CN113925240B - Antibacterial and antiviral mask and preparation method thereof - Google Patents
Antibacterial and antiviral mask and preparation method thereof Download PDFInfo
- Publication number
- CN113925240B CN113925240B CN202111243553.6A CN202111243553A CN113925240B CN 113925240 B CN113925240 B CN 113925240B CN 202111243553 A CN202111243553 A CN 202111243553A CN 113925240 B CN113925240 B CN 113925240B
- Authority
- CN
- China
- Prior art keywords
- solution
- antibacterial
- woven fabric
- melt
- antiviral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 116
- 230000000840 anti-viral effect Effects 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000243 solution Substances 0.000 claims abstract description 108
- 239000010410 layer Substances 0.000 claims abstract description 103
- 239000004744 fabric Substances 0.000 claims abstract description 92
- 239000004750 melt-blown nonwoven Substances 0.000 claims abstract description 81
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 52
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 52
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 238000011065 in-situ storage Methods 0.000 claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 239000012670 alkaline solution Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 241000894006 Bacteria Species 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000012429 reaction media Substances 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 239000004745 nonwoven fabric Substances 0.000 claims description 35
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- 230000004888 barrier function Effects 0.000 claims description 15
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000007598 dipping method Methods 0.000 claims description 13
- 229920002545 silicone oil Polymers 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 241000700605 Viruses Species 0.000 claims description 10
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 9
- 239000002121 nanofiber Substances 0.000 claims description 9
- 241000196324 Embryophyta Species 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000002243 precursor Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 229920001661 Chitosan Polymers 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 229920002101 Chitin Polymers 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- 102000004190 Enzymes Human genes 0.000 claims description 4
- 108090000790 Enzymes Proteins 0.000 claims description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 4
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 4
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 241000722949 Apocynum Species 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 206010040047 Sepsis Diseases 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 239000008280 blood Substances 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 3
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 230000002421 anti-septic effect Effects 0.000 claims 4
- 238000005406 washing Methods 0.000 abstract description 9
- 230000001954 sterilising effect Effects 0.000 abstract description 5
- 244000052616 bacterial pathogen Species 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 239000010775 animal oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000411851 herbal medicine Species 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000004347 surface barrier Methods 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- 230000002155 anti-virotic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000711573 Coronaviridae Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000014599 transmission of virus Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/113—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a vertical fold or weld
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/14—Air permeable, i.e. capable of being penetrated by gases
- A41D31/145—Air permeable, i.e. capable of being penetrated by gases using layered materials
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
- A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
- D06M11/42—Oxides or hydroxides of copper, silver or gold
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention provides an antibacterial and antiviral mask and a preparation method thereof. The antibacterial and antiviral layer is a melt-blown non-woven fabric modified by nano cuprous oxide, and the nano cuprous oxide is loaded and fixed on the fiber surface layer of the melt-blown non-woven fabric through in-situ reaction. The method comprises the steps of pre-treating melt-blown non-woven fabrics, sequentially padding alkaline solution, copper source solution and reducing solution, controlling the liquid carrying rate of the melt-blown non-woven fabrics, and finally placing the melt-blown non-woven fabrics in a solvent reaction medium to perform in-situ reaction under a high-temperature environment to synthesize nano cuprous oxide. The antibacterial and antiviral mask has the functions of blocking germs, inhibiting bacteria and sterilizing in a short time by the double functions of the blocking protective layer and the antibacterial and antiviral layer, so that the mask has the long-acting antibacterial and antiviral functions; and the washing fastness is good, the antibacterial effect is unchanged after the washing is carried out for 50 times, the practicability is high, and the requirements of the market on the function of the mask are greatly met.
Description
Technical Field
The invention relates to the technical field of protective masks, in particular to an antibacterial and antiviral mask and a preparation method thereof.
Background
The mask is used as a sanitary protection article and is worn on the mouth and nose to filter air entering the mouth and nose so as to achieve the effect of blocking harmful gases, smell, spray, viruses and other substances. Especially since the occurrence of new epidemic situation of coronaries, the mask has become a necessity for people to travel daily. The wearing of the mask can not only block bacteria and dust in the air, but also effectively inhibit the epidemic of respiratory infectious diseases; can also effectively block pathogenic microorganisms from being immersed into human bodies, and has important effects on preventing the transmission of new coronavirus and protecting the health of people.
At present, most of the common masks on the market are common masks sewn by breathable fabrics, and the masks only have the functions of filtering air, blocking dust and the like and have no antibacterial and antiviral functions. When the mask is worn, harmful bacteria and viruses in the air possibly adhere to the surface of the mask through suction force generated by breathing, and when a wearer touches the outer side of the mask by hands, the mask can be polluted by the harmful bacteria or viruses on the outer side of the mask, and further the harmful bacteria and viruses can enter a human body unknowingly through the contact ports or the eyes and other parts, so that the health of the human body is influenced.
