CN106835502A - A kind of nanofiber mats and preparation method thereof - Google Patents

A kind of nanofiber mats and preparation method thereof Download PDF

Info

Publication number
CN106835502A
CN106835502A CN201710038160.9A CN201710038160A CN106835502A CN 106835502 A CN106835502 A CN 106835502A CN 201710038160 A CN201710038160 A CN 201710038160A CN 106835502 A CN106835502 A CN 106835502A
Authority
CN
China
Prior art keywords
tio
sio
presoma
spinning
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710038160.9A
Other languages
Chinese (zh)
Other versions
CN106835502B (en
Inventor
袁钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xiliken Technology Co ltd
Original Assignee
Hunan Heng Tai Rong Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Heng Tai Rong Technology Co Ltd filed Critical Hunan Heng Tai Rong Technology Co Ltd
Priority to CN201710038160.9A priority Critical patent/CN106835502B/en
Publication of CN106835502A publication Critical patent/CN106835502A/en
Application granted granted Critical
Publication of CN106835502B publication Critical patent/CN106835502B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0015—Electro-spinning characterised by the initial state of the material
    • 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
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Fibers (AREA)
  • Catalysts (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

The present invention relates to a kind of nanofiber mats and preparation method thereof, preparation method includes：Prepare and include TiO2Presoma, SiO2The colloidal sol of presoma and spinning-aid agent is used as spinning solution；Then presoma nanofiber mats are prepared using electrostatic spinning technique；Drying, in atmosphere intensification calcining, are obtained TiO2/SiO2Composite nanometer fiber felt.It is TiO2/SiO2Composite nanometer fiber felt, TiO2And SiO2Mol ratio be 6:1~1:3, TiO2Predominantly Detitanium-ore-type, SiO2It is unformed shape.The present invention adds Ludox in spinning solution containing Ti, to reduce the consumption of polymer spinning-aid agent.By the way that the addition of polymer spinning-aid agent is greatly decreased, the yield of nanofiber is effectively improved.TiO of the invention2/SiO2Composite nano fiber can effectively degrade dirty organic pollutants under ultraviolet light.

