CN103173874A - High-orientation nanofiber collecting device and method - Google Patents
High-orientation nanofiber collecting device and method Download PDFInfo
- Publication number
- CN103173874A CN103173874A CN2013101346727A CN201310134672A CN103173874A CN 103173874 A CN103173874 A CN 103173874A CN 2013101346727 A CN2013101346727 A CN 2013101346727A CN 201310134672 A CN201310134672 A CN 201310134672A CN 103173874 A CN103173874 A CN 103173874A
- Authority
- CN
- China
- Prior art keywords
- metal
- height
- gathering
- guide rod
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to a high-orientation nanofiber collecting device and high-orientation nanofiber collecting method. The device comprises a metal installation disc, metal wires, a coupler, a motor, metal blades, a metal guide rod and a negative electrode high-voltage electrostatic output device; the metal wires are installed on the metal installation disc so as to form an expansion cylinder; the metal installation disc is connected with the motor through the coupler and is driven to rotate by the motor; the metal blades are distributed on the metal guide rod; the metal guide rod with the metal blades are positioned in the expansion cylinder formed by the metal wires; and the metal guide rod is connected with the negative electrode electrostatic output device. The method is characterized in that the metal blades are utilized for concentrating the electric field, and the curve instability of jet flow is reduced; the jet flow is stretched among the metal wires by utilizing capacity formed among the metal wires mutually, and finally high-orientation nanofibers are collected onto the expansion cylinder formed by the metal wires. According to the invention, the orientation degree of the orientation nanofibers is improved, and the yield is increased.
Description
Technical field
The present invention relates to the electrostatic spinning technique field, particularly relate to a kind of height-oriented nanofiber gathering-device and method.
Background technology
Electrostatic spinning is a kind of at present straightforward procedure of popular preparation nanofiber, with it possess that equipment is simple, raw material sources extensively, technical process do not destroy the characteristics such as material body, received increasing researcher's concern.Because the electrostatic spinning nano fiber fineness is thin, porosity is high, and surface area is large, and applied range can be used on filtering material, sensor, organizational project, the aspects such as medicament slow release.
Electrostatic spinning is that charged drop forms taylor cone under the electric field force effect with on polymer solution or melt band several thousand and even volt high-pressure electrostatic up to ten thousand, and when electric field force was enough large, electric field force can be bored point at taylor cone and be overcome solution surface tension and form and spray thread.The refinement that is stretched under the effects such as electric field force, viscosity resistance, surface tension of charged polymer jet, simultaneously charged jet in electric field owing to existing surface charge to bend.Thread is solvent evaporation or curing in course of injection, finally drops on receiving system, forms the nanofiber mats of similar nonwoven fabric.
Up to the present, most of electrostatic spinning nano fibers are to collect with the form of nonwoven fabric, and the arrangement of nanofiber is disorderly and unsystematic, have therefore limited its range of application.Yet we know from traditional fiber and textile industry, continuous single nanofiber and vertically the nanofiber mats of orientation have more widely and use.But, the nanofiber mats or the single nanofiber that utilize Static Spinning to produce orientations are all very difficult, because in the Static Spinning process, the motion of polymer jet is very complicated, three-dimensional " whip is moving ", and non-directional motion state, therefore domestic and international many researchers are making great efforts to study the method that makes oriented nanofibers.The method that is used at present the collection oriented nanofibers mainly contains two kinds: a kind of is to utilize the cylinder of High Rotation Speed as gathering-device, the method is had relatively high expectations to the rotating speed of cylinder, and the degree of orientation is relatively poor, some scholars utilizes the methods such as auxiliary electrode to improve, but DeGrain, utilize copper pipe to form the nanofiber that cylinder is collected orientation as Chinese patent 200810070364.1, rotating speed used is 800-1000rpm, rotating speed is still very high, and the quantity of the oriented nanofibers of collecting seldom; Another kind is the gathering-device that adopts parallel metal sheet to form, and the nanofiber degree of orientation that this device is collected is higher, but fiber is orientated variation when quantity increases, and some scholars improves on this basis, but effect is still not obvious.So up to the present, also do not produce yet higher nanofiber of the higher and output of the degree of orientation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of height-oriented nanofiber gathering-device and method, make the degree of orientation of oriented nanofibers improve, and output increases.
