steady
Qualitative, extremely strong photochemical catalytic oxidation and reducing power, wear-resistant, at low cost, preparation method is simple, occupation area of equipment is few, resistance to
With property it is strong, can be made into transparent membrane and adulterate multiple material, it is modified strong the advantages that.This material is increasingly favored by people, especially
The depollution of environment, solar energy conversion and storage, carbon dioxide reduction, harmful complexity organic matter degradation, in terms of have very
Wide application prospect.Optically catalytic TiO 2 film also has on air purifying filter mesh, and existing photochemical catalyst can only utilize
Wavelength is less than the ultraviolet light of 387.5nm, be substantially by its with other materials is compound could provide its catalytic degradation efficiency.
Patent publication No. CN103628034A discloses a kind of preparation method of porous titanium dioxide thin-film, with hollow glass
Microballon is as matrix, and using Cu-Zn or Cu-Mn alloy as target, magnetron sputtering apparatus deposits Cu-Zn or Cu-Mn alloy firm；
De- Alloying Treatment is carried out using acid or alkaline solution, the rear deionized water that carries out is cleaned to neutrality, then is dried in vacuo；After drying
The glass microballoon of Porous Cu is wrapped up, it is thin to prepare porous titanium dioxide photocatalysis for magnetron sputtering apparatus surface deposition of titanium oxide
Film.Porous titanium dioxide thin-film increases the surface area of titanium dioxide, its catalytic performance is enable to be largely increased, however prepares
The porous titanium dioxide photocatalysis film of complex procedures, preparation has a single function, and photocatalysis effect is undesirable in visible region, purification
It is ineffective.
Summary of the invention
It is complicated for photocatalysis film preparation in existing material for air purification, it has a single function, the defects of clean-up effect is bad,
The present invention proposes a kind of compound photocatalysis film and preparation method.Photocatalysis film preparation process is simple in the present invention, can
Light-exposed area is attained by good clean-up effect, and can also releasing negative oxygen ion, improve air quality.
To solve the above problems, the invention adopts the following technical scheme:
A kind of preparation method for the compound photocatalysis film optimizing room air, prepares titanium dioxide using sol-gel method
Film, and silica and the polyethylene glycol with pore-creating function is added, then high-temperature calcination under a nitrogen atmosphere forms N doping
Anatase titania film, finally adsorb one layer of anion releasing agent in film surface, obtain composite air purification light
Catalytic film, it is specific the preparation method is as follows:
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in NaOH solution and impregnates 10-30min, it is dry after being cleaned with deionized water, as painting ilm substrate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, forms titania-silica complex sol；
(3) preparation of mesopore film: complex sol is coated on the substrate cleaned using sol evenning machine, spin coating 40-60s will make
The film obtained after dry 1-3 h, then carries out calcining 4-6h at 25-35 DEG C under 400 DEG C ~ 700 DEG C of nitrogen atmosphere, is formed
The anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: tourmaline is milled to nanoscale, sodium carboxymethylcellulose, Zirconium oxide powder is added
And water, stirring form suspension, titanium deoxid film made from step (2) are immersed in the suspension, using ultrasonic vibration
Mode negative oxygen ion releasing agent is loaded on titanium deoxid film, after the completion of load, it is obtained by drying to composite air it is net
Photocatalysis film.
Preferably, the mass fraction of NaOH solution as described in step (1) is 5%-15%.
Preferably, ethyl orthosilicate described in step (2), butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second two
The ratio between amount of substance of alcohol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2.
Preferably, stirring condition described in step (2) is 20-30 °C, is stirred with the stirring rate of 15-20r/min
10-20min。
Preferably, the coating thickness that complex sol is coated described in step (3) is 200-500 μm, the spin coating rotation
Painting revolving speed is 3000-5000r/min.
Preferably, rotational speed of ball-mill described in step (4) turns for 1500-3000, and the partial size of the nano-tourmaline is 10-90
nm。
Preferably, in step (4), the quality of the nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and water
Ratio is 1:1:0.5-0.9:50.
