CN117552154B - Antibacterial skin-friendly braid and preparation method and application thereof in underwear shoulder straps - Google Patents
Antibacterial skin-friendly braid and preparation method and application thereof in underwear shoulder straps Download PDFInfo
- Publication number
- CN117552154B CN117552154B CN202410019216.6A CN202410019216A CN117552154B CN 117552154 B CN117552154 B CN 117552154B CN 202410019216 A CN202410019216 A CN 202410019216A CN 117552154 B CN117552154 B CN 117552154B
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- CN
- China
- Prior art keywords
- titanium dioxide
- nano mesoporous
- mesoporous titanium
- friendly
- modified
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 205
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 101
- 239000004952 Polyamide Substances 0.000 claims abstract description 72
- 229920002647 polyamide Polymers 0.000 claims abstract description 72
- 239000000835 fiber Substances 0.000 claims abstract description 62
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 45
- 229920000728 polyester Polymers 0.000 claims abstract description 42
- 238000001035 drying Methods 0.000 claims abstract description 40
- 229920001661 Chitosan Polymers 0.000 claims abstract description 37
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 37
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 34
- QMADMVRXHYGRER-UHFFFAOYSA-N 1-(2,5-dimethoxyphenyl)benzimidazole-5-carboxylic acid Chemical compound COC1=CC=C(OC)C(N2C3=CC=C(C=C3N=C2)C(O)=O)=C1 QMADMVRXHYGRER-UHFFFAOYSA-N 0.000 claims abstract description 25
- 125000003172 aldehyde group Chemical group 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims abstract description 24
- 239000000022 bacteriostatic agent Substances 0.000 claims abstract description 22
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000009987 spinning Methods 0.000 claims abstract description 14
- 238000002074 melt spinning Methods 0.000 claims abstract description 11
- 238000009941 weaving Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 54
- 238000006243 chemical reaction Methods 0.000 claims description 40
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 36
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000008367 deionised water Substances 0.000 claims description 32
- 229910021641 deionized water Inorganic materials 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000005406 washing Methods 0.000 claims description 28
- 125000003342 alkenyl group Chemical group 0.000 claims description 24
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 19
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 18
- -1 polyethylene Polymers 0.000 claims description 17
- 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 16
- 230000003385 bacteriostatic effect Effects 0.000 claims description 16
- 239000008103 glucose Substances 0.000 claims description 16
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000004005 microsphere Substances 0.000 claims description 9
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 7
- 150000001299 aldehydes Chemical class 0.000 claims description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 5
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000003828 vacuum filtration Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 abstract description 11
- 239000004753 textile Substances 0.000 abstract description 7
- 239000003242 anti bacterial agent Substances 0.000 abstract description 6
- 239000002216 antistatic agent Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 28
- 239000002244 precipitate Substances 0.000 description 22
- 239000000243 solution Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- XRWMGCFJVKDVMD-UHFFFAOYSA-M didodecyl(dimethyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCC XRWMGCFJVKDVMD-UHFFFAOYSA-M 0.000 description 8
- 239000004744 fabric Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229920000433 Lyocell Polymers 0.000 description 7
- 239000002262 Schiff base Substances 0.000 description 6
- 150000004753 Schiff bases Chemical class 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 241000191967 Staphylococcus aureus Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical class [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 230000001153 anti-wrinkle effect Effects 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 239000001257 hydrogen Chemical group 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000006907 apoptotic process Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 210000005260 human cell Anatomy 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical compound [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/533—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads antistatic; electrically conductive
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/573—Tensile strength
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/58—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads characterised by the coefficients of friction
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D3/00—Woven fabrics characterised by their shape
- D03D3/005—Tapes or ribbons not otherwise provided for
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/02—Underwear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to the technical field of textile, and discloses a preparation method of an antibacterial skin-friendly braid, which comprises the following steps: modifying the nano mesoporous titanium dioxide to prepare aldehyde group modified nano mesoporous titanium dioxide; aldehyde group modified nano mesoporous titanium dioxide, chitosan, absolute ethyl alcohol and potassium hydroxide react to obtain modified titanium dioxide; modified titanium dioxide, methylene dichloride, dicyclohexylcarbodiimide, 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, mixing, reacting and drying to obtain a composite bacteriostatic agent; mixing polyamide, a composite antibacterial agent, an antistatic agent and a dispersing agent, and carrying out melt spinning to obtain modified polyamide fibers; and respectively spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns, and finally weaving the modified polyamide yarns and the polyester yarns into the antibacterial skin-friendly woven belt. The webbing has good skin-friendly antibacterial property, and can be used for manufacturing underwear shoulder straps.
Description
Technical Field
The invention relates to the technical field of textile, and discloses a bacteriostatic skin-friendly braid, a preparation method thereof and application thereof in underwear shoulder straps.
