CN205741310U - A kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary - Google Patents
A kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary Download PDFInfo
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- CN205741310U CN205741310U CN201620441321.XU CN201620441321U CN205741310U CN 205741310 U CN205741310 U CN 205741310U CN 201620441321 U CN201620441321 U CN 201620441321U CN 205741310 U CN205741310 U CN 205741310U
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Abstract
The utility model discloses a kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary, air-flow air bubble spinning device includes regulating and controlling the magnetic control means of jet path, described magnetic control means is arranged at the surface of bubble jet pipe, described magnetic control means includes realizing longitudinal magnetic control means of jet longitudinally convergence respectively and realizing the horizontal magnetic control means of jet cross directional stretch, and described longitudinal magnetic control means and described horizontal magnetic control means are set in turn on the line of jet-core region.By arranging magnetic control means between bubble jet pipe and reception device, when shaping fiber material, longitudinal magnetic control means can realize jet convergence in the vertical, laterally magnetic control means can realize jet stretching in the horizontal, realized the controllability of jet path by the effect in magnetic field, excessive with flow angle during solving existing air-flow air bubble spinning, the astable swing of injection stream causes fiber to collect the most unordered technical problem, change microstructure fiber, improve the degree of orientation of fiber.
Description
Technical field
This utility model belongs to air bubble spinning technical field, and being specifically related to one has based on magnetic field auxiliary preparation
The air-flow air bubble spinning device of sequence fibrous material.
Background technology
Micro/nano-fibre material is owing to possessing the biggest specific surface area, excellent mechanical performance, unique
Bionical characteristic and significant dimensional effect, therefore at biomedicine, energy security, composite material template etc.
Field is widely used.At present, the method preparing micro/nano-fibre material mainly has template, liquid
Phase reducing process, centrifuging, method of electrostatic spinning, air-flow air bubble spinning method etc., but, due to these methods
Itself is uncontrollable to jet motion, causes the dynamic instability of the strong whip of jet, therefore prepare micro-/
Nanofiber mostly non-woven fabrics form in random alignment.
Air-flow air bubble spinning technology is with air-flow as power, and the bubble ruptured produces substantial amounts of fine fluid column at height
Be stretched under the effect of speed air-flow refinement, achieves a large amount of productions of micro nanometer fiber to a certain extent.
During air-flow air bubble spinning, injection stream self is had astable swing characteristic, causes spraying stream
Between can produce impact, intermesh between per share injection stream, result in fiber drop point on the reception device
Having randomness, the fiber distribution collected has arbitrariness, the most also collects to fiber and causes necessarily
Difficulty.
But, unordered fibrous material answering at aspects such as organizational project, opto-electronic device, increase templates
With meeting requirement, and orderly and controlled micro nanometer fiber imparts new excellent of fibrous material
Opposite sex energy, the most greatly promotes the micro nanometer fiber application in this kind of field.If fibrous material is for thin
Conductive material etc. in born of the same parents' timbering material, preferable super hydrophobic material, photoelectric device, it is desirable to cell Yan Te
Determining direction growth, this is necessary for requiring that fibrous material has good order and need seek Static Spinning Nanowire
Dimension has good orientation, and therefore, preparing the most controlled nanofiber becomes the heat of research now
Point.
Magnetic field ancillary technique is to utilize this field with special energy, magnetic field, produces with controll plant effect
Power, is macroscopically changing its kinestate, is changing its structure on microcosmic.Magnetic field is utilized to control injection stream
Unsteady motion, in spinning process introduce magnetic field, make tradition spinning in the case of non-stable rotation
Injection circulation becomes metastable injection stream, changes microstructure fiber simultaneously, improves taking of fiber
Xiang Du.
Therefore, in order to effectively solve problem present in above-mentioned technology, it is necessary to provide a kind of novel
Air-flow air bubble spinning device, to overcome drawbacks described above.