Description

A kind of nanofiber mats and preparation method thereof
Technical field
The invention belongs to nano material and photocatalysis technology field, it is related to a kind of nanofiber mats and preparation method thereof.
Background technology
Water pollution turned into the major issue urgently to be resolved hurrily of facing mankind, since the Fujishima hairs of Japan in 1972 Article of the table on photochemical catalytic oxidation research, the photochemical catalytic oxidation material for being capable of degradation of contaminant turns into study hotspot.Wherein, Titanium dioxide has the advantages that catalysis activity is high, price is low, stable chemical performance, nontoxic, non-secondary pollution.Especially nanoscale Titanium dioxide, its high specific surface area and small-size effect drastically increase catalytic efficiency, become and most should at present With the catalysis material of potentiality.But to there are three aspects in the nano particle of titanium dioxide difficult in actual applications：First, at sewage During reason, because its particle is extremely tiny, easily reunite, cause TiO2Strongly reduced with the effective contact area of sewage, dropped Solution efficiency reduction.2nd, after the completion of sewage disposal, separate, reclaim difficult, catalyst is difficult to reuse, and easily causes secondary Pollution.3rd, cannot be difficult using the pollutant of simple method for calcinating removal absorption, regeneration.Above deficiency limits its reality The extension of application.
At present, to avoid the problem above, common method from having following two：First, using sol-gel-biofilm-drying-forge The method of burning, is loaded on the activated carbon, glass, metal, ceramic material in shapes such as ball, piece, pipe, fibers.But due to attached Put forth effort not strong, need to could realize certain load capacity through repeatedly coating-calcining, and gained TiO2Grain size is in multiple high temp It is difficult to control to after calcining, causes photocatalytic activity to lose.2nd, directly by TiO2Nano particle is scattered in polymer, is made and is received Nano composite material.But dispersion effect is not good, and catalyst reduces with effective contact area of pollutant, so as to cause catalysis activity Reduce.Meanwhile, with polymer as carrier, it is impossible to regenerate it by calcining.
Compared with nano particle, nanofiber has bigger specific surface area, and easily implements in engineer applied.Together When, it is difficult to reunite in sewage, it is easy to separate and reclaim.In numerous preparation methods, electrostatic spinning technique is that one kind can be advised greatly Mould continuously prepares the effective ways of sub-micron-nanofiber.First, the dissolved colloidal state electrostatic spinning liquid containing Ti sources is prepared, then Nanometer precursor fibre is prepared by electrostatic spinning technique, then nano-TiO is obtained through calcining2Fiber.It is prepared by existing electrostatic spinning TiO2In nanofiber process, the polymer spinning-aid agent in precursor fibre typically constitutes more than the 20wt% of gross mass, when forging Larger mass loss is formed during burning, causes TiO2Nanofiber low yield.Meanwhile, the micro-molecular gas for being pyrolyzed generation are more, Cause the gained very easy brittle failure of fibrofelt.
So far, not yet have with preferable intensity and flexible TiO2The related report of nanofiber mats preparation method Road.
The content of the invention
For existing TiO2The problem above that catalyst is present, the present invention provides a kind of nanofiber mats and its preparation side Method, to reduce the addition of polymer spinning-aid agent, improves the yield of nanofiber.
The technical solution adopted by the present invention is as follows：A kind of preparation method of nanofiber mats, including：
Prepare and include TiO2Presoma, SiO2The colloidal sol of presoma and spinning-aid agent is used as spinning solution；
Then presoma nanofiber mats are prepared using electrostatic spinning technique；
Drying, in atmosphere intensification calcining, are obtained TiO2/SiO2Composite nanometer fiber felt.
In a specific embodiment, the spinning solution collocation method is：Spinning-aid agent is dissolved in organic solvent, so After sequentially add SiO2Presoma, deionized water, hydrolysis inhibitor, TiO2Presoma, continuing to stir to be obtained has certain viscosity Spinning solution.
In a specific embodiment, the TiO2Presoma includes isopropyl titanate, titanium tetrachloride, butyl titanate With one or more combination in titanium sulfate；The SiO2Presoma includes ethyl orthosilicate.
In a specific embodiment, the spinning-aid agent is polyacrylonitrile (PAN), polyvinyl alcohol (PVA), polyethylene pyrrole One or more combination in pyrrolidone (PVP), polyethylene glycol oxide (PEO) and polypropylene (PP)；The organic solvent be methyl alcohol, One or more combination in ethanol, dimethylformamide, dimethyl sulfoxide (DMSO), acetone, isopropanol；The hydrolysis inhibitor is The HCl solution of 0.1~1mol/L, the HNO of 0.1~1mol/L3Solution, glacial acetic acid, one or more combination of oxalic acid.
