CN107460552A - Bubble spins key parameter and determines method - Google Patents
Bubble spins key parameter and determines method Download PDFInfo
- Publication number
- CN107460552A CN107460552A CN201710743795.9A CN201710743795A CN107460552A CN 107460552 A CN107460552 A CN 107460552A CN 201710743795 A CN201710743795 A CN 201710743795A CN 107460552 A CN107460552 A CN 107460552A
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- Prior art keywords
- bubble
- storage tank
- liquid storage
- spinning
- key parameter
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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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Key parameter is spun the present invention relates to a kind of bubble and determines method, and the bubble spins key parameter and determines that method comprises the following steps：(1) obtain spinning solution and be poured into liquid storage tank, open air pump, and the air-flow size of air pump is adjusted according to the openings of sizes of liquid storage tank, make to produce Single bubble at liquid storage tank edge of opening, record the basic parameter of the air-flow and the basic geometric parameters of liquid storage tank opening；(2) electric supply installation is opened, adjusts voltage, spinning is carried out while producing Single bubble, records the voltage and current scope and the deformation range of bubble；(3) reception device is adjusted with the distance of the liquid storage tank to collect micro Nano material, records the scope of the distance；(4) recorded above-mentioned parameter is passed through to form air bubble spinning key parameter data.By regulating and controlling the air-flow size of voltage and air pump, spinning is carried out using Single bubble, it is simple to operate, greatly reduce the drop in production process, nanofiber yield can be made higher, be more easy to obtain nanofiber.
Description
Technical field
Key parameter is spun the present invention relates to a kind of bubble and determines method, is belonged to bubble and is spun field.
Background technology
Bubble electrostatic spinning technique is to be inspired by the inspiration of spider spinning principle and create what is come, former using the mechanics of bubble
Reason, devises bubble electrostatic spinning device.The positive pole of high voltage power supply is connected in the solution, it is necessarily high in the top of liquid level generation bubble
There is one piece of reception plate earthing degree position, electrostatic field is formed between such positive source and receiver board, then in the work of the electrostatic field
Liquid level can be distributed substantially uniformly throughout with the electric charge in lower solution, mainly in bubble surface.Electric field force reaches caused by electrostatic field
To after certain value, it is possible to break through the surface tension of solution, form jet and fly to receiver board.In electrostatic field force, solution surface
The bubble of getting locked in strife of tension force and external and internal pressure is originally unstable, and walls are original also very thin and fragile, and bubble is just
It can rupture, countless jets is split into while blowing and flies to receiver board, solvent volatilizees during this period, and jet solidification is into Nanowire
One-dimensional disorder is deposited on receiver board to form nano fibrous membrane.But the stabilization of the bubble during bubble Static Spinning is difficult to control
, sometimes easily there is the situation that bubble directly flies to receiver board, has a strong impact on the quality of last nano fibrous membrane in system.
The content of the invention
Key parameter is spun it is an object of the invention to provide a kind of bubble and determines method, by the gas for regulating and controlling voltage and air pump
Size is flowed, spinning is carried out using Single bubble, it is simple to operate, solution is saved, greatly reduces the drop in production process, can make to receive
Rice fiber production is higher, is more easy to obtain nanofiber.
To reach above-mentioned purpose, the present invention provides following technical scheme：A kind of bubble spins key parameter and determines method, and it is special
Sign is that the bubble spins key parameter and determines that method comprises the following steps：
S1：Obtain spinning solution；
S2：The spinning solution is poured into liquid storage tank, opens the air pump being connected with the liquid storage tank, and according to institute
The openings of sizes for stating liquid storage tank adjusts the air-flow size of the air pump, until Single bubble is produced at liquid storage tank edge of opening, record
The basic parameter and liquid storage tank basic geometric parameters of the air-flow；
S3：Electric supply installation is opened, adjusts voltage, in the presence of electrostatic field force, until spinning is carried out on Single bubble surface,
Record the voltage and current scope and the deformation range of bubble；
S4：Reception device and the distance of the liquid storage tank are adjusted, reception device is collected the spinning micro-nano to be formed
Material, record the scope of the distance；
S5：Pass through basic parameter and liquid storage tank basic geometric parameters, the voltage and current scope and gas of recorded air-flow
The deformation range and reception distance of bubble form air bubble spinning key parameter data.
Further, the specific preparation process of the spinning solution in the step " S1 " is as follows：
S11：Spinning material is put into weighing device to weigh, and adds solvent dissolving；
S12：Magnetic rotor heating stirring is added, until solution is slightly sticky and clear, it is then that obtained solution is quiet
Cooling is put, obtains spinning solution.
Further, the electric supply installation in step " S3 " is high-voltage DC power supply.
Further, the scope of the voltage is more than 0 and is less than 100kv.
Further, the opening diameter range of liquid storage tank is more than 0 and is less than 100cm in step " S3 ".
Further, the opening shape of the liquid storage tank can also be the other shapes such as rectangle.
Further, the reception distance range of the reception device in step " S4 " is more than 0 and is less than 100cm.