Preferably, in step (5), the ultrasonic power control is 10-40kW, ultrasonic 20-40min.
Preferably, drying temperature described in step (5) is 40-80 DEG C.
A kind of compound photocatalysis film optimizing room air, is prepared by the preparation method.
TiO2Have many advantages, such as that photocatalytic activity is high, chemical property is stable, completely harmless to human body, thus gains great popularity.
To TiO2It is doped modified, light induced electron, hole can not only be captured, and its light absorption wavelength model can be expanded
It encloses, to improve photo-quantum efficiency, and then improves its indoor air purification ability.Anion is a kind of negatively charged in air
Gas ion is known as " air vitamin ", is an important indicator for evaluating environment and air quality.By nano-tourmaline powder
Anion releasing agent as main component, the negative oxygen ion of generation activity with higher have very strong redox work
With the cell membrane of bacterium or the activity of cellular plasm organized enzyme can be destroyed, to realize antibiotic and sterilizing.In consideration of it, for existing
There is in material for air purification photocatalysis film preparation complicated, have a single function, the defects of clean-up effect is bad, the present invention proposes one kind
Compound photocatalysis film and preparation method.Ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed and carry out prehydrolysis,
Then the mixed liquor of butyl titanate and dehydrated alcohol is added, polyethylene glycol and hexylene glycol acrylate is added, stirring forms two
Titania-silica complex sol；The spin coater that above-mentioned complex sol is passed through to film coating, is uniformly coated on glass
It on glass substrate, is then calcined, forms the anatase titanium dioxide film of N doping.Tourmaline is milled to nanoscale to make
For releasing negative oxygen ion agent, water, sodium carboxymethylcellulose and Zirconium oxide powder is added, stirring forms suspension, by obtained two
Thin film of titanium oxide is immersed in the suspension, and it is thin that negative oxygen ion releasing agent is loaded into titanium dioxide by the way of ultrasonic vibration
It is obtained by drying to purify photocatalysis film to composite air after the completion of load on film.Photocatalysis film preparation process in the present invention
Simply, be attained by good clean-up effect in visible region, and can also releasing negative oxygen ion, improve air quality.
The present invention proposes a kind of compound photocatalysis film and preparation method for optimizing room air, compared with prior art,
Prominent feature and excellent effect are:
1, the present invention proposes a kind of compound photocatalysis film and preparation method, and it is thin to prepare titanium dioxide using sol-gel method
Film, and silica and the polyethylene glycol with pore-creating function is added, the film of preparation has porosity, and adsorption capacity is very strong.?
High-temperature calcination under condition of nitrogen gas forms the anatase titania film of N doping, increases titanium deoxid film in visible region
Photocatalysis performance, catalytic performance greatly improves.
2, compound photocatalysis film surface prepared by the present invention is loaded with one layer of anion releasing agent, in purification air
While pollutant can releasing negative oxygen ion, improve air quality.
3, preparation process of the present invention is simple, and the compound photocatalysis film of preparation is nontoxic, and film has a variety of purification functions,
It can be widely used in the equipment such as air purifier or air conditioner filter screen.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in the NaOH solution that mass fraction is 5% and impregnates 30min, it is dry after being cleaned with deionized water, as film base
Plate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, condition is 25 °C, stirs 10min with the stirring rate of 18r/min, forms two
Titania-silica complex sol；The ethyl orthosilicate, butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second two
The ratio between amount of substance of alcohol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2；
(3) preparation of mesopore film: coating complex sol using sol evenning machine on the substrate cleaned, and coating thickness is 500 μm,
Spin coating spin coating revolving speed is 3500r/min, spin coating 50s, by film obtained at 28 DEG C after dry 2.5h, then at 560 DEG C
Calcining 5.5h is carried out under nitrogen atmosphere, forms the anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: setting rotational speed of ball-mill is 2100 turns, and it is 85nm, ball milling that tourmaline, which is milled to partial size,
Be added sodium carboxymethylcellulose, Zirconium oxide powder and water afterwards, nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and
The mass ratio of water is that 1:1:0.65:50 stirs to form suspension, and it is outstanding that titanium deoxid film made from step (2) is immersed in this
In supernatant liquid, it is 35kW that setting ultrasonic power, which controls, and ultrasonic 25min is added negative oxygen ion releasing agent by the way of ultrasonic vibration
It is downloaded on titanium deoxid film, after the completion of load, temperature purifies photocatalysis film to obtain composite air after 55 DEG C of drying.
