CN106283218A - For the spiral form receptor of electrostatic spinning and the method for preparing nanofiber - Google Patents
For the spiral form receptor of electrostatic spinning and the method for preparing nanofiber Download PDFInfo
- Publication number
- CN106283218A CN106283218A CN201610920980.6A CN201610920980A CN106283218A CN 106283218 A CN106283218 A CN 106283218A CN 201610920980 A CN201610920980 A CN 201610920980A CN 106283218 A CN106283218 A CN 106283218A
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- China
- Prior art keywords
- spiral form
- receptor
- nanofiber
- spiral
- wire
- 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.)
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Links
- 239000002121 nanofiber Substances 0.000 title claims abstract description 66
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 16
- 230000005686 electrostatic field Effects 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 11
- 238000011160 research Methods 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002070 nanowire Substances 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000243 solution 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
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007921 spray Substances 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
- D01D7/00—Collecting the newly-spun products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention relates to electrostatic spinning receptor, belong to electrostatic spinning field.A kind of spiral form receptor for electrostatic spinning, it is characterised in that: described spiral form receptor includes that insulating base and helical wire, described helical wire are arranged on insulating base, and the top apex of helical wire is prominent outside.The top apex of described helical wire is relative with wire device, so that the electrostatic field between wire device and spiral form receptor splits into helical form hierarchy in the one end near spiral form receptor.The nanofiber that electrostatic spinning is formed is deposited in the helical wire of spiral form receptor by unit electrostatic field, and then twisting forms nanofiber aggregate.The nanofiber aggregate cross section nanofiber spiral storied placement formed, nanofiber is tightly coupled to each other, and the nanofiber aggregate structure more dense regular of formation, performance is more stable.
Description
Technical field
The present invention relates to the receptor for electrostatic spinning, particularly for electrostatic spinning spiral form receptor and
The method preparing nanofiber.
Background technology
Electrostatic spinning is as a kind of nanofiber manufacturing technology, and mainly by under high voltage electric field, drop becomes taper, shape
Become taylor cone, then extend under the effect of electrostatic force, form nano level superfine fiber.Based on grinding for electrostatic spinning at present
Study carefully, it is believed that the essence of electrostatic spinning is quickly to produce injection stream, and the most a series of researchs for electrostatic spinning are main
Concentrate on the character of the jet ejected from taylor cone, be embodied in research solution or melt being sprayed to syringe needle, as
Variously-shaped or the injection syringe needle of pattern, also or the spraying canister of needleless or injection apparatus etc., is desirably to obtain difform
Taylor cone.Or research industrialized for electrostatic spinning technique, such as the collection side of the nano level superfine fiber for producing
Method etc..In United States Patent (USP) US6106913A, flow deposition method is utilized to be directed on long filament by superfine fibre, through traction winding shape
Become high-tenacity nanofiber covering yarn；Or dynamic rotary tubaeform used in Chinese patent CN201410280734.X
Catcher, is directed to superfine fibre on long filament and carries out the collection method twisted.
In these produce the production method of nanometer superfine fibre and the research of Collection utilization method based on electrostatic spinning, front
What person mainly studied is utilizes different injector heads or nozzle to produce difform taylor cone, being all collecting board or connect of employing
Receive plate the fiber produced is collected；Although catcher receptor in other words is improved by the latter, but catcher is just
Not as the ingredient of high voltage electric field, but it is only used as collection device and the superfine fibre produced in high voltage electric field is carried out
Collect.
And in the latter, use the most board-like or tubaeform reception device that nanofiber is collected more, use this
Planting collection mode makes the unordered accumulation of all nanofibers be one layer, is bonded to each other tight, only tightens winding by axial tension, knot
Structure intensity is little, and nanofiber axial tension utilization rate is the highest.
Summary of the invention
The present invention proposes a kind of spiral form receptor for electrostatic spinning and the method preparing nanofiber, passes through
Forming high voltage electric field between spiral form receptor and wire device, high-voltage electrostatic field is in the one end near spiral form receptor
Division forms spiral hierarchy, and the nanofiber that induction electrostatic spinning is formed is at each layer electrical deposition, thus prepares spiral shell
The nanofiber aggregate of rotation shape hierarchy.
Technical scheme
A kind of spiral form receptor for electrostatic spinning, it is characterised in that: described spiral form receptor includes absolutely
Edge base plate and helical wire, be arranged on insulating base bottom described helical wire, and the top apex of helical wire is dashed forward
Go out outside.
Further, the top apex of described helical wire is relative with wire device, so that wire device and spiral form
Electrostatic field between receptor splits into helical form hierarchy in the one end near spiral form receptor.
Further, the insulating base of described spiral form receptor is provided centrally with through hole.
Further, the another side of described spiral form receptor insulating base is provided with transmission interface, described transmission interface
For tubular, it is used for connecting rotary electric machine output shaft, is provided with fixed screw for fixing connection in transmission interface sides, connects in transmission
The transmission interface through hole that the through hole with insulating base center is connected is had bottom Kou.
Further, the entirety of described spiral form receptor is in cone or gengon, and helix is from top apex
To bottom it is the circle that is progressively incremented by of radius or regular polygon that circumcircle radius is progressively incremented by.
A kind of method using spiral form receptor as above to prepare nanofiber, it is characterised in that: described spiral shell
Rotation metal wire is tapered, and the top cone tip portion of the helical wire of taper is relative with wire device, at wire device and spiral
Forming high-voltage electrostatic field between wire type receptor, high-voltage electrostatic field splits into helically in the one end near spiral form receptor
The electrostatic field of shape hierarchy, under the effect of high-voltage electrostatic field, charged drop forms taylor cone and produces whip and move effect, is formed
Nanofiber, and then the nanofiber being divided into spiral hierarchal arrangement in unit electrostatic field is attached in helical wire, described
Spiral form receptor rotates along the connection central axis between wire device and spiral form receptor, and then delamination helix row
The bundles of nanofibers winding of row forms nanofiber aggregate.
Further, described wire device uses point-like wire device, is symmetricly set on spiral form including two spinning heads
Both sides, receptor front.
Further, arranging a traction long filament on the central axis of spiral form receptor, nanofiber is at electrostatic field
Nanofiber set is formed at traction filament surface winding under power, the pull strength of traction long filament and spiral form receptor active force
Body, then traction long filament is wound device drive, will receive continuously at the nanofiber aggregate that traction filament surface is formed
Collection.
Further, described wire device connects the positive pole of electrostatic generator, and described spiral form receptor connects electrostatic and sends out
The negative pole of raw device or ground connection.
Beneficial effect
The spiral form receptor that the present invention provides, coordinates wire device to form high-voltage electrostatic field, and makes high-voltage electrostatic field
The electrostatic field of spiral hierarchy is formed, at charged drop from taylor cone to sports in the electric field at taylor cone-jet area
The nanofiber become respectively receives spiral stratified sedimentation on pin at spiral form receptor；Coordinate the Nanowire that twisting is formed after collecting
The cross section of dimension aggregation can form the nanofiber aggregate of spiral layers distributed architecture so that nanofiber aggregate is arranged with
Sequence, the internal nanofiber close-packed arrays each other of per share nanofiber, combine after rotating twisting, the nanofiber set of formation
Body compact structure is orderly, stable performance.
Accompanying drawing explanation
Fig. 1 is that the wire device of the present invention forms the some electrostatic field to line spiral layer distributed with spiral form receptor
Schematic diagram；
Fig. 2 is the schematic diagram using traction long filament to prepare nanofiber aggregate continuously in the present invention；
Fig. 3 is spiral form receptor schematic diagram；
Wherein: 1-coiler device, 2-wire device, 3-electrostatic spinning region, the 4-spray webbing headstock, 5-spiral form receives
Device, 6-rotary electric machine, 7-draws long filament, 8-guide frame, 9-helical wire, 10-fixed screw, 11-transmission interface, 12-through hole,
13-insulating base.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is expanded on further.
Electrostatic spinning technique is based on taylor cone electrohydraulic motion in electrostatic field, and stretching forms nanofiber, formed
Nanofiber through collection formed nanofiber aggregate.Research to electrostatic spinning at present all concentrates on for solution or molten
In the research of the injection apparatus of body or the research of fiber collecting device, but for preparing the Nanowire of different structure requirement
Dimension aggregation, does not currently still have any method.
The present invention proposes using spiral form receptor as an electrode for electrostatic spinning electrostatic field, at helix
The electrostatic field of spiral hierarchy is formed between formula receptor and wire device.Thus form taylor cone process at charged drop
In, and exceeding critical charge density after taylor cone is formed, taylor cone becomes unstable, forms jet injection, and jet exists
Accelerating in electric field, diameter diminishes, and during lax this range of motion forming superfine fibre, affects charged drop, forms spiral shell
Rotation hierarchical motion and the nanofiber of stretching, and spiral form receptor is as collection device, makes nanometer superfine fibre according to electricity
The spiral hierarchy of field carries out spiral hierarchal arrangement, and then in helical wire, spiral layering receives, and forms spiral layering
The nanofiber aggregate of structure, per share internal nanofiber close-packed arrays each other, combine after rotating twisting, receiving of formation
Rice fiber assembly compact structure is orderly, stable performance.
Being distributed to realize the electrostatic field of spiral hierarchy, the present embodiment provides a kind of spiral form receptor such as Fig. 3
Shown in, this spiral form receptor includes that insulating base and helical wire 9, described spiral form receptor entirety may be configured as
It is the most that taper or gengon, circle that helix is progressively incremented by radius from tip to bottom or circumcircle radius are progressively incremented by
Limit shape.And helical wire changeable type is connected to insulating base, selection is needed to have suitable pitch and spiral according to production
The helical wire 9 of the number of turns.
Installing spiral form receptor for convenience, in spiral form receptor, insulating base opposite side is provided with transmission
Interface 11, transmission interface 11 is tubular, and transmission interface sidewall has through hole 12, realizes spiral shell by the fixed screw 10 on through hole 12
The connection of spin line formula receptor 5.
Bottom transmission interface, it is provided centrally with through hole 12 with insulating base, is used for making traction long filament 7 through transmission interface
11, then pass through the through hole at insulating base center, be used for preparing nanofiber aggregate.
Anticipate as shown in Figure 1, when wire device uses the wire device 2 of point-like, and receptor uses spiral form receptor
When carrying out electrospun nanofibers, it is arranged on insulating base bottom the helical wire of taper, the spiral gold of taper
The top cone tip portion belonging to line is relative with wire device, so that the electrostatic field between wire device and spiral form receptor is leaning on
One end of nearly spiral form receptor splits into the electrostatic field of hierarchy in the shape of a spiral.Under the effect of high-voltage electrostatic field, band
Electricity droplet formation taylor cone also produces whip and moves effect, and then forms nanofiber the electrostatic field at helical form hierarchy
Under carry out spiral hierarchal arrangement, the nanofiber spiral stratified sedimentation of formation is at the spiral form receptor relative with wire device
Helical wire on, described spiral form receptor is along the connection central axis between wire device and spiral form receptor
Rotate, and then multiply bundles of nanofibers winding forms nanofiber.The cross section Nanowire of nanofiber aggregate formed
Dimension is spiral hierarchy so that nanofiber is the most orderly, and each layer nanofiber is mutually twisted and combined closely, formation
The nanofiber more dense regular of structure each other, performance is more stable.
As shown in Figure 2, it is also possible to arrange on the central axis of spiral form receptor 5 one traction long filament 7, with
Central axis is that the spiral form receptor that rotary shaft rotates coordinates reception nanofiber, and nanofiber one end is deposited on spiral gold
Belonging on line, the other end is deposited on traction long filament 7, forms the nanofiber wire cone of spiral hierarchy.Nanofiber screw tap
Nanofiber in body is drawing long filament under electrostatic field force, the pull strength of traction long filament 7 and spiral form receptor 5 active force
7 surfaces form nanofiber, and traction long filament 7 one end connects coiler device 1, it is achieved prepare nanofiber continuously.
The respective embodiments described above are to realize the specific embodiment of the present invention, it will be understood by those skilled in the art that
And in actual 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 (9)
1. the spiral form receptor for electrostatic spinning, it is characterised in that: described spiral form receptor includes insulation
Base plate and helical wire, be arranged on insulating base bottom described helical wire, and the top apex of helical wire highlights
Outside.
2. the spiral form receptor for electrostatic spinning as claimed in claim 1, it is characterised in that: described helical wire
Top apex relative with wire device, so that the electrostatic field between wire device and spiral form receptor is near helix
One end of formula receptor splits into helical form hierarchy.
3. the spiral form receptor for electrostatic spinning as claimed in claim 1, it is characterised in that: described spiral form connects
The insulating base receiving device is provided centrally with through hole.
4. the spiral form receptor for electrostatic spinning as claimed in claim 3, it is characterised in that: described spiral form connects
The another side receiving device insulating base is provided with transmission interface, and described transmission interface is tubular, is used for connecting rotary electric machine output shaft,
It is provided with fixed screw for fixing connection in transmission interface sides, has bottom transmission interface and the through hole at insulating base center
The transmission interface through hole being connected.
5. the spiral form receptor for electrostatic spinning as claimed in claim 1 or 2, it is characterised in that: described helix
The entirety of formula receptor is in cone or gengon, and helix is the circle that radius is progressively incremented by from top apex to bottom
Or the regular polygon that circumcircle radius is progressively incremented by.
6. one kind uses the method that nanofiber prepared by spiral form receptor as claimed in claim 1, it is characterised in that: institute
Stating that helical wire is tapered or regular polygon, the top apex of helical wire is relative with wire device, at wire device and
Form high-voltage electrostatic field between spiral form receptor, high-voltage electrostatic field split near one end of spiral form receptor in
The electrostatic field of helical form hierarchy, under the effect of high-voltage electrostatic field, charged drop forms taylor cone and produces whip and move effect,
Form nanofiber, and then the nanofiber being divided into spiral hierarchal arrangement in unit electrostatic field be attached in helical wire,
Described spiral form receptor rotates along the connection central axis between wire device and spiral form receptor, and then layering spiral shell
The bundles of nanofibers winding of rotation arrangement forms nanofiber aggregate.
7. the method using spiral form receptor to prepare nanofiber as claimed in claim 6, it is characterised in that go out described in:
Silk device uses point-like wire device, is symmetricly set on both sides, spiral form receptor front including two spinning heads.
8. the method using spiral form receptor to prepare nanofiber as claimed in claim 6, it is characterised in that: at spiral
Arrange on the central axis of wire type receptor one traction long filament, nanofiber electrostatic field force, traction long filament pull strength and
Forming nanofiber aggregate at traction filament surface winding under spiral form receptor active force, then traction long filament is wound
Device drives, and is collected continuously by the nanofiber aggregate formed at traction filament surface.
9. the method using spiral form receptor to prepare nanofiber as claimed in claim 6, it is characterised in that go out described in:
Silk device connects the positive pole of electrostatic generator, and described spiral form receptor connects negative pole or the ground connection of electrostatic generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920980.6A CN106283218B (en) | 2016-10-21 | 2016-10-21 | Spiral form receiver and the method for preparing nanofiber for electrostatic spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920980.6A CN106283218B (en) | 2016-10-21 | 2016-10-21 | Spiral form receiver and the method for preparing nanofiber for electrostatic spinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106283218A true CN106283218A (en) | 2017-01-04 |
| CN106283218B CN106283218B (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610920980.6A Expired - Fee Related CN106283218B (en) | 2016-10-21 | 2016-10-21 | Spiral form receiver and the method for preparing nanofiber for electrostatic spinning |
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| Country | Link |
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| CN (1) | CN106283218B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205685A (en) * | 2019-05-23 | 2019-09-06 | 东华大学 | Spinning self-regulation electrostatic spinning apparatus and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008542571A (en) * | 2005-06-07 | 2008-11-27 | エルマルコ、エス．アール．オー | Method and apparatus for producing nanofibers from polymer solution by electrospinning |
| CN103255485A (en) * | 2013-05-20 | 2013-08-21 | 江苏菲特滤料有限公司 | Tip-end type needle-free electrostatic spinning equipment |
| CN203256378U (en) * | 2013-04-07 | 2013-10-30 | 高小歌 | Electrostatic spinning device |
| CN203451652U (en) * | 2013-07-16 | 2014-02-26 | 东华大学 | Three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning |
| CN104831370A (en) * | 2015-05-22 | 2015-08-12 | 厦门大学 | Spiral airflow auxiliary electrostatic spinning device |
| JP2016503838A (en) * | 2012-12-17 | 2016-02-08 | テクニカ ユニヴェルズィタ ヴェー リベルシー | Method for producing polymer nanofiber by spinning polymer solvent or melt in electric field, and polymer nanofiber linear body formed by this method |
| CN206127491U (en) * | 2016-10-21 | 2017-04-26 | 上海工程技术大学 | A helix formula receiver for electrostatic spinning |
-
2016
- 2016-10-21 CN CN201610920980.6A patent/CN106283218B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008542571A (en) * | 2005-06-07 | 2008-11-27 | エルマルコ、エス．アール．オー | Method and apparatus for producing nanofibers from polymer solution by electrospinning |
| JP2016503838A (en) * | 2012-12-17 | 2016-02-08 | テクニカ ユニヴェルズィタ ヴェー リベルシー | Method for producing polymer nanofiber by spinning polymer solvent or melt in electric field, and polymer nanofiber linear body formed by this method |
| CN203256378U (en) * | 2013-04-07 | 2013-10-30 | 高小歌 | Electrostatic spinning device |
| CN103255485A (en) * | 2013-05-20 | 2013-08-21 | 江苏菲特滤料有限公司 | Tip-end type needle-free electrostatic spinning equipment |
| CN203451652U (en) * | 2013-07-16 | 2014-02-26 | 东华大学 | Three-dimensional type multi-spinning-nozzle spinneret plate for electrostatic spinning |
| CN104831370A (en) * | 2015-05-22 | 2015-08-12 | 厦门大学 | Spiral airflow auxiliary electrostatic spinning device |
| CN206127491U (en) * | 2016-10-21 | 2017-04-26 | 上海工程技术大学 | A helix formula receiver for electrostatic spinning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205685A (en) * | 2019-05-23 | 2019-09-06 | 东华大学 | Spinning self-regulation electrostatic spinning apparatus and its application method |
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| CN106283218B (en) | 2018-05-15 |
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