CN109126881A - A kind of micro-nano complex fiber material of loaded optic catalyst and preparation method thereof - Google Patents
A kind of micro-nano complex fiber material of loaded optic catalyst and preparation method thereof Download PDFInfo
- Publication number
- CN109126881A CN109126881A CN201810998005.6A CN201810998005A CN109126881A CN 109126881 A CN109126881 A CN 109126881A CN 201810998005 A CN201810998005 A CN 201810998005A CN 109126881 A CN109126881 A CN 109126881A
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- Prior art keywords
- micro
- fiber material
- complex fiber
- nano complex
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- 239000003054 catalyst Substances 0.000 title claims abstract description 49
- 239000002657 fibrous material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 72
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 54
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 24
- 229920000767 polyaniline Polymers 0.000 claims abstract description 20
- 239000002121 nanofiber Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000002166 wet spinning Methods 0.000 claims abstract description 11
- 230000001699 photocatalysis Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 8
- 238000007146 photocatalysis Methods 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 238000011065 in-situ storage Methods 0.000 claims abstract description 6
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 6
- 239000011941 photocatalyst Substances 0.000 claims abstract description 5
- 230000008569 process Effects 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 27
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000002114 nanocomposite Substances 0.000 claims description 17
- 238000009987 spinning Methods 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 229910000161 silver phosphate Inorganic materials 0.000 claims description 8
- 239000004642 Polyimide Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 229920001721 polyimide Polymers 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 230000001112 coagulating effect Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims description 3
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims description 2
- 239000011162 core material Substances 0.000 claims description 2
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims description 2
- 229920001197 polyacetylene Polymers 0.000 claims description 2
- 229920000128 polypyrrole Polymers 0.000 claims description 2
- 229920000123 polythiophene Polymers 0.000 claims description 2
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 claims description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000000356 contaminant Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 27
- CBACFHTXHGHTMH-UHFFFAOYSA-N 2-piperidin-1-ylethyl 2-phenyl-2-piperidin-1-ylacetate;dihydrochloride Chemical compound Cl.Cl.C1CCCCN1C(C=1C=CC=CC=1)C(=O)OCCN1CCCCC1 CBACFHTXHGHTMH-UHFFFAOYSA-N 0.000 description 12
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 8
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 7
- 229940043267 rhodamine b Drugs 0.000 description 7
- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 235000009566 rice Nutrition 0.000 description 6
- -1 Alkene nitrile Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910001961 silver nitrate Inorganic materials 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004847 absorption spectroscopy Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000013305 flexible fiber Substances 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
-
- 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
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
-
- 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
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- 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
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- 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
- D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
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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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/22—Halides of elements of Groups 5 or 15 of the Periodic Table
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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
- D06M15/19—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
- D06M15/61—Polyamines polyimines
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Filaments (AREA)
- Catalysts (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses micro-nano complex fiber materials of a kind of loaded optic catalyst and preparation method thereof.Polyacrylonitrile micrometer fibers are made using wet spinning technology, one layer of conducting high polymers object polyaniline is grown by in-situ polymerization on polyacrylonitrile micrometer fibers surface again, one layer of polyacrylonitrile nanofiber containing photochemical catalyst presoma is covered on its surface by electrostatic spinning process, forms the micro-nano complex fiber material with visible light-responded photo-catalysis capability.The micro-nano complex fiber material of loaded optic catalyst provided by the invention has many advantages, such as large specific surface area, to pollutant strong adsorption, under visible light can be with degradation of contaminant.Meanwhile photochemical catalyst composite fibre provided by the invention solves the problems such as powder photocatalyst is difficult to recycling and flexible carrier of photocatalyst intensity difference, can not weave, and has widened the application field of material.
Description
Technical field
The present invention relates to a kind of functional composite material, in particular to the micro-nano composite fibre material of a kind of loaded optic catalyst
Material and preparation method thereof, belongs to composite material photocatalysis technology field.
Background technique
With the continuous growth of economy development with rapid changepl. never-ending changes and improvements and population, global environmental pollution and energy supply demand increase
The problem of adding, also becomes increasingly conspicuous.According to statistics, about 300~40,000,000,000 tons of pollutant discharges to global waters every year in factory, including
Sewage, toxic solvent and other wastes containing heavy metals exceeding standard, cause serious environmental pollution, sustainable development oneself become existing
The road that generation society must select.On the one hand, solar energy is as a kind of renewable energy, with resourceful, cleaning, cheap
Feature not only can be used freely, but also without transport, be the base for realizing human social to environment without any pollution
Plinth.On the other hand, it is many to be related to Semiconductor Physics, catalytic chemistry, nanotechnology etc. for a kind of novel, green photocatalysis technology
There is application prospect in field in terms of the significant problem of the facing mankinds such as the energy, environment, health.This emerging technology can be straight
It connects and utilizes sunlight as light source to be sensitized catalyst and drive redox reaction, to reach sewage treatment, air cleaning
With the purpose for degerming of keeping a public place clean.
There is difficult recycling and easily cause secondary pollution problems in powdered photochemical catalyst, to overcome the above disadvantages, will
It is a kind of emerging method on the carrier of recoverable that semiconductor light-catalyst, which loads to,.Common carrier of photocatalyst is aerobic
Change aluminium, silica gel, float stone and diatomite, but these carriers are all rigid materials, cannot meet the needs of change in shape applies ring
Border.So there is fiber carrier flexible to cause concern, for example, glass fibers disclosed in Chinese invention patent CN1943849A
Cellulose fibre disclosed in dimension, CN105536878A, slag wool fiber disclosed in CN105251540A.Above-mentioned carrier exists than table
The deficiencies of area is small, poor to pollutant adsorption capacity.
Summary of the invention
The present invention provides a kind of specific surface area of carrier for deficiency existing for existing photochemical catalyst flexible fiber carrier
Greatly, the micro-nano complex fiber material of loaded optic catalyst and preparation method thereof strong to pollutant absorption property.
In order to achieve the above object of the invention, the technical solution adopted by the present invention is that providing a kind of micro-nano of loaded optic catalyst
The preparation method of complex fiber material, includes the following steps:
(1) preparing mass fraction is 10~20% spinning solutions, after deaeration processing, carries out spinning using wet spinning technology, then pass through
The micrometer fibers that diameter is 50~100 μm are prepared in hot-stretch processing；
(2) in micrometer fibers in situ Polymerization conducting high polymers object, conductive fiber is obtained；
(3) photochemical catalyst or photochemical catalyst presoma are added in electrostatic spinning solution, electrostatic spinning liquid is prepared, with step (2)
Conductive fiber obtained is receiver, is 0.5~1.2 mL/h in flow velocity, voltage is 8~15 kv, and receiving distance is 10~25
Under conditions of cm, using electrostatic spinning process, the load photocatalysis that a layer thickness is 5~10 μm is covered in conductive fiber surfaces
The nanofiber of agent obtains a kind of micro-nano complex fiber material of loaded optic catalyst.
A preferred embodiment of the invention is: wet spinning stoste include polyacrylonitrile/N,N-dimethylformamide solution,
Polyimides/dimethyl sulphoxide solution, polyvinyl alcohol/water solution；The coagulating bath that wet spinning technology uses is N, N- dimethyl
One of the mixed liquor of formamide and water, the mixed liquor of first alcohol and water, methanol.
Conducting high polymers object of the present invention includes polyaniline, polypyrrole, polythiophene, polyacetylene；In step (2)
The preparation process of conductive fiber are as follows: in molar ratio (2~6): 4 mix ammonium persulfate with aniline, add mass concentration be 2~
5% polyvinylpyrrolidone, concentration are the hydrochloric acid of 0.5~2 mol/L, prepare reaction solution, micrometer fibers are placed in reaction solution
In, under conditions of temperature is 0~10 DEG C, react 1~3 h.
Electrostatic spinning solution of the present invention includes polyacrylonitrile/N,N-dimethylformamide solution, polyvinyl alcohol/water
One of solution, polyvinylpyrrolidone/N,N-dimethylformamide solution.
Photochemical catalyst of the present invention includes BiOI, Cu2O、BiOBr、Bi2WO6、TiO2、g-C3N4、Ag3PO4、AgCl、
AgBr、AgI。
Advanced optimizing for technical solution of the present invention is: the micro-nano that step (3) is obtained a kind of loaded optic catalyst is compound
Fibrous material is surface-treated again, obtain be containing nanoscale heterogeneous semiconductor material or conductive material shell composite fibre
Material.
