CN106435773B - A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber - Google Patents
A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber Download PDFInfo
- Publication number
- CN106435773B CN106435773B CN201610920631.4A CN201610920631A CN106435773B CN 106435773 B CN106435773 B CN 106435773B CN 201610920631 A CN201610920631 A CN 201610920631A CN 106435773 B CN106435773 B CN 106435773B
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- Prior art keywords
- eddy current
- nanofiber
- current type
- type receiver
- receiver
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- Expired - Fee Related
Links
- 239000002121 nanofiber Substances 0.000 title claims abstract description 85
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 15
- 230000005686 electrostatic field Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 12
- 238000011160 research Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000003491 array Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 208000012886 Vertigo Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002070 nanowire Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention relates to electrostatic spinning receivers, belong to electrostatic spinning field.A kind of eddy current type receiver for electrostatic spinning, it is provided with airflow hole on the collection surface of the eddy current type receiver, for balancing the air pressure of collection surface both sides, it can continue to form the rotating vortex formula acted on nanofiber during eddy current type receiver Rotation of receiver, nanofiber is made to be rotated according to certain orientation under the effect of rotating vortex formula.Nanofiber rotates under the action of swirling eddy according to certain orientation, prevents nanofiber from disperseing because there is electrostatic repulsion each other and disordering.The nanofiber of rotation becomes ordering, and then is orderly deposited on eddy current type receiver, while twisting forms nanofiber aggregate.It is formed by the nanofiber ordered arrangement in nanofiber aggregate cross section, winding direction is consistent so that nanofiber aggregate is more orderly, the nanofiber aggregate structure more dense regular of formation, and performance is more stable.
Description
Technical field
The present invention relates to for electrostatic spinning receiver more particularly to a kind of eddy current type receiver for electrostatic spinning
And the method for preparing nanofiber.
Background technology
Electrostatic spinning mainly utilizes under high voltage electric field as a kind of nanofiber manufacturing technology, and drop becomes tapered, shape
At taylor cone, then extend under the action of electrostatic force, forms nano level superfine fiber.Based on grinding for electrostatic spinning at present
Study carefully, it is believed that the essence of electrostatic spinning is quick generation injection stream, therefore a series of researchs for electrostatic spinning now are all main
The property for concentrating on the jet stream ejected from taylor cone is embodied in the research of the injection syringe needle for solution or melt, such as
Variously-shaped or pattern injection syringe needle also or the spraying canister of needle-less or injection apparatus etc. is desirably to obtain of different shapes
Taylor cone.Either for the industrialized research of electrostatic spinning technique, the collection side such as the nano level superfine fiber of generation
Method etc..In United States Patent (USP) US6106913A, superfine fibre is directed on long filament using flow deposition method, shape is wound through traction
At high-tenacity nanofiber covering yarn；Or the dynamic rotary used in Chinese patent CN201410280734.X is tubaeform
Superfine fibre is directed to the collection method on long filament and twisted by collector.
It is preceding in these generate the production method of nanometer superfine fibre and the research of Collection utilization method based on electrostatic spinning
What person mainly studied is to generate taylor cone of different shapes using different injector heads or nozzle, and use is collecting board or connects
Plate is received to be collected the fiber of generation；Although the latter is to collector, receiver is improved in other words, and collector is just
Not as the component part of high voltage electric field, but only the superfine fibre generated in high voltage electric field is carried out as collection device
It collects.
And in the latter, mostly uses simple board-like or tubaeform reception device and nanofiber is collected, using this
Kind collection mode makes the unordered accumulation of all nanofibers be one layer, is bonded to each other not close, only tightens winding by axial tension, tie
Structure intensity is small, and nanofiber axial tension utilization rate is not high.
Invention content
A kind of method that the present invention proposes the eddy current type receiver for electrostatic spinning and prepares nanofiber, passes through whirlpool
Rotating vortex formula is formed between streamed reception device and wire device, keeps nanofiber under the effect of rotating vortex formula according to certain
Direction rotates, and prevents nanofiber from disperseing because there is electrostatic repulsion each other and disordering, to prepare nanofibers
The nanofiber aggregate of ordered arrangement.
