CN105019041A - Ordered fiber preparing apparatus - Google Patents
Ordered fiber preparing apparatus Download PDFInfo
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- CN105019041A CN105019041A CN201510390318.XA CN201510390318A CN105019041A CN 105019041 A CN105019041 A CN 105019041A CN 201510390318 A CN201510390318 A CN 201510390318A CN 105019041 A CN105019041 A CN 105019041A
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- ordered fiber
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Abstract
The invention relates to an ordered fiber preparing apparatus which comprises a high voltage supply, and a syringe and a receiver electrically connected with the high voltage supply, wherein the receiver is a porous metallic flat plate facing the syringe. When the porous metallic flat plate serves as a receiver, the cost is low, and ordered fibers are prepared in holes. The ordered fiber preparing apparatus is simple and effective and is easy to realize. The diameter and shape of fibers are no changed. The ordered fiber preparing apparatus is simple, the fiber diameter, orderliness and production efficiency are adjustable, and fibers can be separated from the receiver on the premises of impaired physical structures.
Description
Technical field
The invention belongs to electrostatic spinning field, particularly relate to a kind of ordered fiber preparation facilities.
Background technology
Electrostatic spinning (electrostatic spinning) is that a kind of polymer solution or melt of utilizing forms the technique that injection stream carries out spinning process under highfield effect.In recent years, electrostatic spinning, as a kind of novel processing method preparing hyperfine fiber, causes the extensive concern of people.Successfully carry out the polymer of Electrospun processing in the world more than 30 kinds at present, comprise the natural polymers such as DNA, collagen, silk-fibroin, and polyoxyethylene, polyacrylonitrile, PLA, polyimides, nylon, polyvinyl alcohol, polycaprolactone, polyurethane etc. synthesize macromolecule.
In order to obtain the controlled nanofiber of orientation, normally do multiple improvement at receiving terminal.Mainly improved by once several mode:
1, control Electric Field Distribution, namely use auxiliary electrode or modifying device profile, thus change Electric Field Distribution;
2, mechanical system, use roller wheel discs etc. are as receiving system, and when linear velocity is suitable with spinning speed, order is better;
3, controlling magnetic field distribution, uses auxiliary magnetic field, by Lorentz lorentz's active force, liquation spinning direction is changed;
4, water-bath collecting method, slows down by electrostatic spinning speed through liquid, and multi-filament also becomes one, realizes collecting.
Although can obtain the controlled nanofiber of orientation with upper type, cost is higher, needs to add extra receiving system, and the fiber degree of order is not high.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of preparation facilities of ordered fiber, make it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of preparation facilities simply can preparing diameter, nanofiber that the degree of order is adjustable.
Ordered fiber preparation facilities of the present invention, comprises high voltage source, the syringe be electrically connected with described high voltage source and receiver, and described receiver is towards the metal plate with hole of described syringe.
Further, described hole is rectangular opening, and its width is 3-8mm, and length is 1.5-5cm.
Further, the distance between described syringe and described receiver is 5-15cm.
Further, described syringe comprises the needle tubing controlled by micro-injection pump, and the syringe needle of described needle tubing is electrically connected with described high voltage source.
Further, the operating voltage of described high voltage source is 10-20kV.
Further, described receiver is made up of aluminium foil.
By such scheme, ordered fiber preparation facilities of the present invention passes through porose metallic plate as receiver, cost is lower, ordered fiber can be prepared at hole place, simply effectively, be easy to realize, ordered fiber prepared by this device does not change fibre diameter and pattern, device is simple, and fibre diameter, order, production efficiency are adjustable, can ensure to peel off from receiver under the prerequisite that physical arrangement is complete.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1, a kind of ordered fiber preparation facilities described in a preferred embodiment of the present invention, comprises high voltage source 10, and the syringe 20 be electrically connected with high voltage source 10 and receiver 30, receiver 30 is towards the metal plate with hole of syringe 20.Receiver 30 in the present invention for radius be the circular aluminium foil having rectangular opening of 8cm, to obtain ordered fiber in specific region.
Preferably, in the present invention, on receiver 30, the width of rectangular opening is 3-8mm, and length is 1.5-5cm.With when having the aluminium foil of rectangle hole as receiver 30 in the present invention, the nanofiber at hole place has sequence, along with increase (becoming 5mm from 2mm) the fiber alignment order of rectangle aperture width improves, this is because the change of hole causes the change of electric field, thus fiber alignment order is improved; When the width of rectangular opening continues to increase, order change is little, and along with hole width increase, the fiber that hole place collects is fewer, and production efficiency gets over step-down.The consideration of comprehensive order and production efficiency, when aperture width is 3-8mm, order and production efficiency good.
Further, when implementing, for making order and production efficiency the best, aperture width can be controlled as between 4-6mm.
Because the diameter of ordered fiber, the degree of order are relevant to receiving range with production efficiency, the distance in the present invention between syringe 20 and receiver 30 is 5-15cm.Concrete, syringe 20 comprises the glass needle tubing 22 controlled by micro-injection pump 21, and the syringe needle 23 of needle tubing 22 is electrically connected with high voltage source 10, and the needle point of syringe needle 23 and the distance of receiver 30 top edge are 5-15cm.
Changing receiving range is 5cm, 10cm, 15cm, 25cm, and hole length and width are 20mm*5mm, prepare ordered fiber.When receiving range is less than 10cm, in rectangular opening, the order of fiber is better; When receiving range is 25cm, substantially without order, this is because receiving range is short, electric-field intensity is large, and electric field can better be modulated fiber.Considering order and production efficiency, is best preparation distance when receiving range is 10cm.
In sum, the ordered fiber preparation condition comparatively optimized of the present invention is: width is the rectangular opening receiver 30 of 4-6mm, and the receiving range of receiver 30 Edge Distance needle point 23 is 10cm.
Ordered fiber preparation facilities of the present invention as shown in Figure 1, during preparation, polymer solution is placed in glass needle tubing 22, polymer solution uses polycaprolactam as solute, formic acid (88%) is solvent, polycaprolactam/the formic acid solution of preparation 20%, on magnetic stirrer, stir 3h under room temperature to dissolving completely, syringe needle 23 external diameter of needle tubing 22 is 0.55mm, interior warp is 0.3mm, long 13mm, syringe needle 23 is smooth, simultaneously as electrode and spinning head.The micro-injection pump 21 that polymer solution flow is 0.2mL/h by flow controls, be 10cm at receiving range, rectangle hole length and width are 20mm*5mm, high-voltage power voltage is prepared under getting 10-20kV situation, because fiber the aluminium foil outside rectangle hole can present isotropism, have the good tunica fibrosa of sequence at rectangle hole place, therefore, utilize device of the present invention can obtain the tunica fibrosa of nanometer diameter, and the surface area of tunica fibrosa is large, order is good.In addition, change the shape in hole, as long as the network of mutual UNICOM can be formed, will cell migration be contributed to, be applicable to the situation that specific morphology requires, and can take off under the prerequisite ensureing physical integrity.
Ordered fiber preparation facilities of the present invention passes through porose metallic plate as receiver, cost is lower, ordered fiber can be prepared at hole place, effectively simple, be easy to realize, ordered fiber prepared by this device does not change fibre diameter and pattern, and device is simple, fibre diameter, order, production efficiency are adjustable, can ensure to peel off from receiver under the prerequisite that physical arrangement is complete.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. an ordered fiber preparation facilities, is characterized in that: comprise high voltage source, the syringe be electrically connected with described high voltage source and receiver, and described receiver is towards the metal plate with hole of described syringe.
2. ordered fiber preparation facilities according to claim 1, is characterized in that: described hole is rectangular opening, and its width is 3-8mm, and length is 1.5-5cm.
3. ordered fiber preparation facilities according to claim 2, is characterized in that: the distance between described syringe and described receiver is 5-15cm.
4. ordered fiber preparation facilities according to claim 3, is characterized in that: described syringe comprises the needle tubing controlled by micro-injection pump, the syringe needle of described needle tubing is electrically connected with described high voltage source.
5. ordered fiber preparation facilities according to claim 4, is characterized in that: the operating voltage of described high voltage source is 10-20kV.
6. ordered fiber preparation facilities according to claim 5, is characterized in that: described receiver is made up of aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390318.XA CN105019041A (en) | 2015-07-06 | 2015-07-06 | Ordered fiber preparing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390318.XA CN105019041A (en) | 2015-07-06 | 2015-07-06 | Ordered fiber preparing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105019041A true CN105019041A (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390318.XA Pending CN105019041A (en) | 2015-07-06 | 2015-07-06 | Ordered fiber preparing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532334A (en) * | 2016-03-18 | 2018-01-02 | 株式会社东芝 | The manufacture method of electrospinning device and accumulation body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182650A (en) * | 2007-10-30 | 2008-05-21 | 中国科学院上海硅酸盐研究所 | Preparation method of controllable patterned electricity spinning fibre congeries |
| CN102691176A (en) * | 2012-06-14 | 2012-09-26 | 东华大学 | Method for preparing patterning nanofiber membrane by utilizing insulating receiving template static spinning |
| CN103572387A (en) * | 2013-11-11 | 2014-02-12 | 北京化工大学 | Melt differential electrostatic spinning device and process |
| CN104726943A (en) * | 2015-03-06 | 2015-06-24 | 北京化工大学 | Tornado cyclone type device for preparing nano twisting electrostatic spinning nozzle |
| CN204752927U (en) * | 2015-07-06 | 2015-11-11 | 南通纺织丝绸产业技术研究院 | Orderly fibre preparation facilities |
-
2015
- 2015-07-06 CN CN201510390318.XA patent/CN105019041A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182650A (en) * | 2007-10-30 | 2008-05-21 | 中国科学院上海硅酸盐研究所 | Preparation method of controllable patterned electricity spinning fibre congeries |
| CN102691176A (en) * | 2012-06-14 | 2012-09-26 | 东华大学 | Method for preparing patterning nanofiber membrane by utilizing insulating receiving template static spinning |
| CN103572387A (en) * | 2013-11-11 | 2014-02-12 | 北京化工大学 | Melt differential electrostatic spinning device and process |
| CN104726943A (en) * | 2015-03-06 | 2015-06-24 | 北京化工大学 | Tornado cyclone type device for preparing nano twisting electrostatic spinning nozzle |
| CN204752927U (en) * | 2015-07-06 | 2015-11-11 | 南通纺织丝绸产业技术研究院 | Orderly fibre preparation facilities |
Non-Patent Citations (2)
| Title |
|---|
| DAN LI ET AL: "Collecting electrospun nanofibers with patterned electrodes", 《NANO LETTERS》 * |
| DAN LI ET AL: "Electrospinning nanofibers as uniaxially aligned arrays and layer-by-layer stacked films", 《ADVANCED MATERIALS》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532334A (en) * | 2016-03-18 | 2018-01-02 | 株式会社东芝 | The manufacture method of electrospinning device and accumulation body |
| CN107532334B (en) * | 2016-03-18 | 2019-07-16 | 株式会社东芝 | The manufacturing method of electrospinning device and accumulation body |
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Application publication date: 20151104 |