CN107376885A - A kind of photocatalysis artificial flowers and its preparation method and application - Google Patents
A kind of photocatalysis artificial flowers and its preparation method and application Download PDFInfo
- Publication number
- CN107376885A CN107376885A CN201710728050.5A CN201710728050A CN107376885A CN 107376885 A CN107376885 A CN 107376885A CN 201710728050 A CN201710728050 A CN 201710728050A CN 107376885 A CN107376885 A CN 107376885A
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- CN
- China
- Prior art keywords
- artificial flowers
- photocatalysis
- colloidal sol
- photochemical catalyst
- titanium dioxide
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 102
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 96
- 238000002360 preparation method Methods 0.000 title claims description 19
- 239000003054 catalyst Substances 0.000 claims abstract description 82
- 239000011248 coating agent Substances 0.000 claims abstract description 71
- 238000000576 coating method Methods 0.000 claims abstract description 71
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 109
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 71
- 229910002804 graphite Inorganic materials 0.000 claims description 62
- 239000010439 graphite Substances 0.000 claims description 62
- 239000006185 dispersion Substances 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 52
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 46
- 239000010936 titanium Substances 0.000 claims description 46
- 229910052719 titanium Inorganic materials 0.000 claims description 46
- 229910052751 metal Inorganic materials 0.000 claims description 45
- 239000002184 metal Substances 0.000 claims description 45
- 239000011941 photocatalyst Substances 0.000 claims description 45
- -1 phthalocyanine compound Chemical class 0.000 claims description 38
- 229910052799 carbon Inorganic materials 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 34
- 239000002904 solvent Substances 0.000 claims description 34
- 239000004408 titanium dioxide Substances 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 25
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 23
- 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 20
- 239000000203 mixture Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
- 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
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 239000008279 sol Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 44
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 22
- 238000001035 drying Methods 0.000 description 21
- 238000012360 testing method Methods 0.000 description 21
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 17
- 229960000907 methylthioninium chloride Drugs 0.000 description 17
- 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
- 239000012046 mixed solvent Substances 0.000 description 14
- 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
- 238000002156 mixing Methods 0.000 description 12
- 229920000728 polyester Polymers 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 11
- 239000000835 fiber Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 241000894007 species Species 0.000 description 11
- 241000220317 Rosa Species 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 10
- 229910021641 deionized water Inorganic materials 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- 239000000443 aerosol Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000006555 catalytic reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000010410 layer Substances 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
- 238000010998 test method Methods 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
- 239000000499 gel Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 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
- 230000015556 catabolic process Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 2
- 241000196324 Embryophyta 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
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004088 simulation 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
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 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
- 240000004343 Indigofera suffruticosa 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
- 238000002835 absorbance Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001491 aromatic compounds 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
- 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
- 239000002131 composite material Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue 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
- 238000011068 loading method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 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
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 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
- 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
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 150000003658 tungsten compounds Chemical class 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
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- 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
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
-
- 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
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/27—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a liquid or molten state
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Wood Science & Technology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention provides a kind of photocatalysis artificial flowers, belong to photocatalysis field.Photocatalysis artificial flowers provided by the invention are prepared by light catalyzed coating coated in artificial flowers surface.The present invention in light catalyzed coating by adding colloidal sol, colloidal sol and photochemical catalyst is set to be dehydrated to form new chemical bond, after coating is sprayed at into artificial flowers surface, colloidal sol and photochemical catalyst can form self assembled three-dimensional stacked structure on artificial flowers surface, the contact area of organic pollution and photochemical catalyst can be improved, so as to improve the utilization ratio of photochemical catalyst；And the addition of colloidal sol to form separation layer between catalyst and artificial flowers, the phenomenon of catalytic erosion artificial flowers is avoided, moreover it is possible to enhance the active force between catalyst and artificial flowers, effectively alleviate the problem that comes off of catalyst.
Description
Technical field
The present invention relates to light-catalysed technical field, more particularly to a kind of photocatalysis artificial flowers and preparation method thereof and should
With.
Background technology
Photocatalysis is a kind of green, environmentally friendly method for removing removal organic polluter, available in air and water
The degraded of organic pollution, there is good chemical stability, heat endurance, and catalytic process is non-toxic, it is environmentally friendly, into
This is low, so having been used for water environment treatment and air purification field in recent years.
Emulation plant has beautification function, so being widely used in public place and family again due to its manageability.
Especially artificial flowers, species is various, and fidelity is high, so being commonly used by people for decorating room and decorating water environment, such as parlor, business
Field, landscape water etc..But as the ornament of interior, its surface easily deposits dust, in natural environment, during by one section
Between easily change colour, deform, influence the aesthetic property of its decoration.
Emulation plant with catalysis has been developed that, but is not used widely, and is primarily due to artificial flowers
Mostly high polymer material, the photochemical catalyst of surface attachment also can aoxidize artificial flowers in itself while organic pollution is aoxidized, and cause
Matrix material is damaged, more easy to change, deformation, and photocatalyst granular easily comes off, and causes photocatalysis effect bad.
The content of the invention
In view of this, present invention aims at provide a kind of photocatalysis artificial flowers and its preparation method and application.The present invention
The photocatalysis artificial flowers photocatalysis effect of offer is good, catalyst granules is difficult for drop-off, and artificial flowers are in itself in photocatalytic process
It is not damaged.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
The invention provides a kind of photocatalysis artificial flowers, are prepared by light catalyzed coating coated in artificial flowers surface；Institute
Stating light catalyzed coating includes photochemical catalyst, colloidal sol and solvent or photocatalyst dispersion liquid and sol solution including packing；
The photochemical catalyst is titanium dioxide, titanium dioxide-graphene complex, titanium dioxide-class graphite phase carbon nitride
Compound, titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound, titanium dioxide-tungstic acid compound, class stone
Black phase carbon nitride-tungstic acid compound, class graphite phase carbon nitride-metal phthalocyanine compound, metal phthalocyanine-tungstic acid are compound
Compound, the titanium dioxide-metal phthalocyanine-tungstic acid compound of thing, titanium dioxide-class graphite phase carbon nitride-tungstic acid
In one or more of mixtures；
The colloidal sol is Ludox and/or Alumina gel.
Preferably, 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 mass content of graphene is photochemical catalyst matter in the colloidal sol
The 0.1~2% of amount.
Preferably, when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent；Photocatalysis in the light catalyzed coating
The quality of agent and the volume ratio of solvent are 1~30g：1L；The quality of colloidal sol and the volume ratio of solvent are in the light catalyzed coating
0.1~15g：1L；
When the light catalyzed coating includes the photocatalyst dispersion liquid and sol solution of packing；The photocatalyst dispersion liquid
The quality of middle photochemical catalyst and the volume ratio of solvent are 1~30g：1L；The body of the quality of colloidal sol and solvent in the sol solution
Product ratio is 0.1~15g：1L.
Preferably, dry film load capacity of the photochemical catalyst on artificial flowers surface is 0.1~12g/m2。
Preferably, the material of the artificial flowers is polyethylene, polyester, polypropylene, polyvinyl chloride, polyamide, ethyl vinyl acetate
One or more of mixtures in ethylene copolymer, polyacrylonitrile, polyurethanes and cellulose.
The invention provides the preparation method of photocatalysis artificial flowers described in such scheme, comprise the following steps：
(1) when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent, light catalyzed coating is sprayed at artificial flowers
Surface, obtain the artificial flowers coated with light catalyzed coating wet film；The light catalyzed coating includes photochemical catalyst, colloidal sol and solvent；
Or, when the photochemical catalyst includes photocatalysis dispersion liquid and sol solution, by the photocatalysis dispersion liquid and molten
Sol solution is sprayed at artificial flowers surface respectively, obtains the artificial flowers coated with light catalyzed coating wet film；
(2) artificial flowers coated with light catalyzed coating wet film are dried, obtains photocatalysis artificial flowers.
Preferably, the flow of the spraying stands alone as 50~300ml/min；Shower nozzle and artificial flowers surface during the spraying
Air line distance stands alone as 5~25cm.
The invention provides light prepared by preparation method described in the photocatalysis artificial flowers described in such scheme or such scheme
It is catalyzed application of the artificial flowers in photocatalysis.
The invention provides a kind of photocatalysis artificial flowers, are prepared by light catalyzed coating coated in artificial flowers surface；Institute
Stating light catalyzed coating includes photochemical catalyst, colloidal sol and solvent or photocatalyst dispersion liquid and sol solution including packing.This hair
The photocatalysis artificial flowers of bright offer are prepared by light catalyzed coating coated in artificial flowers surface, and light catalyzed coating includes catalysis
There is hydroxyl (- OH) in agent and colloidal sol, two kinds of material surfaces, the two sloughs a hydrone (H in contact process2O), formed
New chemical bond, after coating is sprayed at into artificial flowers surface, colloidal sol and photochemical catalyst can form self assembly on artificial flowers surface
Three-dimensional stacking structure, the contact area of organic pollution and photochemical catalyst in water or air can be improved, so as to improve photocatalysis
The utilization ratio of agent；And the addition of colloidal sol to form separation layer between photochemical catalyst and artificial flowers, avoids photochemical catalyst
Corrode the phenomenon of artificial flowers, moreover it is possible to strengthen the active force between photochemical catalyst and artificial flowers, effectively alleviate coming off for photochemical catalyst
Problem.Embodiment result shows, photocatalysis artificial flowers provided by the invention can reach 99% to the clearance of methylene blue, and
Cyclic test is carried out after being washed to photocatalysis artificial flowers, and photocatalytic activity illustrates the knot of photochemical catalyst and base material without significant change
It is strong with joint efforts, it is difficult for drop-off；And corrosion will not be produced to artificial flowers material itself in photocatalytic process.
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 photocatalysis artificial flowers, are prepared by light catalyzed coating coated in artificial flowers surface；Institute
Stating light catalyzed coating includes photochemical catalyst, colloidal sol and solvent or photocatalyst dispersion liquid and sol solution including packing；
The photochemical catalyst is titanium dioxide, titanium dioxide-graphene complex, titanium dioxide-class graphite phase carbon nitride
Compound, titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound, titanium dioxide-tungstic acid compound, class stone
Black phase carbon nitride-tungstic acid compound, class graphite phase carbon nitride-metal phthalocyanine compound, metal phthalocyanine-tungstic acid are compound
The compound of thing, class graphite phase carbon nitride-metal phthalocyanine compound, titanium dioxide-class graphite phase carbon nitride-tungstic acid, two
One or more of mixtures in titanium oxide-metal 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
Titanium dioxide and graphene is preferably 100 in alkene compound：0.1~2, more preferably 100：0.2~1；The present invention is to described
The source of titanium dioxide-graphene complex does not have particular/special requirement, using commodity commercially or uses this area skill
It is prepared by method known to art personnel.In a particular embodiment of the present invention, the titanium dioxide-graphene complex
It is preferred that it is formed by directly mixing by titanium dioxide and graphene；The present invention does not have particular/special requirement to the species of the graphene, preferably
For single-layer graphene, multi-layer graphene or single-layer graphene and the mixture of multi-layer graphene；The thickness of the multi-layer graphene
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 catalystundervisible 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, the colloidal sol is Ludox and/or Alumina gel；The pH value of the colloidal sol is preferably 3~11, more excellent
Elect 6~10, most preferably 7~9 as；The concentration of the colloidal sol is preferably 2~50wt%, more preferably 10~30wt%, optimal
Elect 15~25wt% as；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 Ludox in mixture and Alumina gel
Mass ratio there is no particular/special requirement, mixed using arbitrary mass ratio.The present invention does not have to the source of the colloidal sol
Particular/special requirement, use the colloidal sol in source known to those skilled in the art, such as commercially available colloidal sol.
In the present invention, graphene is preferably also contained in the colloidal sol；The mass content of graphene is preferred in the colloidal sol
For the 0.1~2% of photochemical catalyst quality, more preferably 0.5~1.5%；In a particular embodiment of the present invention, preferably by graphite
Alkene is directly mixed with colloidal sol, graphene is uniformly dispersed in colloidal sol；It is graphene-doped in colloidal sol to be advantageous to electricity
The transmission of son, the catalytic activity of photochemical catalyst can be improved.
Colloidal sol is included in light catalyzed coating provided by the invention, the colloidal sol and photochemical catalyst are dehydrated to form new chemistry
Key, after coating is sprayed at into artificial flowers surface, colloidal sol and photochemical catalyst can form self assembled three-dimensional on artificial flowers surface and stack
Structure, the contact area of organic pollution and photochemical catalyst can be improved, so as to improve the utilization ratio of photochemical catalyst；It is and molten
The addition of glue to form separation layer between catalyst and artificial flowers, avoids the phenomenon of catalytic erosion artificial flowers, moreover it is possible to increase
Active force between powerful catalyst and artificial flowers, effectively alleviate the problem that comes off of catalyst.
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, when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent；Light in the light catalyzed coating
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 quality of colloidal sol and the volume ratio of solvent are preferably 0.1~15g in the light catalyzed coating：1L, more preferably 0.3~
10g:1L, most preferably 0.5~5g:1L.
In the present invention, when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent, the system of the light catalyzed coating
Preparation Method 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 light catalyzed coating.
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 light catalyzed coating.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.
In the present invention, when the light catalyzed coating includes the photocatalyst dispersion liquid and sol solution of packing；The light
The quality of photochemical catalyst and the volume ratio of solvent are preferably 1~30g in catalyst dispersion：1L, more preferably 3~20g:1L,
Most preferably 5~15g:1L；The quality of colloidal sol and the volume ratio of solvent are 0.1~15g in the sol solution：1L, more preferably
For 0.3~10g:1L, most preferably 0.5~5g:1L.
In the present invention, when the light catalyzed coating includes the photocatalyst dispersion liquid and sol solution of packing, the light
The preparation method of catalyst dispersion is preferably identical 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.
In the present invention, the material of the photocatalysis artificial flowers be preferably polyethylene, it is polyester, polypropylene, polyvinyl chloride, poly-
One or more of mixtures in acid amides, ethylene-vinyl acetate copolymer, polyacrylonitrile, polyurethanes and cellulose,
In a particular embodiment of the present invention, it is specifically as follows plastic products artificial flowers, fibre artificial flowers or plastics-fiber mixing
Product simulation is spent.The present invention makes artificial flowers possess light-catalysed function by coating light catalyzed coating on artificial flowers surface, at this
In invention, dry film load capacity of the photochemical catalyst on artificial flowers surface is preferably 0.1~12g/m2, more preferably 0.2~
10g/m2, most preferably 0.5~8g/m2。
The invention provides the preparation method of photocatalysis artificial flowers described in such scheme, comprise the following steps：
(1) when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent, light catalyzed coating is sprayed at artificial flowers
Surface, obtain the artificial flowers coated with light catalyzed coating wet film；
Or, when the photochemical catalyst includes photocatalysis dispersion liquid and sol solution, by the photocatalysis dispersion liquid and molten
Sol solution is sprayed at artificial flowers surface respectively, obtains the artificial flowers coated with light catalyzed coating wet film；
(2) artificial flowers coated with light catalyzed coating wet film are dried, obtains photocatalysis artificial flowers.
In the present invention, when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent, light catalyzed coating is sprayed
In artificial flowers surface, the artificial flowers coated with light catalyzed coating wet film are obtained.In the present invention, the flow of the spraying is preferably
50~300ml/min, more preferably 60~250ml/min, most preferably 75~200ml/min；Shower nozzle and imitative during the spraying
The air line distance for really spending surface is preferably 5~25cm, more preferably 7~20cm, most preferably 10~15cm；The photocatalysis applies
Expect that the quantity for spray on artificial flowers surface is preferably 50~1000ml/m2, more preferably 100~800ml/m2。
In the present invention, when the photochemical catalyst includes photocatalysis dispersion liquid and sol solution, by the photocatalysis point
Dispersion liquid and sol solution are sprayed at artificial flowers surface respectively, obtain the artificial flowers coated with light catalyzed coating wet film.The present invention is right
The spraying order of the photocatalyst dispersion liquid and sol solution does not have particular/special requirement, can first spray photocatalyst dispersion liquid,
Sol solution is sprayed again, can also first spray sol solution, then spray photocatalyst dispersion liquid.In the present invention, the light is urged
The spraying flow for changing dispersion liquid and sol solution preferably stands alone as 50~300ml/min, more preferably 60~250ml/min, most
Preferably 75~200ml/min；The air line distance on shower nozzle and artificial flowers surface preferably stands alone as 5~25cm during the spraying, more
Preferably 7~20cm, most preferably 10~15cm.
In the present invention, the thickness of the light catalyzed coating wet film is preferably 50nm~200 μm, and more preferably 200nm~
50μm。
After obtaining the artificial flowers coated with light catalyzed coating wet film, the present invention is by described coated with light catalyzed coating wet film
Artificial flowers are dried, and obtain photocatalysis artificial flowers.The present invention does not have particular/special requirement to the concrete mode of the drying, will can coat
The solvent for having the artificial flowers surface of light catalyzed coating wet film removes complete；In a particular embodiment of the present invention, it is described dry
Dry is preferably that room temperature is dried or dried；The temperature of the drying is preferably 80~200 DEG C, more preferably 100~150 DEG C；This hair
The bright time to drying or drying does not have particular/special requirement, can remove solvent complete.The present invention is urged light by drying
The solvent changed in coating is removed, and photochemical catalyst and colloidal sol are supported in the form of catalyst granules and sol particle after solvent removes
Artificial flowers surface, the two can form three-dimensional stacking structure.
In a particular embodiment of the present invention, can to ensure that the catalyst loadings on artificial flowers surface reach above-mentioned requirements
Multiple spraying-drying is carried out, that is, after being coated with the artificial flowers drying of light catalyzed coating wet film, then in gained photocatalysis artificial flowers
Surface is sprayed again, is then dried, the like, until the photocatalyst amount on artificial flowers surface meets above-mentioned want
Ask；In a particular embodiment of the present invention, the photocatalyst amount for drying post-simulation flower surface is detected, is urged further according to institute's light requirement
The load capacity of agent determines the number of spraying-drying.
Prepared present invention also offers preparation method described in the photocatalysis artificial flowers described in such scheme or such scheme
Application of the photocatalysis artificial flowers in photocatalysis.In the present invention, the photocatalysis artificial flowers are preferably applied to Water warfare or sky
In gas purification；In the present invention, the Water warfare is mainly the catalysis oxidation to organic pollution, and the organic pollution is preferred
Including organic dyestuff, benzene ring type compounds, naphthalene cyclics or the poisonous aromatic compounds in industry or sanitary wastewater
Deng；The purification of air is mainly the catalysis oxidation to volatile organic contaminant, and the volatile organic contaminant preferably wraps
Include the degradation of indoor air VOCs such as formaldehyde, mercaptoethanol, toluene, hydro carbons or benzene homologues or compound.The present invention is to described
The concrete application method of photocatalysis artificial flowers does not have particular/special requirement, using application process well known to those skilled in the art,
Specifically such as it is placed directly in air or water, photocatalysis artificial flowers is carried out catalysis oxygen to organic pollution in the presence of light
Change.
Photocatalysis artificial flowers of the present invention do not have particular/special requirement to photocatalysis response light source, use people in the art
Photocatalysis response light source known to member, it is specific such as ultraviolet light, sunshine, fluorescent lamp, fluorescent lamp, LED, xenon lamp and deuterium
Lamp etc..
Photocatalysis artificial flowers provided by the invention and its preparation method and application are carried out in detail with reference to embodiment
Illustrate, 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 9, aerosol particle size size is 10~20nm.
(3) 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 TiO2Dispersion liquid；The in the mixed solvent deionized water and the volume ratio of ethanol are 5:3；In the TiO2
0.5ml Ludox is added in dispersion liquid, ultrasonic 0.5h under 400W, obtains photocatalyst coating；The thickness of silica gel is 20
± 1wt%, pH 9, aerosol particle size size are 10~20nm.
Experiment 1：The polyvinyl chloride that a flower diameter is 5cm is taken to emulate rose, by the sol solution in (2) loaded on height
Sprayed in pressure electric spray gun, gun traffic is set to 100ml/min, spray distance 15cm, and quantity for spray is about 0.5ml；Again
Photocatalyst dispersion liquid in (1) is loaded in high-voltage electric spray gun and sprayed, gun traffic is set to 100ml/min, spraying
Distance is 15cm, and quantity for spray is about 0.5ml.Drying and processing 15min, obtained photocatalysis are imitated in 80 DEG C of baking ovens after the completion of spraying
Very (photocatalyst amount is 0.5g/m to flower2), it is designated as photocatalysis artificial flowers A.
Experiment 2：The polyvinyl chloride that a flower diameter is 5cm is taken to emulate rose, by the sol solution in (2) loaded on height
Sprayed in pressure electric spray gun, gun traffic is set to 100ml/min, spray distance 15cm, and quantity for spray is about 0.5ml；Again
Photocatalyst dispersion liquid in (1) is loaded in high-voltage electric spray gun and sprayed, gun traffic is set to 100ml/min, spraying
Distance is 15cm, and quantity for spray is about 0.5ml.After the completion of spraying in 80 DEG C of baking ovens drying and processing 15min.The above-mentioned spraying of repetition,
Once, obtained photocatalysis artificial flowers, being designated as photocatalysis artificial flowers B, (photocatalyst amount is 1g/m to baking step2)。
Experiment 3：Take the polyvinyl chloride that a flower diameter is 5cm to emulate rose, the catalyst dispersion in (3) is filled
Sprayed in high-voltage electric spray gun, gun traffic is set to 100ml/min, spray distance 15cm, and quantity for spray is about
0.5ml, after the completion of spraying in 80 DEG C of baking ovens drying and processing 15min, obtained photocatalysis artificial flowers, be designated as photocatalysis artificial flowers
(photocatalyst amount is 0.5g/m to C2)。
Experiment 4：Take the polyvinyl chloride that a flower diameter is 5cm to emulate rose, the catalyst dispersion in (3) is filled
Sprayed in high-voltage electric spray gun.Gun traffic is set to 100ml/min, spray distance 15cm, and quantity for spray is about
0.5ml.After the completion of spraying in 80 DEG C of baking ovens drying and processing 15min.Repeat above-mentioned spraying, baking step once, obtained light
Artificial flowers are catalyzed, being designated as photocatalysis artificial flowers D, (photocatalyst amount is 1g/m2)。
Control experiment：The polyvinyl chloride that a flower diameter is 5cm is taken to emulate rose, the photocatalysis that will be prepared in (1)
Agent dispersing liquid is loaded in high-voltage electric spray gun and sprayed, and then dries；Spray flow, spray distance, quantity for spray, drying temperature
Consistent all with experiment 1 with the time, gained artificial flowers are designated as photocatalysis artificial flowers control group.
Photocatalytic degradation is tested：Under simulated solar irradiation, by the photocatalysis artificial flowers A being prepared, photocatalysis artificial flowers B,
Photocatalysis artificial flowers C, photocatalysis artificial flowers D and photocatalysis artificial flowers control group carry out photocatalytic degradation experiment, and step is as follows：
Using methylene blue as substrate, reacted in xenon lamp aging chamber, a sample is taken per 5min, then with purple
Outside-vis spectroscopy degree measurement tries the change of its absorbance, so as to calculate change of the Methylene Blue in Solution concentration with the reaction time
Change.Wherein, the initial concentration of methylene blue is 5 × 10-5Mol/L, reaction temperature are 25 DEG C, total reaction time 60min, as a result
As shown in Figure 1.
As seen from Figure 1, removal speed of the photocatalysis artificial flowers that method provided by the invention obtains for methylene blue
Rate is higher, and the clearance in 10min has generally reached more than 90%；Photocatalysis artificial flowers D is in 5min to methylene blue
Clearance has reached 93%, and degradation rate significantly improves；In 30min, photocatalysis artificial flowers provided by the invention are by methylene
Indigo plant substantially completely removes, and control group clearance only has 74% or so.
Photocatalytic degradation cyclic test：The photocatalysis artificial flowers D deionized waters of a photocatalytic degradation experiment will be completed
Washing three times, is dried at 60 DEG C, then photocatalytic degradation experiment is carried out according to above-mentioned steps, then again to photocatalysis artificial flowers
Washed, dry and photocatalytic degradation experiment, repeat 6 times.Test result indicates that after 6 cyclic tests, photocatalysis
Artificial flowers are 95% to the clearance of methylene blue, illustrate that catalytic activity is substantially unchanged, illustrate the light catalyzed coating of the present invention
In photochemical catalyst and artificial flowers adhesion it is strong, it is difficult for drop-off.
Embodiment 2
(1) the anatase crystal TiO by 0.75g particle diameters for 100nm2It is placed in conical flask, adds 100ml mixed solvents,
Ultrasonic 0.5h, obtains TiO under 400W2Dispersion liquid；The in the mixed solvent deionized water and the volume ratio of ethanol are 10:1；Institute
State TiO21ml Ludox is added in dispersion liquid, ultrasonic 0.5h under 400W, obtains light catalyzed coating；The Ludox pH is 10,
Concentration is 20 ± 1wt%, and aerosol particle size size is 8~15nm.
(2) take the polyvinyl chloride that a flower diameter is 5cm to emulate rose, the light catalyzed coating in step (1) is filled
Sprayed in high-voltage electric spray gun；Gun traffic is set to 75ml/min, spray distance 10cm, and quantity for spray is about 0.5ml；
After the completion of spraying in 80 DEG C of baking ovens drying and processing 30min, obtaining photocatalysis artificial flowers, (photocatalyst amount is 0.5g/
m2)。
It is real that photocatalytic degradation is carried out to gained photocatalysis artificial flowers according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the concentration of methylene blue is 5 × 10-5Mol/L, reaction temperature are 25 DEG C, and the clearance in 60min can reach
More than 80%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalysis artificial flowers are carried out according to the method in embodiment 1
More than 80% still can reach to the clearance of methylene blue.
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 540 DEG C and maintains 6h, 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；1ml Ludox is added in the photocatalyst dispersion liquid, ultrasonic 0.5h under 400W, is obtained
Light catalyzed coating；The Ludox pH is 10, and concentration is 20 ± 1wt%, and aerosol particle size size is 10~20nm.
(3) take the polyvinyl chloride that a flower diameter is 5cm to emulate rose, the light catalyzed coating in step (2) is filled
Sprayed in high-voltage electric spray gun, gun traffic is set to 100ml/min, spray distance 11cm, and quantity for spray is about
0.5ml；After the completion of spraying in 100 DEG C of baking ovens drying and processing 30min, obtaining photocatalysis artificial flowers, (photocatalyst amount is
0.5g/m2)。
It is real that photocatalytic degradation is carried out to gained photocatalysis artificial flowers according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the concentration of methylene blue is 5 × 10-5Mol/L, reaction temperature are 25 DEG C, and the clearance in 30min can reach
More than 90%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalysis artificial flowers are carried out according to the method in embodiment 1
More than 90% still can reach to the clearance of methylene blue.
Embodiment 4
(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 530 DEG C and maintains 5h, 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 and 100mLN, dinethylformamide mix, and ultrasonic 8h under 200W, obtain
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 3:2；
1ml Ludox is taken, 100 times is diluted with deionized water, obtains sol solution, the thickness of silica gel is 20 ±
1wt%, pH 10, aerosol particle size size are 8~15nm.
(3) polypropylene that a flower diameter is 5cm is taken to emulate rose, by the photocatalyst dispersion liquid in step (2)
Loaded on being sprayed in high-voltage electric spray gun, remaining photocatalyst dispersion liquid is then poured out, then by the sol solution in step (2)
Loaded on being sprayed in high-voltage electric spray gun；Gun traffic is set to 125ml/min, spray distance 12cm, each quantity for spray
About 0.5ml, after the completion of spraying in 125 DEG C of baking ovens drying and processing 20min, repeat above-mentioned spraying process once, place into
Drying and processing 20min in 125 DEG C of baking ovens, obtaining photocatalysis artificial flowers, (photocatalyst amount is 1g/m2)。
It is real that photocatalytic degradation is carried out to gained photocatalysis artificial flowers according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the concentration of methylene blue is 5 × 10-5Mol/L, reaction temperature are 25 DEG C, and the clearance in 15min can reach
More than 90%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalysis artificial flowers are carried out according to the method in embodiment 1
More than 90% still can reach to the clearance of methylene blue.
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 5.5h, obtains g-C3N4；
(2) by the g-C of 0.65g in 0.35g 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 2:
3；1.5ml Ludox is added in the photocatalyst dispersion liquid, ultrasonic 0.5h under 400W, obtains light catalyzed coating；It is described
Ludox pH is 10, and concentration is 20 ± 1wt%, and aerosol particle size size is 8~15nm.
(3) take the polypropylene that a flower diameter is 5cm to emulate rose, the light catalyzed coating in step (2) is loaded on
Sprayed in high-voltage electric spray gun, gun traffic is set to 150ml/min, spray distance 13cm, and quantity for spray is about 0.5ml；
After the completion of spraying in 150 DEG C of baking ovens drying and processing 30min, obtaining photocatalysis artificial flowers, (photocatalyst amount is 0.5g/
m2)。
It is real that photocatalytic degradation is carried out to gained photocatalysis artificial flowers according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the concentration of methylene blue is 5 × 10-5Mol/L, reaction temperature are 25 DEG C, and the clearance in 30min can reach
More than 95%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalysis artificial flowers are carried out according to the method in embodiment 1
More than 95% still can reach to the clearance of methylene blue.
Embodiment 6
(1) 15g urea is placed in the semiclosed alumina crucible with lid, with 3 DEG C/min liter in tube furnace
Warm speed rises to 550 DEG C and maintains 4h, obtains g-C3N4。
(2) by the g-C of 0.6g in 0.4g 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:
5；
1.5ml Ludox is taken, 100 times is diluted with deionized water, obtains sol solution；The thickness of silica gel be 20 ±
1wt%, pH 9, aerosol particle size size are 8~15nm.
(3) take the polyester that a flower diameter is 5cm to emulate rose, the sol solution in step (2) is loaded on high pressure
Sprayed in electric spray gun, then pour out surplus solution, then the photocatalyst dispersion liquid in (2) is loaded on high-voltage electric spray gun
In sprayed；Gun traffic is set to 200ml/min, and spray distance 15cm, each quantity for spray is about 0.5ml.Spray
After in 170 DEG C of baking ovens drying and processing 30min, obtaining photocatalysis artificial flowers, (photocatalyst amount is 0.5g/m2)。
It is real that photocatalytic degradation is carried out to gained photocatalysis artificial flowers according to the photocatalytic degradation test method in embodiment 1
Test, wherein, the concentration of methylene blue is 5 × 10-5Mol/L, reaction temperature are 25 DEG C, and the clearance in 20min can reach
More than 95%.
Photocatalytic degradation cyclic test, after 6 cyclic tests, photocatalysis artificial flowers are carried out according to the method in embodiment 1
More than 95% still can reach to the clearance of methylene blue.