The technical solution adopted for the present invention to solve the technical problems is: a kind of height-oriented nanofiber gathering-device is provided, comprise metal mounting disc, wire, shaft coupling, motor, metal blade, metal guide rod and negative pole high-pressure electrostatic output device, described wire is arranged in described metal mounting disc and forms cylinder; Described metal mounting disc is connected with described motor by shaft coupling, and by described motor-driven rotation; Be distributed with metal blade on described metal guide rod, be positioned at the metal guide rod of metal blade the cylinder that is formed by described wire inner; Described metal guide rod is connected with described negative pole high-pressure electrostatic output device.
Described motor and metal guide rod are fixed on base plate by support respectively.
The mode that described wire is arranged with parallel equidistant is arranged in the same circumferential plane of described metal mounting disc, and the spacing between described wire is 0.5-3cm.
Described shaft coupling is made by metal material, and skin is sprayed with insulated paint.
Described motor skin is sprayed with insulated paint or described motor is arranged in the electrostatic screen device.
Described support and described base plate all adopt insulating materials to make.
Described metal blade is the parallel equidistant arrangement and is arranged on described metal guide rod, and described metal blade is all with the knife edge, and knife edge side is pointed to spinning head.
Spacing range between described metal blade is 0.5-5cm.
Described metal guide rod skin is sprayed with insulated paint.
The technical solution adopted for the present invention to solve the technical problems is: a kind of height-oriented nanofiber collection method also is provided, uses above-mentioned height-oriented nanofiber gathering-device, comprise the following steps:
(1) spinning solution is injected syringe, the outlet of syringe is connected with spinning head, and spinning head is fixed on the cylinder that formed by described wire directly over, anodal high-pressure electrostatic output device is connected with spinning head;
(2) open motor, drive the drum rotating that is formed by one group of wire;
(3) open anodal high-pressure electrostatic output device and negative pole high-pressure electrostatic output device;
(4) utilize described metal blade to concentrate electric field, reduce the crooked unstability of jet, and the electric capacity that utilizes described wire to form each other is stretching in jet between wire, and final height-oriented nanofiber will be collected on the cylinder that is comprised of wire.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect:
The present invention adopts one group of metal blade and is coordinated by the cylinder that one group of wire forms and collects oriented nanofibers.One group of metal blade is equivalent to auxiliary electrode, all with the sharp knife edge, can concentrate electric field, effectively reduces the crooked unstability of jet, improves the orientation of nanofiber; One group of electric capacity that wire forms each other can be stretching in jet between wire, and then effectively improves the orientation of nanofiber, and reduces the rotating speed of motor.To sum up, the nanofiber Area comparison that this invention is collected is large, and output is many, and efficient is higher.In addition, the present invention is simple in structure and can realize the continuous production of Static Spinning oriented nanofibers.
Description of drawings
Fig. 1 is the front view of height-oriented nanofiber gathering-device;
Fig. 2 is the top view of height-oriented nanofiber gathering-device;
Fig. 3 utilizes height-oriented nanofiber gathering-device to carry out the structural representation of electrostatic spinning;
Fig. 4 is the scanning electron microscope diagram that utilizes the nanofiber mats that height-oriented nanofiber gathering-device collects.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
The present invention relates to a kind of height-oriented nanofiber gathering-device, as depicted in figs. 1 and 2, comprise metal mounting disc 1, one group of wire 2, shaft coupling 3, motor 4, support 5, one group of metal blade 6, metal guide rod 7, support 8, base plate 9, earth connection 10 and negative pole high-pressure electrostatic output device 11.One group of wire 2 is parallel equidistant and arranges, be arranged on the interior cylinder that forms of same circumferential plane of metal mounting disc 1, cylinder is connected with motor 4 by shaft coupling 3, drive rotation by motor 4, motor 4 is connected with earth connection 10, is equivalent to cylinder ground connection, therefore be equivalent to electric capacity between adjacent two one metal wires 2, thereby can make nanofiber produce orientation, and it is regional to make oriented nanofibers cover whole cylinder when drum rotating, increases the collection area of oriented nanofibers.One group of metal blade 6 all is connected with metal guide rod 7, and is positioned at cylinder inside, and metal guide rod 7 connects negative pole high-pressure electrostatic output device 11, is equivalent to one group of metal blade 6 and all is with the high pressure negative electricity.Metal blade 6 parallel equidistant are arranged, and all with the sharp knife edge, knife edge side is all pointed to the spinning head with high pressure positive electricity, therefore, metal blade 6 is equivalent to auxiliary electrode, can concentrate electric field, effectively reduce the crooked unstability of jet, improve the orientation of nanofiber.Under the mating reaction of one group of metal blade 6 and the cylinder that formed by one group of wire 2, can effectively reduce the rotating speed of cylinder, eliminated the shortcoming that air-flow that conventional method high speed cylinder surface produces interrupts fiber.
