CN110130105A - A kind of preparation method of antibacterial photocatalytic functional fabric - Google Patents
A kind of preparation method of antibacterial photocatalytic functional fabric Download PDFInfo
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- CN110130105A CN110130105A CN201910255799.1A CN201910255799A CN110130105A CN 110130105 A CN110130105 A CN 110130105A CN 201910255799 A CN201910255799 A CN 201910255799A CN 110130105 A CN110130105 A CN 110130105A
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- fabric
- titania nanotube
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- photocatalytic functional
- graphene
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- 239000004744 fabric Substances 0.000 title claims abstract description 92
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 37
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000002071 nanotube Substances 0.000 claims abstract description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 238000011049 filling Methods 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 12
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000077 silane Inorganic materials 0.000 claims abstract description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 8
- 239000008055 phosphate buffer solution Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000010792 warming Methods 0.000 claims abstract description 6
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 19
- 229920001661 Chitosan Polymers 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 13
- -1 bromo Dopamine hydrochloride Chemical compound 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- 239000007853 buffer solution Substances 0.000 claims description 5
- 229960001149 dopamine hydrochloride Drugs 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 230000008595 infiltration Effects 0.000 claims description 5
- 238000001764 infiltration Methods 0.000 claims description 5
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 5
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 5
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 5
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 241000446313 Lamella Species 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920002334 Spandex Polymers 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000004759 spandex Substances 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010992 reflux Methods 0.000 abstract description 4
- 238000004887 air purification Methods 0.000 abstract description 3
- 230000002085 persistent effect Effects 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000008363 phosphate buffer Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 235000011008 sodium phosphates Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000011787 zinc oxide 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
- 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
- D06M11/73—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 carbon or compounds thereof
- D06M11/74—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 carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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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
- 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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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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
- 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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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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
- D06M2101/34—Polyamides
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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
- 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
- D06M2101/38—Polyurethanes
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Abstract
The invention discloses a kind of preparation methods of antibacterial photocatalytic functional fabric, comprising: (1) is surface-treated fabric, is modified with silane coupling agent to fabric；(2) titania nanotube and graphene suspension are mixed, prepares graphene filling titania nanotube mixed liquor；(3) the modified mixed liquor of titania nanotube, silane coupler modified fabric are successively added to phosphate buffer solution, 30~60min of stirring obtains mass colour solution；(4) it is warming up to 80-100 DEG C of reflux 5-10h, takes out fabric drying to obtain the final product.The present invention is at low cost, and fabric strength damage is small, has antibacterial and photocatalytic self-cleaning effect, resulting photocatalytic functional fabric good air purification effect, automatically cleaning and good anti-bacterial effect concurrently, and persistent, preparation method are applicable to industrialized production.
Description
Technical field
The invention belongs to the preparation fields of antibacterial photocatalytic functional fabric, fill titanium dioxide more particularly to a kind of graphene
The preparation method of nanotube visible light catalytic and antibacterial functions fabric.
Technical background
The residue volatilization of atmosphere pollution, interior decoration and textile seriously affects the quality of room air.Therefore, it administers
Room air pollution, which especially removes the organic pollutant in room air, becomes the hot spot of domestic and international scientific worker research.Mesh
Before, the method for removing indoor air pollutants mainly has: physisorphtion, chemical neutralisation, negative aeroion method, photocatalytic method
Deng.Wherein, photocatalytic method has many advantages, such as that apparent energy conservation, efficient, contaminant degradation is thorough and without secondary pollution, it has become
A kind of environmental improvement method with important application prospect, causes the most attention of domestic and foreign scholars.Meanwhile in household items
Carpet, curtain, sofa, bedding easily breed bacterium, antimicrobial treatment is particularly important.In recent years, the research of graphene is gradually
Become upsurge, the antibiotic and sterilizing performance of graphene is widely accepted.
In the world can be many as having for catalysis material, including titanium dioxide, zinc oxide, tin oxide, zirconium dioxide, sulphur
The many oxides such as cadmium, sulfide.Wherein, titanium dioxide because its oxidability it is strong, chemical property is stablized nontoxic, becomes the world
On most hot photocatalyst material, be widely used in the industries such as sewage treatment, gas purification.But the forbidden band of titanium dioxide
Width is larger, and the only absorption biggish photon of energy can just be such that valence-band electrons migrate to conduction band, so electronics is under ultraviolet light
It can be excited.Titania nanotube has the photocatalyst physical property of titanium dioxide, while having nanometer size effect.Nanometer
Pipe has bigger specific surface area than particle, because of adsorption capacity with higher, hollow structure can largely absorb organic matter,
Improve photoelectric conversion efficiency, photocatalysis performance.Meanwhile the hollow structure of titania nanotube can be with other nanoscales
The compound production capacity synergistic effect of substance enhances performance.
