CN109610165A - A kind of preparation method of antibacterial photocatalysis flaxen fiber - Google Patents
A kind of preparation method of antibacterial photocatalysis flaxen fiber Download PDFInfo
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- CN109610165A CN109610165A CN201811191669.8A CN201811191669A CN109610165A CN 109610165 A CN109610165 A CN 109610165A CN 201811191669 A CN201811191669 A CN 201811191669A CN 109610165 A CN109610165 A CN 109610165A
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- Prior art keywords
- flaxen fiber
- photocatalysis
- antibacterial
- preparation
- fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 129
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 39
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 39
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 56
- 240000007817 Olea europaea Species 0.000 claims abstract description 34
- 150000008442 polyphenolic compounds Chemical class 0.000 claims abstract description 32
- 235000013824 polyphenols Nutrition 0.000 claims abstract description 32
- 229960003638 dopamine Drugs 0.000 claims abstract description 28
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003054 catalyst Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 33
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 28
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 27
- 239000011941 photocatalyst Substances 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000004593 Epoxy Substances 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 18
- 239000004408 titanium dioxide Substances 0.000 claims description 17
- 239000002270 dispersing agent Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 14
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000006185 dispersion Substances 0.000 claims description 14
- 229910000077 silane Inorganic materials 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 14
- 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 13
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 238000004090 dissolution Methods 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 claims description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 7
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000007062 hydrolysis Effects 0.000 abstract description 3
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 3
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 238000010525 oxidative degradation reaction Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 45
- 239000007853 buffer solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical group CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- MHUWZNTUIIFHAS-CLFAGFIQSA-N dioleoyl phosphatidic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/CCCCCCCC MHUWZNTUIIFHAS-CLFAGFIQSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229960004502 levodopa Drugs 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000001226 triphosphate Substances 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000000655 anti-hydrolysis Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003138 coordinated effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Classifications
-
- 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
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/2246—Esters of unsaturated carboxylic acids
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Catalysts (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to flaxen fiber technical fields, solve the problem that fiber photocatalysis performance is bad, and photochemical catalyst causes oxidative degradation to cause fiber service life short fiber, disclose a kind of preparation method of antibacterial photocatalysis flaxen fiber.Flaxen fiber is first carried out steam shredding processing by this method, it is then immersed in olive polyphenol class extract solution, it is immersed in dopamine solution after taking-up and crosslinks reaction in one layer of three-dimensional cross-linked reticular structure of flaxen fiber surface formation, it is then immersed in pyromellitic trimethylsilyl chloride solution, pyromellitic trimethylsilyl chloride hydrolysis introduces carboxyl, is connected using the coordination of carboxyl and photochemical catalyst on flaxen fiber surface.Flaxen fiber prepared by the present invention has stronger photocatalysis performance, and photochemical catalyst will not cause Oxidative demage to fiber, and service life is longer.
Description
Technical field
The present invention relates to flaxen fiber technical fields, more particularly, to a kind of preparation method of antibacterial photocatalysis flaxen fiber.
