CN106435780B - A kind of microfluidic control spray head, device for spinning and the spinning process of three Room interconnection arrangement - Google Patents
A kind of microfluidic control spray head, device for spinning and the spinning process of three Room interconnection arrangement Download PDFInfo
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- CN106435780B CN106435780B CN201611122486.1A CN201611122486A CN106435780B CN 106435780 B CN106435780 B CN 106435780B CN 201611122486 A CN201611122486 A CN 201611122486A CN 106435780 B CN106435780 B CN 106435780B
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Classifications
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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
-
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention provides a kind of microfluidic control spray heads of three Room interconnection arrangement, including a total capillary, the first tortuous capillary and the second tortuous capillary；The straightway of first tortuous capillary is arranged in total capillary, and the bending part of the first tortuous capillary is pierced by from the side of total capillary, and lateral wall of first tortuous capillary in total capillary is close to the inner sidewall of total capillary；The straightway of second tortuous capillary is arranged in total capillary, the outlet end of total capillary is stretched out in the outlet end of second tortuous capillary, the bending part of second tortuous capillary is pierced by from another flank side surface of total capillary, and lateral wall of second tortuous capillary in total capillary is close to the inner sidewall of the other side of total capillary.A kind of high-voltage electrostatic spinning device containing above-mentioned spray head is additionally provided, the nanofiber for providing the labyrinth feature of three Room interconnection arrangement can be effectivelyed prepared with single step using above-mentioned apparatus.
Description
Technical field
The invention belongs to field of nano material preparation, spray more particularly to a kind of microfluidic control of three Room interconnection arrangement
Head, a kind of multi-fluid electric spinning equipment of the microfluidic control spray head with the interconnection arrangement of three Room, and electrospinning is carried out using the device
The method that single step prepares the structure nano fiber of three Room interconnection arrangement.
Background technique
High-voltage electrostatic spinning technology (abbreviation electrospinning) is the nano-fabrication technique of a kind of (top-down) from top to bottom, is led to
Cross extra electric field power overcome spray head tip drop surface tension of liquid and viscoelastic power and form jet stream, in electrostatic repulsion, coulomb
Under power and surface tension collective effect, the liquid jet after being atomized is by high frequency flexural, drawing, division, the quilt within a few tens of milliseconds
Drawing-off thousands of times obtains nano-scale fiber in receiving end through solvent volatilization or melt are cooling.The technical matters process is simple, manipulates
Conveniently, selection material ranges are extensive, controllability is strong and can pass through sprinkler design prepares the nanometer with microstructure characteristic
Fiber, it is considered to be a kind of most possible method for realizing continuous nano-fibre industrialized production prepares function using the technology
Nanofiber is expected with good prospect.
The sharpest edges of electrospinning are that corresponding knot can be effectivelyed prepared out by the design and transformation of spinning header structure, single step
The polymer micro-nanometer fiber of structure feature, this is that the chemical synthesis process of various other " bottom-up " is impossible.Most
It the use of coaxial capillary metal sleeve is commonly that spinneret prepares core sheath structure nanofiber (Moghe AK and Gupta
BS. Co-axial electrospinning for nanofiber structures: Preparation and
applications. Polym. Rev. 2008;48:353-377.) received side by side with application left-right relation structure spinneret preparation
Rice fiber (Walther A and M ü ller AHE. Janus particles:synthesis, self-assembly,
physical properties, and applications. Chem. Rev.2013;113:5194-5261.).But base
In this concept, also more nanostructured products with labyrinth feature have to be developed.
Development of Nano-technology reduces the micro-or nano size of product merely to today to obtain the concept of relevant nanometer effectiveness
Gradually deflect away from mainstream.More attentions all concentrate on nano-device, complicated micro nano structure and relevant nanometer layer at present
In secondary structure-activity relationship.Structural integrity, micro nanometer fiber with labyrinth feature how are be effectivelyed prepared out, and is led to
It is both research hotspot and the micro manufacturing field and novel micro- of nanosecond science and technology that the structure feature for crossing fiber, which goes the function of designing them,
Nanometer product production institute key content to be solved.
The present invention is on the basis of test of many times, it then follows the behavioural characteristic of fluid and basic natural rule under high voltage electric field
Rule finds out a kind of microfluidic control spray head of three Room interconnection arrangement, using spray head assembling electric spinning equipment, implements electrospinning work
Skill can be effectivelyed prepared out structural integrity, the nanofiber that the three Room interconnection of size uniformity arranges with single step, be received for new structure
Design, preparation and the large-scale production and application of rice functional material provide may.
