CN109757514A - A kind of antibacterial agent and preparation method thereof - Google Patents
A kind of antibacterial agent and preparation method thereof Download PDFInfo
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- CN109757514A CN109757514A CN201910143735.2A CN201910143735A CN109757514A CN 109757514 A CN109757514 A CN 109757514A CN 201910143735 A CN201910143735 A CN 201910143735A CN 109757514 A CN109757514 A CN 109757514A
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- Prior art keywords
- photocatalysis
- lotion
- antibacterial agent
- antibacterial
- material support
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- 239000003242 anti bacterial agent Substances 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 123
- 230000001699 photocatalysis Effects 0.000 claims abstract description 58
- 238000007146 photocatalysis Methods 0.000 claims abstract description 58
- 239000006210 lotion Substances 0.000 claims abstract description 53
- 235000013305 food Nutrition 0.000 claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 229940088710 antibiotic agent Drugs 0.000 claims abstract description 13
- 230000000845 anti-microbial effect Effects 0.000 claims abstract description 12
- 229920003169 water-soluble polymer Polymers 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 31
- 238000006555 catalytic reaction Methods 0.000 claims description 26
- 238000000498 ball milling Methods 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 229910052755 nonmetal Inorganic materials 0.000 claims description 15
- 239000004408 titanium dioxide Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000003115 biocidal effect Effects 0.000 claims description 10
- 239000002808 molecular sieve Substances 0.000 claims description 10
- 229920001451 polypropylene glycol Polymers 0.000 claims description 10
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 10
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- 239000004964 aerogel Substances 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 5
- 229910052797 bismuth Inorganic materials 0.000 claims description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 239000004113 Sepiolite Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 235000010407 ammonium alginate Nutrition 0.000 claims description 4
- 239000000728 ammonium alginate Substances 0.000 claims description 4
- KPGABFJTMYCRHJ-YZOKENDUSA-N ammonium alginate Chemical compound [NH4+].[NH4+].O1[C@@H](C([O-])=O)[C@@H](OC)[C@H](O)[C@H](O)[C@@H]1O[C@@H]1[C@@H](C([O-])=O)O[C@@H](O)[C@@H](O)[C@H]1O KPGABFJTMYCRHJ-YZOKENDUSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 4
- 235000010408 potassium alginate Nutrition 0.000 claims description 4
- 239000000737 potassium alginate Substances 0.000 claims description 4
- MZYRDLHIWXQJCQ-YZOKENDUSA-L potassium alginate Chemical compound [K+].[K+].O1[C@@H](C([O-])=O)[C@@H](OC)[C@H](O)[C@H](O)[C@@H]1O[C@@H]1[C@@H](C([O-])=O)O[C@@H](O)[C@@H](O)[C@H]1O MZYRDLHIWXQJCQ-YZOKENDUSA-L 0.000 claims description 4
- 229910052624 sepiolite Inorganic materials 0.000 claims description 4
- 235000019355 sepiolite Nutrition 0.000 claims description 4
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 235000015424 sodium Nutrition 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 235000010443 alginic acid Nutrition 0.000 claims 1
- 239000000783 alginic acid Substances 0.000 claims 1
- 229920000615 alginic acid Polymers 0.000 claims 1
- 229960001126 alginic acid Drugs 0.000 claims 1
- 150000004781 alginic acids Chemical class 0.000 claims 1
- 239000006261 foam material Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 35
- 238000004332 deodorization Methods 0.000 abstract description 16
- 239000003795 chemical substances by application Substances 0.000 abstract description 10
- 235000013399 edible fruits Nutrition 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 9
- 235000013311 vegetables Nutrition 0.000 abstract description 9
- 239000002781 deodorant agent Substances 0.000 abstract description 8
- 230000001877 deodorizing effect Effects 0.000 abstract description 8
- 235000011888 snacks Nutrition 0.000 abstract description 8
- 229940079593 drug Drugs 0.000 abstract description 7
- 239000003814 drug Substances 0.000 abstract description 7
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 6
- 238000001228 spectrum Methods 0.000 abstract description 5
- 230000001954 sterilising effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229960000935 dehydrated alcohol Drugs 0.000 description 8
- -1 polyethylene Polymers 0.000 description 6
- 239000011343 solid material Substances 0.000 description 6
- 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 description 4
- 241000894006 Bacteria Species 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 239000004965 Silica aerogel Substances 0.000 description 4
- 239000012876 carrier material Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
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- 235000010413 sodium alginate Nutrition 0.000 description 4
