CN113907089A - Preparation method of compound air bactericide - Google Patents
Preparation method of compound air bactericide Download PDFInfo
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- CN113907089A CN113907089A CN202111139546.1A CN202111139546A CN113907089A CN 113907089 A CN113907089 A CN 113907089A CN 202111139546 A CN202111139546 A CN 202111139546A CN 113907089 A CN113907089 A CN 113907089A
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- aqueous solution
- compound air
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 41
- 150000001875 compounds Chemical class 0.000 title claims abstract description 39
- 239000003899 bactericide agent Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000013207 UiO-66 Substances 0.000 claims abstract description 90
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 65
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 44
- 229910007932 ZrCl4 Inorganic materials 0.000 claims abstract description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 254
- 239000007864 aqueous solution Substances 0.000 claims description 64
- 239000000047 product Substances 0.000 claims description 57
- 238000003756 stirring Methods 0.000 claims description 55
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 37
- 239000011259 mixed solution Substances 0.000 claims description 33
- 238000002156 mixing Methods 0.000 claims description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 22
- 239000002114 nanocomposite Substances 0.000 claims description 15
- 239000002270 dispersing agent Substances 0.000 claims description 12
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000011780 sodium chloride Substances 0.000 claims description 11
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical group [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 11
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000000645 desinfectant Substances 0.000 claims description 5
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 5
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 5
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 5
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical class [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 239000000661 sodium alginate Substances 0.000 claims description 4
- 235000010413 sodium alginate Nutrition 0.000 claims description 4
- 229940005550 sodium alginate Drugs 0.000 claims description 4
- 229940083575 sodium dodecyl sulfate Drugs 0.000 claims description 4
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 claims description 3
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical class CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920002907 Guar gum Polymers 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 claims description 3
- 229960001631 carbomer Drugs 0.000 claims description 3
- 239000001913 cellulose Chemical class 0.000 claims description 3
- 229920002678 cellulose Chemical class 0.000 claims description 3
- 229940116318 copper carbonate Drugs 0.000 claims description 3
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 239000000665 guar gum Substances 0.000 claims description 3
- 235000010417 guar gum Nutrition 0.000 claims description 3
- 229960002154 guar gum Drugs 0.000 claims description 3
- 239000011656 manganese carbonate Substances 0.000 claims description 3
- 235000006748 manganese carbonate Nutrition 0.000 claims description 3
- 229940093474 manganese carbonate Drugs 0.000 claims description 3
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 claims description 3
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 claims description 3
- 229920001522 polyglycol ester Polymers 0.000 claims description 3
- 239000003223 protective agent Substances 0.000 claims description 3
- 229910001958 silver carbonate Inorganic materials 0.000 claims description 3
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 claims description 3
- 239000011667 zinc carbonate Substances 0.000 claims description 3
- 235000004416 zinc carbonate Nutrition 0.000 claims description 3
- 229910000010 zinc carbonate Inorganic materials 0.000 claims description 3
- 229910000318 alkali metal phosphate Inorganic materials 0.000 claims description 2
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 2
- RAQDACVRFCEPDA-UHFFFAOYSA-L ferrous carbonate Chemical compound [Fe+2].[O-]C([O-])=O RAQDACVRFCEPDA-UHFFFAOYSA-L 0.000 claims description 2
- 229940068984 polyvinyl alcohol Drugs 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000006228 supernatant Substances 0.000 claims description 2
- 229960003943 hypromellose Drugs 0.000 claims 1
- QXLPXWSKPNOQLE-UHFFFAOYSA-N methylpentynol Chemical class CCC(C)(O)C#C QXLPXWSKPNOQLE-UHFFFAOYSA-N 0.000 claims 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 29
- 230000001954 sterilising effect Effects 0.000 abstract description 16
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 231100000956 nontoxicity Toxicity 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 230000001276 controlling effect Effects 0.000 abstract 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 241000894006 Bacteria Species 0.000 description 9
- 229910052709 silver Inorganic materials 0.000 description 9
- 239000004332 silver Substances 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 239000012621 metal-organic framework Substances 0.000 description 6
- 244000052616 bacterial pathogen Species 0.000 description 4
