CN106178686A - Composite Nano photocatalyst electrospinning fibre filter material and preparation method thereof - Google Patents
Composite Nano photocatalyst electrospinning fibre filter material and preparation method thereof Download PDFInfo
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- CN106178686A CN106178686A CN201610614663.1A CN201610614663A CN106178686A CN 106178686 A CN106178686 A CN 106178686A CN 201610614663 A CN201610614663 A CN 201610614663A CN 106178686 A CN106178686 A CN 106178686A
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- filter material
- composite nano
- photocatalyst
- fibre filter
- electrospinning fibre
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- 239000000835 fiber Substances 0.000 title claims abstract description 84
- 239000000463 material Substances 0.000 title claims abstract description 41
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 41
- 238000001523 electrospinning Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 47
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 14
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 239000011229 interlayer Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000000754 repressing effect Effects 0.000 claims abstract description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 18
- -1 dimethylacetamide amine Chemical class 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims 1
- 239000013618 particulate matter Substances 0.000 abstract description 22
- 239000005416 organic matter Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 37
- 238000000034 method Methods 0.000 description 26
- 230000001699 photocatalysis Effects 0.000 description 14
- 238000007146 photocatalysis Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000012855 volatile organic compound Substances 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000002121 nanofiber Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- ZSDJVGXBJDDOCD-UHFFFAOYSA-N benzene dioctyl benzene-1,2-dicarboxylate Chemical compound C(C=1C(C(=O)OCCCCCCCC)=CC=CC1)(=O)OCCCCCCCC.C1=CC=CC=C1 ZSDJVGXBJDDOCD-UHFFFAOYSA-N 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 210000002540 macrophage Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000242 pagocytic effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
-
- 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
-
- B01J35/39—
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- 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
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/43—Acrylonitrile series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
Abstract
Composite Nano photocatalyst electrospinning fibre filter material and preparation method thereof, relates to fibrous filter.Described composite Nano photocatalyst electrospinning fibre filter material is provided with carrier, one layer of photocatalyst fiber of coating on carrier.Preparation method: 1) polyacrylonitrile is mixed with dimethyl acetylamide, heating, prepare macromolecular solution;2) by step 1) macromolecular solution for preparing mix with titania solution, heats, prepared light catalyst composition solution;3) by step 2) prepare light catalyst composition solution insert in the syringe being located at automatic sampling apparatus, through electrostatic spinning apparatus spray titaniferous photocatalyst fiber;4) poly terephthalic acid fiber is placed on catcher, by direct for light catalyst composition solution electrospinning on poly terephthalic acid fiber, then overlap last layer poly terephthalic acid fiber, form the structure of sandwich interlayer, hot repressing, obtains composite Nano photocatalyst electrospinning fibre filter material.Contribute to increasing particulate matter filter effect and promoting the disposal ability to volatile organic matter.
Description
Technical field
The present invention relates to fibrous filter, especially relate to a kind of can process the compound of volatile organic matter and particulate matter simultaneously
Nano photo-catalytic electrospinning fibre filter material and preparation method thereof.
Background technology
The research of popular disease has been pointed out air pollution and breathing, cardiovascular disease and the positive of pulmonary carcinoma chronic diseases
Closing, nanoparticles can be directly entered alveolar and by macrophage phagocytic, can forever rest in alveolar, not be the most right
Respiratory system, and all can have an impact to cardiovascular and to nervous system etc..If granule enters blood by bronchus and alveolar,
Harmful gas therein, heavy metal etc. are dissolved in blood, and the injury to health is bigger.And volatile organic matter (VOCs)
For health hazard effect aspect, be easily caused slight nervus centralis impaired, high concentration steam may cause headache, feel sick, dizzy,
Drowsiness, exercise not harmony and spirit are obscured and stimulate eyes etc..
The treatment technology of VOCs has absorption process, active carbon adsorption, condensation method, hot incineration method, biological treatment and light to urge
Changing oxidizing process etc., there are some problems in these methods, such as low removal efficiency and the shortcoming of high cost, wherein photocatalytic method has joint
Can, nontoxic, prepare the advantages such as easy, the cheap and device space is little and get most of the attention.And the isolation technics of common particulate matter
Such as electrostatic precipitation method, cyclone method, wet washing and Filtration etc., Filtration have cheap, the device space is little
Advantage, is to remove one of method of being most frequently with of particulate in air, and application is extensive, including respiratory protection, purification of waste water
And toilet etc..Due to fabric filter simple in construction, low cost, for most-often used air purification method.General fiber mistake
Filter uses fibrous filter to carry out particulate matter process, and fibrous filter can be divided into traditional fibrous filter and nanofiber.Tradition is fine
Fiber size is excessive with pore size diameter, and bulk density for dimension filter material (such as glass fibre, meltblown fibers and spun-bonded fibre)
It is difficult to control to.And nanofiber has the features such as high surface area, small-bore and high porosity, it is adaptable to nanoparticles filters.