Background technique
Photocatalysis is a kind of method of the degradation of contaminant of relative energy-saving, by utilizing sunlight can be complete effective
Degradation of contaminant, catalysis material are energy needed for being converted to chemical reaction using luminous energy existing for nature under the irradiation of light
Amount is the oxygen of surrounding and hydrone is excited into the free anion of great oxidability to generate catalytic action, itself does not rise
The substance that variation can but promote chemical reaction to carry out, catalysis material have antibiotic property, air cleaning, deodorization, mould proof, anti-
Algae, antifouling automatic cleaning action can almost decompose all organic substance base portions being harmful to the human body and divide inorganic substances.It is urged with the time
Changing material has high safety, it might even be possible to which as food and medicine additive, while catalysis material provides only reaction
Place, itself are simultaneously not involved in chemical reaction, have good persistence.In the prior art by the substance with photocatalysis
It is public come catalyzing and degrading pollutant matter, such as China Patent Publication No. CN106012071 using fiber as carrier in conjunction with fiber
A kind of continuous cellulose/TiO with photocatalysis performance is opened2Cellulose, is first configured to by the preparation method of airsetting glue fiber
Titanium dioxide optical catalyst is added in spinning solution, and acid solution, ethanol solution or acetone soln are then added in coagulating basin and makees
For coagulating bath, the spinning solution that titanium dioxide optical catalyst is added is added in coagulating bath, wet spinning is carried out, is contained
The cellulose gel glue fiber of titanium dioxide optical catalyst, by fiber roll around room temperature ageing, uses deionized water in immersion aged solution
Then washing carries out solvent displacement to neutrality, it is dry to get.To directly have photocatalysis in the technical solution of this patent disclosure
The titanium dioxide of performance is mixed into spinning solution, then passes through spinning, coagulation forming, due to most of titanium dioxide in fiber after molding
Titanium is located at the inside of fiber, and the titanium dioxide amount of fiber surface is less, and not only fiber photocatalysis performance is bad, also wastes more
Titanium dioxide raw material, has extremely strong oxidation susceptibility additionally, due to titanium dioxide under light illumination, and titanium dioxide directly connects with fiber
Touching will cause the oxidation of fiber, and the fracture of fibrous inside chemical bond is deteriorated so as to cause the mechanical property of fiber, shortens fiber
Service life.
Summary of the invention
The present invention is to overcome prior art fiber photocatalysis performance bad, and light urges agent to cause oxidative degradation to lead fiber
The problem for causing fiber service life short, provides a kind of preparation method of antibacterial photocatalysis flaxen fiber, flaxen fiber prepared by the present invention
With stronger photocatalysis performance, photochemical catalyst will not cause Oxidative demage to fiber, and service life is longer.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of preparation method of antibacterial photocatalysis flaxen fiber, comprising the following steps:
1) by dopamine and ammonium persulfate 1:0.2-0.5 in mass ratio be added to pH value be 8.2-8.5 Tris-HCl buffering it is molten
Stirring and dissolving in liquid obtains dopamine solution, spare;
2) mass concentration is added in olive polyphenol class extract is that dissolution is configured to olive polyphenol class in 60-85% ethanol water
Extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 2-5h, then carry out high temperature steam treatment 10-20min, distillation is stood after being disposed
It is dipped in olive polyphenol extract solution, sonic oscillation 5-10min, is dipped in dopamine solution after taking out flaxen fiber
In, 5-10h is reacted at 50-65 DEG C, obtains flaxen fiber a;
4) flaxen fiber a is immersed in the pyromellitic trimethylsilyl chloride solution that mass concentration is 0.4-0.8%, reacts 1-2min, obtains fiber crops
Fiber b;
5) modified titanium dioxide photocatalyst and dispersing agent are added to the water, stir evenly to form dispersion liquid, then by flaxen fiber b
It immerses in dispersion liquid and reacts 3-5h at 40-50 DEG C, make to be washed with deionized after taking-up, be dried to obtain antibacterial photocatalysis fiber crops fibre
Dimension.
The present invention first carries out steam shredding processing to flaxen fiber, the surface texture of flaxen fiber is destroyed, to make olive polyphenol
Class extract enters inside flaxen fiber under the action of ultrasonic wave and is attached to flaxen fiber surface, then is dipped in dopamine solution
In, due to having more active group amino on dopamine, there is more active phenol on olive polyphenol class extract molecule
Hydroxyl, dopamine occurs auto polymerization and hands over olive polyphenol class extract molecule under the action of oxidant ammonium sulfate
Connection, thus in one layer of flaxen fiber surface aggregate three-dimensional cross-linked reticular structure macromolecular, this three-dimensional cross-linked reticular structure macromolecular tool
There is stronger stability, there is stronger stability, there is preferable heat-resisting and antioxidation, in the effect of photochemical catalyst
Under be less likely to occur to degrade, even if Partial digestion occurs, be also not easy to fall off from fiber surface, this is because the present invention is to numb fine
Dimension carried out steam treatment before modified, so that flaxen fiber is in loose condition (of surface), enters olive polyphenol class extract inside flaxen fiber,
After polymerization crosslinking occurs for olive polyphenol class extract and dopamine, inside a part of polymer insertion flaxen fiber, to increase by three
The bond strength for tieing up cross-linked structure macromolecular and flaxen fiber, makes it be not easy to fall off from flaxen fiber surface;On the other hand, olive
Olive Polyphenols extract activity with higher has stronger bactericidal effect, inhibits growth and breeding of the bacterium on fiber, from
And prevent decomposition destruction of the bacterium to fiber and polymer.
Olive polyphenol class extract is reacted in the three-dimensional cross-linked reticular structure molecule generated with dopamine with more
The stronger amino of activity and hydroxyl group, amino and hydroxyl group can occur affine with the acid chloride groups on pyromellitic trimethylsilyl chloride
Pyromellitic trimethylsilyl chloride is grafted on three-dimensional cross-linked reticular structure molecule by substitution reaction, is had neither part nor lot in pyromellitic trimethylsilyl chloride anti-
Hydrolysis occurs in water and generates carboxyl for the acid chloride groups answered, can be with the Ti in photochemical catalyst titanium dioxide4+It is coordinated
Effect assigns flaxen fiber photocatalysis performance so that photochemical catalyst is connected to flaxen fiber surface.Compared to the prior art (background
Technical agency continues), since photochemical catalyst is connected to flaxen fiber surface, fibrous inside and insertion fibre are mixed into compared to by photochemical catalyst
Dimension table face, greatly increases the contact area of photochemical catalyst and air, to increase photocatalysis efficiency and save the use of photochemical catalyst
Amount.In addition olive polyphenol class extract reacts the three-dimensional cross-linked reticular structure macromolecular generated with dopamine and has compared with strong stability
Property, it can prevent photochemical catalyst from contacting with flaxen fiber as layer protecting film on flaxen fiber surface, to prevent the oxygen of flaxen fiber
Change degradation, extends the service life of flaxen fiber.
Preferably, dopamine solution solubility is 2-5wt% in the step 1).
Preferably, olive polyphenol class extract solution concentration is 5-15wt% in the step 2).
Preferably, sonic oscillation power is 100-200W in the step 3).
Preferably, solvent is n-hexane, toluene, one in hexamethylene in pyromellitic trimethylsilyl chloride solution in the step 4)
Kind.
Preferably, modified titanium dioxide photocatalyst additive amount is the 5-10wt% of water, dispersing agent in the step 5)
Additive amount is the 0.5-1wt% of water.
Preferably, dispersing agent is sodium tripolyphosphate, in calgon, sodium pyrophosphate, waterglass in the step 5)
At least one.
Preferably, in the step 5) modified titanium dioxide photocatalyst preparation method the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, sulfuric acid is added into suspension
The mass ratio of titanium, titanium sulfate and rodlike nano SiO 2 particle is 1:0.3-0.6,2-5h is stirred to react at 80-85 DEG C, so
After be added epoxy silane coupling, stir 10-20min, stand 30-50min, be placed at 85-95 DEG C and evaporate, be dried to obtain and change
Property titanium dioxide optical catalyst.
It is heated in water using titanium sulfate and generates nano-titanium dioxide precipitating, so that nanometer shape titanium dioxide be made to be incorporated in stick
Shape nano-silica surface, two grade carriers of the rod-like nano silica as photochemical catalyst titanium dioxide, is received due to rodlike
Rice silica is inorganic material, and the oxidisability of photochemical catalyst cannot damage it, is then coupled using epoxy radicals silicone hydride
Rod-like nano silica is connected in the three-dimensional cross-linked reticular structure macromolecular on flaxen fiber surface (epoxy radicals silicone hydride coupling by agent
The alkoxy of agent is connect with rod-like nano silica, on the epoxy ring-opening of the other end and three-dimensional cross-linked reticular structure macromolecular
The carboxyl that pyromellitic trimethylsilyl chloride hydrolysis generates reacts, so that photochemical catalyst is connected on flaxen fiber), photochemical catalyst at this time
There are the effects of two kinds of binding forces with flaxen fiber: first is that above-mentioned epoxy silane coupling is directly bonded to act on;Second is that dioxy
Change the Ti in titanium4+It is formed with the carboxyl of pyromellitic trimethylsilyl chloride hydrolysis generation in flaxen fiber surface three dimension cross-linked structure macromolecular
Coordination;To greatly improve the binding force of photochemical catalyst and flaxen fiber, photochemical catalyst is made to be not easy to fall off from fiber.