In a specific embodiment, in the spinning solution, Ti elements are 6 with the mol ratio of Si elements:1~1:3； Spinning-aid agent:(SiO2Presoma+TiO2Presoma) mass ratio be 1:100~10:100.
In a specific embodiment, organic solvent:(SiO2Presoma+TiO2Presoma)=1:6~1:3 (quality Than)；Hydrolysis inhibitor:TiO2Presoma=1:1~4:1 (mol ratio)；Deionized water：SiO2Presoma=4:1~1:1 (mole Than).
In a specific embodiment, electrospinning conditions are：Syringe needle internal diameter be 0.5~1.5mm, voltage be 12~ 25kV, spinning head is 10~30cm with the distance of flat board/roller wire drawing device, and feeding rate is 10~30 μ l/min, spinning environment Temperature is 15~35 DEG C, and relative humidity is 40%~70%.
In a specific embodiment, calcination condition is：In air, it is warming up to the heating rate of 1~10 DEG C/min 400~800 DEG C, and it is incubated 1~4h.
A kind of nanofiber mats that the present invention is provided, are TiO2/SiO2Composite nanometer fiber felt, TiO2And SiO2Mole Than being 6:1~1:3, TiO2Predominantly Detitanium-ore-type, SiO2It is unformed shape.A diameter of 300~500nm of fiber.
Compared with the prior art, the present invention has following outstanding advantages：Presoma conversion method is prepared ceramic skill by the present invention Art and electrostatic spinning technique are combined, and prepare TiO2/SiO2Composite nanometer fiber felt.Add silicon molten in spinning solution containing Ti Glue, to reduce the consumption of polymer spinning-aid agent.By the way that the addition of polymer spinning-aid agent is greatly decreased, nanometer is effectively improved The yield of fiber.
TiO of the invention2/SiO2Composite nano fiber can effectively degrade organic contamination in sewage under ultraviolet light Thing.And composite fibre can be separated with the water after treatment by filtering or being centrifuged, realize the recovery of catalyst, the rate of recovery exists More than 95%.By the fiber after recovery in atmosphere, regeneration is capable of achieving after more than 200 DEG C calcining 1h, and still keeps the identical to have Organic pollutants degradation efficiency.
Present invention process is simple, and production efficiency is high, gained nanoscale TiO2/SiO2Composite fibre has intensity higher, good Good pliability.Photocatalysis degradation organic contaminant performance is good, and regeneration and cyclicity are good.Can be used as dirty in degradation water or air Contaminate the photochemical catalyst of thing.
Brief description of the drawings
Fig. 1 is the TiO prepared by the embodiment of the present invention 12/SiO2The optical photograph of composite nano fiber；
Fig. 2 is the TiO prepared by the embodiment of the present invention 22/SiO2The optical photograph of composite nano fiber；
Fig. 3 is the TiO prepared by the embodiment of the present invention 32/SiO2The thermogravimetric curve of composite nano fiber pyrolytic process；
Fig. 4 is the TiO prepared by the embodiment of the present invention 12/SiO2The stereoscan photograph of composite nano fiber；
Fig. 5 is the TiO prepared by the embodiment of the present invention 12/SiO2The XRD of composite nano fiber.
Specific embodiment
In a detailed embodiment, TiO of the invention2/SiO2Composite nanometer fiber felt preparation process is as follows：
(1) electrostatic spinning solution is prepared：
First spinning-aid agent is dissolved in organic solvent, is stirred to being completely dissolved, ethyl orthosilicate is then added dropwise thereto successively (TEOS), deionized water, hydrolysis inhibitor, TiO2Presoma, continues to stir 5~12h, obtains pale yellow transparent, uniform and tool There is the spinning solution of certain viscosity.
Preferably, by TEOS:TiO2Presoma=6:1~1:3 (mol ratios)；Spinning-aid agent:(TEOS+TiO2Presoma)= 1:100~10:100 (mass ratioes)；Organic solvent:(TEOS+TiO2Presoma)=1:6~1:3 (mass ratioes)；Hydrolysis suppresses Agent:TiO2Presoma=1:1~4:1 (mol ratio)；Deionized water：TEOS=4:1~1:1 (mol ratio).
(2) electrostatic spinning：Above-mentioned gained spinning solution is added in the syringe of electrospinning device, and is carried out continuous Electrostatic spinning, obtains certain thickness presoma micro nanometer fiber felt.
Preferably, electrospinning conditions are：Syringe needle internal diameter is 0.5~1.5mm, and voltage is 12~25kV, spinning head with it is flat The distance of plate/roller wire drawing device is 10~30cm, and feeding rate is 10~30 μ l/min.Spinning environment temperature is 15~35 DEG C, Relative humidity is 40%~70%.
(3) dried process：Above-mentioned gained fibrofelt is warming up to 100 with the heating rate of 5~20 DEG C/min in an oven ~150 DEG C, and 1~3h is incubated, residual solvent is thoroughly volatilized.
(4) high-temperature calcination (transformation of precursor fibre ceramic)：By above-mentioned gained fibrofelt in Muffle furnace, air atmosphere Under, 400~800 DEG C are warming up to the heating rate of 1~10 DEG C/min, and be incubated 1~4h, that is, obtain white TiO2/SiO2Nanometer Composite fibrofelt.
Below by way of specific embodiment and with reference to accompanying drawing, the present invention will be further described, but the present invention be not limited to it is following Embodiment.
Embodiment 1
(1) under the conditions of magnetic agitation, 0.33g polyethylene glycol oxides are dissolved in 2.65g dimethylformamides, stirring is to complete Uniform mixing, is slowly added dropwise 2.1g ethyl orthosilicates, 0.72g deionized waters successively, 2.4g acetic acid, 3.4g butyl titanates, after Continuous stirring 5h, obtains the pale yellow transparent spinning solution with certain viscosity.
(2) spinning solution obtained as above is loaded into electrostatic spinning apparatus, spinnerette diameters are 1.0mm, sets output voltage It is 14kV, feeding rate is 16 μ l/min, receives flight lead from being 20cm, and room temperature, humidity is 50%, electrostatic spinning is carried out, before obtaining Drive body fibrofelt.
(3) gained precursor fibre felt is placed in baking oven, is heated to 150 DEG C with the heating rate of 20 DEG C/min, and protect Warm 2h, makes residual solvent thoroughly volatilize.
(4) dried precursor fibre felt is placed in Muffle furnace, 500 DEG C is heated to the heating rate of 5 DEG C/min, And 1h is incubated, obtain TiO2/SiO2Composite nanometer fiber felt, yield is 65.2%.
Wherein, TiO2 is anatase crystal, and SiO2 is unformed shape, as shown in Figure 5.
Fig. 4 shows fibre diameter in 300-500nm, and nano level fiber makes fibrofelt integrally have larger specific surface Product, increases its contact area with pollutant, and photocatalysis degradation organic contaminant performance is good.
Embodiment 2
(1) under the conditions of magnetic agitation, 0.9g polyethylene glycol oxides are dissolved in 3.1g ethanol, stirring to substantially uniformity mixes, 2.1g ethyl orthosilicates, 0.5g deionized waters, 5.4g oxalic acid are slowly added dropwise successively, and 7.2g titanium sulfates continue to stir 10h, obtain Pale yellow transparent spinning solution with certain viscosity.
(2) spinning solution obtained as above is loaded into electrostatic spinning apparatus, spinnerette diameters are 0.8mm, sets output voltage It is 17kV, feeding rate is 10 μ l/min, receives flight lead from being 15cm, and room temperature, humidity is 50%, electrostatic spinning is carried out, before obtaining Drive body fibrofelt.
(3) gained precursor fibre felt is placed in baking oven, is heated to 100 DEG C with the heating rate of 20 DEG C/min, and protect Warm 2h, makes residual solvent thoroughly volatilize.
(4) dried precursor fibre felt is placed in Muffle furnace, 600 DEG C is heated to the heating rate of 5 DEG C/min, And 1h is incubated, obtain TiO2/SiO2Composite nanometer fiber felt, yield is 71.5%.
As shown in Fig. 2 it can be wrapped on the pencil of a diameter of 1cm without fractureing, and the fibrofelt of about 2g can be with Sling 100g counterweights, with intensity higher, good pliability.
Embodiment 3
(1) under the conditions of magnetic agitation, 0.15g polyvinyl alcohol is dissolved in 2.0g ethanol, stirring to substantially uniformity mixing, according to Secondary to be slowly added dropwise 4.2g ethyl orthosilicates, 3.6g acetic acid, 3.4g butyl titanates, the HCl solution 5mL of 0.1mol/L continues to stir 12h is mixed, the pale yellow transparent spinning solution with certain viscosity is obtained.
(2) spinning solution obtained as above is loaded into electrostatic spinning apparatus, spinnerette diameters are 0.8mm, sets output voltage It is 16kV, feeding rate is 8 μ l/min, receives flight lead from being 25cm, and room temperature, humidity is 50%, carries out electrostatic spinning, obtains forerunner Body fibrofelt.
(3) gained precursor fibre felt is placed in baking oven, is heated to 100 DEG C with the heating rate of 20 DEG C/min, and protect Warm 2h, makes residual solvent thoroughly volatilize.
(4) dried precursor fibre felt is placed in Muffle furnace, 800 is heated to the heating rate of 10 DEG C/min DEG C, and 1h is incubated, obtain TiO2/SiO2Composite nanometer fiber felt, ceramic yield reaches 77.6% after high-temperature calcination as shown in Figure 3.
TiO prepared by embodiment 1~32/SiO2Composite nano fiber can effectively degrade in sewage under ultraviolet light Organic pollution, for example, 0.1g fibrofelts are added in the 100ml methylene blue solutions that concentration is 20ppm, under uviol lamp After irradiation 2h, it is original 13% that solution concentration is relatively low.Also, can be after filtering composite fibrofelt and treatment or being centrifuged Water is separated, and realizes the recovery of catalyst, and the rate of recovery is more than 95%.By the fiber after recovery in atmosphere, more than 200 DEG C calcinings Regeneration is capable of achieving after 1h, and still keeps identical organic pollutant degradation efficiency.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include Within protection scope of the present invention.