The method of nanofiber manufacture has templated synthesis, separated separation, meltblown and electrostatic spinning etc., uses electrostatic spinning skill
Art can prepare time micron fiber to nano-scale, and simple to operate, easily carry out various material fibers making, this technology is the most successful
Apply in each field, such as the fields such as catalysis, tissue engineering bracket, filtration, desalinization, environmental project and biomedicine, electrospinning
Fiber is applicable to the reactor of any shape, ease of assembly, replacing, and has research to point out the developed nm of electrostatic spinning technique
Fiber has high porosity and high surface attachment, easily carries out time micron by interception and adsorption and processes to nanoparticles.
Summary of the invention
Present invention aim at providing a kind of composite Nano photocatalyst electrospinning fibre filter material and preparation method thereof.
Described composite Nano photocatalyst electrospinning fibre filter material is provided with carrier, one layer of photocatalyst fiber of coating on carrier.
Described carrier can use a micron poly terephthalic acid fiber.
Described photocatalyst fiber refers to by polyacrylonitrile high with the mixing of dimethylacetamide amine solvent with titanium dioxide
Molecular solution, then be prepared from by electrostatic spinning apparatus.
The preparation method of described composite Nano photocatalyst electrospinning fibre filter material, comprises the following steps:
1) polyacrylonitrile is mixed with dimethyl acetylamide, heating, prepare macromolecular solution;
2) by step 1) macromolecular solution for preparing mix with titania solution, heats, and prepared light catalyst composition is molten
Liquid;
3) by step 2) prepare light catalyst composition solution insert in the syringe being located at automatic sampling apparatus, through electrostatic
Device for spinning ejection titaniferous photocatalyst fiber;
4) poly terephthalic acid fiber is placed on catcher, by direct for light catalyst composition solution electrospinning poly-to benzene two
On formic acid fiber, then overlap last layer poly terephthalic acid fiber, form the structure of sandwich interlayer, hot repressing, obtain compound
Nano photo-catalytic electrospinning fibre filter material.
In step 1) in, the temperature of described heating can be 70~80 DEG C, and the time of heating can be 6~7h;The high score prepared
The mass percentage concentration of sub-solution can be 6%.
In step 2) in, the temperature of described heating can be 40~50 DEG C, and the time of heating can be 1~2h.
In step 3) in, the sample introduction speed of described automatic sampling apparatus can be 0.8~1.0mL/h, voltage can be 13~
16kV;The rotation accepter rotating speed of described electrostatic spinning apparatus can be 100~110r/min, and collecting distance can be 10~15cm.
In step 4) in, the temperature of described hot pressing can be 80 DEG C.
The present invention provides a kind of photocatalyst electrospinning fibre filter material that can simultaneously process volatile organic matter and particulate matter, adds
Matrix PET, titanium dioxide can increase surface area and the porosity of photocatalyst composite material, reaches to increase composite fibre filter material
With the contact area of pollutant and promote the purpose to VOCs disposal ability, and reduce particulate in air simultaneously.
Business titanium dioxide and macromolecule polypropylene nitrile are made titanium dioxide polyacrylonitrile fibre by the present invention
(Titanium dioxide polyacrylonitrile fibers, TPF), and it is carried on poly terephthalic acid fiber
On (Polyethylene terephthalate, PET), form composite.Added titanium dioxide can increase fiber surface
Charging property, as the catalyst of light-catalyzed reaction, the existence of matrix PET in addition, make this filter material have and lower penetrate effect
Rate, improves the filter quality of filter material, reaches to process the purpose of volatile organic matter in air and particulate matter simultaneously.
The present invention utilizes electrostatic spinning technique to be combined with macromolecular material by titaniferous photocatalyst and makes photocatalyst fiber, and will
It is placed on poly terephthalic acid fiber carrier, thus improves penetrance and the crushing of conventional filter, and titanium dioxide can simultaneously
The specific surface area of reinforcing fiber film, volatile organic matter is aoxidized by the catalyst also serving as light-catalyzed reaction, and formation can process simultaneously
Volatile organic matter and the photocatalyst electrospinning fibre filter material of particulate matter.The present invention is by carrying out the composite fibre filter material developed
The assessment of specificity analysis, photocatalysis efficiency and filter quality, it is known that adding proportion is the composite photo catalyst fibrous filter of 2%, right
Volatile organic matter degradation efficiency, can be less than 1.9% to the filtration penetrance of particulate matter up to more than 90%.The experiment proved that,
The composite fibre filter material adding titanium dioxide and poly terephthalic acid fiber carrier contributes to increasing particulate matter filter effect and carrying
Rise the disposal ability to volatile organic matter.
Accompanying drawing explanation
Fig. 1 is the 3D schematic diagram of photocatalyst electrospinning fibre filter material of the present invention;
Fig. 2 is Scanning Electron microscope and the element spectral distribution of titanium dioxide polyacrylonitrile photocatalyst fiber of the present invention
Figure;
Fig. 3 is the Scanning Electron microscope figure of photocatalyst electrospinning fibre filter material of the present invention;
Fig. 4 is the X-ray diffraction scanning figure of polyacrylonitrile fibre of the present invention, titanium dioxide and electrospinning fibre Compound filtering material;
Fig. 5 is individual processing acetone of the present invention and the degradation efficiency figure simultaneously processing acetone and particulate matter;
Fig. 6 be individual processing acetone of the present invention and process acetone and particulate matter simultaneously penetrate efficiency chart.
Detailed description of the invention
Following example will the present invention is further illustrated in conjunction with accompanying drawing.
Described composite Nano photocatalyst electrospinning fibre filter material is provided with carrier, one layer of photocatalyst fiber of coating on carrier.
Described carrier can use a micron poly terephthalic acid fiber.
Described photocatalyst fiber refers to by polyacrylonitrile high with the mixing of dimethylacetamide amine solvent with titanium dioxide
Molecular solution, then be prepared from by electrostatic spinning apparatus.
The preparation method of described composite Nano photocatalyst electrospinning fibre filter material, comprises the following steps:
1) polyacrylonitrile is mixed with dimethyl acetylamide, heating, prepare macromolecular solution;The temperature of described heating can be
70~80 DEG C, the time of heating can be 6~7h;The mass percentage concentration of the macromolecular solution prepared can be 6%.Preferably heat
Temperature is 80 DEG C, and the time of heating is 6h.
2) by step 1) macromolecular solution for preparing mix with titania solution, heats, and prepared light catalyst composition is molten
Liquid;The temperature of described heating can be 40~50 DEG C, and the time of heating can be 1~2h.The temperature of the most described heating is 40 DEG C, adds
The time of heat is 2h.
3) by step 2) prepare light catalyst composition solution insert in the syringe being located at automatic sampling apparatus, through electrostatic
Device for spinning ejection titaniferous photocatalyst fiber;The sample introduction speed of described automatic sampling apparatus can be 0.8~1.0mL/h, and voltage can
It is 13~16kV;The rotation accepter rotating speed of described electrostatic spinning apparatus can be 100~110r/min, collect distance can be 10~
15cm.Preferably sample introduction speed 1.0mL/h, voltage 15kV, rotate accepter rotating speed 100r/min, collect distance 15cm.
4) poly terephthalic acid fiber is placed on catcher, by direct for light catalyst composition solution electrospinning poly-to benzene two
On formic acid fiber, then overlap last layer poly terephthalic acid fiber, form the structure of sandwich interlayer, hot repressing, obtain compound
Nano photo-catalytic electrospinning fibre filter material.The temperature of described hot pressing can be 80 DEG C.
The present invention uses acetone emission-control equipment, this device be broadly divided into acetone generator, photo catalysis reactor with
And gas analyzing apparatus etc. three is most, first, first produces mixed gas with acetone steel cylinder with air steel cylinder, and pass through effusion meter
Adjust acetone concentration, acetone concentration is adjusted to experiment desired concn value, control to be passed through photo catalysis reactor with effusion meter equally
Flow, and in a handheld VOCs photoionization detector (Photoionization detector, PID) detection photocatalysis anti-
Acetone concentration before and after should, to inquire into the clearance of VOCs.Wherein, photo catalysis reactor a size of 20cm × 25cm × 15cm.
Fig. 1 shows, electrospinning fibre Compound filtering material 3D schematic diagram of the present invention.Overall electrospinning composite fibre filter material divides three layers, the end
Portion is a strata p-phthalic acid fiber, and centre is titanium dioxide polyacrylonitrile photocatalyst fiber, and topmost one layer is for gathering benzene
Dioctyl phthalate fiber, forms interlayer sandwich structure.