Background
In order to ensure comfort, the underwear shoulder strap is good in skin-friendly performance, and in the prior art, textile raw materials with good skin-friendly performance mainly comprise natural fibers such as silk fibers, wool fibers, cotton fibers, hemp fibers and the like, and the raw materials have free hydroxyl groups, so that the raw materials have good skin-friendly performance, but do not have good antibacterial performance. The polyamide frequently used in the textile field contains repeated amide bonds on the main chain, so that the polyamide is not only hydrophilic and hygroscopic, but also has higher wear resistance than all other fibers; the polyester fiber is generally considered as polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, and the synthetic fiber obtained by spinning has good crease resistance and shape retention and higher strength and elastic recovery capability. The polyamide fiber and the polyester fiber have the same characteristics, can be used in the textile field, and are subjected to modification treatment or composite use at present, so that the comprehensive performance is improved, and the fabric woven by high-quality fibers is obtained.
Chinese patent application CN106048844A discloses a preparation method of a flame-retardant antibacterial blended fabric, which comprises the following steps: the raw materials with different weight portions are blended and woven, wherein the mass ratio of the modified polyamide fiber to the cotton fiber to the modal fiber to the nylon fiber to the bamboo fiber to the mica fiber to the tencel is (10-20), the mass ratio of the modified polyamide fiber to the cotton fiber to the tencel is (40-80), the mass ratio of the modified polyamide fiber to the tencel to the mica fiber to the tencel is (10-30), the mass ratio of the modified polyamide fiber to the tencel is (40-80), the mass ratio of the modified polyamide fiber to the tencel to the modal fiber to the tencel is (10-20), and the antibacterial finishing liquid is used for carrying out aftertreatment on the blended fabric to obtain the flame-retardant antibacterial fabric, and the fabric is soft and hygroscopic. The raw materials required for preparing the flame-retardant antibacterial blended fabric are numerous, the raw materials are required to be treated respectively for many times, the process is complicated, the provided antibacterial rate is 89% at most, and the antibacterial effect is required to be improved.
Chinese patent CN106084133B discloses a synthetic method of bacteriostatic super absorbent resin, which comprises the steps of dissolving a monomer in a sodium hydroxide solution, adding a bacteriostatic agent and a cross-linking agent solution, uniformly mixing to obtain a mixed solution, washing and drying to obtain the bacteriostatic super absorbent resin, wherein the bacteriostatic agent belongs to quaternary ammonium salts, comprises polyquaternary ammonium salt-7 or polyquaternary ammonium salt-11, has a bacteriostatic effect on gram-positive bacteria staphylococcus aureus and gram-negative bacteria escherichia coli, and needs to increase the concentration of the quaternary ammonium salt to improve the antibacterial performance, but can cause toxicity to human cells.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a preparation method of a bacteriostatic skin-friendly braid, and the braid prepared by the method has skin-friendly bacteriostasis and excellent shape retention and antistatic property.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A preparation method of an antibacterial skin-friendly woven belt comprises the following steps:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxy silane, reacting, centrifuging after the reaction, and drying to obtain alkenyl modified nano mesoporous titanium dioxide;
Step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, adding acrolein and ammonium persulfate, reacting in a nitrogen atmosphere, centrifuging, washing and drying after the reaction to obtain aldehyde modified nano mesoporous titanium dioxide;
dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, adding potassium hydroxide and chitosan, reacting, centrifuging, washing and drying to obtain modified nano mesoporous titanium dioxide;
step (4), adding the modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, mixing for reaction, centrifuging, washing and drying to obtain a composite bacteriostatic agent;
step (5), mixing (3-7) and (0.5-2) of polyamide, a composite bacteriostatic agent and polyethylene wax according to the mass ratio of (3-7) to (0.3-1), melt spinning, and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers into modified polyamide yarns, spinning the polyester fibers into polyester yarns, and weaving the antibacterial skin-friendly woven belt by taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns.
Preferably, in the step (1), the nano mesoporous titanium dioxide is prepared by the following steps:
Dissolving glucose in deionized water, performing hydrothermal reaction at 160-180 ℃ for 10-12h, cooling to room temperature after the reaction, performing vacuum filtration, and drying to obtain monodisperse carbon microspheres; adding the monodisperse carbon microspheres into deionized water, carrying out ultrasonic treatment, sequentially adding concentrated hydrochloric acid solution, titanium sulfate and glucose, uniformly mixing, carrying out hydrothermal reaction at 160-180 ℃ for 10-12h, centrifuging, washing, drying and calcining to obtain the nano mesoporous titanium dioxide.
Preferably, the mass ratio of the glucose to the deionized water is (3-6): 100-300, the frequency of ultrasonic treatment is 20kHz, the ultrasonic treatment time is 25-35min, the mass ratio of the monodisperse carbon microsphere, the deionized water, the concentrated hydrochloric acid solution, the titanium sulfate and the glucose is 0.6:100, (2.3-2.5): 1-1.5): 0.8-1.2, and the calcining temperature is 550 ℃.