Embodiment 2
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in the NaOH solution that mass fraction is 5% and impregnates 30min, it is dry after being cleaned with deionized water, as film base
Plate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, condition is 20 °C, stirs 10min with the stirring rate of 20r/min, forms two
Titania-silica complex sol；The ethyl orthosilicate, butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second two
The ratio between amount of substance of alcohol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2
(3) preparation of mesopore film: coating complex sol using sol evenning machine on the substrate cleaned, and coating thickness is 300 μm,
Spin coating spin coating revolving speed is 5000r/min, spin coating 40s, by film obtained at 28 DEG C after dry 3h, then in 400 DEG C of nitrogen
Calcining 4h is carried out under gas atmosphere, forms the anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: setting rotational speed of ball-mill is 2800 turns, and it is 76 nm, ball milling that tourmaline, which is milled to partial size,
Be added sodium carboxymethylcellulose, Zirconium oxide powder and water afterwards, nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and
The mass ratio of water is that 1:1:0.9:50 stirs to form suspension, and it is outstanding that titanium deoxid film made from step (2) is immersed in this
In supernatant liquid, it is 15kW that setting ultrasonic power, which controls, and ultrasonic 35min is added negative oxygen ion releasing agent by the way of ultrasonic vibration
It is downloaded on titanium deoxid film, after the completion of load, temperature purifies photocatalysis film to obtain composite air after 80 DEG C of drying.
Embodiment 3
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in the NaOH solution that mass fraction is 13% and impregnates 15min, it is dry after being cleaned with deionized water, as film base
Plate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, condition is 28 °C, stirs 10-20min, shape with the stirring rate of 18r/min
At titania-silica complex sol；The ethyl orthosilicate, butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second
The ratio between amount of substance of glycol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2；
(3) preparation of mesopore film: coating complex sol using sol evenning machine on the substrate cleaned, and coating thickness is 500 μm,
Spin coating spin coating revolving speed is 5000r/min, spin coating 60s,, by film obtained at 25 DEG C after dry 3 h, then at 700 DEG C
Nitrogen atmosphere under carry out calcining 5h, form the anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: setting rotational speed of ball-mill is 2700 turns, and it is 25 nm, ball milling that tourmaline, which is milled to partial size,
Be added sodium carboxymethylcellulose, Zirconium oxide powder and water afterwards, nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and
The mass ratio of water is that 1:1:0.65:50 stirs to form suspension, and it is outstanding that titanium deoxid film made from step (2) is immersed in this
In supernatant liquid, it is 35kW that setting ultrasonic power, which controls, and ultrasonic 35min is added negative oxygen ion releasing agent by the way of ultrasonic vibration
It is downloaded on titanium deoxid film, after the completion of load, temperature purifies photocatalysis film to obtain composite air after 65 DEG C of drying.