- 239000000661 sodium alginate Substances 0.000 description 4
- 229940005550 sodium alginate Drugs 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 229910021642 ultra pure water Inorganic materials 0.000 description 4
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- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000002070 germicidal effect Effects 0.000 description 2
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- 230000002045 lasting effect Effects 0.000 description 2
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- 231100000252 nontoxic Toxicity 0.000 description 2
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- 238000012856 packing Methods 0.000 description 2
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229910000014 Bismuth subcarbonate Inorganic materials 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- UGVKQBKFTXCCNB-UHFFFAOYSA-N [Bi]=O.[Br] Chemical compound [Bi]=O.[Br] UGVKQBKFTXCCNB-UHFFFAOYSA-N 0.000 description 1
- AHUBLGVDRKDHAT-UHFFFAOYSA-N [Bi]=O.[Cl] Chemical compound [Bi]=O.[Cl] AHUBLGVDRKDHAT-UHFFFAOYSA-N 0.000 description 1
- URVGHPZOLQFKJZ-UHFFFAOYSA-N [Bi]=O.[I] Chemical compound [Bi]=O.[I] URVGHPZOLQFKJZ-UHFFFAOYSA-N 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- FZFYOUJTOSBFPQ-UHFFFAOYSA-M dipotassium;hydroxide Chemical compound [OH-].[K+].[K+] FZFYOUJTOSBFPQ-UHFFFAOYSA-M 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- OUUQCZGPVNCOIJ-UHFFFAOYSA-N hydroperoxyl Chemical compound O[O] OUUQCZGPVNCOIJ-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
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- 239000006262 metallic foam Substances 0.000 description 1
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- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 description 1
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The present invention relates to antimicrobial technology field more particularly to antibacterial agents and preparation method thereof.The antibacterial agent is made of photocatalysis lotion and material support；Material support is porous material；The photocatalysis lotion includes: 10-50 parts of photochemical catalyst；45-50 parts of solvent；0.5-1 parts of water-soluble polymer；1-1.5 parts of dispersing agent.The antibacterial agent of the embodiment of the present invention, by the original stability of antibacterial agent, long-term effect, high efficiency and its spectrum combine, the shortcomings that overcoming the antibacterial agent of organic antibacterial agent and other inorganics, have the function of antibacterial and sterilization, and product is ep-type material, it is beneficial to living environment and ecological environment, it can be used in food, drug, fruits and vegetables, fresh equal fields, suitable for food antibacterial packet, the directions such as snacks antibacterial agent, suitable for fruit freshness preserving antibacterial agent, the directions such as fresh-keeping of vegetables packet, suitable for shoe chest deodorant, shoe chest deodorization, lavatory antibacterial packet, peculiar smell removal agent, the deodorizing antibiotics such as deodorization box for refrigerator direction.
Description
Technical field
The present invention relates to antimicrobial technology fields, more particularly, to a kind of antibacterial agent and preparation method thereof.
Background technique
With the increasingly raising of the living standard of the people, increasingly by public concern, packaged food exists food safety
During transport and for a long time storage, various bacteriums are inevitably bred, and make food apoilage, influence masses
Health.Antibacterial agent can largely sterilize antibacterial, prevent food putrid and deteriorated in storage and transportational process,
Antibacterial agent is added in existing major part packing articles.
Inventor has found in the implementation of the present invention: when traditional antibacterial agent is applied in packaging material for food, because
The cumbersome harshness of its processing technology, processing performance gap is larger, when so that traditional antibacterial agent being applied in packaging material for food, at
This is higher, and its antibiotic property, to stablize the performances such as new poor.Therefore, traditional technology has much room for improvement.
Summary of the invention
The embodiment of the present invention aims to solve the problem that traditional food antibacterial packing agent high production cost, the technology of antibacterial stability difference
Problem.
In order to solve the above technical problems, a technical solution used in the embodiment of the present invention is: providing a kind of antibacterial agent
Preparation method.The preparation method includes:
In the ratio of setting, catalysis material, auxiliary agent and solvent are put into reactor, prepare photocatalysis cream
Liquid；Material support is mixed with the photocatalysis lotion, prepares the antibacterial agent.
