CN201826048U - Electrospinning coaxial spinning head device - Google Patents
Electrospinning coaxial spinning head device Download PDFInfo
- Publication number
- CN201826048U CN201826048U CN2009202126418U CN200920212641U CN201826048U CN 201826048 U CN201826048 U CN 201826048U CN 2009202126418 U CN2009202126418 U CN 2009202126418U CN 200920212641 U CN200920212641 U CN 200920212641U CN 201826048 U CN201826048 U CN 201826048U
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- spinning head
- spinning
- coaxial
- head device
- electrospinning
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Abstract
The utility model relates to an electrospinning coaxial spinning head device, which includes a spinning head sleeve part (1) and a spinning head shaft core part (2), wherein the spinning head sleeve part (1) is an L-shaped tube, and the spinning head shaft core part (2) passes through the middle of the spinning head sleeve part (1) and is coaxial with a pipeline thereof. The electrospinning coaxial spinning head device is simple to apply, convenient to operate and easy to control, and a nanofibre film characterized by a core-sleeve structure can be prepared at one step in a high-voltage electric field.
Description
Technical field
The utility model belongs to spinneret preparation facilities field, particularly relates to a kind of electrospun coaxial spinning head device.
Background technology
The high-voltage electrostatic spinning technology is a kind of nano-fabrication technique of (top-down) from top to bottom, the surface tension of liquid and the viscoelastic power of making every effort to overcome the most advanced and sophisticated drop of clothes shower nozzle by extra electric field form jet, under electrostatic repulsion, Coulomb force and surface tension acting in conjunction, liquid jet after being atomized by the high frequency bending, draw, divide, drafted thousands of times in a few tens of milliseconds obtains nano-scale fiber through solvent evaporates or melt cooling at receiving terminal.This technical matters process is simple, control conveniently, select that material ranges is extensive, controllability strong and can have the nanofiber of microstructure characteristic by the sprinkler design preparation, be considered to most possibly realize a kind of method of continuous nano-fibre suitability for industrialized production, use this technology and prepare functional nano-fiber and have the expection of good prospect.
Particularly in recent years, because the upsurge of nanosecond science and technology, the research report that the applying high voltage electrostatic spinning technique prepares functional nano fibrous membrane gets more and more.At present the common situation of this technology aspect application study is: (1) will be various natural the or macromolecular materials that synthesize even nucleic acid or micromolecule such as lecithin class can form " worm " structure class material electrospinning and become nanofiber, comprise straight line fiber or helical fiber, prove that the validity of electrospinning technology prepares novel no spinning nano fibre simultaneously; (2) with a kind of fibre-forming polymer and another active component is dissolved altogether or blend after spinning, to bring into play by the mode of nanofiber or the function of enhanced activity composition, as in nanofiber, being written into a kind of medicine, in nanofiber, sneaking into a kind of inorganic functional material or sneaking into another functional polymer etc. therein.
And it is actually rare for how using the report that the preparation of this technology has the specific structural features nanofiber.In the special nanofiber of various structures, the core sheath structure nanofiber is because of many uses and enjoy the researcher to note.But because the preparation of coaxial spinneret is relatively more difficult with application, therefore this respect research is very restricted, and at this situation, the application studies a kind of novel coaxial spinneret of preparation, simple in structure, preparation is easy, easy to use, the core sheath structure fiber diameter of preparing evenly, smooth surface.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of electrospun coaxial spinning head device, has the stainless steel sleeve barrel structure, can directly dock with conventional syringe and directly control, prepare nano fibrous membrane simple, easyly with core sheath structure feature by binary channels axial flow syringe pump.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electrospun coaxial spinning head device is provided, comprise spinning headgear portion and spinning head axle core, described spinning headgear portion is a L type pipe, and described spinning head axle core passes spinning headgear portion middle part and coaxial with its pipeline.
Described sheath fluid inlet is positioned at spinning headgear subordinate end, and described core liquid inlet is positioned at spinning head axle core upper end.
Beneficial effect
That the utility model is used is simple, easy to operate, be easy to control, can single step prepare the nano fibrous membrane with core sheath structure feature under high voltage electric field.
Description of drawings
Fig. 1 is the utility model cutaway view, wherein: the same axial outlet of a-sheath fluid inlet b-core liquid inlet c-.
Fig. 2 is the utility model and syringe joint construction schematic diagram.
Fig. 3 is the utility model binary channels axial flow syringe pump control electrospinning schematic diagram.
Wherein: 3-binary channels syringe pump 4-high pressure generator 5-ground connection 6-core sheath structure fiber receiver sheet
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1 coaxial spinneret preparation
As shown in Figure 1, cast out sleeve, then the certain diameter stainless steel capillary is welded in sleeve central authorities, prepare coaxial spinneret by stainless steel billet.
Embodiment 2 coaxial spinnerets are connected with syringe
As shown in Figure 2, core liquid directly links to each other with syringe, and sheath fluid links to each other with syringe by high-elastic silica gel hose.
As shown in Figure 3, directly will be connected to such an extent that coaxial spinneret is driven on binary channels axial flow syringe pump with syringe.
