CN108385173A - The electrostatic spinning nozzle and its spinning process of liquid surface curvature and electric field separates control - Google Patents
The electrostatic spinning nozzle and its spinning process of liquid surface curvature and electric field separates control Download PDFInfo
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- CN108385173A CN108385173A CN201810375589.1A CN201810375589A CN108385173A CN 108385173 A CN108385173 A CN 108385173A CN 201810375589 A CN201810375589 A CN 201810375589A CN 108385173 A CN108385173 A CN 108385173A
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- Prior art keywords
- nozzle
- liquid surface
- bowl
- surface curvature
- electric field
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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
- 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
Abstract
The invention discloses electrostatic spinning nozzles and its spinning process that a kind of liquid surface curvature and electric field separates control.The electrostatic spinning nozzle includes the bowl-type Metallic Nozzle At The Ingot being connect with high pressure generator anode, it is internally provided with liquid surface curvature and stablizes regulation and control module, the inner wall and liquid surface curvature of bowl-type Metallic Nozzle At The Ingot form narrow annular channel between stablizing the outer wall for regulating and controlling module, and narrow annular channel is connected to by catheter with the spinning solution in spinning solution reservoir.Spinning process is：Reception device, feed flow control device are opened, injects spinning solution to narrow annular channel；Bowl-type electrostatic spinning nozzle is reciprocating immediately below reception device；High pressure generator is opened, starts to generate jet stream above narrow annular channel, jet stream forms nanofiber on the reception device.The present invention can stablize spinning solution free surface on the basis of not electric interfering field regulates and controls, and reduce solvent volatilization, and be suitable for the quick motion requirement of nozzle, realize narrow ditribution sub-micron fibers, prepared by the batch of nanofiber.
Description
Technical field
The present invention relates to electrostatic spinning nozzles and its spinning process that a kind of liquid surface curvature and electric field separates control, belong to and receive
Rice fiber and technical field of textile machine.
Background technology
When polymer fiber diameter is down to submicron-scale or nanoscale from micro-meter scale, just will appear a series of
Surprised characteristic.Such as very big volumetric surface area, the volumetric surface area of nanofiber is substantially the 1000 of micrometer fibers
Times；It can neatly carry out surface-functionalized；Superior effect and mechanicalness are shown compared with other known materials forms
Can, such as surface and interfacial effect, small-size effect, quantum size effect and quantum tunneling effect and rigidity, tensile strength.This
A little outstanding performances make nanofiber become the preferred material of many important applications, are passed in high efficiency filter, bio-medical, intelligence
The great development potentialities in fields such as sense.Consider operation possibility, stably and controllable property (including fibre diameter and its distribution), processing
Material ranges, processing take etc., electrostatic spinning processing technology just become currently the only one kind can manufacture continuous polymer nano
The method of rice fiber.With the rise and fast development of nanometer material science, using Advance in Manufacture of Nano-fibers by Electrospinning at
For the research hotspot of science of engineering materials circle.
Traditional single needle electrostatic spinning apparatus is relatively simple, is by high voltage power supply, liquid-supplying system and collection mainly
Three parts of uniting composition.Liquid-supplying system includes micro-injection pump, medical needle tubing and flat mouth metal needle, and high polymeric solution flow is by micro-
Syringe pump control is measured, the anode of high voltage power supply is connect with flat mouth metal needle, and collection system is metal plate and is grounded.High-voltage electricity
Source voltage gradually increases, and the drop of metal needle gradually forms taylor cone, when high-voltage power voltage further increases, electric field force meeting
The effects that surface tension, viscous force for overcoming high polymeric solution, forms small straight jet and then will appear the dynamic phenomenon arrival of whip
Grounded metal collecting board, in this process, solvent volatilization, high polymer are formed by curing nanofibres deposit in metal collection plate
On.
The nanofiber yield that traditional electrostatic spinning apparatus obtains is very low, it is difficult to meet nanofiber when widely applying
Demand, single needle electrostatic spinning apparatus there is also syringe needle be easy block the problem of, this can seriously affect nanofiber spinning
Process is smoothed out.