Since titanium dioxide is attached on rod-like nano silica, to reduce titanium dioxide granule and three-dimensional cross-linked reticular structure is big
Molecule contacts weaken photochemical catalyst to the oxidation of three-dimensional cross-linked reticular structure, further increase whole stability;This
In it should be noted that using other shapes nano silica, as granular nanometer silica urges the two of agent as light
Grade carrier can not reach technical effect of the invention, because the titanium dioxide on granular nanometer silica supports is easy
It is in contact with three-dimensional cross-linked reticular structure macromolecular, to cause certain shadow to the stability of three-dimensional cross-linked reticular structure
It rings.
Preferably, the shape nano SiO 2 particle additive amount is the 15-20wt% of water.
Preferably, the mass ratio of the epoxy silane coupling and rodlike nano SiO 2 particle is 1:15-20.
Therefore, the invention has the following beneficial effects:
Specific embodiment
Below by specific embodiment, technical scheme is described further.
In the present invention, if not refering in particular to, used raw material and equipment etc. are commercially available or commonly used in the art,
Method in embodiment is unless otherwise instructed the conventional method of this field.
Embodiment 1
The preparation method of modified titanium dioxide photocatalyst the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, rodlike nano SiO 2 particle
Additive amount is the 18wt% of water, and titanium sulfate, the matter of titanium sulfate and rodlike nano SiO 2 particle are then added into suspension
Amount is stirred to react 3h, then by epoxy silane coupling and rodlike nano SiO 2 particle than being 1:0.45 at 83 DEG C
Mass ratio is that epoxy silane coupling is added in 1:18, stirs 15min, stands 40min, be placed at 90 DEG C and evaporate, be dried to obtain
Modified titanium dioxide photocatalyst.
A kind of preparation method of antibacterial photocatalysis flaxen fiber, comprising the following steps:
1) dopamine and ammonium persulfate 1:0.4 in mass ratio are added in the Tris-HCl buffer solution that pH value is 8.3 and are stirred
Dissolution obtains the dopamine solution that solubility is 3.5wt%, spare;
It 2) is that be configured to concentration be 10wt% for dissolution in 70% ethanol water by olive polyphenol class extract addition mass concentration
Olive polyphenol class extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 3h, then carry out high temperature steam treatment 15min, distilled after being disposed immediately by it
It immerses in olive polyphenol extract solution, with the power sonic oscillation 8min of 150W, is dipped in dopamine after taking out flaxen fiber
In solution, 8h is reacted at 60 DEG C, obtains flaxen fiber a;
4) pyromellitic trimethylsilyl chloride is dissolved in the pyromellitic trimethylsilyl chloride solution for being configured to that concentration is 0.6wt% in n-hexane solvent,
Flaxen fiber a is immersed in pyromellitic trimethylsilyl chloride solution, 1.5min is reacted, obtains flaxen fiber b;
5) modified titanium dioxide photocatalyst and pentasodium triphosphate of dispersing agent are added to the water, modified titanium dioxide photocatalyst adds
Dosage is the 8wt% of water, and dispersing agent additive amount is the 0.7wt% of water, stirs evenly to form dispersion liquid, then soaks flaxen fiber b
Enter and react 4h in dispersion liquid at 45 DEG C, makes to be washed with deionized after taking-up, is dried to obtain antibacterial photocatalysis flaxen fiber.
