CN103572387A - Melt differential electrostatic spinning device and process - Google Patents
Melt differential electrostatic spinning device and process Download PDFInfo
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- CN103572387A CN103572387A CN201310556271.0A CN201310556271A CN103572387A CN 103572387 A CN103572387 A CN 103572387A CN 201310556271 A CN201310556271 A CN 201310556271A CN 103572387 A CN103572387 A CN 103572387A
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Abstract
The invention discloses a melt differential electrostatic spinning device and process. The device mainly comprises a melt differential electrostatic spinning nozzle and a multi-electric-field coupling strong drafting device, wherein the melt differential electrostatic spinning nozzle is arranged above the multi-electric-field coupling strong drafting device. The melt differential electrostatic spinning nozzle mainly comprises a spreader plate, a nut, a spring washer, an air duct locating pin, a screw, a nozzle body locating pin, a nozzle body, an air duct, a heating device, a temperature sensor, an inner cone nozzle and a grounding electrode. The multi-electric-field coupling strong drafting device mainly comprises a first plate electrode, a second plate electrode, a first high-voltage electrostatic generator, a second high-voltage electrostatic generator and a fiber receiving plate. Under the action of force of a wind field and an electric field, finally, polymer melt is differentially and evenly distributed to form dozens of Taylor cones of one circle along the edge of the conical face, then dozens of jet flow are formed and refined to be nanometer filaments, a plurality of melt differential electrostatic spinning nozzle bodies are installed below the spreader plate so as to achieve mass production of nanometer fibers, the structure is simple, and parts are easy to machine and assemble.
Description
Technical field
The present invention relates to a kind of melt differential electrostatic spinning apparatus and technique, belong to electrostatic spinning field.
Background technology
Along with the extensive use of nanometer technology, electrospun nanofibers method more and more receives the concern of experimental study and industrialization development.Solution electrostatic spinning is furtherd investigate and extensive use with its gentle preparation technology and nano level fibre fineness, tentatively realized at present volume production, yet the use due to solvent, application that makes industrialization continuity, production environment, medical aspect etc. is extremely restricted, due to solution electrostatic spinning exist poisonous solvent recovery, band hole fibre strength low, be difficult to prepare PP, PE fiber and the problem such as inefficient, this has limited the industrial applications of solution electrostatic spinning technique.Melt electrostatic spinning is not used solvent, have intrinsic safety, its fiber of preparing can reach hundreds of nanometers, compares the little order of magnitude of fibre fineness prepared by traditional melt blown technology, therefore, melt electrostatic spinning can be used as a kind of robust techniques that realizes the green manufacturing of high-performance nano fiber.
Larrondo in 1981 and Manley reported first the electrostatic spinning technique of molten high polymer, the melt electrostatic spinning device of their design is that melt is extruded through piston, electrospinning fibre is collected apart from 3cm, and with this device electrospinning PP, successfully having produced diameter is the fiber of 50 microns of left and right.
The Nobuo Ogata of Japan Fukui university developed in 2006 has LASER HEATING melt electrospinning, to fusing department, supply with macromolecule club-shaped material (diameter is less than 1mm), the fiber that can prepare 1 μ m, though this device indirect, laser aid energy consumption is high, dangerous; The people such as Naoki SHIMADA arrive utmost point low viscosity by the line laser light source of customization by film heating, prepare row's fiber, improved the output of fiber, but cost are still high on original spot light basis, yield poorly, and are difficult to use in mass production.
The Michal of Czech Czech Republic university
and Lenka
having proposed a kind of is the device for spinning of slit, and slit device for spinning does not have fine solution melt being uniformly distributed of slit place, and the number of silk is also not enough to be applicable to commercial application.
These melt electrostatic spinning devices complex structure not only above, and energy consumption is high, yields poorly, and is difficult to be applicable to commercial application.
Summary of the invention
The object of the present invention is to provide a kind of melt differential electrostatic spinning apparatus and technique, adopt the powerful drawing-off technology of melt differential technology and many field coupling to realize the mass production of nanofiber.
Realizing the technical scheme that above-mentioned purpose takes is: melt differential electrostatic spinning apparatus, mainly comprise the powerful drafting system of melt differential electrostatic spinning nozzle and many field coupling, melt differential electrostatic spinning nozzle is placed in the powerful drafting system of many field coupling top, melt differential electrostatic spinning nozzle is mainly by flow distribution plate, nut, spring shim, airduct alignment pin, screw, sprayer body alignment pin, sprayer body, airduct, heater, temperature sensor, inner conical surface shower nozzle and earth electrode form, flow distribution plate is positioned at sprayer body top, sprayer body and flow distribution plate adopt sprayer body alignment pin location, sprayer body can adopt screw to be connected with flow distribution plate, the inclined flow passage that has melt-flow warp on sprayer body, on flow distribution plate, there is runner for the inflow of the melt of polymer melt plasticizing feedway melting, inclined flow passage entrance communicates with the runner outlet on flow distribution plate, the hole that airduct inside has gas to pass through, hole, the inner air outlet place of airduct is bellmouth, is convenient to the drawing-off of air-flow to melt, and airduct is arranged in the endoporus of sprayer body and flow distribution plate, between airduct outer surface and sprayer body endoporus, have annular gap, melt flows in this annular gap, airduct is connected with the tracheae of external hot gas source by screw thread topmost, in the upper end of airduct, can adopt nut and spring shim to fix, and prevents that airduct from falling down, on airduct top, have keyway, an in-built airduct alignment pin, also can fitting key, for the circumferential location of airduct with prevent that airduct from rotating dislocation, inner conical surface shower nozzle adopts and is threaded with sprayer body, sprayer body and flow distribution plate are surrounded by heater outward, and temperature sensor are installed for temperature control, inner conical surface shower nozzle is connected with earth electrode, the powerful drafting system of many field coupling mainly comprises battery lead plate one, battery lead plate two, HV generator one, HV generator two and fiber dash receiver, battery lead plate one be arranged on spinning nozzle under a distance, battery lead plate one is connected with the high-voltage positive electrode terminal of HV generator one, battery lead plate two be arranged on battery lead plate one under a distance, battery lead plate two is connected with the high-voltage positive electrode terminal of HV generator two, and fiber dash receiver is placed on the top of battery lead plate two.
Melt differential electrostatic spinning apparatus of the present invention, the inner conical surface shower nozzle of melt differential electrostatic spinning nozzle also can change male cone (strobilus masculinus) shower nozzle into, remove the inner conical surface shower nozzle being connected with sprayer body, in airduct bottom, be threaded connection a male cone (strobilus masculinus) shower nozzle, melt-flow is through the male cone (strobilus masculinus) of male cone (strobilus masculinus) shower nozzle, circular hole and bellmouth that the inside of male cone (strobilus masculinus) shower nozzle has gas to pass through, sprayer body is connected with earth electrode, and all the other structures are identical with aforesaid melt differential electrostatic spinning nozzle structure.
Melt differential electrostatic spinning apparatus of the present invention, inner conical surface shower nozzle and sprayer body are threaded connection, airduct bottom is by the screw thread male cone (strobilus masculinus) shower nozzle that is connected, the mode that adopts inner conical surface shower nozzle and male cone (strobilus masculinus) shower nozzle to combine, behind gap between melt-flow discharge pipe and sprayer body, flow to the inner conical surface of inner conical surface shower nozzle and the male cone (strobilus masculinus) of male cone (strobilus masculinus) shower nozzle, circular hole and bellmouth that the inside of male cone (strobilus masculinus) shower nozzle has gas to pass through, gas has drawing-off to the silk of the melt composition of two conical surfaces, and all the other structures are identical with aforesaid melt differential electrostatic spinning nozzle structure.
Melt differential electrostatic spinning apparatus of the present invention, runner on flow distribution plate can be for equally distributed a plurality of, a plurality of melt differential electrostatic spinning nozzles are installed under a flow distribution plate, by the runner in flow distribution plate, shunt, by an extruder or other polymer melts, plastify feedway to a plurality of melt differential electrostatic spinning nozzles while feed, realize the mass production of nanofiber.
