CN106367819B - A kind of preparation facilities of function nano line - Google Patents
A kind of preparation facilities of function nano line Download PDFInfo
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- CN106367819B CN106367819B CN201610975771.1A CN201610975771A CN106367819B CN 106367819 B CN106367819 B CN 106367819B CN 201610975771 A CN201610975771 A CN 201610975771A CN 106367819 B CN106367819 B CN 106367819B
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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
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/0023—Electro-spinning characterised by the initial state of the material the material being a polymer melt
-
- 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
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- 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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- 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
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
Abstract
The present invention relates to a kind of preparation facilities of function nano line, belong to electrostatic spinning field, includes mainly barrel, fixed plate, bolt, flow distribution plate, heating collar, runner, thickening ring, air-flow auxiliary male cone (strobilus masculinus) type electrostatic spinning nozzle, atomizer, HV generator, acrylic board with holes, electrode plate, receiving roll, cyclonic air flow auxiliary device, airflow duct, mixer, regulating valve, flange, air-jet device, functional particles A, air pump and functional particles B.In the built-in functional particle A and functional particles B of air-jet device, it is divided in two parts up and down of airflow duct.Functional particles are sprayed into airflow pipeline by upper and lower two air-jet devices equipped with functional particles respectively, realize interior outer cladding of the functional particles to nanofiber.The present invention is finally made inside and outside functional particles and wraps up in attached nanofiber, realizes the multifunction of nanofiber.Whole device is easy to operate, can quickly prepare function nano line, and fibre diameter is uniform, favorable orientation, high-efficiency environment friendly, and yield is considerable.
Description
Technical field
The present invention relates to a kind of melt differential electrostatic spinning dresses quickly preparing function nano line with airflow facilitating arrangement
It sets, belongs to electrostatic spinning field.
Background technology
Nanofiber is due to its unique structure and superior performance, in biochemical protection, high efficiency filter, support materials and life
Object medicine and other fields have broad application prospects, and assigning nanofiber functionalization is particularly important.Using electrostatic spinning
The functional nano-fiber material of technological design and preparation is one of the research hotspot of current field of nanometer material technology.
It is mainly to carry out spinning by the blending of solution to prepare functional nano-fiber with electrospinning process at present.China
Patent of invention (application number：201510216599.7) a kind of Poly-crown ether composite nano-fiber material and the preparation method and application thereof profit
It is mixed after being dissolved with base material with Poly-crown ether, forms mixed solution, be spun into the mixed solution with method of electrostatic spinning
Poly-crown ether functionalized nano-fiber.Although this method can prepare functional fibre, it carries out solution using toxic solvent
Electrospinning pollutes environment, low production efficiency.And the present invention prepares function nano line using melt differential electrostatic spinning apparatus, yield
Height is prepared rapidly, and safe and efficient, device is simple, easily operated.
Invention content
A kind of preparation facilities of function nano line of the present invention, proposition assist male cone (strobilus masculinus) type electrostatic spinning nozzle using air-flow,
It has axial drawing-off effect to fiber.Meanwhile the cyclonic air flow auxiliary device turned on air pump is placed in electrode plate center with holes,
Whirlwind is generated, fiber, which is inhaled into cyclonic air flow auxiliary device, generates succeeding stretch, and fiber achievees the effect that drawing-off and boundling.On
Functional particles are sprayed into airflow pipeline by lower two air-jet devices equipped with functional particles respectively, realize functional particles to nanofiber
Interior outer cladding.Air-jet device can be equipped with different functional particles, such as metal nanoparticle, phase change materials nano particle, oxygen
Compound nano particle, antimicrobial nano particle, antiultraviolet nano particle etc. finally wrap up in attached Nanowire inside and outside obtained functional particles
Dimension, realizes the multifunction of nanofiber.Receiving roll is collected fiber, and the rotation of roller can take the fiber of whereabouts
To keeping fibre diameter more uniform.
Realizing the technical solution of above-mentioned purpose is：A kind of preparation facilities of function nano line includes mainly：Barrel, fixation
Plate, bolt, flow distribution plate, heating collar, runner, thickening ring, air-flow auxiliary male cone (strobilus masculinus) type electrostatic spinning nozzle, atomizer, high pressure are quiet
Electric generator, acrylic board with holes, electrode plate, receiving roll, cyclonic air flow auxiliary device, airflow duct, mixer, regulating valve,
Flange, air-jet device, functional particles A, air pump, functional particles B etc..Connected using bolt by fixed plate between barrel and flow distribution plate
It connects, cylindrical hole forms gap in male cone (strobilus masculinus) airflow duct external cylindrical surface and flow distribution plate, and melt flows in gap, makes it in circumferential direction
It is evenly distributed.Air-flow assists male cone (strobilus masculinus) type electrostatic spinning nozzle and cyclonic air flow auxiliary device coaxially arranged, external sheath heating
Circle, and it is connected through a screw thread thickening ring, thickening ring can be according to the viscosity adjusting lower in the axial direction of polymer, it is ensured that fiber is curing
Before wrap up in and enclose functional particles.In the built-in functional particle of air-jet device, (functional particles A and B can be isoplassont matter, can not also
Commaterial), it is divided in two parts up and down of airflow duct.Functional particles A is sprayed into mixer after mixing by air-jet device,
It into airflow pipeline, is uniformly attached to inside fibre bundle, functional particles B is sprayed on by air-flow outside fibre bundle.Air pump generates high
Fast air-flow is connected to airflow duct in the middle part of cyclonic air flow auxiliary device and nozzle by regulating valve.Cyclonic air flow auxiliary device is placed in
It among electrode plate with holes, is fixed by acrylic board with holes, generates whirlwind, functional particles are uniformly wrapped up in and are attached to fibre bundle appearance
Face.Electrode plate is connected with HV generator, and receiving roll is placed in immediately below electrode plate, and rotation fortune is done in the drive of motor
It is dynamic.
A kind of preparation facilities of function nano line of the present invention, air-flow auxiliary male cone (strobilus masculinus) type electrostatic spinning nozzle center are passed through height
The local decompression that fast air-flow, fiber slenderizing under action of high-speed airflow, while high-speed flow are formed in fiber interfascicular realizes
Fiber gathers effect.
A kind of preparation facilities of function nano line of the present invention, two air-jet devices can be equipped with identical or different function grain
Son, supply amount is by Air Valve Control.Functional particles enter nozzle through airflow duct in the air-jet device of top, are scattered in bundles of nanofibers
On, form interior cladding.Functional particles are wrapped in bundles of nanofibers outer surface with cyclonic air flow in the air-jet device of lower part, form outsourcing
It covers.
The functional particles that air-jet device is equipped with can be that metal nanoparticle, phase change materials nano particle, oxide are received
Rice grain, antimicrobial nano particle or antiultraviolet nano particle etc.
A kind of preparation facilities of function nano line of the present invention, air-flow assist male cone (strobilus masculinus) type electrostatic spinning nozzle and thickening ring logical
Threaded connection is crossed, thickening ring can be according to the viscosity adjusting lower in the axial direction of polymer, it is ensured that fiber is uniformly wrapped up in before curing to be enclosed
Functional particles.
A kind of preparation facilities of function nano line of the present invention, thickening ring lower part are made taper, carry through-hole, can arrange sieve
Net avoids the escape of functional particles, and high-speed flow passes through, may be implemented functional particles it is secondary wrap up in it is attached.
A kind of preparation facilities of function nano line of the present invention, cyclonic air flow auxiliary device is by air inlet, circumferential wind chamber and four
A centrosymmetric gas outlet composition can allow airflow into after cyclonic air flow auxiliary device to be formed and gather air-flow in this way, to
So that cyclonic air flow auxiliary device upper inlet is formed local decompression, be conducive to fiber and gather and fall into cyclonic air flow auxiliary device,
Achieve the effect that gather and attenuated fibers.
A kind of preparation facilities of function nano line of the present invention, the high speed rotation of receiving roll, which is conducive to gather fiber, to fall
It is orientated in journey, the fiber being finally collected in receiving roll is orientation nano line.
By the introduction of technical solution above, compared with prior art, the present invention its advantage has：
1. cyclonic air flow auxiliary device can be formed straight down gather air-flow, make thereon it is rectangular at local decompression to
Be conducive to fiber and fall into enterprising gas port, while boundling can be carried out to fiber and can greatly attenuated fibers.
2. two air-jet devices can be equipped with identical or different functional particles, Nanowire is attached to by different paths
In dimension, functional particles are formed to the interior outer cladding of fiber, realize the multifunction of nanofiber.
3. taper is made in thickening ring lower part, through-hole is carried, can arrange sieve, avoids the escape of functional particles, and high speed
Air-flow passes through, may be implemented functional particles it is secondary wrap up in it is attached so that functional particles adhere to uniform consolidation.
4. the rotating speed of receiving roll and the falling speed of fiber are unanimous on the whole, contribute to the orientation of fiber in this way, also favorably
In the regular collection of fiber.
5. preparing function nano line using melt differential electrostatic spinning apparatus and using the method for air-flow auxiliary, yield is high,
It prepares quickly, effect is good.
Description of the drawings
Fig. 1 is a kind of preparation facilities schematic diagram of function nano line of the present invention.
Fig. 2 is the schematic diagram of the thickening ring of device shown in FIG. 1.
Fig. 3 is the sieve schematic diagram of thickening ring shown in Fig. 2
Fig. 4 is the top cross-sectional view of cyclonic air flow auxiliary device.
Fig. 5 is the forward sight diagrammatic cross-section of cyclonic air flow auxiliary device
In figure：1- barrels；2- fixed plates；3- bolts；4- flow distribution plates；5- heating collars；6- runners；7- viscosifies ring；8- air-flows
Assist male cone (strobilus masculinus) type electrostatic spinning nozzle；9- atomizers；10- HV generators；11- acrylic boards with holes；12- electrodes
Plate；13- receiving rolls；14- cyclonic air flow auxiliary devices；15- airflow ducts；16- mixers；17- regulating valves；18- flanges；19-
Air-jet device；20- functional particles A；21- air pumps；22- functional particles B.
7-1- ring walls；7-2- sieves；7-3- ventholes；14-1- air inlets；The gas outlets 14-2-；14-3- circumferential direction wind chambers.
Specific implementation mode
A kind of preparation facilities of function nano line of the present invention, as shown in Figure 1, it includes mainly：Barrel 1, fixed plate 2, spiral shell
Bolt 3, flow distribution plate 4, heating collar 5, runner 6, thickening ring 7, air-flow auxiliary male cone (strobilus masculinus) type electrostatic spinning nozzle 8, atomizer 9, high pressure
Electrostatic generator 10, acrylic board with holes 11, electrode plate 12, receiving roll 13, cyclonic air flow auxiliary device 14, airflow duct 15,
Mixer 16, regulating valve 17, flange 18, air-jet device 19, functional particles A20, air pump 21, functional particles B22 etc..Barrel 1 with
Flow distribution plate 4 is connected using bolt 3.Air-flow assists male cone (strobilus masculinus) type electrostatic spinning nozzle 8 and 14 coaxial cloth of cyclonic air flow auxiliary device
It sets, external sheath heating collar 5, middle the heart channel of Hang-Shaoyin airflow duct 15 is connected with air pump 21.The built-in functional particle A20 of air-jet device 19 and
Functional particles B22 is divided in two parts up and down of airflow duct 15.It is thin-wall construction to viscosify ring 7, and thickening ring 7 is by two parts
Composition, viscosifies the lower end that barrel 1 is partly connected on ring 7, and the lower part of thickening ring 7 is connected to cyclonic air flow auxiliary device 14
Upper end, cyclonic air flow auxiliary device 14 are placed among electrode plate 12 with holes, are fixed by acrylic board 11 with holes, electrode plate 12
It is connected with HV generator 10, receiving roll 13 is placed in immediately below electrode plate 12, is rotated under the drive of motor.
It is first heated when work, polymer beads then is added in barrel 1, be passed through in cyclonic air flow auxiliary device air inlet
High-speed flow.Melt flows through runner and forms uniformly circumferential stream, and multiple jets, top jet dress are formed about at nozzle conical surface tip
It sets middle functional particles through airflow duct to enter in the middle part of nozzle, be scattered in bundles of nanofibers with high-speed flow, form functional particles
Interior cladding.Meanwhile the cyclonic air flow auxiliary device turned on air pump is placed in electrode plate center with holes, generates whirlwind, fiber quilt
Succeeding stretch is generated in sucking cyclonic air flow auxiliary device, the further slenderizing of fiber achievees the effect that drawing-off and boundling.Under
Functional particles are wrapped in bundles of nanofibers outer surface with cyclonic air flow in portion's air-jet device, form functional particles outer cladding.In electricity
Under the multiple stretching action for the high-speed flow vertically downward that field force and cyclonic air flow auxiliary device generate, melt composition is largely penetrated
It wanders into cyclonic air flow auxiliary device and gathering, gather into a branch of in the outlet end of cyclonic air flow auxiliary device and falls and revolving
Turn in receiving roll, while the rule of fiber may be implemented in Rotation of receiver roller when roller linear velocity is suitable with fiber falling speed
Whole collection is conducive to the orientation of fiber.Whole device is easy to operate, can quickly prepare function nano line, and fibre diameter is equal
Even, favorable orientation, high-efficiency environment friendly, yield is considerable.
Invention is related to a kind of preparation facilities of function nano line, and taper is made in 7 lower part of thickening ring, as shown in Figures 2 and 3,
Venthole 7-3 is carried among ring wall 7-1 on position, sieve can be arranged at the venthole 7-3 close to cyclonic air flow auxiliary device 14
7-2 is netted, avoids functional particles from escaping from venthole 7-3, and high-speed flow passes through, and the secondary of functional particles may be implemented and wrap up in
It is attached.
A kind of preparation facilities of function nano line of the present invention, cyclonic air flow auxiliary device 14 is by air inlet 14-1, circumferential wind
Chamber 14-3 and four centrosymmetric gas outlet 14-2 compositions, as shown in Figure 4 and Figure 5, can allow airflow into whirlwind gas in this way
It is formed after stream auxiliary device 14 and gathers air-flow, to make cyclonic air flow auxiliary device upper inlet form local decompression, be conducive to
Cyclonic air flow auxiliary device is gathered and fallen into fiber, achievees the effect that gather and attenuated fibers.
Claims (4)
1. a kind of preparation facilities of function nano line, it is characterised in that：Including barrel, fixed plate, bolt, flow distribution plate, heating collar,
Runner, thickening ring, air-flow auxiliary male cone (strobilus masculinus) type electrostatic spinning nozzle, atomizer, HV generator, acrylic board with holes,
Electrode plate, receiving roll, cyclonic air flow auxiliary device, airflow duct, mixer, regulating valve, flange, air-jet device, functional particles
A, air pump and functional particles B, are connected by screw bolts between barrel and flow distribution plate by fixed plate, male cone (strobilus masculinus) airflow duct outside cylinder
Cylindrical hole forms gap in face and flow distribution plate, and melt flows in gap, makes it circumferentially distributed uniform；Air-flow assists male cone (strobilus masculinus)
Type electrostatic spinning nozzle and cyclonic air flow auxiliary device are coaxially arranged, external sheath heating collar；It is thin-wall construction to viscosify ring, thickening
Ring consists of two parts, and viscosifies the lower end that barrel is partly connected on ring, and thickening ring lower part is made taper, viscosifies the lower part of ring
It is connected to the upper end of cyclonic air flow auxiliary device, viscosifies and carries venthole among the ring wall of ring on position, and can be close to whirlwind
Sieve is arranged at the venthole of airflow facilitating arrangement；Viscosifying ring can be according to the viscosity adjusting lower in the axial direction of polymer；Jet fills
It sets and functional particles A is sprayed into mixer after mixing, into airflow pipeline, be uniformly attached to inside fibre bundle；Functional particles B
It is sprayed on outside fibre bundle by air-flow；Electrode plate is connected with HV generator, and receiving roll is placed in immediately below electrode plate, receives
Roller rotates in the drive of motor.
2. a kind of preparation facilities of function nano line according to claim 1, it is characterised in that：It is equipped in air-jet device
Functional particles A and functional particles B be substance of the same race or substance not of the same race, and be divided in two parts up and down of airflow duct.
3. a kind of preparation facilities of function nano line according to claim 2, it is characterised in that：Air pump generates high speed gas
Stream is connected to airflow duct in the middle part of cyclonic air flow auxiliary device and nozzle by regulating valve；Cyclonic air flow auxiliary device is placed in holes
It among electrode plate, is fixed by acrylic board with holes, generates whirlwind, functional particles B is uniformly wrapped up in and is attached to fibre bundle outer surface.
4. a kind of preparation facilities of function nano line according to claim 1, it is characterised in that：Cyclonic air flow auxiliary device
It is made of air inlet, circumferential wind chamber and four centrosymmetric gas outlets.
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| CN201610975771.1A CN106367819B (en) | 2016-11-07 | 2016-11-07 | A kind of preparation facilities of function nano line |
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| CN201610975771.1A CN106367819B (en) | 2016-11-07 | 2016-11-07 | A kind of preparation facilities of function nano line |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108625014B (en) * | 2018-05-08 | 2021-03-12 | 三明中盛新材料科技有限公司 | Bi-component micro-nanofiber yarn and spinning device |
| CN109487347B (en) * | 2018-11-19 | 2021-06-15 | 青岛科技大学 | Solution melt co-spinning electrostatic spinning device for preparing composite fibers |
| CN109371479B (en) * | 2018-12-21 | 2023-07-25 | 青岛科技大学 | Solution melt co-spinning multi-nozzle electrostatic spinning integrated device |
| CN111087973B (en) * | 2019-12-17 | 2021-07-27 | 吉林大学 | Preparation device and preparation method of vegetable fiber fermentation modified reinforced friction material |
| CN114990708B (en) * | 2022-06-30 | 2023-04-07 | 北京化工大学 | Preparation device for nano carbon fiber precursor by differential electrostatic spinning of steam-assisted liquid film |
| CN115110160B (en) * | 2022-08-30 | 2022-12-06 | 江苏新视界先进功能纤维创新中心有限公司 | Electrostatic spinning device and preparation method of nano-fibers |
| CN115110188B (en) * | 2022-08-30 | 2022-12-06 | 江苏新视界先进功能纤维创新中心有限公司 | Melting electrostatic spinning nanofiber composite core-spun yarn and preparation method and device thereof |
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| US3602291A (en) * | 1968-09-04 | 1971-08-31 | Battelle Development Corp | Apparatus for casting metal filaments through an aerosol atmosphere |
| CN204455369U (en) * | 2015-02-10 | 2015-07-08 | 北京化工大学 | The micro-fluidic bi-component electrostatic spinning nozzle of a kind of valve-type |
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| CN206157282U (en) * | 2016-11-07 | 2017-05-10 | 北京化工大学 | Preparation facilities of function nano wire |
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