CN111764168A - Finishing process of antibacterial protective clothing - Google Patents
Finishing process of antibacterial protective clothing Download PDFInfo
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- CN111764168A CN111764168A CN202010450903.5A CN202010450903A CN111764168A CN 111764168 A CN111764168 A CN 111764168A CN 202010450903 A CN202010450903 A CN 202010450903A CN 111764168 A CN111764168 A CN 111764168A
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- protective clothing
- finishing
- antibacterial
- silk fibroin
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- 230000001681 protective effect Effects 0.000 title claims abstract description 90
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 54
- 238000007730 finishing process Methods 0.000 title claims abstract description 22
- 108010022355 Fibroins Proteins 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000005406 washing Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000000643 oven drying Methods 0.000 claims abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 56
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 31
- 239000004408 titanium dioxide Substances 0.000 claims description 28
- 239000004332 silver Substances 0.000 claims description 24
- 229910052709 silver Inorganic materials 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 10
- 239000003999 initiator Substances 0.000 claims description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 108090000765 processed proteins & peptides Proteins 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- YJKHMSPWWGBKTN-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)F YJKHMSPWWGBKTN-UHFFFAOYSA-N 0.000 claims description 5
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 5
- AZKVWQKMDGGDSV-BCMRRPTOSA-N Genipin Chemical group COC(=O)C1=CO[C@@H](O)[C@@H]2C(CO)=CC[C@H]12 AZKVWQKMDGGDSV-BCMRRPTOSA-N 0.000 claims description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- AZKVWQKMDGGDSV-UHFFFAOYSA-N genipin Natural products COC(=O)C1=COC(O)C2C(CO)=CCC12 AZKVWQKMDGGDSV-UHFFFAOYSA-N 0.000 claims description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 abstract description 7
- 239000004745 nonwoven fabric Substances 0.000 abstract description 6
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000003385 bacteriostatic effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 230000002147 killing effect Effects 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229920001184 polypeptide Polymers 0.000 description 2
- 102000004196 processed proteins & peptides Human genes 0.000 description 2
- -1 sorbitan ester Chemical class 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- 239000001116 FEMA 4028 Substances 0.000 description 1
- 102000009123 Fibrin Human genes 0.000 description 1
- 108010073385 Fibrin Proteins 0.000 description 1
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 1
- 229960004853 betadex Drugs 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229950003499 fibrin Drugs 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- XTKPPGOIXYXHKF-ISXLPWLRSA-N methyl (1r)-1-hydroxy-7-(hydroxymethyl)-1,4a,7,7a-tetrahydrocyclopenta[c]pyran-4-carboxylate Chemical group COC(=O)C1=CO[C@@H](O)C2C(CO)C=CC12 XTKPPGOIXYXHKF-ISXLPWLRSA-N 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000001038 titanium pigment Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- 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
- D06M15/15—Proteins 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
- 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
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- 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
- D06M11/58—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 nitrogen or compounds thereof, e.g. with nitrides
- D06M11/64—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 nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
- D06M11/65—Salts of oxyacids of nitrogen
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- 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
- D06M11/83—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 metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
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- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- 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
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a finishing process of antibacterial protective clothing, which relates to protective clothing made of polyester non-woven fabric, and comprises the following steps: s1 pretreatment: immersing the protective clothing in the pretreatment liquid at 40-50 deg.C for 15-20min, taking out, washing with water, and oven drying; s2 finishing silk fibroin: the protective clothing is pretreated by S1, then is immersed into the silk fibroin finishing liquid, is soaked for two times and rolled for two times, is pre-dried for 3-5min at the temperature of 75-80 ℃, is then dried for 60-90S at the temperature of 140-160 ℃, and is finally washed and dried for standby application; s3 antibacterial finishing: after being finished by S2 silk fibroin, the protective clothing is soaked in the antibacterial finishing liquid at the temperature of 50-60 ℃, taken out and then baked for 90-120S at the temperature of 130-140 ℃, and finally washed and dried for later use; s4 cleaning: after S3 antistatic finishing, the protective clothing is sequentially soaped and washed with water at the water temperature of 40-50 ℃, and finally dried. The protective clothing finished by the invention can still keep excellent antibacterial property after being washed for many times.