The micro-nano complex fiber material for the loaded optic catalyst that the present invention is prepared, in mass ratio, photochemical catalyst is micro-
Proportion in composite fibre of receiving is 1.0~5.0%.
Technical solution of the present invention further includes a kind of micro-nano complex fiber material of loaded optic catalyst, it with diameter 50~
100 μm of micrometer fibers are core material, and in micrometer fibers surface aggregate conducting high polymers object, it is 5 that surface, which covers a layer thickness,
The nanofiber of~10 μm of loaded optic catalyst.
Compared with prior art, advantages of the present invention is as follows:
1. a kind of micro-nano complex fiber material of loaded optic catalyst provided by the invention, the micron using wet spinning preparation is fine
Dimension provides intensity, carrier of the nanofiber of electrostatic spinning preparation as cortex as photochemical catalyst as sandwich layer；By micro-
Rice fiber surface polymeric conductive macromolecule, and as the receiver of electrostatic spinning, perfectly micron-nanometer fiber is combined
Get up, is easily recycled after light-catalyzed reaction, avoids secondary pollution.Can be with continuous production, and this micro-nano is compound
Fibrous material is the new material with photocatalysis performance.
2. a kind of micro-nano complex fiber material of loaded optic catalyst provided by the invention, only photochemical catalyst is not provided
Carrier, while also having opened up a kind of composite photo-catalyst, i.e., the surface for loading a kind of nanofiber of photochemical catalyst in conjunction with
A kind of photochemical catalyst or the substance conducive to raising photocatalytic activity.
It 3. micro-nano composite fibre provided by the invention is flexible, can simply be woven, fiber cloth is made, expand application
Range.
Detailed description of the invention
Fig. 1 is polyacrylonitrile micrometer fibers provided in an embodiment of the present invention, polyacrylonitrile/Conductive Polyaniline Fibers and poly- third
Alkene nitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre X-ray diffraction curve comparison figure；
Fig. 2 is that polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre provided in an embodiment of the present invention is swept
Retouch electron microscope picture, in figure, (a) figure is the scanning electron microscope diagram of micro-nano composite fibre cross section, and (b) figure is that micro-nano is multiple
The scanning electron microscope diagram of condensating fiber local surfaces；
Fig. 3 is to be loaded with polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre provided in an embodiment of the present invention
Ultra-violet absorption spectrum comparison diagram of the rhodamine B aqueous solution of material under visible light photograph after different time.
Specific embodiment
Technical solution of the present invention is further elaborated with reference to the accompanying drawings and examples.
Embodiment 1
The present embodiment provides a kind of preparation methods of the micro-nano complex fiber material of loaded optic catalyst, as follows:
The preparation of polyacrylonitrile micrometer fibers: 10 g polyacrylonitrile, 40 mL dimethyl sulfoxides and 0.8 mL water are poured into three-necked flask
In, it is stirred at room temperature, is swollen it sufficiently.Then it in 40 DEG C of heating stirring 3h, dissolves polyacrylonitrile sufficiently, is put into 60
Vacuumizing and defoaming processing is carried out in DEG C vacuum oven.Above-mentioned spinning solution is taken, it is micro- to prepare polyacrylonitrile by wet spinning device
Rice fiber, spinning technique: spinning temperature: 40 DEG C；Pressure: 0.2 MPa；Spinneret orifice internal diameter: 0.5 mm；Coagulating bath: N, N- diformazan
Mixed liquor (the Vol of base formamide and waterDMF: VolH2O= 3:1).Finally carry out 150 DEG C of hot-stretch processing.
In polyacrylonitrile micrometer fibers in situ Polymerization conductive polymer polyanilinc: the polyacrylonitrile of certain length is micro-
Rice fiber is put into the mixed liquor of aniline (1.86 g), polyvinylpyrrolidone (2.08 g) and 40 mL hydrochloric acid, is added after 30 min
Enter the mixed liquor of ammonium persulfate (2.28 g) and 20 mL hydrochloric acid, 0 DEG C of reaction 3h.
Prepare electrostatic spinning liquid: 0.5 g polyacrylonitrile is dissolved in 6 mL N,N-dimethylformamide solution.By surface
The polyacrylonitrile micrometer fibers of a strata aniline are covered as the receiver in electrostatic spinning reception device, in flow velocity 0.06
ML/h, 15 kv of voltage, 15 cm of distance spinning condition under carry out electrostatic spinning, obtain polyacrylonitrile/poly- on the reception device
Aniline/polyacrylonitrile micro-nano composite fibre.
Polyacrylonitrile/the polyaniline prepared in electrostatic spinning reception device/polyacrylonitrile micro-nano composite fibre is removed, is soaked
Bubble 30 min in the bismuth nitrate solution of 0.5 mM, then 0.5 mM liquor kalii iodide is added dropwise in above-mentioned solution.Then it will mix
Close liquid to be transferred in Teflon reaction kettle and carries out hydro-thermal reaction, reaction condition: 100 DEG C, 10h, obtain polyacrylonitrile/polyaniline/
Polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre.
Polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre prepared by electrostatic spinning is immersed in
30 min in the bismuth nitrate solution of 0.5 mM, then 0.25 mM ammonium tungstate aqueous solution is added dropwise in above-mentioned solution.It then will mixing
Liquid, which is transferred in Teflon reaction kettle, carries out hydro-thermal reaction, reaction condition: 150 DEG C, 18h, obtaining a kind of loaded optic catalyst
Micro-nano complex fiber material.
Referring to attached drawing 1, for polyacrylonitrile micrometer fibers, the polyacrylonitrile/polyaniline micrometer fibers prepared in the present embodiment
And polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre X-ray diffraction curve comparison figure；It can by Fig. 1
See: the broad peak occurred at 2 θ=16 ° is the characteristic peak of polyacrylonitrile；Since polyaniline is unformed shape, its feature is not detected
Peak；Include in polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide sample tests polyacrylonitrile characteristic peak and
Identical characteristic peak, shows that polyacrylonitrile fibre is loaded with iodine oxidation with the standard PDF card (PDF#73-2062) of bismuth oxyiodide
Bismuth crystal.
Fig. 2 is that polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre provided in this embodiment is swept
Retouch electron microscope picture, in figure, (a) figure is the scanning electron microscope diagram of micro-nano composite fibre cross section, and (b) figure is that micro-nano is multiple
The scanning electron microscope diagram of condensating fiber local surfaces；Layers of nanofibers is covered with by the visible micrometer fibers surface of (a) figure, at
Function prepares polyacrylonitrile micro-nano composite fibre；It can be seen that the loading condition on polyacrylonitrile nanofiber surface from (b) figure:
Sheet bismuth oxyiodide crystal is evenly distributed along nanofiber growth, large specific surface area, soilless sticking.
Fig. 3 is pure rhodamine B aqueous solution and is loaded with polyacrylonitrile/polyaniline/polypropylene provided in an embodiment of the present invention
Uv-visible absorption spectroscopy pair of nitrile/bismuth oxyiodide micro-nano complex fiber material rhodamine B aqueous solution after visible light photograph
Than figure.As it can be seen that the concentration decline of (illumination 0 hour) rhodamine B is obvious after adsorption equilibrium experiment, show polyacrylonitrile/polyaniline/
Polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre has excellent adsorption capacity, this has benefited from its big specific surface area；With it is pure
Rhodamine B aqueous solution is compared, and polyacrylonitrile/polyaniline/polyacrylonitrile/bismuth oxyiodide micro-nano composite fibre rhodamine B is loaded with
Aqueous solution absorption peak peak intensity after the radiation of visible light of different time gradually weakens, and blue shift (dye molecule knot occurs for peak position
Structure is destroyed), illustrate that dye, rhodamine B is being constantly occurring light degradation.
Embodiment 2
The preparation of polyimides micrometer fibers: the p-phenylenediamine of 3.204 4,4 '-diaminodiphenyl ethers of g and 0.433 g is fallen
Enter three-necked flask, be placed in ice-water bath (0 DEG C), leads to 2 h of nitrogen.Again in three times etc. by the pyromellitic acid anhydride of 4.450 g
It is divided between amount in half an hour addition three-necked flask.After reacting 2 hours, be slowly added dropwise dropwise 1.021 g acetic anhydride and
The pyridine of 0.791 g.After reacting 2 h, mixed solution is subjected to vacuumizing and defoaming processing in 60 DEG C of vacuum ovens, by it
As spinning solution.Above-mentioned spinning solution is taken, polyimide fiber is prepared by homemade wet spinning device, spinning technique: spinning
Temperature: 50 DEG C；Pressure: 0.2 MPa；Spinneret orifice internal diameter: 0.5 mm；Coagulating bath: the mixed liquor (Vol of first alcohol and watermethanol:
VolH2O=7:3).Finally carry out 300 DEG C of hot-stretch processing.
In polyimides micrometer fibers in situ Polymerization conductive polymer polyanilinc: the polyimides of certain length is micro-
Rice fiber is put into the mixed liquor of aniline (1.86 g), polyvinylpyrrolidone (2.08 g) and 40 mL hydrochloric acid, is added after 30 min
Enter the mixed liquor of ammonium persulfate (2.28 g) and 20 mL hydrochloric acid, 0 DEG C of reaction 3h.
Prepare electrostatic spinning liquid: 0.5g polyacrylonitrile, 0.5 g silver nitrate are dissolved in 6 mL N,N-dimethylformamides
In solution.Surface is covered into the polyimides micrometer fibers of a strata aniline as the reception in electrostatic spinning reception device
Device, 0.06 mL/h of flow velocity, 15 kv of voltage, 15 cm of distance spinning condition under carry out electrostatic spinning.
Micro-nano complex fiber after electrostatic spinning is dried into 1h, the mistake of solvent volatilization in 40 DEG C of convection ovens (being protected from light)
Journey can be by Ag+It takes the surface of polyacrylonitrile nanofiber to, is then immersed in disodium hydrogen phosphate (2.8 g), polyethylene pyrrole
30 min in pyrrolidone (1.1 g) and the mixed solution of 100 mL deionized waters, by ion-exchange reactions, in polyacrylonitrile
The Surface Creation Ag of nanofiber3PO4Particle.
Ag3PO4It is a kind of photochemical catalyst haveing excellent performance, but there is photoetch, so has loaded Ag3PO4Micro-nano
Rice composite fiber surface coats a strata aniline again, on the one hand can be by Ag3PO4It protects and avoids photoetch phenomenon, another party
The migration of light induced electron can be improved in the polyaniline that bread covers, and then promotes photocatalysis performance.
The micro-nano complex fiber material of obtained loaded optic catalyst is surface-treated by the present embodiment again, and formation can promote
Into light induced electron-hole to (e--h+) migration and isolated nanoscale shell, as shell be contain nanoscale heterogeneous semiconductor
Material or conductive material, to improve the photocatalytic activity of fibrous material.Specific method is:
Embodiment 3
The preparation of polyvinyl alcohol micron fiber: 10 g PVA, 39 mL dimethyl sulfoxides and 13 mL water are poured into three-necked flask,
It is stirred continuously 4 h under the conditions of 90 DEG C until being completely dissolved, obtains the PVA solution of homogeneous transparent, is then allowed to stand 2 h deaerations.It takes
Spinning solution is stated, vinal is prepared by homemade wet spinning device, spinning technique: spinning temperature: 50 DEG C；Pressure:
0.2 MPa；Spinneret orifice internal diameter: 0.5 mm；Coagulating bath: methanol.Finally carry out 200 DEG C of hot-stretch processing.
In polyvinyl alcohol micron fiber surface hard carbon via in-situ polymerization polyaniline: by the polyvinylalcohol microsphere of certain length
Rice fiber is put into the mixed liquor of aniline (1.86 g), polyvinylpyrrolidone (2.08 g) and 40 mL hydrochloric acid, is added after 30 minutes
Enter the mixed liquor of ammonium persulfate (2.28 g) and 20 mL hydrochloric acid, 0 DEG C of 3 h of reaction.
Prepare electrostatic spinning liquid: 0.5g polyacrylonitrile, 0.5 g silver nitrate are dissolved in 6 mL N,N-dimethylformamides
In solution.Surface is covered into the polyvinyl alcohol micron fiber of a strata aniline as the reception device of electrostatic spinning, in flow velocity
0.06 mL/h, 15 kv of voltage, 15 cm of distance spinning condition under carry out electrostatic spinning.
Micro-nano complex fiber after electrostatic spinning is dried into 1h, the mistake of solvent volatilization in 40 DEG C of convection ovens (being protected from light)
Journey can be by Ag+It takes the surface of polyacrylonitrile nanofiber to, is then immersed in disodium hydrogen phosphate (2.8 g), polyethylene pyrrole
30 min in pyrrolidone (1.1 g) and the mixed solution of 100 mL deionized waters, by ion-exchange reactions, in polyacrylonitrile
The Surface Creation Ag of nanofiber3PO4Particle.
Ag3PO4It is a kind of excellent photochemical catalyst, but there is photoetch, so has loaded Ag3PO4It is micro-nano multiple
Condensating fiber surface is coated with layer of titanium dioxide colloidal sol and forms protective layer, inhibits Ag3PO4Photoetch while improve fibre
Tie up the photocatalysis performance of material.
Claims (10)
1. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst, it is characterised in that include the following steps:
(1) preparing mass fraction is 10~20% spinning solutions, after deaeration processing, carries out spinning using wet spinning technology, then pass through
The micrometer fibers that diameter is 50~100 μm are prepared in hot-stretch processing；
(2) in micrometer fibers in situ Polymerization conducting high polymers object, conductive fiber is obtained；
(3) photochemical catalyst or photochemical catalyst presoma are added in electrostatic spinning solution, electrostatic spinning liquid is prepared, with step (2)
Conductive fiber obtained is receiver, is 0.5~1.2 mL/h in flow velocity, voltage is 8~15 kv, and receiving distance is 10~25
Under conditions of cm, using electrostatic spinning process, the load photocatalysis that a layer thickness is 5~10 μm is covered in conductive fiber surfaces
The nanofiber of agent obtains a kind of micro-nano complex fiber material of loaded optic catalyst.
2. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
Be: the wet spinning stoste includes polyacrylonitrile/N,N-dimethylformamide solution, polyimides/dimethyl sulfoxide
Solution, polyvinyl alcohol/water solution.
3. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
Be: the coagulating bath that wet spinning technology uses for the mixed liquor of N,N-dimethylformamide and water, first alcohol and water mixed liquor,
One of methanol.
4. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
Be: the conducting high polymers object includes polyaniline, polypyrrole, polythiophene, polyacetylene.
5. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
Be: the preparation process of step (2) conductive fiber are as follows: in molar ratio (2~6): 4 mix ammonium persulfate with aniline, add
The polyvinylpyrrolidone that mass concentration is 2~5%, concentration are the hydrochloric acid of 0.5~2 mol/L, prepare reaction solution, by micron fibre
Dimension is placed in reaction solution, under conditions of temperature is 0~10 DEG C, reacts 1~3 h.
6. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
Be: the electrostatic spinning solution includes polyacrylonitrile/N,N-dimethylformamide solution, polyvinyl alcohol/water solution, poly- second
One of alkene pyrrolidone/N,N-dimethylformamide solution.
7. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
Be: the photochemical catalyst includes BiOI, Cu2O、BiOBr、Bi2WO6、TiO2、g-C3N4、Ag3PO4、AgCl、AgBr、AgI。
8. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1, feature
It is: the micro-nano complex fiber material that step (3) obtains a kind of loaded optic catalyst is surface-treated again, obtains containing receiving
Meter level heterogeneous semiconductor material or conductive material are the complex fiber material of shell.
9. a kind of preparation method of the micro-nano complex fiber material of loaded optic catalyst according to claim 1 or 8, special
Sign is: in mass ratio, photochemical catalyst proportion in micro-nano composite fibre is 1.0~5.0%.
10. a kind of micro-nano complex fiber material of loaded optic catalyst, it is characterised in that: it is with 50~100 μm of diameter of micron
Fiber is core material, and in micrometer fibers surface aggregate conducting high polymers object, it is 5~10 μm negative that surface, which covers a layer thickness,
The nanofiber of carried photocatalyst.
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| CN115999603A (en) * | 2022-11-30 | 2023-04-25 | 莆田学院 | Method for constructing graphite phase carbon nitride/bismuth tungstate nano heterojunction |
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