CN105063772A - Bubble electrostatic spinning device - Google Patents
Bubble electrostatic spinning device Download PDFInfo
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- CN105063772A CN105063772A CN201510434616.4A CN201510434616A CN105063772A CN 105063772 A CN105063772 A CN 105063772A CN 201510434616 A CN201510434616 A CN 201510434616A CN 105063772 A CN105063772 A CN 105063772A
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- electrostatic spinning
- bubble
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Abstract
The invention provides a bubble electrostatic spinning device. The spinning device comprises a breather pipe, a liquid inlet pipe, a metal net, a metal reeling type liquid storing pipe, a high-voltage power supplying device connected with the liquid storing pipe, a receiving plate directly facing the liquid storing pipe, polymer bubbles formed in the liquid storing pipe, polymer bubble projections formed on the liquid storing pipe, and polymer jet flows formed outside the liquid storing pipe. The breather pipe is connected with one end of the liquid inlet pipe and the metal net. According to the invention, a bubble generator is designed to be enclosed, effects on concentration of spinning liquid and pollution to the environment caused by solvent evaporation are avoided; then, via the cooperation of liquid charging amount, ventilation amount and the metal net, more uniform bubbles can be generated; and due to the metal reeling type liquid storing pipe, liquid drops during the spinning process are reduced, and the prepared nano-fibers has more attractive appearance. The spinning device is simple in structure, convenient to operate, simple to control and short in technological process.
Description
Technical field
The invention belongs to spinning field, particularly relate to a kind of bubble electrostatic spinning apparatus.
Background technology
Have a series of good characteristics such as very big draw ratio, high specific surface area and porosity, high surface-activity due to nanofiber, it obtains very wide application in fields such as Textile Engineering, environmental project, organizational project, biological medicine, functional composite materials.At present, electrostatic spinning technique prepares the most direct, the simple method of nanofiber, and the core of this technology high polymeric solution or melt is extracted out from capillary exit form jet, and charged jet stretches under the effect of electrostatic force, refinement obtains nanofiber.
Due to traditional electrostatic spinning apparatus yield poorly, syringe needle easily blocks, researcher constantly improves it, proposes the method that many shower nozzles syringe-type electrostatic spinning, needleless electrostatic spinning etc. produce nanofibers.Wherein, bubble electrostatic spinning apparatus a kind ofly can prepare the device of nanofiber by mass, but the bubble generator of the method still has very large room for improvement, as existing bubble electrostatic spinning apparatus spinning solution is exposed in air, thus concentration of dope is made to become large gradually along with the increase of spinning time.
For above-mentioned technical problem, be necessary to provide a kind of bubble electrostatic spinning apparatus, to overcome above-mentioned defect.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of bubble electrostatic spinning apparatus, be exposed to problem in air in order to solve existing bubble electrostatic spinning apparatus spinning solution.
For achieving the above object, the invention provides following technical scheme:
A kind of bubble electrostatic spinning apparatus, it comprises liquid storage pipe, the high voltage power supply device be connected with liquid storage pipe, the dash receiver just right with liquid storage pipe, described bubble electrostatic spinning apparatus also comprises breather pipe, feed tube, wire netting, the high polymer bubble be formed in liquid storage pipe, the high polymer bubble projection be formed on liquid storage pipe, the high polymer jet be formed at outside liquid storage pipe, and described breather pipe is connected with wire netting respectively with feed tube one end.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, described bubble electrostatic spinning apparatus is closed structure, forms airtight spinning space.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, described liquid storage pipe is made of soft and the material of conduction.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, described liquid storage pipe to be reeled at least one circle by conductive material.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, the gap at the described closed place of liquid storage pipe winding is for being less than or equal to 10 microns.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, gas and spinning solution enter liquid storage pipe from breather pipe, feed tube by wire netting simultaneously respectively.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, liquid inlet volume and throughput in direct ratio.
Preferably, in above-mentioned bubble electrostatic spinning apparatus, described wire netting surrounds network structure by metal wire, and described network structure comprises at least one deck.
Compared with prior art, the beneficial effect of technical solution of the present invention comprises:
(1) bubble generator is designed to airtight space, avoids the impact of solvent evaporates on concentration of dope and the pollution to environment;
(2) more uniform bubble is produced by cooperatively interacting between liquid inlet volume, throughput and wire netting;
(3) design of metallic coil geometric pattern liquid storage pipe decreases the generation of drop in spinning process, makes the nanofiber prepared have better pattern;
(4) structure is simple, easy to operate, control is simple, technological process is short.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing for the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of bubble electrostatic spinning apparatus of the present invention.
Wherein: breather pipe 1; Feed pipe 2; Wire netting 3; Liquid storage pipe 4; High voltage power supply device 5; Dash receiver 6; High polymer bubble 7; High polymer bubble projection 8; High polymer jet 9.
Detailed description of the invention
The invention discloses a kind of bubble electrostatic spinning apparatus, be exposed to problem in air in order to solve existing bubble electrostatic spinning apparatus spinning solution.Bubble generator is designed to airtight space by this bubble electrostatic spinning apparatus, avoids the impact of solvent evaporates on concentration of dope and the pollution to environment; More uniform bubble is produced by cooperatively interacting between liquid inlet volume, throughput and wire netting; The design of metallic coil geometric pattern liquid storage pipe decreases the generation of drop in spinning process, makes the nanofiber prepared have better pattern.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, a kind of bubble electrostatic spinning apparatus, it comprises liquid storage pipe 4, the high voltage power supply device 5 be connected with liquid storage pipe 4, dash receiver 6, breather pipe 1, feed tube 2, wire netting 3, the high polymer bubble 7 that be formed at liquid storage pipe 4 in, the high polymer bubble projection 8 that be formed at liquid storage pipe 4 on, the high polymer jet 9 that be formed at liquid storage pipe 4 outside just right with liquid storage pipe 4, and described breather pipe 1 is connected with wire netting 3 respectively with feed tube 2 one end.Gas and spinning solution enter liquid storage pipe 4 from breather pipe 1, feed tube 2 by wire netting 3 simultaneously respectively.Liquid inlet volume and throughput in direct ratio.More uniform bubble is produced by cooperatively interacting between liquid inlet volume, throughput and wire netting 3.
Described bubble electrostatic spinning apparatus is closed structure, forms airtight spinning space.By bubble electrostatic spinning apparatus is designed to airtight space, avoid the impact of solvent evaporates on concentration of dope and the pollution to environment
Described liquid storage pipe 4 is made of soft and the material of conduction.Described liquid storage pipe to be reeled at least one circle by conductive material.The gap at the described closed place of liquid storage pipe winding is for being less than or equal to 10 microns.The design of metallic coil geometric pattern liquid storage pipe 4 decreases the generation of drop in spinning process, makes the nanofiber prepared have better pattern.
Described wire netting 3 surrounds the network structures such as square, triangle or circle by metal wire, can be one deck or multilayer.
The operation principle of bubble electrostatic spinning apparatus of the present invention is: high polymer spinning solution dropwise instills from feed tube 2, open gas pump gas to breather pipe 1 simultaneously, spinning solution adhesion form bubble under airflow function on wire netting 3, progress into liquid storage pipe 4, along with air pressure in liquid storage pipe 4 increases, high polymer bubble 7 is scurried out from liquid storage pipe 4 metallic closed, forms high polymer bubble projection 8; After high polymer bubble projection 8 is stable, open the switch of high voltage power supply device 5, the electrostatic force produced, an electric field is defined between high polymer bubble projection 8 and dash receiver 6, thus form continuous high polymer jet 9, and through swinging, evaporation, thinning process, finally collects nanofiber on dash receiver 6.
In sum, compared with prior art, beneficial effect of the present invention comprises:
(1) bubble generator is designed to airtight space, avoids the impact of solvent evaporates on concentration of dope and the pollution to environment;
(2) more uniform bubble is produced by cooperatively interacting between liquid inlet volume, throughput and wire netting;
(3) design of metallic coil geometric pattern liquid storage pipe decreases the generation of drop in spinning process, makes the nanofiber prepared have better pattern;
(4) structure is simple, easy to operate, control is simple, technological process is short.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.
Claims (8)
1. a bubble electrostatic spinning apparatus, it comprises liquid storage pipe (4), the high voltage power supply device (5) be connected with liquid storage pipe (4), the dash receiver (6) just right with liquid storage pipe (4), it is characterized in that: described bubble electrostatic spinning apparatus also comprises breather pipe (1), feed tube (2), wire netting (3), be formed at the high polymer bubble (7) in liquid storage pipe (4), be formed at the high polymer bubble projection (8) on liquid storage pipe (4), be formed at liquid storage pipe (4) high polymer jet (9) outward, described breather pipe (1) and feed tube (2) one end are connected with wire netting (3) respectively.
2. bubble electrostatic spinning apparatus according to claim 1, is characterized in that: described bubble electrostatic spinning apparatus is closed structure, forms airtight spinning space.
3. bubble electrostatic spinning apparatus according to claim 1, is characterized in that: described liquid storage pipe is made of soft and the material of conduction.
4. bubble electrostatic spinning apparatus according to claim 3, is characterized in that: described liquid storage pipe to be reeled at least one circle by conductive material.
5. bubble electrostatic spinning apparatus according to claim 4, is characterized in that: the gap at the described closed place of liquid storage pipe winding is for being less than or equal to 10 microns.
6. bubble electrostatic spinning apparatus according to claim 1, is characterized in that: gas and spinning solution enter liquid storage pipe (4) from breather pipe (1), feed tube (2) by wire netting (3) simultaneously respectively.
7. bubble electrostatic spinning apparatus according to claim 6, is characterized in that: liquid inlet volume and throughput in direct ratio.
8. bubble electrostatic spinning apparatus according to claim 1, is characterized in that: described wire netting (3) surrounds network structure by metal wire, and described network structure comprises at least one deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434616.4A CN105063772B (en) | 2015-07-22 | 2015-07-22 | A kind of bubble electrostatic spinning apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434616.4A CN105063772B (en) | 2015-07-22 | 2015-07-22 | A kind of bubble electrostatic spinning apparatus |
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| Publication Number | Publication Date |
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| CN105063772A true CN105063772A (en) | 2015-11-18 |
| CN105063772B CN105063772B (en) | 2017-11-21 |
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| CN201510434616.4A Active CN105063772B (en) | 2015-07-22 | 2015-07-22 | A kind of bubble electrostatic spinning apparatus |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790698A (en) * | 1953-12-09 | 1957-04-30 | American Cyanamid Co | Process of removing impurities from fresh spun polyacrylonitrile gel filaments by directing inert gas bubbles against the filaments |
| CN101871131A (en) * | 2009-04-23 | 2010-10-27 | 廊坊高山电子科技有限公司 | Nanoparticle/polymer material composite ultrafine fiber preparation device |
| CN102691115A (en) * | 2012-06-19 | 2012-09-26 | 苏州大学 | Air bubble electrostatic spinning device |
| CN103966676A (en) * | 2014-05-05 | 2014-08-06 | 南通百博丝纳米科技有限公司 | Nano-film spinning device |
| CN205099796U (en) * | 2015-07-22 | 2016-03-23 | 苏州大学 | Bubble electrospinning device |
-
2015
- 2015-07-22 CN CN201510434616.4A patent/CN105063772B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790698A (en) * | 1953-12-09 | 1957-04-30 | American Cyanamid Co | Process of removing impurities from fresh spun polyacrylonitrile gel filaments by directing inert gas bubbles against the filaments |
| CN101871131A (en) * | 2009-04-23 | 2010-10-27 | 廊坊高山电子科技有限公司 | Nanoparticle/polymer material composite ultrafine fiber preparation device |
| CN102691115A (en) * | 2012-06-19 | 2012-09-26 | 苏州大学 | Air bubble electrostatic spinning device |
| CN103966676A (en) * | 2014-05-05 | 2014-08-06 | 南通百博丝纳米科技有限公司 | Nano-film spinning device |
| CN205099796U (en) * | 2015-07-22 | 2016-03-23 | 苏州大学 | Bubble electrospinning device |
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| CN105063772B (en) | 2017-11-21 |
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