Description
Technical Field
The invention relates to the technical field of protective clothing, in particular to an antibacterial protective clothing finishing process.
Background
Protective clothing is classified into antibacterial clothing, cold protective clothing, radiation protective clothing, antistatic clothing and the like according to different protective functions. The antibacterial clothes are mainly suitable for clean workshops in the industries of electronics, pharmacy, food and the like, and can also be used in medical institutions, sterile laboratories and the like.
Chinese patent No. CN101638846B discloses an antibacterial antistatic multifunctional nonwoven fabric, which is prepared by unreeling nonwoven grey fabric, applying a finishing agent through an ultrasonic foam applying machine, extruding the redundant finishing agent through a rolling mill, drying through an oven, and reeling, wherein the finishing agent comprises the following components: sodium dodecyl sulfate, hydroxyethyl cellulose, nano silver powder, a penetrating agent JFC, nano silicon dioxide, gamma-aminopropyl triethoxysilane, sorbitan ester, hexadecyl trimethyl ammonium chloride, methacrylic acid, beta-cyclodextrin and perfume.
The technical scheme is that nano silver is combined on non-woven grey cloth through an arrangement method, and the strong inhibition and killing effects of the nano silver on microorganisms are utilized to realize antibiosis. However, the method still has the following defects: the crosslinking property between the nano silver and the non-woven grey cloth is poor, the nano silver is easy to fall off after being washed for many times, and the antibacterial property is greatly reduced to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an antibacterial protective clothing finishing process, and the protective clothing has excellent antibacterial property and washability.
The above object of the present invention is achieved by the following technical solutions:
a finishing process of antibacterial protective clothing, which is made of polyester non-woven fabric, comprises the following steps:
s1 pretreatment: immersing the protective clothing in the pretreatment liquid at 40-50 deg.C for 15-20min, taking out, washing with water, and oven drying;
s2 finishing silk fibroin: the protective clothing is pretreated by S1, then is immersed into the silk fibroin finishing liquid, is soaked for two times and rolled for two times, is pre-dried for 3-5min at the temperature of 75-80 ℃, is then dried for 60-90S at the temperature of 140-160 ℃, and is finally washed and dried for standby application;
s3 antibacterial finishing: after being finished by S2 silk fibroin, the protective clothing is soaked in the antibacterial finishing liquid at the temperature of 50-60 ℃, taken out and then baked for 90-120S at the temperature of 130-140 ℃, and finally washed and dried for later use;
s4 cleaning: after S3 antistatic finishing, soaping and washing the protective clothing in sequence with water temperature of 40-50 ℃, and finally drying;
the preparation process of the antibacterial finishing liquid is as follows:
firstly, uniformly mixing 10-15 parts of KH570, 15-20 parts of deionized water and 30-40 parts of absolute ethyl alcohol, then adding 15-20 parts of silver-loaded titanium dioxide, carrying out ultrasonic dispersion for 20-30min, then heating to 70-80 ℃, refluxing for 2-3h, and finally filtering, washing with ethanol, drying and grinding to obtain a pre-product;
and secondly, uniformly mixing 3-4 parts of the pre-product, 100-120 parts of deionized water, 0.4-0.6 part of OP-10, 0.4-0.6 part of sodium dodecyl sulfate and 10-12 parts of butyl acrylate, heating to 45-55 ℃, reacting for 20-30min, adding 0.01-0.02 part of initiator KPS, continuously heating to 70-80 ℃, reacting for 20-30min, then adding 3-4 parts of butyl acrylate, 8-10 parts of methyl methacrylate, 4-5 parts of dodecafluoroheptyl methacrylate and 0.02-0.04 part of initiator KPS, continuously reacting for 2-3h, finally cooling and discharging, and adjusting the pH value to 6-7 to obtain the antibacterial finishing liquid.
By adopting the technical scheme, the protective clothing is pretreated by S1 to remove impurities mixed in the fibers, so that subsequent finishing is convenient; after S2 silk fibroin arrangement, a layer of silk fibroin film is tightly coated on the surface of the polyester fiber; after S3 antibacterial finishing, a large amount of silver-loaded titanium dioxide is attached to the silk fibroin film; and cleaning by S4 to obtain the final product.
