CN205653541U - Bipolar electrode electrostatic spinning device - Google Patents
Bipolar electrode electrostatic spinning device Download PDFInfo
- Publication number
- CN205653541U CN205653541U CN201620107471.7U CN201620107471U CN205653541U CN 205653541 U CN205653541 U CN 205653541U CN 201620107471 U CN201620107471 U CN 201620107471U CN 205653541 U CN205653541 U CN 205653541U
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- Prior art keywords
- shower nozzle
- electrostatic spinning
- bipolar electrode
- catcher
- electrode electrostatic
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Abstract
The utility model provides a bipolar electrode electrostatic spinning device, the device includes negative pole shower nozzle (1), anodal shower nozzle (2), collector (3), tensile roller (5) tied in a bundle and take -up device (6), wherein, negative pole shower nozzle (1) and anodal shower nozzle (2) opposite direction set, the collector is located the centre of two shower nozzles, collector (3) ground connection, the axis of collector is perpendicular with the line of two shower nozzles, the vertex of a cone of collector is directional in proper order roller (5) tied in a bundle tensile and take -up device (6). The utility model also provides an use the bipolar electrode electrostatic spinning device method of carrying out the spinning.
Description
Technical field
The present invention relates to spinning field, in particular to a kind of bipolar electrode electrostatic spinning dress
Put and using method.
Background technology
Electrostatic spinning is that a kind of special fiber fabrication process, polymer solution or melt are by force
Electric field carries out jet spinning.Under electric field action, the drop at syringe needle can be become from spherical
Cone (i.e. " taylor cone "), and obtain fiber filaments from conical tip extension.This side
Formula can produce the polymer filaments of nanometer grade diameter.
Device is simple, spinning is with low cost, it is numerous to spin substance classes with its manufacture for electrostatic spinning
The advantages such as many, technique is controlled, become effectively one of main path preparing nano-fiber material.
Electrostatic spinning technique has been prepared for the nanofiber of abundant species, including organic, organic/
Inorganic compounding and inorganic nano-fiber.Along with the development of nanotechnology, electrostatic spinning is as one
The New Processing of kind simple and effective produced nanofiber, will bio-medical material,
The fields such as filtration and protection, catalysis, the energy, photoelectricity, food engineering, cosmetics play huge
Big effect.
Electrostatic spinning technique has played extremely important constructing one-dimensional nano structure material field
Effect, application electrostatic spinning technique has been successfully prepared out the Nanowire of various structures
Dimension material.By different preparation methoies, as changed nozzle structure, Control release condition etc.,
Solid, hollow, the superfine fibre of nucleocapsid structure or the two of spider reticulation structure can be obtained
Dimension fibrous membrane；By designing different collection device, it is possible to obtain single fiber, fibre bundle,
Height-oriented fiber or random orientation fibrous membrane etc..
The fiber felt that the current product form of electrostatic spinning is substantially, this flaky material can
With directly application, but the secondary workability of product and mechanical property are poor.By positive and negative double electricity
The continuous yarn that pole electrospun nanofibers bundle is constituted, then can solve problems with:
1, nano fibre yarn amount it is spun into few；2, between fiber, aligning property is poor, in random arrangement
State；3, established fiber assembly laminated structure, it is impossible to form yarn；4, can not
Continuous spinning, twisting spinning；5, secondary workability and poor mechanical property, unstable.
In view of this, the special proposition present invention.
Summary of the invention
The first object of the present invention is to provide a kind of bipolar electrode electrostatic spinning apparatus, described dress
Put have can be quantitative continuous spinning, twisting resultant yarn；Mechanical twisting continuously；Yarn fibers it
Between align；The yarn mechanics stable performance being spun into, can carry out the advantages such as secondary operations.
The second object of the present invention is that providing a kind of uses described device to carry out electrostatic spinning
Method, the method combines closely with assembly of the invention, the beneficially dress of the reasonable employment present invention
Put and carry out electrostatic spinning.
