CN108721705A - Preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds - Google Patents
Preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds Download PDFInfo
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- CN108721705A CN108721705A CN201710262596.6A CN201710262596A CN108721705A CN 108721705 A CN108721705 A CN 108721705A CN 201710262596 A CN201710262596 A CN 201710262596A CN 108721705 A CN108721705 A CN 108721705A
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- graphene oxide
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/024—Carbon; Graphite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/146—Porous materials, e.g. foams or sponges
-
- 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
- D01D5/0046—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by coagulation, i.e. wet electro-spinning
-
- 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
- D04H1/70—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
The present invention provides the preparation methods based on pneumatic 3D graphene oxide doped nano fiber scaffolds, belong to field of compound material.The preparation method is：First by graphene oxide and dispersant, homogeneous solution is processed into through ultrasonication；Polyacrylonitrile is placed in the solution of configuration again, magnetic agitation, centrifugal treating deaeration obtains electrostatic spinning liquid after mixing；Auxiliary sheath gas is introduced, obtained electrostatic spinning liquid is blown by self assembly device at fibre in coagulating bath, and the fiber of hygrometric state is freeze-dried, the 3D nano fiber scaffolds of graphene oxide doped are made.The present invention makes graphene oxide Uniform Doped in nanofiber, on the one hand graphene oxide is overcome easily to stack and reunite the fiber surface the shortcomings that, on the other hand it solves the problems, such as that graphene oxide is encapsulated in fibrous inside, the excellent properties of graphene oxide is made to obtain larger performance；The advantages that product has structure fluffy, large specific surface area, aperture is big, can be applied to cell culture.
Description
Technical field
The present invention relates to field of compound material more particularly to a kind of based on pneumatic 3D graphene oxide doped nanofibers
The preparation method of holder.
Background technology
Electrostatic spinning technique refers to that injection stretching occurs under the force effect of high-voltage electrostatic field for polymer solution or melt, through molten
Agent volatilization solidification, obtains a kind of method of fibrous material.Electrostatic spinning is relative to the most important spy of other conventional spinning processes
Point is that the nanofiber that large specific surface area, porosity are high, aperture is small, draw ratio is big can be obtained, in cell culture, environmental protection with
The equal significances in fields such as improvement.Therefore in recent years, electrostatic spinning technique is paid much attention to by people.
Graphene oxide has specific surface area high, good conductivity, electrochemistry and mechanical performance are excellent as a kind of carbon material
The features such as, become research hotspot.Since abundant oxygen-containing group is contained on the surface of graphene oxide, in the shadow of a variety of interactions
It is easier under sound and protein binding, this is significant in terms of promoting cell growth, regulating cell behavior.But due to aoxidizing stone
Black alkene is easy to reunite and stack in the application, limits its actual application value in business, so inhibiting graphene oxide
Stacking and reuniting becomes a great problem, it would be highly desirable to which we solve.
The excellent properties of comprehensive electrostatic spinning technique and graphene oxide, prepare graphene oxide composite nano-fiber material
Just become a kind of trend.Preparing graphene oxide composite nano fiber at present, there are many methods, but big multi-method still stops at present
Two-dimension layer i.e. planar structure is stayed, is arranged closely between fiber, inner space is smaller, and graphene oxide is made to be encapsulated in nanofiber
Portion hinders graphene oxide and is in direct contact with exterior materials, influences the performance of its excellent properties.Even if there is stakeholder in the industry
Electrostatic spinning techniques such as (including other solution) are spun by water and prepare puffy graphene oxide composite nano-fiber material, still
Since surface tension of liquid is larger in bathing pool, fiber accumulations make to tangle between fiber interspersed in liquid surface, and arrangement fluffy degree is not
It is enough, cause aperture less than normal, hinder the performance of the excellent properties of graphene oxide, maximizes its function, cause resource
Waste and application effect is not ideal enough, also portion of techniques personnel prepare that puffy graphene oxide is compound receives using other technologies
Rice fibrous material, fluffy degree is relatively low, therefore how to prepare the nano fiber scaffold of the larger 3D graphene oxide dopeds of fluffy degree,
As our urgent need to solve the problems.