Claims (10)

1. a kind of preparation method of nanofiber mats, it is characterised in that including：
Prepare and include TiO2Presoma, SiO2The colloidal sol of presoma and spinning-aid agent is used as spinning solution；
Then presoma nanofiber mats are prepared using electrostatic spinning technique；
Drying, in atmosphere intensification calcining, are obtained TiO2/SiO2Composite nanometer fiber felt.
2. the preparation method of nanofiber mats according to claim 1, it is characterised in that：The spinning solution collocation method For：Spinning-aid agent is dissolved in organic solvent, SiO is then sequentially added2Presoma, deionized water, hydrolysis inhibitor and TiO2Forerunner Body, continues to stir the spinning solution for being obtained and having certain viscosity.
3. the preparation method of nanofiber mats according to claim 1 and 2, it is characterised in that：The TiO2Presoma is included One or more combination in isopropyl titanate, titanium tetrachloride, butyl titanate and titanium sulfate；The SiO2Presoma includes original Silester.
4. the preparation method of nanofiber mats according to claim 2, it is characterised in that：The spinning-aid agent is polyacrylonitrile (PAN) one kind, in polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), polyethylene glycol oxide (PEO) and polypropylene (PP) or Multiple combination；The organic solvent is the one kind in methyl alcohol, ethanol, dimethylformamide, dimethyl sulfoxide (DMSO), acetone and isopropanol Or multiple combination；The hydrolysis inhibitor is the HNO of the HCl solution of 0.1~1mol/L, 0.1~1mol/L3Solution, glacial acetic acid With one or more combination of oxalic acid.
5. the preparation method of nanofiber mats according to claim 1 and 2, it is characterised in that：In the spinning solution, Ti Element is 6 with the mol ratio of Si elements:1~1:3；Spinning-aid agent:(SiO2Presoma+TiO2Presoma) mass ratio be 1:100~ 10:100。
6. the preparation method of nanofiber mats according to claim 2, it is characterised in that：Organic solvent:(SiO2Presoma+ TiO2Presoma)=1:6~1:3 (mass ratioes)；Hydrolysis inhibitor:TiO2Presoma=1:1~4:1 (mol ratio)；Deionization Water：SiO2Presoma=4:1~1:1 (mol ratio).
7. the preparation method of nanofiber mats according to claim 1 and 2, it is characterised in that：Electrospinning conditions are：Pin Head internal diameter is 0.5~1.5mm, and voltage is 12~25kV, and spinning head is 10~30cm with the distance of flat board/roller wire drawing device, is supplied Material speed is 10~30 μ l/min, and spinning environment temperature is 15~35 DEG C, and relative humidity is 40%~70%.
8. the preparation method of nanofiber mats according to claim 1 and 2, it is characterised in that：Calcination condition is：Air In, 400~800 DEG C are warming up to the heating rate of 1~10 DEG C/min, and be incubated 1~4h.
9. a kind of nanofiber mats, it is characterised in that：It is TiO2/SiO2Composite nanometer fiber felt, TiO2And SiO2Mol ratio be 6:1~1:3, TiO2Predominantly Detitanium-ore-type, SiO2It is unformed shape.
10. nanofiber mats according to claim 9, it is characterised in that：A diameter of 300~500nm of fiber.
CN201710038160.9A 2017-01-19 2017-01-19 A kind of nanofiber mats and preparation method thereof Active CN106835502B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710038160.9A CN106835502B (en) 2017-01-19 2017-01-19 A kind of nanofiber mats and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710038160.9A CN106835502B (en) 2017-01-19 2017-01-19 A kind of nanofiber mats and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106835502A true CN106835502A (en) 2017-06-13
CN106835502B CN106835502B (en) 2019-05-03

Family

ID=59124835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710038160.9A Active CN106835502B (en) 2017-01-19 2017-01-19 A kind of nanofiber mats and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106835502B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108525527A (en) * 2018-02-27 2018-09-14 北京市水科学技术研究院 Carbon fiber O3 catalytic oxidation composite separating film and its preparation method and application
CN109082769A (en) * 2018-06-22 2018-12-25 西安工程大学 A kind of preparation method of flexibility TiOx nano fiber phosphorylation peptide gathering material
CN110512354A (en) * 2019-08-15 2019-11-29 东华大学 A kind of preparation method of flexibility barium titanate ceramics nano fibrous membrane
CN112095158A (en) * 2020-09-14 2020-12-18 青岛大学 Flexible inorganic nanofiber yarn and preparation method thereof
CN113737395A (en) * 2021-08-06 2021-12-03 华南理工大学 Flexible titanium dioxide nanofiber membrane and preparation method and application thereof
CN115216863A (en) * 2021-06-18 2022-10-21 哈尔滨工业大学 CoFe 2 O 4 -TiO 2 Composite fiber and preparation method and application thereof
CN115418730A (en) * 2022-09-29 2022-12-02 中国人民解放军海军工程大学 Preparation method of silicon dioxide/titanium dioxide infrared heat insulation composite fiber
EP3939693A4 (en) * 2019-03-14 2022-12-14 Korea Institute Of Materials Science Ceramic nanofiber structure, ceramic nanofiber separation membrane modified with photocatalyst, and method for manufacturing same
WO2023040966A1 (en) * 2021-09-17 2023-03-23 中科润资(重庆)节能科技有限公司 Thermal insulation material, and preparation method therefor and use thereof

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070269655A1 (en) * 2006-03-31 2007-11-22 Joo Yong L Nanofibers, nanotubes and nanofiber mats comprising crystalline metal oxides and methods of making the same
CN101352630A (en) * 2008-08-29 2009-01-28 上海兰度科技有限公司 Multifunctional nano filter medium and preparation method thereof
CN101880917A (en) * 2010-02-05 2010-11-10 西安理工大学 Method for preparing nano ceramic fibers
CN102242464A (en) * 2010-05-10 2011-11-16 中国科学院理化技术研究所 Polymer-ceramic compound nanometer fibrous membrane as well as preparation method and application thereof
CN102373515A (en) * 2010-08-11 2012-03-14 苏州大学 TiO2-SiO2 bi-component nano-grade fiber and preparation method thereof
CN102867887A (en) * 2012-10-17 2013-01-09 青岛大学 Method for preparing titanium dioxide nanofiber ultraviolet light dependent resistor
CN103287031A (en) * 2013-06-05 2013-09-11 天津工业大学 Method for preparing synchronous reinforced and toughened glass fiber resin-base composite material
CN103316625A (en) * 2013-06-06 2013-09-25 吉林大学 silicon oxide/titanium oxide composite mesoporous flexible non-woven fiber membrane, and preparation method and application thereof
CN103709565A (en) * 2013-12-26 2014-04-09 清华大学 Composite fiber and polymer based flexible composite film and preparation method thereof
CN104353462A (en) * 2014-11-15 2015-02-18 辽宁石油化工大学 Preparation method and application of TiO2-SiO2 composite nanofiber supported amorphous alloy catalyst
CN105887332A (en) * 2016-06-06 2016-08-24 东华大学 Preparation method of nitrogen-doped flexible TiO2-SiO2 nanofiber membrane with visible light catalytic function