Melt differential electrostatic spinning apparatus of the present invention, in the powerful drafting systems of its many field coupling, battery lead plate one is the battery lead plate of middle with hole, its shape can be circular, square, triangle or polygon arbitrarily.
Melt differential electrostatic spinning apparatus of the present invention, in the powerful drafting systems of its many field coupling, battery lead plate two can be the battery lead plate of middle with hole, can be also in the middle of massive plate not with holes, its shape can be circular, square, triangle or polygon arbitrarily.
Melt differential electrostatic spinning apparatus of the present invention, in the powerful drafting system of its many field coupling, filament can be collected above battery lead plate two, also battery lead plate two can be changed into the battery lead plate of middle with hole, below battery lead plate two, realize filametntary collection, filament can adopt massive plate to collect, and also can adopt lapping band to collect continuously, also can adopt roller to collect.
Melt differential electrostatic spinning apparatus of the present invention, in the powerful drafting system of its many field coupling, below melt differential electrostatic spinning nozzle, it is integer and n >=1 that n(n can be set) layer battery lead plate, form multistage electric field, filament is produced to repeatedly drawing-off, make fibrous refinement.
Melt differential electrostatic spinning apparatus of the present invention, the powerful drafting system of its many field coupling, can be for melt electrostatic spinning, also can be for solution electrostatic spinning, when carrying out solution spinning, heater can no power, or need to carry out temperature control according to solution spinning.
Melt differential electrostatic spinning process of the present invention, provides polymer melt by an extruder or other polymer melts plasticizing feedway to flow distribution plate, open external hot gas source, to the hot-air of logical uniform temperature in airduct, polymer melt, by the shunting of runner in flow distribution plate, flow in the inclined flow passage of sprayer body, then flow in the annular gap between airduct and sprayer body endoporus, finally flows on the conical surface of inner conical surface shower nozzle (or male cone (strobilus masculinus) shower nozzle), open successively HV generator one and HV generator two, make between battery lead plate one and inner conical surface shower nozzle and battery lead plate one and two formation high-voltage electrostatic fields of battery lead plate, now, polymer melt is under high voltage electric field effect, will be at tens taylor cones of the uniform circle of inner conical surface shower nozzle side lower end edge differential, when electric field force is greater than smelt surface tension, taylor cone just forms jet, and then jet becomes silk, this melt is by the outstanding many filaments of the diaphragm assembling structure drawing-off that is evenly distributed on conical surface end edge, this process is called differential spinning, this structure is different from a single spraying spinning of needle-like syringe needle, at this, adopt " differential " in mathematical meaning more vivid, then silk, under the acting in conjunction of wind field and electric field force, through the hole on battery lead plate one, is fallen on fiber dash receiver, by the battery lead plate of multilayer middle with hole is set below melt differential spinning nozzle, form multistage electric field, the spun silk of melt differential spinning nozzle is realized to repeatedly drawing-off, with this, realize filametntary refinement, by the control to institute's making alive size on battery lead plate spacing and battery lead plate, realize the regulation and control to filament fineness.
From above reception programme, tool of the present invention has the following advantages:
1. between the part of melt differential electrostatic spinning nozzle, adopt dog screws such as pin, key etc. to be threaded, simple in structure, the easy process and assemble of part, production cost is low.
2. polymer melt flows through inner conical surface, under the effect of electric field force, finally at conical surface end, along differential uniform, encloses tens taylor cones, and then forms tens jets and be refined into nanofibers, and the output of single melt differential electrostatic spinning nozzle is high; By a plurality of melt differential electrostatic spinning nozzles are installed under flow distribution plate, just can realize the mass production of nanofiber, same size device output is greater than order of magnitude of similar electrostatic spinning apparatus.
3. adopt melt differential electrostatic spinning nozzle ground connection, battery lead plate connects the mode of high pressure positive electricity, has effectively avoided in electrostatic spinning, and shower nozzle connects high-tension electricity to the impact of electric elements and damage.
4. in the process falling at fiber, adopt the powerful drafting system of many field coupling to carry out drawing-off to fiber, can make spun filament thinner.By regulating the distance between battery lead plate and inner conical surface shower nozzle and battery lead plate and battery lead plate, and the voltage of HV generator, can do certain adjusting to filametntary fineness.
5. adopt electrode with holes, realize the reception of fiber below electrode, this makes the collection mode of fiber can variation, and the auxiliary drawing-off of air-flow, makes filament fasciculation in dropping process, is convenient to reel, to adapt to different demands.
6. this device and simple for process, is applicable to laboratory research and commercial application.
Accompanying drawing explanation
Fig. 1 is the structural representation of melt differential electrostatic spinning apparatus of the present invention, and inner conical surface shower nozzle is installed on sprayer body.
Fig. 2 is the structural representation of melt differential electrostatic spinning apparatus of the present invention, and male cone (strobilus masculinus) shower nozzle is installed in airduct lower end.
Fig. 3 is the structural representation of melt differential electrostatic spinning apparatus of the present invention, and shower nozzle has two, is the mode that male cone (strobilus masculinus) shower nozzle and inner conical surface shower nozzle combine.
In figure: 1-flow distribution plate, 2-nut, 3-spring shim, 4-airduct alignment pin, 5-screw, 6-sprayer body alignment pin, 7-sprayer body, 8-airduct, 9-heater, 10-temperature sensor, 11-inner conical surface shower nozzle, 12-battery lead plate one, 13-fiber dash receiver, 14-battery lead plate two, 15-HV generator one, 16-HV generator two, 17-earth electrode, 18-silk, 19-battery lead plate three, 20-battery lead plate four, 21-roller receiving system, 22-HV generator three, 23-HV generator four, 24-male cone (strobilus masculinus) shower nozzle.
The specific embodiment
As shown in Figure 1, melt differential electrostatic spinning apparatus of the present invention, mainly comprises the powerful drafting system of melt differential electrostatic spinning nozzle and many field coupling.
Melt differential electrostatic spinning nozzle is mainly comprised of flow distribution plate 1, nut 2, spring shim 3, airduct alignment pin 4, screw 5, sprayer body alignment pin 6, sprayer body 7, airduct 8, heater 9, temperature sensor 10, inner conical surface shower nozzle 11, earth electrode 17.Sprayer body 7 adopts sprayer body alignment pin 6 location with flow distribution plate 1, and connects with screw 5, and the inclined flow passage entrance on sprayer body 7 communicates with the runner outlet on flow distribution plate 1; Airduct 8 is arranged in the endoporus of sprayer body 7 and flow distribution plate 1, between airduct 8 outer surfaces and sprayer body 7 endoporus, has annular gap, and melt flows in this annular gap; Airduct 8 is connected with the tracheae of external hot gas source by screw thread topmost, in the top of airduct 8, adopts nut 2 fixing with spring shim 3, prevent that airduct 8 from falling down, on airduct 8 tops, have keyway, an in-built airduct alignment pin 4, for the circumferential location of airduct 8 with prevent that airduct 8 from rotating dislocation; Inner conical surface shower nozzle 11 adopts and is threaded with sprayer body 7; Sprayer body 7 is surrounded by heater 9 with flow distribution plate 1 is outer, and temperature sensor 10 is installed for temperature control; Inner conical surface shower nozzle 11 is connected with earth electrode 17.
The powerful drafting system of many field coupling mainly comprises battery lead plate 1, battery lead plate 2 14, HV generator 1, HV generator 2 16, fiber dash receiver 13, wherein, battery lead plate 1 is battery lead plates of middle with hole, battery lead plate 2 14 can be the battery lead plate of middle with hole, also battery lead plate not with holes in the middle of can being, battery lead plate 1 and battery lead plate 2 14 can be circular, square, triangle or polygon arbitrarily; Battery lead plate 1 be arranged on inner conical surface shower nozzle 11 under certain distance (2～10cm) locate, battery lead plate 1 is connected with the high-voltage positive electrode terminal of HV generator 1, battery lead plate 2 14 be arranged on battery lead plate 1 under certain distance (5～70cm) locate, battery lead plate 2 14 is connected with the high-voltage positive electrode terminal of HV generator 2 16, and fiber dash receiver 13 is placed on the top of battery lead plate 2 14.
During spinning, heater 9 is opened, under the control of temperature sensor 10, flow distribution plate 1 and sprayer body 7 are heated to operating temperature, then open external hot gas source, hot-air to logical uniform temperature (60～400 ℃) in airduct 8, then with an extruder or other polymer melts plasticizing feedway, to flow distribution plate, provide polymer melt, polymer melt is by the shunting of flow distribution plate 1 interior runner, flow in the inclined flow passage of sprayer body 7, then flow in the annular gap between airduct 8 and sprayer body 7 endoporus, finally flow on the inner conical surface of inner conical surface shower nozzle 11, open successively HV generator 1 and HV generator 2 16, make 2 14 of 11, battery lead plate 1 and inner conical surface shower nozzle and battery lead plate 1 and battery lead plates form high-voltage electrostatic field, now, polymer melt is under high voltage electric field effect, will be at tens taylor cones of the uniform circle of inner conical surface shower nozzle 11 side lower end edge differential, when electric field force is greater than smelt surface tension, taylor cone just forms jet, and then is spun into silk 18, silk 18, under the acting in conjunction of wind field and electric field force, through the hole on battery lead plate 1, is fallen on fiber dash receiver 13.
Take and melt and spray grade PP as example: inner conical surface shower nozzle 11 lower end edge diameters are 2.5cm, setting battery lead plate 1 is 4cm with inner conical surface shower nozzle 11 side lower end edge distances, battery lead plate 2 14 is 15cm with the distance of battery lead plate 1, flow distribution plate 1 Temperature Setting is 220 ℃, sprayer body 7 Temperature Settings are 240 ℃, HV generator 1 adds 30Kv high-pressure electrostatic, HV generator 2 16 adds 65Kv high-pressure electrostatic, in airduct, blow the hot blast of 80 ℃, finally can spin to obtain the fiber of 300nm～800nm diameter, the spinning efficiency of single spraying head can reach 10～20g/h.
As shown in Figure 2, the structure of this embodiment and embodiment 1, operation principle and effect are basic identical, difference is: in melt differential electrostatic spinning nozzle, its inner conical surface shower nozzle 11 also can change male cone (strobilus masculinus) shower nozzle 24 into, male cone (strobilus masculinus) shower nozzle 24 is connected by screw thread with airduct 8 bottoms, sprayer body 7 is connected with earth electrode 17, and all the other structures are identical with aforesaid melt differential electrostatic spinning nozzle structure.
The powerful drafting system of many field coupling is comprised of triple electrode plate, male cone (strobilus masculinus) shower nozzle is provided with battery lead plate 1, battery lead plate 3 19, battery lead plate 4 20 for 24 times successively, three electrode plate are all the battery lead plate of middle with hole, battery lead plate 1 is connected with the high-voltage positive electrode terminal of HV generator 1, battery lead plate 3 19 is connected with the high-voltage positive electrode terminal of HV generator 3 22, battery lead plate 4 20 is connected with the high-voltage positive electrode terminal of HV generator 4 23, below battery lead plate 4 20, roller receiving system 21 is installed for receiving fiber.
During spinning, polymer melt flows in the annular gap between airduct 8 and sprayer body 7 endoporus along runner, finally flow on the male cone (strobilus masculinus) of male cone (strobilus masculinus) shower nozzle 24, now, open successively HV generator 1, HV generator 3 22, HV generator 4 23, and open the motor of roller receiving system 21 simultaneously, now, polymer melt is under high voltage electric field effect, will be at tens taylor cones of the uniform circle of male cone (strobilus masculinus) shower nozzle 24 side lower end edge differential, when electric field force is greater than smelt surface tension, taylor cone just forms jet, and then jet becomes silk 18, then silk 18, under the acting in conjunction of wind field and electric field force, through the hole on battery lead plate 1, battery lead plate 3 19, battery lead plate 4 20, is subject to after three drawing-off effects successively, finally by the roller receiving system 21 under battery lead plate 4 23, is received.
As shown in Figure 3, melt differential electrostatic spinning apparatus of the present invention, also inner conical surface shower nozzle 11 and male cone (strobilus masculinus) shower nozzle 24 can be combined in same melt differential electrostatic spinning nozzle, inner conical surface shower nozzle 24 is threaded connection with sprayer body 7, male cone (strobilus masculinus) shower nozzle 24 is connected by screw thread with airduct 8 bottoms, and all the other structures are identical with aforesaid melt differential electrostatic spinning nozzle structure.
Melt differential electrostatic spinning apparatus of the present invention, one or more melt differential electrostatic spinning nozzles can be installed under a flow distribution plate, by the runner in flow distribution plate 1, shunt, by an extruder or other polymer melts, plastify feedway to a plurality of melt differential electrostatic spinning nozzles while feed, realize the mass production of nanofiber.
Melt differential electrostatic spinning apparatus of the present invention, in the powerful drafting systems of many field coupling, its shape of its battery lead plate can be circular, square, triangle or polygon arbitrarily; Below melt differential electrostatic spinning nozzle, it is integer and n >=1 that n(n can be set) layer battery lead plate, form multistage electric field, fiber is produced to repeatedly drawing-off.Make fibrous refinement; Fiber can be collected above orlop battery lead plate, also orlop battery lead plate can be changed into the battery lead plate of middle with hole, realize the collection of fiber below orlop battery lead plate, fiber can adopt massive plate to collect, also can adopt lapping band to collect continuously, also can adopt roller to collect.
Melt differential electrostatic spinning apparatus of the present invention, the powerful drafting systems of its many field coupling, can be for melt electrostatic spinning, also can be for solution electrostatic spinning.
Melt differential electrostatic spinning process of the present invention, provides polymer melt by an extruder or other polymer melts plasticizing feedway to flow distribution plate; Open external hot gas source, to the hot-air of logical uniform temperature in airduct; Polymer melt, by the shunting of runner in flow distribution plate, flow in the inclined flow passage of sprayer body, then flow in the annular gap between airduct and sprayer body endoporus, finally flows on the conical surface of inner conical surface shower nozzle (or male cone (strobilus masculinus) shower nozzle); Open successively HV generator one and HV generator two, make between battery lead plate one and inner conical surface shower nozzle and battery lead plate one and two formation high-voltage electrostatic fields of battery lead plate, now, polymer melt is under high voltage electric field effect, will be at tens taylor cones of the uniform circle of inner conical surface shower nozzle side lower end edge differential, when electric field force is greater than smelt surface tension, taylor cone just forms jet, and then jet becomes silk; Then silk, under the acting in conjunction of wind field and electric field force, through the hole on battery lead plate one, is fallen on fiber dash receiver; By the battery lead plate of multilayer middle with hole is set below melt differential spinning nozzle, form multistage electric field, the spun silk of melt differential spinning nozzle is realized to repeatedly drawing-off, with this, realize the refinement of fiber; By the control to institute's making alive size on battery lead plate spacing and battery lead plate, realize the regulation and control to fibre fineness.
Claims (8)
1. melt differential electrostatic spinning apparatus, mainly comprise the powerful drafting system of melt differential electrostatic spinning nozzle and many field coupling, melt differential electrostatic spinning nozzle is placed in the powerful drafting system of many field coupling top, it is characterized in that: melt differential electrostatic spinning nozzle is mainly by flow distribution plate, nut, spring shim, airduct alignment pin, screw, sprayer body alignment pin, sprayer body, airduct, heater, temperature sensor, inner conical surface shower nozzle and earth electrode form, flow distribution plate is positioned at sprayer body top, sprayer body and flow distribution plate adopt sprayer body alignment pin location, sprayer body adopts screw to be connected with flow distribution plate, the inclined flow passage that has melt-flow warp on sprayer body, on flow distribution plate, there is runner, inclined flow passage entrance on flow distribution plate communicates with the outlet of the runner on flow distribution plate, the hole that airduct inside has gas to pass through, hole, the inner air outlet place of airduct is bellmouth, and airduct is arranged in the endoporus of sprayer body and flow distribution plate, between airduct outer surface and sprayer body endoporus, has annular gap, and melt flows in this annular gap, airduct is connected with the tracheae of external hot gas source by screw thread topmost, in the upper end of airduct, adopts nut and spring shim to fix, on airduct top, also have keyway, in-built airduct alignment pin or a key, inner conical surface shower nozzle adopts and is threaded with sprayer body, sprayer body and flow distribution plate are surrounded by heater outward, and temperature sensor are installed for temperature control, inner conical surface shower nozzle is connected with earth electrode, the powerful drafting system of many field coupling mainly comprises battery lead plate one, battery lead plate two, HV generator one, HV generator two and fiber dash receiver, battery lead plate one be arranged on spinning nozzle under a distance, battery lead plate one is connected with the high-voltage positive electrode terminal of HV generator one, battery lead plate two be arranged on battery lead plate one under a distance, battery lead plate two is connected with the high-voltage positive electrode terminal of HV generator two, and fiber dash receiver is placed on the top of battery lead plate two.
2. melt differential electrostatic spinning apparatus according to claim 1, it is characterized in that: the inner conical surface shower nozzle of melt differential electrostatic spinning nozzle changes male cone (strobilus masculinus) shower nozzle into, male cone (strobilus masculinus) shower nozzle is arranged on airduct bottom by screw thread, melt-flow is through the male cone (strobilus masculinus) of male cone (strobilus masculinus) shower nozzle, circular hole and bellmouth that the inside of male cone (strobilus masculinus) shower nozzle has gas to pass through, earth electrode is connected with sprayer body.
3. melt differential electrostatic spinning apparatus according to claim 1, is characterized in that: airduct bottom is by the screw thread male cone (strobilus masculinus) shower nozzle that is connected, circular hole and bellmouth that the inside of male cone (strobilus masculinus) shower nozzle has gas to pass through.
4. melt differential electrostatic spinning apparatus according to claim 1, is characterized in that: the runner on flow distribution plate is equally distributed a plurality of, and a plurality of melt differential electrostatic spinning nozzles are installed under a flow distribution plate.
5. melt differential electrostatic spinning apparatus according to claim 1, is characterized in that: the battery lead plate one in the powerful drafting systems of many field coupling is the battery lead plate of middle with hole, and its shape is circular, square, triangle or polygon arbitrarily.
6. melt differential electrostatic spinning apparatus according to claim 1, it is characterized in that: the battery lead plate two of the powerful drafting system of many field coupling is the battery lead plate of middle with hole, or middle massive plate not with holes, its shape is circular, square, triangle or polygon arbitrarily.
7. melt differential electrostatic spinning apparatus according to claim 1, it is characterized in that: the filament in the powerful drafting system of many field coupling is collected above battery lead plate two, or battery lead plate two is changed into the battery lead plate of middle with hole, below battery lead plate two, realize filametntary collection; Or adopt massive plate to collect, or adopt lapping band to collect continuously, or adopt roller to collect.
8. the technique that adopts melt differential electrostatic spinning apparatus claimed in claim 1 to carry out spinning, by a polymer melt plasticizing feedway, to flow distribution plate, provide polymer melt, it is characterized in that: open external hot gas source, to the hot-air of logical uniform temperature in airduct; Polymer melt, by the shunting of runner in flow distribution plate, flow in the inclined flow passage of sprayer body, then flow in the annular gap between airduct and sprayer body endoporus, finally flows on the conical surface of inner conical surface shower nozzle; Open successively HV generator one and HV generator two, make between battery lead plate one and inner conical surface shower nozzle and battery lead plate one and two formation high-voltage electrostatic fields of battery lead plate, polymer melt is at tens taylor cones of the uniform circle of inner conical surface shower nozzle side lower end edge differential, and then jet becomes silk; Then silk, under the acting in conjunction of wind field and electric field force, through the hole on battery lead plate one, is fallen on fiber dash receiver; By the battery lead plate of multilayer middle with hole is set below melt differential spinning nozzle, form multistage electric field, the spun silk of melt differential spinning nozzle is realized to repeatedly drawing-off; By the control to institute's making alive size on battery lead plate spacing and battery lead plate, realize the regulation and control to filament fineness.
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| CN201310556271.0A CN103572387A (en) | 2013-11-11 | 2013-11-11 | Melt differential electrostatic spinning device and process |
| US14/888,059 US10344400B2 (en) | 2013-05-03 | 2014-04-28 | Melt differential electrospinning device and process |
| PCT/CN2014/076385 WO2014177039A1 (en) | 2013-05-03 | 2014-04-28 | Melt differential electrospinning device and process |
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| WO2014177039A1 (en) * | 2013-05-03 | 2014-11-06 | 北京化工大学 | Melt differential electrospinning device and process |
| CN104451911A (en) * | 2014-11-21 | 2015-03-25 | 天津工业大学 | Electrostatic assisting solution jet spinning device and method |
| CN104593881A (en) * | 2015-02-12 | 2015-05-06 | 北京化工大学 | Electrostatic spinning device for preparing double-component composite material nanofiber |
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| CN114457434A (en) * | 2022-02-15 | 2022-05-10 | 北京化工大学 | Supercritical fluid assisted melt differential electrostatic spinning device |
| CN115110160A (en) * | 2022-08-30 | 2022-09-27 | 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985778A (en) * | 2010-11-22 | 2011-03-16 | 北京化工大学 | Electrostatic spinning multi-strand wire spray head |
| CN102839431A (en) * | 2012-09-28 | 2012-12-26 | 北京化工大学 | Device and process for mass production of nanometer fiber by melt electro-spinning method |
| CN102864502A (en) * | 2012-09-28 | 2013-01-09 | 北京化工大学 | Airflow assisted internal conical surface distributed electrostatic spinning nozzle |
| CN103215663A (en) * | 2013-04-25 | 2013-07-24 | 北京化工大学 | Novel electrostatic spinning umbrella-shaped nozzle |
| CN103225116A (en) * | 2013-05-03 | 2013-07-31 | 北京化工大学 | Differential melt-electrospinning jet head |
| CN103243397A (en) * | 2013-05-03 | 2013-08-14 | 北京化工大学 | Multiple-electric-field coupling strong-force-drafting electrostatic spinning device and method |
| CN203583023U (en) * | 2013-11-11 | 2014-05-07 | 北京化工大学 | Melt differential electrostatic spinning device |
-
2013
- 2013-11-11 CN CN201310556271.0A patent/CN103572387A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985778A (en) * | 2010-11-22 | 2011-03-16 | 北京化工大学 | Electrostatic spinning multi-strand wire spray head |
| CN102839431A (en) * | 2012-09-28 | 2012-12-26 | 北京化工大学 | Device and process for mass production of nanometer fiber by melt electro-spinning method |
| CN102864502A (en) * | 2012-09-28 | 2013-01-09 | 北京化工大学 | Airflow assisted internal conical surface distributed electrostatic spinning nozzle |
| CN103215663A (en) * | 2013-04-25 | 2013-07-24 | 北京化工大学 | Novel electrostatic spinning umbrella-shaped nozzle |
| CN103225116A (en) * | 2013-05-03 | 2013-07-31 | 北京化工大学 | Differential melt-electrospinning jet head |
| CN103243397A (en) * | 2013-05-03 | 2013-08-14 | 北京化工大学 | Multiple-electric-field coupling strong-force-drafting electrostatic spinning device and method |
| CN203583023U (en) * | 2013-11-11 | 2014-05-07 | 北京化工大学 | Melt differential electrostatic spinning device |
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