Optionally, described to prepare photocatalysis lotion, specifically include: in the reactor catalysis material, help
Agent and solvent carry out ball milling and stirring, prepare the photocatalysis lotion.
It is optionally, described to mix material support with the photocatalysis lotion when material support is foam class material,
The antibacterial agent is prepared, is specifically included:
The material support is immersed in repeatedly in the photocatalysis lotion, or the photocatalysis lotion is sprayed repeatedly
On the material support.
Optionally, it is described to carry material when the material support is the porous class material that size is less than the foamed material
Body is mixed with the photocatalysis lotion, is prepared the antibacterial agent, is specifically included:
After the material support is added in the photocatalysis lotion, ball milling mixing；Light after the dry ball milling mixing
Catalytic emulsion prepares the antibacterial agent.
Optionally, described to mix material support with the photocatalysis lotion when material support is dusty material, system
It is standby to obtain the antibacterial agent, it specifically includes:
The material support is added in the photocatalysis lotion and mixes；The dry photocatalysis lotion, prepares
Antimicrobial powder；The antimicrobial powder is put into Granulation Equipments, the anti-biotic material of one or more pre-set dimension is prepared.
Optionally, the photochemical catalyst is selected from nano nonmetal catalysis material, nonmetal doping catalysis material, alkali gold
Category or alkaline earth metal doping non-metal optical catalysis material, metal organic framework compound, nanometer bismuth system oxide, titanium dioxide,
Tungstic acid, tin oxide, zirconium dioxide, manganese oxide, di-iron trioxide, modified nano-titanium dioxide, multicomponent compound and
One or more of metal organic frame modified nano zinc oxide
Optionally, the auxiliary agent includes dispersing agent and water-soluble polymer；The dispersing agent is selected from calgon, seaweed
One of sour sodium, potassium alginate or ammonium alginate are a variety of.
Optionally, the water-soluble polymer is selected from polyvinyl alcohol, POLYPROPYLENE GLYCOL, acrylonitrile waterborne polymeric or polyethylene
One of pyrrolidones is a variety of.
In order to solve the above technical problems, another technical solution used in the embodiment of the present invention is: a kind of antibacterial agent is provided,
And product is ep-type material, is beneficial to living environment and ecological environment, is widely used in the neck such as food, drug, fruits and vegetables, fresh
Domain is suitable for the directions such as food antibacterial packet, snacks antibacterial agent, is suitable for the directions such as fruit freshness preserving antibacterial agent, fresh-keeping of vegetables packet, fits
For deodorizing antibiotics directions such as shoe chest deodorant, shoe chest deodorization, lavatory antibacterial packet, peculiar smell removal agent, deodorization box for refrigerator.
The raw material components of the antibacterial agent include that photocatalysis lotion and the material for loading the photocatalysis lotion carry
Body；The material support is porous material so as to be fixed on the surface of the material support after photocatalysis lotion drying:
Optionally, the material support include: molecular sieve, zeolite, mullite, medical stone, sepiolite, foam class material,
Fibrous material, textile material, white carbon black, active carbon or aerogel material.
Antibacterial agent provided in an embodiment of the present invention uses photochemical catalyst as antimicrobial component, long by its original stability
Effect property, high efficiency and its spectrum combine, and overcome lacking for traditional organic antibacterial agent and the antibacterial agent of other inorganics
Point has the function of powerful antibacterial and sterilization, and product is ep-type material, is beneficial to living environment and ecological environment,
It can be widely applied for the fields such as food, drug, fruits and vegetables, fresh, be suitable for the directions such as food antibacterial packet, snacks antibacterial agent, be applicable in
In directions such as fruit freshness preserving antibacterial agent, fresh-keeping of vegetables packets, suitable for shoe chest deodorant, shoe chest deodorization, lavatory antibacterial packet, eliminate the unusual smell
The deodorizing antibiotics such as agent, deodorization box for refrigerator direction.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element.It removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the method flow diagram of the preparation method of the antibacterial agent of the specific embodiment of the invention.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
The numerical value disclosed in the embodiment of the present invention is approximation, and and non-determined value.Allow in error or experiment condition
In the case where, it may include all values in error range and be not limited to specific value disclosed in the embodiment of the present invention.