Embodiment 4
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in the NaOH solution that mass fraction is 14% and impregnates 12min, it is dry after being cleaned with deionized water, as film base
Plate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, condition is 28 °C, stirs 10-20min, shape with the stirring rate of 18r/min
At titania-silica complex sol；The ethyl orthosilicate, butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second
The ratio between amount of substance of glycol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2；
(3) preparation of mesopore film: complex sol is coated on the substrate cleaned using sol evenning machine, coating thickness is 500 μm
Spin coating spin coating revolving speed is 3400r/min, spin coating 54s, by film obtained at 32 DEG C after dry 2.7h, then at 510 DEG C
Calcining 4.5h is carried out under nitrogen atmosphere, forms the anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: setting rotational speed of ball-mill is 2500 turns, and it is 46 nm, ball milling that tourmaline, which is milled to partial size,
Be added sodium carboxymethylcellulose, Zirconium oxide powder and water afterwards, nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and
The mass ratio of water is that 1:1:0.75:50 stirs to form suspension, and it is outstanding that titanium deoxid film made from step (2) is immersed in this
In supernatant liquid, it is 25kW that setting ultrasonic power, which controls, and ultrasonic 38min is added negative oxygen ion releasing agent by the way of ultrasonic vibration
It is downloaded on titanium deoxid film, after the completion of load, temperature purifies photocatalysis film to obtain composite air after 55 DEG C of drying.
Embodiment 5
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in the NaOH solution that mass fraction is 15% and impregnates 10min, it is dry after being cleaned with deionized water, as film base
Plate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, condition is 30 °C, stirs 20min with the stirring rate of 15r/min, forms two
Titania-silica complex sol；The ethyl orthosilicate, butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second two
The ratio between amount of substance of alcohol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2；
(3) preparation of mesopore film: complex sol is coated on the substrate cleaned using sol evenning machine, coating thickness is 500 μm
Spin coating spin coating revolving speed is 3200r/min, spin coating 60s, by film obtained at 35 DEG C after dry 1h, then in 700 DEG C of nitrogen
Calcining 4-6h is carried out under gas atmosphere, forms the anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: setting rotational speed of ball-mill is 1500 turns, and it is 90 nm, ball milling that tourmaline, which is milled to partial size,
Be added sodium carboxymethylcellulose, Zirconium oxide powder and water afterwards, nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and
The mass ratio of water is that 1:1:0.5:50 stirs to form suspension, and it is outstanding that titanium deoxid film made from step (2) is immersed in this
In supernatant liquid, it is 40kW that setting ultrasonic power, which controls, and ultrasonic 20min is added negative oxygen ion releasing agent by the way of ultrasonic vibration
It is downloaded on titanium deoxid film, after the completion of load, temperature purifies photocatalysis film to obtain composite air after 40 DEG C of drying.
Comparative example 1
With a thickness of 500 microns of general T iO2Film is used for air cleaning.
Comparative example 2
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in the NaOH solution that mass fraction is 15% and impregnates 10min, it is dry after being cleaned with deionized water, as film base
Plate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, condition is 30 °C, stirs 20min with the stirring rate of 15r/min, forms two
Titania-silica complex sol；The ethyl orthosilicate, butyl titanate, water, dehydrated alcohol, glacial acetic acid, poly- second two
The ratio between amount of substance of alcohol, hexylene glycol acrylate is 8:6:50:30:0.9:1:2；
(3) preparation of mesopore film: complex sol is coated on the substrate cleaned using sol evenning machine, coating thickness is 500 μm
Spin coating spin coating revolving speed is 3200r/min, spin coating 60s, by film obtained at 35 DEG C after dry 1h, then in 700 DEG C of nitrogen
Calcining 4-6h is carried out under gas atmosphere, forms the anatase titanium dioxide film of N doping.
The obtained film of embodiment 1-5, comparative example 1-2 is used for the pollution air of purification simulation；With toluene 150mg/m3、
Formaldehyde 150mg/m3And 200,000/m of Escherichia coli3Indoor pollutant is simulated, purification test is respectively in the condition for opening ultraviolet lamp
And carried out under visible light conditions, clarification time 5min, the pollutant concentration measured after purification is as shown in table 1.
Table 1:
Claims (10)
1. a kind of preparation method for the compound photocatalysis film for optimizing room air, which is characterized in that use sol-gel method
Titanium deoxid film is prepared, and silica and the polyethylene glycol with pore-creating function is added, then high temperature is forged under a nitrogen atmosphere
It burns, forms the anatase titania film of N doping, finally adsorb one layer of anion releasing agent in film surface, obtain described compound
Type air cleaning photocatalysis film, it is specific the preparation method is as follows:
(1) cleaning of glass substrate: first by substrate ultrasonic cleaning, then deionized water, washes of absolute alcohol are used respectively, then
Substrate is placed in NaOH solution and impregnates 10-30min, it is dry after being cleaned with deionized water, as painting ilm substrate；
(2) preparation of sol-gel complex sol: ethyl orthosilicate, water, dehydrated alcohol and glacial acetic acid are mixed carry out first
Then the mixed liquor of butyl titanate and dehydrated alcohol is added in prehydrolysis, be added polyethylene glycol and hexylene glycol acrylate, then
It is stirred in heat collecting type constant-temperature heating magnetic stirring apparatus, forms titania-silica complex sol；
(3) preparation of mesopore film: complex sol is coated on the substrate cleaned using sol evenning machine, spin coating 40-60s will make
The film obtained after dry 1-3 h, then carries out calcining 4-6h at 25-35 DEG C under 400 DEG C ~ 700 DEG C of nitrogen atmosphere, is formed
The anatase titanium dioxide film of N doping；
(4) load of anion releasing agent: tourmaline is milled to nanoscale, sodium carboxymethylcellulose, Zirconium oxide powder is added
And water, stirring form suspension, titanium deoxid film made from step (2) are immersed in the suspension, using ultrasonic vibration
Mode negative oxygen ion releasing agent is loaded on titanium deoxid film, after the completion of load, it is obtained by drying to composite air it is net
Photocatalysis film.
2. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
It is, the mass fraction of NaOH solution as described in step (1) is 5%-15%.
3. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
It is, ethyl orthosilicate described in step (2), butyl titanate, water, dehydrated alcohol, glacial acetic acid, polyethylene glycol, hexylene glycol third
The ratio between amount of substance of olefin(e) acid ester is 8:6:50:30:0.9:1:2.
4. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
It is, stirring condition described in step (2) is 20-30 °C, stirs 10-20min with the stirring rate of 15-20r/min.
5. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
Be, described in step (3) coating complex sol with a thickness of 200-500 μm, the spin coating spin coating revolving speed be 3000-
5000r/min。
6. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
It is, rotational speed of ball-mill described in step (4) turns for 1500-3000, and the partial size of the nano-tourmaline is 10-90 nm.
7. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
Be, in step (4), the nano-scaled electric stone, sodium carboxymethylcellulose, Zirconium oxide powder and water mass ratio be 1:1:
0.5-0.9:50.
8. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
It is, in step (5), the ultrasonic power control is 10-40kW, ultrasonic 20-40min.
9. a kind of preparation method of compound photocatalysis film for optimizing room air according to claim 1, feature
It is, drying temperature described in step (5) is 40-80 DEG C.
10. a kind of compound photocatalysis film for optimizing room air, which is characterized in that the method as described in claim 1-9
It is prepared.
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| CN111155731A (en) * | 2019-12-25 | 2020-05-15 | 安徽赛驰通讯科技有限公司 | Non-woven wallpaper capable of purifying indoor air and preparation method thereof |
| CN113842707A (en) * | 2021-09-17 | 2021-12-28 | 兴源环境科技股份有限公司 | High-flux anti-sticking filter cloth for blue algae mud dehydration and preparation method thereof |
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| CN111155731A (en) * | 2019-12-25 | 2020-05-15 | 安徽赛驰通讯科技有限公司 | Non-woven wallpaper capable of purifying indoor air and preparation method thereof |
| CN113842707A (en) * | 2021-09-17 | 2021-12-28 | 兴源环境科技股份有限公司 | High-flux anti-sticking filter cloth for blue algae mud dehydration and preparation method thereof |
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