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070269655A1 (en) * 2006-03-31 2007-11-22 Joo Yong L Nanofibers, nanotubes and nanofiber mats comprising crystalline metal oxides and methods of making the same
CN101352630A (en) * 2008-08-29 2009-01-28 上海兰度科技有限公司 Multifunctional nano filter medium and preparation method thereof
CN101880917A (en) * 2010-02-05 2010-11-10 西安理工大学 Method for preparing nano ceramic fibers
CN102242464A (en) * 2010-05-10 2011-11-16 中国科学院理化技术研究所 Polymer-ceramic compound nanometer fibrous membrane as well as preparation method and application thereof
CN102373515A (en) * 2010-08-11 2012-03-14 苏州大学 TiO2-SiO2 bi-component nano-grade fiber and preparation method thereof
CN102867887A (en) * 2012-10-17 2013-01-09 青岛大学 Method for preparing titanium dioxide nanofiber ultraviolet light dependent resistor
CN103287031A (en) * 2013-06-05 2013-09-11 天津工业大学 Method for preparing synchronous reinforced and toughened glass fiber resin-base composite material
CN103316625A (en) * 2013-06-06 2013-09-25 吉林大学 silicon oxide/titanium oxide composite mesoporous flexible non-woven fiber membrane, and preparation method and application thereof
CN103709565A (en) * 2013-12-26 2014-04-09 清华大学 Composite fiber and polymer based flexible composite film and preparation method thereof
CN104353462A (en) * 2014-11-15 2015-02-18 辽宁石油化工大学 Preparation method and application of TiO2-SiO2 composite nanofiber supported amorphous alloy catalyst
CN105887332A (en) * 2016-06-06 2016-08-24 东华大学 Preparation method of nitrogen-doped flexible TiO2-SiO2 nanofiber membrane with visible light catalytic function

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108525527A (en) * 2018-02-27 2018-09-14 北京市水科学技术研究院 Carbon fiber O3 catalytic oxidation composite separating film and its preparation method and application
CN109082769A (en) * 2018-06-22 2018-12-25 西安工程大学 A kind of preparation method of flexibility TiOx nano fiber phosphorylation peptide gathering material
EP3939693A4 (en) * 2019-03-14 2022-12-14 Korea Institute Of Materials Science Ceramic nanofiber structure, ceramic nanofiber separation membrane modified with photocatalyst, and method for manufacturing same
CN110512354A (en) * 2019-08-15 2019-11-29 东华大学 A kind of preparation method of flexibility barium titanate ceramics nano fibrous membrane
CN110512354B (en) * 2019-08-15 2021-07-27 东华大学 Preparation method of flexible barium titanate ceramic nanofiber membrane
CN112095158A (en) * 2020-09-14 2020-12-18 青岛大学 Flexible inorganic nanofiber yarn and preparation method thereof
CN115216863A (en) * 2021-06-18 2022-10-21 哈尔滨工业大学 CoFe 2 O 4 -TiO 2 Composite fiber and preparation method and application thereof
CN113737395A (en) * 2021-08-06 2021-12-03 华南理工大学 Flexible titanium dioxide nanofiber membrane and preparation method and application thereof
WO2023040966A1 (en) * 2021-09-17 2023-03-23 中科润资(重庆)节能科技有限公司 Thermal insulation material, and preparation method therefor and use thereof
CN115418730A (en) * 2022-09-29 2022-12-02 中国人民解放军海军工程大学 Preparation method of silicon dioxide/titanium dioxide infrared heat insulation composite fiber

Also Published As

Publication number Publication date
CN106835502B (en) 2019-05-03

Similar Documents

Publication Publication Date Title
CN106835502B (en) A kind of nanofiber mats and preparation method thereof
CN108842304B (en) Porous supported electrostatic spinning nano photocatalytic fiber membrane and preparation method thereof
WO2016146070A1 (en) Bismuth-titanium oxide nanowire material used for photocatalysis, and preparation method
US8585795B2 (en) Ceramic nanofibers for liquid or gas filtration and other high temperature (> 1000° C.) applications
CN103316625B (en) silicon oxide/titanium oxide composite mesoporous flexible non-woven fiber membrane, and preparation method and application thereof
CN107938028B (en) Preparation method of photocatalytic composite fiber with strong adsorption effect
CN108745356A (en) A kind of porous WO of precious metals pt load3Nanofiber photocatalyst and preparation method
CN104226020A (en) Composite nanometer filter material with catalytic function as well as preparation method and application of composite nanometer filter material
KR20110075509A (en) Manufacturing method of titanium dioxide fiber added silver
CN103451852A (en) Preparation method of TiO2 nanorod/SiC composite fiber felt
CN104056612A (en) Preparation method of metallic oxide/silicon dioxide hybridized nanofiber photocatalytic material
CN111167455A (en) Graphene-loaded cobalt-doped titanium dioxide photocatalyst and preparation method thereof
WO2007123114A1 (en) Titania fiber and method for producing titania fiber
CN106978652A (en) A kind of preparation method of the sour oxygen titanium precursors colloidal sol spinning solution of poly-vinegar and TiOx nano fiber photocatalyst
CN113737395A (en) Flexible titanium dioxide nanofiber membrane and preparation method and application thereof
CN107029693B (en) Carbon dot-doped titanium dioxide composite microtube and preparation method thereof
CN1128017C (en) Air cleaning material and its preparing process and usage
CN104032406A (en) Preparation method for porous inorganic photocatalytic composite nanometer fiber
TWI566830B (en) Preparation of Photocatalyst Composite Nanofibers
CN101745130A (en) Preparation method of novel material for controlling indoor air pollution
CN108993463A (en) A kind of paper mold catalyst and preparation method thereof
CN103880071B (en) A kind of preparation method of spumescence titanium dioxide
CN114561719B (en) Cerium oxide/silicon oxide composite fiber material with fiber interweaved structure and preparation method and application thereof
CN110983620A (en) Flexible silicon carbide nanofiber/carbon nanofiber composite felt material and preparation method thereof
CN107694352A (en) Titania fiber composite ceramic separation membrane and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20180816

Address after: 410000 room 2326-2329, 109 pixel building, Valley Road, Changsha hi tech Development Zone, Hunan

Applicant after: Hunan Li Tu Century Trading Co.,Ltd.

Address before: 410000 109 yuan building 2327, Valley Road, Changsha hi tech Development Zone, Hunan

Applicant before: HUNAN TIANJIAN TAIRONG TECHNOLOGY CO.,LTD.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220922

Address after: Room 3168, 3rd Floor, Main Building, Galaxy Science and Technology Park, No. 15 Lutian Road, High-tech Development Zone, Changsha City, Hunan Province 410000

Patentee after: Hunan xiliken Technology Co.,Ltd.

Address before: 410000 room 2326-2329, 109 pixel building, Valley Road, Changsha hi tech Development Zone, Hunan

Patentee before: Hunan Li Tu Century Trading Co.,Ltd.

TR01 Transfer of patent right