The numberical range disclosed in the embodiment of the present invention is for indicating the relative quantity of component in the mixture and its other party
The range of the temperature or other parameters enumerated in method embodiment.One or more numerical point in the numberical range is appropriate
Under conditions of obtain.
Artificial synthesized anti-biotic material can be divided into inorganic and organic two major classes, since there are antibacterials for organic anti-biotic material
Property it is weak, heat resistance, stability are poor, itself decomposition product and volatile matter may be harmful to the human body etc., and determination limits its use.
And traditional inorganic anti-biotic material is then by silver zeolite, active carbon of silver, the composition such as silver-colored silica gel, inorganic antibacterial material due to cost too
Height also limits its use.And catalysis material is as environmentally friendly material, is the basis of photocatalysis technology, is to realize light
It is catalyzed the premise of reaction.In recent years with the attention of photocatalysis technology, based on the photocatalysis technology of natural light, with it, low energy consumption, ring
The features such as border is friendly is concerned by people, and environmentally friendly material becomes the new side of air cleaning plastics research and application
To.
Select both environmentally friendly in antibacterial agent provided in an embodiment of the present invention, cost again answer as antibacterial agent by cheap photochemical catalyst
For in packaging material for food.The antibacterial agent of photocatalysis class is by the original stability of antibacterial agent, long-term effect, high efficiency, spectrum
The shortcomings that combining, and overcoming the antibacterial agent of traditional organic antibacterial agent and other inorganics.
Fig. 1 is the method flow diagram of the preparation method of antibacterial agent provided in an embodiment of the present invention.As shown in Figure 1, the side
Method may include steps of:
100, in the ratio of setting, catalysis material, auxiliary agent and solvent is put into reactor, photocatalysis is prepared
Lotion.
According to the needs of practical application, the photochemical catalyst can be selected from nano nonmetal catalysis material, nonmetallic to mix
Veiling glare catalysis material, alkali or alkaline earth metal adulterate non-metal optical catalysis material, metal organic framework compound, nanometer bismuth system
Oxide, titanium dioxide, tungstic acid, tin oxide, zirconium dioxide, manganese oxide, di-iron trioxide, modified nano-titanium dioxide,
One or more of metal organic frame modified nano zinc oxide and multicomponent compound.
Wherein, the alkali or alkaline earth metal can be potassium monoxide or carbonitride.The metal organic framework chemical combination
Object can be net metal, organic framework material or class zeolite imidazole skeleton material etc..
The bismuth system oxide can be bismuth oxide, chlorine oxygen bismuth, bismuthyl carbonate, bromine oxygen bismuth, iodine oxygen bismuth etc..It is described to change
Property titanium dioxide can be nitrogen-doped titanium dioxide, sulfur doping titanium dioxide, oxygen defect titanium dioxide, photosensitizer type titanium dioxide
Etc. different titanium dioxide.The multicomponent compound can be selected from tungstic acid/titanium deoxide catalyst, graphene/titanium dioxide
The catalyst that titanium catalyst and graphene/carbon nitride catalyst etc. are compounded to form by multicomponent.
Preferably, in order to provide better photocatalytic activity and antibacterial, antibacterial effect, the photochemical catalyst is N doping two
Titanium oxide or non-metal optical catalysis material.
The solvent can be the aqueous medium of any suitable type such as dehydrated alcohol, ultrapure water, the basis as lotion
Ingredient.
The auxiliary agent can select the auxiliary agent using any suitable species according to the needs of actual conditions.In some implementations
In example, which may include waterborne polymeric and dispersing agent.
Wherein, the water-soluble polymeric is selected from polyvinyl alcohol, POLYPROPYLENE GLYCOL, acrylonitrile waterborne polymeric or polyvinyl pyrrole
One of alkanone is a variety of.Exceptionally, the polyethylene fraction of the water-soluble polymer is also for the groups such as the polyvinyl alcohol except above-mentioned record
Polyethylene, polypropylene, polystyrene, polyethylene terephthalate and polycarbonate, poly 1-butene, poly- 4- first can be selected from
Copolymer, the propylene copolymerization of base -1- amylene, polyvinyl chloride, ethylene-vinyl acetate copolymer, ethylene-acrylic acid or acrylate
One of object and cyclic olefin polymer are a variety of.The dispersing agent is selected from calgon, sodium alginate, potassium alginate or sea
One of ammonium alginate is a variety of.