The preparation of embodiment 4PVP/Eudragit L-100 core sheath structure fiber
The PVP K60 ethanolic solution of preparation 10% (W/V) is a sheath fluid, the DMAc of the Eudragit L-100 of preparation 15% (W/V): methyl alcohol (20: 80) solution is sheath fluid, is 0.5ml/h at flow, and voltage is 15kV, acceptance is adopted polarized light microscope observing apart from electrospinning under the 12cm condition.
The preparation of embodiment 5 medicine carrying thing forulic acid PVP core sheath structure fibers
The PVP K60 ethanolic solution of preparation 10% (W/V) is a sheath fluid, and the forulic acid ethanolic solution of preparation 20% (W/V) is a core liquid, is 0.5ml/h at flow, and voltage is 12kV, accepts to adopt polarized light microscope observing apart from electrospinning under the 105cm condition.
Claims (2)
1. electrospun coaxial spinning head device, comprise spinning headgear portion (1) and spinning head axle core (2), it is characterized in that: described spinning headgear portion (1) is L type pipe, and described spinning head axle core (2) passes spinning headgear portion (1) middle part and coaxial with its pipeline.
2. a kind of electrospun coaxial spinning head device according to claim 1 is characterized in that: described spinning headgear portion (1) lower end is a sheath fluid inlet (c), and described spinning head axle core (2) upper end is a core liquid inlet (b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202126418U CN201826048U (en) | 2009-12-07 | 2009-12-07 | Electrospinning coaxial spinning head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202126418U CN201826048U (en) | 2009-12-07 | 2009-12-07 | Electrospinning coaxial spinning head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826048U true CN201826048U (en) | 2011-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202126418U Expired - Fee Related CN201826048U (en) | 2009-12-07 | 2009-12-07 | Electrospinning coaxial spinning head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826048U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230231A (en) * | 2011-06-17 | 2011-11-02 | 上海理工大学 | Infrared-radiation-assisted high-voltage static spray device with coaxial spinning nozzle and application thereof |
| CN102560713A (en) * | 2011-11-08 | 2012-07-11 | 上海理工大学 | Method for preparing polyacrylonitrile nano-fiber by electrolyte solution circulation high-pressure electrostatic spinning |
| CN102776170A (en) * | 2012-07-19 | 2012-11-14 | 上海应用技术学院 | Preparation method of nanofiber immobilized enzyme in core-shell structure |
| CN104480546A (en) * | 2015-01-19 | 2015-04-01 | 上海理工大学 | Electrospinning paralleling shaft spinning head with angle correlation and application |
| CN104611773A (en) * | 2015-01-19 | 2015-05-13 | 上海理工大学 | Eccentric sleeve type parallel spinning head and application thereof |
| CN104762672A (en) * | 2015-04-23 | 2015-07-08 | 宁波斯宾拿建嵘精密机械有限公司 | Spinneret |
| CN106319648A (en) * | 2016-11-15 | 2017-01-11 | 上海理工大学 | Microfluid control spray head with parallel and coaxial parts arranged on one side, spinning device and spinning method |
-
2009
- 2009-12-07 CN CN2009202126418U patent/CN201826048U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230231A (en) * | 2011-06-17 | 2011-11-02 | 上海理工大学 | Infrared-radiation-assisted high-voltage static spray device with coaxial spinning nozzle and application thereof |
| CN102560713A (en) * | 2011-11-08 | 2012-07-11 | 上海理工大学 | Method for preparing polyacrylonitrile nano-fiber by electrolyte solution circulation high-pressure electrostatic spinning |
| CN102560713B (en) * | 2011-11-08 | 2014-08-20 | 上海理工大学 | Method for preparing polyacrylonitrile nano-fiber by electrolyte solution circulation high-pressure electrostatic spinning |
| CN102776170A (en) * | 2012-07-19 | 2012-11-14 | 上海应用技术学院 | Preparation method of nanofiber immobilized enzyme in core-shell structure |
| CN104480546A (en) * | 2015-01-19 | 2015-04-01 | 上海理工大学 | Electrospinning paralleling shaft spinning head with angle correlation and application |
| CN104611773A (en) * | 2015-01-19 | 2015-05-13 | 上海理工大学 | Eccentric sleeve type parallel spinning head and application thereof |
| CN104611773B (en) * | 2015-01-19 | 2017-01-04 | 上海理工大学 | A kind of decentralized casing spinneret arranged side by side and application thereof |
| CN104762672A (en) * | 2015-04-23 | 2015-07-08 | 宁波斯宾拿建嵘精密机械有限公司 | Spinneret |
| CN106319648A (en) * | 2016-11-15 | 2017-01-11 | 上海理工大学 | Microfluid control spray head with parallel and coaxial parts arranged on one side, spinning device and spinning method |
| CN106319648B (en) * | 2016-11-15 | 2019-02-15 | 上海理工大学 | It is a kind of arranged side by side on one side containing coaxial microfluidic control spray head, device for spinning and spinning process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20131207 |