Utility model content
In view of this, this utility model provides a kind of gas preparing ordered fiber material based on magnetic field auxiliary
Stream air bubble spinning device, by arranging magnetic control means, in molding between bubble jet pipe and reception device
Can realize jet convergence in the vertical and stretching in the horizontal during fibrous material, it is achieved jet rail
The controllability of mark, excessive with flow angle during solving existing air-flow air bubble spinning, injection stream non-surely
Fixed pendulum is moved and is caused fiber to collect the most unordered technical problem, changes microstructure fiber, improves fiber
The degree of orientation.
A kind of gas preparing ordered fiber material based on magnetic field auxiliary proposed according to the purpose of this utility model
Stream air bubble spinning device, including bubble jet pipe and the high pressure draught being arranged at described bubble jet pipe periphery
Playpipe, bubble jet pipe top molding bubble the broken jet that formed, high pressure draught playpipe ejection gas
Stream stretching jet, jet is deposited on the reception device above bubble jet pipe；Described air-flow air bubble spinning
Device also includes regulating and controlling the magnetic control means of jet path, and described magnetic control means is arranged at bubble jet pipe
Surface, described magnetic control means includes realizing respectively longitudinal magnetic control means and the realization that jet longitudinally converges
The horizontal magnetic control means of jet cross directional stretch, described longitudinal magnetic control means is with described horizontal magnetic control means successively
It is arranged on the line of jet-core region.
Preferably, described longitudinal magnetic control means is arranged at the lower section of horizontal magnetic control means, described horizontal magnetic control
Device is arranged near receiving device.
Preferably, described longitudinal magnetic control means is least one set, and often group includes that longitudinally disposed two are coaxial
Parallel magnet exciting coil and analog magnetic field generator, jet passes described magnet exciting coil.
Preferably, described magnet exciting coil is centrally located on the axis of bubble jet pipe, described magnet exciting coil
The magnetic line of force parallel with bubble jet pipe axis, be provided with height adjuster between described magnet exciting coil.
Preferably, the magnetic field intensity of described longitudinal magnetic control means is regulated by analog magnetic field generator, and magnetic field is adjusted
Adjusting range is 0-5T.
Preferably, described horizontal magnetic control means is least one set, and often group includes that electric magnet is sent out with high-tension current
Raw device, described electric magnet is the synonyms pole Magnet of horizontally-parallel setting, the magnetic line of force of described electric magnet with
Bubble jet pipe axis is vertical, and jet is extremely received on device by injection through between two electric magnet.
Preferably, described electric magnet is symmetrically distributed in bubble jet pipe axis both sides, between described electric magnet
It is provided with range adjuster.
Preferably, the magnetic field intensity of described horizontal magnetic control means is regulated by high-tension current generator, and magnetic field is adjusted
Adjusting range is 0-5T.
Preferably, the distance between two electric magnet is not less than the diameter of magnet exciting coil, and described longitudinal magnetic control dress
Put and be provided with range adjuster between horizontal magnetic control means.
Preferably, described air-flow air bubble spinning device also includes low-voltage direct electrostatic generator, described low pressure
DC static generator is connected with the metal electrode inserted bottom bubble jet pipe, and described low-voltage direct is quiet
The range of electric generator is 0-100V.
Compared with prior art, this utility model is disclosed prepares ordered fiber material based on magnetic field auxiliary
The advantage of air-flow air bubble spinning device is:
By arranging magnetic control means between bubble jet pipe and reception device, when shaping fiber material,
Longitudinal magnetic control means can realize jet convergence in the vertical, and horizontal magnetic control means can realize jet at horizontal stroke
Stretching upwards, realizes the controllability of jet path by the effect in magnetic field, to solve existing air-flow bubble
In spinning process, flow angle is excessive, and the astable swing of injection stream causes fiber to collect the most unordered skill
Art problem, changes microstructure fiber, improves the degree of orientation of fiber.
Use the uniform magnetic field that coaxial excitation coil produces as longitudinal magnetic field, it is ensured that the magnetic line of force sprays with bubble
Penetrate pipe axis parallel, spiral swing electrically charged jet under the effect of Lorentz force movement locus to bubble
Playpipe axis is drawn close, and effectively reduces the amplitude of fluctuation of jet, thus the most effective
Solve due under action of high-speed airflow the huge pendulum angle of fluidic vectoring thrust and cause the skill of fiber not easily collecting
Art problem.
Use the uniform magnetic field that the electric magnet being parallel to each other produces as transverse magnetic field, it is ensured that the magnetic line of force and gas
Bubble playpipe axis is vertical, and the electrically charged jet that spiral swings is stretched under the effect of Lorentz force, fine
The degree of orientation of dimension is increased dramatically, so that a large amount of Random fiber produced under action of high-speed airflow are gradually
Ordering.
Use low-voltage direct electrostatic generator to make a certain amount of electric charge of solution band, effectively avoid high-pressure electrostatic
The electrostatic too high potential safety hazard caused when ordered fiber is prepared in spinning.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is the structural representation of air-flow air bubble spinning device disclosed in this utility model.
Fig. 2 is the structural representation of longitudinal magnetic control means.
Fig. 3 is the structural representation of horizontal magnetic control means.
Fig. 4 is the structural representation receiving device.
Numeral in figure or the title of the corresponding component representated by letter:
1, feed tank 2, for fluid catheter 3, bubble jet pipe 4, high pressure draught playpipe 5, vertical
To magnetic control means 6, horizontal magnetic control means 7, receive device 8, bubble 9, bubbler tube 10,
Air pump 11, metal electrode 12, low-voltage direct electrostatic generator
51, magnet exciting coil 52, analog magnetic field generator
61, electric magnet 62, high-tension current generator
71, receiving roll
Detailed description of the invention
During air-flow air bubble spinning, injection stream self is had astable swing characteristic, causes injection
Impact can be produced between stream, intermesh between per share injection stream, result in fiber on the reception device
Drop point has randomness, and the fiber distribution collected has arbitrariness, the most also collects to fiber and causes
Certain difficulty.And multiple fields require that fibrous material has good order and need ask in prior art
Electrostatic spinning nano fiber has good orientation, and therefore, preparing the most controlled nanofiber becomes
The focus of research now.
This utility model is for deficiency of the prior art, it is provided that a kind of orderly based on magnetic field auxiliary preparation
The air-flow air bubble spinning device of fibrous material, by arranging magnetic control between bubble jet pipe and reception device
Device, can realize when shaping fiber material jet convergence in the vertical and stretching in the horizontal,
Realize the controllability of jet path, excessive with flow angle during solving existing air-flow air bubble spinning, spray
The astable swing of jet causes fiber to collect the most unordered technical problem, changes microstructure fiber,
Improve the degree of orientation of fiber.
By detailed description of the invention, the technical solution of the utility model clearly and completely will be retouched below
State.Obviously, described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creation
Property work premise under the every other embodiment that obtained, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, as it can be seen, a kind of air-flow bubble preparing ordered fiber material based on magnetic field auxiliary
Device for spinning, including bubble jet pipe 3 and the high pressure draught playpipe 4 being arranged at bubble jet pipe 3 periphery,
High pressure draught playpipe is symmetricly set in the both sides of bubble jet pipe.
Feed tank 1 is by providing solution, air pump 10 and insertion bubble for fluid catheter 2 in bubble jet pipe
Bubbler tube 9 in playpipe 3 connects, and acts on bubble jet pipe 3 top by air pump with bubbler tube and becomes
Type bubble the broken jet that formed, high pressure draught playpipe ejection air drawing jet, jet is deposited on gas
On reception device 7 above bubble playpipe.
Air-flow air bubble spinning device also includes regulating and controlling the magnetic control means of jet path, and magnetic control means is arranged
In the surface of bubble jet pipe 3, magnetic control means includes realizing longitudinal magnetic control that jet longitudinally converges respectively
Device 5 and the horizontal magnetic control means 6 realizing jet cross directional stretch, longitudinal magnetic control means 5 fills with horizontal magnetic control
Put 6 to be set in turn on the line of jet-core region.
Longitudinal magnetic control means 5 is arranged at the lower section of horizontal magnetic control means 6, and horizontal magnetic control means 6 is near connecing
Receiving apparatus is arranged.Wherein by two magnetic control means upper-lower positions are defined, it is ensured that jet is one step ahead
Convergence after redraw, be conducive to improve fiber collect effectiveness and order.
As in figure 2 it is shown, longitudinal magnetic control means 5 is least one set, often group includes longitudinally disposed excitation wire
Circle 51 and analog magnetic field generator 52, jet converges through magnet exciting coil.Magnet exciting coil be two with
The coil that axle is parallel, it is ensured that be uniform magnetic field B between two parallel coil, effectively reduce the pendulum of jet
Dynamic angle, improves the stability that jet swings, and makes fiber be easier to collect, two magnet exciting coils simultaneously
Between distance, magnetic field intensity can adjust according to actual spinning situation.And longitudinal direction magnetic control means can be
Setting up and down one or more groups, concrete set-up mode can set as required, does not limits at this.
Magnet exciting coil 51 is centrally located on the axis of bubble jet pipe 3, the magnetic line of force of magnet exciting coil 51
Parallel with bubble jet pipe axis, swing stability and the orientation of jet are effectively ensured.Magnet exciting coil it
Between be additionally provided with height adjuster, the distance between two coils can be regulated as required.
Wherein, the magnetic field intensity of longitudinal magnetic control means is adjusted by analog magnetic field generator 52, and magnetic field is adjusted
Adjusting range is 0-5T.Typically it is adjustable as 1T, 2T, 3T, 4T etc., does not limits.
As it is shown on figure 3, laterally magnetic control means is least one set, often group includes electric magnet 61 and high-tension current
Generator 62, electric magnet 61 is the synonyms pole Magnet of horizontally-parallel setting, the magnetic line of force of electric magnet 61
Vertical with bubble jet pipe 3 axis, jet is extremely received on device 7 by injection through between two electric magnet.Horizontal
Can be setting up and down one or more groups to magnetic control means, concrete set-up mode can set as required,
This does not limits.
By by the two horizontally-parallel settings of electric magnet, and ensure that electric magnet is symmetrically distributed in bubble jet pipe
Axis both sides, it is ensured that be uniform magnetic field B between electric magnet, effectively raise the degree of orientation of fiber, make miscellaneous
The most unordered fiber is further stretched the substantial amounts of ordered fiber of formation.
It is provided with range adjuster between electric magnet 61, can be adjusted according to specific needs.
Laterally the magnetic field intensity of magnetic control means 6 is regulated by high-tension current generator 62, and flux control scope is
0-5T.Typically it is adjustable as 1T, 2T, 3T, 4T etc., does not limits.
Distance between two electric magnet is not less than the diameter of magnet exciting coil, it is ensured that jet can pass magnetic accurately
It is provided with range adjuster, according to specifically between control device, and longitudinal magnetic control means and horizontal magnetic control means
Situation regulation distance therebetween.
Additionally, air-flow air bubble spinning device also includes low-voltage direct electrostatic generator 12, low-voltage direct electrostatic
Generator 12 is connected with the metal electrode 11 inserted bottom bubble jet pipe, and low-voltage direct electrostatic occurs
The range of device is 0-100V.Can be 50V, 60V, 70V etc., not limit.Low by using
Straightening stream electrostatic generator makes a certain amount of electric charge of solution band, effectively avoids high-voltage electrostatic spinning preparation to have
The electrostatic too high potential safety hazard caused during sequence fiber.
Receive device and can use reception plate or receiving roll, this utility model uses receiving roll 71, by adopting
By round roller as receiving device, fiber falls in receiving roll further by the rotation tangential force effect of receiving roll
And be stretched, be conducive to improving further the orientation of fiber, and obtain single fiber.
Operation principle of the present utility model is as follows:
Open feed tank 1 to begin through and in bubble jet pipe 3, carry solution, at bubble for fluid catheter 2
Playpipe 3 fills solution.Opening air pump 10 again, regulation is to suitable airflow rate, simultaneously by feed flow
Groove 1 regulates to suitable feed flow speed.Bubble 8 produces in the high polymeric solution of bubbler tube 9 end,
The bubble 8 produced gradually rises to top from the bottom of bubble jet pipe 3 and ruptures.Meanwhile, low pressure is opened
DC static generator 12, regulation is to suitable magnitude of voltage, and low-voltage direct electrostatic generator 12 passes through metal
Electrode 11 applies a certain amount of electric charge to the solution in bubble jet pipe.Open high pressure draught generating means, adjust
Joint is to suitable airflow rate, and high velocity air is spouting via high pressure draught playpipe 4.Rise to gas
The refinement that is stretched under the effect of the high velocity air ejected after the bubbles burst on bubble playpipe 3 top is formed
Substantial amounts of micro nanometer fiber material.Meanwhile, opening magnetic control means, regulation is to suitable magnetic field intensity
Size.Micro nanometer fiber material forms, through longitudinal magnetic control means 5 effect, the jet that the amplitude of oscillation is more stable, then
Form height-oriented micro nanometer fiber material through the effect stretching of horizontal magnetic control means 6, be finally collected in
Receive on device 7.
The utility model discloses a kind of air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary
Device, by arranging magnetic control means between bubble jet pipe and reception device, when shaping fiber material,
Longitudinal magnetic control means can realize jet convergence in the vertical, and horizontal magnetic control means can realize jet at horizontal stroke
Stretching upwards, realizes the controllability of jet path by the effect in magnetic field, to solve existing air-flow bubble
In spinning process, flow angle is excessive, and the astable swing of injection stream causes fiber to collect the most unordered skill
Art problem, changes microstructure fiber, improves the degree of orientation of fiber.
Use the uniform magnetic field that coaxial excitation coil produces as longitudinal magnetic field, it is ensured that the magnetic line of force sprays with bubble
Penetrate pipe axis parallel, spiral swing electrically charged jet under the effect of Lorentz force movement locus to bubble
Playpipe axis is drawn close, and effectively reduces the amplitude of fluctuation of jet, thus the most effective
Solve due under action of high-speed airflow the huge pendulum angle of fluidic vectoring thrust and cause the skill of fiber not easily collecting
Art problem.
Use the uniform magnetic field that the electric magnet being parallel to each other produces as transverse magnetic field, it is ensured that the magnetic line of force and gas
Bubble playpipe axis is vertical, and the electrically charged jet that spiral swings is stretched under the effect of Lorentz force, fine
The degree of orientation of dimension is increased dramatically, so that a large amount of Random fiber produced under action of high-speed airflow are gradually
Ordering.
Use low-voltage direct electrostatic generator to make a certain amount of electric charge of solution band, effectively avoid high-pressure electrostatic
The electrostatic too high potential safety hazard caused when ordered fiber is prepared in spinning.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (10)
1. prepare an air-flow air bubble spinning device for ordered fiber material based on magnetic field auxiliary, including bubble
Playpipe and the high pressure draught playpipe being arranged at described bubble jet pipe periphery, bubble jet pipe top becomes
Type bubble the broken jet that formed, high pressure draught playpipe ejection air drawing jet, jet is deposited on gas
On reception device above bubble playpipe；It is characterized in that: described air-flow air bubble spinning device also includes using
To regulate and control the magnetic control means of jet path, described magnetic control means is arranged at the surface of bubble jet pipe, institute
State magnetic control means include the longitudinal magnetic control means realizing jet longitudinally convergence respectively and realize jet cross directional stretch
Horizontal magnetic control means, described longitudinal magnetic control means and described horizontal magnetic control means are set in turn in jet
On heart line.
2. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 1
Device, it is characterised in that described longitudinal magnetic control means is arranged at the lower section of horizontal magnetic control means, described horizontal stroke
Arrange to magnetic control means close reception device.
3. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 1
Device, it is characterised in that described longitudinal magnetic control means is least one set, and often group includes longitudinally disposed two
The most parallel individual magnet exciting coil and analog magnetic field generator, jet passes described magnet exciting coil.
4. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 3
Device, it is characterised in that described magnet exciting coil is centrally located on the axis of bubble jet pipe, described in encourage
The magnetic line of force of magnetic coil is parallel with bubble jet pipe axis, is provided with altitude mixture control between described magnet exciting coil
Device.
5. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 3
Device, it is characterised in that the magnetic field intensity of described longitudinal magnetic control means is regulated by analog magnetic field generator,
Flux control scope is 0-5T.
6. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 3
Device, it is characterised in that described horizontal magnetic control means is least one set, and often group includes electric magnet and high pressure
Current feedback circuit, described electric magnet is the synonyms pole Magnet of horizontally-parallel setting, the magnetic of described electric magnet
The line of force is vertical with bubble jet pipe axis, and jet is extremely received on device by injection through between two electric magnet.
7. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 6
Device, it is characterised in that described electric magnet is symmetrically distributed in bubble jet pipe axis both sides, described electromagnetism
Range adjuster it is provided with between ferrum.
8. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 6
Device, it is characterised in that the magnetic field intensity of described horizontal magnetic control means is regulated by high-tension current generator,
Flux control scope is 0-5T.
9. the air-flow air bubble spinning preparing ordered fiber material based on magnetic field auxiliary as claimed in claim 6
Device, it is characterised in that the distance between two electric magnet is not less than the diameter of magnet exciting coil, and described longitudinal direction
It is provided with range adjuster between magnetic control means and laterally magnetic control means.
10. as claimed in claim 1 prepare the air-flow bubble of ordered fiber material based on magnetic field auxiliary to spin
Silk device, it is characterised in that described air-flow air bubble spinning device also includes low-voltage direct electrostatic generator,
Described low-voltage direct electrostatic generator is connected with the metal electrode inserted bottom bubble jet pipe, and described low
The range of straightening stream electrostatic generator is 0-100V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441321.XU CN205741310U (en) | 2016-05-16 | 2016-05-16 | A kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441321.XU CN205741310U (en) | 2016-05-16 | 2016-05-16 | A kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary |
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| Publication Number | Publication Date |
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| CN205741310U true CN205741310U (en) | 2016-11-30 |
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| CN201620441321.XU Expired - Fee Related CN205741310U (en) | 2016-05-16 | 2016-05-16 | A kind of air-flow air bubble spinning device preparing ordered fiber material based on magnetic field auxiliary |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734699A (en) * | 2016-05-16 | 2016-07-06 | 苏州大学 | Airflow and air bubble spinning device for preparing ordered fiber material based on assistance of magnetic field |
| CN109825884A (en) * | 2019-03-22 | 2019-05-31 | 大连民族大学 | The electrospinning fibre controllable electric magnetic field injection experiment method of more solution ratios |
-
2016
- 2016-05-16 CN CN201620441321.XU patent/CN205741310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734699A (en) * | 2016-05-16 | 2016-07-06 | 苏州大学 | Airflow and air bubble spinning device for preparing ordered fiber material based on assistance of magnetic field |
| CN109825884A (en) * | 2019-03-22 | 2019-05-31 | 大连民族大学 | The electrospinning fibre controllable electric magnetic field injection experiment method of more solution ratios |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190516 |