The patent with publication number CN 109832691A discloses a Chinese herbal medicine mask, wherein a cotton gauze layer in the middle of the mask is put into a Chinese herbal medicine mixture for soaking, so that an effective antibacterial and antiviral mask is created. However, the mask is soaked in the Chinese herbal medicine raw materials with the antibacterial function, so that the mask has heavy smell and limited antibacterial and antiviral effects and time. The patent with publication number CN 112716074A discloses a long-acting antibacterial and antiviral mask and a preparation method thereof, wherein nonmetallic doped zinc oxide and metallic doped zinc oxide are respectively added into raw materials for preparing a skin layer and a core layer of an inner layer material of the mask, so that the ES skin-core composite fiber non-leaching antibacterial hot-rolled non-woven fabric is prepared, and the antibacterial and antiviral effects are achieved.
However, antibacterial and antiviral particles are added into the raw materials of the fabric, so that the antibacterial performance of the fabric is endowed, and the problems of limited load capacity, poor binding fastness and incapability of exerting the antibacterial effect to the greatest extent exist; the method for synthesizing the functional particles on the surface of the fabric has the problems of long reaction time, complex reaction process and high production cost.
In view of the foregoing, there is a need for an improved antimicrobial and antiviral mask and method of making the same that addresses the above-described issues.
Disclosure of Invention
The invention aims to provide an antibacterial and antiviral mask and a preparation method thereof, wherein a melt-blown non-woven fabric modified by nano cuprous oxide is used as an antibacterial and antiviral layer of the mask, and a plant fiber non-woven fabric with a natural antibacterial effect is used as a barrier protection layer, so that the mask has a long-acting antibacterial and antiviral function, has good washing fastness, and meets the requirements of the market on the function aspect of the mask.
The invention provides an antibacterial and antiviral mask and a preparation method thereof, wherein the antibacterial and antiviral mask sequentially comprises a blocking protective layer, an antibacterial and antiviral layer, a filter layer and a skin-friendly layer from outside to inside; the antibacterial and antiviral layer is a melt-blown non-woven fabric modified by nano cuprous oxide, and the nano cuprous oxide is loaded and fixed in the melt-blown non-woven fabric through in-situ reaction, so that the antibacterial and antiviral effects are achieved.
As a further improvement of the invention, the preparation method of the nano cuprous oxide modified melt-blown non-woven fabric comprises the following steps: sequentially soaking the melt-blown non-woven fabric in an alkaline solution, a copper source solution and a reducing solution, and keeping the final padding belt liquid rate to be 10% -160%; and placing the padded melt-blown non-woven fabric in a solvent reaction medium at 100-300 ℃ to react for 5-1800 s, so as to obtain the nano cuprous oxide modified melt-blown non-woven fabric.
As a further improvement of the invention, the preparation method of the nano cuprous oxide modified melt-blown non-woven fabric comprises the following steps: the temperature of the solvent reaction medium is 140-250 ℃, and the solvent reaction medium is glycol, glycerol, ethyl acetate, toluene, xylene, N-dimethylformamide, N-dimethylacetamide, silicone oil, vegetable oil or animal oil.
As a further improvement of the invention, the relative content of copper atoms in the antibacterial and antiviral layer is 1-18 wt%, and the particle size of the nano cuprous oxide is 20-300 nm; the crystal form of the nano cuprous oxide is one or more of a cube type, an octahedron type, a rhombohedron type, an eighteen-sided type and a twenty-hexahedron type.
As a further improvement of the invention, the fiber diameter of the melt-blown non-woven fabric is 1-15 um, and the fiber is one of polyester fiber, polylactic acid fiber, polyethylene fiber and polypropylene fiber.
As a further improvement of the invention, the filter layer is formed by compounding nano fibers and porous non-woven fabrics, and filters bacteria and viruses inactivated after passing through the antibacterial and antiviral layers; the nanofiber comprises one or more of polyacrylonitrile, polyvinyl chloride, polystyrene, chitosan, chitin and bamboo fiber; the barrier protective layer is a plant fiber non-woven fabric layer, and the plant fiber non-woven fabric layer is a bamboo fiber non-woven fabric, a hemp fiber non-woven fabric, a apocynum fiber non-woven fabric or a chitin fiber non-woven fabric, so that the natural antibacterial and antiviral effects are achieved.
As a further improvement of the invention, the antibacterial and antiviral mask also comprises a cotton filter layer, and an antibacterial and antiviral mask which is sequentially provided with a barrier protective layer, an antibacterial and antiviral layer, a cotton filter layer, a filter layer and a skin-friendly layer from outside to inside is formed.