Technical solution
A kind of eddy current type receiver for electrostatic spinning, it is characterised in that：The eddy current type receiver includes collection surface,
It is provided with airflow hole on the collection surface, for balancing the air pressure of collection surface both sides, during receiver Rotation of receiver, can received
Electrostatic spinning region between device and wire device forms the sustainable rotating vortex formula acted on nanofiber, Nanowire
Dimension is rotated according to certain orientation under the effect of rotating vortex formula until depositing on the receiver.
Further, the collection surface is in planar or concave shape or convex-shaped.
Further, the collection surface is round or regular polygon.
Further, the airflow hole is symmetrically distributed on collection surface.
Further, the collection surface center is provided with through-hole.
Further, the collection surface another side opposite with wire device is provided with transmission interface, and the transmission interface is
Tubular is equipped with fixed screw for being fixedly connected, in transmission interface for connecting rotary electric machine output shaft in transmission interface sides
Bottom is provided with the transmission interface through-hole being connected with the through-hole of collection surface.
A method of nanofiber is prepared using eddy current type receiver as described above, it is characterised in that：The vortex
Formula receiver is opposite with wire device, and connection center of the eddy current type receiver between wire device and eddy current type receiver
Axis rotates, and high-voltage electrostatic field and rotating vortex formula is formed between wire device and eddy current type receiver, in high-voltage electrostatic field
Under the action of, charged drop, which forms taylor cone and generates whip, moves effect, and then forms nanofiber, and nanofiber is in rotating vortex
Formula effect under rotated according to certain angle, become ordering, the nanofibres deposit being then orderly distributed with wire device phase
To eddy current type receiver on, in eddy current type receiver rotary course, form the consistent ordered structure of nanofiber orientation
Nanofiber aggregate.
Further, on the central axis of eddy current type receiver be arranged one traction long filament, nanofiber electrostatic field force,
It winds to form nanofiber aggregate in traction filament surface under the tractive force and eddy current type receiver active force of traction long filament, so
Rear haulage long filament is wound device drive, and the nanofiber aggregate formed in traction filament surface is continuously collected.
Further, the wire device uses dotted wire device, including two spinning heads to be symmetricly set on eddy current type and connect
Receive both sides in front of device.
Further, the wire device and eddy current type receiver are arranged in the enclosed space, it is ensured that are formed by rotary pneumatic
Stream keeps stablizing.
Advantageous effect
Airflow hole is provided on eddy current type receiver provided by the invention for keeping receiver both sides air pressure balance, in wire vent
High-voltage electrostatic field and rotating vortex formula are formed between device and eddy current type receiver, under the action of high-voltage electrostatic field, with electro-hydraulic
Drop, which forms taylor cone and generates whip, moves effect, and then forms nanofiber, and nanofiber is under the effect of rotating vortex formula according to one
Determine angle rotation, prevents the electrostatic repulsion between nanofiber from causing nanofiber disorderly arranged.It orderly arranges in the same direction as
The nanofibres deposit of row is on the eddy current type receiver opposite with wire device, in eddy current type receiver rotary course, is formed
The nanofiber aggregate of the consistent ordered structure of nanofiber orientation.Due to nanofiber aligned orderly, nanofiber
Close-packed arrays each other, the nanofiber aggregate compact structure formed after rotation is twisted is orderly, and performance is stablized.
Description of the drawings
Fig. 1 is that the wire device of the present invention forms the schematic diagram of spiral layer distributed electrostatic field with eddy current type receiver；
Fig. 2 is the schematic diagram for continuously preparing nanofiber aggregate in the present invention using traction long filament；
Fig. 3 is eddy current type receiver schematic diagram；
Wherein：1- winding devices, 2- wire devices, 3- electrostatic spinnings region, 4- spinning head framves, 5- eddy current type receivers,
6- rotary electric machines, 7- draw long filament, 8- guide frames, 9- collection surfaces, 10- fixed screws, 11- transmission interfaces, 12- through-holes, 13- air-flows
Hole.