Embodiment 2
The preparation method of modified titanium dioxide photocatalyst the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, rodlike nano SiO 2 particle
Additive amount is the 16wt% of water, and titanium sulfate, the matter of titanium sulfate and rodlike nano SiO 2 particle are then added into suspension
Amount is stirred to react 2.5h, then by epoxy silane coupling and rodlike nano SiO 2 particle than being 1:0.35 at 81 DEG C
Mass ratio be that epoxy silane coupling is added in 1:16, stir 12min, stand 35min, be placed at 86 DEG C evaporation, dry
To modified titanium dioxide photocatalyst.
A kind of preparation method of antibacterial photocatalysis flaxen fiber, comprising the following steps:
1) dopamine and ammonium persulfate 1:0.25 in mass ratio are added in the Tris-HCl buffer solution that pH value is 8.2 and are stirred
Dissolution obtains the dopamine solution that solubility is 2.5wt%, spare;
It 2) is that be configured to concentration be 6wt% olive for dissolution in 70% ethanol water by olive polyphenol class extract addition mass concentration
Olive Polyphenols extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 2.5h, then carry out high temperature steam treatment 12min, distillation immediately will after being disposed
It is immersed in olive polyphenol extract solution, with the power sonic oscillation 6min of 100W, is dipped in DOPA after taking out flaxen fiber
In amine aqueous solution, 6h is reacted at 52 DEG C, obtains flaxen fiber a;
4) pyromellitic trimethylsilyl chloride is dissolved in the pyromellitic trimethylsilyl chloride solution for being configured to that concentration is 0.5wt% in toluene solvant, it will
Flaxen fiber a immerses in pyromellitic trimethylsilyl chloride solution, reacts 1.5min, obtains flaxen fiber b;
5) modified titanium dioxide photocatalyst and sodium hexametaphosphate dispersant are added to the water, modified titanium dioxide photocatalyst adds
Dosage is the 6wt% of water, and dispersing agent additive amount is the 0.6wt% of water, stirs evenly to form dispersion liquid, then soaks flaxen fiber b
Enter and react 3.5h in dispersion liquid at 41 DEG C, makes to be washed with deionized after taking-up, is dried to obtain antibacterial photocatalysis flaxen fiber.
Embodiment 3
The preparation method of modified titanium dioxide photocatalyst the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, rodlike nano SiO 2 particle
Additive amount is the 18wt% of water, and titanium sulfate, the matter of titanium sulfate and rodlike nano SiO 2 particle are then added into suspension
Amount is stirred to react 4.5h, then by epoxy silane coupling and rodlike nano SiO 2 particle than being 1:0.5 at 84 DEG C
Mass ratio be that epoxy silane coupling is added in 1:19, stir 18min, stand 45min, be placed at 92 DEG C evaporation, dry
To modified titanium dioxide photocatalyst.
A kind of preparation method of antibacterial photocatalysis flaxen fiber, comprising the following steps:
1) dopamine and ammonium persulfate 1:0.45 in mass ratio are added in the Tris-HCl buffer solution that pH value is 8.4 and are stirred
Dissolution obtains the dopamine solution that solubility is 4.5wt%, spare;
It 2) is that be configured to concentration be 12wt% for dissolution in 70% ethanol water by olive polyphenol class extract addition mass concentration
Olive polyphenol class extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 4.5h, then carry out high temperature steam treatment 18min, distillation immediately will after being disposed
It is immersed in olive polyphenol extract solution, with the power sonic oscillation 9min of 180W, is dipped in DOPA after taking out flaxen fiber
In amine aqueous solution, 8h is reacted at 63 DEG C, obtains flaxen fiber a;
4) pyromellitic trimethylsilyl chloride is dissolved in the pyromellitic trimethylsilyl chloride solution for being configured to that concentration is 0.7wt% in cyclohexane solvent,
Flaxen fiber a is immersed in pyromellitic trimethylsilyl chloride solution, 2min is reacted, obtains flaxen fiber b;
5) modified titanium dioxide photocatalyst and dispersing agent sodium pyrophosphate are added to the water, modified titanium dioxide photocatalyst addition
Amount is the 9wt% of water, and dispersing agent additive amount is the 0.8wt% of water, stirs evenly to form dispersion liquid, then immerses flaxen fiber b
4.5h is reacted in dispersion liquid at 48 DEG C, makes to be washed with deionized after taking-up, be dried to obtain antibacterial photocatalysis flaxen fiber.
Embodiment 4
The preparation method of modified titanium dioxide photocatalyst the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, rodlike nano SiO 2 particle
Additive amount is the 20wt% of water, and titanium sulfate, the matter of titanium sulfate and rodlike nano SiO 2 particle are then added into suspension
Amount is stirred to react 5h, then by epoxy silane coupling and rodlike nano SiO 2 particle than being 1:0.6 at 85 DEG C
Mass ratio is that epoxy silane coupling is added in 1:20, stirs 20min, stands 50min, be placed at 95 DEG C and evaporate, be dried to obtain
Modified titanium dioxide photocatalyst.
A kind of preparation method of antibacterial photocatalysis flaxen fiber, comprising the following steps:
1) dopamine and ammonium persulfate 1:0.5 in mass ratio are added in the Tris-HCl buffer solution that pH value is 8.5 and are stirred
Dissolution obtains the dopamine solution that solubility is 5wt%, spare;
It 2) is that be configured to concentration be 15wt% for dissolution in 85% ethanol water by olive polyphenol class extract addition mass concentration
Olive polyphenol class extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 5h, then carry out high temperature steam treatment 20min, distilled after being disposed immediately by it
It immerses in olive polyphenol extract solution, with the power sonic oscillation 10min of 200W, is dipped in dopamine after taking out flaxen fiber
In solution, 10h is reacted at 65 DEG C, obtains flaxen fiber a;
4) pyromellitic trimethylsilyl chloride is dissolved in the pyromellitic trimethylsilyl chloride solution for being configured to that concentration is 0.8wt% in n-hexane solvent,
Flaxen fiber a is immersed in pyromellitic trimethylsilyl chloride solution, 2min is reacted, obtains flaxen fiber b;
5) modified titanium dioxide photocatalyst and dispersing agent waterglass are added to the water, modified titanium dioxide photocatalyst additive amount
For the 10wt% of water, dispersing agent additive amount is the 1wt% of water, stirs evenly to form dispersion liquid, then immerses flaxen fiber b and divides
5h is reacted in dispersion liquid at 50 DEG C, makes to be washed with deionized after taking-up, be dried to obtain antibacterial photocatalysis flaxen fiber.
Embodiment 5
The preparation method of modified titanium dioxide photocatalyst the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, rodlike nano SiO 2 particle
Additive amount is the 15wt% of water, and titanium sulfate, the matter of titanium sulfate and rodlike nano SiO 2 particle are then added into suspension
Amount is stirred to react 2h, then by epoxy silane coupling and rodlike nano SiO 2 particle than being 1:0.3 at 80 DEG C
Mass ratio is that epoxy silane coupling is added in 1:15, stirs 10min, stands 30min, be placed at 85 DEG C and evaporate, be dried to obtain
Modified titanium dioxide photocatalyst.
A kind of preparation method of antibacterial photocatalysis flaxen fiber, comprising the following steps:
1) dopamine and ammonium persulfate 1:0.2 in mass ratio are added in the Tris-HCl buffer solution that pH value is 8.2 and are stirred
Dissolution obtains the dopamine solution that solubility is 2wt%, spare;
It 2) is that be configured to concentration be 5wt% olive for dissolution in 60% ethanol water by olive polyphenol class extract addition mass concentration
Olive Polyphenols extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 2h, then carry out high temperature steam treatment 10min, distilled after being disposed immediately by it
It immerses in olive polyphenol extract solution, with the power sonic oscillation 5min of 100W, is dipped in dopamine after taking out flaxen fiber
In solution, 5h is reacted at 50 DEG C, obtains flaxen fiber a;
4) pyromellitic trimethylsilyl chloride is dissolved in the pyromellitic trimethylsilyl chloride solution for being configured to that concentration is 0.4wt% in toluene solvant, it will
Flaxen fiber a immerses in pyromellitic trimethylsilyl chloride solution, reacts 1min, obtains flaxen fiber b;
5) modified titanium dioxide photocatalyst and pentasodium triphosphate of dispersing agent are added to the water, modified titanium dioxide photocatalyst adds
Dosage is the 5wt% of water, and dispersing agent additive amount is the 0.5wt% of water, stirs evenly to form dispersion liquid, then soaks flaxen fiber b
Enter and react 3h in dispersion liquid at 40 DEG C, makes to be washed with deionized after taking-up, is dried to obtain antibacterial photocatalysis flaxen fiber.
Experimental test:
1h is radiated to the rhdamine B and methylene blue dye that dye strength is 6ppm respectively using ultraviolet radiation, then
Detect pollutant degradation efficiency, used in ultraviolet wavelength be 365nm, radiosity 7.6mw/cm2, fiber
The dosage of photochemical catalyst is 1g/L.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of preparation method of antibacterial photocatalysis flaxen fiber, which comprises the following steps:
1) by dopamine and ammonium persulfate 1:0.2-0.5 in mass ratio be added to pH value be 8.2-8.5 Tris-HCl buffering it is molten
Stirring and dissolving in liquid obtains dopamine solution, spare;
2) mass concentration is added in olive polyphenol class extract is that dissolution is configured to olive polyphenol class in 60-85% ethanol water
Extract solution, it is spare;
3) flaxen fiber is placed in water and impregnates 2-5h, then carry out high temperature steam treatment 10-20min, distillation is stood after being disposed
It is dipped in olive polyphenol extract solution, sonic oscillation 5-10min, is dipped in dopamine solution after taking out flaxen fiber
In, 5-10h is reacted at 50-65 DEG C, obtains flaxen fiber a;
4) flaxen fiber a is immersed in the pyromellitic trimethylsilyl chloride solution that mass concentration is 0.4-0.8%, reacts 1-2min, obtain numb fibre
Tie up b;
5) modified titanium dioxide photocatalyst and dispersing agent are added to the water, stir evenly to form dispersion liquid, then by flaxen fiber b
It immerses in dispersion liquid and reacts 3-5h at 40-50 DEG C, make to be washed with deionized after taking-up, be dried to obtain antibacterial photocatalysis fiber crops fibre
Dimension.
2. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 1)
Middle dopamine solution solubility is 2-5wt%.
3. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 2
Middle olive polyphenol class extract solution concentration is 5-15wt%.
4. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 3)
Middle sonic oscillation power is 100-200W.
5. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 4)
Solvent is one of n-hexane, toluene, hexamethylene in middle pyromellitic trimethylsilyl chloride solution.
6. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 5)
Middle modified titanium dioxide photocatalyst additive amount is the 5-10wt% of water, and dispersing agent additive amount is the 0.5-1wt% of water.
7. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 5)
Middle dispersing agent is at least one of sodium tripolyphosphate, calgon, sodium pyrophosphate, waterglass.
8. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 1, which is characterized in that the step 5)
The preparation method of middle modified titanium dioxide photocatalyst the following steps are included:
Rodlike nano SiO 2 particle is added to the water to be uniformly mixed to form suspension, sulfuric acid is added into suspension
The mass ratio of titanium, titanium sulfate and rodlike nano SiO 2 particle is 1:0.3-0.6,2-5h is stirred to react at 80-85 DEG C, so
After be added epoxy silane coupling, stir 10-20min, stand 30-50min, evaporated at 85-95 DEG C, be dried to obtain modification
Titanium dioxide optical catalyst.
9. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 8, which is characterized in that described rodlike two
Silica nano particle additive amount is the 15-20wt% of water.
10. a kind of preparation method of antibacterial photocatalysis flaxen fiber according to claim 8, which is characterized in that the epoxy
The mass ratio of base silane coupling agent and rodlike nano SiO 2 particle is 1:15-20.
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