A method for preparing the antibacterial and antiviral mask according to any one of the above steps, comprising the following steps:
s1, preparation of antibacterial and antiviral layer
S11, pretreatment of melt-blown non-woven fabrics
Padding the melt-blown non-woven fabric in a pretreatment solution to prepare the pretreated melt-blown non-woven fabric; wherein the pretreatment solution is sodium hydroxide solution, potassium hydroxide solution, mixed solution of sodium hydroxide and urea, biological enzyme solution, N-methylmorpholine-N-oxide solution, chitosan solution or plasma solution; the dipping temperature is-12 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10 percent to 160 percent;
s12, padding precursor solution of pretreated melt-blown non-woven fabric
Sequentially dipping the pretreated melt-blown non-woven fabric into an alkaline solution, a copper source solution and a reducing solution; wherein, the time for dipping each solution is 5 s-360 s, the temperature is 10 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10% -160%;
s13, in-situ synthesis of nano cuprous oxide by melt-blown non-woven fabric
Placing the melt-blown non-woven fabric subjected to padding with the precursor solution in a solvent reaction medium at 100-300 ℃ to perform in-situ reaction to generate nano cuprous oxide, and preparing the melt-blown non-woven fabric modified by the nano cuprous oxide to obtain the antibacterial and antiviral layer;
s2, overlapping and cutting the cloth layers
Sequentially overlapping the barrier protective layer, the antibacterial and antiviral layer prepared in the step S1, the filter layer and the skin-friendly layer, and cutting and preparing a nose bridge clip;
s3, folding and pressing the mask
And (3) gathering the product obtained in the step (S2) into a fold structure by a machine, pressing, and simultaneously adopting a hot-press bonding mode to press and bond the wear on the periphery and the two sides of the mask, so as to obtain the antibacterial and antiviral mask.
As a further improvement of the present invention, in step S12, the alkaline solution is a sodium hydroxide solution, a potassium hydroxide solution, an ammonium carbonate solution, or an aqueous ammonia solution; the copper source solution is a copper acetate solution, a copper nitrate solution, a copper sulfate solution or a copper chloride solution; the reducing solution is a sepsis blood acid solution, a glucose solution, diethylene glycol or glycerol solution; the mass fraction of the solute in the alkaline solution is 0.1-20%, the mass fraction of the solute in the copper source solution is 0.1-20%, and the mass fraction of the solute in the reducing solution is 0.1-20%.
As a further improvement of the present invention, in step S11, the mass fraction of the solute in the pretreatment solution is 0.1% -20%, and the padding mode is one padding one or two padding two or three padding three.
The beneficial effects of the invention are as follows:
(1) The invention provides an antibacterial and antiviral mask and a preparation method thereof. The antibacterial and antiviral layer is a melt-blown non-woven fabric loaded and fixed on the nano cuprous oxide through in-situ reduction reaction, and can have high-efficiency and good-durability antibacterial and antiviral effects. The filter layer is formed by compounding nano fibers and porous non-woven fabrics, and filters bacteria and viruses inactivated after passing through the antibacterial and antiviral layer; the barrier protective layer is a plant fiber non-woven fabric layer and plays roles of natural antibiosis and protection of the antibiosis and antivirus layer. The antibacterial and antiviral mask has the functions of blocking germs, inhibiting bacteria and sterilizing in a short time by the double functions of the blocking protection layer and the antibacterial and antiviral layer, has long-acting antibacterial and antiviral functions, is good in washing fastness and strong in practicability, and greatly meets the requirements of the market on the function aspect of the mask.
(2) According to the invention, the pre-treatment solution is selected to carry out the micro-dissolution pre-treatment on the melt-blown non-woven fabric, so that the surface of the fiber forms a groove, a plurality of reaction spaces are provided for the subsequent in-situ synthesis reaction, namely, growth positions are provided for the subsequent nano cuprous oxide particles; immersing the fabric in an alkaline solution, a copper source solution and a reducing solution in sequence; and then placing the fabric in a high-temperature solvent reaction medium to perform in-situ reaction to generate nano cuprous oxide. In the in-situ synthesis process, the liquid carrying rate of the non-woven fabric after padding is controlled so that the non-woven fabric is provided with a solvent; when in-situ synthesis reaction is carried out in a high-temperature environment, the solvent on the non-woven fabric is gasified in the in-situ synthesis process to generate instantaneous high pressure, the synthesis of nano cuprous oxide can be completed within a few seconds, and when the temperature is reduced, the obtained nano cuprous oxide particles are fixed in grooves formed on the surface of the fiber by pretreatment, so that the bonding fastness of the nano cuprous oxide particles and the melt-blown non-woven fabric is obviously improved, and the long-acting antibacterial and antiviral properties of the melt-blown non-woven fabric are ensured.
(3) The antibacterial and antiviral mask prepared by the invention has excellent antibacterial and antiviral properties, the killing rate of bacteria and viruses is as high as 99.9 percent, the antibacterial and antiviral effects of the mask are not obviously reduced after the mask is continuously washed for 50 times, and the defects of poor combination fastness, washing fastness and low disease and virus resistance timeliness of antibacterial and antiviral particles and carriers in the existing mask are overcome.