Summary of the invention
For above-mentioned technical problem in the prior art, the present invention provides a kind of microfluidic controls of three Room interconnection arrangement
Spray head, device for spinning and spinning process, microfluidic control spray head, device for spinning and the spinning of this three Room interconnection arrangement
Method will solve the technical issues of preparing the complex process of the structure nano fiber of three Room interconnection arrangement in the prior art.
The present invention provides a kind of microfluidic control spray head of three Room interconnection arrangement, including it is a total capillary, first curved
Bent capillary and the second tortuous capillary；First tortuous capillary includes a first straight line section and one first bending
Portion, the first straight line section are arranged in total capillary and abut the inside of total capillary, and the first bending part is from institute
One side of the total capillary stated is pierced by；Second tortuous capillary includes that a second straight line section and one are second curved
Folding part, the second straight line section are arranged in total capillary and in another of total capillary
The outlet end of total capillary is stretched out in side, the outlet end of the second tortuous capillary, and the second bending part is another from total capillary
One side is pierced by, and setting is close between the first straight line section and the second straight line section.
Further, the outlet end of first tortuous capillary is concordant with the outlet end of total capillary.
Further, the outlet end of second tortuous capillary and the outlet of first tortuous capillary are held level with both hands
Together.
Further, the outlet end of total capillary is by the first straight line section and the second straight line section point
At two gap sections, one of gap section carries out gluing closure with epoxy resin.
Further, the length of total capillary is 70 mm, and the input end of total capillary is provided with one
Interface is further, and spiral reinforcing rib is provided on the lateral wall of the interface, first tortuous capillary
Length is 55 mm；The length of second tortuous capillary 3 is 55 mm；First tortuous capillary, the second bending
The junction of capillary and interface and total capillary is all made of the sealing of epoxy resin gluing.
Further, on the lateral wall of the tail end of the bending part of first tortuous capillary and the second tortuous capillary
It is provided with the protrusion of annular.
The present invention also provides a kind of high-voltage electrostatic spinning devices, including the first syringe pump, the first syringe, the second injection
Pump, the second syringe, third syringe pump, third syringe, fiber receiver board, high pressure generator and described in claim 1 three
The microfluidic control spray head of room interconnection arrangement, first syringe are mounted in first syringe pump, and described the
One syringe is connected with the microfluidic control spray head, and second syringe is mounted in second syringe pump,
Second syringe microfluidic control spray head described by a silica gel hose connection, the third syringe installation
In the third syringe pump, the third syringe microfluidic control spray described by second silica gel hose connection
Head, the high pressure generator are connected with the microfluidic control spray head, the lower end setting of the microfluidic control spray head
There is fiber receiver board.
The present invention also provides the above-mentioned electric spinning equipments of utilization to prepare the method that three Room interconnect the structure nano fiber of arrangement,
The spinning liquid among the first arrangement is added in the first syringe, the spinning solution on second of one side is added in the second syringe
The spinning liquid of the third another side is added in third syringe for body, by high voltage electrostatic field, can single step effectively make
The structure nano fiber of the standby interconnection of three Room out arrangement.
Further, the method for the structure nano fiber of above-mentioned three Room of preparation interconnection arrangement, includes the following steps:
1) the step of preparation spinning solution, the first spinning solution be mass percent concentration be 13%Eudragit L100 and
The ethanol solution of 0.2% phosphotungstic acid；Second spinning solution is that mass percent concentration is 13%Eudragit E100 and 1% phosphotungstic acid
Ethanol solution；Third spinning solution is the Eudragit L100 ethanol solution that mass percent concentration is 13%；
2) resulting first, second, and third spinning solution of step (1) is added separately in corresponding syringe, is then turned on
First syringe pump, the second syringe pump and third syringe pump；
3) flow for controlling the first, second, and third syringe is that 0.6 ml/h opens high pressure generator, adjusts fiber
It is 15 cm that plate, which receives distance, and voltage is upgraded to 14kV and carries out electrospinning to get the structure nano fiber of three Room interconnection arrangement.
The principle of the present invention is: the specific structural features of the microfluidic control spray head of three Room interconnection arrangement are the corresponding knot of preparation
Structure nano material provides a macroscopical template, high-pressure electrostatic off field, by the interaction of high-voltage electrostatic field and fluid, several
Liquid spinning dope is drawn into solid nano fiber clear in structure within millisecond.On the other hand, the mutual townhouse in three Room of spray outlet
The fluid of column forms a round complete curve closing structure under high voltage electric field, on the one hand this closing structure is conducive to high pressure
On the other hand uniform synchro-draw of the electric field to three kinds of fluids keeps having enough contacts area between three kinds of fluids of arrangement,
It is effectively prevented caused by " identical charges repel each other " between fluid and separates.Above-mentioned principle collective effect, it is ensured that high-pressure electrostatic off field,
Accurate " duplication " of arrangement architecture feature nanofiber is interconnected from macroscopical template to microcosmic three Room.
The present invention is compared with prior art, and technological progress is significant.The high pressure of three Room interconnection arrangement of the invention is quiet
Electrical spinning method application is simple and convenient to operate, is easily controllable, can be effectively prepared out the interconnection of three Room with single step under high voltage electric field
The structure nano fiber of arrangement, and extensive amplification production can be carried out by increasing spinneret quantity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the microfluid electric injector of three Room of one kind interconnection arrangement of the invention, the total capillary of 1-, 2-
First tortuous capillary, the second tortuous capillary of 3-, 4- connector, 5- bulge loop, 6- epoxy resin.
Fig. 2 is the outlet shooting figure of the microfluid electric injector of three Room of one kind interconnection arrangement of the invention.
Fig. 3 is the structural representation of more jet stream electric spinning equipments of the microfluid electric injector containing three Room interconnection arrangement of the invention
Figure, 7- high pressure generator, the first syringe pump of 8-, the second syringe pump of 9-, 10- third syringe pump, tri- Room 11- interconnect the micro- of arrangement
Fluid electric injector, 12- fiber receiver board, the first syringe of 13-, the second syringe of 14-, 15- third syringe, 16- first are high
Elastic silica gel hose；17- the second high resiliency silica gel hose.
Fig. 4 is the structure nano that the interconnection arrangement of three Room is prepared using the microfluid electric injector electric spinning equipment of three Room interconnection arrangement
The electro-spinning process shooting figure of fiber；
Fig. 5 is the structure nano fiber scanning electron microscope electron microscope of the interconnection arrangement of three Room obtained by Application Example；
Fig. 6 is the structure nano fiber transmission electron microscope electron microscope of the interconnection arrangement of three Room obtained by Application Example.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of microfluidic control spray head of three Room interconnection arrangement, including a total capillary
Pipe 1, the first tortuous capillary 2 and the second tortuous capillary 3.
First tortuous capillary 2 includes a first straight line section and first bending part, and described first is straight
Line segment is arranged in total capillary 1 and against an inside of total capillary 1, and the first bending part is from total capillary 1
One side is pierced by；
Second tortuous capillary 3 includes a second straight line section and second bending part, and described second is straight
Line segment is arranged in total capillary 1 and on the inside of another of total capillary 1, and the second tortuous capillary 3 goes out
The outlet end of total capillary 1 is stretched out at mouth end, and the bending part of the second tortuous capillary 3 is pierced by from the another side of total capillary 1, institute
It is close to setting between the first straight line section and the second straight line section stated.
Further, the outlet end of first tortuous capillary 2 is concordant with the outlet end of total capillary 1.
Further, the outlet end of the outlet end of second tortuous capillary 3 and first tortuous capillary 1
Concordantly.
Further, the outlet end of total capillary 1 is by the first straight line section and the second straight line section
It is divided into two gap sections, one of gap section carries out gluing closure with epoxy resin.
Further, the length of total capillary 1 is 70 mm, and the input end of total capillary 1 is provided with one
A interface 4 is provided with spiral reinforcing rib, the length of first tortuous capillary 2 on the lateral wall of the interface 4
For 55 mm；The length of second tortuous capillary 3 is 55 mm；First tortuous capillary 2, second is bent capillary
The junction of pipe 3 and interface 4 and total capillary 1 is all made of 6 adhesive sealing of epoxy resin.
Further, the lateral wall of the tail end of the bending part of first tortuous capillary 2 and the second tortuous capillary 3
On be provided with annular protrusion 5.
Embodiment 2
A kind of high-voltage electrostatic spinning device of application spray head assembling, composition schematic diagram is as shown in figure 3,7- high pressure occurs
Microfluid electric injector, the 12- that device, the first syringe pump of 8-, the second syringe pump of 9-, 10- third syringe pump, the interconnection of tri- Room 11- arrange
Fiber receiver board, the first syringe of 13-, the second syringe of 14-, 15- third syringe, 16- the first high resiliency silica gel hose；
17- the second high resiliency silica gel hose.
Electric spinning equipment using the microfluidic control spray head with the interconnection arrangement of three Room implements electrospinning preparation to three fluid streams,
The specific steps of which are as follows: the first syringe 13 is mounted in the first syringe pump 8, the first spinning liquid is added in syringe 13,
Syringe 13 is directly connected to the interface end of the microfluidic control spray head 11 of three Room interconnection arrangement.Second syringe 14 is mounted on second
In syringe pump 9, the second spinning solution is added in syringe 9, spinning liquid imports three Room by the first high resiliency silica gel hose 16
In the tortuous capillary 2 for interconnecting the microfluidic control spray head 11 of arrangement.Third syringe 15 is mounted in third syringe pump 10,
Third spinning liquid is added in syringe 15, spinning liquid imports the interconnection arrangement of three Room by the second high resiliency silica gel hose 17
In the tortuous capillary 3 of microfluidic control spray head 11.High pressure generator 7 and the microfluidic control spray head 11 of three Room interconnection arrangement are logical
It crosses conducting wire to be directly connected to, 11 lower end of spray head is provided with a fiber receiver board 12, receiving distance is 15cm；Receiving plate 12 is
The hardboard of aluminium foil package, this receives plate earthing.
Application Example 1
Using a kind of high-voltage electrostatic spinning device implementation electrospinning of application spray head assembling as described in example 2, with preparation
The structure nano fiber of three Room interconnection arrangement, steps are as follows:
(1), the preparation of spinning solution
First spinning solution, mass percent concentration are the ethanol solution of 13%Eudragit L100 and 0.2% phosphotungstic acid,
Preparation method is as follows: the phosphotungstic acid of the Eudragit E100 of 13 g and 0.2 g being added in the ethyl alcohol of 76.8 g, is stirred
The ethanol solution of the Eudragit E100 and 0.2 % phosphotungstic acid that are uniformly 13% up to mass percent concentration；
Second spinning solution, mass percent concentration are the ethanol solution of 13%Eudragit L100 and 1% phosphotungstic acid, are matched
Method processed is as follows: the phosphotungstic acid of the Eudragit E100 of 13 g and 1.0 g being added in the ethyl alcohol of 76 g, is stirred evenly
Up to the ethanol solution of Eudragit E100 and 1% phosphotungstic acid that mass percent concentration is 13%；
Third spinning solution, the Eudragit L100 ethanol solution that mass percent concentration is 13%, preparation method are as follows:
The Eudragit E100 of 13 g is added in the ethyl alcohol of 77 g, stirring evenly up to mass percent concentration is 13%
The ethanol solution of Eudragit E100；
4) resulting first, second, and third spinning solution of step (1) is added separately in corresponding syringe, is then turned on
First syringe pump, the second syringe pump and third syringe pump；
5) controlling the first note, second and the flow of third syringe is 0.6 ml/h, opens high pressure generator, and adjustment is fine
Tieing up plate to receive distance is 15 cm, and voltage is upgraded to 14kV and carries out electrospinning to get the structure nano fiber of three Room interconnection arrangement.
Application Example 2
Surface is carried out using structure nano fiber of the field scan Electronic Speculum to the interconnection arrangement of three Room prepared by Application Example 1
It is observed after metal spraying, as a result as shown in Figure 5.The structure nano fiber of prepared three Room interconnection arrangement is collected uniformly and is presented good
Linear condition, diameter be 690 ± 110 nm.Prepared three Room is interconnected using high resolution transmission electron microscopy and is arranged
Structure nano fiber observed, as a result as shown in fig. 6, B1+B2+B3 formed the first Room；A and B1 forms second Room；C+B3
Form third room, in the interconnection of three Room, the first Room second Room lap position gray scale is maximum, and the gray scale of third room independent sector C is minimum.
The above is only the citing of embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the technical principles of the invention, several improvement can also be made, these improvement also should be regarded as this
The protection scope of invention.
Claims (5)
1. a kind of high-voltage electrostatic spinning device, it is characterised in that: including the first syringe pump, the first syringe, the second syringe pump,
The microfluid control of two syringes, third syringe pump, third syringe, fiber receiver board, high pressure generator and the interconnection arrangement of three Room
Spray head processed,
The microfluidic control spray head of the three Room interconnection arrangement includes that a total capillary, the first tortuous capillary and second are curved
Bent capillary；First tortuous capillary includes a first straight line section and first bending part, and described first is straight
Line segment is arranged in total capillary and abuts the inside of total capillary, the first bending part from total capillary one
A side is pierced by；Second tortuous capillary include a second straight line section and second bending part, described second
Straightway is arranged in total capillary and on the inside of another of total capillary, the second tortuous capillary
Outlet end stretch out the outlet end of total capillary, the second bending part is pierced by from the another side of total capillary, described
It is close to setting between first straight line section and the second straight line section；
First syringe is mounted in first syringe pump, first syringe and the microfluid control
Spray head connection processed, second syringe are mounted in second syringe pump, and second syringe passes through one
The silica gel hose connection microfluidic control spray head, the third syringe are mounted in the third syringe pump, institute
The third syringe the stated microfluidic control spray head described by second silica gel hose connection, the high pressure generator and institute
The microfluidic control spray head connection stated, the lower end of the microfluidic control spray head is provided with fiber receiver board；
The outlet end of first tortuous capillary is concordant with the outlet end of total capillary；
The outlet end of second tortuous capillary is concordant with the outlet end of the first tortuous capillary；
The outlet end of total capillary is divided into two space parts by the first straight line section and the second straight line section
Point, one of gap section carries out gluing closure with epoxy resin.
2. a kind of high-voltage electrostatic spinning device according to claim 1, it is characterised in that: the length of total capillary
For 70mm, the input end of total capillary is provided with an interface, is provided with spiral shape on the lateral wall of the interface
Reinforcing rib, the length of first tortuous capillary is 55mm；The length of second tortuous capillary 3 is 55mm；
The junction of first tortuous capillary, the second tortuous capillary and the interface and total capillary is all made of epoxy resin
Adhesive sealing.
3. a kind of high-voltage electrostatic spinning device according to claim 1, it is characterised in that: first tortuous capillary
With the protrusion for being provided with annular on the lateral wall of the tail end of the bending part of the second tortuous capillary.
4. the method for preparing the structure nano fiber of three Room interconnection arrangement using electric spinning equipment as described in claim 1, special
Sign is: the spinning liquid among the first arrangement being added in the first syringe, second is added in the second syringe on one side
Spinning liquid, the spinning liquid that the third another side is added in third syringe can single step by high voltage electrostatic field
Be effectively prepared out the structure nano fiber of three Room interconnection arrangement.
5. the method for the structure nano fiber of three Room of preparation interconnection arrangement as claimed in claim 4, it is characterised in that including such as
Lower step:
1) the step of preparation spinning solution, the first spinning solution be mass percent concentration be 13%Eudragit L100 and
The ethanol solution of 0.2% phosphotungstic acid；Second spinning solution is that mass percent concentration is 13%Eudragit E100 and 1.0% phosphorus
The ethanol solution of wolframic acid；Third spinning solution is the Eudragit L100 ethanol solution that mass percent concentration is 13%；
2) resulting first, second, and third spinning solution of step (1) is added separately in corresponding syringe, is then turned on first
Syringe pump, the second syringe pump and third syringe pump；
3) controlling the flow of the first, second, third syringe is 0.6ml/h, opens high pressure generator, and adjustment fiberboard receives
Voltage is upgraded to 14kV and carries out electrospinning to get the structure nano fiber of three Room interconnection arrangement by distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122486.1A CN106435780B (en) | 2016-12-08 | 2016-12-08 | A kind of microfluidic control spray head, device for spinning and the spinning process of three Room interconnection arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122486.1A CN106435780B (en) | 2016-12-08 | 2016-12-08 | A kind of microfluidic control spray head, device for spinning and the spinning process of three Room interconnection arrangement |
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| CN106435780A CN106435780A (en) | 2017-02-22 |
| CN106435780B true CN106435780B (en) | 2019-03-05 |
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| CN201611122486.1A Expired - Fee Related CN106435780B (en) | 2016-12-08 | 2016-12-08 | A kind of microfluidic control spray head, device for spinning and the spinning process of three Room interconnection arrangement |
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| CN110384687A (en) * | 2019-08-09 | 2019-10-29 | 上海理工大学附属初级中学 | A kind of nanofiber medicine film and preparation method thereof for repairing wound |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3642565A (en) * | 1968-03-21 | 1972-02-15 | Kanegafuchi Spinning Co Ltd | Composite filaments having an elastic crimping property |
| CN2682089Y (en) * | 2003-12-10 | 2005-03-02 | 同济大学 | Multiple injector electrostatic spinning device |
| CN100577897C (en) * | 2007-01-15 | 2010-01-06 | 中国科学院化学研究所 | Multi-fluid composite electrostatic spinning device |
| CN102051693B (en) * | 2011-01-20 | 2012-09-19 | 东华大学 | Split type composite electrostatic spinning device |
| 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 |
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