In addition, the skin of shaft coupling 3, motor 4 and metal guide rod 7 all is sprayed with insulated paint, support 5 and support 8, and base plate 9 all adopts insulating materials to make, and the motor 4 of index drum rotating speed is to adopt direct current supply, can effectively avoid high voltage electric field is exerted an influence.
The below further describes the method for using height-oriented nanofiber gathering-device to carry out electrostatic spinning, as shown in Figure 3, comprise the following steps: (1) injects syringe 12 with spinning solution 15, the outlet of syringe 12 is connected with spinning head 13, and spinning head 13 is fixed on the cylinder that formed by one group of wire 2 directly over, anodal high-pressure electrostatic output device 14 is connected with spinning head 13; (2) metal guide rod 7 is connect negative pole High voltage output device 11, be equivalent to one group of metal blade, 6 band high pressure negative electricity, with motor 4 ground connection, be equivalent to the cylinder ground connection that is formed by one group of wire 2; (3) open motor 4, drive the drum rotating that is formed by one group of wire 2; (4) open anodal high-pressure electrostatic output device 14 and negative pole high-pressure electrostatic output device 11; (5) utilize metal blade 6 to concentrate electric field, reduce the crooked unstability of jet 16, and the electric capacity that utilizes wire 2 to form each other is stretching in jet 16 between wire, and final height-oriented nanofiber will be collected on the cylinder that is comprised of wire.
The solution that the below adopts polyacrylonitrile (PAN) and dimethyl formamide (DMF) to prepare carries out spinning.Be that 12% PAN solution injects syringe with concentration, the outlet of syringe is connected with spinning head, and spinning head is fixed on the cylinder that formed by one group of wire directly over, vertical range is 15cm, and anodal high-pressure electrostatic output device is connected with spinning head; Metal guide rod is connect negative pole High voltage output device, with motor ground connection; Open motor, it is 50rmp that rotating speed is set; Open anodal high-pressure electrostatic output device and negative pole high-pressure electrostatic output device, be set to respectively+18kV and-0.5kV; Height-oriented nanofiber is collected on the cylinder that is comprised of wire, and diameter is about 593nm, and as shown in Figure 4, its multiplication factor is 3000 times.
Claims (10)
1. height-oriented nanofiber gathering-device, comprise metal mounting disc (1), wire (2), shaft coupling (3), motor (4), metal blade (6), metal guide rod (7) and negative pole high-pressure electrostatic output device (11), it is characterized in that, described wire (2) is arranged on the upper cylinder that forms of described metal mounting disc (1); Described metal mounting disc (1) is connected with described motor (4) by shaft coupling (3), and drives rotation by described motor (4); Be distributed with metal blade (6) on described metal guide rod (7), be positioned at the metal guide rod (7) of metal blade (6) cylinder that is formed by described wire (2) inner; Described metal guide rod (7) is connected with described negative pole high-pressure electrostatic output device (11).
2. height-oriented nanofiber gathering-device according to claim 1, is characterized in that, described motor (4) and metal guide rod (7) are fixed on base plate (9) by support (5,8) respectively.
3. height-oriented nanofiber gathering-device according to claim 1, it is characterized in that, the mode that described wire (2) is arranged with parallel equidistant is arranged in the same circumferential plane of described metal mounting disc (1), and the spacing between described wire (2) is 0.5-3cm.
4. height-oriented nanofiber gathering-device according to claim 1, is characterized in that, described shaft coupling (3) is made by metal material, and skin is sprayed with insulated paint.
5. height-oriented nanofiber gathering-device according to claim 1, is characterized in that, described motor (4) skin is sprayed with insulated paint or described motor (4) is arranged in the electrostatic screen device.
6. height-oriented nanofiber gathering-device according to claim 2, is characterized in that, described support (5,8) and described base plate (9) all adopt insulating materials to make.
7. height-oriented nanofiber gathering-device according to claim 1, it is characterized in that, described metal blade (6) is the parallel equidistant arrangement and is arranged on described metal guide rod (7), and described metal blade (6) is all with the knife edge, and knife edge side is pointed to spinning head.
8. height-oriented nanofiber gathering-device according to claim 7, is characterized in that, the spacing range between described metal blade (6) is 0.5-5cm.
9. height-oriented nanofiber gathering-device according to claim 1, is characterized in that, described metal guide rod (7) skin is sprayed with insulated paint.
10. a height-oriented nanofiber collection method, is characterized in that, uses height-oriented nanofiber gathering-device as described in arbitrary claim in claim 1-9, comprises the following steps:
(1) spinning solution is injected syringe, the outlet of syringe is connected with spinning head, and spinning head is fixed on the cylinder that formed by described wire directly over, anodal high-pressure electrostatic output device is connected with spinning head;
(2) open motor, drive the drum rotating that is formed by one group of wire;
(3) open anodal high-pressure electrostatic output device and negative pole high-pressure electrostatic output device;
(4) utilize described metal blade to concentrate electric field, reduce the crooked unstability of jet, and the electric capacity that utilizes described wire to form each other is stretching in jet between wire, and final height-oriented nanofiber will be collected on the cylinder that is comprised of wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134672.7A CN103173874B (en) | 2013-04-17 | 2013-04-17 | High-orientation nanofiber collecting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134672.7A CN103173874B (en) | 2013-04-17 | 2013-04-17 | High-orientation nanofiber collecting device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103173874A true CN103173874A (en) | 2013-06-26 |
| CN103173874B CN103173874B (en) | 2015-07-08 |
Family
ID=48634042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310134672.7A Expired - Fee Related CN103173874B (en) | 2013-04-17 | 2013-04-17 | High-orientation nanofiber collecting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103173874B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711686A (en) * | 2015-03-04 | 2015-06-17 | 华侨大学 | Large-area batch manufacture device for ordered nanofibers |
| CN107938083A (en) * | 2018-01-05 | 2018-04-20 | 东华大学 | The homogenization distribution apparatus and method of nanofiber in a kind of mixed yarn system |
| CN110106598A (en) * | 2019-06-03 | 2019-08-09 | 北京化工大学 | A kind of Nano- fiber preparation device of high pressure shear tension off field |
| CN114232116A (en) * | 2021-12-31 | 2022-03-25 | 武汉纺织大学 | Nanofiber winding and collecting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2427382A (en) * | 2005-06-21 | 2006-12-27 | Univ Sheffield | Electrospinning of fibres |
| JP2008223186A (en) * | 2007-03-14 | 2008-09-25 | Mecc Co Ltd | Method for producing nanofibers and apparatus therefor |
| CN101298724A (en) * | 2008-06-20 | 2008-11-05 | 东华大学 | Method for producing continuous high-efficiency nano fibre nonwoven fabric and production device thereof |
| CN101363137A (en) * | 2008-09-24 | 2009-02-11 | 重庆大学 | Electrostatic spinning device for preparing directional arrangement nano fiber |
| EP2045375B1 (en) * | 2007-10-02 | 2011-03-16 | Stem Cell Technology Company | Apparatus and method for electrospinning 2D- or 3D-structures of micro- or nano-fibrous materials |
| CN102260930A (en) * | 2011-06-22 | 2011-11-30 | 东华大学 | Device for collecting orientation nano fibre and method |
| CN102493001A (en) * | 2011-11-30 | 2012-06-13 | 福建农林大学 | Roller type collector for electrostatic spinning of nano-fibres |
| CN203229606U (en) * | 2013-04-17 | 2013-10-09 | 东华大学 | Highly oriented nano-fiber collection device |
-
2013
- 2013-04-17 CN CN201310134672.7A patent/CN103173874B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2427382A (en) * | 2005-06-21 | 2006-12-27 | Univ Sheffield | Electrospinning of fibres |
| JP2008223186A (en) * | 2007-03-14 | 2008-09-25 | Mecc Co Ltd | Method for producing nanofibers and apparatus therefor |