The nano titanium dioxide can generate conduction band electrons, valence band holes and the like under the excitation of light to form an oxidation-reduction system, so that the nano titanium dioxide has the function of killing bacteria, and can be used as a carrier to load nano silver. The nano silver has strong inhibiting and killing effects on microorganisms, and the bactericidal effect of the loaded nano titanium dioxide is improved. After the silver-loaded titanium dioxide is modified, on one hand, the dispersing effect is greatly improved, the aggregation is not easy, on the other hand, the adhesive force of the silver-loaded titanium dioxide to silk fibroin is improved, the shedding is not easy, and the washability of the protective clothing after finishing is effectively improved.
The present invention in a preferred example may be further configured to: the preparation process of the silver-loaded titanium dioxide comprises the following steps: according to the weight portion, 5-6 portions of titanium dioxide and 35-40 portions of 0.1mol/L silver nitrate solution are mixed and stirred uniformly for 15-20min, 15-20 portions of 0.1mol/L sodium carbonate solution and 0.1-0.2 portion of EDTA are added, the mixture is irradiated under an ultraviolet light source and stirred for 1-2h, and finally the mixed solution is washed by deionized water, filtered, dried and ground to obtain the silver-carrying titanium dioxide.
By adopting the technical scheme, the silver-loaded titanium dioxide is prepared by adopting a photocatalysis method, and the preparation method has the advantage that silver is uniformly distributed on the surface of the titanium dioxide. EDTA is added as a catalyst, so that the loading capacity of silver is greatly improved.
The present invention in a preferred example may be further configured to: the particle size of the silver-loaded titanium dioxide is 20-30 nm.
By adopting the technical scheme, the antibacterial property of the silver-loaded titanium dioxide is fully exerted under the particle size, and the bactericidal effect is strong.
The present invention in a preferred example may be further configured to: the pretreatment liquid comprises 10-15g/L hydrogen peroxide, 10-15g/L sodium hydroxide and 1-1.5g/L penetrant JFC.
By adopting the technical scheme, the protective clothing is good in cleaning and bleaching effect, and the finishing process can be smoothly carried out.
The present invention in a preferred example may be further configured to: the pretreatment liquid also comprises 3-aminopropyltrimethoxysilane of 3-4 g/L.
By adopting the technical scheme, the 3-aminopropyl trimethoxy silane has reactivity and can be crosslinked with polyester fibers, so that the adhesive force of the silk fibroin film is improved, and the washability of the protective clothing is improved.
The present invention in a preferred example may be further configured to: the silk fibroin finishing liquid comprises the following components in parts by weight: 13-18 parts of silk peptide powder, 20-25 parts of cross-linking agent, 2-4 parts of triethanolamine, 5-8 parts of magnesium chloride and 250 parts of water 200-.
By adopting the technical scheme, the silk fibroin finishing liquid is ecological and environment-friendly, wastewater, waste gas and the like cannot be generated in the finishing process, the silk fibroin macromolecular chains are continuously split to generate low-molecular polypeptides, the low-molecular polypeptides easily enter the interior of the fibers and form hydrogen bonds, salt bonds, van der waals force and the like with active groups in the wool fibers, so that a silk fibroin film is formed on the surfaces of the wool fibers. The fibroin is natural high molecular fibrin extracted from silk, has unique molecular structure, good antimicrobial property, moisture absorption property and moisture retention property, and is mainly used as an adsorption film for adsorbing nano titanium dioxide.
The present invention in a preferred example may be further configured to: the cross-linking agent is genipin.
By adopting the technical scheme, genipin is an excellent natural biological cross-linking agent, can replace glutaraldehyde, and is used for tightly combining silk fibroin and wool fibers.
The present invention in a preferred example may be further configured to: the silk fibroin finishing liquid also comprises 2-3 parts of cerium nitrate.
By adopting the technical scheme, the silk fibroin film and the cerium ions are coordinated, so that the solubility of the silk fibroin film is reduced, and the washability of the wool fabric is improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. after the protective clothing is subjected to antibacterial finishing, a large amount of silver-loaded titanium dioxide is attached to the surface of the protective clothing, so that the protective clothing has excellent bactericidal and bacteriostatic effects and meets the protection requirements;
2. the protective clothing is finished by silk fibroin, and the silver-loaded titanium dioxide is attached by utilizing a silk fibroin film, so that the adhesive force and the attachment quantity of the silver-loaded titanium dioxide can be improved;
3. cerium nitrate is added into the silk fibroin finishing liquid, so that the silk fibroin film is not easy to lose, and the washability of the wool fabric is improved.
Drawings
Fig. 1 is a schematic flow chart of the first to third embodiments.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention adopts the following raw materials:
silk peptide powder was purchased from xintiansi biotechnology limited, lake.
The nano titanium dioxide is TA18, and is purchased from Shanghai titanium pigment industry Co.
The first embodiment is as follows:
a finishing process of antibacterial protective clothing is characterized in that the protective clothing is made of polyester non-woven fabric, as shown in figure 1, the finishing process comprises the following steps:
s1 pretreatment: immersing the protective clothing in pretreatment liquid, wherein the bath ratio is 1:20, the temperature is 40 ℃, the treatment is 15min, the protective clothing is taken out after the treatment is finished, the protective clothing is washed by water and dried at 90 ℃ for standby application, and the pretreatment liquid comprises 10g/L30 wt% hydrogen peroxide, 10g/L sodium hydroxide, 1g/L penetrant JFC and 3 g/L3-aminopropyltrimethoxysilane;
s2 finishing silk fibroin: the protective clothing is pretreated by S1 and then is immersed into silk fibroin finishing liquid, the bath ratio is 1:20, the soaking and rolling are carried out twice, the rolling residue rate is 75%, then the protective clothing is pre-dried for 3min at the temperature of 75 ℃, then the protective clothing is baked for 60S at the temperature of 140 ℃, finally the protective clothing is washed by water and dried at the temperature of 80 ℃ for standby application, and the silk fibroin finishing liquid comprises the following components in parts by weight: 13 parts of silk peptide powder, 20 parts of genipin, 2 parts of triethanolamine, 2 parts of cerium nitrate, 5 parts of magnesium chloride and 200 parts of water;
s3 antibacterial finishing: after finishing silk fibroin at S2, soaking the protective clothing into antibacterial finishing liquid, taking out the protective clothing at the bath ratio of 1:20 and the temperature of 50 ℃, baking the protective clothing for 90S at the temperature of 130 ℃, finally washing the protective clothing with water and drying the protective clothing at the temperature of 80 ℃ for later use;
s4 cleaning: after antistatic finishing, the protective clothing is sequentially soaped and washed by water at the water temperature of 40 ℃ and finally dried by S3.
The preparation process of the antibacterial finishing liquid is as follows:
firstly, mixing 5 parts of nano titanium dioxide and 35 parts of 0.1mol/L silver nitrate solution in parts by weight, uniformly stirring for 15min, adding 15 parts of 0.1mol/L sodium carbonate solution and 0.1 part of EDTA, irradiating the mixture at a position 20cm under a 10W ultraviolet light source, stirring for 1h, washing the mixed solution with deionized water, filtering, drying and grinding the mixed solution to 20nm to obtain silver-loaded titanium dioxide;
step two, uniformly mixing 10 parts of KH570, 15 parts of deionized water and 30 parts of absolute ethyl alcohol, adding 15 parts of silver-loaded titanium dioxide, performing ultrasonic dispersion for 20min, heating to 70 ℃, refluxing for 2h, and finally filtering, washing with ethanol, drying and grinding to obtain a pre-product;
and thirdly, uniformly mixing 3 parts of the pre-product, 100 parts of deionized water, 0.4 part of OP-10, 0.4 part of sodium dodecyl sulfate and 10 parts of butyl acrylate, heating to 45 ℃, reacting for 20min, adding 0.01 part of initiator KPS, continuously heating to 70 ℃, reacting for 20min, then adding 3 parts of butyl acrylate, 8 parts of methyl methacrylate, 4 parts of dodecafluoroheptyl methacrylate and 0.02 part of initiator KPS, continuously reacting for 2h, finally cooling and discharging, and adjusting the pH value to 6 by using sodium bicarbonate to obtain the antibacterial finishing liquid.