Embodiment 7
In order to be more easily observed whether photocatalytic process artificial flowers base material is easily corroded, the present embodiment is by photocatalysis
Agent is sprayed at carries out photocatalysis experiment with artificial flowers material identical white polyester fibrofelt surface, observes phenomenon, specific steps
It is as follows：
(1) light catalyzed coating prepared by the step of embodiment 1 (3) is sprayed at polyester fiber felt surface, gun traffic is set to
100ml/min, spray distance 15cm, quantity for spray are about 0.5ml, after the completion of spraying in 100 DEG C of baking ovens drying and processing
15min, repeat above-mentioned spraying, baking step once, obtain experimental group；
(2) TiO that will be prepared in the step of embodiment 1 (1)2Dispersion liquid (light catalyzed coating for not including colloidal sol) is sprayed at
Polyester fiber felt surface, spraying conditions are consistent with (1), 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 the photocatalysis emulation of the present invention
Flower does not produce corrosion in photocatalytic process to artificial flowers material itself, will not damage the performance of artificial flowers in 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 (9)
1. a kind of photocatalysis artificial flowers, it is prepared by light catalyzed coating coated in artificial flowers surface；The light catalyzed coating bag
Include photochemical catalyst, colloidal sol and solvent or photocatalyst dispersion liquid and sol solution including packing；
The photochemical catalyst is that titanium dioxide, titanium dioxide-graphene complex, titanium dioxide-class graphite phase carbon nitride are answered
Compound, titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound, titanium dioxide-tungstic acid compound, class graphite-phase
Carbonitride-tungstic acid compound, class graphite phase carbon nitride-metal phthalocyanine compound, metal phthalocyanine-tungstic acid compound,
In the compound of titanium dioxide-class graphite phase carbon nitride-tungstic acid, titanium dioxide-metal phthalocyanine-tungstic acid compound
One or more of mixtures；
The colloidal sol is Ludox and/or Alumina gel.
2. photocatalysis artificial flowers according to claim 1, it is characterised in that 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.
3. photocatalysis artificial flowers according to claim 1 or 2, it is characterised in that also include graphene in the colloidal sol；Institute
The mass content for stating graphene in colloidal sol is the 0.1~2% of photochemical catalyst quality.
4. photocatalysis artificial flowers according to claim 1, it is characterised in that the light catalyzed coating include photochemical catalyst,
When colloidal sol and solvent；The quality of photochemical catalyst and the volume ratio of solvent are 1~30g in the light catalyzed coating：1L；The light is urged
It is 0.1~15g to change the quality of colloidal sol and the volume ratio of solvent in coating：1L；
When the light catalyzed coating includes the photocatalyst dispersion liquid and sol solution of packing；Light in the photocatalyst dispersion liquid
The quality of catalyst and the volume ratio of solvent are 1~30g：1L；The quality of colloidal sol and the volume ratio of solvent in the sol solution
For 0.1~15g：1L.
5. the photocatalysis artificial flowers according to Claims 1 to 4 any one, it is characterised in that the photochemical catalyst is imitative
The dry film load capacity for really spending surface is 0.1~12g/m2。
6. photocatalysis artificial flowers according to claim 5, it is characterised in that the material of the artificial flowers is polyethylene, gathered
In ester, polypropylene, polyvinyl chloride, polyamide, ethylene-vinyl acetate copolymer, polyacrylonitrile, polyurethanes and cellulose
One or more of mixtures.
7. the preparation method of photocatalysis artificial flowers, comprises the following steps described in claim 1~6 any one：
(1) when the light catalyzed coating includes photochemical catalyst, colloidal sol and solvent, light catalyzed coating is sprayed at artificial flowers table
Face, obtain the artificial flowers coated with light catalyzed coating wet film；
Or, when the photochemical catalyst includes photocatalysis dispersion liquid and sol solution, the photocatalysis dispersion liquid and colloidal sol is molten
Liquid is sprayed at artificial flowers surface respectively, obtains the artificial flowers coated with light catalyzed coating wet film；
(2) artificial flowers coated with light catalyzed coating wet film are dried, obtains photocatalysis artificial flowers.
8. preparation method according to claim 7, it is characterised in that the flow of the spraying stands alone as 50~300ml/
min；The air line distance on shower nozzle and artificial flowers surface stands alone as 5~25cm during the spraying.
9. preparation side described in the photocatalysis artificial flowers or claim 7~8 any one described in claim 1~6 any one
The application of photocatalysis artificial flowers prepared by method in photocatalysis.
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