| EP2045375B1 (en) * | 2007-10-02 | 2011-03-16 | Stem Cell Technology Company | Apparatus and method for electrospinning 2D- or 3D-structures of micro- or nano-fibrous materials |
| CN101298724A (en) * | 2008-06-20 | 2008-11-05 | 东华大学 | Method for producing continuous high-efficiency nano fibre nonwoven fabric and production device thereof |
| CN101363137A (en) * | 2008-09-24 | 2009-02-11 | 重庆大学 | Electrostatic spinning device for preparing directional arrangement nano fiber |
| CN102260930A (en) * | 2011-06-22 | 2011-11-30 | 东华大学 | Device for collecting orientation nano fibre and method |
| CN102493001A (en) * | 2011-11-30 | 2012-06-13 | 福建农林大学 | Roller type collector for electrostatic spinning of nano-fibres |
| CN203229606U (en) * | 2013-04-17 | 2013-10-09 | 东华大学 | Highly oriented nano-fiber collection device |
Non-Patent Citations (1)
| Title |
|---|
| AKBAR JAFARI ET AL: "Well-aligned nano-fiberous membranes based on three-pole electrospinning with channel electrode", 《MACROMOLECULAR RAPID COMMUNICATIONS》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711686A (en) * | 2015-03-04 | 2015-06-17 | 华侨大学 | Large-area batch manufacture device for ordered nanofibers |
| CN107938083A (en) * | 2018-01-05 | 2018-04-20 | 东华大学 | The homogenization distribution apparatus and method of nanofiber in a kind of mixed yarn system |
| CN107938083B (en) * | 2018-01-05 | 2020-08-11 | 东华大学 | Device and method for uniformly distributing nano fibers in blended yarn system |
| CN110106598A (en) * | 2019-06-03 | 2019-08-09 | 北京化工大学 | A kind of Nano- fiber preparation device of high pressure shear tension off field |
| CN110106598B (en) * | 2019-06-03 | 2024-02-02 | 北京化工大学 | Nanofiber preparation device for shearing and stretching under high-pressure field |
| CN114232116A (en) * | 2021-12-31 | 2022-03-25 | 武汉纺织大学 | Nanofiber winding and collecting device |
| CN114232116B (en) * | 2021-12-31 | 2022-09-13 | 武汉纺织大学 | Nanofiber winding and collecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103173874B (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101363137A (en) | Electrostatic spinning device for preparing directional arrangement nano fiber | |
| CN100390332C (en) | Electric device and method for spinning generation and collection | |
| CN102260930B (en) | Device for collecting orientation nano fibre and method | |
| CN102433596B (en) | Gathering unit and method for Taylor cone shower nozzle electrostatic spinning-oriented nanofiber | |
| CN103088443B (en) | Umbrella-shaped electrostatic spinning sprayer and electrostatic spinning method | |
| CN102212893B (en) | Device for preparing nano fiber twisted structure | |
| CN101818381A (en) | Novel magnetic stirring electrostatic spinning spray head and using method thereof | |
| CN106222763B (en) | A kind of continuous electrostatic spinning apparatus and its method for preparing spiral micro nanometer fiber | |
| CN210314594U (en) | Preparation device of electrostatic spinning composite air filter material | |
| CN103603065B (en) | A kind of needleless hair style electrostatic spinning apparatus | |
| CN105506758A (en) | Jagged annular needleless static spinning device and application method thereof | |
| CN103173874B (en) | High-orientation nanofiber collecting device and method | |
| CN201809485U (en) | Electric fan blade type electrostatic spinning nozzle | |
| CN104831370A (en) | Spiral airflow auxiliary electrostatic spinning device | |
| CN102181947B (en) | Excitation electrospinning device | |
| CN203583029U (en) | Fiber injection device | |
| CN101880916A (en) | Method for mass production and preparation of nano-fiber | |
| CN203420020U (en) | Thin film bubble electrostatic spinning device | |
| CN103215665A (en) | Compound annular electrode electrostatic spinning device | |
| CN101845673B (en) | Electric fan blade type electrostatic spinning nozzle and using method thereof | |
| CN203229592U (en) | Umbrella static spinning nozzle | |
| CN202273000U (en) | Device for collecting oriented nano-fibers through parallel metal plates | |
| CN203112981U (en) | Continuous preparation device of electrostatic orientation spinning nano fiber yarns | |
| CN203229606U (en) | Highly oriented nano-fiber collection device | |
| CN102234848A (en) | Device and method for collecting oriented nano fibers by using parallel metal plates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150708 Termination date: 20210417 |