CN110512291A - A kind of radial electrospinning nozzle based on diamond shape blade - Google Patents
A kind of radial electrospinning nozzle based on diamond shape blade Download PDFInfo
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- CN110512291A CN110512291A CN201810504594.8A CN201810504594A CN110512291A CN 110512291 A CN110512291 A CN 110512291A CN 201810504594 A CN201810504594 A CN 201810504594A CN 110512291 A CN110512291 A CN 110512291A
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- diamond shape
- shape blade
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- spinning
- nozzle
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention relates to a kind of radial electrospinning nozzle based on diamond shape blade, belongs to nanofiber preparation field, including radial spinning nozzle and cylindrical tube.Radial spinning nozzle is made of the identical diamond shape blade of multiple structures, and each diamond shape blade opens angled radial, radial spinning nozzle and cylindrical tube is completely embedded smooth, it can be achieved that the accessible of spin fluid transports outward.Radial electrospinning nozzle inside diameter of the present invention based on diamond shape blade is big, is conducive to avoid syringe needle blockage problem, can spinning solution system to high concentration carry out electrostatic spinning；Have the function of that the radial spinning nozzle of diamond shape blade has stable droplet, meanwhile, spinneret liquid level area is increased, multiple spinning jets can be generated, is conducive to increase spinning yield；Realize that closed controllable feed flow, solvent be not volatile using syringe pump；Diamond shape blade has point effect, can reduce energy consumption；In addition, the radial electrospinning nozzle based on diamond shape blade can be used for exchanging electrospinning.
Description
Technical field
The present invention relates to a kind of electrospinning nozzle, especially a kind of radial electrospinning nozzle based on diamond shape blade belongs to and receives
Rice fiber preparation field.
Background technique
Electrostatic spinning is the electric field force strained polymer solution generated by high-voltage DC power supply or melt to prepare nanometer
The method of fiber is to prepare one of most effective technology of nanofiber at present.Solution electrostatic spinning apparatus can be using single gold
Belong to capillary needle tubing as spinneret and realizes spinning, the skill as disclosed in patent 200420020596.3,200410025622.6 etc.
Art.But since traditional single metal capillary needle tubing electrostatic spinning yield is lower, it is unable to satisfy industrialization demand, becomes restriction
Its bottleneck problem developed.
Multiple metal kernel small needle tubes are formed Multi needle electrostatic by Theron etc. in the way of arranged in a straight line or diamond array
Device for spinning [S.A.THERON, A.L.YARIN, E.ZUSSMAN, E.KROLL.Multiple jets in
Electrospinning:experiment and modeling.Polymer, 2005,46 (9): 2889-2899.], it is domestic and
Also occur many similar patents in the world, such as 200420107832.5,201510278266.7, institute's public affairs such as WO2007035011
The technology opened.Multi needle electrostatic spinning technique spinneret position is controllable, feeding liquid measure, controllable, spinning process is stablized, and compares in yield
Have in single needle electrostatic spinning and greatly improves, but conventional metals capillary needle bore is small, syringe needle easily blocks, and inconvenient clear
It washes, this fundamentally hinders the industrialized process of Multi needle electrostatic spinning.For this purpose, to propose a large amount of needle-less quiet by researcher
The technology and equipment of Electrospun, such as: the spiral of the first generation disclosed in WO2005024101 " nanometer spider ", Lin Tong et al.
Coil electrostatic spinning apparatus [WANG X, NIU H, WANG X, LIN T.Needleless electrospinning of
Uniform nanofibers using spiral coil spinnerets [J] .Journal of Nanomaterials,
2012,2012 (10): 3-9.], bubble electrostatic spinning technique [HE J H, LIU Y, the XU L, et of He Jihuan et al.
al.Biomimic fabrication of electrospun nanofibers with high-throughput[J]
.Chaos, Solitons and Fractals, 2008,37:643-651.] etc..Compared with Multi needle electrostatic spinning technique, on
It states needle-less electrostatic spinning technique and the advantages such as greatly improves with no blocking, easy to clean and production efficiency.But such needle-less
There are still numerous common problems for electrospinning process: spinning emitter is mostly no tip-type face, and the area that pressurizes is big, Yao Jifa
Taylor cone needs higher voltage, so as to cause energy consumption height；Secondly as be that liquid surface freely recombinates to form injection stream, institute
The position and state generated with taylor cone is uncontrollable, and gained fiber thickness is irregular, product quality is difficult to control；In addition, needle-less
The emitter of electrostatic spinning is immersed in greatly in open spinning liquid container (except second generation nanometer spider, but its fluid supplier
Traversing influence normal spinning), solvent is volatile, and solution concentration changes, unstable so as to cause spinning quality.For nothing
The high problem of syringe needle electrostatic spinning energy consumption has researcher to propose based on solid needle [ZL201220297190.4], tip formula
The electrostatic spinning techniques such as [ZL201310186515.0], serration type [ZL201210347514.5], such spinneret have tip,
Spinning critical voltage and production energy consumption are greatly lowered, difficult but there are still fiber qualities caused by exploitation formula feed flow
The problem of to control.