Further, the basic parameter of the air-flow in step " S2 " includes the parameters such as pressure, temperature, humidity, speed.
Further, the liquid storage tank basic geometric parameters in step " S2 " include the parameter such as opening shape and size.
The beneficial effects of the present invention are：By regulating and controlling the air-flow size of voltage and air pump, spinning is carried out using Single bubble,
Determine air bubble spinning key parameter data so that the efficiency and success rate of nanofiber film preparation improve.It is simple to operate, save molten
Liquid, greatly reduce the drop in production process, nanofiber yield can be made higher, be more easy to obtain nanofiber.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is that a kind of bubble of the present invention spins the flow chart that key parameter determines method.
Fig. 2 is that a kind of bubble of the present invention spins the apparatus structure schematic diagram that key parameter determines method.
Fig. 3 is the PVA nano fibrous membrane electron microscopes that method preparation is determined using a kind of bubble spinning key parameter of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Fig. 1 and Fig. 2 are referred to, the bubble of a preferred embodiment of the invention spins key parameter and determines that method includes following step
Suddenly：
S1：Obtain spinning solution；
S2：The spinning solution is poured into liquid storage tank, opens the air pump being connected with the liquid storage tank, and according to institute
The openings of sizes for stating liquid storage tank adjusts the air-flow size of the air pump, until Single bubble is produced at liquid storage tank edge of opening, record
The basic parameter and liquid storage tank basic geometric parameters of the air-flow；
S3：Electric supply installation is opened, adjusts voltage, in the presence of electrostatic field force, until spinning is carried out on Single bubble surface,
Record the voltage and current scope and the deformation range of bubble；
S4：Reception device and the distance of the liquid storage tank are adjusted, reception device is collected the spinning micro-nano to be formed
Material, record the scope of the distance；
S5：Pass through basic parameter and liquid storage tank basic geometric parameters, the voltage and current scope and gas of recorded air-flow
The deformation range and reception distance of bubble form air bubble spinning key parameter data.
Wherein, the specific preparation process of the spinning solution in step " S1 " is as follows：
S11：Spinning material is put into weighing device to weigh, and adds solvent dissolving；
S12：Magnetic rotor heating stirring is added, until solution is slightly sticky and clear, it is then that obtained solution is quiet
Cooling is put, obtains spinning solution.
It is substantially several that the basic parameter of air-flow in step " S2 " includes parameter, the liquid storage tanks such as pressure, temperature, humidity, speed
What parameter includes the parameter such as opening shape and size.
In the present embodiment, electric supply installation 3 is high-voltage DC power supply, and the material of reception device 4 is metal (as metal
Plate), the scope of the voltage of record is more than 0 and is less than 100kv, and the voltage range can be by the gas at the edge of opening of liquid storage tank 1
Bubble is drawn into silk.The opening diameter range of liquid storage tank 1 is more than 0 and is less than 100cm, and the reception distance range of reception device 4 is
More than 0 and it is less than 100cm.In the present embodiment, the purpose for Single bubble constantly being produced at the edge of opening of liquid storage tank 1 is to reduce gas
Steep the time of handing-over so that spinning it is more efficient, effectively avoid more bubbles in spinning process between each bubble
Influence each other.By constantly adjusting the distance between reception device 4 and liquid storage tank 1, the nanofiber of different-diameter can obtain
Material.In the present embodiment, the opening shape of liquid storage tank is circle, but in other embodiments, the opening of liquid storage tank is alternatively
Other shapes, such as rectangle, depending on specific production requirement.
In the present embodiment, the spinning solution raw material used is PVA particles, but in other embodiments, this method can make
With other solution materials, as long as the spinning solution raw material is soluble in corresponding solvent produces bubble through airflow function
Any polymer.
The method of work of the present invention is as follows：A container is first placed on electronic scale and does peeling processing, then toward in container
Addition PVA particles are weighed again, are slowly added to the solution that deionized water configuration quality fraction is 10%.Again toward adding in container
One magnetic rotor, double-deck sealing is carried out with preservative film and rubber band, and be put into magnetic force heating stirrer and add in 80 DEG C of water-bath
It is stirred under heat, until solution is slightly sticky and clear, the solution left standstill obtained is cooled down.
Liquid storage tank 1 is connected with air pump 2 and accesses the positive pole of high-voltage DC power supply 3, at the 15cm above generation device
Place metal receiver board 4 and be grounded.
The spinning solution prepared is slowly poured into a diameter of 0.9cm liquid storage tank 1.Air pump 2 is slowly opened, adjusts gas
Stream size allow liquid storage tank 1 edge of opening at continual and steady generation Single bubble.Then safe distance is kept, is opened high
Dc source 3 is pressed, then adjusts air pump 2 and voltage, the Single bubble quilt at the edge of opening of liquid storage tank 1 is caused when regulation voltage is to 20kv
Silk is drawn into, the micro Nano material for preparing gained is received by the receiver board 4 above liquid storage tank.