Current Electrospun nano-fibers mass preparation facilities has some reports both at home and abroad.Chinese patent
200710036447.4 disclose a kind of jet type electrostatic spinning equipment, and the device is poly- in height by being passed through gas in liquid bath bottom
Object free surface forms bubble, and bubble forms taylor cone and more jet streams to improve nanofiber yield under electric field force effect, but
There are many bubble fragments that shape size differs to be stretched by electric field force while bubble formation taylor cone in mechanism ruptures, and causes
The diameter wider distribution of fiber.And larger high polymer free surface solvent highly volatile, spinning direction are limited；Chinese patent
201310032194.9 disclosing a kind of umbrella-shaped electrostatic spinning sprayer and electrostatic spinning method, Nanowire may be implemented in this method
Prepared by the mass of dimension, but the solution Free Surface of umbrella shower nozzle is contacted with atmospheric environment, solvent highly volatile, to influence
To the stability of spinning and the quality of final nanofiber, and free surface edge solution curvature can not regulate and control；Chinese patent
201510278266.7 disclose a kind of jet auxiliary Multi needle electrostatic spinning apparatus, which can improve in the unit interval and receive
The yield of rice fiber, spinning direction is unrestricted, but there are the susceptible to plugging disadvantages of syringe needle, meanwhile, the arrangement mode of syringe needle will be examined
Influencing each other between electric field after applying high-pressure electrostatic is considered, so the design of Multi needle electrostatic spinning apparatus is relatively complicated and multiple
It is miscellaneous, it is difficult to realize the controllable nanofiber product of mass production distribution of fiber diameters.
Invention content
Technical problem to be solved by the invention is to provide the bowl-types that a kind of spinning solution curvature and spinning electric field separates control
Electrostatic spinning nozzle and its application method, spinning solution free surface to be spun is excessive during solving current batch electrostatic spinning, waits for
It is volatile to spin spinning solution solvent, the unstable problem of the quick freedom of motion liquid level of nozzle, while realizing electricity during electrostatic spinning
The Precise spraying of field and spinning solution curvature regulates and controls, and realizes narrow ditribution sub-micron fibers, prepared by the batch of nanofiber.
The present invention solve above-mentioned technical problem used technical solution be：A kind of liquid surface curvature and electric field separates control
Electrostatic spinning nozzle, which is characterized in that include the bowl-type Metallic Nozzle At The Ingot being connect with high pressure generator anode, bowl-type Metallic Nozzle At The Ingot
Opening upwards, be internally provided with adjustable relative altitude liquid surface curvature stablize regulation and control module, the inner wall of bowl-type Metallic Nozzle At The Ingot
Narrow annular channel is formed between stablizing the outer wall for regulating and controlling module with liquid surface curvature, narrow annular channel passes through catheter and spinning
Spinning solution connection in liquid reservoir, catheter are equipped with feed flow control device；Liquid surface curvature stablizes regulation and control module from bowl-type gold
Belong to and exposing in the hollow out of head of the nozzle, is connected and fixed with insulating base；Reception device is equipped with above bowl-type Metallic Nozzle At The Ingot.
Preferably, the top that the liquid surface curvature stablizes regulation and control module is spherical surface, and lower part is and bowl-type Metallic Nozzle At The Ingot inner wall
Adaptable reverse frustoconic, cone angle are 0~180 °.
It is connected between the spherical surface and the reverse frustoconic of lower part that regulate and control module top it is highly preferred that the liquid surface curvature is stablized
Height is the rounded corners of 0.5~5cm.
Preferably, the width of the narrow annular channel is 0~20mm.
Preferably, it is equipped with discharge collecting tank below the bowl-type Metallic Nozzle At The Ingot, is fixed on the outer rim of insulating base.
Preferably, the voltage regulation limits of the high pressure generator are 0-100kV.
Preferably, the bowl-type Metallic Nozzle At The Ingot is connected and fixed by transition collets with insulating base.
Preferably, the catheter passes through insulating base to connect from the hollow part of bowl-type Metallic Nozzle At The Ingot bottom with narrow annular channel
It is logical.
Preferably, the feed flow control device includes peristaltic pump and spinning solution temperature control module.
It is highly preferred that the flow-control scope of the peristaltic pump is 0-100mL/min；The temperature control of spinning solution temperature control module
Ranging from -10~50 DEG C of system.
Preferably, the reception device use translator metal roller, metal roller ground connection or with high pressure generator
Cathode connects.
Preferably, a diameter of 80~1200mm of the metal roller；The rotating speed of motor is 0~100r/min.