Fig. 2 and 3 display, utilizes sweep electron microscope (SEM) and element spectral distribution instrument (EDS) to observe material surface
Structure and elemental distribution.Can be observed in figure to utilize electrostatic spinning to be successfully made filamentary fibers, its fibre diameter about exists
Between 200~250nm, titanium dioxide is evenly distributed in fiber surface, and fiber can be made to have more contact area effectively to process
VOCs, in order to reaching more preferable treatment effect.PET smooth surface is smooth, and nano level TPF fiber has been attached to micron order
PET on, by PET as support, support TPF fiber, form the structure mutually supported.
Fig. 4 shows, utilize X-ray diffraction (XRD) Analysis and Identification containing titanium dioxide, TPF and polyacrylonitrile crystal formation knot
Structure, carries out crystallite dimension analysis according to its diffraction peak.Via the titanium dioxide anatase that MDI Jade system card number is 21-1727
Crystalline phase comparison can learn have bright in (101), (004), (200), (105), (211), (204), (116), (220) with (215)
The characteristic peak of aobvious titanium dioxide, is all anatase, it is possible to find preparing photo-catalytic nano fiber via electrostatic spinning technique can't
Cause titania structure to destroy, still possess the characteristic of titanium dioxide.
Fig. 5 shows, processes the photocatalysis efficiency of acetone and particulate matter and individual processing acetone more simultaneously, after processing a h,
It is passed through photocatalysis efficiency and the photocatalysis efficiency limited difference with individual processing acetone of particulate matter;But after 8h, locate simultaneously
The photocatalysis efficiency of reason acetone and particulate matter declines more obvious, is because particulate matter forms dirt cake at surface of filter medium, blocks purple
Outer light contacts with catalyst, causes light-catalyzed reaction to be less susceptible to occur, and causes efficiency to decline.Suggestion ought process particulate matter simultaneously
During with acetone, it should be noted that light source and the setting of particulate matter grain direction, light source is placed in the back side of filter material, reduces light source and be blocked
Possibility.
Fig. 6 shows, processes the impact on processing two kinds of pollutant effects of particulate matter and acetone simultaneously, uses basic weight 1g m-2
2%TPF (1500mL min under time of staying 5min-1), face velocity is 0.5cm s-1(flow: 1500mL min-1;Filter material
Area: 50cm2), in light-catalyzed reaction system, it is passed through particulate matter produced by the acetone of 400ppm and particulate matter generation system,
PID is utilized to measure the concentration importing and exporting particulate matter with acetone.Process acetone and the strainability test result of particulate matter simultaneously, aobvious
Show when processing simultaneously, filtration of particulate matters is not significantly affected.
Claims (9)
1. composite Nano photocatalyst electrospinning fibre filter material, it is characterised in that be provided with carrier, one layer of photocatalyst fibre of coating on carrier
Dimension.
2. as claimed in claim 1 composite Nano photocatalyst electrospinning fibre filter material, it is characterised in that it is right that described carrier is that micron gathers
Cellulose phthalate.
3. composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 1, it is characterised in that described photocatalyst fiber is by gathering
Acrylonitrile and titanium dioxide are with the mixing macromolecular solution of dimethylacetamide amine solvent, then are prepared by electrostatic spinning apparatus
Form.
4. the preparation method of composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 1, it is characterised in that include following
Step:
1) polyacrylonitrile is mixed with dimethyl acetylamide, heating, prepare macromolecular solution;
2) by step 1) macromolecular solution for preparing mix with titania solution, heats, prepared light catalyst composition solution;
3) by step 2) prepare light catalyst composition solution insert in the syringe being located at automatic sampling apparatus, through electrostatic spinning
Device ejection titaniferous photocatalyst fiber;
4) poly terephthalic acid fiber is placed on catcher, by direct for light catalyst composition solution electrospinning at poly terephthalic acid
On fiber, then overlap last layer poly terephthalic acid fiber, form the structure of sandwich interlayer, hot repressing, obtain composite Nano
Photocatalyst electrospinning fibre filter material.
5. the preparation method of composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 4, it is characterised in that in step 1)
In, the temperature of described heating is 70~80 DEG C, and the time of heating is 6~7h.
6. the preparation method of composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 4, it is characterised in that in step 2)
In, the temperature of described heating is 40~50 DEG C, and the time of heating is 1~2h.
7. the preparation method of composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 4, it is characterised in that in step 3)
In, the sample introduction speed of described automatic sampling apparatus is 0.8~1.0mL/h, and voltage is 13~16kV.
8. the preparation method of composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 4, it is characterised in that in step 3)
In, the rotation accepter rotating speed of described electrostatic spinning apparatus is 100~110r/min, and collecting distance is 10~15cm.
9. the preparation method of composite Nano photocatalyst electrospinning fibre filter material as claimed in claim 4, it is characterised in that in step 4)
In, the temperature of described hot pressing is 80 DEG C.
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