Example two:
a finishing process of antibacterial protective clothing is characterized in that the protective clothing is made of polyester non-woven fabric, as shown in figure 1, the finishing process comprises the following steps:
s1 pretreatment: immersing the protective clothing in pretreatment liquid, wherein the bath ratio is 1:20, the temperature is 50 ℃, the treatment is 20min, the protective clothing is taken out after the treatment, the water washing and the drying are carried out at 90 ℃ for standby application, and the pretreatment liquid comprises 15g/L30 wt% hydrogen peroxide, 15g/L sodium hydroxide, 1.5g/L penetrant JFC and 4 g/L3-aminopropyltrimethoxysilane;
s2 finishing silk fibroin: the protective clothing is pretreated by S1 and then is immersed into silk fibroin finishing liquid, the bath ratio is 1:20, the soaking and rolling are carried out twice, the rolling residue rate is 75%, then the protective clothing is pre-dried for 5min at 80 ℃, then the protective clothing is baked for 90S at 160 ℃, finally the protective clothing is washed by water and dried at 80 ℃ for standby, and the silk fibroin finishing liquid comprises the following components in parts by weight: 18 parts of silk peptide powder, 25 parts of genipin, 4 parts of triethanolamine, 3 parts of cerium nitrate, 8 parts of magnesium chloride and 250 parts of water;
s3 antibacterial finishing: after finishing silk fibroin at S2, soaking the protective clothing into antibacterial finishing liquid, taking out the protective clothing at the bath ratio of 1:20 and the temperature of 60 ℃, baking the protective clothing for 120S at the temperature of 140 ℃, finally washing the protective clothing with water and drying the protective clothing for later use at the temperature of 80 ℃;
s4 cleaning: after antistatic finishing, the protective clothing is sequentially soaped and washed by water at the water temperature of 50 ℃ and finally dried by S3.
The preparation process of the antibacterial finishing liquid is as follows:
firstly, mixing 6 parts of nano titanium dioxide and 40 parts of 0.1mol/L silver nitrate solution in parts by weight, uniformly stirring for 20min, adding 20 parts of 0.1mol/L sodium carbonate solution and 0.2 part of EDTA, irradiating the mixture at a position 20cm under a 10W ultraviolet light source, stirring for 2h, washing the mixed solution with deionized water, filtering, drying and grinding to 30nm to obtain silver-loaded titanium dioxide;
step two, uniformly mixing 15 parts of KH570, 20 parts of deionized water and 40 parts of absolute ethyl alcohol, adding 20 parts of silver-loaded titanium dioxide, performing ultrasonic dispersion for 30min, heating to 80 ℃, refluxing for 3h, and finally filtering, washing with ethanol, drying and grinding to obtain a pre-product;
and thirdly, uniformly mixing 4 parts of the pre-product, 120 parts of deionized water, 0.6 part of OP-10, 0.6 part of sodium dodecyl sulfate and 12 parts of butyl acrylate, heating to 55 ℃, reacting for 30min, adding 0.02 part of initiator KPS, continuously heating to 80 ℃, reacting for 30min, then adding 4 parts of butyl acrylate, 10 parts of methyl methacrylate, 5 parts of dodecafluoroheptyl methacrylate and 0.04 part of initiator KPS, continuously reacting for 3h, finally cooling and discharging, and adjusting the pH value to 7 by using sodium bicarbonate to obtain the antibacterial finishing liquid.
Example three:
a finishing process of antibacterial protective clothing is characterized in that the protective clothing is made of polyester non-woven fabric, as shown in figure 1, the finishing process comprises the following steps:
s1 pretreatment: immersing the protective clothing in pretreatment liquid, wherein the bath ratio is 1:20, the temperature is 45 ℃, the treatment is 18min, the protective clothing is taken out after the treatment, the water washing and the drying are carried out at 90 ℃ for standby application, and the pretreatment liquid comprises 12g/L30 wt% hydrogen peroxide, 12g/L sodium hydroxide, 1.2g/L penetrant JFC and 3.5 g/L3-aminopropyltrimethoxysilane;
s2 finishing silk fibroin: the protective clothing is pretreated by S1 and then is immersed into silk fibroin finishing liquid, the bath ratio is 1:20, the soaking and rolling are carried out twice, the rolling residue rate is 75%, then the protective clothing is pre-dried for 4min at 78 ℃, then the protective clothing is baked for 80S at 150 ℃, finally the protective clothing is washed by water and is dried for standby at 80 ℃, and the silk fibroin finishing liquid comprises the following components in parts by weight: 15 parts of silk peptide powder, 22 parts of genipin, 3 parts of triethanolamine, 2.5 parts of cerium nitrate, 7 parts of magnesium chloride and 220 parts of water;
s3 antibacterial finishing: after finishing silk fibroin at S2, soaking the protective clothing into antibacterial finishing liquid, taking out the protective clothing at the bath ratio of 1:20 and the temperature of 55 ℃, baking the protective clothing for 100S at 135 ℃, finally washing the protective clothing with water and drying the protective clothing at 80 ℃ for later use;
s4 cleaning: after antistatic finishing, the protective clothing is sequentially soaped and washed by water at the water temperature of 45 ℃ and finally dried by S3.
The preparation process of the antibacterial finishing liquid is as follows:
firstly, mixing and uniformly stirring 5.5 parts of nano titanium dioxide and 38 parts of 0.1mol/L silver nitrate solution in parts by weight for 18min, then adding 18 parts of 0.1mol/L sodium carbonate solution and 0.15 part of EDTA, irradiating the mixture at a position 20cm under a 10W ultraviolet light source and simultaneously stirring the mixture for 1.5h, finally washing the mixed solution with deionized water, filtering, drying and grinding the mixed solution to 25nm to obtain silver-loaded titanium dioxide;
step two, uniformly mixing 12 parts of KH570, 18 parts of deionized water and 35 parts of absolute ethyl alcohol, adding 18 parts of silver-loaded titanium dioxide, performing ultrasonic dispersion for 25min, heating to 75 ℃, refluxing for 2.5h, and finally filtering, washing with ethanol, drying and grinding to obtain a pre-product;
and thirdly, uniformly mixing 3.5 parts of the pre-product, 110 parts of deionized water, 0.5 part of OP-10, 0.5 part of sodium dodecyl sulfate and 11 parts of butyl acrylate, heating to 50 ℃, reacting for 25min, adding 0.015 part of initiator KPS, continuously heating to 75 ℃, reacting for 25min, then adding 3.5 parts of butyl acrylate, 9 parts of methyl methacrylate, 4.5 parts of dodecafluoroheptyl methacrylate and 0.03 part of initiator KPS, continuously reacting for 2.5h, finally cooling and discharging, and adjusting the pH value to 6.5 by using sodium bicarbonate to obtain the antibacterial finishing liquid.
Example four:
the difference from example three is that the silk fibroin finish did not include cerium nitrate.
Example five:
the difference from example three is that the pretreatment liquid does not include 3-aminopropyltrimethoxysilane.
Comparative example one:
the difference from the third embodiment is that silk fibroin finishing in step S2 is not included.
Comparative example two:
the difference from the third example is that the silver-loaded titanium dioxide in the antistatic finishing liquid is not modified,
and (3) performance testing:
reference is made to GB/T20944.3-2008 < evaluation of antibacterial properties of textiles section 3: the antibacterial property of the protective clothing is tested by the method recorded in the oscillatory method, the strain is staphylococcus aureus, the antibacterial rate is tested under the conditions of no water washing and 30 times of water washing, and the result is recorded in table 1.