(4) The washability of the antibacterial and antiviral mask disclosed by the invention can not only block the secondary transmission of viruses and bacteria in the using process of the mask, but also facilitate the timely cleaning and removal of dust and other particulate matters adhered on the surface layer of the mask, so that the influence of the dust and the particulate matters on the ventilation property of the mask is avoided, the blocking of the dust and the bacteria to the airflow is reduced, and the wearing comfort is improved while the safety is improved.
Drawings
Fig. 1 is a schematic structural view of the antibacterial and antiviral mask of the present invention.
Fig. 2 is a schematic structural view of the 3M or N95 antibacterial and antiviral mask of the present invention.
FIG. 3 is an electron microscope image of the antibacterial and antiviral mask prepared in example 1 of the present invention.
Fig. 4 is a diagram showing a physical comparison of the antibacterial and antiviral mask prepared in example 1 of the present invention and a general medical mask.
FIG. 5 is a graph showing the results of experiments for testing the effect of the number of washes on antibacterial properties in example 1 of the present invention.
Reference numerals
1-a barrier protective layer; 2-an antibacterial and antiviral layer; 3-a filter layer; 4-a skin-friendly layer; 5-a surface barrier protective layer; 6-cotton filter layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
It should be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and/or processing steps closely related to aspects of the present invention are shown in the drawings, and other details not greatly related to the present invention are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, an antibacterial and antiviral mask sequentially comprises a barrier protection layer 1, an antibacterial and antiviral layer 2, a filter layer 3 and a skin-friendly layer 4 from outside to inside; the antibacterial and antiviral layer 2 is a melt-blown non-woven fabric modified by nano cuprous oxide, and the nano cuprous oxide is loaded and fixed in the melt-blown non-woven fabric through in-situ reaction, so that the antibacterial and antiviral beneficial effects are achieved. In addition, the periphery of each layer of the antibacterial and antiviral mask is provided with an adhesive, and the periphery of each layer and the wear on the two sides of the mask are pressed and bonded in a hot-press bonding mode.
Specifically, the preparation method of the nano cuprous oxide modified melt-blown non-woven fabric comprises the following steps: sequentially soaking the melt-blown non-woven fabric in an alkaline solution, a copper source solution and a reducing solution, and keeping the final padding belt liquid rate to be 10% -160%; and placing the padded melt-blown non-woven fabric in a solvent reaction medium at 100-300 ℃ to react for 5-1800 s, thus obtaining the nano cuprous oxide modified melt-blown non-woven fabric. Preferably, the temperature of the solvent reaction medium is 140 ℃ to 250 ℃, and the solvent reaction medium is ethylene glycol, glycerol, ethyl acetate, toluene, xylene, N-dimethylformamide, N-dimethylacetamide, silicone oil, vegetable oil or animal oil.
Specifically, the relative content of copper atoms in the antibacterial and antiviral layer 2 is 1-18wt%, and the particle size of the nano cuprous oxide is 20-300 nm. The crystal form of the nano cuprous oxide is one or more of cube type, octahedron type, rhombohedron type, eighteen-sided type and twenty-hexahedron type. The antibacterial and antiviral layer 2 is a melt-blown non-woven fabric prepared from fibers with the fiber diameter of 1-15 um, and the fibers are one of polyester fibers, polylactic acid fibers, polyethylene fibers and polypropylene fibers. The barrier protective layer 1 is a plant fiber non-woven fabric layer, and the plant fiber non-woven fabric layer is a bamboo fiber non-woven fabric, a hemp fiber non-woven fabric, a apocynum fiber non-woven fabric or a chitin fiber non-woven fabric, and plays roles of natural antibiosis and protection of the antibiosis and antivirus layer.
Particularly, the filter layer 3 is formed by compounding nano fibers and porous non-woven fabrics, and filters bacteria and viruses inactivated after being subjected to the antibacterial and antiviral layers; wherein the nanofiber comprises one or more of polyacrylonitrile, polyvinyl chloride, polystyrene, chitosan, chitin and bamboo fiber; the nanofibers are distributed in the holes of the non-woven fabric carrier in a penetrating manner; the nanofibers are crisscrossed in the non-woven fabric, so that the non-woven fabric maintains certain porosity, and the filter layer 3 has a good filtering effect and has the advantage of small respiratory resistance.
The antibacterial and antiviral mask has the functions of blocking germs, inhibiting bacteria and sterilizing in a short time by the double functions of the blocking protective layer 1 and the antibacterial and antiviral layer 2; the filter layer 3 can further filter and adsorb the sterilized air, and finally enters the human body through the skin-friendly layer 4. The disease-resistant antiviral mask has long-acting antibacterial and antiviral functions, is good in washability and strong in practicability, and greatly meets the requirements of the market on the function aspect of the mask.