Invention content
Technique is cumbersome, nanofiber three-dimensional extent is inadequate, the easy heap of graphene oxide for existing in the prior art by the present invention
The defects of folded and reunion, a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds is provided, it should
Method can make graphene oxide Uniform Doped on nanofiber, and by be introduced into sheath gas overcome in bathing pool surface tension of liquid compared with
Big problem keeps the fluffy degree of nanofiber preferable.
A kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds of the present invention, including it is following
Specific steps：
Step 1：The preparation of graphene oxide uniform dispersion
Graphene oxide is placed in dispersant, 30~120min of ultrasonication, ultrasonic disperse obtain uniformly at room temperature
Graphene oxide dispersion；
Step 2：The preparation of electrostatic spinning liquid
In the uniform dispersion liquid of graphene oxide prepared by suitable polyacrylonitrile addition step 1, at 45~65 DEG C,
160~200r/min, magnetic force 10~15h of heating stirring, centrifugal treating deaeration obtain electrostatic spinning liquid；
Step 3：The preparation of 3D graphene oxide doped nano fiber scaffolds
The electrostatic spinning liquid that step 2 is obtained is while identical in the injection of electrostatic spinning liquid by being injected in coagulating bath
Side is directed upwardly into sheath gas, and pressure control is in 0~180kpa；Air-flow increases the decrease speed for being injected to fiber in coagulating bath, together
When so that liquid in coagulating bath is formed stable oscillation stationary vibration, generate the nanofiber of hygrometric state puffy；It carries out being freeze-dried obtained 3D oxygen
The nano fiber scaffold of graphite alkene doping.
Preferably, in step 1, it is that raw material is walked through pre-oxidation, oxidation, centrifugation, dialysis that graphene oxide, which is by natural graphite,
It is rapid to prepare；Dispersant is the mixed liquor of DMF, tetrahydrofuran and dichloromethane three, and DMF, tetrahydrofuran and dichloromethane three
Person's mass percent is (2~8)：4：2.
Preferably, in step 1, a concentration of 0~3.0mg/ml of equally distributed graphene oxide dispersion.
Preferably, in step 2, the quality volume fraction that polyacrylonitrile accounts for electrostatic spinning liquid is 10.0~20.0%.
Preferably, in step 2, it is 600~1000r/min that evacuation and centrifugal degassing, which uses centrifuge instrument, rotating speed, and centrifugation time is
1~2h.
Preferably, in step 3, the apparatus for placing of the coagulating bath is transparent cylindrical hollow structure, a diameter of 15~
25cm, solidified inside liquid ingredient are the mixed solution of both water or water and tert-butyl alcohol.
Preferably, in step 3, electrostatic spinning liquid by spray syringe needle spray into, and in coagulating bath liquid level with injection syringe needle it
Between it is adjustable in 5~15cm.
Preferably, adjustable in 5~15cm between liquid level and injection syringe needle in coagulating bath in step 3.
Preferably, in step 3, freeze-drying uses vacuum freeze drier, is freeze-dried 36~60h.
Compared with the prior art, the advantages of the present invention are as follows：
(1) graphene oxide that uses of the present invention be by natural graphite through pre-oxidation, oxidation, centrifugation, dialysis and etc. system
It is standby, it is cheap and easy to get.
(2) present invention forms stable fluctuation, effectively reduces by guiding high pressure gas to spray to the surface of liquid in bathing pool
The surface tension of liquid makes nanofiber be more easy to enter liquid internal, avoids fiber accumulations in liquid surface, reduces interfibrous
It mutually squeezes, obtains the nano fiber scaffold of the preferable 3D graphene oxide dopeds of fluffy degree.
(3) present invention is by configuring equally distributed graphene oxide electrostatic spinning liquid, using wet electrostatic spinning technology,
Make graphene oxide Uniform Doped in nanofiber, on the one hand solves graphene oxide and easily stack and reunite in fiber surface
The shortcomings that, the problem of graphene oxide is encapsulated in fibrous inside is on the other hand overcome, the excellent properties of graphene oxide are made
Obtain larger performance.
Description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph without stannic oxide/graphene nano fibrous framework prepared by the present invention.
Fig. 2 is the shape appearance figure that the present invention prepares the graphene oxide layer that content is 1mg/ml.
Fig. 3 is the pictorial diagram of 3D nano fiber scaffolds prepared by the present invention.
Fig. 4 is the scanning electron microscope (SEM) photograph and its partial enlarged view of 3D nano fiber scaffolds prepared by the present invention, graphite oxide
Alkene content is 2mg/ml.
Effect when reception device figure and sheath gas the auxiliary purging that Fig. 5 (a), Fig. 5 (b) are used when being respectively electrospinning of the present invention
Figure.
Specific implementation mode
With reference to specific implementation example, the present invention is further explained.
Embodiment 1
(1) the dispersant DMF of 3mL is measured：Tetrahydrofuran：Dichloromethane=6:2:4 in screw socket vial, weighs self-control
Graphene oxide 0mg, be placed into vial, sealed with sealed membrane after screw socket vial is screwed, then ultrasonication dispersion
The dispersion liquid without graphene oxide is made in 60min；
(2) it weighs 0.45g polyacrylonitrile fibrils to be added in graphene oxide dispersion, the magnetic at 45 DEG C, 180r/min
Spinning solution is made in power heating stirring 10 hours；
(3) rotating speed is that 800r/min centrifuges prepare electrostatic spinning liquid to spinning solution progress evacuation and centrifugal degassing 1h, is then made
Electrospinning, the patent that device application reference number is 201611200340.4, reception device and work are carried out with the electric spinning equipment built
Shown in design sketch such as Fig. 5 (a) (b).Electrospinning parameters：Spinneret syringe needle is No. 21 flat mouth needles, and under the voltage of 14kV, receiving distance is
10cm, bathing pool diameter 20cm carry out electrospinning with the fltting speed of 1.0mL/h, and sheath gas air pressure is 0kpa, and nanofiber is ejected into
In bathing pool, solution is water in bathing pool, and the hygrometric state nanofiber freeze drier freeze-drying 40h of preparation is to get fluffy to three-dimensional
The nano fiber scaffold of state, scanning electron microscope (SEM) photograph are as shown in Figure 1.
Embodiment 2
(1) the dispersant DMF of 3mL is measured：Tetrahydrofuran：Dichloromethane=6:2:4 in screw socket vial, weighs self-control
Graphene oxide 3mg, be placed into vial, sealed with sealed membrane after screw socket vial is screwed, ultrasonication dispersion
60min, is made the dispersion liquid that graphene oxide content is 1mg/ml, and shape appearance figure is as shown in Figure 2；
(2) it weighs 0.45g polyacrylonitrile fibrils to be added in graphene oxide dispersion, the magnetic at 45 DEG C, 180r/min
Spinning solution is made in power heating stirring 10 hours；
(3) rotating speed is that 800r/min centrifuges prepare electrostatic spinning liquid to spinning solution progress evacuation and centrifugal degassing 1h, is then made
Electrospinning, the patent that device application reference number is 201611200340.4, electrospinning parameters are carried out with the electric spinning equipment built：Spinneret needle
Head is No. 21 flat mouth needles, and under the voltage of 14kV, it is 10cm, bathing pool diameter 20cm, with the fltting speed of 1.0mL/h to receive distance
Electrospinning is carried out, sheath gas air pressure is 100kpa, and nanofiber is ejected into bathing pool, and solution is water in bathing pool, and the hygrometric state of preparation is received
Rice fiber freeze drier freeze-drying 40h is to get to the nano fiber scaffold of 3D graphene oxide dopeds, and pictorial diagram is as schemed
Shown in 3.
Embodiment 3
(1) the dispersant DMF of 3mL is measured：Tetrahydrofuran：Dichloromethane=6:2:4 in screw socket vial, weighs self-control
Graphene oxide 6mg, be placed into vial, sealed with sealed membrane after screw socket vial is screwed, ultrasonication dispersion
The dispersion liquid that graphene oxide content is 2mg/ml is made in 60min；
(2) it weighs 0.45g polyacrylonitrile fibrils to be added in graphene oxide dispersion, the magnetic at 45 DEG C, 180r/min
Spinning solution is made in power heating stirring 10 hours；
(3) rotating speed is that 800r/min centrifuges prepare electrostatic spinning liquid to spinning solution progress evacuation and centrifugal degassing 1h, is then made
Electrospinning, the patent that device application reference number is 201611200340.4, electrospinning parameters are carried out with the electric spinning equipment built：Spinneret needle
Head is No. 21 flat mouth needles, and under the voltage of 14kV, it is 10cm, bathing pool diameter 20cm, with the fltting speed of 1.0mL/h to receive distance
Electrospinning is carried out, sheath gas air pressure is 180kpa, and nanofiber is ejected into bathing pool, and solution is water in bathing pool, and the hygrometric state of preparation is received
Rice fiber freeze drier freeze-drying 40h is to get to the nano fiber scaffold of 3D graphene oxide dopeds, scanning electron microscope (SEM) photograph
And its enlarged drawing is as shown in Figure 4.
From three embodiments above, we can be found that the surface by guiding high pressure gas to blow to liquid in bathing pool,
It is formed shown in stable fluctuation such as Fig. 5 (b), effectively reduces the surface tension of liquid, nanofiber is made to be more easy to enter liquid internal,
It avoids fiber accumulations in liquid surface, reduces interfibrous mutual extruding, obtain the preferable 3D graphene oxide dopeds of fluffy degree
Nano fiber scaffold, as shown in Figure 1 and Figure 4；Graphene oxide is mixed in spinning solution, in spinning process, due to gas
Presence, make rapid solvent evaporation, contribute to the arrangement and distribution of graphene oxide thin slice, simultaneously because the inside diameter of electrostatic field
To orientation, graphene oxide thin slice is set to be moved to the surface of nanofiber, as shown in Figure 4.
Claims (8)
1. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds, which is characterized in that including with
Lower specific steps：
Step 1：The preparation of graphene oxide uniform dispersion
Graphene oxide is placed in dispersant, at room temperature after 30~120min of ultrasonication, ultrasonic disperse obtains uniform oxygen
Graphite alkene dispersion liquid；
Step 2：The preparation of electrostatic spinning liquid
By in the uniform graphene oxide dispersion for preparing of polyacrylonitrile addition step 1, at 45~65 DEG C, 160~200r/
Min, magnetic force 10~15h of heating stirring, centrifugal treating deaeration obtain electrostatic spinning liquid；
Step 3：The preparation of 3D graphene oxide doped nano fiber scaffolds
The electrostatic spinning liquid that step 2 is obtained is by being injected in coagulating bath, while in the injection same direction of electrostatic spinning liquid
Upper introducing sheath gas, pressure control is in 0~180kpa；Sheath gas air-flow is injected to the decrease speed of fiber in coagulating bath increasing,
So that the liquid in coagulating bath is formed stable oscillation stationary vibration simultaneously, generates the nanofiber of hygrometric state puffy；It carries out being freeze-dried obtained 3D
The nano fiber scaffold of graphene oxide doped.
2. the preparation method as described in claim 1 based on pneumatic 3D graphene oxide doped nano fiber scaffolds, special
Sign is, in step 1, it is that raw material is prepared through pre-oxidation, oxidation, centrifugation, dialysis step that graphene oxide, which is by natural graphite,；Point
Powder is the mixed liquor of DMF, tetrahydrofuran and dichloromethane three, and DMF, tetrahydrofuran and dichloromethane three's mass percentage
Than for (2~8)：4：2.
3. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds as described in claim 1,
It is characterized in that, in step 1, a concentration of 0~3.0mg/ml of equally distributed graphene oxide dispersion.
4. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds as described in claim 1,
It is characterized in that, in step 2, the quality volume fraction that polyacrylonitrile accounts for electrostatic spinning liquid is 10.0~20.0%.
5. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds as described in claim 1,
It is characterized in that, in step 2, evacuation and centrifugal degassing uses centrifuge instrument, and rotating speed is 600~1000r/min, centrifugation time is 1~
2h。
6. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds as described in claim 1,
It is characterized in that, in step 3, the apparatus for placing of the coagulating bath is transparent cylindrical hollow structure, a diameter of 15~25cm,
Solidified inside liquid ingredient is the mixed solution of both water or water and tert-butyl alcohol.
7. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds as described in claim 1,
It is characterized in that, in step 3, electrostatic spinning liquid is sprayed by spraying syringe needle, and in coagulating bath between liquid level and injection syringe needle 5
~15cm is adjustable.
8. a kind of preparation method based on pneumatic 3D graphene oxide doped nano fiber scaffolds as described in claim 1,
It is characterized in that, in step 3, freeze-drying uses vacuum freeze drier, is freeze-dried 36~60h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155197A (en) * | 2020-01-10 | 2020-05-15 | 华南理工大学 | Magnetic fiber material and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018361A1 (en) * | 2003-09-05 | 2007-01-25 | Xiaoming Xu | Nanofibers, and apparatus and methods for fabricating nanofibers by reactive electrospinning |
| CN203976987U (en) * | 2014-08-11 | 2014-12-03 | 厦门大学 | The even air feed flow passage structure of a kind of sheath layer air-flow |
| US20160040320A1 (en) * | 2014-08-07 | 2016-02-11 | Research & Business Foundation Sungkyunkwan University | Method of manufacturing porous three-dimensional micro/nanofibrous scaffold using electrohydrodynamic process and porous three-dimensional micro/nanofibrous scaffold manufactured thereby |
| 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 |
| CN106119996A (en) * | 2016-09-07 | 2016-11-16 | 厦门大学 | For preparing the many fluid jet nozzles of the coaxial electrically spun of composite cellulosic membrane |
| CN106350883A (en) * | 2016-08-08 | 2017-01-25 | 青岛大学 | Preparation method of graphene oxide/polyacrylonitrile composite fiber |
-
2017
- 2017-04-20 CN CN201710262596.6A patent/CN108721705A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018361A1 (en) * | 2003-09-05 | 2007-01-25 | Xiaoming Xu | Nanofibers, and apparatus and methods for fabricating nanofibers by reactive electrospinning |
| US20160040320A1 (en) * | 2014-08-07 | 2016-02-11 | Research & Business Foundation Sungkyunkwan University | Method of manufacturing porous three-dimensional micro/nanofibrous scaffold using electrohydrodynamic process and porous three-dimensional micro/nanofibrous scaffold manufactured thereby |
| CN203976987U (en) * | 2014-08-11 | 2014-12-03 | 厦门大学 | The even air feed flow passage structure of a kind of sheath layer air-flow |
| 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 |
| CN106350883A (en) * | 2016-08-08 | 2017-01-25 | 青岛大学 | Preparation method of graphene oxide/polyacrylonitrile composite fiber |
| CN106119996A (en) * | 2016-09-07 | 2016-11-16 | 厦门大学 | For preparing the many fluid jet nozzles of the coaxial electrically spun of composite cellulosic membrane |
Non-Patent Citations (1)
| Title |
|---|
| ZHAO YANG等: "Electrospinning jet behaviors under the constraints of a sheath gas", 《AIP ADVANCES》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155197A (en) * | 2020-01-10 | 2020-05-15 | 华南理工大学 | Magnetic fiber material and preparation method and application thereof |
| CN111155197B (en) * | 2020-01-10 | 2021-01-19 | 华南理工大学 | Magnetic fiber material and preparation method and application thereof |
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