Summary of the invention
Based on the above reasons, a kind of photocatalysis antibacterial complex material and preparation method thereof is provided, it can by the preparation method
To obtain graphene and the compound catalysis material of titania nanotube, to effectively improve the light of titanium dioxide nano-particle
Catalytic effect, so by the catalysis material be applied to fabric when can be with the polluted gas in efficient degradation environment.
Goal of the invention: technical problem to be solved by the invention is to provide a kind of graphene filling titania nanotubes can
See the preparation method of photocatalytic functional fabric, this method is at low cost, without secondary pollution, easy to industrialized production, resulting material
Good air purification effect.
A kind of summary of the invention: the preparation method of antibacterial photocatalytic functional fabric of the invention, comprising the following steps:
(1) by fabric after the infiltration of carboxymethyl chitosan finishing fluid, 80~100 DEG C, 1~3min is dried, carboxymethyl is obtained
Chitin modified fabric；Then by carboxymethyl chitosan modified fabric after silane coupling agent solution immersion, 80~100 DEG C,
4~8min is dried, silane coupler modified fabric is obtained；
(2) in a solvent by titania nanotube dispersion, ultrasound, stirring are added bromo Dopamine hydrochloride, continue to stir
It mixes, washs, obtain bromo titania nanotube suspension.Graphene is added in titania nanotube suspension, is adjusted
Section pH value 7~8.5,50~60 DEG C of temperature, ultrasound 12~for 24 hours, it forms graphene and fills titania nanotube mixed liquor.
(3) modified fabric, graphene filling titania nanotube mixed liquor are successively added to phosphorus under agitation
Hydrochlorate buffer solution, 30~60min of stirring obtain blackish green mixture.
(4) adjusting pH value with alkaline solution is 7~8, is warming up to 80~100 DEG C, and flow back 5~10h, takes out 80 DEG C of fabric bakings
It is dry, obtain graphene filling titania nanotube antibacterial photocatalytic functional fabric.
Preferably, fabric is cotton fabric, nylon fabric or spandex fabric in the step (1).
Preferably, fabric is non-woven cloth, woven fabric or looped fabric in the step (1).
Preferably, the silane coupling agent in the step (1) be KH-540, KH-550, KH-560, solution concentration be 1~
5g/L。
Preferably, the carboxymethyl chitosan that the carboxymethyl chitosan finishing fluid in the step (1) is 0.1%~5% is molten
Liquid.
Preferably, the titania nanotube length in the step (2) is 1~5mm, and titania nanotube diameter is
1~10um, the concentration of titania nanotube suspension are 0.1~1g/L.
Further preferably, the titania nanotube length in the step (2) is 1~2mm, titania nanotube diameter
For 5~10um.
Preferably, graphene is multi-layer graphene lamella in the step (2), is 10-30 layers of graphene-structured, graphene
Solution concentration is 0.05~0.2g/L.
Preferably, in the step (2) pH value be 7~8.5,50~60 DEG C of temperature, ultrasound 12~for 24 hours.
Preferably, phosphate buffer solution is that 0.1mol/L sodium dihydrogen phosphate and dibastic sodium phosphate mix in the step (3)
Liquid, pH value are 6.5~7.
Preferably, the ratio of modified fabric and phosphate buffer solution is 1g:50~100mL in the step (3).
Preferably, step (4) the neutral and alkali solution is the sodium hydrate aqueous solution that concentration is 0.1~1mol/L.
The utility model has the advantages that antibacterial photocatalytic functional fabric prepared by the present invention can be widely applied to house ornamentation curtain, sofa cloth,
Coverlet, quilt cover, pillow etc. on blanket, bed can also be applied to the furnishing fields such as hospital ward, laboratory, motor-car automotive interior trim,
It has broad application prospects and market prospects.
The present invention is by silane coupler modified fabric, after graphene fills titania nanotube, in fabric surface shape
At one layer of firm antibacterial photo-catalysis function layer, fabric strength can not only be enhanced, additionally it is possible to improve catalyst stability, increase
Photoelectron separation, improves photocatalysis efficiency, is the environment-protective process technology of an achievable industrialized production and practical application.
Preparation method of the invention is at low cost, and fabric strength damage is small, has antibacterial and photocatalytic self-cleaning effect, gained concurrently
Photocatalytic functional fabric good air purification effect, automatically cleaning and good anti-bacterial effect, and persistent, preparation method are applicable to
Industrialized production.
Specific embodiment
Embodiment 1
A kind of preparation method of antibacterial photocatalytic functional fabric:
1, pure cotton non-woven cloth fabric is dried at 90 DEG C after the carboxymethyl chitosan finishing fluid infiltration that concentration is 2%
Dry 3min, obtains carboxymethyl chitosan modified fabric.Then the trade mark for being 2g/L through concentration by carboxymethyl chitosan modified fabric
After KH-540 silane coupling agent solution immersion, 8min is dried at 90 DEG C, obtains silane coupler modified fabric；
It 2, is 2mm by length, diameter is that the titania nanotube of 5um is dispersed in alcohol solvent, is stirred by ultrasonic
Bromo Dopamine hydrochloride is added in 10min, continues to stir 30mim, bromo titania nanotube suspension is obtained after washing.It will
Graphene is added in titania nanotube suspension, and adjusting pH value is 8, and ultrasound for 24 hours, forms graphene under temperature 60 C
Fill titania nanotube mixed liquor.Graphene is average 20 layers of multi-layer graphene structure, and graphene is received in titanium dioxide
Mitron mixed solution concentration is 0.1g/L.
3, modified fabric, graphene filling titania nanotube mixed liquor are successively added to phosphoric acid under agitation
Salt buffer solution, stirring 60min obtain blackish green mixture.Phosphate buffer is 0.1mol/L sodium dihydrogen phosphate, pH value 7.
Wherein, the ratio of silane coupler modified fabric and phosphate buffer solution is 1g:100mL.
4, it is 7 that the alkaline solution of sodium hydroxide for being 1mol/L with concentration, which adjusts mixture ph, is warming up to 90 DEG C, reflux
10h takes out 80 DEG C of fabric drying, obtains graphene filling titania nanotube antibacterial photocatalytic functional fabric.
By the obtained antibacterial photocatalytic functional fabric of the present invention under the conditions ofs intensity of illumination, harmful gas concentration, time etc. into
Row contrast test.The experimental results showed that the cotton fabric of this technology processing has good cleaning room air and antibacterial effect.
Embodiment 2
A kind of preparation method of antibacterial photocatalytic functional fabric:
1, polyamide fibre woven fabric fabric is dried at 80 DEG C after the carboxymethyl chitosan finishing fluid infiltration that concentration is 2%
3min obtains carboxymethyl chitosan modified fabric.Then it is through the trade mark that concentration is 1g/L by carboxymethyl chitosan modified fabric
After KH-550 silane coupling agent solution immersion, 8min is dried at 80 DEG C, obtains silane coupler modified fabric；
It 2, is 1mm by length, diameter is that the titania nanotube of 5um is dispersed in alcohol solvent, is stirred by ultrasonic
Bromo Dopamine hydrochloride is added in 10min, continues to stir 30mim, bromo titania nanotube suspension is obtained after washing.It will
Graphene is added in titania nanotube suspension, and adjusting pH value is 8, and ultrasound for 24 hours, forms graphene at 80 DEG C of temperature
Fill titania nanotube mixed liquor.Graphene is average 10 layers of multi-layer graphene structure, and graphene is received in titanium dioxide
Mitron mixed solution concentration is 0.2g/L.
3, modified fabric, graphene filling titania nanotube mixed liquor are successively added to phosphoric acid under agitation
Salt buffer solution, stirring 60min obtain blackish green mixture.Phosphate buffer is 0.1mol/L sodium dihydrogen phosphate and dibastic sodium phosphate
Mixture, pH value 7.Wherein, the ratio of silane coupler modified fabric and phosphate buffer solution is 1g:50mL.
4, it is 8 that the alkaline solution of sodium hydroxide for being 0.5mol/L with concentration, which adjusts mixture ph, is warming up to 80 DEG C, reflux
10h takes out 80 DEG C of fabric drying, obtains graphene filling titania nanotube antibacterial photocatalytic functional fabric.
By the obtained antibacterial photocatalytic functional fabric of the present invention under the conditions ofs intensity of illumination, harmful gas concentration, time etc. into
Row contrast test.The experimental results showed that the cotton fabric of this technology processing has good cleaning room air and antibacterial effect.