Summary of the invention
In view of the deficiencies of the prior art, the technical problem to be solved by the invention is to provide a kind of based on diamond shape blade
Radial electrospinning nozzle solves the blocking of conventional capillary needle tube type electrostatic spinning apparatus syringe needle, inconvenient cleaning and needle-less electrostatic
The problems such as fiber quality caused by spining technology energy consumption height, open feed flow is difficult to control.
The technical solution that the present invention solves the technical problem is to provide a kind of radial electrospinning spray based on diamond shape blade
Mouth, including radial spinning nozzle and cylindrical tube.The radial spinning nozzle is located at the top or lower part of the cylindrical tube, described to put
The internal diameter of the internal diameter and the cylindrical tube of penetrating shape spinning nozzle it is completely the same and be completely embedded it is smooth, it can be achieved that spin fluid without barrier
Hinder and transports；The radial spinning nozzle is made of the identical diamond shape blade of multiple structures of circumference uniform distribution, each diamond shape blade to
Outside opening is angled, and the angular range with vertical direction is 0 °~90 ° (including 0 ° and 90 °), and diamond shape blade is generally
Metal or part are metal material；Diamond shape blade quantity is the integer between 2~10000 (including 2 and 10000)；Diamond shape blade
With a thickness of 0.1~10mm (including 0.1mm and 10mm)；Diamond shape blade is planar along its length or curved form, and along length
The length of run for spending direction is 1~50mm (including 1mm and 50mm)；The shape of diamond shape blade is diamond shape, and tip position can be with
Angle or fillet；The cylindrical tube is whole or part is that the hollow circular-tube of metal material is constituted, round tube inside diameter be 1~30mm (including
1mm and 30mm), length and wall thickness are unlimited；It, can be to table in the cylindrical tube according to the feature of polymer spinning solution system used
Face and diamond shape blade surface carry out spraying/magnetron sputtering processing of PTFE, Teflon TFE, Teflon PFA, Teflon FEP,
Be suitble to the requirement of different polymer dope systems, with reach reduce surface tension, spinning solution be not easy with spinneret surface adhesion,
The purpose for preventing spinneret from blocking；May exist certain interval between the interface of diamond shape blade and cylindrical tube, diamond shape blade
Or gapless；The cylinder bore is big, is not easy to plug, and is suitable for carrying out electrostatic to the polymer spinning solution system of high concentration
Spinning, concentration range is different depending on specific polymer dope system and changes, and range can be 20~80%；It is described to be based on diamond shape
The radial electrospinning nozzle of blade can have when being combined into array type electrostatic spinning system to realize the production of scale nanofiber
Following various arrangement mode: (1) all radial electrospinning nozzles based on diamond shape blade are respectively positioned on same plane；(2) all bases
It is located in two different planes of height in the radial electrospinning nozzle of diamond shape blade, and adjacent based on the radial of diamond shape blade
Electrospinning nozzle is not in the same plane；(3) (spacing is all radial electrospinning nozzles based on diamond shape blade at a certain distance
1~100mm, including 1mm and 100mm) be of a straight line type or shaped form arrangement；(4) the adjacent radial electrospinning based on diamond shape blade
The diamond shape leaf position of nozzle can be with same-phase or there are phase difference, i.e. certain angle is reversed in back and forth or left and right.
Compared with existing Multi needle and needle-less electrostatic spinning apparatus, the radiation based on diamond shape blade designed by the present invention
Shape electrospinning nozzle cylinder bore is big, is conducive to avoid conventional capillary syringe needle blockage problem, can be to the polymer of high concentration
Spinning solution system carries out electrostatic spinning；Radial spinning nozzle increases the interfacial tension between spinning nozzle and spinning solution, energy
It is enough to grip drop for a long time, there is stable droplet, meanwhile, radial spinning nozzle increases spinneret liquid level area, energy
Multiple spinning jets are enough generated, are conducive to increase spinning yield；Radial electrospinning nozzle based on diamond shape blade can utilize injection
Pump realizes that closed controllable feed flow, solvent be not volatile；The losenges of radial electrospinning nozzle based on diamond shape blade has tip
Effect, low energy consumption for electrostatic spinning；In addition, the radial electrospinning nozzle based on diamond shape blade can also be used for exchange electrospinning.
Detailed description of the invention
Fig. 1 is that the present invention is based on a kind of radial embodiments of electrospinning nozzle of diamond shape blade --- there are 6 diamond shape blades
Radial electrospinning nozzle arrangements schematic diagram；
Fig. 2 is that the present invention is based on a kind of radial embodiments of electrospinning nozzle of diamond shape blade --- there are 6 diamond shape blades
Radial electrospinning nozzle main view and top view；
Fig. 3 is one kind when producing the present invention is based on the radial electrospinning nozzle of diamond shape blade for scale nanofiber
Embodiment --- the electrostatic spinning head that 7 radial electrospinning nozzle linear arrays with diamond shape blade are arranged.
Specific embodiment
The present invention is further discussed below below with reference to embodiment and its attached drawing:
The present invention provides a kind of radial electrospinning nozzle (referring to Fig. 1~3) based on diamond shape blade, including radial spray
Silk mouth 11 and cylindrical tube 12.It is a kind of embodiment of the invention shown in Fig. 1 and Fig. 2 --- there is the radial of 6 diamond shape blades
Electrospinning nozzle, the radial spinning nozzle are located at the lower part of the cylindrical tube, the internal diameter of radial spinning nozzle and cylindrical tube it is interior
Diameter is completely the same and is completely embedded smooth, it can be achieved that the accessible of spin fluid transports；The radial spinning nozzle is equal by circumference
6 diamond shape blades of cloth form, and each diamond shape blade is flared out 30 °, and diamond shape blade is with a thickness of 0.2mm, and diamond shape blade is along long
It is planar to spend direction, diamond shape length of blade 4mm, diamond shape blade material is stainless steel；The cylinder tube material is stainless steel, interior
Diameter 1.6mm, length 5mm, wall thickness 0.2mm；Cylinder pipe internal surface and diamond shape blade surface do not spray/magnetron sputtering processing,
May exist the gap 0.2mm between the interface of diamond shape blade and cylindrical tube, diamond shape blade.
Shown in Fig. 3, when to be produced the present invention is based on the radial electrospinning nozzle of diamond shape blade for scale nanofiber
A kind of embodiment --- 7 with diamond shape blade radial electrospinning nozzle linear array arrange electrostatic spinning heads, wherein
Radial electrospinning nozzle comprising 7 based on diamond shape blade, the spacing of radial electrospinning nozzle are 20mm.
Claims (10)
1. a kind of radial electrospinning nozzle based on diamond shape blade, by radial spinning nozzle and cylindrical tube group with diamond shape blade
It closes, the radial spinning nozzle with diamond shape blade is located at the top or lower part of cylindrical tube, radial with diamond shape blade
The internal diameter of spinning nozzle and the internal diameter of cylindrical tube are completely the same and be completely embedded smooth, it can be achieved that the accessible of spin fluid transports.
2. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: described has water chestnut
The radial spinning nozzle of shape blade is made of the identical diamond shape blade of multiple structures of circumference uniform distribution, and each diamond shape blade is outward
It opens angled radial, is 0 °~90 ° (including 0 ° and 90 °) with the angular range of vertical direction.
3. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: described has water chestnut
The diamond shape blade quantity of the radial spinning nozzle of shape blade is the integer between 2~10000 (including 2 and 10000).
4. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: the rhomboid leaf
Piece with a thickness of 0.1~10mm (including 0.1mm and 10mm).
5. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: the rhomboid leaf
Piece is planar along its length or curved form, and length of run along its length is 1~50mm (including 1mm and 50mm).
6. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: the rhomboid leaf
Plate shape is diamond shape, and tip position can be with chamfering or fillet.
7. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: the cylindrical tube
Internal diameter is 1~30mm (including 1mm and 30mm), and length and wall thickness are unlimited.
8. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: according to polymerization used
The feature of object spinning solution system can carry out PTFE, Teflon TFE, Teflon to cylinder pipe internal surface and diamond shape blade surface
Spraying/magnetron sputtering processing of PFA, Teflon FEP, are suitble to the requirement of different polymer dope systems, to reach reduction table
Face tension, spinning solution are not easy and spinneret surface adhesion, the purpose for preventing spinneret from blocking.
9. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: described has water chestnut
The radial spinneret mouth structure of shape blade, there may be certain between the interface of diamond shape blade and cylindrical tube, diamond shape blade
Gap or gapless.
10. the radial electrospinning nozzle according to claim 1 based on diamond shape blade, it is characterised in that: described to be based on water chestnut
The radial electrospinning nozzle of shape blade, can when being combined into array type electrostatic spinning system to realize the production of scale nanofiber
Have following various arrangement mode: (1) all radial electrospinning nozzles based on diamond shape blade are respectively positioned on same plane；(2) own
Radial electrospinning nozzle based on diamond shape blade is located in two different planes of height, and the adjacent radiation based on diamond shape blade
Shape electrospinning nozzle is not in the same plane；(3) all radial electrospinning nozzles based on diamond shape blade (spacing at a certain distance
It is of a straight line type for 1~100mm, including 1mm and 100mm) or shaped form arranges；(4) the adjacent radial electricity based on diamond shape blade
The diamond shape leaf position for spinning nozzle can be with same-phase or there are phase difference, i.e. certain angle is reversed in back and forth or left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504594.8A CN110512291A (en) | 2018-05-21 | 2018-05-21 | A kind of radial electrospinning nozzle based on diamond shape blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504594.8A CN110512291A (en) | 2018-05-21 | 2018-05-21 | A kind of radial electrospinning nozzle based on diamond shape blade |
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| CN110512291A true CN110512291A (en) | 2019-11-29 |
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| CN201810504594.8A Pending CN110512291A (en) | 2018-05-21 | 2018-05-21 | A kind of radial electrospinning nozzle based on diamond shape blade |
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| CN105937057A (en) * | 2016-06-27 | 2016-09-14 | 佛山轻子精密测控技术有限公司 | Conical surface electrostatic spinning nozzle in helical line array mode |
| CN107604450A (en) * | 2017-10-10 | 2018-01-19 | 桐乡市易知简能信息技术有限公司 | A kind of melting electrostatic device for spinning |
| CN107620127A (en) * | 2016-07-14 | 2018-01-23 | 天津工业大学 | A kind of needle-less electrostatic spinning component based on fractal structure |
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2018
- 2018-05-21 CN CN201810504594.8A patent/CN110512291A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005042813A1 (en) * | 2003-10-30 | 2005-05-12 | Clean Air Technology Corp. | Electrostatic spinning equipment and method of preparing nano fiber using the same |
| KR20060128257A (en) * | 2005-06-10 | 2006-12-14 | 전북대학교산학협력단 | Method of manufacturing mats coated with nanofibers and mats manufactured thereby |
| CN101275298A (en) * | 2008-05-13 | 2008-10-01 | 华南理工大学 | Non-nozzle continuous electrostatic spinning system |
| CN101845673A (en) * | 2010-06-13 | 2010-09-29 | 东华大学 | Electric fan blade type electrostatic spinning nozzle and using method thereof |
| CN202595356U (en) * | 2012-04-01 | 2012-12-12 | 广东省医疗器械研究所 | Novel electrostatic spinning nozzle |
| CN203440506U (en) * | 2013-06-26 | 2014-02-19 | 兰州大学 | Electrostatic spinning device |
| CN105887216A (en) * | 2014-07-03 | 2016-08-24 | 福建省贝思达环保投资有限公司 | High-density electrostatic spinning conductor sprayer |
| CN105543985A (en) * | 2016-01-29 | 2016-05-04 | 佛山轻子精密测控技术有限公司 | Gap-adjustable electrostatic-spinning nozzle and array-type spinning system |
| CN105937057A (en) * | 2016-06-27 | 2016-09-14 | 佛山轻子精密测控技术有限公司 | Conical surface electrostatic spinning nozzle in helical line array mode |
| CN107620127A (en) * | 2016-07-14 | 2018-01-23 | 天津工业大学 | A kind of needle-less electrostatic spinning component based on fractal structure |
| CN107604450A (en) * | 2017-10-10 | 2018-01-19 | 桐乡市易知简能信息技术有限公司 | A kind of melting electrostatic device for spinning |
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Application publication date: 20191129 |