- QNVRIHYSUZMSGM-UHFFFAOYSA-N hexan-2-ol Chemical class CCCCC(C)O QNVRIHYSUZMSGM-UHFFFAOYSA-N 0.000 description 4
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- 108091005804 Peptidases Proteins 0.000 description 3
- 239000004365 Protease Substances 0.000 description 3
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000008557 oxygen metabolism Effects 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- 210000002345 respiratory system Anatomy 0.000 description 3
- -1 silver ions Chemical class 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 208000001840 Dandruff Diseases 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- YPJCVYYCWSFGRM-UHFFFAOYSA-H iron(3+);tricarbonate Chemical compound [Fe+3].[Fe+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YPJCVYYCWSFGRM-UHFFFAOYSA-H 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000193449 Clostridium tetani Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 208000006877 Insect Bites and Stings Diseases 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 241000187479 Mycobacterium tuberculosis Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229920001795 coordination polymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 235000021271 drinking Nutrition 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 235000005686 eating Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Dentistry (AREA)
- Inorganic Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Plant Pathology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a preparation method of a compound air bactericide, which comprises the following steps: (1) ZrCl4 and 2-amino-1, 4-phthalic acid are used for preparing a UiO-66 material, and the size of the generated UiO-66 is regulated and controlled by regulating the conditions such as the proportion of ZrCl4 and 2-amino-1, 4-phthalic acid, the reaction time and the like; (2) preparing a UiO-66/Ag composite material, fixing Ag particles on a frame pore channel and an outer wall of the UiO-66, controlling the using amount of AgNO3, and regulating and controlling the amount of Ag generated; (3) preparing a compound air bactericide material, dispersing UiO-66/Ag into a hypochlorous acid solution, and enhancing the bactericidal performance; the invention has stable property, no toxicity, no harm and good sterilization effect, and is a safe and effective compound air bactericide.
Description
Technical Field
The invention relates to an air bactericide, in particular to a preparation method of a compound air bactericide.
Background
Bacteria refer to one of the main groups of organisms, belonging to the bacterial domain. Is also the most abundant class of all organisms, and it is estimated that there are approximately 5 x 10^30 in total. The shape of the bacteria is quite diverse, mainly spherical, rod-like, and spiral. The bacteria have great influence on human activities, are pathogens of many diseases, can spread the diseases among normal human bodies through various modes, such as contact, alimentary canal, respiratory tract, insect bite and the like, have strong infectivity and have great harm to the society. Generally, the content of bacteria and viruses in indoor air is 5-10 times higher than that in outdoor air, and serious and even hundreds times higher. Bacteria and viruses in indoor air mainly originate from the following two aspects: firstly, the droplets can disperse microorganisms parasitizing the oral cavity and the throat of a person into the air in the form of droplets when the person breathes, speaks and sneezes deeply; and secondly, the average bacteria content of the scurf and the dust of the human body is calculated to reach 4 ten thousand, and the scurf and the dust can be suspended in the air to pollute the air along with the movement of the human body indoors, and particularly, when a patient is in the room, the corresponding pathogenic bacteria can be found in the air. Therefore, the air sterilization is an important means for controlling the spread of diseases and maintaining the health of human bodies.
The existing air sterilization technology has the defects of different types: ozone is used for air sterilization, ozone is toxic gas, and the excessive ozone can cause the respiratory system of a person to be obstructed, so that the ozone air sterilization device is required to be used in a sealing way, and the person can not stay in the environment with excessive ozone for too long time; plasma air sterilization is adopted, the system is complex and comprises a vacuum system, an exhaust filtering system, a plasma generating system and the like, the cost is high, and the plasma has great harm to human bodies and can be only used for sterilization in unmanned places; the negative ion air sterilization has an unobvious sterilization effect, the retention time of the negative ions in the air is short, the places with much dust are only retained for a few seconds, the negative ions are generated by high-voltage discharge, and a large amount of ozone is often generated during the high-voltage discharge, so that the human respiratory system is damaged; the photocatalyst air sterilization mainly utilizes ultraviolet light to irradiate the photocatalyst to generate the effect, and the ultraviolet light also has harm to human bodies. Therefore, there is a need for a novel air disinfectant which is harmless to human body and has broad-spectrum bactericidal effect.
