CN108998892A - A kind of preparation method of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa - Google Patents
A kind of preparation method of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa Download PDFInfo
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- 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
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- 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
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
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- 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
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
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- 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
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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- 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
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- 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
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- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
Abstract
The invention discloses a kind of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa preparation methods.The method prepares graphene oxide dispersion first, then polyacrylonitrile is dissolved in dispersion liquid, it is uniformly mixed and obtains graphene oxide/polyacrylonitrile electrostatic spinning liquid, and chitosan and polyethylene glycol oxide are dissolved in be uniformly mixed in formic acid solution and prepare chitosan electrostatic spinning liquid, electrostatic spinning, which is carried out, using graphene oxide/polyacrylonitrile electrostatic spinning liquid later prepares graphene oxide/polyacrylonitrile nanofiber film, finally electrostatic spinning is carried out on graphene oxide/polyacrylonitrile nanofiber surface using chitosan electrostatic spinning liquid, chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa is made.The present invention is by effectively increasing the mechanical performance of polyacrylonitrile nanofiber film, increasing the tensile strength and elasticity modulus of polyacrylonitrile nanofiber film in graphene oxide/one layer of chitosan of polyacrylonitrile nanofiber surface electrospinning.
Description
Technical field
The present invention relates to a kind of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa preparation methods, belong to
Field of compound material.
Background technique
Graphene oxide due to its huge specific surface area and oxygen-containing group abundant (epoxides, hydroxyl, carbonyl and
Carboxyl), it is widely used in the process field of heavy metal.Graphene oxide is in removal such as Cd2+, Cu2+, Pb2+And Co2+Deng weight
Immense success is achieved in terms of metal ion.However, due to the oxidation on its basal plane and edge there are hydrophilic radical, in aqueous solution
Graphene shows high dispersion performance.Therefore, after adsorption treatment, isolate graphene oxide in aqueous solution is very tired
Difficult.
Electrospinning polyacrylonitrile nano film can be used for many fields, such as conductive-nano-fibers, wound dressing, biocatalysis
Agent, organization bracket and delivery system.Polyacrylonitrile nanofiber has high chemical resistance, thermal stability and wettable, can
As ultrafiltration and nanofiltration membrane.
In order to improve polyacrylonitrile nanofiber heavy metal adsorption and remove the performance of microorganism, need to mix functionalization
Learn substance and polymer.However functional chemical is incorporated into the mechanical performance packet that will lead to nanofiber in nanofiber
Including elasticity modulus, tensile strength and toughness reduces, such as zinc oxide is incorporated into polyacrylonitrile by Pooria Pasbakhsh et al.
In nanofiber, it is found that the tensile strength of fiber and elasticity modulus reduce 35% and 18% (Makaremi M, et respectively
al.Electrospun functionalized polyacrylonitrile–chitosan Bi-layer membranes
for water filtration applications[J].RSC Advances,2016,6(59):53882-53893.)。
Summary of the invention
It is existing doping functionalization substance polyacrylonitrile nanofiber existing for mechanical performance reduce aiming at the problem that, this
Invention provides a kind of preparation method of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa, significantly improves
The mechanical strength of polyacrylonitrile nanofiber.
Technical scheme is as follows:
A kind of preparation method of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa, the specific steps are as follows:
Step 1, the preparation of graphene oxide uniform dispersion:
Graphene oxide is placed in n,N-Dimethylformamide (DMF), 60~120min of ultrasonication, obtains at room temperature
Uniform graphene oxide dispersion；
Step 2, graphene oxide/polyacrylonitrile electrostatic spinning liquid preparation:
Polyacrylonitrile is added in graphene oxide dispersion, at room temperature with the speed of 160~200r/min stirring 5~
10h obtains graphene oxide/polyacrylonitrile electrostatic spinning liquid；
Step 3, the preparation of chitosan electrostatic spinning liquid:
By mass ratio be 6:4~8:2 chitosan and polyethylene glycol oxide be dissolved in the formic acid that mass fraction is 40~80%
In solution, 4~8h is stirred with the speed of 200~350r/min at room temperature, evacuation and centrifugal degassing handles to obtain chitosan electrostatic spinning liquid；
Step 4, chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa preparation:
Electrostatic spinning is carried out using graphene oxide/polyacrylonitrile electrostatic spinning liquid and prepares graphene oxide/polyacrylonitrile
Nano fibrous membrane, it is 0.5mm that electrospinning parameters, which are metal needle internal diameter, the fltting speed of 1~3mL/h, and 14~16kV of spinning voltage connects
10~15cm of distance is received, then quiet in graphene oxide/polyacrylonitrile nanofiber surface progress using chitosan electrostatic spinning liquid
Electrospun, it is 0.3mm that electrospinning parameters, which are metal needle internal diameter, the fltting speed of 0.1~0.5mL/h, and 16~17kV of spinning voltage connects
10~15cm of distance is received, chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa is drying to obtain after spinning.
