CN110152742A - A kind of Nano titanium dioxide photocatalyst - Google Patents
A kind of Nano titanium dioxide photocatalyst Download PDFInfo
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- CN110152742A CN110152742A CN201910492721.1A CN201910492721A CN110152742A CN 110152742 A CN110152742 A CN 110152742A CN 201910492721 A CN201910492721 A CN 201910492721A CN 110152742 A CN110152742 A CN 110152742A
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 44
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 title claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000002270 dispersing agent Substances 0.000 claims abstract description 23
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims abstract description 22
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 20
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 19
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 19
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 4
- BACYUWVYYTXETD-UHFFFAOYSA-N N-Lauroylsarcosine Chemical compound CCCCCCCCCCCC(=O)N(C)CC(O)=O BACYUWVYYTXETD-UHFFFAOYSA-N 0.000 claims description 3
- VVJKKWFAADXIJK-UHFFFAOYSA-N allylamine Natural products NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 108700004121 sarkosyl Proteins 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 239000011787 zinc oxide Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000008236 heating water Substances 0.000 description 7
- 238000002604 ultrasonography Methods 0.000 description 7
- 230000000844 anti-bacterial effect Effects 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
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- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
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- 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
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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- 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
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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Abstract
The invention discloses a kind of Nano titanium dioxide photocatalysts, photocatalyst component includes 10-20 parts of Nano titanium dioxide, 1-3 parts of dispersing agent, 2-4 parts of nano silver, 3-6 parts of nano silica, 3-9 parts of nano zirconium dioxide, 4-10 parts of nano zine oxide, 12-22 parts of deionized water, 4-10 parts of iron chloride, 5-12 parts of polyvinylpyrrolidone in parts by weight, preparation method of the present invention is simple, raw material sources are extensive, and photocatalyst excellent catalytic effect obtained, corrosiveness will not be generated, oxidability is stronger, sterilizing ability is strong, and the holding time is long.
Description
Technical field
The present invention relates to photocatalyst preparation technical field, specially a kind of Nano titanium dioxide photocatalyst.
Background technique
Photocatalyst is a kind of using Nano titanium dioxide as the total of the photosemiconductor material with photo-catalysis function of representative
Claim, it is coated on substrate surface, under the action of ultraviolet light and visible light, generates strong catalytic degradation function: can effectively drop
Solve toxic and harmful gas in air；It can effectively kill various bacteria, and the toxin that bacterium or fungi release can be decomposed and nothing
Evilization processing；It is also equipped with simultaneously except functions such as formaldehyde, deodorization, anti-pollution, purification air.
Current photocatalyst is not strong in the prevalence of photocatalytic, and light utilization is low, and bactericidal effect is undesirable, without antibacterial
The disadvantages of effect, therefore, it is necessary to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of Nano titanium dioxide photocatalysts, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of Nano titanium dioxide photocatalyst, photocatalyst
Component includes 10-20 parts of Nano titanium dioxide, 1-3 parts of dispersing agent, 2-4 parts of nano silver, nano silica in parts by weight
3-6 parts, 3-9 parts of nano zirconium dioxide, 4-10 parts of nano zine oxide, 12-22 parts of deionized water, 4-10 parts of iron chloride, polyethylene
5-12 parts of pyrrolidones.
Preferably, the preferred composition proportion of photocatalyst component includes 15 parts of Nano titanium dioxide, dispersing agent 2 part, nanometer
3 parts of silver, 6 parts of nano zirconium dioxide, 7 parts of nano zine oxide, 17 parts of deionized water, 7 parts of iron chloride, gathers at 5 parts of nano silica
9 parts of vinylpyrrolidone.
Preferably, the dispersing agent is by 2- phosphate -1,2,4- butane tricarboxylate 30%, rilanit special 20%, propylene
Acid -2- allylamine -2- methyl propane sulfonic acid copolymer 20%, N- lauroyl sarcosine 30% form.
Preferably, preparation method includes the following steps:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
Preferably, stirring rate is 300-600 revs/min in the step B, time 15min-25min.
Preferably, water bath heating temperature is 55-70 DEG C, heating time 8min-12min in the step C, ultrasonic power
For 1000-1500W.
Compared with prior art, the beneficial effects of the present invention are: preparation method of the present invention is simple, raw material sources are extensive, and
And photocatalyst excellent catalytic effect obtained, corrosiveness will not be generated, oxidability is stronger, and sterilizing ability is strong, and when preservation
Between it is long；Wherein, the nano zirconium dioxide good dispersion added in the present invention has good thermo-chemical stability, high-temperature electric conduction
Property and higher intensity and toughness, machinery, calorifics, electricity, optical property are good；The nano zine oxide of addition presses down with antibacterial
Bacterium, taste of dispelling are mould proof, cover imparted energy；The iron chloride of addition, polyvinylpyrrolidone mixture can enhance photocatalyst
Antibacterial bacteria-eliminating efficacy；In addition, the preparation method used in the present invention can ensure that each material component is sufficiently mixed, and pass through water
Ultrasonic Heating step is bathed, the activity of the photocatalyst of preparation can be further increased.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The invention provides the following technical scheme: a kind of Nano titanium dioxide photocatalyst, photocatalyst component is in parts by weight
Including 10-20 parts of Nano titanium dioxide, 1-3 parts of dispersing agent, 2-4 parts of nano silver, 3-6 parts of nano silica, nano-silica
Change zirconium 3-9 parts, 4-10 parts of nano zine oxide, 12-22 parts of deionized water, 4-10 parts of iron chloride, 5-12 parts of polyvinylpyrrolidone,
Wherein, dispersing agent is by 2- phosphate -1,2,4- butane tricarboxylate 30%, rilanit special 20%, acrylic acid -2- allylamine -2-
Methyl propane sulfonic acid copolymer 20%, N- lauroyl sarcosine 30% form.
Embodiment one:
Photocatalyst component includes 10 parts of Nano titanium dioxide, 1 part of dispersing agent, 2 part, nanometer two of nano silver in parts by weight
3 parts of silica, 3 parts of nano zirconium dioxide, 4 parts of nano zine oxide, 12 parts of deionized water, 4 parts of iron chloride, polyvinylpyrrolidone
5 parts.
The preparation method of the present embodiment the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
In the present embodiment, stirring rate is 300 revs/min in step B, time 15min.
In the present embodiment, water bath heating temperature is 55 DEG C, heating time 8min, ultrasonic power 1000W in step C.
Embodiment two:
Photocatalyst component includes 20 parts of Nano titanium dioxide, 3 parts of dispersing agent, 4 part, nanometer two of nano silver in parts by weight
6 parts of silica, 9 parts of nano zirconium dioxide, 10 parts of nano zine oxide, 22 parts of deionized water, 10 parts of iron chloride, polyvinylpyrrolidine
12 parts of ketone.
The preparation method of the present embodiment the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
In the present embodiment, stirring rate is 600 revs/min in step B, time 25min.
In the present embodiment, water bath heating temperature is 70 DEG C, heating time 12min, ultrasonic power 1500W in step C.
Embodiment three:
Photocatalyst component includes 12 parts of Nano titanium dioxide, 2 parts of dispersing agent, 2 part, nanometer two of nano silver in parts by weight
4 parts of silica, 4 parts of nano zirconium dioxide, 5 parts of nano zine oxide, 14 parts of deionized water, 5 parts of iron chloride, polyvinylpyrrolidone
7 parts.
The preparation method of the present embodiment the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
In the present embodiment, stirring rate is 350 revs/min in step B, time 17min.
In the present embodiment, water bath heating temperature is 58 DEG C, heating time 9min, ultrasonic power 1100W in step C.
Example IV:
Photocatalyst component includes 18 parts of Nano titanium dioxide, 3 parts of dispersing agent, 4 part, nanometer two of nano silver in parts by weight
5 parts of silica, 8 parts of nano zirconium dioxide, 9 parts of nano zine oxide, 20 parts of deionized water, 9 parts of iron chloride, polyvinylpyrrolidone
10 parts.
The preparation method of the present embodiment the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
In the present embodiment, stirring rate is 500 revs/min in step B, time 22min.
In the present embodiment, water bath heating temperature is 68 DEG C, heating time 11min, ultrasonic power 1400W in step C.
Embodiment five:
Photocatalyst component includes 14 parts of Nano titanium dioxide, 2 parts of dispersing agent, 2 part, nanometer two of nano silver in parts by weight
3 parts of silica, 7 parts of nano zirconium dioxide, 8 parts of nano zine oxide, 18 parts of deionized water, 5 parts of iron chloride, polyvinylpyrrolidone
9 parts.
The preparation method of the present embodiment the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
In the present embodiment, stirring rate is 500 revs/min in step B, time 22min.
In the present embodiment, water bath heating temperature is 68 DEG C, heating time 12min, ultrasonic power 1150W in step C.
Embodiment six:
Photocatalyst component includes 15 parts of Nano titanium dioxide, 2 parts of dispersing agent, 3 part, nanometer two of nano silver in parts by weight
5 parts of silica, 6 parts of nano zirconium dioxide, 7 parts of nano zine oxide, 17 parts of deionized water, 7 parts of iron chloride, polyvinylpyrrolidone
9 parts.
The preparation method of the present embodiment the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, after Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide being mixed
It is added in agitator tank, and deionized water is added, be sufficiently stirred at normal temperature, obtain mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasound
Heating water bath is slowly cooled to room temperature later to get photocatalyst is arrived.
In the present embodiment, stirring rate is 450 revs/min in step B, time 20min.
In the present embodiment, water bath heating temperature is 62 DEG C, heating time 10min, ultrasonic power 1250W in step C.