Spinning first closes high-voltage DC power supply 3 after continuing for some time, and rapping equipment with glass bar disperses electric charge, then removes
Receiver board 4, the film for solidifying deposition on receiver board 4 is PVA nano fibrous membranes, and its form under Electronic Speculum is as shown in Figure 3.
In summary：By regulating and controlling the air-flow size of voltage and air pump, spinning is carried out using Single bubble, determines air bubble spinning
Key parameter data so that the efficiency and success rate of nanofiber film preparation improve.Reduced using Single bubble in spinning process
The time of bubble handing-over, effectively avoid more bubbles influencing each other between each bubble in spinning process；And this method
It is simple to operate, solution is saved, greatly reduces the drop in production process, nanofiber yield can be made higher, be more easy to be received
Rice fiber.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of bubble spins key parameter and determines method, it is characterised in that the bubble spins key parameter and determines that method is included such as
Lower step：
S1：Obtain spinning solution；
S2：The spinning solution is poured into liquid storage tank, opens the air pump being connected with the liquid storage tank, and according to the storage
The openings of sizes of liquid pool adjusts the air-flow size of the air pump, until producing Single bubble at liquid storage tank edge of opening, records the gas
The basic parameter and liquid storage tank basic geometric parameters of stream；
S3：Electric supply installation is opened, adjusts voltage, in the presence of electrostatic field force, until carrying out spinning, record on Single bubble surface
The deformation range of the voltage and current scope and bubble；
S4：Reception device and the distance of the liquid storage tank are adjusted, reception device is collected the spinning to form micro Nano material,
Record the scope of the distance；
S5：Pass through the basic parameter and liquid storage tank basic geometric parameters of recorded air-flow, voltage and current scope and bubble
Deformation range and reception distance form air bubble spinning key parameter data.
2. bubble as claimed in claim 1 spins key parameter and determines method, it is characterised in that the spinning in the step " S1 "
The specific preparation process of solution is as follows：
S11：Spinning material is put into weighing device to weigh, and adds solvent dissolving；
S12：Magnetic rotor heating stirring is added, until solution is slightly sticky and clear, it is then that obtained solution left standstill is cold
But, spinning solution is obtained.
3. bubble as claimed in claim 1 spins key parameter and determines method, it is characterised in that the electric supply installation in step " S3 "
For high-voltage DC power supply.
4. bubble as claimed in claim 3 spins key parameter and determines method, it is characterised in that the scope of the voltage be more than
0 and it is less than 100kv.
5. bubble as claimed in claim 1 spins key parameter and determines method, it is characterised in that liquid storage tank opens in step " S3 "
Mouthful diameter range is more than 0 and is less than 100cm.
6. bubble as claimed in claim 5 spins key parameter and determines method, it is characterised in that the opening shape of the liquid storage tank
Can also be the other shapes such as rectangle.
7. bubble as claimed in claim 1 spins key parameter and determines method, it is characterised in that the reception device in step " S4 "
Reception distance range be more than 0 and be less than 100cm.
8. bubble as claimed in claim 1 spins key parameter and determines method, it is characterised in that the base of the air-flow in step " S2 "
This parameter includes the parameters such as pressure, temperature, humidity, speed.
9. bubble as claimed in claim 1 spins key parameter and determines method, it is characterised in that the liquid storage tank base in step " S2 "
This geometric parameter includes the parameter such as opening shape and size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743795.9A CN107460552A (en) | 2017-08-25 | 2017-08-25 | Bubble spins key parameter and determines method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743795.9A CN107460552A (en) | 2017-08-25 | 2017-08-25 | Bubble spins key parameter and determines method |
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| Publication Number | Publication Date |
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| CN107460552A true CN107460552A (en) | 2017-12-12 |
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| CN201710743795.9A Pending CN107460552A (en) | 2017-08-25 | 2017-08-25 | Bubble spins key parameter and determines method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108085755A (en) * | 2018-02-12 | 2018-05-29 | 苏州大学 | Bubble generator, multi-functional air bubble spinning device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634050A (en) * | 2009-08-20 | 2010-01-27 | 东华大学 | Air-injection electrostatic spinning device for preparing nano fiber portably |
| CN204898132U (en) * | 2015-06-03 | 2015-12-23 | 苏州大学 | Multitube bubble spinning equipment |
-
2017
- 2017-08-25 CN CN201710743795.9A patent/CN107460552A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634050A (en) * | 2009-08-20 | 2010-01-27 | 东华大学 | Air-injection electrostatic spinning device for preparing nano fiber portably |
| CN204898132U (en) * | 2015-06-03 | 2015-12-23 | 苏州大学 | Multitube bubble spinning equipment |
Non-Patent Citations (2)
| Title |
|---|
| 孔海燕: "《气泡静电纺原理及纳米纤维形貌控制与应用研究》", 《中国优秀博士学位论文全文数据库》 * |
| 孔海燕: "《气泡静电纺原理及纳米纤维形貌控制与应用研究》", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108085755A (en) * | 2018-02-12 | 2018-05-29 | 苏州大学 | Bubble generator, multi-functional air bubble spinning device and method |
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Application publication date: 20171212 |
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| RJ01 | Rejection of invention patent application after publication |