Metal-organic framework Materials (MOFs) are coordination polymers which develop rapidly in the last decade, have three-dimensional pore structures, generally take metal ions as connecting points, and organic ligands support and form space 3D extension, are another important novel porous material besides zeolite and carbon nanotubes, and are widely applied to catalysis, energy storage and separation. The MOFs have rich designable structure types, permanent holes, ultra-high specific surface area and functionalized hole spaces, and are widely applied to the fields of gas storage and separation, catalysis, sensing, drug delivery and the like. It is the special property that the MOFs material not only can intercept and filter the pollution particles in the air, but also is expected to be used as a photocatalyst to degrade the air pollutants. In the MOF material, UiO-66 has higher high photocatalytic bactericidal activity.
Silver is a very powerful bacteria killing material, silver can kill bacteria without damaging beneficial bacteria and normal cells, because most pathogenic bacteria are unicellular microorganisms, and rely on protease to maintain metabolism and further propagate and influence normal cells, and an oxygen metabolism enzyme is also arranged in the protease, when silver meets the oxygen metabolism enzyme, the activity of the oxygen metabolism enzyme can rush away an electron of the silver, so that silver atoms are changed into positively charged silver ions, and the silver ions can attract the specific combination of thiol groups (-SH) with negative charges in the protease to effectively puncture cell walls and the appearance of cell membranes, further bacterial cells cannot breathe, metabolize and propagate because of protein denaturation until death, and the effect of sterilization is achieved. The survival time of the pathogenic bacteria is only dozens of minutes, the pathogenic bacteria can die naturally under the condition of incapable propagation, and the silver ions can return to the original electrons to be reduced into silver atoms. The bactericidal function of silver itself is not lost.
The UiO-66 is used for loading silver Ag, so that the large specific surface area of the MOF material can be utilized, the loading capacity of Ag is increased, the size of nano Ag can be reduced, and the sterilization effect of the nano Ag is further enhanced.
Hypochlorous acid is oxyacid containing chlorine element, has a chemical formula of HClO and a structural formula of H-O-Cl, wherein the valence of the chlorine element is + 1. It is only present in solution, and the dilute solution is colorless, a very weak acid, weaker than carbonic acid, and comparable to hydrogen sulfuric acid. Is widely used for disinfecting the surfaces of objects, polluted articles such as fabrics and the like, water, fruits, vegetables, eating and drinking utensils and the like. Besides the purposes, the disinfectant can also be used for disinfecting indoor air, surfaces of secondary water supply equipment facilities, hands, skin and mucous membranes.
Dispersing UiO-66/Ag in hypochlorous acid solution to wrap UiO-66/Ag with hypochlorous acid+The compound air bactericide has the advantages of stable property, no toxicity, no harm, good sterilization effect, safety and effectiveness.
Disclosure of Invention
The invention aims to provide a preparation method of a compound air bactericide.
The invention provides the following technical scheme:
a preparation method of a compound air bactericide is characterized by comprising the following steps:
1) preparation of UiO-66 Material
a. Preparing a DMF/HCl mixed solution: stirring DMF and HCl in different volume ratios by using a magnetic stirrer to obtain a DMF/HCl mixed solution;
b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a);
c. dissolving 2-amino-1, 4-phthalic acid in DMF;
d. mixing and stirring the products obtained in the step b) and the step c) together at normal temperature according to different molar ratios;
e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide);
f. solvent displacement of the product obtained in step e) with ethanol;
g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparation of UiO-66/Ag nano composite material
a. Dispersing UiO-66 powder in DMF;
b. mixing AgNO3Dispersed in DMF;
c. mixing AgNO3Adding the DMF solution into a DMF solution of UiO-66, stirring for 5min by using a magnetic stirrer, and standing for reaction;
d. centrifugally washing a DMF solution of UiO-66/Ag, removing supernatant, and drying for 48h by using a freeze dryer to obtain a UiO-66/Ag nano composite material;
3) preparation of compound air bactericide material
Electrolyzing sodium chloride and/or hydrochloric acid aqueous solution in an electrolytic tank with or without a diaphragm to generate hypochlorous acid aqueous solution with the pH value less than 7, adjusting the concentration of the hypochlorous acid aqueous solution, adding a dispersing agent and a protective agent into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding a certain proportion of UiO-66/Ag nano composite material, slowly stirring for 0.5-12 h until the aqueous solution is in a transparent colorless state, and adding a spraying matrix material into the aqueous solution.