Table 1 protective clothing performance test result recording table
From the data in table 1, one can see:
1. the third embodiment is the preferred embodiment, the protective clothing has excellent bacteriostatic rate before and after washing, and meets the protection requirement;
2. the inhibition rate of the protective clothing in the fourth and fifth embodiments is greatly reduced after 30 times of water washing, and it can be seen that 3-aminopropyltrimethoxysilane is helpful for the attachment of the silk fibroin film, and cerium nitrate can reduce the dissolution loss of the silk fibroin film;
3. the bacteriostatic rate of the protective clothing of the comparative example I is greatly reduced before and after washing, and the silk fibroin film is helpful to the adhesive force and the adhesive amount of the silver-loaded titanium dioxide;
4. the bacteriostasis rate of the protective clothing of the comparative example II is greatly reduced before and after washing, and the adhesive force and the adhesive amount between the modified silver-loaded titanium dioxide and the silk fibroin film are improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A finishing process of antibacterial protective clothing is characterized by comprising the following steps:
s1 pretreatment: immersing the protective clothing in the pretreatment liquid at 40-50 deg.C for 15-20min, taking out, washing with water, and oven drying;
s2 finishing silk fibroin: the protective clothing is pretreated by S1, then is immersed into the silk fibroin finishing liquid, is soaked for two times and rolled for two times, is pre-dried for 3-5min at the temperature of 75-80 ℃, is then dried for 60-90S at the temperature of 140-160 ℃, and is finally washed and dried for standby application;
s3 antibacterial finishing: after being finished by S2 silk fibroin, the protective clothing is soaked in the antibacterial finishing liquid at the temperature of 50-60 ℃, taken out and then baked for 90-120S at the temperature of 130-140 ℃, and finally washed and dried for later use;
s4 cleaning: after S3 antistatic finishing, soaping and washing the protective clothing in sequence with water temperature of 40-50 ℃, and finally drying;
the preparation process of the antibacterial finishing liquid is as follows:
firstly, uniformly mixing 10-15 parts of KH570, 15-20 parts of deionized water and 30-40 parts of absolute ethyl alcohol, then adding 15-20 parts of silver-loaded titanium dioxide, carrying out ultrasonic dispersion for 20-30min, then heating to 70-80 ℃, refluxing for 2-3h, and finally filtering, washing with ethanol, drying and grinding to obtain a pre-product;
and secondly, uniformly mixing 3-4 parts of the pre-product, 100-120 parts of deionized water, 0.4-0.6 part of OP-10, 0.4-0.6 part of sodium dodecyl sulfate and 10-12 parts of butyl acrylate, heating to 45-55 ℃, reacting for 20-30min, adding 0.01-0.02 part of initiator KPS, continuously heating to 70-80 ℃, reacting for 20-30min, then adding 3-4 parts of butyl acrylate, 8-10 parts of methyl methacrylate, 4-5 parts of dodecafluoroheptyl methacrylate and 0.02-0.04 part of initiator KPS, continuously reacting for 2-3h, finally cooling and discharging, and adjusting the pH value to 6-7 to obtain the antibacterial finishing liquid.
2. The finishing process of the antibacterial protective clothing according to claim 1, characterized in that: the preparation process of the silver-loaded titanium dioxide comprises the following steps: according to the weight portion, 5-6 portions of titanium dioxide and 35-40 portions of 0.1mol/L silver nitrate solution are mixed and stirred uniformly for 15-20min, 15-20 portions of 0.1mol/L sodium carbonate solution and 0.1-0.2 portion of EDTA are added, the mixture is irradiated under an ultraviolet light source and stirred for 1-2h, and finally the mixed solution is washed by deionized water, filtered, dried and ground to obtain the silver-carrying titanium dioxide.
3. The finishing process of the antibacterial protective clothing according to claim 1, characterized in that: the particle size of the silver-loaded titanium dioxide is 20-30 nm.
4. The finishing process of the antibacterial protective clothing according to claim 1, characterized in that: the pretreatment liquid comprises 10-15g/L hydrogen peroxide, 10-15g/L sodium hydroxide and 1-1.5g/L penetrant JFC.
5. The finishing process of the antibacterial protective clothing according to claim 4, characterized in that: the pretreatment liquid also comprises 3-aminopropyltrimethoxysilane of 3-4 g/L.
6. The finishing process of the antibacterial protective clothing according to claim 1, characterized in that: the silk fibroin finishing liquid comprises the following components in parts by weight: 13-18 parts of silk peptide powder, 20-25 parts of cross-linking agent, 2-4 parts of triethanolamine, 5-8 parts of magnesium chloride and 250 parts of water 200-.
7. The finishing process of the antibacterial protective clothing according to claim 6, characterized in that: the cross-linking agent is genipin.
8. The finishing process of the antibacterial protective clothing according to claim 6, characterized in that: the silk fibroin finishing liquid also comprises 2-3 parts of cerium nitrate.
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