Specific implementation mode
With reference to specific embodiments and the drawings, the present invention is further explained.
Electrostatic spinning technique is the electrohydraulic motion in electrostatic field based on taylor cone, and stretching forms nanofiber, is formed
Nanofiber form nanofiber aggregate by collection.The research of electrostatic spinning is concentrated on for solution or melted at present
In the research of the injection apparatus of the body either research of fiber collecting device, but for preparing the nanofiber collection of ordered structure
Zoarium, currently still without what method.
The present invention is proposed to be received using eddy current type receiver as an electrode for electrostatic spinning electrostatic field, eddy current type
It is provided with airflow hole on device for keeping receiver both sides air pressure balance, eddy current type receiver is kept to be connect along wire device and eddy current type
The connection central axis rotation between device is received, forms high-voltage electrostatic field and rotation whirlpool between wire device and eddy current type receiver
Streaming, under the action of high-voltage electrostatic field, charged drop, which forms taylor cone and generates whip, moves effect, and then forms nanofiber,
Nanofiber rotates under the effect of rotating vortex formula according to certain angle, prevents the electrostatic repulsion between nanofiber from leading to nanometer
Fiber is disorderly arranged.The nanofibres deposit of ordered arrangement is in the eddy current type receiver opposite with wire device in the same direction as
On, in eddy current type receiver rotary course, form the nanofiber aggregate of the consistent ordered structure of nanofiber orientation.
Due to nanofiber aligned orderly, nanofiber close-packed arrays each other, the nanofiber aggregate formed after rotation is twisted
Compact structure is orderly, and performance is stablized.
In order to realize the electrostatic field distribution of layered structure, the present embodiment provides a series of eddy current type receivers, the eddy current types
Receiver includes round or regular polygon collection surface, and collection surface is in planar or concave shape or convex-shaped.It is set on collection surface
It is equipped with airflow hole, the through-hole is symmetrically distributed on collection surface, is used to form stable rotating vortex formula.
Eddy current type receiver in order to facilitate the installation of, the collection surface other side staggered relatively in 9 side of collection surface and wire device
It is provided with transmission interface 11, transmission interface 11 is tubular, and transmission interface side wall is provided with through-hole 12, passes through the fixation spiral shell on through-hole 12
Silk 10 realizes the connection of eddy current type receiver 5.Transmission interface bottom and collection surface are provided centrally with through-hole 12, for making traction grow
Silk 7 passes through transmission interface 11, then passes through the through-hole at collection surface center, is used to prepare nanofiber aggregate.
Such as attached drawing 1 and illustrated in Figure 3, when wire device uses dotted wire device 2, eddy current type receiver is using having
When tubaeform collection surface or plate shaped collection surface carry out electrospun nanofibers aggregate, using eddy current type receiver as
For an electrode of electrostatic spinning electrostatic field, airflow hole is provided on eddy current type receiver for keeping eddy current type receiver both sides
Air pressure balance keeps connection central axis rotation of the eddy current type receiver between wire device and eddy current type receiver, is going out
High-voltage electrostatic field and rotating vortex formula are formed between silk device and eddy current type receiver, under the action of high-voltage electrostatic field, electrification
Droplet formation taylor cone simultaneously generate whip move effect, and then formed nanofiber, nanofiber rotating vortex formula effect under according to
Certain angle rotates, and prevents the electrostatic repulsion between nanofiber from causing nanofiber disorderly arranged.In the same direction as orderly
The nanofibres deposit of arrangement is on the eddy current type receiver opposite with wire device, in eddy current type receiver rotary course, shape
At the nanofiber aggregate of the consistent ordered structure of nanofiber orientation.Due to nanofiber aligned orderly, Nanowire
Close-packed arrays each other are tieed up, the nanofiber aggregate compact structure formed after rotation is twisted is orderly, and performance is stablized.