Specifically, the method for adjusting the concentration of the hypochlorous acid aqueous solution comprises the steps of preparing hypochlorous acid by directly using a hypochlorous acid generator and adding the insoluble carbonate solid or the insoluble bicarbonate solid into the hypochlorous acid solution.
Specifically, the insoluble carbonate solid includes calcium carbonate, barium carbonate, zinc carbonate, manganese carbonate, iron carbonate, copper carbonate, and silver carbonate.
Specifically, the bicarbonate solid comprises sodium bicarbonate.
Specifically, the dispersant is an organic dispersant or an inorganic dispersant.
Specifically, the inorganic dispersant includes silicates and alkali metal phosphates.
Specifically, the organic dispersant comprises triethyl hexyl phosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, cellulose derivatives, polyacrylamide, Guel gum and fatty acid polyglycol ester.
Specifically, the spray matrix is one of hydroxypropyl methylcellulose, carbomer, sodium alginate and polyvinyl alcohol.
Specifically, the protective agent is sodium thiosulfate.
The invention has the beneficial effects that:
according to the invention, the size of UiO-66 is adjusted, and the loading capacity of Ag is controlled, so that the composite material of UiO-66/Ag is prepared; dispersing UiO-66/Ag in hypochlorous acid solution to wrap UiO-66/Ag with hypochlorous acid+The compound air bactericide has the advantages of stable property, no toxicity, no harm, good sterilization effect, safety and effectiveness.
Detailed Description
Example 1
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 1, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1, mixing and stirring together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 1, stirring for 5min by using a magnetic stirrer, and standing for reaction for 2 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing a sodium chloride aqueous solution in an electrolytic tank to generate a hypochlorous acid aqueous solution with the pH value of 6.2, adding calcium carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 50ppm, adding triethylhexylphosphoric acid and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 25% of UiO-66/Ag nano composite material, slowly stirring for 0.5h until the aqueous solution is in a transparent colorless state, and adding hydroxypropyl methylcellulose into the solution.
Example 2
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 2, stirring the DMF and the HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1.5, mixing and stirring together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 2, stirring for 5min by using a magnetic stirrer, and standing for reaction for 4 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing sodium chloride aqueous solution in an electrolytic tank to generate hypochlorous acid aqueous solution with pH of 6.4, adding barium carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 30ppm, adding sodium dodecyl sulfate and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 30% UiO-66/Ag nano composite material, slowly stirring for 1h until the aqueous solution is in a transparent colorless state, and adding carbomer.
Example 3
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 3, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 2, mixing and stirring the components together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 3, stirring for 5min by using a magnetic stirrer, and standing for reaction for 6 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing sodium chloride aqueous solution in an electrolytic tank to generate hypochlorous acid aqueous solution with pH of 6.3, adding zinc carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 60ppm, adding methyl amyl alcohol and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 15% UiO-66/Ag nano composite material, slowly stirring for 2h until the aqueous solution is in a transparent colorless state, and adding sodium alginate into the aqueous solution.
Example 4
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 4, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1, at normal temperatureMixing and stirring the components together; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 1, stirring for 5min by using a magnetic stirrer, and standing for reaction for 8 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing sodium chloride aqueous solution in an electrolytic tank to generate hypochlorous acid aqueous solution with pH of 6.5, adding manganese carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 70ppm, adding cellulose derivative and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 10% UiO-66/Ag nano composite material, slowly stirring for 4h until the aqueous solution is transparent and colorless, and adding polyvinyl alcohol.