Specifically, the reactor can be any suitable mixing and dispersing device, inside reactor can be will be added to
Raw material (photochemical catalyst, water-soluble polymer, dispersing agent and solvent) carry out ball milling and stirring, prepare stable dispersion
System-photocatalysis lotion.
200, material support is mixed with the photocatalysis lotion, prepares the antibacterial agent.
The material support can select porous material.Porous material as material support in use, have it is porous, compare table
Area is big, absorption property is good, nontoxic and chemical property is stable and does not destroy antimicrobial component with spies such as lasting sustained release performances
Point.
In some embodiments, being specifically chosen the porous material used may include: molecular sieve, zeolite, mullite, wheat meal
Stone, sepiolite, foam class material, fibrous material, textile material, white carbon black, active carbon and aerogel material etc..
Wherein, the molecular sieve can be A type molecular sieve, X-type molecular sieve or Y type molecular sieve etc..Sepiolite is a kind of fibre
Tie up the hydrous magnesium silicate of shape.It is layer chain structure, has good absorption property etc..The foam class material is that size is larger
A polyporous materials, can be foamed ceramics, ceramic honey comb and metal foam class material (such as nickel foam or foam copper).
The fibrous material includes glass fiber material or Polyester Fibers etc., and the aerogel material can be graphene aerogel
Or silica aerogel etc..
According to the different materials carrier specifically selected, corresponding hybrid mode can be used, it is mixed with photocatalysis lotion
It closes, loads photocatalysis lotion by the material support.Standard according to the size of material support as classification below,
The hybrid mode of the material support of three kinds of different Dimension Types is described in detail.
In some embodiments, it when the material support is selected using some larger-size foam class materials, can adopt
It is impregnated or spraying method with multiple, the material support is immersed in repeatedly in the photocatalysis lotion, or by the light
Catalytic emulsion is sprayed on repeatedly on the material support, loads to it on material support.
Due to the large specific surface area of foam class material, repeatedly impregnates in this way or spraying method can be with payload photocatalysis
Material, to enhance antibacterial effect.
In further embodiments, smaller using size in carrier selection, less than the porous class of the foamed material
When material, specific hybrid mode are as follows: firstly, after the material support is added in the photocatalysis lotion, ball milling mixing.So
Afterwards, the photocatalysis lotion after the dry ball milling mixing, prepares the antibacterial agent.
The size of this polyporous materials is consistent, and the adsorption capacity of itself is also relatively strong.It cooperates with catalysis material, can
So that anti-microbial property is further strengthened.
In yet other embodiments, when the material support selects dusty material, specific hybrid mode are as follows: firstly,
The material support is added in the photocatalysis lotion and mixes.Then, the dry photocatalysis lotion, prepares antibacterial
Powder.Finally, the antimicrobial powder is put into Granulation Equipments, the antibacterial material of one or more pre-set dimension is prepared
Material.
Although the process is more complicated for the hybrid mode, fastness is stronger, and the antibacterial of catalysis material can be allowed special
Property is fully played.
Preparation method provided in an embodiment of the present invention, preparation condition is mild, and preparation method is simple, low in cost, production
Simple process is easily-controllable, it can be achieved that industrialized production, and photocatalyst activity is excellent, can be widely applied for food packaging applications.
Based on the preparation method that above embodiments disclose, the embodiment of the invention also provides a kind of applied to food packaging
Antibacterial agent.Material support of the antibacterial agent by photocatalysis lotion and for loading the photocatalysis lotion forms.
Wherein, the material support is porous material.And the antibacterial agent includes the raw material components of following parts by weight: light
10-50 parts of catalyst；45-50 parts of solvent；0.5-1 parts of water-soluble polymer；1-1.5 parts of dispersing agent.
On its surface redox reaction can occur for the photochemical catalyst under illumination condition, and on the one hand its hole can be with
The H2O or OH-ion of adsorption react the activity hydroxy to form superpower oxidisability, and on the one hand its electronics can then be inhaled with surface
Attached oxygen molecule and H2O reaction, generate perhydroxyl radical and hydrogen peroxide.Activity hydroxy, perhydroxyl radical and hydrogen peroxide obtained above etc.
It can be reacted with large biological molecule, to generate damage to biological cell structure, bacterio protein be caused to make a variation, realize antibacterial effect
Fruit.
Wherein, the photochemical catalyst nitrogen-doped titanium dioxide, bismuth system oxide, non-metal optical catalysis material, alkali metal or
One of alkaline earth metal doping non-metal optical catalysis material is a variety of；Preferably, the photochemical catalyst is N doping titanium dioxide
Titanium or non-metal optical catalysis material.
The antibacterial agent of the embodiment of the present invention is mainly water-soluble antimicrobial, therefore can be selected suitable water-soluble molten
Agent and water-soluble polymer dissolve the antibacterial agent.In embodiment once, the water-soluble solvent is dehydrated alcohol, ultrapure
Water etc.；The water-soluble poly is combined into one in polyvinyl alcohol, POLYPROPYLENE GLYCOL, acrylonitrile waterborne polymeric or polyvinylpyrrolidone
Kind is a variety of.
The dispersing agent is for decomposing the photochemical catalyst, can be dissolved in the solvent, in some embodiments,
The dispersing agent is one of calgon, sodium alginate, potassium alginate or ammonium alginate or a variety of.
Material support is the carrier for being loaded with the catalysis material of antibacterial functions.It is under illumination condition, release
Antibacterial ion or reactive oxygen species out generate antibacterial and bactericidal effect.
When porous class material is as material support, have porous, large specific surface area, absorption property good, nontoxic and chemically
Matter is stable and does not destroy antimicrobial component and has the characteristics that lasting sustained release performance.
The embodiment of the present invention uses photochemical catalyst as antibacterial agent, by the original stability of antibacterial agent, long-term effect, high efficiency
The shortcomings that combining with its spectrum, overcoming the antibacterial agent of traditional organic antibacterial agent and other inorganics there is antibacterial
With the function of sterilization, it can be widely applied for food packaging applications.Such as antibacterial agent, vegetables fresh-keeping in fruit freshness preserving transport
Antibacterial agent, snacks packaging antibacterial agent, deodorant for refregerator antibacterial agent, shoe chest deodorization antibacterial agent etc..
Carry out the technical solution that present invention be described in more detail below by way of specific embodiment.
Embodiment 1
1.1, the raw material of following mass parts: photochemical catalyst is weighed: 10 parts of non-metal optical catalysis material；Solvent: dehydrated alcohol
50 parts；Waterborne polymeric: 0.5 part of acrylonitrile waterborne polymeric；Dispersing agent: 0.5 part of calgon；Foam class carrier material:
Nickel foam is several.
1.2, non-metal optical catalysis material, ultrapure water, acrylonitrile waterborne polymeric and calgon progress ball milling are stirred
Mix (ball grinding stirring revolving speed: 2000r/min；The ball grinding stirring time: 1h), mixing, obtain photocatalysis lotion.
1.3, by the mode impregnated and spraying (spraying equipment are as follows: pressure-type spray automatic doubler surface glouer) combines, the light that will be obtained
Catalytic emulsion loads in nickel foam, and high temperature dries (drying condition: 80 DEG C or less；Drying time: 5h), obtain nickel antibacterial agent.
The antibacterial agent of preparation of the embodiment of the present invention can effectively inhibit the bacteriums such as Escherichia coli, staphylococcus aureus true
Bacterium has broad spectrum activity, can be widely used for the fields such as food, drug, fruits and vegetables, fresh, is suitable for food antibacterial packet, snacks antibacterial agent
Equal directions, are suitable for the directions such as fruit freshness preserving antibacterial agent, fresh-keeping of vegetables packet, and it is anti-to be suitable for shoe chest deodorant, shoe chest deodorization, lavatory
The deodorizing antibiotics such as bacterium bag, peculiar smell removal agent, deodorization box for refrigerator direction.
Embodiment 2
2.1, the raw material of following mass parts: photochemical catalyst is weighed: 15 parts of non-metal optical catalysis material；Solvent: dehydrated alcohol
50 parts；Waterborne polymeric: 0.5 part of POLYPROPYLENE GLYCOL waterborne polymeric；Dispersing agent: 1 part of calgon；Foam class carrier material:
NaA molecular sieve (size: 400nm) is several.