Preferably, the mass ratio of the glucose to the deionized water is 6:100.
Preferably, the concentration of the concentrated hydrochloric acid solution is 36% -38% (i.e. the mass percentage of hydrogen chloride in the hydrochloric acid solution is 36% -38%).
Preferably, in the step (1), the mass ratio of the nano mesoporous titanium dioxide to the anhydrous ethanol to the gamma-methacryloxypropyl trimethoxysilane is (150-350): 2500-4500): 50-70; the reaction temperature is 55-65 ℃ and the reaction time is 8-10h.
Preferably, in the step (2), the mass ratio of the alkenyl modified nano mesoporous titanium dioxide, the N, N-dimethylformamide, the acrolein and the ammonium persulfate is 100 (2400-3900): 32-52): 1-2.2; the reaction temperature is 60-70 ℃ and the reaction time is 3-4h.
Preferably, in the step (3), the mass ratio of the aldehyde group modified nano mesoporous titanium dioxide to the absolute ethyl alcohol to the chitosan to the potassium hydroxide is (500-900): 1800-2800): 20-40): 80-100; the reaction temperature is 60-70 ℃ and the reaction time is 2-4h; wherein the molecular weight of chitosan is 3000Da.
Preferably, in the step (4), the mass ratio of the modified nano mesoporous titanium dioxide, methylene dichloride, dicyclohexylcarbodiimide and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid is (200-400): (1000-1800): (0.8-1.2): (300-500).
Preferably, in the step (5), the temperature of melt blending is 270-280 ℃.
Preferably, in the step (6), the yarn count of the modified polyamide yarn is 15-18Nm (metric count), the yarn count of the polyester yarn is 15-18Nm, and the gram weight of the antibacterial skin-friendly woven belt is 200-220g/m 2.
Preferably, the inert gas comprises nitrogen.
The invention also discloses the antibacterial skin-friendly braid prepared by the preparation method.
Compared with the prior art, the invention has the beneficial effects that:
In the invention, nano titanium dioxide with a mesoporous structure is used as an inorganic antibacterial agent, bacteria are decomposed by the nano titanium dioxide under the photocatalysis effect to achieve the antibacterial effect, the specific surface area of the nano titanium dioxide is large due to the mesoporous structure, more reaction sites can be provided, and the antibacterial effect is enhanced; the chitosan is used as an organic antibacterial agent, has a good biological alkaline antibacterial agent and is rich in amino and hydroxyl. Under alkaline condition, chitosan reacts with aldehyde modified nano mesoporous titanium dioxide, amino (-NH 2) on chitosan molecules reacts with active carbonyl (-C=O-) in aldehyde groups on the aldehyde modified nano mesoporous titanium dioxide to generate new groups of carbon-nitrogen double bonds (-C=N-), namely Schiff base, and the Schiff base has inhibition effect on various harmful bacteria and has good inhibition effect on escherichia coli and staphylococcus aureus. Therefore, when the antibacterial substance chitosan is introduced, a new antibacterial group is generated through reaction, the antibacterial performance is improved, and the nano mesoporous titanium dioxide is connected with the chitosan through a stable chemical bond. The chitosan itself has a large amount of hydroxyl groups, and finally the added 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid can combine with part of hydroxyl groups without damaging the original antibacterial effect, so that the hydrophilicity is reduced, and the bacteria are prevented from breeding.
The polyamide fiber used in the invention has the characteristics of high cohesive energy of amide bond, good strength and toughness, difficult damage and high elasticity, is a good crease-resistant fiber, has heat resistance and plasticity, and has skin-friendly property and high hydrophilicity. Meanwhile, the polyester fiber contains hydroxyl groups, the polyamide fiber contains amino groups, hydrogen bonds can be formed, the acting force between the polyester fiber and the polyamide fiber is stronger, and the prepared antibacterial skin-friendly woven belt has good wear resistance, tensile property and elasticity.
When the nano mesoporous titanium dioxide is prepared, glucose molecules are used as crystal nuclei for growing nano mesoporous titanium dioxide microcrystals, and glucose which is not used as the crystal nuclei and is carbonized occupies the position of the titanium dioxide and prevents the titanium dioxide from growing, so that the aggregation is prevented, and the dispersion is facilitated.