Example 5
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 1, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1.5, mixing and stirring together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 2, stirring for 5min by using a magnetic stirrer, and standing for reaction for 10 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing a sodium chloride aqueous solution in an electrolytic tank to generate a hypochlorous acid aqueous solution with the pH value of 6.6, adding ferric carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 60ppm, adding polyacrylamide and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding a 5% UiO-66/Ag nano composite material, slowly stirring for 6h until the aqueous solution is in a transparent colorless state, and adding hydroxypropyl methylcellulose into the aqueous solution.
Example 6
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 2, stirring the DMF and the HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 2, mixing and stirring the components together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 3, stirring for 5min by using a magnetic stirrer, and standing for reaction for 12 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing a sodium chloride aqueous solution in an electrolytic bath to generate a hypochlorous acid aqueous solution with the pH value of 6.4, adding copper carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 40ppm, adding guar gum and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 30% UiO-66/Ag nano composite material, slowly stirring for 6h until the aqueous solution is in a transparent colorless state, and adding hydroxypropyl methylcellulose into the aqueous solution.
Example 7
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 1, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1, mixing and stirring together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 1, stirring for 5min by using a magnetic stirrer, and standing for reaction for 24 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing a sodium chloride aqueous solution in an electrolytic tank to generate a hypochlorous acid aqueous solution with the pH value of 6.7, adding silver carbonate to adjust the concentration of the hypochlorous acid aqueous solution to be 30ppm, adding fatty acid polyglycol ester and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 20% of UiO-66/Ag nano composite material, slowly stirring for 12h until the aqueous solution is in a transparent colorless state, and adding sodium alginate.
Example 8
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 1, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. dissolving 2-amino-1, 4-phthalic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1, mixing and stirring together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 1, stirring for 5min by using a magnetic stirrer, and standing for reaction for 2 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing sodium chloride aqueous solution in an electrolytic tank to generate hypochlorous acid aqueous solution with pH of 6.8, adding ferric carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 80ppm, adding sodium dodecyl sulfate and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 5% UiO-66/Ag nano composite material, slowly stirring for 5h until the aqueous solution is in a transparent colorless state, and adding polyacrylamide into the aqueous solution.
Example 9
A preparation method of a compound air bactericide comprises the following steps:
1) preparation of UiO-66 Material: a. preparing a DMF/HCl mixed solution: using a magnetic stirrer, the ratio of volume to volume is 1: 1, stirring DMF and HCl to obtain a DMF/HCl mixed solution; b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a); c. 2-amino-1, 4-benzeneDissolving dicarboxylic acid in DMF; d. the products obtained in step b) and step c) are mixed in a molar ratio of 1: 1.5, mixing and stirring together at normal temperature; e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide); f. solvent displacement of the product obtained in step e) with ethanol; g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparing a UiO-66/Ag composite material: a. dispersing UiO-66 powder in DMF; b. mixing AgNO3Dispersed in DMF; c. mixing AgNO3Is added to the DMF solution of UiO-66, wherein AgNO3And UiO-66 in a molar ratio of 1: 2, stirring for 5min by using a magnetic stirrer, and standing for reaction for 10 h; d. centrifugally washing the prepared UiO-66/Ag composite material, and drying for 48 hours by using a freeze dryer to obtain the composite material;
3) preparing a compound air bactericide material: electrolyzing sodium chloride aqueous solution in an electrolytic tank to generate hypochlorous acid aqueous solution with pH of 6.2, adding calcium carbonate to adjust the concentration of the hypochlorous acid aqueous solution to 40ppm, adding guar gum and sodium thiosulfate into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding 15% UiO-66/Ag nano composite material, slowly stirring for 8h until the aqueous solution is in a transparent colorless state, and adding polyvinyl alcohol into the aqueous solution.
[ TABLE 1 ]
Sterilizing rate (%) | Pneumococcus | Mycobacterium tuberculosis | Clostridium tetani |
Example 1 | 99.2 | 99.6 | 99.5 |
Example 2 | 99.4 | 99.4 | 99.7 |
Example 3 | 99.1 | 99.6 | 99.3 |
Example 4 | 98.7 | 99.5 | 99.5 |
Example 5 | 98.6 | 99.0 | 99.2 |
Example 6 | 98.9 | 99.4 | 99.6 |
Example 7 | 99.0 | 99.3 | 99.7 |
Example 8 | 99.4 | 99.2 | 99.8 |
Example 9 | 99.7 | 99.1 | 99.2 |
Comparison product | 98.5 | 99.0 | 99.2 |
As shown in table 1 above, the sterilization rate of the compound air disinfectant provided by the present invention is higher than that of the mainstream products in the market.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A preparation method of a compound air bactericide is characterized by comprising the following steps:
1) preparation of UiO-66 Material
a. Preparing a DMF/HCl mixed solution: stirring DMF and HCl in different volume ratios by using a magnetic stirrer to obtain a DMF/HCl mixed solution;
b. reacting ZrCl4Dissolving in the mixed solution prepared in the step a);
c. dissolving 2-amino-1, 4-phthalic acid in DMF;
d. mixing and stirring the products obtained in the step b) and the step c) together at normal temperature according to different molar ratios;
e. centrifuging the product obtained in step d), and washing the product for multiple times by using DMF (dimethyl formamide);
f. solvent displacement of the product obtained in step e) with ethanol;
g. drying the product obtained in the step f) in an oven at 120 ℃ for later use;
2) preparation of UiO-66/Ag nano composite material
a. Dispersing UiO-66 powder in DMF;
b. mixing AgNO3Dispersed in DMF;
c. mixing AgNO3Adding the DMF solution into a DMF solution of UiO-66, stirring for 5min by using a magnetic stirrer, and standing for reaction;
d. centrifugally washing a DMF solution of UiO-66/Ag, removing supernatant, and drying for 48h by using a freeze dryer to obtain a UiO-66/Ag nano composite material;
3) preparation of compound air bactericide material
Electrolyzing sodium chloride and/or hydrochloric acid aqueous solution in an electrolytic tank with or without a diaphragm to generate hypochlorous acid aqueous solution with the pH value less than 7, adjusting the concentration of the hypochlorous acid aqueous solution, adding a dispersing agent and a protective agent into the hypochlorous acid aqueous solution, slowly pre-stirring for 5min, adding a certain proportion of UiO-66/Ag nano composite material, slowly stirring for 0.5-12 h until the aqueous solution is in a transparent colorless state, and adding a spraying matrix material into the aqueous solution.
2. The method for preparing a compound air bactericide as claimed in claim 1, wherein the method for adjusting the concentration of the hypochlorous acid aqueous solution comprises preparing hypochlorous acid directly using a hypochlorous acid generator and adding the sparingly soluble carbonate solid or the sparingly soluble bicarbonate solid to the hypochlorous acid solution.
3. The method for preparing a compound air disinfectant as claimed in claim 2, wherein the insoluble carbonate solid comprises calcium carbonate, barium carbonate, zinc carbonate, manganese carbonate, iron carbonate, copper carbonate, and silver carbonate.
4. The method of claim 2, wherein the bicarbonate solid comprises sodium bicarbonate.
5. The preparation method of the compound air bactericide as claimed in claim 1, wherein the dispersant is an organic dispersant or an inorganic dispersant.
6. The method for preparing a compound air bactericide as claimed in claim 5, wherein the inorganic dispersant comprises silicates and alkali metal phosphates.
7. The method for preparing a compound air disinfectant as recited in claim 5, wherein said organic dispersant comprises triethylhexylphosphoric acid, sodium dodecylsulfate, methylpentanol, cellulose derivatives, polyacrylamide, guar gum, and fatty acid polyglycol ester.
8. The method for preparing a compound air bactericide as claimed in claim 1, wherein the spray matrix is one of hypromellose, carbomer, sodium alginate and polyvinyl alcohol
9. The method for preparing a compound air bactericide as claimed in claim 1, wherein the protectant is sodium thiosulfate.
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