As shown in Fig. 2, a traction long filament 7 can also be set on the central axis of eddy current type receiver 5, and in
Mandrel line is that the eddy current type receiver cooperation of rotary shaft rotation receives nanofiber, and nanofiber one end is deposited on collection surface,
The other end is deposited on traction long filament 7, forms the nanofiber screw tap of multilayered structure.Nanofiber in nanofiber screw tap exists
Electrostatic field force draws and forms nanofiber on traction long filament 7 surface under 5 active force of tractive force and eddy current type receiver of long filament 7
Aggregate, 7 one end of traction long filament connect winding device 1, and realization continuously prepares nanofiber aggregate.
Single hole or MULTILAYER COMPOSITE hole may be used in the wire hole that goes out of wire device, molds Single Fiber or composite fibre,
The cross section in MULTILAYER COMPOSITE hole can be the shape of concentric shape or bias, to form taylor cone time control in charged drop
The layer structure of the shape of nanofiber processed and every fiber.
The respective embodiments described above are realization specific embodiments of the present invention, it will be understood by those skilled in the art that
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of eddy current type receiver for electrostatic spinning, it is characterised in that：The eddy current type receiver includes collection surface, institute
It states and is provided with airflow hole on collection surface, it, can be in receiver during receiver Rotation of receiver for balancing the air pressure of collection surface both sides
Electrostatic spinning region between wire device forms the sustainable rotating vortex acted on nanofiber, and nanofiber exists
It is rotated according to certain orientation under rotating vortex effect until depositing on the receiver.
2. being used for the eddy current type receiver of electrostatic spinning as described in claim 1, it is characterised in that：The collection surface is in plane
Shape or concave shape or convex-shaped.
3. being used for the eddy current type receiver of electrostatic spinning as claimed in claim 2, it is characterised in that：The collection surface is circle
Or regular polygon.
4. being used for the eddy current type receiver of electrostatic spinning as claimed in claim 3, it is characterised in that：The airflow hole symmetrically divides
Cloth is on collection surface.
5. being used for the eddy current type receiver of electrostatic spinning as claimed in claim 4, it is characterised in that：It opens at the collection surface center
There is through-hole.
6. being used for the eddy current type receiver of electrostatic spinning as claimed in claim 5, it is characterised in that：The collection surface and wire vent
The opposite another side of device is provided with transmission interface, and the transmission interface is that tubular is being passed for connecting rotary electric machine output shaft
Mobile interface side is equipped with fixed screw for being fixedly connected, and the transmission being connected with the through-hole of collection surface is provided in transmission interface bottom
Interface through-hole.
7. a kind of method preparing nanofiber using eddy current type receiver as described in claim 1, it is characterised in that：It is described
Eddy current type receiver is opposite with wire device, and connection of the eddy current type receiver between wire device and eddy current type receiver
Central axis rotates, and high-voltage electrostatic field and rotating vortex is formed between wire device and eddy current type receiver, in high-pressure electrostatic
Under the action of, charged drop, which forms taylor cone and generates whip, moves effect, and then forms nanofiber, and nanofiber is in rotation whirlpool
Stream effect under rotated according to certain angle, become ordering, the nanofibres deposit being then orderly distributed with wire device phase
To eddy current type receiver on, in eddy current type receiver rotary course, form the consistent ordered structure of nanofiber orientation
Nanofiber aggregate.
8. the method for preparing nanofiber using eddy current type receiver as claimed in claim 7, it is characterised in that：In eddy current type
A piece traction long filament is set on the central axis of receiver, and nanofiber is in electrostatic field force, the tractive force and vortex of traction long filament
It winds to form nanofiber aggregate in traction filament surface under formula receiver active force, then draws long filament and be wound device band
It is dynamic, the nanofiber aggregate formed in traction filament surface is continuously collected.
9. the method for preparing nanofiber using eddy current type receiver as claimed in claim 7, it is characterised in that：The wire vent
Device uses dotted wire device, including two spinning heads to be symmetricly set on both sides in front of eddy current type receiver.