Experimental example:
It is tested for the property using photocatalyst made from various embodiments of the present invention, obtains data and be as follows:
| Degerming rate (%) | (h) is held time in sterilization | |
| Embodiment one | 98.9 | 48 |
| Embodiment two | 99.1 | 48 |
| Embodiment three | 98.8 | 46 |
| Example IV | 99.2 | 48 |
| Embodiment five | 99.1 | 49 |
| Embodiment six | 99.3 | 50 |
In conclusion preparation method of the present invention is simple, raw material sources are extensive, and photocatalyst excellent catalytic effect obtained,
Corrosiveness will not be generated, oxidability is stronger, and sterilizing ability is strong, and the holding time is long；Wherein, that adds in the present invention receives
Rice zirconium dioxide good dispersion, with good thermo-chemical stability, pyroconductivity and higher intensity and toughness, mechanical,
Calorifics, electricity, optical property are good；The nano zine oxide of addition has that antibacterial bacteriostatic, taste of dispelling be mould proof, the imparted energy of masking；
The iron chloride of addition, polyvinylpyrrolidone mixture can enhance the antibacterial bacteria-eliminating efficacy of photocatalyst；In addition, being adopted in the present invention
Preparation method can ensure that each material component is sufficiently mixed, and by water bath sonicator heating stepses, can further mention
The activity of the photocatalyst of height preparation.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of Nano titanium dioxide photocatalyst, it is characterised in that: photocatalyst component includes nanoscale dioxy in parts by weight
Change titanium 10-20 parts, 1-3 parts of dispersing agent, 2-4 parts of nano silver, 3-6 parts of nano silica, 3-9 parts of nano zirconium dioxide, nanometer
4-10 parts of zinc oxide, 12-22 parts of deionized water, 4-10 parts of iron chloride, 5-12 parts of polyvinylpyrrolidone.
2. a kind of Nano titanium dioxide photocatalyst according to claim 1, it is characterised in that: photocatalyst component is preferred
Composition proportion includes 15 parts of Nano titanium dioxide, 2 parts of dispersing agent, 3 parts of nano silver, 5 parts of nano silica, nanometer titanium dioxide
6 parts of zirconium, 7 parts of nano zine oxide, 17 parts of deionized water, 7 parts of iron chloride, 9 parts of polyvinylpyrrolidone.
3. a kind of Nano titanium dioxide photocatalyst according to claim 1, it is characterised in that: the dispersing agent is by 2- phosphorus
Acidic group -1,2,4- butane tricarboxylate 30%, rilanit special 20%, acrylic acid -2- allylamine -2- methyl propane sulfonic acid copolymer
20%, N- lauroyl sarcosine 30% forms.
4. realizing a kind of preparation method of Nano titanium dioxide photocatalyst described in claim 1, it is characterised in that: it is prepared
Method the following steps are included:
A, it is dissolved in dehydrated alcohol after mixing iron chloride, polyvinylpyrrolidone, obtains mixed liquor A；
B, it is added after mixing Nano titanium dioxide, nano silver, nano silica, nano zirconium dioxide, nano zine oxide
In agitator tank, and deionized water is added, is sufficiently stirred at normal temperature, obtains mixed liquid B；
C, mixed liquor A is added in mixed liquid B, and dispersing agent is added, then mixed liquor is added in water-bath and carries out ultrasonic water bath
Heating is slowly cooled to room temperature later to get photocatalyst is arrived.
5. a kind of preparation method of Nano titanium dioxide photocatalyst according to claim 4, it is characterised in that: the step
Stirring rate is 300-600 revs/min in rapid B, time 15min-25min.
6. a kind of preparation method of Nano titanium dioxide photocatalyst according to claim 4, it is characterised in that: the step
Water bath heating temperature is 55-70 DEG C, heating time 8min-12min, ultrasonic power 1000-1500W in rapid C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111838181A (en) * | 2020-08-04 | 2020-10-30 | 常州吉娜泰盛地板有限公司 | Nano photocatalyst formaldehyde-removing antibacterial mildew-proof liquid and decorative material using same |
| CN112314637A (en) * | 2020-10-23 | 2021-02-05 | 张彧 | Sterilization spray formula |
| CN113331210A (en) * | 2021-05-31 | 2021-09-03 | 浙江先拓环保科技有限公司 | Photocatalyst mildew-proof antibacterial agent and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111838181A (en) * | 2020-08-04 | 2020-10-30 | 常州吉娜泰盛地板有限公司 | Nano photocatalyst formaldehyde-removing antibacterial mildew-proof liquid and decorative material using same |
| CN112314637A (en) * | 2020-10-23 | 2021-02-05 | 张彧 | Sterilization spray formula |
| CN113331210A (en) * | 2021-05-31 | 2021-09-03 | 浙江先拓环保科技有限公司 | Photocatalyst mildew-proof antibacterial agent and preparation method thereof |
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