Drawings
FIG. 1 is a flow chart of a process for preparing the antibacterial skin-friendly braid in the invention;
FIG. 2 is a schematic diagram of the reaction of aldehyde-modified nano mesoporous titanium dioxide with chitosan in the present invention;
FIG. 3 is a schematic illustration of the reaction of modified nano mesoporous titanium dioxide with 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid in the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
Example 1
The embodiment provides a preparation method of a bacteriostatic skin-friendly braid, which comprises the following steps:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxy silane according to a mass ratio of 150:2500:50, reacting for 10 hours at a temperature of 55 ℃, centrifuging for 10 minutes at a rotating speed of 1500r/min after the reaction, and drying the centrifugated precipitate for 6 hours at a temperature of 80 ℃ to obtain alkenyl modified nano mesoporous titanium dioxide;
Step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, and adding acrolein and ammonium persulfate, wherein the mass ratio of the alkenyl modified nano mesoporous titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:2400:32:1; reacting for 4 hours at 60 ℃ in nitrogen atmosphere, centrifuging for 5 minutes at 2000r/min after reacting, washing the centrifugal precipitate with deionized water for 3 times, and drying for 8 hours at 60 ℃ to obtain aldehyde group modified nano mesoporous titanium dioxide;
Dispersing aldehyde modified nano mesoporous titanium dioxide into absolute ethyl alcohol, adding potassium hydroxide, chitosan, reacting the aldehyde modified nano mesoporous titanium dioxide, the absolute ethyl alcohol, the chitosan and the potassium hydroxide at a mass ratio of 500:1800:20:80 for 4 hours at a temperature of 60 ℃, centrifuging for 5 minutes at a rotating speed of 2000r/min after the reaction, washing the centrifugated precipitate with deionized water to be neutral, and drying for 10 hours at a temperature of 80 ℃ to obtain modified nano mesoporous titanium dioxide;
Adding modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide, 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, reacting for 24 hours at 30 ℃, centrifuging for 5 minutes at 2000r/min, washing the centrifugate with absolute ethyl alcohol for 3 times, and drying for 6 hours at 80 ℃ to obtain the composite bacteriostatic agent;
Step (5), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:3:0.5:0.3, and then carrying out melt spinning at the melting temperature of 270 ℃ and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 18Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 200g/m 2.
Example 2
The embodiment provides a preparation method of a bacteriostatic skin-friendly braid, which comprises the following steps:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxysilane according to a mass ratio of 200:2875:55, reacting for 9.5 hours at 57.5 ℃, centrifuging for 8 minutes at 1600r/min after the reaction, and drying the centrifugated precipitate at 85 ℃ for 5.5 hours to obtain alkenyl modified nano mesoporous titanium dioxide;
Step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, and adding acrolein and ammonium persulfate, wherein the mass ratio of the alkenyl modified nano mesoporous titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:2775:37:1.3; in nitrogen atmosphere, reacting for 3.75 hours at the temperature of 62.5 ℃, centrifuging for 5 minutes at the rotating speed of 2000r/min after the reaction, washing the centrifugal precipitate with deionized water for 3 times, and drying for 7.5 hours at the temperature of 65 ℃ to obtain aldehyde group modified nano mesoporous titanium dioxide;
dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, and adding potassium hydroxide, chitosan, wherein the mass ratio of the aldehyde group modified nano mesoporous titanium dioxide to the absolute ethyl alcohol to the chitosan to the potassium hydroxide is 600:2050:25:85; reacting at 62.5 ℃ for 3.5 hours, centrifuging at 2000r/min for 5 minutes after the reaction, washing the centrifugal precipitate with deionized water to be neutral, and drying at 90 ℃ for 9.5 hours to obtain the modified nano mesoporous titanium dioxide;
Step (4), adding modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide, 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, reacting the modified nano mesoporous titanium dioxide, the dichloromethane, the dicyclohexylcarbodiimide, the 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid in a mass ratio of 250:1200:0.9:350 at a temperature of 32 ℃ for 21 hours, centrifuging the mixture at a speed of 2000r/min for 5 minutes after the reaction, washing the centrifugate with absolute ethyl alcohol for 3 times, and drying the centrifugate at a temperature of 85 ℃ for 5.5 hours to obtain a composite bacteriostatic agent;
Step (5), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:4:0.88:0.5, and then carrying out melt spinning at the melting temperature of 270 ℃ and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 18Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 200g/m 2.
Example 3
The embodiment provides a preparation method of a bacteriostatic skin-friendly braid, which comprises the following steps:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxysilane according to a mass ratio of 250:3250:60, reacting for 9 hours at a temperature of 60 ℃, centrifuging for 7 minutes at a rotating speed of 1700r/min after the reaction, and drying the centrifugated precipitate for 5 hours at a temperature of 90 ℃ to obtain alkenyl modified nano mesoporous titanium dioxide;
Step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, and adding acrolein and ammonium persulfate, wherein the mass ratio of the alkenyl modified nano mesoporous titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:3150:42:1.6; reacting for 3.5 hours at 65 ℃ in nitrogen atmosphere, centrifuging for 8 minutes at 1800r/min after the reaction, washing the centrifugal precipitate with deionized water for 3 times, and drying for 7 hours at 70 ℃ to obtain aldehyde group modified nano mesoporous titanium dioxide;
dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, and adding potassium hydroxide, chitosan, wherein the mass ratio of the aldehyde group modified nano mesoporous titanium dioxide to the absolute ethyl alcohol to the chitosan to the potassium hydroxide is 700:2300:30:90; reacting for 3 hours at 65 ℃, centrifuging for 5 minutes at a rotating speed of 2000r/min after the reaction, washing the centrifugal precipitate to be neutral by deionized water, and drying for 9 hours at 100 ℃ to obtain the modified nano mesoporous titanium dioxide;
Adding modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide, 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, reacting for 18 hours at 34 ℃, centrifuging for 5 minutes at 2000r/min, washing the centrifugate with absolute ethyl alcohol for 3 times, and drying for 5 hours at 90 ℃ to obtain a composite bacteriostatic agent;
Step (5), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:5:1.25:0.65, and carrying out melt spinning at the melting temperature of 275 ℃ and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 16Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 210g/m 2.
Example 4
The embodiment provides a preparation method of a bacteriostatic skin-friendly braid, which comprises the following steps:
Uniformly mixing the nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxysilane according to a mass ratio of 300:3625:65, reacting for 8.5 hours at a temperature of 62.5 ℃, centrifuging for 6 minutes at a rotating speed of 1800r/min after the reaction, and drying the centrifugated precipitate at a temperature of 95 ℃ for 4.5 hours to obtain alkenyl modified nano mesoporous titanium dioxide;
Step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, and adding acrolein and ammonium persulfate, wherein the mass ratio of the alkenyl modified nano mesoporous titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:3525:47:1.9; in nitrogen atmosphere, reacting for 3.25 hours at 67.5 ℃, centrifuging for 10 minutes at a rotating speed of 1500r/min after the reaction, washing the centrifugal precipitate with deionized water for 3 times, and drying for 6.5 hours at 75 ℃ to obtain aldehyde group modified nano mesoporous titanium dioxide;
Dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, and adding potassium hydroxide, chitosan, wherein the mass ratio of the aldehyde group modified nano mesoporous titanium dioxide to the absolute ethyl alcohol to the chitosan to the potassium hydroxide is 800:2550:35:95; reacting at 67.5 ℃ for 2.5 hours, centrifuging at 2000r/min for 5 minutes after the reaction, washing the centrifugal precipitate with deionized water to be neutral, and drying at 110 ℃ for 8.5 hours to obtain the modified nano mesoporous titanium dioxide;
adding modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide, 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, reacting the modified nano mesoporous titanium dioxide, the dichloromethane, the dicyclohexylcarbodiimide and the 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid at the mass ratio of 350:1600:1.1:450 for 15 hours at 36 ℃, centrifuging the mixture for 5 minutes at the speed of 2000r/min after the reaction, washing the centrifugate with absolute ethyl alcohol for 3 times, and drying the mixture at the temperature of 95 ℃ for 4.5 hours to obtain a composite bacteriostatic agent;
Step (5), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:6:1.65:0.85, and carrying out melt spinning at the melting temperature of 280 ℃ and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 15Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 220g/m 2.
Example 5
The embodiment provides a preparation method of a bacteriostatic skin-friendly braid, which comprises the following steps:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxy silane according to a mass ratio of 350:4500:70, reacting for 8 hours at 65 ℃, centrifuging for 5 minutes at 2000r/min after the reaction, and drying the centrifugated precipitate for 4 hours at 100 ℃ to obtain alkenyl modified nano mesoporous titanium dioxide;
step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, and adding acrolein and ammonium persulfate, wherein the mass ratio of the alkenyl modified nano mesoporous titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:3900:52:2.2; in nitrogen atmosphere, reacting for 3 hours at 70 ℃, centrifuging for 10 minutes at a rotating speed of 1500r/min after the reaction, washing the centrifugal precipitate with deionized water for 3 times, and drying for 6 hours at 80 ℃ to obtain aldehyde group modified nano mesoporous titanium dioxide;
Dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, and adding potassium hydroxide and chitosan, wherein the mass ratio of the aldehyde group modified nano mesoporous titanium dioxide to the absolute ethyl alcohol to the chitosan to the potassium hydroxide is 900:2800:40:100; reacting for 2 hours at 70 ℃, centrifuging for 5 minutes at 2000r/min after reacting, washing the centrifugated precipitate to be neutral by deionized water, and drying for 8 hours at 120 ℃ to obtain the modified nano mesoporous titanium dioxide;
Adding modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, reacting the modified nano mesoporous titanium dioxide, dichloromethane, dicyclohexylcarbodiimide and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid for 12 hours at the temperature of 38 ℃, centrifuging for 5 minutes at the speed of 2000r/min, washing the centrifugated precipitate with absolute ethyl alcohol for 3 times, and drying for 4 hours at the temperature of 100 ℃ to obtain a composite antibacterial agent;
Step (5), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:7:2:1, and carrying out melt spinning at the melting temperature of 280 ℃ and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 15Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 220g/m 2.
Comparative example 1
The comparative example provides a preparation method of an antibacterial skin-friendly braid, which comprises the following steps:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxy silane according to a mass ratio of 150:2500:50, reacting for 10 hours at a temperature of 55 ℃, centrifuging for 10 minutes at a rotating speed of 1500r/min after the reaction, and drying the centrifugated precipitate for 6 hours at a temperature of 80 ℃ to obtain alkenyl modified nano mesoporous titanium dioxide;
step (2), adding alkenyl modified nano mesoporous titanium dioxide
Adding acrolein and ammonium persulfate into N, N-dimethylformamide, wherein the mass ratio of the alkenyl modified nano mesoporous titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:2400:32:1; reacting for 4 hours at 60 ℃ in nitrogen atmosphere, centrifuging for 5 minutes at 2000r/min after reacting, washing the centrifugal precipitate with deionized water for 3 times, and drying for 8 hours at 60 ℃ to obtain aldehyde group modified nano mesoporous titanium dioxide;
Step (3), adding chitosan into deionized water, adding 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, mixing and reacting the chitosan, the deionized water, dicyclohexylcarbodiimide and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid for 4 hours at room temperature in a mass ratio of 8:1200:0.8:300, centrifuging the mixture for 5 minutes at a rotating speed of 2000r/min after the reaction, and drying the mixture at a temperature of 80 ℃ for 6 hours to obtain modified chitosan;
dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, adding modified chitosan, wherein the mass ratio of the aldehyde group modified nano mesoporous titanium dioxide to the absolute ethyl alcohol to the modified chitosan is 500:1880:20, mixing, centrifuging for 5min at a rotating speed of 2000r/min, washing the centrifugated precipitate with deionized water to be neutral, and drying for 10h at a temperature of 80 ℃ to obtain a composite bacteriostatic agent;
Step (5), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:3:0.5:0.3, and then carrying out melt spinning at the melting temperature of 270 ℃ and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 18Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 200g/m 2.
Comparative example 2
The comparative example provides a preparation method of an antibacterial skin-friendly braid, which comprises the following steps:
Uniformly mixing chitosan and deionized water, adding 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, uniformly mixing, wherein the mass ratio of the chitosan to the deionized water to the 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid is 200:1000.8:300, stirring for 15min at the rotating speed of 1200r/min, and uniformly mixing to obtain the composite bacteriostatic agent;
Step (2), uniformly mixing polyamide, a composite bacteriostatic agent, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 100:3:0.5:0.3, and then carrying out melt spinning at the melting temperature of 270 ℃ and chopping to obtain modified polyamide fibers;
And (3) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 18Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 200g/m 2.
Comparative example 3
The comparative example provides a preparation method of an antibacterial skin-friendly braid, which comprises the following steps:
Uniformly mixing nano titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxy silane according to a mass ratio of 150:2500:50, reacting for 10 hours at 55 ℃, centrifuging for 10 minutes at a rotating speed of 1500r/min after the reaction, and drying the centrifugated precipitate for 6 hours at a temperature of 80 ℃ to obtain alkenyl modified nano titanium dioxide;
Step (2), adding alkenyl modified nano titanium dioxide into N, N-dimethylformamide, and adding acrolein and ammonium persulfate, wherein the mass ratio of the alkenyl modified nano titanium dioxide to the N, N-dimethylformamide to the acrolein to the ammonium persulfate is 100:2400:32:1; reacting for 4 hours at 60 ℃ in nitrogen atmosphere, centrifuging for 5 minutes at 2000r/min after reacting, washing the centrifugal precipitate with deionized water for 3 times, and drying for 8 hours at 60 ℃ to obtain aldehyde modified nano titanium dioxide;
Step (3), uniformly mixing polyamide, aldehyde modified nano titanium dioxide, didodecyl dimethyl ammonium bromide and polyethylene wax according to the mass ratio of 101.85:1.15:0.5:0.3, and then carrying out melt spinning and chopping at the melting temperature of 270 ℃ to obtain modified polyamide fibers;
and (4) spinning the modified polyamide fibers and the polyester fibers into modified polyamide yarns and polyester yarns with yarn count of 18Nm, taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns, and weaving the antibacterial skin-friendly woven belt with gram weight of 200g/m 2.
The preparation process of the nano mesoporous titania used in examples 1 to 5 and comparative examples 1 to 2 includes the following steps:
Dissolving glucose in deionized water, performing hydrothermal reaction for 12 hours at 180 ℃ at the mass ratio of the glucose to the deionized water of 6:100, cooling to room temperature after the reaction, performing vacuum filtration under 0.06Mpa, and drying for 15 hours at 50 ℃ to obtain monodisperse carbon microspheres; adding monodisperse carbon microspheres into deionized water, carrying out ultrasonic treatment for 30min at the frequency of 20kHz, sequentially adding concentrated hydrochloric acid solution, titanium sulfate and glucose, wherein the mass ratio of the monodisperse carbon microspheres to the deionized water to the concentrated hydrochloric acid solution to the titanium sulfate to the glucose is 0.6:100:2.4:1.2:1, the concentration of the concentrated hydrochloric acid solution is 37%, carrying out hydrothermal reaction for 12h at the temperature of 180 ℃ after uniform mixing, centrifuging for 5min at the speed of 3000Dar/min after reaction, washing the centrifugated precipitate with deionized water, drying for 10h at the temperature of 80 ℃, and finally calcining at the temperature of 550 ℃ to obtain the nano mesoporous titanium dioxide;
the particle size of the prepared nano mesoporous titanium dioxide is 200-300nm.
Titanium sulfate was purchased from atan wan duoxin chemical industry limited, CAS:13693-11-3; glucose was from Hubei truogx biotechnology limited, CAS:58367-01-4;1- (2, 5-Dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid was purchased from WUKaweiss technologies Inc., CAS:452088-81-2; nano titanium dioxide is purchased from Hangzhou Jipun new materials, inc., particle size: 200nm, crystalline form: rutile type; polyamides were purchased from Shanghai, pacific industries, inc., trade name: PA6, cat No.: b3EG6; polyester fiber was purchased from su state, boussida chemical fiber limited, cat: psf454, fineness: 3D, length: 65mm.
The antibacterial skin-friendly webbing woven in examples 1 to 5 and comparative examples 1 to 3 was subjected to the corresponding test, and the test results are shown below:
(1) Antibacterial performance test: evaluation of antibacterial Properties of textiles with test Standard GB/T20944.3-2008 part 3: the antibacterial skin-friendly braids of examples 1 to 5 and comparative examples 1 to 3 were subjected to antibacterial performance test by an oscillation method, and experimental strains were selected from escherichia coli and staphylococcus aureus, and test results are shown in table 1:
TABLE 1
| Test item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Coliform bacteria inhibition rate (%) | 96.9 | 97.4 | 98.2 | 98.7 | 99.5 | 92.3 | 90.6 | 85.6 |
| Staphylococcus aureus antibacterial rate (%) | 97.5 | 97.8 | 98.6 | 99.1 | 99.1 | 92.7 | 90.8 | 82.5 |
According to the test results of Table 1, it can be seen that the nano mesoporous titanium dioxide has excellent antibacterial capability, electrons on the nanoscale titanium dioxide valence band can be excited to a conduction band under the action of illumination to generate electron-hole pairs, migrate to the surface of the nano titanium dioxide to generate active oxygen, react with organic matters in bacteria and promote apoptosis; mesoporous structure provides more active sites for the reactants. The chitosan has good biocompatibility and antibacterial property, and the modified titanium dioxide and the chitosan are combined to generate Schiff base, so that the antibacterial effect is further improved. The carboxyl in the 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid reacts with the hydroxyl in the chitosan, so that the hydrophilicity is reduced, and the antibacterial effect is better facilitated. In comparative example 1, aldehyde group modified nano mesoporous titanium dioxide and modified chitosan do not react to generate Schiff base as in example 1, and the antibacterial effect is reduced; comparative example 1 has no schiff base in the composite antibacterial agent compared with example 1, and has a bacteriostatic effect inferior to that of example 1; comparative example 2 in comparative example 1, no titanium dioxide was added, and no Schiff base was added, and the bacteriostatic effect was lower than that of comparative example 1; in the example 1, the dicyclohexylcarbodiimide can promote the reaction of 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid to generate an ester group, and the ester group is hydrophobic, so that the deionized water in the comparative example 2 has obvious effect of not having dicyclohexylcarbodiimide, and the hydrophobicity is poorer than that of the comparative example 1, so that the antibacterial effect of the comparative example 2 is lower than that of the comparative example 1; comparative example 3 as a blank, comparative example 3 was a nano titanium dioxide of non-mesoporous structure, and no chitosan and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid were added, and the antibacterial performance was greatly reduced.
(2) Anti-wrinkle performance test: anti-wrinkle performance tests were carried out on the bacteriostatic skin-friendly webbing of examples 1-5 and comparative examples 1-3 respectively using test standard GB/T3819-1997 "determination of fold recovery of textile fabrics recovery Angle method", and the test results are shown in Table 2:
TABLE 2
| Test item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Folding return angle (°) | 286 | 289 | 288 | 291 | 285 | 283 | 279 | 276 |
As can be seen from the test results in Table 2, the antibacterial skin-friendly woven belt prepared by the invention has excellent crease resistance, and the polyester fiber and the polyamide fiber belong to high molecular compounds and have good crease resistance, shape retention and elastic recovery capacity; the nano titanium dioxide has the characteristic of improving the wrinkle resistance of the fabric, the nano mesoporous titanium dioxide in the examples 1-5 is crosslinked with chitosan and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid in sequence to form a larger molecular structure, namely a composite bacteriostatic agent, and amino and carbonyl in the polyamide can be tightly connected with the composite bacteriostatic agent through hydrogen bonds, so that the dispersibility of the nano mesoporous titanium dioxide in the polyamide is provided to further improve the wrinkle resistance. In the comparative example, the wrinkle resistance was slightly lowered because no complex bacteriostat of a large molecular structure was formed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The preparation method of the antibacterial skin-friendly braid is characterized by comprising the following steps of:
Uniformly mixing nano mesoporous titanium dioxide, absolute ethyl alcohol and gamma-methacryloxypropyl trimethoxy silane, reacting, centrifuging after the reaction, and drying to obtain alkenyl modified nano mesoporous titanium dioxide;
the nano mesoporous titanium dioxide is prepared by the following steps:
Dissolving glucose in deionized water, performing hydrothermal reaction at 160-180 ℃ for 10-12h, cooling to room temperature after the reaction, performing vacuum filtration, and drying to obtain monodisperse carbon microspheres; adding the monodisperse carbon microspheres into deionized water, carrying out ultrasonic treatment, sequentially adding concentrated hydrochloric acid solution, titanium sulfate and glucose, uniformly mixing, carrying out hydrothermal reaction at 160-180 ℃ for 10-12h, centrifuging, washing, drying and calcining to obtain nano mesoporous titanium dioxide;
The mass ratio of the glucose to the deionized water is (3-6) (100-300), the ultrasonic treatment frequency is 20kHz, the ultrasonic treatment time is 25-35min, the mass ratio of the monodisperse carbon microsphere to the deionized water to the concentrated hydrochloric acid solution to the titanium sulfate to the glucose is 0.6:100 (2.3-2.5) (1-1.5) (0.8-1.2), and the calcining temperature is 550 ℃;
Step (2), adding alkenyl modified nano mesoporous titanium dioxide into N, N-dimethylformamide, adding acrolein and ammonium persulfate, reacting in a nitrogen atmosphere, centrifuging, washing and drying after the reaction to obtain aldehyde modified nano mesoporous titanium dioxide;
dispersing aldehyde group modified nano mesoporous titanium dioxide into absolute ethyl alcohol, adding potassium hydroxide and chitosan, reacting, centrifuging, washing and drying to obtain modified nano mesoporous titanium dioxide;
step (4), adding the modified nano mesoporous titanium dioxide into dichloromethane, adding dicyclohexylcarbodiimide and 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid, mixing for reaction, centrifuging, washing and drying to obtain a composite bacteriostatic agent;
Wherein, the mass ratio of the modified nano mesoporous titanium dioxide to the dichloromethane to the dicyclohexylcarbodiimide to the 1- (2, 5-dimethoxyphenyl) -1H-benzimidazole-5-carboxylic acid is (200-400) (1000-1800) (0.8-1.2) (300-500); the reaction temperature is 30-38 ℃ and the reaction time is 12-24h;
step (5), mixing (3-7) and (0.5-2) of polyamide, a composite bacteriostatic agent and polyethylene wax according to the mass ratio of (3-7) to (0.3-1), melt spinning, and chopping to obtain modified polyamide fibers;
And (6) spinning the modified polyamide fibers into modified polyamide yarns, spinning the polyester fibers into polyester yarns, and weaving the antibacterial skin-friendly woven belt by taking the modified polyamide yarns as warp yarns and the polyester yarns as weft yarns.
2. The method for preparing the antibacterial skin-friendly woven belt according to claim 1, wherein in the step (1), the mass ratio of the nano mesoporous titanium dioxide to the anhydrous ethanol to the gamma-methacryloxypropyl trimethoxysilane is (150-350): 2500-4500): 50-70; the reaction temperature is 55-65 ℃ and the reaction time is 8-10h.
3. The method for preparing the antibacterial skin-friendly braid according to claim 1, wherein in the step (2), the mass ratio of the alkenyl modified nano mesoporous titanium dioxide, the N, N-dimethylformamide, the acrolein and the ammonium persulfate is 100 (2400-3900): 32-52): 1-2.2; the reaction temperature is 60-70 ℃ and the reaction time is 3-4h.
4. The method for preparing the antibacterial skin-friendly braid according to claim 1, wherein in the step (3), the mass ratio of aldehyde group modified nano mesoporous titanium dioxide to anhydrous alcohol to chitosan to potassium hydroxide is (500-900): 1800-2800): 20-40): 80-100; the reaction temperature is 60-70 ℃ and the reaction time is 2-4h; wherein the molecular weight of chitosan is 3000Da.
5. The method for producing an antibacterial skin-friendly webbing according to claim 1, wherein in the step (5), the temperature of melt blending is 270-280 ℃;
In the step (6), the yarn count of the modified polyamide yarn is 15-18Nm, the yarn count of the polyester yarn is 15-18Nm, and the gram weight of the antibacterial skin-friendly woven belt is 200-220g/m 2.
6. A bacteriostatic skin-friendly webbing prepared by the preparation method of the bacteriostatic skin-friendly webbing according to any one of claims 1-5.
7. Use of the bacteriostatic skin-friendly webbing according to claim 6 in a shoulder strap of an undergarment.
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