Embodiment 3
A kind of preparation method of antibacterial photocatalytic functional fabric:
1, Polyurethane Knitted Fabric fabric is dried at 100 DEG C after the carboxymethyl chitosan finishing fluid infiltration that concentration is 5%
3min obtains carboxymethyl chitosan modified fabric.Then it is through the trade mark that concentration is 5g/L by carboxymethyl chitosan modified fabric
After KH-560 silane coupling agent solution immersion, 8min is dried at 100 DEG C, obtains silane coupler modified fabric；
It 2, is 5mm by length, diameter is that the titania nanotube of 8um is dispersed in alcohol solvent, is stirred by ultrasonic
Bromo Dopamine hydrochloride is added in 10min, continues to stir 30mim, bromo titania nanotube suspension is obtained after washing.It will
Graphene is added in titania nanotube suspension, and adjusting pH value is 8, and ultrasound for 24 hours, forms graphene at 80 DEG C of temperature
Fill titania nanotube mixed liquor.Graphene is average 20 layers of multi-layer graphene structure, and graphene is received in titanium dioxide
Mitron mixed solution concentration is 0.1g/L.
3, modified fabric, graphene filling titania nanotube mixed liquor are successively added to phosphoric acid under agitation
Salt buffer solution, stirring 40min obtain blackish green mixture.Phosphate buffer is 0.1mol/L sodium dihydrogen phosphate and dibastic sodium phosphate
Mixture, pH value 7.Wherein, the ratio of silane coupler modified fabric and phosphate buffer solution is 1g:100mL.
4, it is 8 that the alkaline solution of sodium hydroxide for being 0.2mol/L with concentration, which adjusts mixture ph, is warming up to 80 DEG C, reflux
10h takes out 80 DEG C of fabric drying, obtains graphene filling titania nanotube antibacterial photocatalytic functional fabric.
By the obtained antibacterial photocatalytic functional fabric of the present invention under the conditions ofs intensity of illumination, harmful gas concentration, time etc. into
Row contrast test.The experimental results showed that the cotton fabric of this technology processing has good cleaning room air and antibacterial effect.
Above content is that in conjunction with specific embodiments, the present invention is further explained.It should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.
Claims (9)
1. a kind of preparation method of antibacterial photocatalytic functional fabric, it is characterised in that: the following steps are included:
(1) by fabric after the infiltration of carboxymethyl chitosan finishing fluid, 80~100 DEG C, 1~3min is dried, carboxymethyl chitosan is obtained
Sugared modified fabric；Then by carboxymethyl chitosan modified fabric after silane coupling agent solution immersion, 80~100 DEG C, drying 4
~8min obtains silane coupler modified fabric；
(2) in a solvent by titania nanotube dispersion, ultrasound, stirring are added bromo Dopamine hydrochloride, continue to stir, wash
It washs, obtains bromo titania nanotube suspension.Graphene is added in titania nanotube suspension, pH value is adjusted
7~8.5,50~60 DEG C of temperature, ultrasound 12~for 24 hours, it forms graphene and fills titania nanotube mixed liquor.
(3) modified fabric, graphene filling titania nanotube mixed liquor are successively added to phosphate under agitation
Buffer solution, 30~60min of stirring obtain blackish green mixture.
(4) adjusting pH value with alkaline solution is 7~8, is warming up to 80~100 DEG C, and flow back 5~10h, takes out 80 DEG C of fabric drying,
Obtain graphene filling titania nanotube antibacterial photocatalytic functional fabric.
2. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(1) fabric in is cotton fabric, nylon fabric or spandex fabric.
3. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(1) silane coupling agent in is KH-540, KH-550, KH-560, and solution concentration is 1~5g/L.
4. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(1) carboxymethyl chitosan solution that the carboxymethyl chitosan finishing fluid in is 0.1%~5%.
5. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(2) the titania nanotube length in is 1~5mm, and titania nanotube diameter is 1~10um, titania nanotube
The concentration of suspension is 0.1~1g/L.
6. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(2) graphene in is multi-layer graphene lamella, and graphene solution concentration is 0.05~0.2g/L.
7. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(3) phosphate buffer solution in is 0.1mol/L sodium dihydrogen phosphate, and pH value is 6.5~7.
8. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(3) ratio of modified fabric and phosphate buffer solution in is 1g:50~100mL.
9. a kind of preparation method of antibacterial photocatalytic functional fabric according to claim 1, it is characterised in that: the step
(4) alkaline solution in is the sodium hydrate aqueous solution that concentration is 0.1~1mol/L.
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