10. the method for preparing nanofiber using eddy current type receiver as claimed in claim 7, it is characterised in that：It is described go out
Silk device and the setting of eddy current type receiver are in the enclosed space, it is ensured that are formed by swirling eddy and keep stablizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920631.4A CN106435773B (en) | 2016-10-21 | 2016-10-21 | A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920631.4A CN106435773B (en) | 2016-10-21 | 2016-10-21 | A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber |
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| Publication Number | Publication Date |
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| CN106435773A CN106435773A (en) | 2017-02-22 |
| CN106435773B true CN106435773B (en) | 2018-08-24 |
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| CN201610920631.4A Expired - Fee Related CN106435773B (en) | 2016-10-21 | 2016-10-21 | A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610021B (en) * | 2019-01-22 | 2021-06-25 | 嘉兴学院 | Preparation method and device of nanofiber yarn |
| CN110205685A (en) * | 2019-05-23 | 2019-09-06 | 东华大学 | Spinning self-regulation electrostatic spinning apparatus and its application method |
| CN110512355A (en) * | 2019-09-09 | 2019-11-29 | 南通纺织丝绸产业技术研究院 | The method for preparing three-dimensional structure fiber |
| CN113149655B (en) * | 2021-04-01 | 2021-09-21 | 哈尔滨工业大学 | Method for preparing three-dimensional nanofiber ceramic aerogel through eddy current field assisted-electrostatic spinning |
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| CN101215762A (en) * | 2008-01-03 | 2008-07-09 | 东华大学 | Device and method for preparing highly effective continuous electrostatic spinning nano fibre felt |
| CN103132194A (en) * | 2011-11-30 | 2013-06-05 | 杨恩龙 | Orientation electro-spinning nanometer fiber spinning method and device thereof |
| CN103409861A (en) * | 2013-08-16 | 2013-11-27 | 北京化工大学 | High-speed preparation device and process of centrifugal electrostatic spinning nanometer twisted yarns |
| CN104831426A (en) * | 2015-05-05 | 2015-08-12 | 东华大学 | Twin-stage shearing type drafting electrostatic spinning direct-spinning micrometer yarn device, method and application |
| CN105442064A (en) * | 2015-11-13 | 2016-03-30 | 广东工业大学 | Bubble electrostatic spinning device for preparing three-dimensional fiber support |
| CN206127490U (en) * | 2016-10-21 | 2017-04-26 | 上海工程技术大学 | A eddy current type receiver for electrostatic spinning |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040166311A1 (en) * | 2003-02-25 | 2004-08-26 | Clemson University | Electrostatic spinning of aromatic polyamic acid |
| US9994975B2 (en) * | 2014-06-27 | 2018-06-12 | Deepthy Menon | Electrospinning apparatus and method for producing multi-dimensional structures and core-sheath yarns |
-
2016
- 2016-10-21 CN CN201610920631.4A patent/CN106435773B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215762A (en) * | 2008-01-03 | 2008-07-09 | 东华大学 | Device and method for preparing highly effective continuous electrostatic spinning nano fibre felt |
| CN103132194A (en) * | 2011-11-30 | 2013-06-05 | 杨恩龙 | Orientation electro-spinning nanometer fiber spinning method and device thereof |
| CN103409861A (en) * | 2013-08-16 | 2013-11-27 | 北京化工大学 | High-speed preparation device and process of centrifugal electrostatic spinning nanometer twisted yarns |
| CN104831426A (en) * | 2015-05-05 | 2015-08-12 | 东华大学 | Twin-stage shearing type drafting electrostatic spinning direct-spinning micrometer yarn device, method and application |
| CN105442064A (en) * | 2015-11-13 | 2016-03-30 | 广东工业大学 | Bubble electrostatic spinning device for preparing three-dimensional fiber support |
| CN206127490U (en) * | 2016-10-21 | 2017-04-26 | 上海工程技术大学 | A eddy current type receiver for electrostatic spinning |
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| CN106435773A (en) | 2017-02-22 |
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