In order to realize the above-mentioned purpose of the present invention, spy by the following technical solutions:
One aspect of the present invention relates to a kind of bipolar electrode electrostatic spinning apparatus, it is characterised in that
Described device includes negative pole shower nozzle 1, positive pole shower nozzle 2, catcher 3, collection bundle drawing roller (5)
With coiler device 6, wherein, described negative pole shower nozzle 1 and described positive pole shower nozzle 2 are arranged oppositely；
Described catcher is positioned at the centre of two shower nozzles, described catcher 3 ground connection, described catcher
Axis vertical with the line of two shower nozzles, the vertex of a cone of described catcher points to described collection successively
Bundle drawing roller 5 and described coiler device 6.
The present invention draws positive and negative bipolar from high-voltage DC power supply, is connected to spinning head
On, then regulate the distance between two spinning heads and spinning head and cambered surface cylinder catcher away from
From and the distance of cambered surface cylinder catcher and coiler device.During spinning, first drive syringe pump, adjust
Good flow, the rotating speed of cambered surface cylinder catcher and coiler device winding speed, open unidirectional current
Source, is adjusted to suitable position by voltage.High polymeric solution is in electric field force and the effect of thrust
Under fly out from the tip of spinning head, after a certain distance, be deposited on cambered surface cylinder catcher
Surface, the fibre bundle obtained is pulled out, is wound up in take-up roll, it is achieved roll up continuously
Around.
Preferably, also include: connecting rod 4 and the bracket 7 for support link 4, wherein,
It is directly connected at the bottom of described connecting rod 4 and the cone of catcher 3 and can be with described in axial-rotation drive
Cambered surface cylinder catcher 3 rotates together, described bracket ground connection.
Preferably, described negative pole shower nozzle 1, positive pole shower nozzle 2 respectively with the negative pole of DC source
Being connected with positive pole, described negative pole shower nozzle and positive pole shower nozzle respectively connect a liquid storage box, and institute
The distance stated between negative pole shower nozzle 1, positive pole shower nozzle 2 is 200-500mm, preferably
300-400mm。
Preferably, described collection bundle drawing roller 5 and coiler device 6 be arranged in parallel and can be with axle
To rotation, and the two spacing is 200-1000mm, it is preferred that described collection bundle drawing roller 5
All vertical with the axis of described catcher with coiler device 6.
Preferably, described collection bundle drawing roller 5 and the distance of described cambered surface cylinder catcher 3
It is 200-800mm.
Another aspect of the present invention is directed to use with described bipolar electrode electrostatic spinning apparatus and spins
The method of silk, it is characterised in that specifically comprising the following steps that of described method
Switching on power, being sprayed to by two strands of spinning solutions respectively of positive pole shower nozzle and negative pole shower nozzle is received
The surface of storage, the spinning solution of two bursts of charges of different polarity attract each other on the surface of catcher into
And converge be incorporated in catcher the vertex of a cone formed fibre bundle, described fibre bundle through boundling, stretching and
Winding, it is achieved continuous spinning.
Preferably, the voltage arranging positive pole shower nozzle 2 in spinning process is 5-20KV, and negative pole sprays
The voltage of 1 is 4-18KV, and spinning liquid total flow is 1.2-16.0ml/h, and cambered surface cylinder is received
The rotating speed of storage 3 is 0～200r/min, and winding speed is 0～30r/min.
Preferably, described spinning liquid is polylactic acid nano yarn spinning liquid, the wherein matter of polylactic acid
Amount mark is 4-12%, and the mass fraction of Bombyx mori Silk Fibroin is 6-26%.
Preferably, described polylactic acid nano yarn spinning liquid is prepared according to following steps:
At ambient temperature, polylactic acid is taken as solute, with chloroform and N, N-dimethyl
The mixed solution of Methanamide, as solvent, after being sufficiently stirred for dissolving, prepares PLA spinning solution,
It is highly preferred that the volume ratio of chloroform and DMF is 8-10:1.
Preferably, described polylactic acid nano yarn spinning liquid is prepared according to following steps:
1) polylactic acid at ambient temperature, is taken as solute, the trichlorine with volume ratio as 9:1
The mixed solution of methane and DMF is as solvent, after being sufficiently stirred for dissolving,
Prepare PLA spinning solution；
2) bath raio of Bombyxmori Linnaeus Bombyx bombycis 1:30 is placed in 0.5% sodium carbonate liquor, boils degumming
3 times, constantly rinse with deionized water, then be dried at room temperature for；
3), after being dried, the tussah silk after degumming is placed in 50% lithium rhodanate solution
Stirring and dissolving 2h, then dialyses 3 days with bag filter, prepares Bombyx mori Silk Fibroin；
4) finally by prepared Bombyx mori Silk Fibroin lyophilization, using pure mulberry silk element as solute,
Hexafluoroisopropanol, as solvent, after being sufficiently stirred for dissolving, prepares Bombyx mori Silk Fibroin spinning solution,
After by mulberry silk spinning solution add described step 1) in preparation PLA spinning solution in make
Obtain PLA-fibroin spinning solution.
Compared with prior art, the invention have the benefit that
(1) continuous spinning that can be quantitative, twisting resultant yarn；
(2) continuous mechanical twisting；
(3) align between yarn fibers；
(4) the yarn mechanics stable performance being spun into, can carry out secondary operations.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, with
Lower the accompanying drawing used required in embodiment or description of the prior art will be briefly described.
Fig. 1 is the structural representation of the bipolar electrode electrostatic spinning apparatus of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but this
Skilled person is it will be appreciated that the following example is merely to illustrate the present invention, and should not regard
For limiting the scope of the present invention.Unreceipted actual conditions person in embodiment, according to normal condition
Or the condition of manufacturer's suggestion is carried out.Agents useful for same or instrument unreceipted production firm person, all
For the conventional products that can be obtained by commercially available purchase.
Embodiment 1
General cotton yarn, yarn as excellent in 8-10tex, by GB GB/T398, its single thread breaks
Resistance to spalling is >=1.56cN/dtex, and pure terylene yarn such as 8.1-11tex yarn, by textile industry
Standard FZ/T 12028, its single thread fracture strength is >=1.95cN/dtex.The present invention spins resultant yarn
Line, its single thread fracture strength is 5.61cN/dtex-21.695cN/dtex.
According to the standby polylactic acid yarn of following steps preparation:
1) preparation polylactic acid nano yarn spinning liquid
At ambient temperature, polylactic acid (PLA) is taken as solute, with volume ratio as 8:1
The mixed solution of chloroform and DMF as solvent, be sufficiently stirred for molten
Xie Hou, prepares PLA spinning solution.Wherein, the mass percent of PLA is 4%.
2) the bipolar electrode electrostatic spinning apparatus of the present invention is used to weave:
The positive pole syringe needle voltage of adjusting apparatus is to 5KV, and negative pole syringe needle voltage is to 4KV, spinning
Liquid total flow is to 1.2ml/h, and cambered surface cylinder catcher rotating speed is 0r/min, and winding speed is
30r/min, obtains yarn 1.
Embodiment 2
1) preparation polylactic acid nano yarn spinning liquid
At ambient temperature, polylactic acid (PLA) is taken as solute, with volume ratio as 9:1
The mixed solution of chloroform and DMF as solvent, be sufficiently stirred for molten
Xie Hou, prepares PLA spinning solution.Wherein, the mass percent of PLA is 12%.
2) the bipolar electrode electrostatic spinning apparatus of the present invention is used to weave:
The positive pole syringe needle voltage of adjusting apparatus, spins to 20KV, negative pole syringe needle voltage to 18KV
Silk liquid total flow is to 16ml/h, and cambered surface cylinder catcher rotating speed is 200r/min, winding speed
For 30r/min, obtain yarn 2.
Experimental example 3
1) preparation polylactic acid nano yarn spinning liquid
At ambient temperature, polylactic acid (PLA) is taken as solute, with volume ratio as 10:1
The mixed solution of chloroform and DMF as solvent, be sufficiently stirred for molten
Xie Hou, prepares PLA spinning solution.Wherein, the mass percent of PLA is 8%.
2) the bipolar electrode electrostatic spinning apparatus of the present invention is used to weave:
The positive pole syringe needle voltage of adjusting apparatus, spins to 11KV, negative pole syringe needle voltage to 9KV
Silk liquid total flow is to 6ml/h, and cambered surface cylinder catcher rotating speed is 100r/min, and winding speed is
25r/min, obtains yarn 3-10.
Embodiment 4
According to the standby polylactic acid yarn of following steps preparation:
1) preparation polylactic acid nano yarn spinning liquid
At ambient temperature, polylactic acid is taken as solute, three chloromethanes with volume ratio as 8:1
The mixed solution of alkane and DMF is as solvent, after being sufficiently stirred for dissolving, and system
Obtain PLA spinning solution；
The bath raio of Bombyxmori Linnaeus Bombyx bombycis 1:30 is placed in 0.5% sodium carbonate liquor, boils degumming 3
Secondary, constantly rinse with deionized water, then be dried at room temperature for；
After being dried, the tussah silk after degumming is placed in 50% lithium rhodanate solution stirring
Dissolve 2h, then dialyse 3 days with bag filter, prepare Bombyx mori Silk Fibroin；
Finally by prepared Bombyx mori Silk Fibroin lyophilization, using pure mulberry silk element as solute, six
Fluorine isopropanol, as solvent, after being sufficiently stirred for dissolving, prepares Bombyx mori Silk Fibroin spinning solution, after
Mulberry silk spinning solution is added in previous steps the PLA spinning solution of preparation prepares
PLA-fibroin spinning solution, wherein the mass percent of PLA is 4%, the quality of silkworm silk element
Percent is 6%.
2) the bipolar electrode electrostatic spinning apparatus of the present invention is used to weave:
The positive pole syringe needle voltage of adjusting apparatus is to 5KV, and negative pole syringe needle voltage is to 4KV, spinning
Liquid total flow is to 1.2ml/h, and cambered surface cylinder catcher rotating speed is 200r/min, and winding speed is
20r/min, obtains yarn 11.
Embodiment 5
1) preparation polylactic acid nano yarn spinning liquid
At ambient temperature, polylactic acid (PLA) is taken as solute, with volume ratio as 9:1
The mixed solution of chloroform and DMF as solvent, be sufficiently stirred for molten
Xie Hou, prepares PLA spinning solution.Wherein, the mass percent of PLA is 12%.
2) the bipolar electrode electrostatic spinning apparatus of the present invention is used to weave:
The positive pole syringe needle voltage of adjusting apparatus, spins to 20KV, negative pole syringe needle voltage to 18KV
Silk liquid total flow is to 16ml/h, and cambered surface cylinder catcher rotating speed is 200r/min, winding speed
For 30r/min, obtain yarn 12.
Experimental example 6
1) preparation polylactic acid nano yarn spinning liquid
At ambient temperature, polylactic acid (PLA) is taken as solute, with volume ratio as 10:1
The mixed solution of chloroform and DMF as solvent, be sufficiently stirred for molten
Xie Hou, prepares PLA spinning solution.Wherein, the mass percent of PLA is 8%.
2) the bipolar electrode electrostatic spinning apparatus of the present invention is used to weave:
The positive pole syringe needle voltage of adjusting apparatus, spins to 11KV, negative pole syringe needle voltage to 9KV
Silk liquid total flow is to 6ml/h, and cambered surface cylinder catcher rotating speed is 100r/min, and winding speed is
0r/min, obtains yarn 13-20.
Yarn diameter measures
Being measured the diameter of yarn 1-6 and 11-16, result is as shown in table 1:
| Numbering | 1 | 2 | 3 | 4 | 5 | 6 |
| Diameter (μm) | 304.313 | 312.6325 | 324.111 | 311.329 | 292.55 | 298.786 |
| Numbering | 11 | 12 | 13 | 14 | 15 | 16 |
| Diameter (μm) | 235.25 | 234.407 | 231.2535 | 229.5089 | 230.789 | 232.486 |
The Mechanics Performance Testing of nanometer yarn:
In humiture: under conditions of 21 DEG C of 65% air, use electronic mono-fiber strong force instrument (LLY-06B)
Instrument uses GB/T9997 standard, wherein spaces: 10mm speed: 10mm/min, real to the present invention
The mechanical property executing the yarn 1-20 in example is tested, wherein, and yarn 1-10 mechanical property
Can as shown in table 2, the mechanical property of yarn 11-20 is as shown in table 3:
The mechanical property of table 2PLA nanometer yarn
The mechanical property of table 3PLA nanometer yarn
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that
May be made that without departing from the spirit and scope of the present invention many other change and
Amendment.It is, therefore, intended that include in the following claims belonging in the scope of the invention
All such changes and modifications.
Claims (8)
1. a bipolar electrode electrostatic spinning apparatus, it is characterized in that, described device includes negative pole shower nozzle (1), positive pole shower nozzle (2), catcher (3), collection bundle drawing roller (5) and coiler device (6), wherein, described negative pole shower nozzle (1) and described positive pole shower nozzle (2) are arranged oppositely；Described catcher is positioned at the centre of two shower nozzles, described catcher (3) ground connection, the axis of described catcher is vertical with the line of two shower nozzles, the vertex of a cone of described catcher points to described collection bundle drawing roller (5) and described coiler device (6) successively, and described collection bundle drawing roller (5) and coiler device (6) be arranged in parallel and can be with axial rotation.
Bipolar electrode electrostatic spinning apparatus the most according to claim 1, it is characterized in that, described bipolar electrode electrostatic spinning apparatus also includes connecting rod (4) and the bracket (7) for support link (4), described connecting rod (4) is directly connected to at the bottom of the cone of catcher (3) and can rotate with axial-rotation and together with driving described catcher (3), described bracket ground connection.
Bipolar electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that described negative pole shower nozzle (1), positive pole shower nozzle (2) are connected with negative pole and the positive pole of DC source respectively.
Bipolar electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that described negative pole shower nozzle and positive pole shower nozzle respectively connect a liquid storage box.
Bipolar electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that the distance between described negative pole shower nozzle (1), positive pole shower nozzle (2) is 200-500mm.
Bipolar electrode electrostatic spinning apparatus the most according to claim 5, it is characterised in that the distance between described negative pole shower nozzle (1), positive pole shower nozzle (2) is 300-400mm.
Bipolar electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that described collection bundle drawing roller (5) is all vertical with the axis of described catcher with coiler device (6).
Bipolar electrode electrostatic spinning apparatus the most according to claim 1, it is characterised in that the distance of described collection bundle drawing roller (5) and described catcher (3) is 200-800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107471.7U CN205653541U (en) | 2016-02-02 | 2016-02-02 | Bipolar electrode electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107471.7U CN205653541U (en) | 2016-02-02 | 2016-02-02 | Bipolar electrode electrostatic spinning device |
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| Publication Number | Publication Date |
|---|---|
| CN205653541U true CN205653541U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620107471.7U Expired - Fee Related CN205653541U (en) | 2016-02-02 | 2016-02-02 | Bipolar electrode electrostatic spinning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106564A (en) * | 2019-05-23 | 2019-08-09 | 东华大学 | Oriented nanofibers yarn combination formula electrostatic spinning apparatus and its application method |
| CN115386973A (en) * | 2022-09-07 | 2022-11-25 | 兰州大学 | Method for preparing side-by-side heterojunction nano fibers through single-source double-field electrostatic spinning |
-
2016
- 2016-02-02 CN CN201620107471.7U patent/CN205653541U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106564A (en) * | 2019-05-23 | 2019-08-09 | 东华大学 | Oriented nanofibers yarn combination formula electrostatic spinning apparatus and its application method |
| CN110106564B (en) * | 2019-05-23 | 2021-08-31 | 东华大学 | Combined electrostatic spinning device for oriented nanofiber yarn and using method thereof |
| CN115386973A (en) * | 2022-09-07 | 2022-11-25 | 兰州大学 | Method for preparing side-by-side heterojunction nano fibers through single-source double-field electrostatic spinning |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20210202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |