CN108277541A - A kind of preparation facilities and preparation method of high intensity nano fibre beam - Google Patents
A kind of preparation facilities and preparation method of high intensity nano fibre beam Download PDFInfo
- Publication number
- CN108277541A CN108277541A CN201810085218.XA CN201810085218A CN108277541A CN 108277541 A CN108277541 A CN 108277541A CN 201810085218 A CN201810085218 A CN 201810085218A CN 108277541 A CN108277541 A CN 108277541A
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- Prior art keywords
- high intensity
- nano fibre
- fibre beam
- preparation facilities
- intensity nano
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- 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
- 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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
Abstract
The present invention relates to a kind of preparation facilities of high intensity nano fibre beam, including syringe, the water-bath disk below the nozzle of syringe output end, nozzle, water-bath disk includes reservoir and two parallel electrode plates being set in reservoir.The method that the preparation facilities and method of the high intensity nano fibre beam of the present invention use electrostatic spinning, makes nanofibres deposit in the bath foam configured with parallel electrode plate, and obtains high intensity nano fibre beam through boundling, winding.Parallel electrode plate in bath foam so that highly directional state is presented when nanofibres deposit is in bath foam, therefore after water-bath boundling, highly directional degree and range of extension is presented in nanofiber, to make its rate of utilization of strength improve, the mechanical strength of bundles of nanofibers also enhances therewith, the bundles of nanofibers of preparation may be directly applied in three-dimensional woven processing, so that nanofiber can well be applied in ultralight slim textile, intelligent textile, sensor and biomedical materials field.
Description
Technical field
The present invention relates to a kind of preparation facilities of fiber more particularly to a kind of preparation facilities of high intensity nano fibre beam,
In addition the invention further relates to the preparation methods of high intensity nano fibre beam.
Background technology
Nanofiber has high specific surface area, outstanding surface property and flexible mechanical property, therefore in ring
There is important answer in the fields such as guarantor, personal protection, biological medicine, chemical catalysis, sensor, energy storing and electricity generating, electronics, clothes and military affairs
Use potentiality.
Currently, nanofiber, such as method of electrostatic spinning, island method, meltblown etc., comprehensive ratio can be produced with a variety of methods
Compared with electrostatic spinning technique has material selection range wide, and technological operation is simple, controllability is strong, fibre diameter, orientation and physics shape
Shape is adjustable, is easy to the outstanding advantages such as subsidiary various functions, has huge potentiality in terms of the industrialized production of nanofiber.
However, electrostatic textile product is mostly nano fibrous membrane at present, product form is single so that the application range of nanofiber has
Limit；And nano fibrous membrane random orientation structure and poor mechanical strength significantly limit the three-dimensional of nanofiber and answer
With.In, nanofiber is processed into bundles of nanofibers, can nanofiber be very easily processed into three-dimensional fiber
Product, the shortcomings that make up nano fibrous membrane.
The method for emerging a large amount of collection of filaments forming nearly ten years includes mainly machinery according to the collection mode of fiber
Boundling method, air-flow boundling method and water-bath boundling method, wherein water-bath boundling method are using relatively broad.By to existing nanofiber
Beam technology of preparing is analyzed, though find that the clustering method of nanofiber in recent years has obtained a degree of development, fiber
Boundling out of order, degree of orientation is poor with range of extension, therefore mechanical property is poor.
In view of the above shortcomings, the designer, is actively subject to research and innovation, it is a kind of new structural high-strength to found
The preparation facilities and preparation method for spending bundles of nanofibers make it with more the utility value in industry.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of bundles of nanofibers degree of orientation that boundling goes out and stretching
The preparation facilities of the preferable high intensity nano fibre beam of the latitude of emulsion.In addition the present invention also provides a kind of systems of high intensity nano fibre beam
Preparation Method, the bundles of nanofibers degree of orientation and range of extension gone out using this method boundling are preferable.
The present invention high intensity nano fibre beam preparation facilities, including syringe, be set to the syringe output end simultaneously
The nozzle communicated therewith is additionally provided with water-bath disk below the nozzle, and water-bath disk includes for storing the reservoir of liquid, setting
It is placed in reservoir and two electrode plates disposed in parallel.
According to the above aspect of the present invention, the present invention has at least the following advantages：The preparation dress of the high intensity nano fibre beam of the present invention
It sets, including water-bath disk, is set in water-bath disk there are two parallel electrode plate, in use, due to the conductivity and electrode of parallel electrode plate
The conductivity of bath foam is different between plate, so that fiber is easier to be influenced by the larger electrode plate of conductivity and deposit and be overlapped on electricity
The both ends of pole plate.It is higher to form degree of orientation on boundling direction since electrode plate and collection of filaments direction are vertically arranged
Tunica fibrosa, improve the degree of orientation and range of extension of fiber from the root cause.When specific works, setting bath in the reservoir of water-bath disk
Liquid, under the traction of Wound-up roller, the nano fibrous membrane of deposition starts boundling in bath foam, in being total to for winding tensions and water resistance
Under same-action, wet-formed laminar fiber assembly starts boundling, bath edge through boundling trigonum boundling become compared with
Thin wet fiber beam forms dry fibers beam using drying unit, is finally wound up on Wound-up roller and forms nanofiber of coming into being
Beam.Due to the collective effect of external force and fiber Interaction Force in clustering process, the fiber alignment degree in bundles of nanofibers
It is improved with range of extension.
In conclusion the bundles of nanofibers degree of orientation that goes out of preparation facilities boundling of the high intensity nano fibre beam of the present invention and
Range of extension is preferable.
As the further preferred structure of the present invention, the number at least two of the nozzle.
The number of nozzle is set as at least two, substantially increases the preparation speed of high intensity nano fibre beam.
As being further improved for above-mentioned preferred structure, cricoid auxiliary electrode is provided on the outside of multiple nozzles.
Since the electric jamming between more nozzles can generate the field distribution in spinning space, especially jet stream larger shadow
It rings, to influence the collection beam shaping of electrostatic spinning and fiber.Electric jamming is bigger, and jet stream offset is bigger, while taylor cone and penetrating
It flows unstability to increase, so that jet stream is generated increasingly complex disturbance, more irregular bendings, adjacent fiber are generated on fiber
Between will produce increasingly complex tangle.The auxiliary electrode of setting can generate electric field, can balance the partial electric-field between nozzle
Interference so that electric jamming degree reduces in spinning process, so that the repulsion between jet stream weakens.Meanwhile auxiliary electrode is also
The whip of jet stream during Static Spinning can be inhibited dynamic.The two effects of auxiliary electrode, make jet stream be generated because of disturbance additional
Bending is reduced, and to reduce the chance that bending is formed with circle circle nanofiber, improves the degree of orientation of fibre bundle.
As it is above-mentioned it is improved be further improved, the preparation facilities of high intensity nano fibre beam of the invention further includes spinning
Plate, the nozzle are set in spinning plate.
The setting of spinning plate facilitates the installation of multiple nozzles.
As the further preferred structure of the present invention, the output end of the water-bath disk is equipped with conduction orientation and the electrode plate
Vertical cord roller.
The setting of cord roller so that the fibre bundle exported from water-bath disk can hang down in the guiding lower edge of cord roller with electrode plate
Straight direction transmission.
As being further improved for above-mentioned preferred structure, the preparation facilities of high intensity nano fibre beam of the invention further includes
Drying unit, the drying unit include device body, are set to the drying tank on device body surface.
The setting of drying unit can carry out drying operation to fibre bundle, to reduce the moisture in fibre bundle.
As it is above-mentioned it is improved be further improved, the preparation facilities of high intensity nano fibre beam of the invention further includes traversing
Arrange yarn feeding device, the cross that traversing row's yarn feeding device includes traversing, the driving traversing edge is moved with electrode plate parallel direction
Move driving device.
The setting of traversing row's yarn feeding device facilitates winding of the later stage to bundles of nanofibers.
As it is above-mentioned it is improved be further improved, the cross sliding driving device include with the traversing rack connecting,
The driving motor being connect with the rack.
Driving motor is moved by the structures such as synchronizing wheel or gear band carry-over bar when specific works, to realize to traversing
Transverse shifting.
As it is above-mentioned it is improved be further improved, the preparation facilities of high intensity nano fibre beam of the invention further includes being used for
Wind the take-up winding of high intensity nano fibre beam.
The setting of take-up winding realizes the winding collection to bundles of nanofibers.
Polymer solution is prepared into nanometer by a kind of preparation method of high intensity nano fibre beam using method of electrostatic spinning
Fiber is deposited on configuration there are two in the bath foam of parallel electrode plate, the nanofiber that is deposited in bath foam through boundling, wind
To high intensity nano fibre beam.
The preparation method of the high intensity nano fibre beam of the present invention, the parallel electrode plate in bath foam make nanofibres deposit
Highly directional state being presented when in bath foam, therefore after water-bath boundling, highly directional degree and range of extension is presented in nanofiber, to
Its rate of utilization of strength is set to improve, the mechanical strength of bundles of nanofibers also enhances therewith.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the preparation facilities of the high intensity nano fibre beam of the present invention；
Fig. 2 is the high intensity nano fibre beam Electronic Speculum that the preparation facilities of the high intensity nano fibre beam of the present invention is prepared
Figure.
In figure, 1：Syringe；2：Nozzle；3：Water-bath disk；4：Reservoir；5：Electrode plate；6：Auxiliary electrode；7：Spinning plate；
8：Device body；9：Drying tank；10：Traversing；11：Rack；12：Driving motor；13：Take-up winding；14：Wound-up roller；
15：High voltage power supply；16：Flow pump.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present embodiment is described in further detail.Following reality
Example is applied for illustrating the present invention, but is not limited to the range of the present embodiment.
Embodiment one：
Referring to Fig. 1, the preparation facilities of the high intensity nano fibre beam of a preferred embodiment of the present invention, including syringe 1, set
It is additionally provided with water-bath disk 3 below syringe output end and the nozzle 2 that communicates therewith, nozzle, water-bath disk includes for storing
The reservoir 4 of liquid is set in reservoir and two electrode plates 5 disposed in parallel.
Preferably, the number at least two of nozzle.
Preferably, it is provided with cricoid auxiliary electrode 6 on the outside of multiple nozzles.
Preferably, the preparation facilities of the high intensity nano fibre beam of the present embodiment further includes spinning plate 7, and nozzle is set to spinning
On filament plate.
In use, operating personnel import bath foam in reservoir, then put nanofiber from nozzle by electrostatic spinning
It sprays and is deposited in bath foam, since the conductivity of parallel electrode plate is different from the conductivity of bath foam between electrode plate, so that
Fiber is easier to be influenced by the larger electrode plate of conductivity and deposit the both ends for being overlapped on electrode plate.Due to electrode plate and fiber collection
Shu Fangxiang is vertically arranged, and to form the higher tunica fibrosa of degree of orientation on boundling direction, improves fiber from the root cause
Degree of orientation and range of extension.Wherein, the number of nozzle is set as at least two, substantially increases high intensity nano fibre beam
Prepare speed.Further, since electric jamming between more nozzles the field distribution in spinning space, especially jet stream can be generated compared with
Big influence, to influence the collection beam shaping of electrostatic spinning and fiber.Electric jamming is bigger, and jet stream offset is bigger, while Taylor
Cone and jet instability increase, and jet stream is made to generate increasingly complex disturbance, and more irregular bendings are generated on fiber, adjacent
Fiber between will produce increasingly complex tangle.The auxiliary electrode of setting can generate electric field, can balance the portion between nozzle
Divide electric jamming so that electric jamming degree reduces in spinning process, so that the repulsion between jet stream weakens.Meanwhile it assisting
Electrode can also inhibit the whip of jet stream during Static Spinning dynamic.The two effects of auxiliary electrode, make jet stream be generated because of disturbance
Additional bending reduce, to reduce bending with circle circle nanofiber formed chance, improve the degree of orientation of fibre bundle.It spins
The setting of filament plate facilitates the installation of multiple nozzles.
Wherein, the shape of auxiliary electrode can be round, rectangle and round rectangle, the material of auxiliary electrode can be iron,
The shape of stainless steel, aluminium and copper, auxiliary electrode material can be sheet and threadiness.Electrode plate material can be iron, stainless steel, aluminium,
Copper, silicon etc..The material of water-bath disk can be PP, PVC, POM, bakelite etc..
In addition, bundles of nanofibers can utilize carbon nanotube, graphene, silicate to enhance, it is possible to have conductive, anti-
The functions such as bacterium, photosensitive, catalysis.Bundles of nanofibers enhances and functional realization can be by adding reinforcing agent in spinning solution
And functional additive is realized.
Embodiment two：
Referring to Fig. 1, the preparation facilities of the high intensity nano fibre beam of the present embodiment, including syringe, to be set to syringe defeated
Outlet and the nozzle communicated therewith, are additionally provided with water-bath disk below nozzle, water-bath disk include for store the reservoir of liquid,
It is set in reservoir and two electrode plates disposed in parallel.It is vertical with electrode plate that the output end of water-bath disk is equipped with conduction orientation
Cord roller.
Preferably, the preparation facilities of the high intensity nano fibre beam of the present embodiment further includes drying unit, drying unit packet
The drying tank 9 for including device body 8, being set to device body surface.
Preferably, the preparation facilities of the high intensity nano fibre beam of the present embodiment further includes traversing row's yarn feeding device, traversing row
The cross sliding driving device that yarn feeding device includes traversing 10, traversing edge of driving is moved with electrode plate parallel direction.
Preferably, cross sliding driving device includes and the traversing rack connecting 11, the driving motor 12 being connect with rack.
The preparation facilities of the preferably high intensity nano fibre beam of the present embodiment further includes for winding high-strength nano fibre
Tie up the take-up winding 13 of beam.
The setting of cord roller so that the fibre bundle exported from water-bath disk can hang down in the guiding lower edge of cord roller with electrode plate
Straight direction transmission.The setting of drying unit can carry out drying operation to fibre bundle, to reduce the moisture in fibre bundle.It is horizontal
The setting of the row's of shifting yarn feeding device facilitates winding of the later stage to bundles of nanofibers.Driving motor passes through the structures band such as synchronizing wheel or gear
Carry-over bar moves, to realize the transverse shifting to traversing.The setting of take-up winding realizes the volume to bundles of nanofibers
Around collection.When specific works, water is arranged in operating personnel in the reservoir of water-bath disk, and high intensity nano fibre is in high voltage power supply
It is deposited in water under effect, under the traction of Wound-up roller 14, the nano fibrous membrane of deposition starts boundling in bath foam, is winding
Under the collective effect of pulling force and water resistance, wet-formed laminar fiber assembly starts boundling, at bath edge through boundling
Trigonum boundling becomes thinner wet fiber beam, using drying unit, forms dry fibers beam, is finally wound up on Wound-up roller
Form bundles of nanofibers of coming into being.Due to the collective effect of external force and fiber Interaction Force, nanofiber in clustering process
Fiber alignment degree in beam is improved with range of extension.
A kind of preparation method of high intensity nano fibre beam, uses method of electrostatic spinning, polymer solution is prepared into and is received
Rice fiber is deposited on configuration, and there are two the nanofibers in the bath foam of parallel electrode plate, being deposited in bath foam through boundling, winding
Obtain high intensity nano fibre beam.Specifically, the preparation method of high intensity nano fibre beam includes the following steps：
(1) preparation of spinning solution
By polyamide 6 (PA6) grain dissolution in the formic acid that mass fraction is 88%, at room temperature through magnetic agitation to poly-
6 particle of amide is completely dissolved, and is configured to the polyamide 6 spinning solution that mass fraction is 25%.
(2) preparation of bath foam
In deionized water by paregal O dissolving, it is completely dissolved, configures through magnetic agitation to surfactant at room temperature
The paregal O bath foam for being 0.5% at mass fraction.
(3) preparation of bundles of nanofibers
Under the action of flow pump 16, spinning solution is uniformly distributed in nozzle (nozzle number is 15)；Nozzle connection is high
The anode of voltage source 15, electrode plate connect the cathode of high voltage power supply, and are positioned in bath foam so that the upper surface of parallel electrode plate
Slightly below bath surface, under the high voltage electric field effect that they are formed, spinning solution, which is sprayed and formed from each spinning head, largely to be received
Rice fiber is deposited on bath surface, by boundling, drying, winding, ultimately forms continuous bundles of nanofibers.
Applied voltage is 26kV；Flow is 1.5mL/h；The vertical range of spinneret tip and solution surface is 60mm；
Bath foam diameter 250mm, height 10mm；The length of drying unit is 200mm, and temperature is 350 DEG C；The linear velocity of Wound-up roller is
588m/h.Using copper sheet as auxiliary electrode, copper thickness 0.1mm；Copper sheet height is 20mm；Auxiliary electrode size is
60mm*100mm, auxiliary electrode lower edge according to nozzle needle point 10mm.The material of parallel plate electrode is copper coin, and length 200mm is high
9.95mm, wide 10mm, spacing 10mm.
The preparation method of the high intensity nano fibre beam of the present embodiment, the parallel electrode plate in bath foam so that nanofiber is heavy
Highly directional state being presented when product is in bath foam, therefore after water-bath boundling, highly directional degree and range of extension is presented in nanofiber, from
And its rate of utilization of strength is made to improve, the mechanical strength of bundles of nanofibers also enhances therewith.
Bundles of nanofibers comparative sample without parallel electrode plate, the degree of orientation of the two are prepared using identical technique and parameter
With intensity such as table 1.
The structure and mechanical property of 1 bundles of nanofibers of table
| Fiber alignment degree/% in fibre bundle | Intensity/MPa | |
| High intensity nano fibre beam | 97.62 | 102.45 |
| Comparative sample | 82.87 | 32.67 |
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of spirit or essential attributes without departing from this embodiment, those skilled in the art can realize in other specific forms
The present invention.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this reality
The protection domain for applying example is indicated by the appended claims rather than the foregoing description.
In addition, the above is only the preferred embodiment of the present embodiment, it is not intended to restrict the invention, it is noted that for
For those skilled in the art, without departing from the technical principles of the invention, several change can also be made
Into and modification, these improvements and modifications also should be regarded as the protection domain of the present embodiment.Although it will also be appreciated that this specification
Be described in terms of embodiments, every embodiment includes only a single technical solution, specification it is this
Narrating mode is merely for the sake of clarity, and the skilled in the art should refer to the specification as a whole, in each embodiment
Technical solution may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Claims (10)
1. a kind of preparation facilities of high intensity nano fibre beam, including syringe, connect set on the syringe output end and with it
Logical nozzle, it is characterised in that：Water-bath disk is additionally provided with below the nozzle, water-bath disk includes the liquid storage for storing liquid
Slot is set in reservoir and two electrode plates disposed in parallel.
2. the preparation facilities of high intensity nano fibre beam according to claim 1, it is characterised in that：The number of the nozzle
At least two.
3. the preparation facilities of high intensity nano fibre beam according to claim 2, it is characterised in that：The outside of multiple nozzles
It is provided with cricoid auxiliary electrode.
4. the preparation facilities of high intensity nano fibre beam according to claim 3, it is characterised in that：Further include spinning plate,
The nozzle is set in spinning plate.
5. the preparation facilities of high intensity nano fibre beam according to claim 1, it is characterised in that：The water-bath disk it is defeated
Outlet is equipped with the conduction orientation cord roller vertical with the electrode plate.
6. the preparation facilities of high intensity nano fibre beam according to claim 5, it is characterised in that：It further include drying dress
It sets, the drying unit includes device body, is set to the drying tank on device body surface.
7. the preparation facilities of high intensity nano fibre beam according to claim 6, it is characterised in that：It further include traversing row's yarn
Device, the traversing drive that traversing row's yarn feeding device includes traversing, the driving traversing edge is moved with electrode plate parallel direction
Dynamic device.
8. the preparation facilities of high intensity nano fibre beam according to claim 7, it is characterised in that：The traversing driving dress
Set including with the traversing rack connecting, the driving motor being connect with the rack.
9. the preparation facilities of high intensity nano fibre beam according to claim 8, it is characterised in that：Further include for winding
The take-up winding of high intensity nano fibre beam.
10. a kind of preparation method of high intensity nano fibre beam, it is characterised in that：Using method of electrostatic spinning, by polymer solution
Nanofibres deposit is prepared into configuring the bath foam there are two parallel electrode plate, is deposited on the nanofiber in bath foam through collection
Beam, winding obtain high intensity nano fibre beam.
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810085218.XA CN108277541A (en) | 2018-01-29 | 2018-01-29 | A kind of preparation facilities and preparation method of high intensity nano fibre beam |
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| JP2014227629A (en) * | 2013-05-23 | 2014-12-08 | 株式会社イマック | Manufacturing installation of microfilament bulk materials |
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Application publication date: 20180713 |