Referring to fig. 2, in a specific embodiment, an antibacterial and antiviral layer 2 is added to a 3M mask or an N95 mask, and the manufactured antibacterial and antiviral 3M or N95 mask sequentially includes a surface barrier protective layer 5, an antibacterial and antiviral layer 2, a cotton filter layer 6, a filter layer 3 and a skin-friendly layer 4 from outside to inside; wherein the surface barrier protection layer 5 is polypropylene non-woven fabric, and has the functions of water resistance, barrier and protection.
The preparation method of the antibacterial and antiviral mask comprises the following steps:
s1, preparation of antibacterial and antiviral layer
S11, pretreatment of melt-blown non-woven fabrics
Padding the melt-blown non-woven fabric in a pretreatment solution to prepare the pretreated melt-blown non-woven fabric; wherein the pretreatment solution is sodium hydroxide solution, potassium hydroxide solution, mixed solution of sodium hydroxide and urea, biological enzyme solution, N-methylmorpholine-N-oxide solution, chitosan solution or plasma solution; dipping; the dipping temperature is-12 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10 percent to 160 percent;
wherein the mass fraction of solute in the pretreatment solution is 0.1% -20%, and the padding mode is one padding two padding or three padding;
s12, padding precursor solution of pretreated melt-blown non-woven fabric
Sequentially dipping the pretreated melt-blown non-woven fabric into an alkaline solution, a copper source solution and a reducing solution; wherein, the time for dipping each solution is 5 s-360 s, the temperature is 10 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10 percent-160 percent;
wherein the alkaline solution is sodium hydroxide solution, potassium hydroxide solution, ammonium carbonate solution or ammonia water solution; the copper source solution is copper acetate solution, copper nitrate solution, copper sulfate solution or copper chloride solution; the reducing solution is a sepsis blood acid solution, a glucose solution, diethylene glycol or glycerol solution; the mass fraction of the solute in the alkaline solution is 0.1-20%, the mass fraction of the solute in the copper source solution is 0.1-20%, and the mass fraction of the solute in the reducing solution is 0.1-20%; the padding mode is one padding or two padding or three padding;
s13, in-situ synthesis of nano cuprous oxide by melt-blown non-woven fabric
Placing the melt-blown non-woven fabric subjected to padding with the precursor solution in a solvent to perform in-situ reaction to generate nano cuprous oxide, and preparing the melt-blown non-woven fabric modified by the nano cuprous oxide to obtain an antibacterial and antiviral layer; the temperature of the in-situ reaction is 100-300 ℃, and the reaction time is 5-1800 s;
wherein the solvent is ethylene glycol, glycerol, ethyl acetate, toluene, xylene, N-dimethylformamide, N-dimethylacetamide, silicone oil, vegetable oil, and animal oil. The silicone oil is methyl silicone oil, ethyl hydrogen silicone oil, phenyl silicone oil, methyl chlorophenyl silicone oil, methyl ethoxy silicone oil, methyl trifluoro propyl silicone oil, methyl vinyl silicone oil or fluorine-containing silicone oil.
S2, overlapping and cutting the cloth layers
Sequentially superposing the barrier protective layer 1, the antibacterial and antiviral layer 2, the filter layer 3 and the skin-friendly layer 4 prepared in the step S1, and cutting and preparing a nose bridge clip;
s3, folding and pressing the mask
And (3) gathering the product obtained in the step (S2) into a fold structure by a machine, pressing, and simultaneously adopting a hot-press bonding mode to press and bond the wear on the periphery and the two sides of the mask, so as to obtain the antibacterial and antiviral mask.
Example 1
The embodiment provides a preparation method of an antibacterial and anti-germ mask, which comprises the following steps:
s1, preparation of antibacterial and antiviral layer
S11, pretreatment of melt-blown non-woven fabrics
Padding the melt-blown non-woven fabric in sodium hydroxide solution to obtain pretreated melt-blown non-woven fabric; wherein the soaking temperature is 25 ℃, the time is 5s, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 120%;
s12, padding precursor solution of pretreated melt-blown non-woven fabric
Sequentially dipping the pretreated melt-blown non-woven fabric in a sodium hydroxide alkaline solution with the mass fraction of 7% for 60s, a copper sulfate solution with the mass fraction of 4% for 30s and a glucose reducing solution with the mass fraction of 4% for 300s; the impregnation temperature is 30 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 120%;
s13, in-situ synthesis of nano cuprous oxide by melt-blown non-woven fabric
Placing the melt-blown non-woven fabric subjected to padding with the precursor solution in a dimethyl silicone oil solvent at 150 ℃ to perform in-situ reaction to generate nano cuprous oxide, wherein the reaction time is 15s, and preparing the melt-blown non-woven fabric modified by the nano cuprous oxide to obtain an antibacterial and antiviral layer;
s2, overlapping and cutting the cloth layers
Sequentially superposing the barrier protective layer, the antibacterial and antiviral layer prepared in the step S1, the filter layer and the skin-friendly layer, and cutting and preparing a nose bridge clip;
s3, folding and pressing the mask
And (3) gathering the product obtained in the step (S2) into a fold structure by a machine, pressing, and simultaneously adopting a hot-press bonding mode to press and bond the wear on the periphery and the two sides of the mask, so as to obtain the antibacterial and antiviral mask.
The antibacterial and antiviral mask prepared in example 1 was subjected to microscopic characterization, and the electron microscopy result is shown in fig. 3. As can be seen from FIG. 3, a large number of nanoparticles are uniformly loaded on the fiber surface of the non-woven fabric, which indicates that the preparation method provided by the invention can synthesize the nanoparticles in situ and uniformly load the nanoparticles on the fiber surface. In addition, the relation among the fabric belt rate, the technological parameters and the load of nano cuprous oxide in the fiber is studied, and the specific reference can be made to the embodiment analysis in the patent cases of the antibacterial and antiviral protective material and the preparation method thereof (application number is 2021107572853).
Referring to fig. 4, fig. 4 is a diagram of the antibacterial and antiviral mask prepared in embodiment 1 of the present invention compared with a common medical mask, and it can be seen from the diagram that the antibacterial and antiviral mask of the present invention has a uniform orange red color due to the existence of the antiviral layer loaded with nano cuprous oxide, which indicates that the loading effect of nano cuprous oxide is better.
After the antibacterial and antiviral layers are respectively washed for 10 times, 20 times, 30 times, 40 times and 50 times according to GN/T20944-2008, antibacterial tests are carried out on the antibacterial and antiviral layers according to the standard ISO 18184:2014 (E), and the sterilization rate of the antibacterial and antiviral layers on escherichia coli and staphylococcus aureus is as high as 99.9%. Referring to fig. 5, it can be seen that the effect of the increase of the washing times on the antibacterial performance is not great, and the antibacterial and antiviral effects of the mask are not significantly reduced after 50 times of washing, which indicates that the load fastness of the nano cuprous oxide is high, and the prepared antibacterial and antiviral mask has good washing fastness and can realize long-acting antibacterial effects.
In summary, the invention provides an antibacterial and antiviral mask and a preparation method thereof, wherein the antibacterial and antiviral mask sequentially comprises a barrier protection layer, an antibacterial and antiviral layer, a filter layer and a skin-friendly layer from outside to inside. The antibacterial and antiviral layer is a melt-blown non-woven fabric modified by nano cuprous oxide, and the nano cuprous oxide is loaded and fixed in the melt-blown non-woven fabric through in-situ reaction. The pre-treatment solution is selected to carry out micro-dissolution pre-treatment on the melt-blown non-woven fabric, so that grooves are formed on the surface of the fiber, and a plurality of reaction spaces are provided for subsequent in-situ synthesis of nano cuprous oxide particles; sequentially dipping the non-woven fabric into an alkaline solution, a copper source solution and a reducing solution; then placing the mixture in a solvent for in-situ reaction to generate nano cuprous oxide. The in-situ synthesis is performed in a high-temperature environment, the solvent on the non-woven fabric is gasified to generate instantaneous high pressure, the synthesis of nano cuprous oxide is completed, the nano cuprous oxide particles obtained during cooling are fixed in grooves formed on the surface of the fiber through pretreatment, the bonding fastness of the nano cuprous oxide particles and the melt-blown non-woven fabric is obviously improved, and the long-acting antibacterial and antiviral properties of the melt-blown non-woven fabric are ensured. The antibacterial and antiviral mask can play roles in blocking germs, inhibiting bacteria and sterilizing in a short time, has a long-acting antibacterial and antiviral function, is good in washing fastness and strong in practicability, and greatly meets the requirements of the market on the function aspect of the mask.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. An antibacterial and antiviral mask is characterized by sequentially comprising a blocking protective layer, an antibacterial and antiviral layer, a filter layer and a skin-friendly layer from outside to inside; the antibacterial and antiviral layer is a melt-blown non-woven fabric modified by nano cuprous oxide, and the nano cuprous oxide is loaded and fixed in the melt-blown non-woven fabric through in-situ reaction, so that the antibacterial and antiviral effects are achieved;
the preparation method of the nano cuprous oxide modified melt-blown non-woven fabric comprises the following steps: padding the melt-blown non-woven fabric in a pretreatment solution to prepare the pretreated melt-blown non-woven fabric; wherein the pretreatment solution is sodium hydroxide solution, potassium hydroxide solution, mixed solution of sodium hydroxide and urea, biological enzyme solution, N-methylmorpholine-N-oxide solution, chitosan solution or plasma solution; the dipping temperature is-12 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10 percent to 160 percent; then, sequentially soaking the melt-blown non-woven fabric in an alkaline solution, a copper source solution and a reducing solution, and keeping the final padding belt liquid rate to be 10% -160%; placing the padded melt-blown non-woven fabric in a solvent reaction medium at 100-300 ℃ for 5-15 s, and gasifying the solvent on the melt-blown non-woven fabric in the in-situ synthesis process to generate instantaneous high pressure when the in-situ synthesis reaction is carried out in a high-temperature environment, so as to obtain the nano cuprous oxide modified melt-blown non-woven fabric;
the solvent reaction medium is dimethyl silicone oil.
2. The antibacterial and antiviral mask according to claim 1, wherein the relative content of copper atoms in the antibacterial and antiviral layer is 1-18 wt%, and the particle size of the nano cuprous oxide is 20-300 nm; the crystal form of the nano cuprous oxide is one or more of a cube type, an octahedron type, a rhombohedron type, an eighteen-sided type and a twenty-hexahedron type.
3. The antiseptic and antiviral mask of claim 1 wherein the meltblown nonwoven fabric has a fiber diameter of 1-15 um and the fiber is one of polyester fiber, polylactic acid fiber, polyethylene fiber and polypropylene fiber.
4. The antibacterial and antiviral mask according to claim 1, wherein the filter layer is formed by compounding nanofibers and porous non-woven fabrics, and filters bacteria and viruses inactivated after passing through the antibacterial and antiviral layer; the nanofiber comprises one or more of polyacrylonitrile, polyvinyl chloride, polystyrene, chitosan, chitin and bamboo fiber; the barrier protective layer is a plant fiber non-woven fabric layer, and the plant fiber non-woven fabric layer is a bamboo fiber non-woven fabric, a hemp fiber non-woven fabric, a apocynum fiber non-woven fabric or a chitin fiber non-woven fabric, so that the natural antibacterial and antiviral effects are achieved.
5. The antiseptic and antiviral mask of claim 1 further comprising a cotton filter layer forming an antiseptic and antiviral mask having a barrier protective layer, an antiseptic and antiviral layer, a cotton filter layer, a filter layer, and a skin friendly layer in that order from the outside to the inside.
6. A method for producing the antibacterial and antiviral mask according to any one of claims 1 to 5, comprising the steps of:
s1, preparation of antibacterial and antiviral layer
S11, pretreatment of melt-blown non-woven fabrics
Padding the melt-blown non-woven fabric in a pretreatment solution to prepare the pretreated melt-blown non-woven fabric; wherein the pretreatment solution is sodium hydroxide solution, potassium hydroxide solution, mixed solution of sodium hydroxide and urea, biological enzyme solution, N-methylmorpholine-N-oxide solution, chitosan solution or plasma solution; the dipping temperature is-12 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10 percent to 160 percent;
s12, padding precursor solution of pretreated melt-blown non-woven fabric
Sequentially dipping the pretreated melt-blown non-woven fabric into an alkaline solution, a copper source solution and a reducing solution; wherein, the time for dipping each solution is 5 s-360 s, the temperature is 10 ℃ to 80 ℃, and the liquid carrying rate of the melt-blown non-woven fabric after padding is 10% -160%;
s13, in-situ synthesis of nano cuprous oxide by melt-blown non-woven fabric
Placing the melt-blown non-woven fabric subjected to padding with the precursor solution in a solvent reaction medium at 100-300 ℃ to perform in-situ reaction to generate nano cuprous oxide, and preparing the melt-blown non-woven fabric modified by the nano cuprous oxide to obtain the antibacterial and antiviral layer;
s2, overlapping and cutting the cloth layers
Sequentially overlapping the barrier protective layer, the antibacterial and antiviral layer prepared in the step S1, the filter layer and the skin-friendly layer, and cutting and preparing a nose bridge clip;
s3, folding and pressing the mask
And (3) gathering the product obtained in the step (S2) into a fold structure by a machine, pressing, and simultaneously adopting a hot-press bonding mode to press and bond the wear on the periphery and the two sides of the mask, so as to obtain the antibacterial and antiviral mask.
7. The method for producing an antibacterial and antiviral mask according to claim 6, wherein in step S12, the alkaline solution is a sodium hydroxide solution, a potassium hydroxide solution, an ammonium carbonate solution, or an aqueous ammonia solution; the copper source solution is a copper acetate solution, a copper nitrate solution, a copper sulfate solution or a copper chloride solution; the reducing solution is a sepsis blood acid solution, a glucose solution, diethylene glycol or glycerol solution; the mass fraction of the solute in the alkaline solution is 0.1-20%, the mass fraction of the solute in the copper source solution is 0.1-20%, and the mass fraction of the solute in the reducing solution is 0.1-20%.
8. The method according to claim 6, wherein in step S11, the mass fraction of the solute in the pretreatment solution is 0.1% -20%, and the padding mode is one padding, two padding, or three padding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111243553.6A CN113925240B (en) | 2021-10-25 | 2021-10-25 | Antibacterial and antiviral mask and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111243553.6A CN113925240B (en) | 2021-10-25 | 2021-10-25 | Antibacterial and antiviral mask and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113925240A CN113925240A (en) | 2022-01-14 |
| CN113925240B true CN113925240B (en) | 2024-02-23 |
Family
ID=79284153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111243553.6A Active CN113925240B (en) | 2021-10-25 | 2021-10-25 | Antibacterial and antiviral mask and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113925240B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114601216B (en) * | 2022-03-21 | 2024-09-17 | 北京化工大学 | Preparation method of mask capable of resisting viruses and decomposing ozone |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205797A (en) * | 2019-06-17 | 2019-09-06 | 常州大学 | A kind of preparation method of cuprous oxide antibacterial fabric |
| CN111493410A (en) * | 2020-04-30 | 2020-08-07 | 安徽新虹新材料科技有限公司 | Composite nano antibacterial mask and production process thereof |
| CN212754361U (en) * | 2020-03-09 | 2021-03-23 | 亿茂环境科技股份有限公司 | Antibacterial and antiviral mask |
| CN112545077A (en) * | 2020-12-21 | 2021-03-26 | 愉悦家纺有限公司 | Manufacturing method of antibacterial and antiviral mask |
| CN112716072A (en) * | 2020-12-17 | 2021-04-30 | 绍兴标点纺织科技股份有限公司 | Medical mask for resisting coronavirus |
| CN113291002A (en) * | 2021-03-10 | 2021-08-24 | 广东茂业医疗科技有限公司 | Antibacterial and antiviral mask containing cuprous oxide |
-
2021
- 2021-10-25 CN CN202111243553.6A patent/CN113925240B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205797A (en) * | 2019-06-17 | 2019-09-06 | 常州大学 | A kind of preparation method of cuprous oxide antibacterial fabric |
| CN212754361U (en) * | 2020-03-09 | 2021-03-23 | 亿茂环境科技股份有限公司 | Antibacterial and antiviral mask |
| CN111493410A (en) * | 2020-04-30 | 2020-08-07 | 安徽新虹新材料科技有限公司 | Composite nano antibacterial mask and production process thereof |
| CN112716072A (en) * | 2020-12-17 | 2021-04-30 | 绍兴标点纺织科技股份有限公司 | Medical mask for resisting coronavirus |
| CN112545077A (en) * | 2020-12-21 | 2021-03-26 | 愉悦家纺有限公司 | Manufacturing method of antibacterial and antiviral mask |
| CN113291002A (en) * | 2021-03-10 | 2021-08-24 | 广东茂业医疗科技有限公司 | Antibacterial and antiviral mask containing cuprous oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113925240A (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111227345A (en) | Antibacterial and antiviral mask and preparation method thereof | |
| JP5474645B2 (en) | Filter material for mask and mask | |
| WO2016125173A1 (en) | Antimicrobial fabric materials for use in safety masks and personal protection clothing | |
| WO2012087812A2 (en) | Antimicrobial apparel and fabric and coverings | |
| CN113291002B (en) | Antibacterial and antiviral mask containing cuprous oxide | |
| CN113925240B (en) | Antibacterial and antiviral mask and preparation method thereof | |
| CN111535033B (en) | Preparation method and application of iodine antimicrobial microporous fiber material | |
| CN112545077A (en) | Manufacturing method of antibacterial and antiviral mask | |
| CN203789201U (en) | Bacteria-proof and anti-bacterial mask | |
| TWI804867B (en) | Face mask with filter medium from multicomponent | |
| CA3174750A1 (en) | Multilayer protective antimicrobial mask comprising nanofiber membrane | |
| CN109758831A (en) | The preparation method of high-efficiency air filtering material | |
| JPWO2012131931A1 (en) | Wound dressing | |
| CN212754361U (en) | Antibacterial and antiviral mask | |
| CN113199835A (en) | Critical low-resistance mask and production process thereof | |
| CN211298524U (en) | Antibacterial mask based on molybdenum oxide antibacterial mechanism | |
| JP4669247B2 (en) | filter | |
| CN111296933A (en) | Protective mask with self-cleaning function | |
| CN111631456A (en) | Composite protective and antivirus mask and preparation method thereof | |
| KR20070082091A (en) | Mask having bamboo fabric layer | |
| JP3401076B2 (en) | Manufacturing method of antibacterial fiber | |
| JP5885917B2 (en) | Antibacterial deodorant, its fiber structure, and medical / nursing care products | |
| TWI289443B (en) | Nano-silver medical dressing | |
| Ramratan et al. | Reusable face mask for the knitted fabric with finishes treatment | |
| KR20030044972A (en) | Antimicrobial Mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |