CN107469869A - A kind of preparation method of photocatalytic fiber net - Google Patents
A kind of preparation method of photocatalytic fiber net Download PDFInfo
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- CN107469869A CN107469869A CN201710728063.2A CN201710728063A CN107469869A CN 107469869 A CN107469869 A CN 107469869A CN 201710728063 A CN201710728063 A CN 201710728063A CN 107469869 A CN107469869 A CN 107469869A
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- fiber material
- colloidal sol
- photocatalysis
- titanium dioxide
- preparation
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 106
- 239000000835 fiber Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 239000002657 fibrous material Substances 0.000 claims abstract description 80
- 239000003054 catalyst Substances 0.000 claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000007146 photocatalysis Methods 0.000 claims abstract description 58
- 239000011941 photocatalyst Substances 0.000 claims abstract description 36
- 239000002904 solvent Substances 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 109
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 70
- 229910002804 graphite Inorganic materials 0.000 claims description 62
- 239000010439 graphite Substances 0.000 claims description 62
- 229910052751 metal Inorganic materials 0.000 claims description 58
- 239000002184 metal Substances 0.000 claims description 58
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 45
- 239000010936 titanium Substances 0.000 claims description 45
- 229910052719 titanium Inorganic materials 0.000 claims description 45
- 239000006185 dispersion Substances 0.000 claims description 39
- 229920000728 polyester Polymers 0.000 claims description 38
- 229910052799 carbon Inorganic materials 0.000 claims description 33
- 239000004408 titanium dioxide Substances 0.000 claims description 29
- -1 titanium dioxide Compound Chemical class 0.000 claims description 27
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 24
- 239000011496 polyurethane foam Substances 0.000 claims description 24
- 229910021389 graphene Inorganic materials 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 38
- 239000011159 matrix material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 62
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 36
- 238000012360 testing method Methods 0.000 description 27
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 22
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 22
- 229930040373 Paraformaldehyde Natural products 0.000 description 16
- 229920002866 paraformaldehyde Polymers 0.000 description 16
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 14
- 125000004122 cyclic group Chemical group 0.000 description 13
- 230000003197 catalytic effect Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 12
- 239000012046 mixed solvent Substances 0.000 description 12
- 241000894007 species Species 0.000 description 12
- 239000008367 deionised water Substances 0.000 description 10
- 229910021641 deionized water Inorganic materials 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 239000002344 surface layer Substances 0.000 description 9
- 235000019256 formaldehyde Nutrition 0.000 description 7
- 238000002386 leaching Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000000443 aerosol Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- KMHSUNDEGHRBNV-UHFFFAOYSA-N 2,4-dichloropyrimidine-5-carbonitrile Chemical class ClC1=NC=C(C#N)C(Cl)=N1 KMHSUNDEGHRBNV-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001428 transition metal ion Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 150000003658 tungsten compounds Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- IYZPEGVSBUNMBE-UHFFFAOYSA-N 2-[[5-[1-[3-[[carboxylatomethyl(carboxymethyl)azaniumyl]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)azaniumyl]acetate Chemical compound OC(=O)CN(CC(O)=O)CC1=C(O)C(C)=CC(C2(C3=CC=CC=C3C(=O)O2)C=2C=C(CN(CC(O)=O)CC(O)=O)C(O)=C(C)C=2)=C1 IYZPEGVSBUNMBE-UHFFFAOYSA-N 0.000 description 1
- HCXVRWNMKLEOKO-UHFFFAOYSA-N 2-benzofuran-1,3-dione;urea Chemical compound NC(N)=O.C1=CC=C2C(=O)OC(=O)C2=C1 HCXVRWNMKLEOKO-UHFFFAOYSA-N 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000011266 Passiflora quadrangularis Nutrition 0.000 description 1
- 244000179684 Passiflora quadrangularis Species 0.000 description 1
- 229910006069 SO3H Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 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
- BAQNULZQXCKSQW-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4] BAQNULZQXCKSQW-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003384 small molecules Chemical group 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
-
- 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
- B01J31/36—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of vanadium, niobium or tantalum
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
The invention provides a kind of preparation method of photocatalytic fiber net, the photocatalysis padding liquid comprising photochemical catalyst and colloidal sol is supported on complex fiber material by padding method, solvent therein is removed by drying again, finally photocatalysis complex fiber material is reinforced using framework, obtains photocatalytic fiber net.The present invention using complex fiber material as matrix, using complex fiber material specific surface area it is big the characteristics of, improve photocatalyst granular complex fiber material surface dispersing uniformity, so as to improve photocatalysis efficiency；And the photocatalysis padding liquid of the present invention includes colloidal sol, colloidal sol and photochemical catalyst can form self assembled three-dimensional stacked structure on complex fiber material surface, the contact area of organic pollution and photochemical catalyst in air can be improved, so as to further improve the utilization ratio of photochemical catalyst.
Description
Technical field
The present invention relates to light-catalysed technical field, more particularly to a kind of preparation method of photocatalytic fiber net.
Background technology
With economical activities of mankind and production develop rapidly, largely consumption the energy while, also by substantial amounts of waste gas,
Flue dust thing is discharged into air, has had a strong impact on the quality of atmospheric environment.In a range of air, occur not having originally has
Organic pollutants, its quantity and duration are likely to have a negative impact and endanger to people, animal, plant.
People were about more than 80% the one day time indoors with in-car, so air purifier enjoys pass in recent years
Note.Removal of the existing air purifier in market to volatile organic contaminant is more using adsorbent absorption and chemical complexing etc.
Method.These method organic pollutant removal rates are not high, and air purification effect is simultaneously bad.
Photocatalysis is a kind of green, environmentally friendly method for removing removal organic polluter, has good chemistry steady
Qualitative, heat endurance, and catalytic process is non-toxic, it is environmentally friendly, obtain the extensive concern of people.But by photocatalysis technology
The frontier combined with air clearing product, still have to be developed.
The content of the invention
In view of this, present invention aims at provide a kind of preparation method of photocatalytic fiber net.System provided by the invention
Preparation Method is simple, and cost is low, and the photocatalytic fiber net photocatalysis effect being prepared is good, volatilization that can be in efficient degradation air
Property organic pollution, is widely used in air cleaning unit.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
The invention provides a kind of preparation method of photocatalytic fiber net, comprise the following steps：
(1) complex fiber material is padded in photocatalysis padding liquid, the complex fiber material after being padded；It is described multiple
Condensating fiber material includes polyester webs yarn layer and polyurethane foam layer；The photocatalysis padding liquid includes photochemical catalyst, colloidal sol and molten
Agent；
(2) complex fiber material after described pad is dried, obtains photocatalysis complex fiber material；
(3) by the photocatalysis complex fiber material frame strengthening, photocatalytic fiber net is obtained.
Preferably, the step (1) replaces with：
Complex fiber material is padded in photocatalyst dispersion liquid and sol solution respectively, the compound fibre after being padded
Tie up material；The photocatalyst dispersion liquid includes photochemical catalyst and solvent；The sol solution includes colloidal sol and solvent.
Preferably, the photochemical catalyst is titanium dioxide, titanium dioxide-graphene complex, titanium dioxide-class graphite-phase
Compound, titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound, the titanium dioxide-tungstic acid of carbonitride are compound
Thing, class graphite phase carbon nitride-tungstic acid compound, class graphite phase carbon nitride-metal phthalocyanine compound, the oxygen of metal phthalocyanine-three
Change tungsten compound, the compound of titanium dioxide-class graphite phase carbon nitride-tungstic acid, titanium dioxide-metal phthalocyanine-three to aoxidize
One or more of mixtures in tungsten compound.
Preferably, the colloidal sol is Ludox and/or Alumina gel；
The pH value of the colloidal sol is 3~11；
The concentration of the colloidal sol is 2~50wt%；
The particle diameter of the colloidal sol is 1~100nm.
Preferably, graphene is also included in the colloidal sol；The content of graphene is photochemical catalyst quality in the colloidal sol
0.1~2%.
Preferably, the quality of photochemical catalyst and the volume ratio of solvent are 1~30g in the photocatalysis padding liquid：1L；
The quality of colloidal sol and the volume ratio of solvent are 0.1~15g in the photocatalysis padding liquid：1L.
Preferably, the quality of photochemical catalyst and the volume ratio of solvent are 1~30g in the photocatalyst dispersion liquid：1L；
The quality of colloidal sol and the volume ratio of solvent are 0.1~15g in the sol solution：1L.
Preferably, the mangle speed padded stands alone as 5~60m/min；The mangle pressure padded is stood alone as
0.05~0.5MPa.
Preferably, the temperature of the drying is 80~130 DEG C.
Preferably, the polyester webs yarn layer and polyurethane foam layer surface independently also include metal level；
The material of the metal level is the one or more in nickel, aluminium and copper.
The invention provides a kind of preparation method of photocatalytic fiber net, and photochemical catalyst and colloidal sol will be included by padding method
Photocatalysis padding liquid be supported on complex fiber material, then solvent therein removed by drying, finally using framework pair
Photocatalysis complex fiber material is reinforced, and obtains photocatalytic fiber net.The present invention utilizes compound fibre using complex fiber material as matrix
The characteristics of material specific surface area is big is tieed up, dispersing uniformity of the photocatalyst granular on complex fiber material surface is improved, so as to carry
High photocatalysis efficiency；And the photocatalysis padding liquid of the present invention includes colloidal sol, and colloidal sol and photocatalyst surface have hydroxyl
(- OH), the two sloughs a hydrone (H in contact process2O), new chemical bond (- O-) is formed, padding liquid is molten after drying
Glue and photochemical catalyst can form self assembled three-dimensional stacked structure on complex fiber material surface, can improve organic dirt in air
The contact area of thing and photochemical catalyst is contaminated, so as to further improve the utilization ratio of photochemical catalyst；And the addition of colloidal sol causes
Separation layer is formed between catalyst and complex fiber material, avoids the phenomenon of catalytic erosion complex fiber material, moreover it is possible to increase
Active force between powerful catalyst and complex fiber material, make catalyst difficult for drop-off；And preparation method provided by the invention
Simply, cost is low, easily carries out industrialized production.Embodiment result shows that the light that preparation method provided by the invention obtains is urged
99% can be reached by changing the clearance of web PARA FORMALDEHYDE PRILLS(91,95), and carry out cyclic test, photocatalysis after being washed to photocatalytic fiber net
Activity without significant change, illustrate the photocatalytic fiber net surface of the invention prepared photochemical catalyst and base material adhesion it is strong, no
It is easy to fall off, and in photocatalytic process corrosion will not be produced to web material itself.
Brief description of the drawings
Fig. 1 is the photocatalytic degradation result of the test of the embodiment of the present invention 1；
Fig. 2 is polyester fiber felt surface observation result in the embodiment of the present invention 7.
Embodiment
The invention provides a kind of preparation method of photocatalytic fiber net, comprise the following steps：
(1) complex fiber material is padded in photocatalysis padding liquid, the complex fiber material after being padded；It is described multiple
Condensating fiber material includes polyester webs yarn layer and polyurethane foam layer；The photocatalysis padding liquid includes photochemical catalyst, colloidal sol and molten
Agent；
(2) complex fiber material after described pad is dried, obtains photocatalysis complex fiber material；
(3) by the photocatalysis complex fiber material frame strengthening, photocatalytic fiber net is obtained.
The present invention pads complex fiber material in photocatalysis padding liquid, the complex fiber material after being padded.
In the present invention, the complex fiber material includes polyester webs yarn layer and polyurethane foam layer, is embodied in the part of the present invention
In example, the complex fiber material preferably includes the polyester webs yarn layer and polyurethane foam layer of spacer stack；More preferably preferably by
One strata ester grenadine layer and strata urethane foamed cotton layer composition；The thickness of the polyester webs yarn layer is preferably 0.2~1mm, more excellent
Elect 0.3~0.8mm as；The thickness of the polyurethane foam layer is preferably 0.8~3mm, more preferably 1~2.5mm；In the present invention
Another part specific embodiment in, the complex fiber material is preferably sandwich structure；The sandwich structure preferably includes core
Layer, upper surface layer and undersurface layer；The sandwich layer is preferably polyurethane foam layer；The upper surface layer and undersurface layer are preferably
Polyester webs yarn layer；The polyurethane foam layer is preferably consistent with such scheme with the thickness of the polyester webs yarn layer of upper and lower surface layer,
It will not be repeated here.
In the present invention, the polyester webs yarn layer and polyurethane foam layer surface preferably independently also include metal level；Institute
The material for stating metal level is preferably the one or more in nickel, aluminium and copper；The thickness of the metal level is preferably 50~5000nm,
More preferably 100~4500nm, most preferably 500~4000nm；Present invention selection includes the complex fiber material of metal level, can
To avoid photocatalyst granular and polyester webs yarn layer or polyurethane foam layer from directly contacting, corrosion of the catalyst to carrier is avoided to show
As.
In the present invention, the aperture of the complex fiber material is preferably 5~200PPI, more preferably 20~150PPI；
The present invention does not have particular/special requirement to the area of the complex fiber material, in a particular embodiment of the present invention, preferably according to reality
Border demand determines the area of complex fiber material.The present invention is not particularly limited to the source of the complex fiber material, is used
Complex fiber material that those skilled in the art know source, meeting above-mentioned requirements, such as commercially available complex fiber material.
In the present invention, the photocatalysis padding liquid includes photochemical catalyst, colloidal sol and solvent.In the present invention, the light
Catalyst is preferably titanium dioxide, titanium dioxide-graphene complex, the compound of titanium dioxide-class graphite phase carbon nitride, two
Titanium oxide-class graphite phase carbon nitride-metal phthalocyanine compound, titanium dioxide-tungstic acid compound, class graphite phase carbon nitride-
Tungstic acid compound, class graphite phase carbon nitride-metal phthalocyanine compound, metal phthalocyanine-tungstic acid compound, class graphite-phase
Compound, the titanium dioxide-metal of carbonitride-metal phthalocyanine compound, titanium dioxide-class graphite phase carbon nitride-tungstic acid
One or more of mixtures in phthalocyanine-tungstic acid compound.
In the present invention, when the photochemical catalyst includes titanium dioxide；The titanium dioxide is preferably anatase crystal two
Titanium oxide or mixed crystal type titanium dioxide；The particle diameter of the titanium dioxide is preferably 5~800nm, more preferably 15~600nm,
Most preferably 50~500nm；The present invention does not have particular/special requirement to the source of the titanium dioxide, ripe using those skilled in the art
Know the titanium dioxide in source, such as commercially available titanium dioxide.
In the present invention, when the photochemical catalyst includes titanium dioxide-graphene complex, the titanium dioxide-graphite
The mass ratio of titanium dioxide and graphene is preferably 100 in alkene compound：0.1~2, more preferably 100：0.2~1；The present invention
There is no particular/special requirement to the source of the titanium dioxide-graphene complex, using commodity commercially or use this
It is prepared by method known to art personnel.In a particular embodiment of the present invention, the titanium dioxide-graphene
Compound is preferably formed by directly mixing by titanium dioxide and graphene；The present invention does not have special want to the species of the graphene
Ask, preferably the mixture of single-layer graphene, multi-layer graphene or single-layer graphene and multi-layer graphene；The Multi-layer graphite
The thickness of alkene is preferably 0.3~50nm, more preferably 5~40nm.
In the present invention, when the photochemical catalyst includes titanium dioxide-class graphite phase carbon nitride compound；The titanium dioxide
Titanium dioxide and the mass ratio of class graphite phase carbon nitride are preferably 100 in titanium-class graphite phase carbon nitride compound：2~100, more
Preferably 100：5~25；The present invention does not have particular/special requirement to the source of titanium dioxide-class graphite phase carbon nitride compound, uses
Commercially available titanium dioxide-class graphite phase carbon nitride compound commodity are prepared using method well known to those skilled in the art
；In a particular embodiment of the present invention, titanium dioxide and class graphite phase carbon nitride are directly preferably mixed to get titanium dioxide
Titanium-class graphite phase carbon nitride compound.
The present invention is to the class graphite phase carbon nitride (g-C3N4) species there is no particular/special requirement, preferably individual layer class graphite
Phase carbon nitride and/or multilayer class graphite phase carbon nitride；The thickness of the class graphite phase carbon nitride is preferably 0.3~50nm, more excellent
Elect 5~40nm as；The present invention is not particularly limited to the source of the class graphite phase carbon nitride, uses commercially available class graphite-phase nitrogen
Change carbon commodity or prepared using method well known to those skilled in the art.
In a particular embodiment of the present invention, the class graphite phase carbon nitride (g-C3N4) preparation method preferably include with
Lower step：Urea is heat-treated, obtains class graphite phase carbon nitride.In the present invention, the temperature of the heat treatment is excellent
Elect 300~650 DEG C, more preferably 350~600 DEG C, most preferably 500~550 DEG C as；The time of the heat treatment is preferably 3
~8h, more preferably 4~7h, most preferably 5~6h.The present invention preferably is selected from room temperature to heat treatment temperature, described to be warming up to
The heating rate of the heat treatment temperature is preferably 1~6 DEG C/min, more preferably 2~4 DEG C/min.The present invention is preferably in air
It is heat-treated under atmosphere, normal pressure；The present invention to heat treatment used by equipment there is no special restriction, using art technology
It is used for the equipment being heat-treated known to personnel, it is specific such as tube furnace or batch-type furnace.
In the present invention, when the photochemical catalyst includes titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound；
Titanium dioxide, class graphite phase carbon nitride and metal phthalocyanine in the titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound
Mass ratio be preferably 45~74：25~50：0.5~6, more preferably 55~65:30~40:1~4；The present invention is to described two
The source of titanium oxide-class graphite phase carbon nitride-metal phthalocyanine compound does not have particular/special requirement, uses commercially available titanium dioxide-class
Graphite phase carbon nitride-metal phthalocyanine compound is prepared using method well known to those skilled in the art.In this hair
In bright specific embodiment, prepared by the method preferably in the patent of Application No. 201610699773.2.
In the present invention, the raw material class for being used to prepare titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound
The species and source of graphite phase carbon nitride and titanium dioxide are consistent with such scheme, will not be repeated here.
In the present invention, the raw material gold for being used to prepare titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound
Category phthalocyanine has structure shown in Formulas I：
In Formulas I, M is transition metal ions, and the present invention is not particularly limited for the species of the transition metal ions, is adopted
With it is well known to those skilled in the art can with phthalocyanine formed complex transition metal ions, the present invention specific reality
Apply in example, the transition metal ions preferably includes zinc ion, iron ion, copper ion or cobalt ions；The R is-H ,-NH2、-
Cl、-F、-COOH、-NHCOCH3、-NHSO3H or-SO3H, R substitution site can be any in 4 substitution sites on phenyl ring
One.
The present invention does not have particular/special requirement to the source of the metal phthalocyanine, using metal phthalocyanine commercial goods or uses ability
It is prepared by method known to field technique personnel；In a particular embodiment of the present invention, preferably using phthalic nitrile method or
Phthalic anhydride urea method carries out the preparation of metal phthalocyanine, particular reference (organic dirt such as Lv Wangyang catalysis fiber degradation dyestuffs
Contaminate thing research Institutes Of Technology Of Zhejiang, 2010) in method prepare.
In the present invention, in the compound photochemical catalyst including metal phthalocyanine, metal phthalocyanine can be supported on other
Composition surface (titanium dioxide, class graphite phase carbon nitride etc.), the compositions such as titanium dioxide, class graphite phase carbon nitride are sensitized, are widened
The visible ray respective range of photochemical catalyst, improve the efficiency of light energy utilization.
In the present invention, when the photochemical catalyst includes titanium dioxide-tungstic acid compound；The titanium dioxide-three
The mass ratio of titanium dioxide and tungstic acid is preferably 100 in tungsten oxide compound：2~1000, more preferably 100：5~300；
The present invention does not have particular/special requirement to the source of titanium dioxide-tungstic acid compound, uses commercially available titanium dioxide-tungstic acid
Compound commodity are prepared using method well known to those skilled in the art.In a particular embodiment of the present invention,
It is preferred that titanium dioxide, tungstic acid are directly mixed to get titanium dioxide-tungstic acid compound；The species of the titanium dioxide
And source is consistent with such scheme, will not be repeated here；The particle diameter of the tungstic acid is preferably 5~500nm, and more preferably 10
~400nm, most preferably 50~300nm.
In the present invention, when the photochemical catalyst includes class graphite phase carbon nitride-tungstic acid compound；The class graphite
The mass ratio of class graphite phase carbon nitride and tungstic acid is preferably 100 in phase carbon nitride-tungstic acid compound：10~1000,
More preferably 100：20~500；The present invention does not have particular/special requirement to the source of class graphite phase carbon nitride-tungstic acid compound,
Carried out using commercially available class graphite phase carbon nitride-tungstic acid compound commodity or using method well known to those skilled in the art
Prepare；In a particular embodiment of the present invention, class graphite phase carbon nitride and tungstic acid are directly preferably mixed to get class
Graphite phase carbon nitride-tungstic acid compound；The class graphite phase carbon nitride and the species of tungstic acid and source and above-mentioned side
Case is consistent, will not be repeated here；
In the present invention, when the catalyst includes class graphite phase carbon nitride-metal phthalocyanine compound, the class graphite-phase
The mass ratio of class graphite phase carbon nitride and metal phthalocyanine is preferably 100 in carbonitride-metal phthalocyanine compound：0.05~10, more
Preferably 100：0.1~5；The present invention does not have particular/special requirement to the source of class graphite phase carbon nitride-metal phthalocyanine compound, uses
Commercially available class graphite phase carbon nitride-metal phthalocyanine commodity are prepared using method well known to those skilled in the art；
In a particular embodiment of the present invention, preferably according to bibliography (Lu Wangyang, Xu Tiefeng, Wang Yu, et
al.Synergistic photocatalytic properties and mechanism of g-C3N4coupled with
zinc phthalocyanine catalyst under visible light irradiation.Catal.B-
Environ.180 (2016) 20-28) disclosed in method prepare.
In the present invention, when the photochemical catalyst includes metal phthalocyanine-tungstic acid compound；The metal phthalocyanine-three
The mass ratio of metal phthalocyanine and tungstic acid is preferably 0.05~10 in tungsten oxide compound：100, more preferably 0.1~5：
100；The present invention does not have particular/special requirement to the source of metal phthalocyanine-tungstic acid compound, uses the commercially available oxygen of metal phthalocyanine-three
Change tungsten compound commodity or prepared using method well known to those skilled in the art；It is described to be used to prepare metal phthalein
The feed metal phthalocyanine and the species of tungstic acid of cyanines-tungstic acid compound and source are consistent with such scheme, herein not
Repeat again.
In the present invention, when the photochemical catalyst includes titanium dioxide-class graphite phase carbon nitride-tungstic acid compound；
Titanium dioxide, class graphite phase carbon nitride and tungstic acid in the titanium dioxide-class graphite phase carbon nitride-tungstic acid compound
Mass ratio be preferably 15~90：2~50：5~80, more preferably 30~90：5~40：10~70；The present invention is to the dioxy
The source for changing titanium-class graphite phase carbon nitride-tungstic acid compound does not have particular/special requirement, uses commercially available titanium dioxide-class stone
Black phase carbon nitride-tungstic acid compound commodity are prepared using method well known to those skilled in the art；At this
In the specific embodiment of invention, titanium dioxide, class graphite phase carbon nitride and tungstic acid are directly preferably mixed with titanium dioxide
Titanium-class graphite phase carbon nitride-tungstic acid compound；It is described to be used to prepare titanium dioxide-class graphite phase carbon nitride-tungstic acid
The raw material titanium dioxide of compound, class graphite phase carbon nitride, the species of tungstic acid and source are consistent with such scheme, herein not
Repeat again.
In the present invention, when the photochemical catalyst includes titanium dioxide-metal phthalocyanine-tungstic acid compound；Described two
In titanium oxide-metal phthalocyanine-tungstic acid compound the mass ratio of titanium dioxide, metal phthalocyanine and tungstic acid be preferably 10~
90：0.1~10：5~90, more preferably 25~90：0.2~5：10~80；The present invention to the titanium dioxide-metal phthalocyanine-
The source of tungstic acid compound does not have particular/special requirement, uses commercially available titanium dioxide-metal phthalocyanine-tungstic acid compound business
Product are prepared using method well known to those skilled in the art；In a particular embodiment of the present invention, the dioxy
Change the preparation method and above-mentioned titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine of titanium-metal phthalocyanine-tungstic acid compound
The preparation method of compound is similar, and class graphite phase carbon nitride therein is replaced with into tungstic acid；It is described to be used to prepare two
Raw material titanium dioxide, metal phthalocyanine, the species of tungstic acid and the source of titanium oxide-metal phthalocyanine-tungstic acid compound with
Such scheme is consistent, will not be repeated here.
In the present invention, the photochemical catalyst is two or more mixture in above-mentioned several photochemical catalysts；When
When the photochemical catalyst is mixture, the present invention does not have to the photochemical catalyst species in the photocatalyst mixture and mass ratio
Particular/special requirement, mixed using the photochemical catalyst of any kind with any mass ratio.
In the present invention, in the photocatalysis padding liquid quality of photochemical catalyst and the volume ratio of solvent be preferably 1~
30g：1L, more preferably 3~20g:1L, more preferably 5~15g:1L.
In the present invention, the colloidal sol is Ludox and/or Alumina gel；In the photocatalysis padding liquid quality of colloidal sol and
The volume ratio of solvent is preferably 0.1~15g：1L, more preferably 0.3~10g:1L, most preferably 0.5~5g:1L；The colloidal sol
PH value be preferably 3~11, more preferably 6~10, most preferably 7~9；The concentration of the colloidal sol is preferably 2~50wt%, more
Preferably 10~30wt%, most preferably 15~25wt%；The particle diameter of the colloidal sol is preferably 1~100nm, more preferably 5~
50nm, most preferably 8~20nm.In the present invention, when the colloidal sol is the mixture of Ludox and Alumina gel, the present invention is to mixed
The mass ratio of Ludox and Alumina gel does not have particular/special requirement in compound, is mixed using arbitrary mass ratio.The present invention
There is no particular/special requirement to the source of the colloidal sol, using the colloidal sol in source known to those skilled in the art, such as commercially available is molten
Glue.
In the present invention, graphene is preferably also contained in the colloidal sol；The quality of graphene is preferably light in the colloidal sol
The 0.1~2% of catalyst quality, more preferably 0.5~1.5%；In a particular embodiment of the present invention, it is preferably that graphene is straight
Connect and mixed with colloidal sol, graphene is uniformly dispersed in colloidal sol；The graphene-doped electronics of being advantageous in colloidal sol
Transmission, the catalytic activity of photochemical catalyst can be improved.
Include colloidal sol in photocatalysis padding liquid provided by the invention, the colloidal sol and photochemical catalyst can be with contact process
Dehydration forms new chemical bond, so as to form self assembled three-dimensional stacked structure on complex fiber material surface, can improve organic
The contact area of pollutant and photochemical catalyst, so as to improve the utilization ratio of photochemical catalyst；And the addition of colloidal sol to be catalyzed
Separation layer is formed between agent and complex fiber material, avoids the phenomenon of catalytic erosion complex fiber material, moreover it is possible to which enhancing is urged
Active force between agent and complex fiber material, make catalyst granules difficult for drop-off.
In the present invention, the solvent is preferably the mixture of water or water and ethanol；When the solvent includes water and ethanol
When, the mixture reclaimed water of the water and ethanol and the volume ratio of ethanol are preferably 19:1~1:19, more preferably 10:1~1:19,
Most preferably 5:1~1:19.
In the present invention, the preparation method of the photocatalysis padding liquid preferably includes following steps：
Photochemical catalyst and solvent are subjected to the first ultrasonic mixing, obtain photocatalyst dispersion liquid；
Photocatalyst dispersion liquid and colloidal sol are subjected to the second ultrasonic mixing, obtain photocatalysis padding liquid.
Photochemical catalyst and solvent are carried out the first ultrasonic mixing by the present invention, obtain photocatalyst dispersion liquid.In the present invention,
The power of first ultrasonic mixing is preferably 200~500W, more preferably 300~400W；First ultrasonic mixing when
Between be preferably 0.25~2h, most preferably more preferably 0.4~1.5h, 0.5~1h.
After obtaining photocatalyst dispersion liquid, photocatalyst dispersion liquid and colloidal sol are carried out the second ultrasonic mixing by the present invention, are obtained
To photocatalysis padding liquid.In the present invention, the power of second ultrasonic mixing is preferably 200~500W, more preferably 300~
400W；The time of second ultrasonic mixing is preferably 0.25~2h, more preferably 0.4~1.5h, most preferably 0.5~1h.
After obtaining photocatalysis padding liquid, the present invention pads complex fiber material in photocatalysis padding liquid, is padded
Complex fiber material afterwards.In the present invention, dip time when padding is preferably 30~120s, more preferably 50~
100s；The mangle speed padded is preferably 5~60m/min, more preferably 10~50m/min, most preferably 15~40m/
min；The mangle pressure padded is preferably 0.05~0.5MPa, more preferably 0.07~0.4MPa, most preferably 0.1~
0.3MPa；The bath raio bath raio padded is preferably 1:10~200, more preferably 1:15~100；The pick-up that pads is excellent
Elect 30~200%, more preferably 40~100% as；The present invention does not have particular/special requirement to the concrete mode padded, and uses this
Pad method known to art personnel, it is specific as an immersing and rolling, two leachings two are rolled or three leachings three are rolled；The present invention is to institute
State and pad the instrument used and there is no particular/special requirement, use padder well known to those skilled in the art.
In the present invention, the step (1) may be replaced by：By complex fiber material in photocatalyst dispersion liquid and molten
Padded in sol solution, the complex fiber material after being padded.
In the present invention, the photocatalyst dispersion liquid includes photochemical catalyst and solvent；Light in the photocatalysis dispersion liquid
The quality of catalyst and the volume ratio of solvent are preferably 1~30g：1L, more preferably 3~20g:1L, most preferably 5~15g:
1L；The photochemical catalyst is consistent with such scheme with the species of solvent, will not be repeated here；The system of the photocatalyst dispersion liquid
Preparation Method is consistent with such scheme, will not be repeated here.
In the present invention, the sol solution includes colloidal sol and solvent；The quality and solvent of colloidal sol in the sol solution
Volume ratio be 0.1~15g：1L, more preferably 0.3~10g:1L, most preferably 0.5~5g:1L；The colloidal sol and solvent
Species is preferably consistent with such scheme, will not be repeated here.
In the present invention, the preparation method of the sol solution preferably includes following steps：After colloidal sol and solvent are mixed
Ultrasound, obtain sol solution.In the present invention, the ultrasonic power is preferably 200~500W, more preferably 300~400W；
The ultrasonic time is preferably 0.25~2h, more preferably 0.4~1.5h, most preferably 0.5~1h.
Complex fiber material is padded in photocatalyst dispersion liquid and sol solution respectively, the compound fibre after being padded
Tie up material.The present invention to it is described padded in photocatalyst dispersion liquid and the order padded in sol solution do not have it is special will
Ask, in a particular embodiment of the present invention, first can be padded in photocatalyst dispersion liquid, then padded in sol solution,
It can first pad in sol solution, then be padded in photocatalyst dispersion liquid；The actual conditions padded preferably with it is above-mentioned
Scheme is consistent, will not be repeated here.
In the present invention, when the complex fiber material is sandwich structure, because complex fiber material has netted knot
Structure, during padding, padding liquid can be penetrated into inside complex fiber material, thus the sandwich layer (polyurethane foam of sandwich structure
Cotton layer) on also have the attachment of catalyst granules and sol particle.
After complex fiber material after being padded, the present invention dries the complex fiber material after described pad, and obtains
Photocatalysis complex fiber material.In the present invention, the drying is preferably to dry；The temperature of the drying is preferably 80~130
DEG C, more preferably 100~120 DEG C；The present invention does not have particular/special requirement to the dry time, can remove solvent complete.
The present invention is removed the solvent in photocatalysis padding liquid by drying, and photochemical catalyst and colloidal sol are with catalyst granules after solvent removes
Complex fiber material surface is supported on the form of sol particle, the two can form three-dimensional stacking structure.
After obtaining photocatalysis complex fiber material, the present invention is added the photocatalysis complex fiber material with frame
Gu obtain photocatalytic fiber net.The present invention does not have particular/special requirement to the specific method of the reinforcing, uses those skilled in the art
Well known reinforcement means.
Photochemical catalyst and colloidal sol are supported on complex fiber material surface by the present invention by padding and drying, in the present invention
In, dry film load capacity of the photochemical catalyst on complex fiber material surface is preferably 1~20g/m2, more preferably 2~17g/
m2, most preferably 5~15g/m2。
Photocatalytic fiber net prepared by preparation method of the present invention has photo-catalysis function, can be to organic in air
Pollutant carries out photochemical catalytic oxidation, and it is small-molecule substance to make organic pollutant degradation；In a particular embodiment of the present invention, can answer
For in purification of air, such as air purifier device；In the present invention, the purification of air is mainly to the organic dirt of volatility
The catalysis oxidation of thing is contaminated, the volatile organic contaminant preferably includes formaldehyde, mercaptoethanol, toluene, hydro carbons or benzene homologues etc.
Degradation of indoor air VOCs or compound.
The photocatalytic fiber net that preparation method of the present invention obtains does not have particular/special requirement to photocatalysis response light source, uses
Photocatalysis response light source well known to those skilled in the art, it is specific as ultraviolet light, sunshine, fluorescent lamp, fluorescent lamp,
LED, xenon lamp and deuterium lamp etc..
The preparation method and application of photocatalytic fiber net provided by the invention are carried out specifically with reference to embodiment
It is bright, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
(1) the anatase crystal TiO by 1g particle diameters for 300nm2It is placed in conical flask, adds 100ml mixed solvents, 400W
Lower ultrasonic 0.5h, obtains photocatalyst dispersion liquid；The in the mixed solvent deionized water and the volume ratio of ethanol are 5:3.
(2) take 0.5ml Ludox to be placed in conical flask, add 99.5ml mixed solvents, ultrasonic 0.5h under 400W, obtain molten
Sol solution；The in the mixed solvent deionized water and the volume ratio of ethanol are 5:3；The thickness of silica gel is 20 ± 1wt%, pH
For 7.5, aerosol particle size size is 10~20nm.
(3) taking the complex fiber materials of 330*420mm sizes, (upper and lower surface layer is polyester webs yarn layer, and thickness is
0.5mm, laminboard layer are polyurethane foam layer, and thickness 1mm, polyester webs yarn layer and polyurethane foam layer surface are coated with 100nm
Nickel metal layer), it is first dipped in the sol solution in step (2), impregnate 30s after, by complex fiber material in padder
On pad, be dipped in again after the completion of padding in the catalyst dispersion in step (1), impregnate 30s after, by complex fiber material
Padded on padder.Padder machine speed is set to 15m/min during padding, and pressure is set to 0.1MPa.Repeat above-mentioned dipping, leaching
Roll step once, i.e., two leachings two are rolled.After the completion of padding in 80 DEG C of baking ovens drying and processing 30min, obtained photocatalyst
Measure as 1g/m2Photocatalysis complex fiber material.
(4) optic catalytic composite material obtained in step (3) is reinforced with polyester frame, it is net obtains photocatalytic air
Change web.
Photocatalytic degradation is tested：Under uviol lamp, the photocatalytic fiber net that the present embodiment is prepared is placed in seal box
PARA FORMALDEHYDE PRILLS(91,95) carries out photocatalytic degradation experiment in body, has methylene oxide detecting instrument PARA FORMALDEHYDE PRILLS(91,95) concentration to be monitored in real time in casing, per 15min
Read a data and record.Wherein, the initial concentration of formaldehyde is 0.8mg/m3, reaction temperature is 25 DEG C, tests seal box
Body size is 1m3, uviol lamp 30W, reaction time 1h, acquired results are as shown in Figure 1.
According to Fig. 1 as can be seen that in 30min, the clearance of photocatalytic fiber net PARA FORMALDEHYDE PRILLS(91,95) is up to more than 70%；In 1h
When, the clearance of PARA FORMALDEHYDE PRILLS(91,95) is up to more than 90%.Illustrate photocatalytic fiber net that preparation method provided by the invention obtains to light
Utilization rate is higher, effectively can carry out catalysis oxidation to the volatile organic matter in air, has good answer in purification of air
Use prospect.
Photocatalytic degradation cyclic test：The photocatalytic fiber net for completing a photocatalytic degradation experiment is washed with deionized water
Wash three times, dried at 60 DEG C, then carry out photocatalytic degradation experiment according to above-mentioned steps, then photocatalytic fiber net is entered again
Water-filling washes, dries and photocatalytic degradation experiment, repeats 6 times.Test result indicates that after 6 cyclic tests, photocatalysis is fine
The clearance of dimension net PARA FORMALDEHYDE PRILLS(91,95) can still reach more than 90%, illustrate that catalytic activity is substantially unchanged, illustrate that the light of the present invention is urged
The adhesion of catalyst particles and web is strong, difficult for drop-off.
Embodiment 2
(1) the anatase crystal TiO by 1g particle diameters for 25nm2It is placed in conical flask, adds 100ml mixed solvents, 400W
Lower ultrasonic 0.5h, obtains TiO2Dispersion liquid；The in the mixed solvent deionized water and the volume ratio of ethanol are 3:2；In the TiO2
0.5ml Ludox is added in dispersion liquid, ultrasonic 0.5h under 400W, obtains photocatalysis padding liquid；The Ludox pH is 7.5,
Concentration is 20 ± 1wt%, and aerosol particle size size is 10~20nm.
(2) take 330*420mm sizes complex fiber material (upper and lower surface layer is polyester webs yarn layer, and thickness is 1mm,
Laminboard layer is polyurethane foam layer, thickness 1.5mm), it is dipped in the photocatalysis padding liquid in step (1), impregnates 50s
Afterwards, composite is padded on padder, i.e. an immersing and rolling.Padder machine speed is set to 20m/min during padding, and pressure is set
For 0.15MPa.Drying and processing 30min, obtained catalyst loadings are 0.5g/m in 80 DEG C of baking ovens after the completion of padding2Light
It is catalyzed complex fiber material.
(3) optic catalytic composite material obtained in step (2) is reinforced with polyester frame, it is net obtains photocatalytic air
Change web.
It is real that photocatalytic degradation is carried out to gained photocatalytic fiber net according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the initial concentration of formaldehyde is 0.8mg/m3, reaction temperature is 25 DEG C, and test seal case size is 1m3, uviol lamp
For 30W, reaction time 1h, in 30min, the clearance of photocatalytic fiber net PARA FORMALDEHYDE PRILLS(91,95) is up to more than 80%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalytic fiber net are carried out according to the method in embodiment 1
The clearance of PARA FORMALDEHYDE PRILLS(91,95) still can reach more than 80%.
Embodiment 3
(1) 15g urea is placed in the semiclosed alumina crucible with lid, with 2 DEG C/min liter in tube furnace
Warm speed rises to 550 DEG C and maintains 5h, obtains g-C3N4。
(2) the anatase crystal TiO by 0.5g particle diameters for 50nm2With the g-C of 0.5g in step (1)3N4It is placed in conical flask
In, 100ml mixed solvents are added, ultrasonic 0.5h under 400W, obtain photocatalyst dispersion liquid.The in the mixed solvent deionized water
Volume ratio with ethanol is 5:1；Add 1.25ml Ludox in the photocatalyst dispersion liquid, ultrasonic 0.5h under 400W,
Obtain photocatalysis padding liquid；The Ludox pH is 10, and concentration is 20 ± 1wt%, and aerosol particle size size is 10~20nm.
(3) take 330*420mm sizes complex fiber material (upper and lower surface layer is polyester webs yarn layer, and thickness is 1mm,
Laminboard layer is polyurethane foam layer, thickness 1.5mm, and polyester webs yarn layer and polyurethane foam layer surface are coated with 100nm copper
Metal level), it is dipped in the photocatalysis padding liquid in step (2), after impregnating 100s, composite is soaked on padder
Roll, i.e. an immersing and rolling.Padder machine speed is set to 20m/min during padding, and pressure is set to 0.2MPa.100 after the completion of padding
Drying and processing 30min in DEG C baking oven, it is 0.45g/m to obtain catalyst loadings2Photocatalysis complex fiber material.
(4) optic catalytic composite material obtained in step (3) is reinforced with polyester frame, it is net obtains photocatalytic air
Change web.
It is real that photocatalytic degradation is carried out to gained photocatalytic fiber net according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the initial concentration of formaldehyde is 0.8mg/m3, reaction temperature is 25 DEG C, and test seal case size is 1m3, uviol lamp
For 30W, reaction time 1h, in 1h, the clearance of photocatalytic fiber net PARA FORMALDEHYDE PRILLS(91,95) is up to more than 90%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalytic fiber net are carried out according to the method in embodiment 1
The clearance of PARA FORMALDEHYDE PRILLS(91,95) still can reach more than 90%.
Embodiment 4
(1) 15g urea is placed in the semiclosed alumina crucible with lid, with 1 DEG C/min liter in tube furnace
Warm speed rises to 530 DEG C and maintains 6h, obtains g-C3N4。
By g-C3N41.0g and 100mLN, dinethylformamide mix, and ultrasonic 5h under 500W, obtain g-C3N4Dispersion liquid；
By the Detitanium-ore-type TiO that particle diameter is 50nm22.0g is mixed with 100mL DMFs, and ultrasonic 8h, is obtained under 200W
TiO2Dispersion liquid；By the g-C3N4Dispersion liquid and TiO2Dispersion liquid mixes, and stirs 2h under 500rpm, obtains mixed dispersion liquid；
By unsubstituted iron-phthalocyanine (FePc) 40mg and 50mLN, dinethylformamide mixes, and ultrasonic 30h under 200W, obtains
Unsubstituted iron-phthalocyanine solution；
Mixed dispersion liquid is added drop-wise in unsubstituted iron-phthalocyanine solution with 50mL/h speed, 8h is reacted at 45 DEG C, will be anti-
The material obtained after should terminating is filtered with G6 sand core funnels, is washed 3 times with DMF, and with 0.2mol/L's
The H of NaOH solution and 0.1mol/L2SO4Wash 2 times respectively, be finally washed to neutrality with ultrapure, 16h is freeze-dried in -60 DEG C,
Obtain titanium dioxide and class graphite phase carbon nitride and iron-phthalocyanine composite photo-catalyst (g-C3N4/FePc/TiO2)。
(2) by the g-C of 1g in step (1)3N4/FePc/TiO2It is placed in conical flask, adds 100ml mixed solvents, 400W
Lower ultrasonic 0.5h, obtains photocatalyst dispersion liquid, and the volume ratio of the in the mixed solvent deionized water and ethanol is 5:3；
2ml Ludox is taken, 100 times is diluted with deionized water, obtains sol solution, the thickness of silica gel is 20 ±
1wt%, pH 7.5, aerosol particle size size are 5~8nm.
(3) take 330*420mm sizes complex fiber material (upper and lower surface layer is polyester webs yarn layer, and thickness is 1mm,
Laminboard layer is polyurethane foam layer, thickness 1.5mm, and polyester webs yarn layer and polyurethane foam layer surface are coated with 100nm aluminium
Metal level), it is first dipped in the sol solution in step (2), after impregnating 50s, composite padded on padder, soaked
It is dipped in again after the completion of rolling in the photocatalyst dispersion liquid in step (2), after impregnating 50s, by composite on padder
Pad, i.e. an immersing and rolling.Padder machine speed is set to 25m/min during padding, and pressure is set to 0.25MPa.After the completion of padding
Drying and processing 30min in 110 DEG C of baking ovens, it is 0.4g/m to obtain photocatalyst amount2Photocatalysis complex fiber material.
(4) optic catalytic composite material obtained in step (3) is reinforced with polyester frame, it is net obtains photocatalytic air
Change web.
It is real that photocatalytic degradation is carried out to gained photocatalytic fiber net according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the initial concentration of formaldehyde is 0.8mg/m3, reaction temperature is 25 DEG C, and test seal case size is 1m3, uviol lamp
For 30W, reaction time 1h, in 45min, the clearance of photocatalytic fiber net PARA FORMALDEHYDE PRILLS(91,95) is up to more than 90%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalytic fiber net are carried out according to the method in embodiment 1
The clearance of PARA FORMALDEHYDE PRILLS(91,95) still can reach more than 90%.
Embodiment 5
(1) 15g urea is placed in the semiclosed alumina crucible with lid, with 1 DEG C/min liter in tube furnace
Warm speed rises to 545 DEG C and maintains 6h, obtains g-C3N4；
(2) by the g-C of 0.7g in 0.5g tungstic acids and step (1)3N4It is placed in conical flask, it is molten adds 100ml mixing
Agent, ultrasonic 0.5h under 400W, obtains photocatalyst dispersion liquid；The in the mixed solvent deionized water and the volume ratio of ethanol are 1:
1；1.5ml Ludox is added in the photocatalyst dispersion liquid, ultrasonic 0.5h under 400W, obtains photocatalysis padding liquid；Institute
It is 7.5 to state Ludox pH, and concentration is 20 ± 1wt%, and aerosol particle size size is 10~20nm.
(3) take 330*420mm sizes complex fiber material (upper and lower surface layer is polyester webs yarn layer, and thickness is 1mm,
Laminboard layer is polyurethane foam layer, thickness 1.5mm, and polyester webs yarn layer and polyurethane foam layer surface are coated with 100nm aluminium
Metal level), it is dipped in the photochemical catalyst padding liquid in step (2), after impregnating 120s, composite is soaked on padder
Roll, and repeat above-mentioned dipping, pad process once, i.e., two leachings two are rolled.Padder machine speed is set to 25m/min during padding, pressure
Power is set to 0.2MPa.After the completion of padding in 100 DEG C of baking ovens drying and processing 30min.It is 1g/m to obtain photocatalyst amount2
Photocatalysis complex fiber material.
(4) optic catalytic composite material obtained in step (3) is reinforced with polyester frame, it is net obtains photocatalytic air
Change web.
It is real that photocatalytic degradation is carried out to gained photocatalytic fiber net according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the initial concentration of formaldehyde is 0.8mg/m3, reaction temperature is 25 DEG C, and test seal case size is 1m3, uviol lamp
For 30W, reaction time 1h, in 30min, the clearance of photocatalytic fiber net PARA FORMALDEHYDE PRILLS(91,95) is up to more than 85%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalytic fiber net are carried out according to the method in embodiment 1
The clearance of PARA FORMALDEHYDE PRILLS(91,95) still can reach more than 85%.
Embodiment 6
(1) 15g urea is placed in the semiclosed alumina crucible with lid, with 1 DEG C/min liter in tube furnace
Warm speed rises to 550 DEG C and maintains 5h, obtains g-C3N4。
(2) by the g-C of 0.7g in 0.3g tungstic acids and step (1)3N4It is placed in conical flask, adds 100ml deionizations
Water, ultrasonic 0.5h under 400W, obtains photocatalyst dispersion liquid；The in the mixed solvent deionized water and the volume ratio of ethanol are 3:
2；
2.5ml Ludox is taken, 100 times is diluted with deionized water, obtains sol solution；The thickness of silica gel be 20 ±
1wt%, pH 7.5, aerosol particle size size are 5~8nm.
(3) take 330*420mm sizes complex fiber material (upper and lower surface layer is polyester webs yarn layer, and thickness is 1mm,
Laminboard layer is polyurethane foam layer, thickness 1.5mm, and polyester webs yarn layer and polyurethane foam layer surface are coated with 100nm aluminium
Metal level), first it is dipped in the catalyst dispersion in step (2), after impregnating 60s, composite is soaked on padder
Roll, it is first dipped in the sol solution in step (2) again after the completion of padding, after impregnating 60s, by composite on padder
Pad.Padder machine speed is set to 25m/min during padding, and pressure is set to 0.2MPa.Repeat above-mentioned dipping, pad process two
Secondary, i.e., three leachings three are rolled.After the completion of padding in 150 DEG C of baking ovens drying and processing 13min, it is 1.5g/ to obtain photocatalyst amount
m2Photocatalysis complex fiber material.
(4) optic catalytic composite material obtained in step (3) is reinforced with polyester frame, it is net obtains photocatalytic air
Change web.
It is real that photocatalytic degradation is carried out to gained photocatalytic fiber net according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the initial concentration of formaldehyde is 0.8mg/m3, reaction temperature is 25 DEG C, and test seal case size is 1m3, uviol lamp
For 30W, reaction time 1h, in 30min, the clearance of photocatalytic fiber net PARA FORMALDEHYDE PRILLS(91,95) is up to more than 90%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalytic fiber net are carried out according to the method in embodiment 1
The clearance of PARA FORMALDEHYDE PRILLS(91,95) still can reach more than 90%.
Embodiment 7
In order to be more easily observed whether photocatalytic process web substrates are easily corroded, the present embodiment uses and fibre
Tie up web material matter identical white polyester fibrofelt and carry out photocatalysis experiment, observe phenomenon, comprise the following steps that：
(1) polyester fiber felt is dipped in the sol solution of the step of embodiment 1 (2) preparation, after impregnating 30s, by compound fibre
Dimension material pads on padder, is dipped in again after the completion of padding in the catalyst dispersion in step (1), after impregnating 30s,
Complex fiber material is padded on padder.Padder machine speed is set to 15m/min during padding, and pressure is set to 0.1MPa.
Repeat above-mentioned dipping, pad step once, i.e., two leachings two are rolled.After the completion of padding in 80 DEG C of baking ovens drying and processing 30min, obtain
Experimental group；
(2) padded in the catalyst dispersion for preparing polyester fiber felt in the step of embodiment 1 (1), then dried
It is dry, pad consistent with (1) with drying condition, obtain control group；
Above-mentioned control group is irradiated under 400W uviol lamps with experimental group, irradiation distance 30cm, irradiation time is
8h, polyester fiber felt surface changes after the completion of observation irradiation, and observation result according to Fig. 2 as shown in Fig. 2 can be seen that control group
Polyester fiber felt has turned yellow, and the polyester fiber felt color of experimental group does not change substantially, illustrates the polyester fiber felt of control group
Corrode extremely serious, and experimental group is to polyester fiber felt no corrosion.The result of the test shows preparation side provided by the invention
Photocatalytic fiber net prepared by method does not produce corrosion in photocatalytic process to web material itself.
As seen from the above embodiment, it is only the preferred embodiment of the present invention that the present invention is described above, it is noted that for
For those skilled in the art, under the premise without departing from the principles of the invention, can also make it is some improvement and
Retouching, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of photocatalytic fiber net, comprises the following steps：
(1) complex fiber material is padded in photocatalysis padding liquid, the complex fiber material after being padded；The compound fibre
Dimension material includes polyester webs yarn layer and polyurethane foam layer；The photocatalysis padding liquid includes photochemical catalyst, colloidal sol and solvent；
(2) complex fiber material after described pad is dried, obtains photocatalysis complex fiber material；
(3) by the photocatalysis complex fiber material frame strengthening, photocatalytic fiber net is obtained.
2. preparation method according to claim 1, it is characterised in that the step (1) replaces with：
Complex fiber material is padded in photocatalyst dispersion liquid and sol solution respectively, the composite fibre material after being padded
Material；The photocatalyst dispersion liquid includes photochemical catalyst and solvent；The sol solution includes colloidal sol and solvent.
3. preparation method according to claim 1 or 2, it is characterised in that the photochemical catalyst is titanium dioxide, titanium dioxide
Compound, the titanium dioxide-class graphite phase carbon nitride-metal of titanium-graphene complex, titanium dioxide-class graphite phase carbon nitride
Phthalocyanine compound, titanium dioxide-tungstic acid compound, class graphite phase carbon nitride-tungstic acid compound, the nitridation of class graphite-phase
Carbon-metal phthalocyanine compound, metal phthalocyanine-tungstic acid compound, titanium dioxide-class graphite phase carbon nitride-tungstic acid
One or more of mixtures in compound, titanium dioxide-metal phthalocyanine-tungstic acid compound.
4. preparation method according to claim 1 or 2, it is characterised in that the colloidal sol is Ludox and/or Alumina gel；
The pH value of the colloidal sol is 3~11；
The concentration of the colloidal sol is 2~50wt%；
The particle diameter of the colloidal sol is 1~100nm.
5. preparation method according to claim 1, it is characterised in that also include graphene in the colloidal sol；The colloidal sol
The content of middle graphene is the 0.1~2% of photochemical catalyst quality.
6. preparation method according to claim 1, it is characterised in that the quality of photochemical catalyst in the photocatalysis padding liquid
Volume ratio with solvent is 1~30g：1L；
The quality of colloidal sol and the volume ratio of solvent are 0.1~15g in the photocatalysis padding liquid：1L.
7. preparation method according to claim 2, it is characterised in that the matter of photochemical catalyst in the photocatalyst dispersion liquid
Amount and the volume ratio of solvent are 1~30g：1L；
The quality of colloidal sol and the volume ratio of solvent are 0.1~15g in the sol solution：1L.
8. preparation method according to claim 1 or 2, it is characterised in that the mangle speed padded stands alone as 5~
60m/min；The mangle pressure padded stands alone as 0.05~0.5MPa.
9. preparation method according to claim 1 or 2, it is characterised in that the temperature of the drying is 80~130 DEG C.
10. preparation method according to claim 1, it is characterised in that polyester webs yarn layer and polyurethane foam the layer table
Face independently also includes metal level；
The material of the metal level is the one or more in nickel, aluminium and copper.
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| CN107986384A (en) * | 2018-01-10 | 2018-05-04 | 河海大学 | A kind of roller shutter type farmland water-break pesticide clarifier based on photocatalytic degradation |
| CN111790421A (en) * | 2020-06-18 | 2020-10-20 | 安徽工程大学 | Graphite-phase carbon nitride modified fabric visible-light-driven photocatalyst and one-step preparation method and application thereof |
| CN115999605A (en) * | 2022-12-19 | 2023-04-25 | 达斯玛环境科技（北京）有限公司 | Graphene oxide modified photocatalyst mesh cloth and preparation method and application thereof |
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