CN107022794B - It is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method - Google Patents
It is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method Download PDFInfo
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- CN107022794B CN107022794B CN201710436177.XA CN201710436177A CN107022794B CN 107022794 B CN107022794 B CN 107022794B CN 201710436177 A CN201710436177 A CN 201710436177A CN 107022794 B CN107022794 B CN 107022794B
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- receiver board
- canted coil
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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
- D01D5/0015—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
-
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
Abstract
The invention discloses a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, comprising the following steps: step 1: being configured to the sour solvent that concentration is 88-95% after taking acid and deionized water mixing；Step 2: 1.5-2.5gPA6 nylon powder being put into above-mentioned sour solvent, heating water bath 30-180min dissolves the nylon powder sufficiently between 20-35 DEG C of temperature, and forming concentration is the uniform and stable nylon spinning solution of 15-30%；Step 3: will be in the injecting unit of above-mentioned nylon spinning solution injection electrostatic spinning apparatus, the high voltage power supply of the electrostatic spinning apparatus is connected, can be collected on the receiving unit of the electrostatic spinning apparatus has from canted coil, at the micro nanometer fiber for twisting structure.The present invention at least has the advantage that preparation process is simple, fibre structure spiral is at twirl.
Description
Technical field
The present invention relates to electrostatic spinning technique field, more particularly to it is a kind of from canted coil, at twisting structure micro-nano rice fiber
Preparation method.
Background technique
Electrostatic spinning technique is developed so far the history of existing last 100 years from last century, with the rise of nanotechnology, electrostatic
Spining technology has obtained quick development in recent two decades, and gradually realizes industrialization.The technology is accounted for because of simple process, equipment
Ground is small, low production cost, can quickly and super-fine fiber material of the mass production diameter between tens nanometers to several microns,
It is widely used in the industrialized production of nanofiber.There is its superfine fibre produced small diameter, large specific surface area, fiber to connect
The nanofiber aperture that continuous property is good, is formed is small.The advantages that porosity is higher can be applied to the energy, environment, electronics, information, state
Family's safety and medical treatment etc. fields.
During electrostatic spinning, simultaneously deformation occurs for band point under high voltage electrostatic field for spinning solution or solution, is spinning
The end of silk spray head forms pendant drop (taylor cone).It is small when the charge repulsion of droplet surface is more than its surface tension
Liquid flow will eject to form jet stream from the surface of drop high speed, and under the action of electric field, jet stream is started stretching.With
The volatilization of solvent and the solidification of solid matter, ultimately form superfine fibre, are deposited on receiver board.Opposite ordinary straight linear nano
Fiber, the micro nanometer fiber with twisted spiral structure has good flexibility, elasticity, high fluffy, high porosity, very
It is multi-field to have a wide range of applications.The electrospinning preparation of canted coil fiber is disclosed in current existing technology successively, than
Most of spiral such as single fiber is prepared using the uneven distribution of the certain performances of spinning material, utilizes two kinds of different fractures
The high polymer co-blended spinning of elongation, these method application ranges are often limited by material property and ingredient.It is relatively broad at present
Be using parallel type two-component electrostatic spinning apparatus, the shortcomings that device is, it is necessary to have performance is different when two kinds of solidifications
Spinning solution, it is desirable to be able to which two kinds of spinning solutions are placed side by side to the spray head for being delivered to spinning nozzle and two sets of solution supply dresses worked in coordination
It sets, device for spinning is complex, is not easy to operation and maintenance, and can not prepare homofil.
Patent CN101586258A discloses " a kind of preparation method of micro-nano fibers with twisted spiral structure ", by spray
The improvement of silk syringe needle, is embedded metal needle point in ordinary hollow syringe needle, uses the metal disk of diameter 2-3 ㎝ as receiver sheet, system
For polyvinylpyrrolidone (PVP) spiral fiber containing inorganic compound.The inventive method is obtained to have helical structure
The spinning solution being limited to based on PVP, and be embedded in metal needle in hollow pinhead, spinning syringe needle be easy to cause to block.Skill
There is biggish limitation in art, this method is only suitable for the biggish hollow pinhead of internal diameter, and utilizes the fiber of large diameter syringe needle spinning
It is relatively thick, thus the device cannot spin the thinner fiber of diameter.Secondly, this method can only realize the helical structure of single fiber,
Cannot plurality of fibers be distorted and be twisted simultaneously, it is distinct in the fibre weight low efficiency and structure of spinning.Current spinning
Silk device and method, generally existing complex process, low output, high production cost, disadvantage poor for applicability.
