CN109310937A - Photochemical catalyst functionality filter - Google Patents
Photochemical catalyst functionality filter Download PDFInfo
- Publication number
- CN109310937A CN109310937A CN201780036766.7A CN201780036766A CN109310937A CN 109310937 A CN109310937 A CN 109310937A CN 201780036766 A CN201780036766 A CN 201780036766A CN 109310937 A CN109310937 A CN 109310937A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- photochemical catalyst
- adsorbent
- filter according
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 104
- 239000003463 adsorbent Substances 0.000 claims abstract description 94
- 239000011230 binding agent Substances 0.000 claims abstract description 76
- 239000011941 photocatalyst Substances 0.000 claims abstract description 56
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 229910044991 metal oxide Inorganic materials 0.000 claims description 18
- 150000004706 metal oxides Chemical class 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 11
- 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
- 239000000203 mixture Substances 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052586 apatite Inorganic materials 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 3
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 3
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims description 3
- 229920006254 polymer film Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 16
- 239000002245 particle Substances 0.000 description 16
- 230000015556 catabolic process Effects 0.000 description 12
- 238000006731 degradation reaction Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 230000007423 decrease Effects 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000000505 pernicious effect Effects 0.000 description 6
- 229920001187 thermosetting polymer Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000005660 hydrophilic surface Effects 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000012798 spherical particle Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000007281 self degradation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- VKEQBMCRQDSRET-UHFFFAOYSA-N Methylone Chemical compound CNC(C)C(=O)C1=CC=C2OCOC2=C1 VKEQBMCRQDSRET-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- SFMJNHNUOVADRW-UHFFFAOYSA-N n-[5-[9-[4-(methanesulfonamido)phenyl]-2-oxobenzo[h][1,6]naphthyridin-1-yl]-2-methylphenyl]prop-2-enamide Chemical compound C1=C(NC(=O)C=C)C(C)=CC=C1N1C(=O)C=CC2=C1C1=CC(C=3C=CC(NS(C)(=O)=O)=CC=3)=CC=C1N=C2 SFMJNHNUOVADRW-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000002256 photodeposition Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- HMOMYALVZQTONO-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound C[Si](OCC)(OCC)OCC.C[Si](OCC)(OCC)OCC HMOMYALVZQTONO-UHFFFAOYSA-N 0.000 description 1
- FWBQUXLXFQMKME-UHFFFAOYSA-N trimethoxy(methyl)silane Chemical compound CO[Si](C)(OC)OC.CO[Si](C)(OC)OC FWBQUXLXFQMKME-UHFFFAOYSA-N 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0038—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions with means for influencing the odor, e.g. deodorizing substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/08—Special characteristics of binders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20776—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20792—Zinc
-
- 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
Abstract
The present invention provides photochemical catalyst functionality filter, successively includes photocatalyst layer, adsorbent layer and substrate layer, above-mentioned photocatalyst layer includes: having hydrophilic first inorganic binder;And photochemical catalyst, above-mentioned adsorbent layer includes: second inorganic binder different from above-mentioned first binder;And adsorbent.
Description
Technical field
The present invention relates to photochemical catalyst functionality filters.
Background technique
Plain filter for medical mask, automotive seat etc., which has, captures the simultaneously function of filter bacteria or gaseous material
Energy.But this plain filter does not have the self degradation function of bacterium or gaseous material.In this regard, only being applied in filter
In the case where photochemical catalyst, though there is self degradation function, because by the noxious substance spread in air to photochemical catalyst
Surface needs the time, so effect is difficult to see that in the short time, in the case where filter only applies adsorbent, though it can be in short-term
Interior removal bacterium or gaseous material, but its effect just can not be seen after there is adsorbent saturation.
Therefore, it currently also needs in the method simultaneously in a manner of photochemical catalyst and adsorbent to improve filter efficiency
It is studied.
Summary of the invention
The technical problem to be solved in the present invention
An example of the invention provides a kind of harmful substance that can be adsorbed in a short time in air and fast degradation is inhaled
The photochemical catalyst functionality filter of attached harmful substance.
Technical solution
An example of the invention provides a kind of photochemical catalyst functionality filter, successively includes photocatalyst layer, absorption
Oxidant layer and substrate layer, above-mentioned photocatalyst layer includes: having hydrophilic first inorganic binder;And photochemical catalyst, on
Stating adsorbent layer includes: second inorganic binder different from above-mentioned first binder;And adsorbent.
Above-mentioned first inorganic binder may include selected from by titanium dioxide (TiO2) binder, colloidal silicon (colloidal
Silica), silica (SiO2) binder, alumina sol, zirconia sol and their combination composition group in
It is a kind of.
Contact angle between above-mentioned first inorganic binder and water can be 0 ° to 20 °.
Above-mentioned photochemical catalyst may include metal oxide and metallic.
Above-mentioned metal oxide may include selected from by titanium oxide, tungsten oxide, zinc oxide, niobium oxide and their combination group
At one of group.
Above-mentioned metallic may include selected from by tungsten, chromium, vanadium, molybdenum, copper, iron, cobalt, manganese, nickel, platinum, gold, silver, cerium, cadmium, zinc,
One of magnesium, calcium, strontium, barium and group of their combination composition.
The partial size (particle diameter) of above-mentioned photochemical catalyst can be 20nm to 100nm.
It may include 50 parts by weight to 100 weight on the basis of the photochemical catalyst of 100 parts by weight in above-mentioned photocatalyst layer
Above-mentioned first inorganic binder of part.
The thickness of above-mentioned photocatalyst layer can be 0.2 μm to 1 μm.
Above-mentioned second inorganic binder may include selected from by ethyl orthosilicate (TEOS), methyltrimethoxysilane
(Trimethoxy (methyl) silane), methyltriethoxysilane (triethoxy (methyl) silane) and they
One of the group that is combined into of group.
Above-mentioned adsorbent may include selected from by active carbon, zeolite, apatite, aluminium oxide, silica and their group
One of group being combined into.
The partial size of above-mentioned adsorbent can be 0.02 μm to 1 μm.
It may include 50 parts by weight to 100 parts by weight on the basis of the adsorbent of 100 parts by weight in above-mentioned adsorbent layer
Above-mentioned second inorganic binder.
The thickness of above-mentioned adsorbent layer can be 0.2 μm to 1 μm.
Above-mentioned substrate layer may include being selected to be made of non-woven fabrics, thin polymer film, glass substrate and their combination
One of group.
Beneficial effect
Above-mentioned photochemical catalyst functionality filter can easily trap the nuisance in air in a short time by adsorbent
Matter etc., and substrate layer can be prevented contaminated by the deodorization of photochemical catalyst, antibacterial, antiviral functions, even if in gaseous material
In the case where tangling, harmless substance can also be degraded to by light reaction.
There is the present invention above-mentioned photochemical catalyst can concentrate the surface for being scattered in photochemical catalyst functionality filter, so as to mention
It rises in air the advantages of the degradation efficiency of harmful substance.
Detailed description of the invention
Fig. 1 schematically illustrates the section of the organic fiber of the photochemical catalyst functional non-woven fabric of an example of the invention.
Fig. 2 schematically illustrates the photochemical catalyst of an example of the invention.
Specific embodiment
If advantages and features of the invention and the method for realizing these become brighter referring to aftermentioned embodiment
Really.But the present invention can be realized by a variety of different embodiments, and it is not limited to implementation as disclosed below
Example, the embodiment of the present invention just for the sake of keep present disclosure complete and by invention scope of the invention completely
Inform general technical staff of the technical field of the invention and be provided, the present invention only by invent claimed range come
Definition.Throughout the manual, identical appended drawing reference indicates identical structural element.
In the accompanying drawings, in order to clearly show multiple layers and region, thickness expansion is shown.And in the accompanying drawings, in order to
Convenient for explanation, it is greatly exaggerated to show the thickness in a part of layer and region.
Moreover, in the present specification, being located at other parts "upper" or " top " when the part such as layer, film, region, plate is referred to as
When, this not only include the case where it is " direct " be located at other parts "upper", also include the case where that there are other parts among the two.Phase
Instead, when certain part be referred to as it is " direct " be located at other parts "upper" when, then mean that other parts are not present among the two.And
And when the part of layer, film, region, plate etc. is referred to as and is located at other parts "lower" or " lower part ", this not only includes " direct " position
In the other parts "lower" the case where, also include the case where that there are other parts among the two.On the contrary, when certain part is referred to as " straight
Connect " when being located at other parts "lower", then mean that there is no other parts among the two.
An example of the invention provides photochemical catalyst functionality filter, successively includes: photocatalyst layer, adsorbent layer
And substrate layer, above-mentioned photocatalyst layer is rich to be contained: having hydrophilic first inorganic binder;And photochemical catalyst, above-mentioned suction
Attached oxidant layer includes: second inorganic binder different from above-mentioned first binder;And adsorbent.
Fig. 1 schematically illustrates the section of the organic fiber of the photochemical catalyst functional non-woven fabric of an example of the invention.
Referring to Fig.1, above-mentioned photochemical catalyst functionality filter 100 successively includes photocatalyst layer 110, adsorbent layer 120
And substrate layer 130.
Above-mentioned photocatalyst layer 110 includes photochemical catalyst 150 and the first inorganic binder 140, above-mentioned adsorbent layer 120
Include the second inorganic binder 160 and adsorbent 170.
It in the case where existing filter, is not layered individually, and photochemical catalyst is directly attached to adsorbent surface to make
With.In the case, it even if the photochemical catalyst of addition equivalent, few because being exposed to the amount of photochemical catalyst of filter surfaces, and leads
Causing the degradation efficiency of the organic matter in air reduces.
For this purpose, the present invention make above-mentioned photocatalyst layer be located at above-mentioned photochemical catalyst functionality filter outermost shell table
Face is distinguished with above-mentioned adsorbent layer, so that the degradation efficiency to harmful substance in air can be improved.
Above-mentioned optical catalyst filter plays the role of effectively trapping and degrade the harmful substance in air.On for this purpose,
It states photocatalyst layer to be required to easily react with the harmful substance in air, and above-mentioned adsorbent layer is required to
Farthest it is exposed to the surface of above-mentioned photochemical catalyst functionality filter.
In an example of the invention, above-mentioned photochemical catalyst functionality filter can be urged by suitably limiting or designing above-mentioned light
Formation, ingredient, composition of agent layer and adsorbent layer etc. first-class execute above-mentioned function.
Above-mentioned photocatalyst layer is located at the surface of the outermost shell of above-mentioned photochemical catalyst functionality filter, to can be improved pair
The degradation efficiency of harmful substance in air.
Specifically, the thickness of above-mentioned photocatalyst layer can be about 0.2 μm to 1 μm.Above-mentioned photocatalyst layer maintains above-mentioned thickness
Range is spent, so as to the harmful substance effectively adsorbed and in air of degrading, is less than above-mentioned thickness model in above-mentioned photocatalyst layer
In the case where enclosing, the binding force of above-mentioned photochemical catalyst and above-mentioned photocatalyst layer can decline, and weaken so as to cause durability, and nothing
The amount of photochemical catalyst needed for method sufficiently ensures light reaction.In the case where above-mentioned photocatalyst layer is greater than above-mentioned thickness range,
Above-mentioned adsorbent will not be then exposed to outside photocatalyst layer, be declined so as to cause the degree that the harmful substance in air is adsorbed,
And the probability of surface cracked (crack) increases, so that the durability of above-mentioned photocatalyst layer declines, it can production development
The problem of cost increase.
Above-mentioned photocatalyst layer includes to have hydrophilic first inorganic binder.Above-mentioned first inorganic binder may include
Free titanium dioxide binder, colloidal silicon, silica binder, alumina sol, zirconia sol and their combination
One of group of composition.Above-mentioned first inorganic binder can make above-mentioned photochemical catalyst adhere well to above-mentioned photochemical catalyst function
Energy property filter, for example, the phase in the case where the first inorganic binder includes titanium dioxide binder, with above-mentioned photochemical catalyst
Capacitive is outstanding, does not lose the catalysis of above-mentioned photochemical catalyst not only, and above-mentioned photochemical catalyst can also be made to be adhered firmly to
State the surface of photochemical catalyst functionality filter.
Contact angle between above-mentioned first inorganic binder and water can be about 20 ° or less.Specifically, it can be about 0 (zero) °
To about 20 °.Using between apparatus for measuring contact angle (dataphysics, Contact angle system OCA) measurement and water
Above-mentioned contact angle metered volume (dosing volume) is set as in the state of 25 DEG C and 1 atmospheric pressure
" 2uL ", to measure contact angle, above-mentioned " 2uL " is to fall on surface to measure contact angle under room temperature atmospheric pressure state
The volume of water.
In the case where the contact angle of above-mentioned first inorganic binder is greater than above range, hydrophilic surface can not be formed,
Properties of catalyst can then decline.It specifically, can not be effective if the surface of above-mentioned photochemical catalyst does not have sufficient hydrophily
Hydrone needed for ground adsorption photochemical catalysis agent reaction can eventually lead to properties of catalyst decline.That is, above-mentioned first inorganic bond
The contact angle of agent is met the above range, so as to easily ensure effective properties of catalyst expression.
Above-mentioned first inorganic binder has hydrophily, thus can realize properties of catalyst to by hydrophilic surface
Absorption is effectively performed in the hydrone of Shi Suoxu, therefore, it can be achieved that properties of catalyst compared with the binder of non-hydrophilic
It maximizes.
Above-mentioned photocatalyst layer includes photochemical catalyst.Above-mentioned photochemical catalyst generally means that can promote when exposed to light
Learn the substance of reaction.For example, censuring can promote to dye with organic odor causing substance, volatile organic compounds and organic substrate
The degradation of agent or the substance of the related redox reaction of oxidation.
Specifically, when above-mentioned photochemical catalyst is exposed to light, by the wave-length coverage by absorbing about 400nm to about 700nm
Light generate superoxide anion or hydroxy radical etc. obtained energy electrons and holes generated, they it is degradable and
The harmful substance in air is removed, to play the role of clean air, deodorization or antibacterial.
Above-mentioned photochemical catalyst may include metal oxide and metallic.
Fig. 2 schematically illustrates the appearance of the photochemical catalyst of an example of the invention.
Referring to Fig. 2, above-mentioned photochemical catalyst 150 can dispersedly be attached to the surface of metal oxide 220 in metallic 210
Shape.Specifically, above-mentioned photochemical catalyst 150 can be in above-mentioned 210 light deposition of metallic (photo-deposition) in upper
State the form on the surface of metal oxide 220.
Above-mentioned metal oxide may include selected from by titanium oxide, tungsten oxide, zinc oxide, niobium oxide and their combination group
At one of group.
For example, above-mentioned metal oxide may include tungsten oxide, in the case, can get reacted under visible light and
Outstanding, the cheap advantage of the photochemical catalyst characteristic showed.
Above-mentioned metallic may include selected from by tungsten, chromium, vanadium, molybdenum, copper, iron, cobalt, manganese, nickel, platinum, gold, silver, cerium, cadmium, zinc,
One of magnesium, calcium, strontium, barium and group of their combination composition.
For example, above-mentioned metallic may include platinum, in the case, available properties of catalyst reaches highest excellent
Point.
Above-mentioned metal oxide and metallic are respectively spherical particle, and " spherical particle " is not meant to mathematically
Particle with complete spherical form, but indicate that projection image has the particle the same as or similar to round or elliptical shape.
Above-mentioned metal oxide and above-mentioned metallic are respectively spherical particle, and result makes above-mentioned photocatalyst particles have ball
The metal particle deposition of shape is in the shape on the surface of spherical metal oxide particle.
At this point, the partial size of above-mentioned metallic is several nanometers (nm), for example, can be about 3nm to about 5nm.Above-mentioned clipped wire
The partial size of son is very small compared with the partial size of above-mentioned metal oxide, and above-mentioned metallic has the partial size of above range,
Thus with suitable content light deposition in the surface of above-mentioned metal oxide, so as to show outstanding photocatalyst activity.
It can the diameter of projection image when to metallic above-mentioned with the parallel light projection of prescribed direction and measure
Derive the partial size of above-mentioned metallic, this is equally applicable to photochemical catalyst.
The partial size of above-mentioned photochemical catalyst can be about 20nm to about 100nm, specifically, can be about 30nm to about 60nm.It can lead to
It crosses measurement scanning electron microscope (SEM) or transmission electron microscope (TEM) photo and derives above-mentioned photocatalyst particles
Partial size.The partial size of above-mentioned photocatalyst particles is met the above range, and thus can ensure that the high-adhesiveness to above-mentioned photocatalyst layer,
And dispersed with suitable dispersion degree, so as to show outstanding photocatalyst activity.
When the partial size in view of above-mentioned metallic is very small compared with the partial size of above-mentioned metal oxide, it can be understood as
The size of above-mentioned photocatalyst particles, that is, the partial size of above-mentioned photocatalyst particles is mainly determined by the partial size of above-mentioned metal oxide
It is fixed.That is, in the case where above-mentioned photocatalyst particles have the partial size of above range, the metal oxidation of above-mentioned photocatalyst particles
Object can have several nanometers within the above range, for example, can have the partial size in the error range of about 3nm to about 5nm.In this situation
Under, it can express outstanding catalytic activity effect by an adequate amount of metallic light deposition in the surface of above-mentioned metal oxide
Rate.Moreover, above-mentioned photocatalyst particles have the partial size of above range, thus can be distributed evenly in photocatalyst layer.
In above-mentioned photocatalyst layer, on the basis of the above-mentioned photochemical catalyst of 100 parts by weight, it can include about 50 parts by weight to about
Above-mentioned first inorganic binder of 100 parts by weight.
Above-mentioned photocatalyst layer includes above-mentioned first inorganic binder of above-mentioned parts by weight range, thus above-mentioned photochemical catalyst
Function will not decline and can also be achieved hardness appropriate, durability also gets a promotion.In above-mentioned first inorganic binder
In the case that parts by weight are less than above range, it may occur that not can guarantee filling between above-mentioned photocatalyst layer and above-mentioned photochemical catalyst
The problem of adhesive force divided, in the case where the parts by weight of above-mentioned first inorganic binder are greater than above range, above-mentioned photocatalysis
The most of of the surface of agent is covered by above-mentioned first inorganic binder, can reduce so as to which the activity of above-mentioned photochemical catalyst occurs
Problem.
Referring to Fig.1, above-mentioned photochemical catalyst functionality filter 100 includes inhaling in the one side of above-mentioned photocatalyst layer 110
Attached oxidant layer 120.Above-mentioned adsorbent layer should be between above-mentioned photocatalyst layer and above-mentioned substrate layer, and can easily adsorb air
In harmful substance, the compatibility of above-mentioned substrate layer and above-mentioned photocatalyst layer should be preferable.
In an example of the invention, above-mentioned photochemical catalyst functionality filter can pass through the composition of the above-mentioned adsorbent of control
And ingredient first-class executes above-mentioned function.
Specifically, the thickness of above-mentioned adsorbent layer can be about 0.2um to about 1um.Above-mentioned adsorbent layer maintains above-mentioned thickness
Range so as to effectively adsorb the harmful substance in air, and can have durability appropriate, small in above-mentioned adsorbent layer
In the case where above-mentioned thickness range, absorption property can decline, in the case where above-mentioned adsorbent layer is greater than above-mentioned thickness range,
Above-mentioned adsorbent layer can occur crackle and then the durability of above-mentioned adsorbent layer is caused to decline, and above-mentioned adsorbent layer is thicker, production
Cost can be higher.
Above-mentioned adsorbent layer includes second inorganic binder different from the first inorganic binder of above-mentioned photocatalyst layer.
Above-mentioned second inorganic binder use the binder different from above-mentioned first inorganic binder, thus with use same binder
The case where compare, above-mentioned adsorbent layer and photocatalyst layer can be maintained well by isolated structure, by the inclusion of above-mentioned
The hydrophilic characteristics of above-mentioned first inorganic binder of photocatalyst layer, photochemical catalyst efficiency are maximized, and above-mentioned absorption
Oxidant layer can realize flawless and uniform screening characteristics and outstanding according to the second inorganic binder for being included in above-mentioned adsorbent layer
Durability.
Above-mentioned second inorganic binder may include selected from by ethyl orthosilicate, methyltrimethoxysilane, three ethoxy of methyl
One of the group of base silane and their combination composition.Above-mentioned second inorganic binder glue above-mentioned adsorbent can well
Above-mentioned photochemical catalyst functionality filter is invested, for example, including ethyl orthosilicate binder in above-mentioned second inorganic binder
In the case of, it is outstanding with the compatibility of above-mentioned adsorbent and above-mentioned first inorganic binder, and the absorption of above-mentioned adsorbent is not lost
Function can also make it be adhered firmly to the surface of above-mentioned photochemical catalyst functionality filter.
Above-mentioned adsorbent layer includes adsorbent, and above-mentioned adsorbent may include selected from by active carbon, zeolite, apatite, oxidation
One of aluminium, silica and group of their combination composition.Using the adsorbent of mentioned kind, can obtain can ensure that with
Outstanding compatibility between above-mentioned second inorganic binder and can harmful substance in quick adsorption air the advantages of.
Above-mentioned adsorbent can have porous structure.Above-mentioned adsorbent can have high surface area by porous structure, adsorb
In terms of harmful substance in air, surface area is bigger can be more advantageous.Specifically, above-mentioned adsorbent can have about 500m2/ g is to about
1000m2The surface area of/g.Above-mentioned adsorbent has the surface area of above range, so as to more quickly by the nocuousness in air
Substance is adsorbed onto the surface of above-mentioned adsorbent.
Moreover, can be at least part in the above-mentioned photochemical catalyst of surface adhesion of above-mentioned adsorbent.
Specifically, referring to Fig.1, the structure that there is the adsorbent 170 of above-mentioned adsorbent layer 120 a part to expose outside to layer.
At least part of above-mentioned adsorbent 170 can be penetrated into above-mentioned photocatalyst layer 110 as a result, so as to be formed and above-mentioned light
The structure of at least part adherency in catalyst 150.At least part in above-mentioned photochemical catalyst is adhered to above-mentioned adsorbent
Surface, so that the adsorption rate and degradation speed to harmful substance in air can be improved.
The partial size of above-mentioned adsorbent can be about 0.02 μm to about 1 μm.The partial size of above-mentioned adsorber particles is met the above range,
Thus it can ensure that the high-adhesiveness to above-mentioned adsorbent layer, and dispersed with suitable dispersion degree, it is excellent so as to show
Elegant adsorptivity.In the case where the partial size of above-mentioned adsorbent is less than above range, so that above-mentioned adsorbent is less than above-mentioned light and urges
Agent particle, in the case, the amount for being exposed to external adsorbent are less, can be difficult to realize effective absorption property
In the case where the partial size of above-mentioned adsorbent is greater than above range the uniformity of above-mentioned adsorbent layer and durable can occur for problem
The problem of property can decline.
The surface area and partial size of above-mentioned adsorbent are met the above range simultaneously respectively, so as to greatly improve in air simultaneously
Noxious substance effect and adsorbent layer the mechanical properties such as hardness, durability promotion effect.
In above-mentioned adsorbent layer, on the basis of the above-mentioned adsorbent of 100 parts by weight, it can include about 50 parts by weight to about 100
Above-mentioned second inorganic binder of parts by weight.
Above-mentioned adsorbent layer includes above-mentioned second inorganic binder of above-mentioned parts by weight range, thus above-mentioned adsorbent layer
Function will not decline and can realize hardness appropriate and promote durability.It is less than in the parts by weight of above-mentioned second inorganic binder
In the case where above range, it may occur that not can guarantee asking for the sufficient adhesive force between above-mentioned adsorbent layer and above-mentioned adsorbent
Topic, in the case where the parts by weight of above-mentioned second inorganic binder are greater than above range, the surface major part quilt of above-mentioned adsorbent
Above-mentioned second inorganic binder covering, so as to which the problem of absorption property of above-mentioned adsorbent can decline occurs.
Referring to Fig.1, above-mentioned optical catalyst filter 100 includes substrate layer 130 in the one side of above-mentioned adsorbent layer 120.
Above-mentioned substrate layer may include one in the group being made of non-woven fabrics, thin polymer film, glass substrate and their combination
Kind, and be not limited thereto.For example, above-mentioned substrate layer may include non-woven fabrics, in the case, with above-mentioned second inorganic binder
Between compatibility it is preferable, above-mentioned second inorganic binder is preferable to the adhesiveness of above-mentioned non-woven fabrics, and even if by physical punching
It hits and is also not easily stripped, so as to promote the durability of above-mentioned photochemical catalyst functionality filter.
Hereinafter, proposing specific embodiment of the invention.But the embodiment recorded as follows only for particular instantiation or is said
The bright present invention, is not intended to limit the present invention.
Preparation example
Preparation example 1: titanium dioxide binder is prepared
After isopropanol (IPA) and tetraisopropyl titanate (TTIP) are added into beaker and is mixed, nitric acid is placed into, is come
Prepare titanium dioxide binder colloidal sol.
Preparation example 2: photocatalyst coated liquid is prepared
Into above-mentioned titanium dioxide binder colloidal sol, addition is comprising nano platinum particle and partial size is within 30nm to 60nm
Multiple tungsten oxide photcatalysts (Pt/WO3) are simultaneously mixed, and preparation is wrapped on the basis of the tungsten oxide photcatalyst of 100 parts by weight
The photocatalyst coated liquid of above-mentioned titanium dioxide binder containing 100 parts by weight.
Preparation example 3: ethyl orthosilicate binder is prepared
After ethyl alcohol is added into beaker and mixes ethyl orthosilicate, prepare the solution for being mixed with hydrochloric acid and distilled water, it will be upper
It states solution to be injected into droplet morphology in the solution for being mixed with ethyl orthosilicate and ethyl alcohol, to prepare ethyl orthosilicate binder
Colloidal sol.
Preparation example 4: adsorbent coating liquid is prepared
Into above-mentioned ethyl orthosilicate binder colloidal sol add partial size be 0.02 μm to 1 μm within multiple zeolites and carry out
Mixing prepares the suction of the above-mentioned ethyl orthosilicate binder on the basis of the above-mentioned adsorbent of 100 parts by weight comprising 100 parts by weight
Attached dose of coating liquid.
Preparation example 5: photochemical catalyst aqueous solution is prepared
Into aqueous solution, addition is comprising nano platinum particle and partial size is multiple oxide photocatalysis within 30nm to 60nm
Agent, thus the photochemical catalyst aqueous solution of 10 weight percent concentrations of preparation.
Examples and Comparative Examples
Embodiment 1
Prepared above-mentioned adsorbent coating liquid is coated on the one side of the non-woven fabrics with a thickness of 1mm and carries out thermosetting
Change, to form the adsorbent layer with a thickness of 500nm, then applies prepared above-mentioned photocatalyst coated liquid again and carry out thermosetting
Change, to form the photocatalyst layer with a thickness of 500nm, so that filter be made.
Comparative example 1
Prepared above-mentioned adsorbent coating liquid is coated on the one side of the non-woven fabrics with a thickness of 1mm and carries out thermosetting
Change, to form the adsorbent layer with a thickness of 500nm, so that filter be made.
Comparative example 2
Prepared above-mentioned photocatalyst coated liquid is coated on the one side of the non-woven fabrics with a thickness of 1mm and carries out thermosetting
Change, to form the photocatalyst layer with a thickness of 500nm, so that filter be made.
Comparative example 3
Prepared above-mentioned adsorbent coating liquid is coated on the one side of the non-woven fabrics with a thickness of 1mm and carries out thermosetting
Change, to form the adsorbent layer with a thickness of 500nm, then applies prepared above-mentioned photochemical catalyst aqueous solution and carry out thermosetting
Change, to form photocatalyst layer, so that filter be made.
Comparative example 4
Coated on the nothing with a thickness of 10mm after prepared above-mentioned adsorbent coating liquid and photochemical catalyst aqueous solution are mixed
The one side of woven fabric simultaneously carries out heat cure, to form the heat-cured layer with a thickness of 500nm, so that filter be made.
Evaluation
Experimental example 1: pernicious gas degradation property detection
It is detected using cell test (Small chamber test) method (ISO 18560-1:2014), injects gas
Concentration is 0.1ppm, and light source is the white light emitting diode (white LED) of 1000lux.Its result is as recorded in the following table 1.
Experimental example 2: surface durability evaluation
After the long 5cm of surface adhesion of the functional filter of Examples and Comparative Examples, the cellophane tape of width 1.5cm again
It tears, the quality of the adsorbent or photochemical catalyst that are stripped is detected, compared to the adsorbent mixed by Examples and Comparative Examples
Or the quality of photochemical catalyst, in the case where the amount being stripped is 3%, surface durability be it is good, greater than 3% the case where
Under, surface durability is deficiency, and result is as recorded in the following table 1.
Table 1
Pernicious gas palliating degradation degree | Surface durability | |
Embodiment 1 | 93 | Well |
Comparative example 1 | 14 | Well |
Comparative example 2 | 81 | Well |
Comparative example 3 | 93 | It is insufficient |
Comparative example 4 | 23 | It is insufficient |
It can be confirmed that the photochemical catalyst functionality filter being prepared according to embodiment 1 realizes outstanding pernicious gas drop
Function is solved, pernicious gas degradation property achieved is greater than 90, and surface durability is good, to realize as photocatalysis
The best physical property of agent functionality filter.
On the contrary, can be confirmed that the functional filter being prepared according to comparative example 1 to comparative example 4 fails to meet 90 simultaneously
Above pernicious gas degradation function and good surface durability.
Specifically, in the case of comparative example 1, no photochemical catalyst can be confirmed and only carried out by adsorbent coating liquid
Filtration treatment, pernicious gas degradation property are then remarkably decreased.In the case where comparative example 4, it can be confirmed since adsorbent applies
The ethyl orthosilicate that liquid is included is exposed to surface and is difficult to be formed hydrophilic surface, to limit the body of properties of catalyst
It is existing.
In the case where comparative example 3, it can be confirmed due to replacing photochemical catalyst binder comprising photochemical catalyst aqueous solution
And surface durability is caused to decline.
The explanation of appended drawing reference:
100: photochemical catalyst functionality filter
110: photocatalyst layer
120: adsorbent layer
130: substrate layer
140: the first inorganic binders
150: photochemical catalyst
160: the second inorganic binders
170: adsorbent
210: metallic
220: metal oxide
Claims (15)
1. a kind of photochemical catalyst functionality filter, which is characterized in that
Successively include photocatalyst layer, adsorbent layer and substrate layer,
Above-mentioned photocatalyst layer includes:
With hydrophilic first inorganic binder;And
Photochemical catalyst,
Above-mentioned adsorbent layer includes:
Second inorganic binder different from above-mentioned first binder;And
Adsorbent.
2. photochemical catalyst functionality filter according to claim 1, which is characterized in that above-mentioned first inorganic binder packet
Include selected from by titanium dioxide binder, colloidal silicon, silica binder, alumina sol, zirconia sol and they
One of the group that group is combined into.
3. photochemical catalyst functionality filter according to claim 1, which is characterized in that above-mentioned first inorganic binder with
Contact angle between water is 0 ° to 20 °.
4. photochemical catalyst functionality filter according to claim 1, which is characterized in that above-mentioned photochemical catalyst includes metal
Oxide and metallic.
5. photochemical catalyst functionality filter according to claim 4, which is characterized in that above-mentioned metal oxide includes choosing
One of free oxidation titanium, tungsten oxide, zinc oxide, niobium oxide and group of their combination composition.
6. photochemical catalyst functionality filter according to claim 4, which is characterized in that above-mentioned metallic includes being selected from
It is made of tungsten, chromium, vanadium, molybdenum, copper, iron, cobalt, manganese, nickel, platinum, gold, silver, cerium, cadmium, zinc, magnesium, calcium, strontium, barium and their combination
One of group.
7. photochemical catalyst functionality filter according to claim 1, which is characterized in that the partial size of above-mentioned photochemical catalyst is
20nm to 100nm.
8. photochemical catalyst functionality filter according to claim 1, which is characterized in that in above-mentioned photocatalyst layer, with
On the basis of the above-mentioned photochemical catalyst of 100 parts by weight, above-mentioned first inorganic binder comprising 50 parts by weight to 100 parts by weight.
9. photochemical catalyst functionality filter according to claim 1, which is characterized in that the thickness of above-mentioned photocatalyst layer
It is 0.2 μm to 1 μm.
10. photochemical catalyst functionality filter according to claim 1, which is characterized in that above-mentioned second inorganic binder
Including selected from the group being made of ethyl orthosilicate, methyltrimethoxysilane, methyltriethoxysilane and their combination
One of.
11. photochemical catalyst functionality filter according to claim 1, which is characterized in that above-mentioned adsorbent includes being selected from
One of the group being made of active carbon, zeolite, apatite, aluminium oxide, silica and their combination.
12. photochemical catalyst functionality filter according to claim 1, which is characterized in that the partial size of above-mentioned adsorbent is
0.02 μm to 1 μm.
13. photochemical catalyst functionality filter according to claim 1, which is characterized in that in above-mentioned adsorbent layer, with
On the basis of the above-mentioned adsorbent of 100 parts by weight, above-mentioned second inorganic binder comprising 50 parts by weight to 100 parts by weight.
14. photochemical catalyst functionality filter according to claim 1, which is characterized in that the thickness of above-mentioned adsorbent layer
It is 0.2 μm to 1 μm.
15. photochemical catalyst functionality filter according to claim 1, which is characterized in that above-mentioned substrate layer includes being selected from
One of the group being made of non-woven fabrics, thin polymer film, glass substrate and their combination.
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2017
- 2017-06-08 WO PCT/KR2017/005950 patent/WO2017217693A1/en active Application Filing
- 2017-06-08 CN CN201780036766.7A patent/CN109310937B/en not_active Expired - Fee Related
- 2017-06-08 JP JP2018565279A patent/JP6726313B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000197827A (en) * | 1999-01-08 | 2000-07-18 | Kawasaki Steel Corp | Material for atmospheric air cleaning |
KR20150121279A (en) * | 2014-04-17 | 2015-10-29 | (주)엘지하우시스 | Environment-friendly functional film and the article applied the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111617633A (en) * | 2020-07-02 | 2020-09-04 | 江苏博霖环保科技有限公司 | Preparation method for composite degradation of VOCs (volatile organic compounds) by multi-shell photocatalyst and activated carbon |
Also Published As
Publication number | Publication date |
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KR101930709B1 (en) | 2018-12-20 |
JP6726313B2 (en) | 2020-07-22 |
CN109310937B (en) | 2021-11-23 |
WO2017217693A1 (en) | 2017-12-21 |
KR20170140845A (en) | 2017-12-22 |
JP2019520203A (en) | 2019-07-18 |
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