Preferably, the spinning solution curvature stablizes regulation and control module, insulating base, spinning solution reservoir and optional transition insulation
The material of block is polytetrafluoroethylene (PTFE).
The present invention also provides a kind of electrospinning process, which is characterized in that uses above-mentioned liquid surface curvature and spinning electric field
The bowl-type spinning nozzle for detaching control, includes the following steps：
Step 1)：Adjust the width of the distance between reception device and bowl-type Metallic Nozzle At The Ingot and narrow annular channel；It opens
Reception device；
Step 2)：Feed flow control device is opened, spinning solution temperature is adjusted, injects spinning solution to narrow annular channel；
Step 3)：Bowl-type electrostatic spinning nozzle is reciprocating immediately below reception device, its movement velocity is arranged；
Step 4)：High pressure generator is opened, voltage is slowly increased to required spinning voltage, is opened above narrow annular channel
Begin to generate jet stream, jet stream flies to reception device under high voltage electrostatic field, and after the solvent is volatilized, jet stream stretches solidification and is deposited on
Nanofiber is formed in reception device.
Preferably, the movement velocity of the bowl-type electrostatic spinning nozzle is 0~1000mm/s.
The present invention uses material to stablize regulation and control module for the spinning solution curvature of polytetrafluoroethylene (PTFE), you can restricted stability spinning solution
Curvature does not generate interference to spinning nozzle electric field again；The technology can stablize spinning solution certainly on the basis of not electric interfering field regulates and controls
By liquid level, regulate and control spinning solution liquid surface curvature, reduce solvent volatilization, and be suitable for the quick motion requirement of nozzle, realizes that narrow ditribution is sub-
The batch preparation of micrometer fibers, nanofiber, this is technically simple easy, in the energy, filtering, biology, medical field using great
Potentiality.
Description of the drawings
Fig. 1 is the schematic diagram of liquid surface curvature provided by the invention and the bowl-type electrostatic spinning nozzle of electric field separates control.
Specific implementation mode
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is coordinated to be described in detail below.
The electrostatic spinning nozzle for liquid surface curvature and the electric field separates control that embodiment 1-3 is used is as shown in Figure 1 comprising with
The bowl-type Metallic Nozzle At The Ingot 6 of 4 anode connection of high pressure generator, the opening upwards of bowl-type Metallic Nozzle At The Ingot 6 are internally provided with adjustable phase
Regulation and control module 13 is stablized to the liquid surface curvature of height, inner wall and the liquid surface curvature of bowl-type Metallic Nozzle At The Ingot 6 stablize regulation and control module 13
Narrow annular channel 14 is formed between outer wall, narrow annular channel 14 passes through the spinning in catheter 15 and spinning solution reservoir 17
Liquid 1 is connected to, and catheter 15 is connected to from the hollow part of 6 bottom of bowl-type Metallic Nozzle At The Ingot with narrow annular channel 14 across insulating base 2；It leads
Liquid pipe 15 is equipped with feed flow control device 16.Feed flow control device 16 includes peristaltic pump and spinning solution temperature control module, peristaltic pump
Flow-control scope is 0-100mL/min；The temperature controlling range of spinning solution temperature control module is -10~50 DEG C.Liquid surface curvature is steady
Control module 13 of setting the tone is exposed from the hollow out of 6 bottom of bowl-type Metallic Nozzle At The Ingot, is connected and fixed with insulating base 2, bowl-type Metallic Nozzle At The Ingot 6 is logical
Transition collets 3 are connected and fixed with insulating base 2.6 top of bowl-type Metallic Nozzle At The Ingot is equipped with reception device.Liquid surface curvature stablizes regulation and control
The top of module 13 is spherical surface (spherical surface is raised from the upper opening of bowl-type Metallic Nozzle At The Ingot 6), and lower part is and bowl-type Metallic Nozzle At The Ingot 6
The adaptable reverse frustoconic of inner wall, cone angle are 0~180 °.Liquid surface curvature stablizes the spherical surface and lower part for regulating and controlling 13 top of module
The rounded corners 7 that height is 0.5~5cm are connected between reverse frustoconic.The width of narrow annular channel 14 is 0~20mm.Bowl
6 lower section of shape Metallic Nozzle At The Ingot is equipped with discharge collecting tank 5, is fixed on the outer rim of insulating base 2.The voltage of high pressure generator 4 adjusts model
It encloses for 0-100kV.Reception device use translator 9 metal roller 10, metal roller 10 ground connection 12 or with high pressure generator 4
Cathode connects.A diameter of 80~1200mm of metal roller 10；The rotating speed of motor 9 is 0~100r/min.Spinning solution curvature is stablized
The material for regulating and controlling module 13, insulating base 2, spinning solution reservoir 17 and transition collets 3 is polytetrafluoroethylene (PTFE).