Summary of the invention
In order to solve the above technical problems, it is an object of that present invention to provide one kind, from canted coil, at twisting, structure micro-nano rice is fine
The preparation method of dimension, to solve, preparation process in the prior art is complicated, fibre diameter is relatively thick, fibre structure performance is poor is asked
Topic.
It is of the invention it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, comprising the following steps: step
1: being configured to the sour solvent that concentration is 88-95% after taking acid and deionized water mixing；Step 2: by 1.5-2.5gPA6 nylon powder
It being put into above-mentioned sour solvent, heating water bath 30-180min dissolves the nylon powder sufficiently between 20-35 DEG C of temperature,
Forming concentration is the uniform and stable nylon spinning solution of 15-30%；Step 3: above-mentioned nylon spinning solution is injected into electrostatic spinning
In the injecting unit of device, the high voltage power supply of the electrostatic spinning apparatus is connected, it can be in the reception of the electrostatic spinning apparatus
Being collected on unit has from canted coil, at the micro nanometer fiber for twisting structure.
Further, the sour solvent is formic acid and/or acetic acid.
Further, the sour solvent is the mixed liquor of formic acid and acetic acid, as unit of quality, the formic acid and acetic acid it
Than for 8:1.
Further, the lower part outlet end of the injecting unit, institute is arranged in the injection unit of the electrostatic spinning apparatus
State the underface that the injection unit is arranged in receiving unit, the high voltage power supply respectively with the injection unit and the reception
Unit electrical connection, the metal needle of the electrostatic spinning apparatus are provided with more, and the receiving unit includes horizontally disposed first
Receiver board, the more metal needles are uniformly arranged in first receiver board upper surface.
Further, the receiving unit further includes the second receiver board being arranged in above first receiver board, described
The through-hole worn for the more metal needles is provided on second receiver board.
Further, the height of the metal needle extends along the vertical direction and is greater than the thickness of second receiver board.
Further, the relative distance of first receiver board and second receiver board in the vertical direction is adjustable.
Further, the height of the metal needle is between 5-40 ㎜, and the spacing between adjacent two metal needle is in 3-
Between 20 ㎜.
Further, the difference of the thickness of the height of the metal needle and second receiver board is between 1-35 ㎜.
Further, on the same metal plate, the metal plate is embedded described for the bottom connection of the more metal needles
In first receiver board and along the vertical direction height-adjustable.
According to the above aspect of the present invention, the present invention has at least the following advantages:
1, spinning solution can be obtained preferably with spiral into twirl during spinning using nylon spinning solution
The micro nanometer fiber of structure, while can guarantee lesser diameter, the overall structure performance of micro nanometer fiber more optimizes；
2, by being provided with metal needle, change the distribution of electric field using metal needle energization, to enhance jet stream in electric field
The unstability of middle swing distorts the fiber in spinning process using the jet stream unstability that spiral is swung in the electric field
And twisting；
3, by being provided with the second receiver board, convenient for collecting spinning fibre, while the second receiver board and the first receiver board exist
Relative distance on vertical direction is adjustable, and Indirect method metal needle extends the distance of second receiver board upper surface, fits
Answer different spinning requirements；
4, by being provided with metal plate, metal needle is arranged on a metal plate, and metal plate and the first receiver board are in vertical direction
On relative distance it is adjustable, further adjust the distance that metal needle extends second receiver board upper surface, adapt to different
Spinning requirement；
5, structure of the invention optimizes, and simple process, cost is relatively low, and yield is big.
The above description is only an overview of the technical scheme 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, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the overall structure diagram of electrostatic spinning apparatus of the present invention；
Fig. 2 is the partial structure diagram of electrostatic spinning apparatus of the present invention；
Fig. 3 is the structural schematic diagram of the micro nanometer fiber of the preparation of the embodiment of the present invention one under an optical microscope；
Fig. 4 is the structural schematic diagram of the micro nanometer fiber of the preparation of the embodiment of the present invention two under an optical microscope；
Fig. 5 is the structural schematic diagram of the micro nanometer fiber of the preparation of the embodiment of the present invention three under an optical microscope.
In the figures above: 1, metal needle；2, high voltage power supply；3, the first receiver board；4, the second receiver board；5, metal plate；6,
Spinning nozzle；7, syringe；8, propulsion electric machine；9, through-hole.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Referring to figs. 1 and 2, a kind of distortion certainly disclosed by the invention rotates, at the preparation for twisting structure micro-nano rice fiber
Method need to provide an electrostatic spinning apparatus.The electrostatic spinning apparatus includes injecting unit, injection unit, metal needle 1, receives
Unit and high voltage power supply 2.The lower part outlet end of the injecting unit, the receiving unit setting is arranged in the injection unit
The injection unit underface and vertical distance between the two it is adjustable, to change electric field strength, meet different spinnings
Silk requires, and the high voltage power supply 2 is electrically connected with the injection unit and the receiving unit respectively.The receiving unit includes water
It puts down the first receiver board 3 of setting and the second receiver board 4 of 3 top of the first receiver board is set, on second receiver board 4
It is provided with the through-hole 9 worn for the more metal needles 1.First receiver board 3 and second receiver board 4 are in vertical direction
On relative distance it is adjustable, first receiver board 3 is grounded.It is fine convenient for collecting spinning by being provided with the second receiver board 4
Dimension, while the relative distance of the second receiver board 4 and the first receiver board 3 in the vertical direction is adjustable, Indirect method metal needle 1 prolongs
The distance for stretching out 4 upper surface of the second receiver board, adapts to different spinning requirements.
The metal needle 1 is provided with more, and the bottom of the more metal needles 1 is connected on same metal plate 5, the gold
Belong to plate 5 and be embedded in first receiver board 3 and along the vertical direction height-adjustable, the metal plate 5 connects with described first
Plate 3 is received to be electrically connected.By being provided with metal plate 5, metal needle 1 is arranged on metal plate 5, and metal plate 5 and the first receiver board 3 exist
Relative distance on vertical direction is adjustable, further adjust metal needle 1 extend 4 upper surface of the second receiver board away from
From adapting to different spinning requirements.The height of the metal needle 1 extends along the vertical direction and is greater than second receiver board 4
The difference of the thickness of thickness, the height of the metal needle 1 and second receiver board 4 is between 1-35 ㎜.The metal needle 1
Height is between 5-40 ㎜, and the spacing between adjacent two metal needle 1 is between 3-20 ㎜.By being provided with metal needle 1, benefit
It is powered with metal needle 1 to change the distribution of electric field, to enhance the unstability that jet stream is swung in the electric field, using jet stream in electricity
The unstability that spiral is swung in is distorted and is twisted to the fiber in spinning process.
The injection unit includes spinning nozzle 6, and the spinning nozzle 6 is tubular type hollow metal needle, the spinning spray
Vertical range between first 6 and the upper surface of second receiver board 4 is between 110-150 ㎜.The injecting unit includes note
Emitter 7 and the propulsion electric machine 8 being slidably connected with it, the propulsion electric machine 8 are the motor of adjustable speed.In the present invention, preferably
The syringe 7 volume be 5ml.By being provided with propulsion electric machine 8, change the supply speed of spinning solution according to actual requirement
Degree, meets different spinning requirements.
Specific embodiment one
It is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method, comprising the following steps:
Step 1: anhydrous formic acid and deionized water being taken to be configured to the formic acid solvent that concentration is 88%；
Step 2: 2gPA6 nylon powder is put into 8g formic acid solvent (88%), 25 DEG C at a temperature of stirred by magnetic force
It mixes device to stir 1 hour, until nylon powder is completely dissolved, forms 20% uniform and stable nylon spinning solution；
Step 3: above-mentioned nylon spinning solution is added in syringe 7, set the fltting speed of propulsion electric machine 8 as
The upper surface distance of 0.1ml/h, spinning nozzle 6 and the second receiver board 4 is 120 ㎜；The quantity of metal needle 1 is 1, metal needle 1
Structure be cylindrical flattened metal needle, metal needle 1 exposes 4 upper surface of the second receiver board, 1 ㎜, and described second receives 4 plates
For cystosepiment；The glass slide for acquiring sample is placed on the second receiver board 4, is closed after starting high voltage power supply 2 (30kv) 20s,
Take out glass slide observation analysis under an optical microscope.As shown in connection with fig. 3, the equal canted coil micro nanometer fiber of most fibers
Shape, part helix micro nanometer fiber are wound in mutually twirl, improve the intensity of micro nanometer fiber, and the fibrous layer of preparation has good
Flexibility, elasticity, high fluffy, high porosity.
Specific embodiment two
It is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method, comprising the following steps:
Step 1: anhydrous formic acid and deionized water being taken to be configured to the formic acid solvent that concentration is 88%；
Step 2: 3gPA6 nylon powder is put into 7g formic acid solvent (88%), 25 DEG C at a temperature of stirred by magnetic force
It mixes device to stir 2 hours, until nylon powder is completely dissolved, forms 30% uniform and stable nylon spinning solution；
Step 3: above-mentioned nylon spinning solution is added in syringe 7, set the fltting speed of propulsion electric machine 8 as
The upper surface distance of 0.5ml/h, spinning nozzle 6 and the second receiver board 4 is 120 ㎜；The quantity of metal needle 1 is 3, metal needle 1
Structure is the upward conical metal needle of the vertex of a cone, and 3 metal needles 1 overlook arrangement in equilateral triangle, two neighboring metal
The distance between needle is 25 ㎜, and metal needle 1 exposes 4 upper surface of the second receiver board, 20 ㎜, and second receiver board 4 is artificial
Fiberboard；The glass slide for acquiring sample is placed on the second receiver board 4, closes, takes after starting high voltage power supply 2 (30kv) 20s
Glass slide observation analysis under an optical microscope out.As shown in connection with fig. 4, most fibers are in canted coil micro nanometer fiber
Shape, part helix micro nanometer fiber are wound in mutually twirl, improve the intensity of micro nanometer fiber, and the fibrous layer of preparation has good
Flexibility, elasticity, high fluffy, high porosity.
Specific embodiment three
It is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method, comprising the following steps:
Step 1: anhydrous formic acid and deionized water being taken to be configured to the formic acid solvent that concentration is 90%；
Step 2: 1.8gPA6 nylon powder is put into 8.2g formic acid solvent (90%), 25 DEG C at a temperature of pass through magnetic
Power blender stirs 1.5 hours, until nylon powder is completely dissolved, forms 18% uniform and stable nylon spinning solution；
Step 3: above-mentioned nylon spinning solution is added in syringe 7, set the fltting speed of propulsion electric machine 8 as
The upper surface distance of 4ml/h, spinning nozzle 6 and the second receiver board 4 is 150 ㎜；The quantity of metal needle 1 is 6,1 knot of metal needle
Structure is the upward conical metal needle of the vertex of a cone, and 6 metal needles 1 overlook rounded arrangement, between two neighboring metal needle 1
Distance is 20 ㎜, and metal needle 1 exposes 4 upper surface of the second receiver board, 30 ㎜, and second receiver board 4 is cystosepiment；It will adopt
The glass slide of collection sample is placed on the second receiver board 4, is closed after starting high voltage power supply 2 (25kv) 20s, takes out glass slide in light
Learn microscopically observation analysis.As shown in connection with fig. 4, most fibers are in canted coil micro nanometer fiber shape, and part helix is micro-
Nanofiber is wound in mutually twirl, improves the intensity of micro nanometer fiber, and the fibrous layer of preparation has good flexibility, bullet
Property, high fluffy, high porosity.
Electrostatic spinning group is improved by using nylon spinning solution in conjunction with above-mentioned electrostatic spinning apparatus and three embodiments
Part enhances the unstability that nylon spinning solution distorts during jet stream provided with metal needle 1 to change spinning electric field,
Single nylon fiber distorts to form helical structure by electric field force, and more nylon fibers of formation are mutually wound in by electric field force
It twists, there is good flexibility, elasticity, high fluffy, high porosity, have a wide range of applications in many fields.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. it is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method, which comprises the following steps:
Step 1: being configured to the sour solvent that concentration is 88-95% after taking acid and deionized water mixing；
Step 2: 1.5-2.5gPA6 nylon powder being put into above-mentioned sour solvent, the heating water bath between 20-35 DEG C of temperature
30-180min dissolves the nylon powder sufficiently, and forming concentration is the uniform and stable nylon spinning solution of 15-30%；
Step 3: by the injecting unit of above-mentioned nylon spinning solution injection electrostatic spinning apparatus, connecting the electrostatic spinning apparatus
High voltage power supply, can be collected on the receiving unit of the electrostatic spinning apparatus with from canted coil, at twisting structure
Micro nanometer fiber；
The lower part outlet end of the injecting unit, the receiving unit setting is arranged in the injection unit of the electrostatic spinning apparatus
In the underface of the injection unit, the high voltage power supply is electrically connected with the injection unit and the receiving unit respectively, institute
The metal needle for stating electrostatic spinning apparatus is provided with more, and the receiving unit includes horizontally disposed first receiver board, more institutes
Metal needle is stated to be uniformly arranged in first receiver board upper surface；The receiving unit further includes being arranged in first receiver board
Second receiver board of top is provided with the through-hole worn for the more metal needles on second receiver board；Described first connects
It is adjustable to receive the relative distance of plate and second receiver board in the vertical direction.
2. it is according to claim 1 it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, feature exists
In: the sour solvent is formic acid and/or acetic acid.
3. it is according to claim 2 it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, feature exists
In: the sour solvent is the mixed liquor of formic acid and acetic acid, and as unit of quality, the ratio between the formic acid and acetic acid are 8:1.
4. it is according to claim 1 it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, feature exists
In: the height of the metal needle extends along the vertical direction and is greater than the thickness of second receiver board.
5. it is according to claim 1 it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, feature exists
In: the height of the metal needle is between 5-40 ㎜, and the spacing between adjacent two metal needle is between 3-20 ㎜.
6. it is according to claim 1 it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, feature exists
In: the difference of the thickness of the height and second receiver board of the metal needle is between 1-35 ㎜.
7. it is according to claim 1 it is a kind of from canted coil, at the preparation method for twisting structure micro-nano rice fiber, feature exists
In: on the same metal plate, the metal plate is embedded in first receiver board simultaneously for the bottom connection of the more metal needles
Along the vertical direction height-adjustable.
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| CN201710436177.XA CN107022794B (en) | 2017-06-12 | 2017-06-12 | It is a kind of from canted coil, at twist structure micro-nano rice fiber preparation method |
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| CN107447292B (en) * | 2017-08-10 | 2019-07-16 | 江南大学 | A kind of preparation method and applications of micro-nano spiral porous fibre |
| CN109322023B (en) * | 2018-12-05 | 2021-03-02 | 东华大学 | Device and method for preparing nanofiber/short fiber blended yarn |
| CN110257930A (en) * | 2019-06-27 | 2019-09-20 | 东华大学 | A kind of three-dimensional needle plate reception device being used to prepare fluffy electrostatic spinning nano fibre web |
| CN111826728B (en) * | 2020-07-03 | 2022-05-06 | 东华大学 | Self-curling electrostatic spinning micro-nanofiber with wool fibers as receiving substrate |
| CN111877000A (en) * | 2020-08-04 | 2020-11-03 | 孙博文 | Low-infrared-emissivity polymer nano-net and preparation method and application thereof |
| CN113046844A (en) * | 2021-04-20 | 2021-06-29 | 华南理工大学 | Method and device for preparing thick-layer oriented nanofiber |
| CN116676718B (en) * | 2023-06-08 | 2023-10-13 | 江苏臻圈科技有限公司 | Unidirectional moisture-conducting TPU elastic bandage and preparation method thereof |
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| US8551390B2 (en) * | 2010-04-12 | 2013-10-08 | The UAB Foundation | Electrospinning apparatus, methods of use, and uncompressed fibrous mesh |
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|---|---|---|---|---|
| WO2006112697A1 (en) * | 2005-04-22 | 2006-10-26 | Technische Universiteit Eindhoven | A method and a device for forming a fibre from a material and directing said fibre, using an electric field, and an object thus formed |
| CN105316787A (en) * | 2015-10-26 | 2016-02-10 | 江南大学 | High-strength electrospun nanofiber preparation technology |
| CN105727363A (en) * | 2016-02-27 | 2016-07-06 | 青岛大学 | Nylon nano fiber three-dimensional crosslinking stent and preparation method thereof |
| CN106222763A (en) * | 2016-09-13 | 2016-12-14 | 浙江大学 | A kind of electrostatic spinning apparatus preparing spiral micro nanometer fiber continuously and method thereof |
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