Preferably, in step 1, the concentration of the graphene oxide dispersion is 1~3mg/L.
Preferably, in step 2, in the graphene oxide/polyacrylonitrile electrostatic spinning liquid, polyacrylonitrile accounts for Static Spinning
The quality volume fraction of silk liquid is 10~15%.
Preferably, in step 3, the molecular weight of the chitosan is 120,000, and the chitosan accounts for electrostatic spinning liquid
Quality volume fraction is 1.5~2.5%.
Compared with prior art, the invention has the advantages that
The present invention passes through in graphene oxide/one layer of chitosan nano fiber of polyacrylonitrile nanofiber film surface electrospinning
Film significantly improves the mechanical strength of polyacrylonitrile nanofiber.Chitosan-graphene oxide of the method for the present invention preparation/
Polyacrylonitrile double-layer nanometer tunica fibrosa has a good application prospect in heavy metal ion adsorbed process field.
Detailed description of the invention
Fig. 1 is graphene oxide/polyacrylonitrile nanofiber (A), chitosan nano fiber (B) and chitosan-polypropylene
The scanning electron microscope (SEM) photograph of nitrile nanofibre (C).
Specific embodiment
Below with reference to embodiment and attached drawing, the invention will be further described.
Embodiment 1
(1) 3mg graphene oxide is added in the n,N dimethylformamide of 3mL, then ultrasonication disperses 60min, is made
The graphene oxide dispersion of 1mg/mL.
(2) polyacrylonitrile of 0.45g is added in the dispersion liquid of graphene oxide, at room temperature, 180r/min, magnetic force
10~15h is stirred, electrostatic spinning liquid is made.
(3) polyacrylonitrile spinning solution is stood 6 hours to remove the bubble in solution, carries out electrospinning, electrostatic spinning connects
Receipts substrate is aluminium-foil paper.Electrospinning parameters: metal internal diameter is 0.51mm, and under the voltage of 15kV, receiving distance is 10cm, with
The fltting speed of 1.4mL/h carries out electrospinning, obtains graphene oxide/polyacrylonitrile nanofiber film.
(4) chitosan of 0.0878g and the polyethylene glycol oxide of 0.0585g that mass ratio is 6:4 are added to 4.4mL's
In 50% formic acid solution, at room temperature, chitosan electrostatic spinning liquid is made in 300r/min, 10~15h of magnetic agitation.
(5) chitosan spinning solution is stood 3 hours to remove the bubble in solution, carries out electrospinning, electrostatic spinning receives
Substrate is polyacrylonitrile nanofiber film.Electrospinning parameters: metal needle internal diameter be 0.33mm, under the voltage of 16.5kV, receive away from
From for 10cm, electrospinning is carried out with the fltting speed of 0.3mL/h.
(6) nano fibrous membrane prepared is obtained by drying in 50 DEG C of drying boxes arrives a kind of chitosan-graphene oxide/poly- third
Alkene nitrile double-layer nanometer tunica fibrosa.
Embodiment 2
(1) 6mg graphene oxide is added in the n,N dimethylformamide of 3mL, then ultrasonication disperses 60min, is made
The graphene oxide dispersion of 2mg/mL.
(2) polyacrylonitrile of 0.45g is added in the dispersion liquid of graphene oxide, at room temperature, 180r/min, magnetic force
10~15h is stirred, electrostatic spinning liquid is made.
(3) polyacrylonitrile spinning solution is stood 6 hours to remove the bubble in solution, carries out electrospinning, electrostatic spinning connects
Receipts substrate is aluminium-foil paper.Electrospinning parameters: metal internal diameter is 0.51mm, and under the voltage of 15kV, receiving distance is 10cm, with
The fltting speed of 1.4mL/h carries out electrospinning, obtains graphene oxide/polyacrylonitrile nanofiber film.
(4) chitosan of 0.0878g and the polyethylene glycol oxide of 0.0376g that mass ratio is 7:3 are added to 4.4mL's
In 50% formic acid solution, at room temperature, chitosan electrostatic spinning liquid is made in 300r/min, 10~15h of magnetic agitation.
(5) chitosan spinning solution is stood 3 hours to remove the bubble in solution, carries out electrospinning, electrostatic spinning receives
Substrate is polyacrylonitrile nanofiber film.Electrospinning parameters: metal needle internal diameter be 0.33mm, under the voltage of 16.5kV, receive away from
From for 10cm, electrospinning is carried out with the fltting speed of 0.3mL/h.
(6) nano fibrous membrane prepared is obtained by drying in 50 DEG C of drying boxes arrives a kind of chitosan-graphene oxide/poly- third
Alkene nitrile double-layer nanometer tunica fibrosa.
Embodiment 3
(1) 9mg graphene oxide is added in the n,N dimethylformamide of 3mL, then ultrasonication disperses 60min, is made
The graphene oxide dispersion of 3mg/mL.
(2) polyacrylonitrile of 0.45g is added in the dispersion liquid of graphene oxide, at room temperature, 180r/min, magnetic force
10~15h is stirred, electrostatic spinning liquid is made.
(3) polyacrylonitrile spinning solution is stood 6 hours to remove the bubble in solution, carries out electrospinning, electrostatic spinning connects
Receipts substrate is aluminium-foil paper.Electrospinning parameters: metal internal diameter is 0.51mm, and under the voltage of 15kV, receiving distance is 10cm, with
The fltting speed of 1.4mL/h carries out electrospinning, obtains graphene oxide/polyacrylonitrile nanofiber film, scanning electron microscope such as Fig. 1
(A) shown in.
(4) chitosan of 0.0878g and the polyethylene glycol oxide of 0.0221g that mass ratio is 8:2 are added to 4.4mL's
In 50% formic acid solution, at room temperature, chitosan electrostatic spinning liquid is made in 300r/min, 10~15h of magnetic agitation.
(5) chitosan spinning solution is stood 3 hours to remove the bubble in solution, carries out electrospinning, electrostatic spinning receives
Substrate is polyacrylonitrile nanofiber film.Electrospinning parameters: metal needle internal diameter be 0.33mm, under the voltage of 16.5kV, receive away from
From for 10cm, electrospinning is carried out with the fltting speed of 0.3mL/h, shown in chitosan nano fiber scanning electron microscope such as Fig. 1 (B).
(6) nano fibrous membrane prepared is obtained by drying in 50 DEG C of drying boxes arrives a kind of chitosan-graphene oxide/poly- third
Alkene nitrile double-layer nanometer tunica fibrosa.
Comparative example
This comparative example is substantially the same manner as Example 1, and unique different place is that the concentration of graphene oxide dispersion is
0mg/mL obtains chitosan-polyacrylonitrile nanofiber film, shown in scanning electron microscope such as Fig. 1 (C).
The mechanical performance of each nano fibrous membrane of table 1
Table 1 is the mechanical properties results of each nano fibrous membrane.The mechanical properties data bibliography of chitosan nano fiber
(Makaremi M,et al.Electrospun functionalized polyacrylonitrile–chitosan Bi-
layer membranes for water filtration applications[J].RSC Advances,2016,6(59):
53882-53893.).As it can be seen from table 1 addition chitosan layer (i.e. in the case where graphene oxide is not present) is significantly
The tensile strength of polyacrylonitrile film and elasticity modulus are improved into 74% and 32%.The incorporation of graphene oxide is so that polyacrylonitrile
Mechanical performance decline.In polyacrylonitrile film surface one layer of chitin fiber film of electrospinning, as chitosan nano fiber is poly- third
Alkene nitrile nanofibre surface is gradual drying, and chitosan nano fiber and polyacrylonitrile generate strong physical attachment and act on, simultaneously
Hydroxyl in chitosan molecule chain can form hydrogen bond with hydroxyl, the carboxyl in graphene oxide, and the two be combined with each other so that film machine
Tool performance improves.
Claims (4)
1. a kind of chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa preparation method, which is characterized in that specific
Steps are as follows:
Step 1, the preparation of graphene oxide uniform dispersion:
Graphene oxide is placed in n,N-Dimethylformamide, at room temperature 60~120min of ultrasonication, obtains uniform oxygen
Graphite alkene dispersion liquid；
Step 2, graphene oxide/polyacrylonitrile electrostatic spinning liquid preparation:
Polyacrylonitrile is added in graphene oxide dispersion, 5~10h is stirred with the speed of 160~200r/min at room temperature,
Obtain graphene oxide/polyacrylonitrile electrostatic spinning liquid；
Step 3, the preparation of chitosan electrostatic spinning liquid:
By mass ratio be 6:4~8:2 chitosan and polyethylene glycol oxide be dissolved in the formic acid solution that mass fraction is 40~80%
In, 4~8h is stirred with the speed of 200~350r/min at room temperature, evacuation and centrifugal degassing handles to obtain chitosan electrostatic spinning liquid；
Step 4, chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa preparation:
Electrostatic spinning is carried out using graphene oxide/polyacrylonitrile electrostatic spinning liquid and prepares graphene oxide/polyacrylonitrile nano
Tunica fibrosa, it is 0.5mm that electrospinning parameters, which are metal needle internal diameter, the fltting speed of 1~3mL/h, 14~16kV of spinning voltage, receive away from
Static Spinning is carried out on graphene oxide/polyacrylonitrile nanofiber surface from 10~15cm, then using chitosan electrostatic spinning liquid
Silk, it is 0.3mm that electrospinning parameters, which are metal needle internal diameter, the fltting speed of 0.1~0.5mL/h, 16~17kV of spinning voltage, receive away from
From 10~15cm, chitosan-graphene oxide/polyacrylonitrile double-layer nanometer tunica fibrosa is drying to obtain after spinning.
2. preparation method according to claim 1, which is characterized in that in step 1, the graphene oxide dispersion
Concentration is 1~3mg/L.
3. preparation method according to claim 1, which is characterized in that in step 2, the graphene oxide/polypropylene
In nitrile electrostatic spinning liquid, the quality volume fraction that polyacrylonitrile accounts for electrostatic spinning liquid is 10~15%.
4. preparation method according to claim 1, which is characterized in that in step 3, the molecular weight of the chitosan is 12
Ten thousand, the quality volume fraction that the chitosan accounts for electrostatic spinning liquid is 1.5~2.5%.
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Cited By (6)
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|---|---|---|---|---|
| CN109921078A (en) * | 2019-03-18 | 2019-06-21 | 山东星火科学技术研究院 | The preparation method of the static spinning membrane of sulfonated polyether-ether-ketone and graphene oxide |
| CN110813106A (en) * | 2019-11-28 | 2020-02-21 | 吉林大学 | MOFs modified double-layer structure composite electrospun nanofiber membrane, preparation method and application thereof in blood purification |
| CN110973743A (en) * | 2020-01-10 | 2020-04-10 | 中原工学院 | Waterproof and moisture permeable composite fabric containing fluorinated graphene and preparation method thereof |
| CN113308799A (en) * | 2021-01-15 | 2021-08-27 | 南京林业大学 | Double-layer nanofiber membrane for water-oil separation and preparation method thereof |
| CN114232213A (en) * | 2021-05-06 | 2022-03-25 | 杭州佳杭新材料科技有限公司 | Preparation method of modified polyacrylonitrile fiber membrane with antibacterial property |
| CN115377606A (en) * | 2022-08-23 | 2022-11-22 | 北京化工大学 | High-performance chitosan/polyacrylonitrile diaphragm for multifunctional lithium-sulfur battery and preparation method and application thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008303514A (en) * | 2007-06-11 | 2008-12-18 | Japan Vilene Co Ltd | Method for producing electrospun nonwoven fabric |
| JP2009099836A (en) * | 2007-10-18 | 2009-05-07 | Kuraray Co Ltd | Separator for capacitor, and capacitor |
| CN103481624A (en) * | 2013-08-09 | 2014-01-01 | 天津工业大学 | Preparation method of multilayer sandwich type electrostatic-spinning polymer nanofiber composite membrane |
| CN105280939A (en) * | 2014-07-09 | 2016-01-27 | 中国第一汽车股份有限公司 | Device and method for preparing multi-layer composite nanofiber proton exchange membrane |
| CN105420923A (en) * | 2016-01-07 | 2016-03-23 | 武汉工程大学 | Method for strengthening mechanical property of nanofiber membrane |
| CN105483939A (en) * | 2016-01-12 | 2016-04-13 | 山东佳星环保科技有限公司 | Preparation method of porous graphene nanofiber membrane |
| CN105536577A (en) * | 2016-01-25 | 2016-05-04 | 东华大学 | Novel method for preparing chitosan nanofiber-base composite filter membrane |
| CN106207124A (en) * | 2016-08-22 | 2016-12-07 | 浙江理工大学 | The nano combined nano fibrous membrane of silicon/carbon of graphene coated and application thereof |
| CN106311165A (en) * | 2015-07-07 | 2017-01-11 | 中国科学院过程工程研究所 | Chitosan nanofiber composite film for adsorbing and separating heavy metal ions and preparation method and application thereof |
| CN106362604A (en) * | 2016-11-24 | 2017-02-01 | 陕西聚洁瀚化工有限公司 | Method for preparing polyelectrolyte coating and nanofiber membrane composite filter membrane |
| CN106390177A (en) * | 2016-09-28 | 2017-02-15 | 深圳先进技术研究院 | Chitosan-based multi-layer nanofiber membrane dressing as well as preparation method and application thereof |
| CN106422779A (en) * | 2016-09-28 | 2017-02-22 | 天津工业大学 | Structural design and preparation method of chitosan and nanofiber composite forward osmosis membrane |
| CN106521719A (en) * | 2016-11-10 | 2017-03-22 | 过冬 | Graphene-based carbon nanofiber preparation method |
-
2017
- 2017-06-07 CN CN201710424095.3A patent/CN108998892A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008303514A (en) * | 2007-06-11 | 2008-12-18 | Japan Vilene Co Ltd | Method for producing electrospun nonwoven fabric |
| JP2009099836A (en) * | 2007-10-18 | 2009-05-07 | Kuraray Co Ltd | Separator for capacitor, and capacitor |
| CN103481624A (en) * | 2013-08-09 | 2014-01-01 | 天津工业大学 | Preparation method of multilayer sandwich type electrostatic-spinning polymer nanofiber composite membrane |
| CN105280939A (en) * | 2014-07-09 | 2016-01-27 | 中国第一汽车股份有限公司 | Device and method for preparing multi-layer composite nanofiber proton exchange membrane |
| CN106311165A (en) * | 2015-07-07 | 2017-01-11 | 中国科学院过程工程研究所 | Chitosan nanofiber composite film for adsorbing and separating heavy metal ions and preparation method and application thereof |
| CN105420923A (en) * | 2016-01-07 | 2016-03-23 | 武汉工程大学 | Method for strengthening mechanical property of nanofiber membrane |
| CN105483939A (en) * | 2016-01-12 | 2016-04-13 | 山东佳星环保科技有限公司 | Preparation method of porous graphene nanofiber membrane |
| CN105536577A (en) * | 2016-01-25 | 2016-05-04 | 东华大学 | Novel method for preparing chitosan nanofiber-base composite filter membrane |
| CN106207124A (en) * | 2016-08-22 | 2016-12-07 | 浙江理工大学 | The nano combined nano fibrous membrane of silicon/carbon of graphene coated and application thereof |
| CN106390177A (en) * | 2016-09-28 | 2017-02-15 | 深圳先进技术研究院 | Chitosan-based multi-layer nanofiber membrane dressing as well as preparation method and application thereof |
| CN106422779A (en) * | 2016-09-28 | 2017-02-22 | 天津工业大学 | Structural design and preparation method of chitosan and nanofiber composite forward osmosis membrane |
| CN106521719A (en) * | 2016-11-10 | 2017-03-22 | 过冬 | Graphene-based carbon nanofiber preparation method |
| CN106362604A (en) * | 2016-11-24 | 2017-02-01 | 陕西聚洁瀚化工有限公司 | Method for preparing polyelectrolyte coating and nanofiber membrane composite filter membrane |
Non-Patent Citations (1)
| Title |
|---|
| 孙晋良 主编: "《纤维新材料》", 31 August 2007, 上海大学出版社 * |
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| CN110813106A (en) * | 2019-11-28 | 2020-02-21 | 吉林大学 | MOFs modified double-layer structure composite electrospun nanofiber membrane, preparation method and application thereof in blood purification |
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