2.2, non-metal optical catalysis material, dehydrated alcohol, POLYPROPYLENE GLYCOL waterborne polymeric and calgon are subjected to ball
Mill stirring (ball grinding stirring revolving speed: 2000r/min；The ball grinding stirring time: 1h), mixing, obtain photocatalysis lotion.
2.3, the photocatalysis lotion that step 2.2 obtains mixed with NaA molecular sieve, stir (mixing time: 3h) and drying
(drying condition: 80 DEG C；Drying time: 5h) solid material is obtained, finally, solid material is carried out after sufficiently washing, it is dry (dry
Dry condition: 60 DEG C) obtain NaA molecular sieve antibacterial agent.
Broad spectrum activity of the antibacterial agent of preparation of the embodiment of the present invention because of antibacterial bacteriostatic, excellent antibiotic and sterilizing effect can be extensive
For the fields such as food, drug, fruits and vegetables, fresh, it is suitable for the directions such as food antibacterial packet, snacks antibacterial agent, is suitable for fruit and protects
The directions such as fresh antibacterial agent, fresh-keeping of vegetables packet are suitable for shoe chest deodorant, shoe chest deodorization, lavatory antibacterial packet, peculiar smell removal agent, refrigerator
The deodorizing antibiotics such as deodorizing box direction.
Embodiment 3
3.1, the raw material of following mass parts: photochemical catalyst is weighed: 10 parts of nitrogen-doped titanium dioxide；Solvent: dehydrated alcohol 45
Part；Waterborne polymeric: 1 part of POLYPROPYLENE GLYCOL waterborne polymeric；Dispersing agent: 1 part of sodium alginate；Foam class carrier material: silicon airsetting
Glue.
3.2, nitrogen-doped titanium dioxide, ultrapure water, POLYPROPYLENE GLYCOL waterborne polymeric and sodium alginate are subjected to ball milling mixing
(ball milling mixing time: 3h), obtain photocatalysis lotion.
3.3, by the obtained photocatalysis lotion of step .2 and silica aerogel mixing and ball milling (Ball-milling Time: 3h) and dry (dry
Dry condition: 80 DEG C；Drying time: 5h) solid material is obtained, it is granulated finally, solid material is put into pelletizer, and do
Dry (drying condition: 60 DEG C) obtains silica aerogel antibacterial agent.
Effective antibacterial characteristics of the silica aerogel microbial inoculum of preparation of the embodiment of the present invention, can be widely used for food, drug, fruit
The fields such as vegetable, fresh are suitable for the directions such as food antibacterial packet, snacks antibacterial agent, are suitable for fruit freshness preserving antibacterial agent, fresh-keeping of vegetables
The directions such as packet are suitable for the deodorizing antibiotics sides such as shoe chest deodorant, shoe chest deodorization, lavatory antibacterial packet, peculiar smell removal agent, deodorization box for refrigerator
To.
Embodiment 4
4.1, the raw material of following mass parts: photochemical catalyst is weighed: 20 parts of nitrogen-doped titanium dioxide；Solvent: dehydrated alcohol 55
Part；Waterborne polymeric: 1 part of POLYPROPYLENE GLYCOL waterborne polymeric；Dispersing agent: 1 part of calgon；Foam class carrier material: dioxy
SiClx.
4.2, nitrogen-doped titanium dioxide, dehydrated alcohol, POLYPROPYLENE GLYCOL waterborne polymeric and calgon are subjected to ball milling
It mixes (ball milling mixing time: 3h), obtains photocatalysis lotion.
4.3, the photocatalysis lotion and silica mixing and ball milling (Ball-milling Time: 1h) that obtain step 4.2 and drying
(drying condition: 80 DEG C；Drying time: 5h) obtain solid material, finally, by solid material carry out temperature reaction (warming temperature:
150℃；Reaction time: 5h), obtain silicon dioxide germicide.
The silicon dioxide germicide of preparation of the embodiment of the present invention has the effect of antibiotic and sterilizing, and the wide spectrum with antibacterial
Property, there are excellent antibiosis and deodorization effects in directions such as shoe chest deodorizations, can be widely used for the fields such as food, drug, fruits and vegetables, fresh,
Suitable for directions such as food antibacterial packet, snacks antibacterial agents, it is suitable for the directions such as fruit freshness preserving antibacterial agent, fresh-keeping of vegetables packet, is applicable in
In deodorizing antibiotics directions such as shoe chest deodorant, shoe chest deodorization, lavatory antibacterial packet, peculiar smell removal agent, deodorization box for refrigerator.
The antibacterial agent prepared in above-described embodiment uses corresponding mixing according to the material support of different types
Method, the shortcomings that overcoming existing organic antibacterial agent and inorganic antibacterial agent, have excellent mechanical strength, good photochemical
Stability and higher thermal stability are learned, conducive to application in practice.
And its preparation condition is mild, and simply, photocatalyst activity is excellent, and preparation method is simple, and it is low in cost, produce work
Skill is simple and easy to control, it can be achieved that industrialized production, can be widely applied for light degradation antibiotic field of material technology.
It, can according to the technique and scheme of the present invention and this hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (10)
1. a kind of preparation method of antibacterial agent characterized by comprising
In the ratio of setting, catalysis material, auxiliary agent and solvent are put into reactor, photocatalysis lotion is prepared；
Material support is mixed with the photocatalysis lotion, prepares the antibacterial agent.
2. preparation method according to claim 1, which is characterized in that it is described to prepare photocatalysis lotion, it specifically includes:
Ball milling and stirring are carried out to catalysis material, auxiliary agent and the solvent in the reactor, prepare the photocatalysis
Lotion.
3. preparation method according to claim 1, which is characterized in that described when the material support is foam class material
Material support is mixed with the photocatalysis lotion, the antibacterial agent is prepared, specifically includes:
The material support is immersed in repeatedly in the photocatalysis lotion, or the photocatalysis lotion is sprayed on institute repeatedly
It states on material support.
4. preparation method according to claim 3, which is characterized in that the material support is that size is less than the foam material
It is described to mix material support with the photocatalysis lotion when the porous class material of material, the antibacterial agent is prepared, it is specific to wrap
It includes:
After the material support is added in the photocatalysis lotion, ball milling mixing；
Photocatalysis lotion after the dry ball milling mixing, prepares the antibacterial agent.
5. preparation method according to claim 1, which is characterized in that described to incite somebody to action when the material support is dusty material
Material support is mixed with the photocatalysis lotion, is prepared the antibacterial agent, is specifically included:
The material support is added in the photocatalysis lotion and mixes；
The dry photocatalysis lotion, prepares antimicrobial powder；
The antimicrobial powder is put into Granulation Equipments, the anti-biotic material of one or more pre-set dimension is prepared.
6. preparation method according to claim 1-5, which is characterized in that the photochemical catalyst is selected from the non-gold of nanometer
Belong to catalysis material, nonmetal doping catalysis material, alkali or alkaline earth metal adulterates non-metal optical catalysis material, and metal has
Machine framework compound, nanometer bismuth system oxide, titanium dioxide, tungstic acid, tin oxide, zirconium dioxide, manganese oxide, three oxidations two
Iron, modified nano-titanium dioxide, one of multicomponent compound and metal organic frame modified nano zinc oxide or more
Kind.
7. preparation method according to claim 1-5, which is characterized in that the auxiliary agent includes dispersing agent and water-soluble
Property polymer.
8. preparation method according to claim 7, which is characterized in that the dispersing agent is selected from calgon, alginic acid
One of sodium, potassium alginate or ammonium alginate are a variety of；
The water-soluble polymer is in polyvinyl alcohol, POLYPROPYLENE GLYCOL, acrylonitrile waterborne polymeric or polyvinylpyrrolidone
It is one or more.
9. a kind of antibacterial agent is applied to food packaging, which is characterized in that the raw material components of the antibacterial agent include photocatalysis lotion
And the material support for loading the photocatalysis lotion；The material support is porous material so that the photocatalysis lotion
The surface of the material support is fixed in absorption after drying；
By weight, the photocatalysis lotion includes following raw material components:
10. antibacterial agent according to claim 9, which is characterized in that the material support includes: molecular sieve, zeolite, Mo Lai
Stone, medical stone, sepiolite, foam class material, fibrous material, textile material, white carbon black, active carbon or aerogel material.
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