Embodiment 1
A kind of electrospinning process：
Spinning solution 1 is prepared using polyacrylonitrile (PAN) and the prepared high polymeric solution of N-N dimethylformamides (DMF)
Nanofiber.The mass fraction for preparing PAN high polymeric solutions is 10%.
The spacing for adjusting metal roller 10 and bowl-type Metallic Nozzle At The Ingot 6 is 20cm；Regulating liquid surface curvature stablizes regulation and control module 13
The narrow annular channel 14 that relative altitude formation width with insulating base 2 is 0.5mm；Motor 9 is opened, and turning for metal roller 10 is set
Speed is 60r/min；The switch for opening feed flow control device 16, injects a certain amount of spinning by peristaltic pump to narrow annular channel 14
Silk liquid 1 is completely full to surface solution；The speed that the reciprocating motion of bowl-type Metallic Nozzle At The Ingot 6 is arranged is 500mm/s；Open high pressure
Device 4 is slowly increased voltage to 70kV；A large amount of jet stream 8 generates on the spinning solution surface of certain curvature；Jet stream 8 is in high-pressure electrostatic
Metal roller 10, solvent volatilization are flown under field action, jet stream 8, which stretches to cure to be deposited on metal roller 10, forms nanofiber
11。
Embodiment 2
A kind of electrospinning process：
Spinning solution 1 is prepared using polyacrylonitrile (PAN) and the prepared high polymeric solution of N-N dimethylformamides (DMF)
Nanofiber.The mass fraction for preparing PAN high polymeric solutions is 12%.
The spacing for adjusting metal roller 10 and bowl-type Metallic Nozzle At The Ingot 6 is 18cm；Regulating liquid surface curvature stablizes regulation and control module 13
The narrow annular channel 14 that relative altitude formation width with insulating base 2 is 0.6mm；Motor 9 is opened, and turning for metal roller 10 is set
Speed is 80r/min；The switch for opening feed flow control device 16, injects a certain amount of spinning by peristaltic pump to narrow annular channel 14
Silk liquid 1 is completely full to surface solution；The speed that the reciprocating motion of bowl-type Metallic Nozzle At The Ingot 6 is arranged is 700mm/s；Open high pressure
Device 4 is slowly increased voltage to 80kV；A large amount of jet stream 8 generates on the spinning solution surface of certain curvature；Jet stream 8 is in high-pressure electrostatic
Metal roller 10, solvent volatilization are flown under field action, jet stream 8, which stretches to cure to be deposited on metal roller 10, forms nanofiber
11。
Embodiment 3
A kind of electrospinning process：
Spinning solution 1 is prepared using polyacrylonitrile (PAN) and the prepared high polymeric solution of N-N dimethylformamides (DMF)
Nanofiber.The mass fraction for preparing PAN high polymeric solutions is 14%.
The spacing for adjusting metal roller 10 and bowl-type Metallic Nozzle At The Ingot 6 is 25cm；Regulating liquid surface curvature stablizes regulation and control module 13
The narrow annular channel 14 that relative altitude formation width with insulating base 2 is 0.7mm；Motor 9 is opened, and turning for metal roller 10 is set
Speed is 90r/min；The switch for opening feed flow control device 16, injects a certain amount of spinning by peristaltic pump to narrow annular channel 14
Silk liquid 1 is completely full to surface solution；The speed that the reciprocating motion of bowl-type Metallic Nozzle At The Ingot 6 is arranged is 500mm/s；Open high pressure
Device 4 is slowly increased voltage to 70kV；A large amount of jet stream 8 generates on the spinning solution surface of certain curvature；Jet stream 8 is in high-pressure electrostatic
Metal roller 10, solvent volatilization are flown under field action, jet stream 8, which stretches to cure to be deposited on metal roller 10, forms nanofiber
11。
Claims (15)
1. a kind of liquid surface curvature and electric field separates control electrostatic spinning nozzle, which is characterized in that including with high pressure generator (4)
The bowl-type Metallic Nozzle At The Ingot (6) of anode connection, the opening upwards of bowl-type Metallic Nozzle At The Ingot (6) are internally provided with adjustable relative altitude
Liquid surface curvature stablize regulation and control module (13), the inner wall of bowl-type Metallic Nozzle At The Ingot (6) stablizes regulation and control module (13) with liquid surface curvature
Narrow annular channel (14) is formed between outer wall, narrow annular channel (14) passes through catheter (15) and spinning solution reservoir (17)
Interior spinning solution (1) connection, catheter (15) are equipped with feed flow control device (16)；Liquid surface curvature stablize regulation and control module (13) from
Expose in the hollow out of bowl-type Metallic Nozzle At The Ingot (6) bottom, is connected and fixed with insulating base (2)；It is equipped with and connects above bowl-type Metallic Nozzle At The Ingot (6)
Receiving apparatus.
2. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that the liquid
The top that face curvature stablizes regulation and control module (13) is spherical surface, and lower part is the inverted round stage being adapted with bowl-type Metallic Nozzle At The Ingot (6) inner wall
Shape, cone angle are 0~180 °.
3. the electrostatic spinning nozzle of liquid surface curvature as claimed in claim 2 and electric field separates control, which is characterized in that the liquid
Face curvature stablizes the circle for being connected with that height is 0.5~5cm between the spherical surface and the reverse frustoconic of lower part that regulate and control module (13) top
Shape chamfering (7).
4. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that the ring
The width of shape narrow-gap channel (14) is 0~20mm.
5. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that the bowl
It is equipped with discharge collecting tank (5) below shape Metallic Nozzle At The Ingot (6), is fixed on the outer rim of insulating base (2).
6. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that the height
It is 0-100kV to press the voltage regulation limits of generator (4).
7. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that the bowl
Shape Metallic Nozzle At The Ingot (6) is connected and fixed by transition collets (3) and insulating base (2).
8. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that described to lead
Liquid pipe (15) is connected to from the hollow part of bowl-type Metallic Nozzle At The Ingot (6) bottom with narrow annular channel (14) across insulating base (2).
9. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that the confession
Liquid control device (16) includes peristaltic pump and spinning solution temperature control module.
10. the electrostatic spinning nozzle of liquid surface curvature as claimed in claim 9 and electric field separates control, which is characterized in that described
The flow-control scope of peristaltic pump is 0-100mL/min；The temperature controlling range of spinning solution temperature control module is -10~50 DEG C.
11. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that described
Reception device uses the metal roller (10) of translator (9), metal roller (10) to be grounded (12) or negative with high pressure generator (4)
Pole connects.
12. the electrostatic spinning nozzle of liquid surface curvature as claimed in claim 11 and electric field separates control, which is characterized in that described
A diameter of 80~1200mm of metal roller (10)；The rotating speed of motor (9) is 0~100r/min.
13. the electrostatic spinning nozzle of liquid surface curvature as described in claim 1 and electric field separates control, which is characterized in that described
Spinning solution curvature stablizes regulation and control module (13), insulating base (2), spinning solution reservoir (17) and optional transition collets (3)
Material is polytetrafluoroethylene (PTFE).
14. a kind of electrospinning process, which is characterized in that use the liquid surface curvature described in claim 1-13 any one and spinning
The bowl-type spinning nozzle of silk electric field separates control, includes the following steps：
Step 1)：Adjust the width of the distance between reception device and bowl-type Metallic Nozzle At The Ingot (6) and narrow annular channel (14)；It beats
Open reception device；
Step 2)：Feed flow control device (16) is opened, spinning solution temperature is adjusted, injects spinning solution to narrow annular channel (14)
(1)；
Step 3)：Bowl-type electrostatic spinning nozzle (6) is reciprocating immediately below reception device, its movement velocity is arranged；
Step 4)：Open high pressure generator (4), be slowly increased voltage to required spinning voltage, narrow annular channel (14) it is upper
Side starts to generate jet stream (8), and jet stream (8) flies to reception device under high voltage electrostatic field, after the solvent is volatilized, jet stream (8)
It stretches solidification deposition and forms nanofiber (11) on the reception device.
15. electrospinning process as claimed in claim 14, which is characterized in that the fortune of the bowl-type electrostatic spinning nozzle (6)
Dynamic speed is 0~1000mm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375589.1A CN108385173B (en) | 2018-04-24 | 2018-04-24 | Electrostatic spinning nozzle with separated control of liquid level curvature and electric field and spinning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375589.1A CN108385173B (en) | 2018-04-24 | 2018-04-24 | Electrostatic spinning nozzle with separated control of liquid level curvature and electric field and spinning method thereof |
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| CN108385173A true CN108385173A (en) | 2018-08-10 |
| CN108385173B CN108385173B (en) | 2020-08-11 |
Family
ID=63064696
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| CN201810375589.1A Active CN108385173B (en) | 2018-04-24 | 2018-04-24 | Electrostatic spinning nozzle with separated control of liquid level curvature and electric field and spinning method thereof |
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Cited By (9)
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|---|---|---|---|---|
| CN109735904A (en) * | 2019-03-19 | 2019-05-10 | 南通纺织丝绸产业技术研究院 | Ball section free surface spinning process |
| CN109778324A (en) * | 2019-01-25 | 2019-05-21 | 青岛科技大学 | A kind of spherical shape free interface melt electrostatic spinning device |
| CN109837597A (en) * | 2019-03-21 | 2019-06-04 | 东华大学 | A kind of controllable free liquid level mushroom-head electrostatic spinning nozzle and its application method suitable for high-speed motion |
| CN110055599A (en) * | 2019-04-10 | 2019-07-26 | 苏州大学 | A kind of device for spinning and method of orderly control nanofiber molecular order |
| CN110117824A (en) * | 2019-05-23 | 2019-08-13 | 东华大学 | Continuous oriented nanofibers yarn electrostatic spinning apparatus and its application method |
| CN110241467A (en) * | 2019-05-23 | 2019-09-17 | 东华大学 | Inner cone angie type electrostatic spinning apparatus and its application method |
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| CN110747522A (en) * | 2019-10-31 | 2020-02-04 | 东华大学 | Electrostatic spinning device capable of uniformly supplying liquid |
| CN110055599B (en) * | 2019-04-10 | 2024-04-19 | 苏州大学 | Spinning device and method for orderly controlling molecular ordering of nanofibers |
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| CN109778324A (en) * | 2019-01-25 | 2019-05-21 | 青岛科技大学 | A kind of spherical shape free interface melt electrostatic spinning device |
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| CN109735904A (en) * | 2019-03-19 | 2019-05-10 | 南通纺织丝绸产业技术研究院 | Ball section free surface spinning process |
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| CN109837597B (en) * | 2019-03-21 | 2021-05-25 | 东华大学 | Controllable free liquid level mushroom head type electrostatic spinning nozzle suitable for high-speed movement and using method thereof |
| CN110055599A (en) * | 2019-04-10 | 2019-07-26 | 苏州大学 | A kind of device for spinning and method of orderly control nanofiber molecular order |
| CN110055599B (en) * | 2019-04-10 | 2024-04-19 | 苏州大学 | Spinning device and method for orderly controlling molecular ordering of nanofibers |
| CN110117824A (en) * | 2019-05-23 | 2019-08-13 | 东华大学 | Continuous oriented nanofibers yarn electrostatic spinning apparatus and its application method |
| CN110241467A (en) * | 2019-05-23 | 2019-09-17 | 东华大学 | Inner cone angie type electrostatic spinning apparatus and its application method |
| CN110295399A (en) * | 2019-06-27 | 2019-10-01 | 南通顶誉纺织机械科技有限公司 | A kind of brush electrostatic spinning apparatus and its application method |
| CN110747522A (en) * | 2019-10-31 | 2020-02-04 | 东华大学 | Electrostatic spinning device capable of uniformly supplying liquid |
| CN110747522B (en) * | 2019-10-31 | 2020-08-25 | 东华大学 | Electrostatic spinning device capable of uniformly supplying liquid |
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Effective date of registration: 20211203 Address after: 1882 Yan'an west road, Changning District, Shanghai Patentee after: DONGHUA University Patentee after: NARI Weikang (Shanghai) Technology Co., Ltd Address before: 200050 No. 1882, Changning District, Shanghai, West Yan'an Road Patentee before: DONGHUA University Patentee before: Nantong Dingyu Textile Machinery Technology Co., Ltd |
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