CN106283218B - Spiral form receiver and the method for preparing nanofiber for electrostatic spinning - Google Patents

Spiral form receiver and the method for preparing nanofiber for electrostatic spinning Download PDF

Info

Publication number
CN106283218B
CN106283218B CN201610920980.6A CN201610920980A CN106283218B CN 106283218 B CN106283218 B CN 106283218B CN 201610920980 A CN201610920980 A CN 201610920980A CN 106283218 B CN106283218 B CN 106283218B
Authority
CN
China
Prior art keywords
spiral form
receiver
nanofiber
spiral
form receiver
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.)
Active
Application number
CN201610920980.6A
Other languages
Chinese (zh)
Other versions
CN106283218A (en
Inventor
辛斌杰
靳世鑫
刘岩
陈卓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai University of Engineering Science
Original Assignee
Shanghai University of Engineering Science
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai University of Engineering Science filed Critical Shanghai University of Engineering Science
Priority to CN201610920980.6A priority Critical patent/CN106283218B/en
Publication of CN106283218A publication Critical patent/CN106283218A/en
Application granted granted Critical
Publication of CN106283218B publication Critical patent/CN106283218B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0061Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00Collecting the newly-spun products

Abstract

The present invention relates to electrostatic spinning receiver, belongs to electrostatic spinning field.A kind of spiral form receiver for electrostatic spinning, it is characterised in that:The spiral form receiver includes insulating base and helical wire, and the helical wire is arranged on insulating base, and the top apex of helical wire protrudes outside.The top apex of the helical wire is opposite with wire device, so that the electrostatic field between wire device and spiral form receiver is dividing curl hierarchy close to one end of spiral form receiver.The nanofiber that electrostatic spinning is formed is deposited by unit electrostatic field in the helical wire of spiral form receiver, and then twisting forms nanofiber aggregate.The spiral storied placement of nanofiber in the nanofiber aggregate cross section formed, nanofiber are tightly coupled to each other, the nanofiber aggregate structure more dense regular of formation, and performance is more stable.

Description

Spiral form receiver and the method for preparing nanofiber for electrostatic spinning
Technical field
The present invention relates to the receiver for electrostatic spinning, more particularly, to the spiral form receiver of electrostatic spinning and The method for preparing nanofiber.
Background technology
Electrostatic spinning is as a kind of nanofiber manufacturing technology, and mainly using under high voltage electric field, drop becomes tapered, shape Into taylor cone, then extend under the action 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 quick generation injection stream, therefore a series of researchs for electrostatic spinning now are all main The property of the jet stream ejected from taylor cone is concentrated on, 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, such as generation nano level superfine fiber collection side Method etc..In United States Patent (USP) US6106913A, superfine fibre is directed on long filament using flow deposition method, shape is wound through traction Into 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 produce the production method of nanometer superfine fibre and the research of Collection utilization method based on electrostatic spinning What person mainly studied is to produce 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 The not part as high voltage electric field, but only the superfine fibre produced in high voltage electric field is carried out as collection device Collect.
And in the latter, it is more that nanofiber is collected using simple board-like or tubaeform reception device, 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.
The content of the invention
The present invention proposes a kind of spiral form receiver for electrostatic spinning and the method for preparing nanofiber, passes through High voltage electric field is formed between spiral form receiver and wire device, high-voltage electrostatic field is close to one end of spiral form receiver Division forms spiral hierarchy, and the nanofiber that induction electrostatic spinning is formed is in each layer electrical deposition, so as to prepare spiral shell Revolve the nanofiber aggregate of shape hierarchy.
Technical solution
A kind of spiral form receiver for electrostatic spinning, it is characterised in that:The spiral form receiver includes exhausted Edge bottom plate and helical wire, the helical wire bottom are arranged on insulating base, and the top apex of helical wire is dashed forward Go out outside.
Further, the top apex of the helical wire is opposite with wire device, so that wire device and spiral form Electrostatic field between receiver is dividing curl hierarchy close to one end of spiral form receiver.
Further, the insulating base of the spiral form receiver is provided centrally with through hole.
Further, the another side of the spiral form receiver insulating base is provided with transmission interface, the transmission interface For tubular, for connecting rotary electric machine output shaft, it is equipped with fixed screw in transmission interface sides and is used to be fixedly connected, connect in transmission Mouth bottom is provided with the transmission interface through hole being connected with the through hole at insulating base center.
Further, the entirety of the spiral form receiver is in cone either gengon, and helix is from top apex It is radius progressively incremental circular or circumscribed radius of circle progressively incremental regular polygon to bottom.
A kind of method that nanofiber is prepared using spiral form receiver as described above, it is characterised in that:The spiral shell Revolve that metal wire is tapered, and the top cone tip portion of the helical wire of taper is opposite with wire device, in wire device and spiral High-voltage electrostatic field is formed between wire type receiver, high-voltage electrostatic field is split into helically close to one end of spiral form receiver The electrostatic field of shape hierarchy, under the action of high-voltage electrostatic field, charged drop, which forms taylor cone and produces whip, moves effect, is formed Nanofiber, and then the nanofiber for being divided into unit electrostatic field spiral hierarchal arrangement is attached in helical wire, it is described Spiral form receiver is rotated along the connection central axis between wire device and spiral form receiver, and then delamination helix is arranged The bundles of nanofibers of row winds to form nanofiber aggregate.
Further, the wire device uses point-like wire device, including two spinning heads to be symmetricly set on spiral form Both sides in front of receiver.
Further, a traction long filament is set on the central axis of spiral form receiver, and nanofiber is in electrostatic field Power, draw long filament tractive force and spiral form receiver active force under traction filament surface wind to form nanofiber set Body, then draws long filament and is wound device drive, the nanofiber aggregate formed in traction filament surface is continuously received Collection.
Further, the cathode of the wire device connection electrostatic generator, the spiral form receiver connection electrostatic hair The anode of raw device or ground connection.
Beneficial effect
Spiral form receiver provided by the invention, coordinates wire device to form high-voltage electrostatic field, and makes high-voltage electrostatic field The electrostatic field of spiral hierarchy is formed in taylor cone-jet area, in charged drop from taylor cone to moving shape in the electric field Into nanofiber respectively receive spiral stratified sedimentation on pin in spiral form receiver;The Nanowire for coordinating twisting to be formed after collecting The cross section of dimension aggregate can form the nanofiber aggregate of spiral layers distributed architecture so that nanofiber aggregate is arranged with Sequence, nanofiber close-packed arrays each other, combine, the nanofiber set of formation after rotation is twisted inside per share nanofiber Body compact structure is orderly, and performance is stablized.
Brief description of the drawings
Fig. 1 is that the wire device of the present invention and spiral form receiver form electrostatic field of the point to the spiral layer distributed of line Schematic diagram;
Fig. 2 is the schematic diagram for continuously preparing nanofiber aggregate in the present invention using traction long filament;
Fig. 3 is spiral form receiver schematic diagram;
Wherein:1- coiler devices, 2- wire devices, 3- electrostatic spinnings region, 4- spinning head framves, 5- spiral forms receive Device, 6- rotary electric machines, 7- traction long filaments, 8- guide frames, 9- helical wires, 10- fixed screws, 11- transmission interfaces, 12- through holes, 13- insulating bases.
Embodiment
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.Research to electrostatic spinning at present is concentrated 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 Aggregate is tieed up, currently still without what method.
The present invention is proposed using spiral form receiver as an electrode for electrostatic spinning electrostatic field, in helix The electrostatic field of spiral hierarchy is formed between formula receiver and wire device.So as to form taylor cone process in charged drop In, into exceed critical charge density afterwards with taylor cone, taylor cone becomes unstable, forms jet stream injection, and jet stream exists Accelerate in electric field, diameter diminishes, and relaxation is formed during this range of motion of superfine fibre, influences charged drop, forms spiral shell Spiral layering is moved and the nanofiber of stretching, and spiral form receiver makes nanometer superfine fibre according to electricity as collection device The spiral hierarchy of field carries out spiral hierarchal arrangement, and then spiral layering receives in helical wire, forms spiral layering The nanofiber aggregate of structure, per share internal nanofiber close-packed arrays each other, combines, formation is received after rotation is twisted Rice fiber assembly compact structure is orderly, and performance is stablized.
In order to realize the electrostatic field distribution of spiral hierarchy, the present embodiment provides a kind of spiral form receiver such as Fig. 3 Shown, which includes insulating base and helical wire 9, and the spiral form receiver integrally may be configured as Taper or gengon, in radius, progressively incremental circular or circumscribed radius of circle is progressively incremental just more from tip to bottom for helix Side shape.And helical wire changeable type is connected to insulating base, need to select with suitable pitch and spiral according to production The helical wire 9 of the number of turns.
Spiral form receiver in order to facilitate the installation of, insulating base opposite side is provided with transmission in spiral form receiver Interface 11, transmission interface 11 are tubular, and transmission interface side wall is provided with through hole 12, and spiral shell is realized by the fixed screw 10 on through hole 12 The connection of spin line formula receiver 5.
Through hole 12 is provided centrally with transmission interface bottom and insulating base, for making traction long filament 7 through transmission interface 11, the through hole at insulating base center is then passed through, is used to prepare nanofiber aggregate.
Anticipate as shown in Figure 1, when wire device uses the wire device 2 of point-like, receiver uses spiral form receiver When carrying out electrospun nanofibers, the helical wire bottom of taper is arranged on insulating base, the spiral gold of taper It is opposite with wire device to belong to the top cone tip portion of line so that electrostatic field between wire device and spiral form receiver by One end of nearly spiral form receiver splits into the electrostatic field of hierarchy in the shape of a spiral.Under the action of high-voltage electrostatic field, band Electric droplet formation taylor cone simultaneously produces whip and moves effect, and then forms nanofiber and in the electrostatic field of helical form hierarchy Lower to carry out spiral hierarchal arrangement, the spiral stratified sedimentation of nanofiber of formation is in the spiral form receiver opposite with wire device Helical wire on, the spiral form receiver is along the connection central axis between wire device and spiral form receiver Rotation, and then multiply bundles of nanofibers winds to form nanofiber.The Nanowire in the nanofiber aggregate cross section formed Tie up as spiral hierarchy so that each other more in order, each layer nanofiber is mutually twisted combines closely nanofiber, formation Structure more dense regular, performance are more stable between nanofiber.
As shown in Figure 2, can also be set on the central axis of spiral form receiver 5 one traction long filament 7, with Central axis coordinates for the rotating spiral form receiver of rotation axis receives nanofiber, and nanofiber one end is deposited on spiral gold Belong 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 in electrostatic field force, draw under 5 active force of tractive force and spiral form receiver of long filament 7 in traction long filament 7 surfaces form nanofiber, 7 one end of traction long filament connection coiler device 1, and realization continuously prepares nanofiber.
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 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 (9)

  1. A kind of 1. spiral form receiver for electrostatic spinning, it is characterised in that:The spiral form receiver includes insulation Bottom plate and helical wire, the helical wire bottom are arranged on insulating base, and the top apex of helical wire protrudes Outside.
  2. 2. it is used for the spiral form receiver of electrostatic spinning as claimed in claim 1, it is characterised in that:The helical wire Top apex it is opposite with wire device so that electrostatic field between wire device and spiral form receiver is close to helix One end division curl hierarchy of formula receiver.
  3. 3. it is used for the spiral form receiver of electrostatic spinning as claimed in claim 1, it is characterised in that:The spiral form connects The insulating base for receiving device is provided centrally with through hole.
  4. 4. it is used for the spiral form receiver of electrostatic spinning as claimed in claim 3, it is characterised in that:The spiral form connects The another side for receiving device insulating base is provided with transmission interface, and the transmission interface is tubular, for connecting rotary electric machine output shaft, Fixed screw is equipped with transmission interface sides to be used to be fixedly connected, and the through hole with insulating base center is provided with transmission interface bottom Connected transmission interface through hole.
  5. 5. it is used for the spiral form receiver of electrostatic spinning as claimed in claim 1 or 2, it is characterised in that:The helix For the entirety of formula receiver in cone either gengon, helix is radius progressively incremental circle from top apex to bottom Or circumscribed radius of circle progressively incremental regular polygon.
  6. A kind of 6. method that nanofiber is prepared using spiral form receiver as claimed in claim 1, it is characterised in that:Institute State that helical wire is tapered or regular polygon, the top apex of helical wire is opposite with wire device, in wire device and High-voltage electrostatic field is formed between spiral form receiver, high-voltage electrostatic field is split into one end of close spiral form receiver is in The electrostatic field of helical form hierarchy, under the action of high-voltage electrostatic field, charged drop, which forms taylor cone and produces whip, moves effect, Nanofiber is formed, and then the nanofiber for being divided into unit electrostatic field spiral hierarchal arrangement is attached in helical wire, The spiral form receiver is rotated along the connection central axis between wire device and spiral form receiver, and then is layered spiral shell The bundles of nanofibers of rotation arrangement winds to form nanofiber aggregate.
  7. 7. the method that nanofiber is prepared using spiral form receiver as claimed in claim 6, it is characterised in that:It is described go out Silk device uses point-like wire device, including two spinning heads to be symmetricly set on both sides in front of spiral form receiver.
  8. 8. the method that nanofiber is prepared using spiral form receiver as claimed in claim 6, it is characterised in that:Spiral On the central axis of wire type receiver set one traction long filament, nanofiber electrostatic field force, draw long filament tractive force and Wind to form nanofiber aggregate in traction filament surface under spiral form receiver active force, then draw long filament and be wound Device drives, and the nanofiber aggregate formed in traction filament surface is continuously collected.
  9. 9. the method that nanofiber is prepared using spiral form receiver as claimed in claim 6, it is characterised in that:It is described go out Silk device connects the cathode of electrostatic generator, the anode of the spiral form receiver connection electrostatic generator or ground connection.
CN201610920980.6A 2016-10-21 2016-10-21 Spiral form receiver and the method for preparing nanofiber for electrostatic spinning Active CN106283218B (en)

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 CN106283218A (en) 2017-01-04
CN106283218B true CN106283218B (en) 2018-05-15

Family

ID=57719796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610920980.6A Active CN106283218B (en) 2016-10-21 2016-10-21 Spiral form receiver and the method for preparing nanofiber for electrostatic spinning

Country Status (1)

Country Link
CN (1) CN106283218B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN206127491U (en) * 2016-10-21 2017-04-26 上海工程技术大学 A helix formula receiver for electrostatic spinning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ299537B6 (en) * 2005-06-07 2008-08-27 Elmarco, S. R. O. Method of and apparatus for producing nanofibers from polymeric solution using electrostatic spinning
CZ304137B6 (en) * 2012-12-17 2013-11-13 Technická univerzita v Liberci Process for preparing polymeric nanofibers by spinning a solution of polymer melt in electric field and linear form of polymeric nanofibers prepared in such a manner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CN106283218A (en) 2017-01-04

Similar Documents

Publication Publication Date Title
CN109610021B (en) Preparation method and device of nanofiber yarn
CN106868675B (en) A kind of continuous preparation device of nanofiber covering yarn
CN103132194A (en) Orientation electro-spinning nanometer fiber spinning method and device thereof
CN201520821U (en) Device for preparing spatial ordered electrostatic spinning nanofibers
CN106367818B (en) A method of for electrostatic spinning dot matrix receiver and prepare nanofiber
CN106222763B (en) A kind of continuous electrostatic spinning apparatus and its method for preparing spiral micro nanometer fiber
CN106435773B (en) A method of it being used for the eddy current type receiver of electrostatic spinning and prepares nanofiber
CN204738069U (en) Change type static spins nanofiber yarn preparation facilities
CN108796682A (en) A kind of device and Yarn spinning method of continuous high-efficient enhancing nanofiber resultant yarn
CN104695066A (en) Swiveling electrostatic spinning nanofiber yarn preparing device and nanofiber yarn preparing method
CN107502957A (en) The high branch nano-fibre yams process units of the pre- boundling of mass and its application method
CN102433596B (en) Gathering unit and method for Taylor cone shower nozzle electrostatic spinning-oriented nanofiber
CN206127491U (en) A helix formula receiver for electrostatic spinning
CN105887223A (en) High-speed centrifugal spinning device for producing nanofiber yarn in one-step shaping and production method of nanofiber yarn
CN106283218B (en) Spiral form receiver and the method for preparing nanofiber for electrostatic spinning
CN102277668A (en) Method and device for preparing electro-spun nanofiber yarn
CN106283217B (en) A kind of layer-stepping receiver for electrostatic spinning and the method for preparing nanofiber
CN206127493U (en) A dot matrix receiver for electrostatic spinning
CN104928767B (en) A kind of multi-functional spinning equipment of Centrifugal Electrostatic formula
CN102108603A (en) Electrostatic spinning device for efficiently preparing nano-fiber fabrics
CN113388928A (en) Spinning and drafting integrated high-performance micro-nanofiber yarn preparation device and method
CN212247284U (en) Multi-needle spinning fiber preparation device based on online algorithm
CN106811845B (en) Spherical shape is to spurt brush type mass nano fibre yarn wire processing device and its application method
CN112251868A (en) Device and method for continuously preparing nanofiber core-spun yarn
CN108796687A (en) One kind is from nanofiber twisted yarn continuous preparation device and method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant