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WO2012077866A1 - Dispositif de fabrication de nano-fibres - Google Patents

Dispositif de fabrication de nano-fibres Download PDF

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Publication number
WO2012077866A1
WO2012077866A1 PCT/KR2011/003057 KR2011003057W WO2012077866A1 WO 2012077866 A1 WO2012077866 A1 WO 2012077866A1 KR 2011003057 W KR2011003057 W KR 2011003057W WO 2012077866 A1 WO2012077866 A1 WO 2012077866A1
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WO
WIPO (PCT)
Prior art keywords
reciprocating
nozzle
nozzle block
long sheet
manufacturing apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/003057
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English (en)
Korean (ko)
Inventor
이재환
김익수
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinshu University NUC
Toptec Co Ltd
Original Assignee
Shinshu University NUC
Toptec Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shinshu University NUC, Toptec Co Ltd filed Critical Shinshu University NUC
Publication of WO2012077866A1 publication Critical patent/WO2012077866A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures

Definitions

  • the present invention relates to a nanofiber production apparatus.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2010-314266
  • FIG. 8 is a view for explaining a conventional nanofiber manufacturing apparatus 900.
  • 8 (a) is a side view of the nanofiber manufacturing apparatus 900
  • FIG. 8 (b) is a view when the nanofiber manufacturing apparatus 900 is viewed along the arrow A3 direction of FIG. 8 (a)
  • FIG. 8 (c) is a top view of the nanofiber manufacturing apparatus 900.
  • the conveying apparatus which conveys a long sheet along a predetermined conveyance direction (a), and the some electric field arranged in series along the conveyance direction (a)
  • a device (not shown) is provided. And in the conventional nanofiber manufacturing apparatus 900, as shown to FIG. 8 (b), electric field spinning is carried out reciprocating the nozzle block 930a, 930b along the width direction b of the elongate sheet W. As shown to FIG. Nanofibers are prepared by carrying out
  • the conventional nanofiber manufacturing apparatus 900 since the nanofibers are produced by performing field spinning while reciprocating the nozzle blocks 930a and 930b along the width direction b of the long sheet W, the long sheet The deposition amount of the polymer fiber along the width direction (b) of (W) can be made uniform.
  • an object of the present invention is to provide a nanofiber manufacturing apparatus which is made to solve the above problems and is capable of uniformizing the deposition amount of polymer fibers along the width direction b of the long sheet W at all times. do.
  • the nanofiber manufacturing apparatus of the present invention comprises a conveying apparatus for conveying a long sheet along a predetermined conveying direction, and a plurality of field radiating devices arranged in series along the conveying direction, each of the plurality of electric field radiating apparatuses.
  • the nozzle block is located at a position facing the collector and the collector, and a plurality of nozzles for discharging the polymer solution are two-dimensionally arranged at a predetermined arrangement pitch, and a high voltage is applied between the collector and the nozzle block.
  • a nanofiber manufacturing apparatus having a reciprocating drive unit for reciprocating a nozzle block in a predetermined reciprocating cycle along a width direction of a long sheet, wherein the reciprocating cycle of the reciprocating drive unit is independent for each electric field radiating apparatus. It is characterized by further comprising a reciprocating motion control device capable of controlling.
  • the nozzle arrangement pitch is different between at least two field radiating devices among the plurality of field radiating devices.
  • the nozzle arrangement pitch is the same among all the field radiating devices among the plurality of field radiating devices.
  • the reciprocating motion control device is the above-described method for each field radiating device based on the nozzle arrangement pitch in each field radiating device and the feeding speed of the long sheet. It is preferable to control the reciprocating cycle of the reciprocating drive unit.
  • the reciprocating motion control device can independently control the reciprocating distance of the reciprocating motion of the reciprocating motion drive unit for each electric field radiating device.
  • a nozzle block height control device capable of independently controlling the height position of the nozzle block in the direction along the collector from the nozzle block for each of the electric field radiating devices.
  • the reciprocating motion control unit capable of controlling the reciprocating cycle of the reciprocating drive unit independently for each field radiating device is used, all field radiating devices are used for "nozzle arrangement pitch and long sheet. It is possible to make the feed rate and the reciprocating cycle of the nozzle block not satisfy any specific relationship ”(see FIG. 6 (b) described later). As a result, the amount of polymer fibers deposited along the width direction of the long sheet is determined. It becomes possible to make uniform at all times.
  • the nozzle block is compared with the case where the nozzle arrangement pitches are the same for all the field radiators.
  • the nozzle arrangement pitch, the feed rate of the long sheet, and the reciprocating cycle of the nozzle block satisfy a certain relationship, and furthermore, the amount of deposition of polymer fibers along the width direction b of the long sheet W.
  • the material of the deposited nanofibers is different between the two field radiating devices (for example, PU and PAN) and the case where the diameter of the nanofibers to be deposited is made different (for example, 300 nm and 500 nm).
  • the nozzle arrangement pitch is the same among all the field radiators among the plurality of field radiators
  • the nozzle arrangement pitch is the same among all the field radiators among the plurality of field radiators. Even in this case, it is of course possible to always uniformize the deposition amount of the polymer fiber along the width direction of the long sheet.
  • the reciprocating motion control device is the above-described method for each field radiating device based on the nozzle arrangement pitch in each field radiating device and the feeding speed of the long sheet.
  • the feeding speed of the long sheet may vary during long-term field spinning.
  • the "arrangement pitch of the nozzle in the nozzle block, the feeding speed of the long sheet, and the reciprocating cycle of the nozzle block did not satisfy any specific relationship.
  • the nozzle arrangement pitch in a nozzle block, the conveyance speed of a long sheet, and the reciprocation period of a nozzle block satisfy any specific relationship.
  • the reciprocating cycle of the reciprocating drive section in each field radiating device is controlled while always considering the feed rate of the long sheet, the nozzle arrangement pitch in the nozzle block, the feed rate of the long sheet and the The occurrence of a reciprocating cycle satisfies a certain relationship ”can be reliably prevented in any field radiator, and furthermore, the ffm polymer fiber is formed along the width direction b of the long sheet W. The occurrence of a situation in which the deposition amount is not uniform can be prevented reliably.
  • the reciprocating motion control device is capable of independently controlling the reciprocating distance of the reciprocating motion of the reciprocating motion drive unit for each of the electric field radiating devices so that the nanofibers having different materials (for example, PU and PAN) or two or more field emission pitches having different nozzle array pitches may be used to stack nanofibers having different diameters (for example, 300 nm and 500 nm). It is always possible to reciprocate each nozzle block with an optimum reciprocating distance.
  • the nanofibers having different materials for example, PU and PAN
  • two or more field emission pitches having different nozzle array pitches may be used to stack nanofibers having different diameters (for example, 300 nm and 500 nm). It is always possible to reciprocate each nozzle block with an optimum reciprocating distance.
  • nanofiber manufacturing apparatus of the present invention further comprising a nozzle block height control device that can independently control the height position of the nozzle block in the direction along the collector from the nozzle block for each electric field radiating device, Field emission can be performed under optimum conditions for each field emission device.
  • the nozzle block is always in the grounded state, so the control of the reciprocating motion of the nozzle block and the height of the nozzle block are performed. Position control can be easily performed.
  • Nanofibers that can be used for a wide variety of medical materials such as carriers, electromechanical materials such as various sensor materials, regenerative medical materials, biomedical materials, medical MEMS materials, and biosensor materials.
  • FIG. 1 is a view for explaining a nanofiber manufacturing apparatus according to the embodiment.
  • FIG. 2 is a cross-sectional view of the field emission device.
  • 3 is a view for explaining the operation of the main controller.
  • FIG. 4 is a view showing a state when the height of the nozzle block is being adjusted.
  • FIG. 5 is a view showing a state when the nozzle block is reciprocating.
  • FIG. 6 is a view showing a principle that can evenly deposit the amount of polymer fibers along the width direction of a long sheet.
  • FIG. 8 is a view for explaining a conventional nanofiber manufacturing apparatus.
  • FIG. 1 is a figure for demonstrating the nanofiber manufacturing apparatus 1 which concerns on an Example.
  • 1 (a) is a front view of the nanofiber manufacturing apparatus 1
  • Figure 1 (b) is a plan view of the nanofiber manufacturing apparatus (1). 1, illustration of the polymer solution supply part and the polymer solution recovery part is omitted.
  • FIG.1 (a) some member is shown by sectional drawing.
  • 2 is a cross-sectional view of the field emission device 20.
  • 3 is a view for explaining the operation of the main controller 60.
  • the nanofiber manufacturing apparatus 1 which concerns on an Example carries out the conveying apparatus 10 and the conveying direction a which convey the elongate sheet
  • the electric field radiating apparatus As the electric field radiating apparatus, four electric field radiating apparatuses 20 arranged in series along a predetermined conveying direction a in which the long sheet W is conveyed are used. Equipped.
  • the nanofiber manufacturing apparatus 1 is disposed between the electric field radiating apparatus 20 and the air permeability measuring apparatus 40, and the heating apparatus 30 for heating the long sheet W in which the nanofibers are deposited. And a VOC processing apparatus 70 for burning and removing volatile components generated when the nanofibers are deposited on the long sheet W, and an electric field radiating apparatus which receives a signal from the main controller 60 and detects an abnormality.
  • An inert gas supply device 190 (not shown) is further provided to supply an inert gas to the electric field radiation chamber in 20.
  • the conveying apparatus 10 has the input roller 11 which injects the long sheet W, the winding roller 12 which winds up the long sheet W, the input roller 11, and the winding roller.
  • the auxiliary rollers 13 and 18 and the driving rollers 14, 15, 16 and 17 which are located between 12 are provided.
  • the feed roller 11, the winding roller 12, and the drive rollers 14, 15, 16, and 17 are comprised by the structure which is rotationally driven by the drive motor not shown.
  • the electric field radiator 20 faces the collector 100 having conductivity, the collector 150 attached to the case 100 through the insulating member 152, and the collector 150.
  • a high voltage (for example, 10 kV to 80 kV) is applied between the nozzle block 110 having a plurality of nozzles 112 to discharge the polymer solution, and the collector 150 and the nozzle block 110.
  • the positive electrode of the power supply device 160 is connected to the collector 150, and the negative electrode of the power supply device 160 is connected to the nozzle block 110 and the case 100.
  • the nozzle block 110 includes a plurality of upward nozzles 112 that discharge the polymer solution upward from the discharge port as a plurality of nozzles.
  • the nanofiber manufacturing apparatus 1 discharges a predetermined polymer solution from the discharge holes of the plurality of upward nozzles 112 while electroforming the nanofibers by overflowing the polymer solution from the discharge holes of the plurality of upward nozzles 112.
  • it is comprised so that the polymer solution which overflowed from the discharge port of several upward nozzle 112 may be collect
  • the some upward nozzle 112 is arrange
  • the number of the plurality of upward nozzles 112 is, for example, 36 (6 * 6 when arranged in the same number) and 21904 (148 * 148 when arranged in the same number). .
  • all the nozzle blocks 110 are directly grounded or grounded through the case 100.
  • the nozzle block having various sizes and various shapes can be used for the field radiating device of the present invention, the nozzle block 110 has a rectangular shape (including a square) of 0.5m to 3m, for example, when viewed from an upper surface. It has a visible size and shape.
  • the reciprocating drive unit 201 reciprocates the nozzle block 110 along the width direction b of the long sheet W.
  • the reciprocating drive unit 201 includes a reciprocating motor 204 in which an eccentric pin is mounted and rotates forward and backward.
  • the eccentric pin of the reciprocating motor 204 is engaged with the long hole formed in the lower surface of the nozzle block 110.
  • the nozzle block 110 reciprocates as the reciprocating motor 204 rotates forward and backward.
  • the reciprocating distance of the reciprocating motion of the nozzle block 110 may be the same for each field radiating device 20 or may be different for each field preventing device 20.
  • the reciprocating motion control device 200 can control the reciprocating motion cycle of the reciprocating motion drive unit 201 for each electric field emission device. As shown in FIG. 3, the reciprocating motion control apparatus 200 controls the reciprocating motor 204 in the reciprocating drive unit 201. The reciprocating motion period controlled by the reciprocating motion control device 200 may be the same as that of each electric field radiating device 20 or may be different from each electric field preventing device 20.
  • the reciprocating motion control device 200 is a reciprocating motion drive unit 201 in each field radiating device 20 based on the nozzle arrangement pitch in each field radiating device 20 and the feeding speed of the long sheet. Control the reciprocating cycle of
  • the nozzle block height variable part 221 is provided on the base stand, the nozzle block height variable motor 222 provided with the male screw in the rotating shaft, and the height variable stand which is installed in the lower surface of the reciprocating drive part 201, and the female thread was formed. It is provided.
  • the male screw formed on the rotating shaft of the nozzle block height variable motor 222 is screwed to the female screw formed on the height variable support. For this reason, as the nozzle block height variable motor 222 rotates forward and backward, the height variable support moves up and down along the height direction c, and the nozzle block 110 also moves up and down along the height direction c. Move.
  • the nozzle block height variable portion 221 is disposed near the flat edge of the nozzle block 110.
  • the nozzle block height control device 220 can independently control the height position of the nozzle block 110 in the direction along the collector 150 from the nozzle block 110 for each electric field emission device.
  • the nozzle block height control apparatus 220 drives control of the nozzle block height variable motor 222 in the nozzle block height variable part 221, as shown in FIG.
  • the power supply device 160 applies a high voltage between the collector 150 and the plurality of nozzles 112, measures the amount of current supplied from the power supply device 160, and measures the measured value as the main controller 60. Send to When the current supply stop signal is received from the main controller 60, the power supply is stopped.
  • the auxiliary belt device 170 includes an auxiliary belt 172 that rotates in synchronization with the feeding speed of the long sheet W, and five auxiliary belt rollers that assist the rotation of the auxiliary belt 172.
  • One or two or more auxiliary belt rollers 174 of the five auxiliary belt rollers 174 are driving rollers, and the remaining auxiliary belt rollers 174 are driven rollers. Since the auxiliary belt 172 is disposed between the collector 150 and the long sheet W, the long sheet W is smoothly conveyed without being pulled by the collector 150 to which the positive high voltage is applied. do.
  • the electric field radiator 20 is installed in a room adjusted to an atmosphere having a temperature of 20 ° C to 40 ° C and a humidity of 20% to 60%.
  • the heating device 30 is disposed between the electric field radiator 20 and the air permeability measuring device 40, and heats the long sheet W on which the nanofibers are deposited.
  • heating temperature changes with kinds of long sheet W and the nanofiber,
  • long sheet W can be heated at the temperature of 50 degreeC-300 degreeC.
  • the air permeability measuring device 40 reciprocates the air permeability measuring unit for measuring the air permeability of the long sheet W deposited on the nanofiber, and the air permeable measuring unit at a predetermined cycle along the width direction of the long sheet W. And a control unit for controlling the operation of the driving unit and the ventilation unit and the measuring unit, and receiving and processing the measurement results from the measuring unit.
  • the drive part and the control part are arranged in the main body part.
  • the inert gas supply device 190 includes an inert gas cylinder for supplying the inert gas, an inert gas supply line for supplying the inert gas to each electric field radiation chamber, and a signal of the inert gas in accordance with a signal from the main controller.
  • An on-off valve for supply control is provided.
  • the main control device 60 includes a transfer device 10, an electric field radiating device 20, a heating device 30, an air permeability measuring device 40, a VOC processing device 70, and an inert gas control.
  • the apparatus 190, the reciprocating drive unit 201, the nozzle block height variable portion 221, the polymer supply device and the polymer recovery device is controlled.
  • the VOC processing apparatus 70 burns out and removes volatile components generated when the nanofibers are deposited on the long sheet.
  • FIG. 4 is a diagram illustrating a state when the height of the nozzle block 110 is adjusted.
  • 4A is a view when the nozzle block 110 is in the standard height position
  • FIG. 4B is a view when the nozzle block 110 is in the highest height position
  • FIG. It is a figure when the nozzle block 110 is in the lowest height position.
  • 5 is a view showing a state when the nozzle block 110 is reciprocating.
  • 5 (a) is a view when the nozzle block 110 is in the standard position
  • Figure 5 (b) is a view when the nozzle block 110 is in the right end position
  • Figure 5 (c) is a nozzle block It is a figure when 110 is in a right end position.
  • the long sheet W is set in the conveying apparatus 10, after which the long sheet W is conveyed from the feeding roller 11 toward the take-up roller 12 at a predetermined conveying speed V, In each field radiator 20, a predetermined polymer solution is discharged from the nozzle 112 toward the collector 150 to sequentially deposit nanofibers on the long sheet W.
  • the long sheet W having the nanofibers deposited thereon is heated by the heating device 30.
  • the nanofiber nonwoven fabric which consists of an elongate sheet in which the nanofibers were deposited is manufactured.
  • the nozzle block height control device radiates the height position of the nozzle block 110 in the direction along the collector 150 from the nozzle block 110 before starting the field radiation, as shown in FIG. 4. Independent control for each device. Thereby, the height position of the nozzle block 110 can be determined in consideration of the spinning conditions of each field radiating device 20, the type of the polymer solution, the average diameter of the nanofibers, the thickness of the nanofiber nonwoven fabric, the air permeability, and the like. . Thereby, electric field emission can be performed in the state in which the distance between the nozzle block 110 and the collector 150 is set optimally.
  • the reciprocation motion control apparatus 200 controls the reciprocation cycle of the reciprocation motion drive part 202 independently for every electric field emission apparatus, after starting electric field emission, as shown in FIG.
  • the reciprocating cycle of the reciprocating drive unit 202 can be controlled based on the nozzle arrangement pitch in each field radiating device and the feeding speed of the long sheet. Thereby, it becomes possible to equalize the deposition amount of the polymer fiber along the width direction c of the elongate sheet W.
  • FIG. 6 is a figure which shows the principle which can make the deposit amount of the polymer fiber along the width direction c of the elongate sheet W uniform.
  • FIG. 6 (a) shows a case in which the nozzle arrangement pitch in the nozzle block 110, the feed speed of the long sheet W, and the reciprocating cycle of the nozzle block 110 satisfy any specific relationship. It is a figure which shows the trajectory of the nozzle.
  • FIG. 6 (b) shows a case in which the nozzle arrangement pitch in the nozzle block 110, the feed rate of the long sheet W, and the reciprocating cycle of the nozzle block 110 do not satisfy any specific relationship. It is a figure which shows the trajectory of the nozzle in this.
  • the nozzle arrangement pitch in the nozzle block 110, the feeding speed of the long sheet W, and the reciprocating cycle of the nozzle block 110 satisfy any specific relationship, as shown in FIG. 6A.
  • the trajectories of the nozzles 112 adjacent to each other along the conveying direction a overlap. For this reason, the deposit amount of the polymer fiber along the width direction b of the elongate sheet W cannot be made uniform.
  • a nonwoven fabric, a woven fabric, a knitted fabric, a film, or the like made of various materials can be used.
  • the thickness of a long sheet the thing of 5 micrometers-500 micrometers can be used, for example.
  • the length of a long sheet the thing of 10 m-10 km can be used, for example.
  • polylactic acid polypropylene
  • PVAc polyvinyl acetate
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PEN polyethylene naphtha Rate
  • PA Polyamide
  • PUR Polyurethane
  • PVA Polyvinyl Alcohol
  • PAN Poly Acrylonitrile
  • PAN Polyethylimide
  • PCL Polycaprolactone
  • PLGA Polylactic Acid Glycol Acids
  • silk cellulose, chitosan and the like
  • a solvent used for a polymer solution dichloromethane, dimethyl formamide, dimethyl sulfoxide, methyl ethyl ketone, chloroform, acetone, water, formic acid, acetic acid, cyclohexane, THF, etc. can be used, for example. You may mix and use multiple types of solvent.
  • the polymer solution may contain additives such as conductivity improvers.
  • Air permeability (P) of the nanofiber nonwoven fabric produced for example, can be set to 0.15cm 3 / cm 2 / s ⁇ 200cm 3 / cm 2 / s.
  • the feed speed can be set to, for example, 0.2 m / min to 100 m / min.
  • the voltage applied to the nozzle, the collector 150, and the nozzle block 110 may be set to 10 kV to 80 kV. Preferably, it is around 50 kV.
  • the temperature of the spinning zone can be set to 25 ° C, for example.
  • the humidity of the radiation zone can be set to 30%, for example.
  • the reciprocating motion control device 200 is provided. With all the field radiators 20, it is possible to "make the feed rate of the nozzle arrangement pitch and the long sheet W and the reciprocating cycle of the nozzle block 110 not satisfy any specific relationship." The deposition amount of the polymer fibers along the width direction b of the sheet W can be made uniform at all times.
  • the pitches of the nozzles 112 are different between at least two field radiating apparatuses 20 of the plurality of field radiating apparatuses 20, all of the field radiating apparatuses are used.
  • the nozzle arrangement pitches are the same with the apparatus, the situation in which "the nozzle arrangement pitch in the nozzle block, the feed rate of the long sheet and the reciprocating cycle of the nozzle block satisfies a certain relationship", and further, " Since the deposition rate of the polymer fiber along the width direction b of the elongate sheet W is not uniform, "the possibility of a situation arises is high, and the effect of this invention is especially large.
  • the reciprocating motion control device 200 is based on the nozzle arrangement pitch in each field radiating device 20 and the feeding speed of the long sheet W.
  • the reciprocating motion control device 200 can control the reciprocating distance of the reciprocating motion of the reciprocating motion drive unit 201 independently for each electric field radiating device, different materials are used. Even when two or more field emission devices with different nozzle arrangement pitches are used to stack nanofibers (PU and PAN) or nanofibers of different diameters (300 nm and 500 nm), the optimum reciprocating distance according to the nozzle arrangement pitch is always It becomes possible to reciprocate the nozzle block.
  • the height position of the nozzle block 110 in the direction along the collector 150 from the nozzle block 110 is independently controlled for each electric field radiator 20. Since the nozzle block height control apparatus 220 which can be provided is provided, it becomes possible to perform electric field emission on the optimum conditions for every electric field emission apparatus 20. FIG.
  • the nozzle blocks 110 in the plurality of electric field radiating apparatuses 20 are all grounded, the reciprocating motion of the nozzle block 110 and the nozzle block are controlled. It becomes possible to easily control the height position of 110.
  • the nanofiber production apparatus of the present invention has been described with the example of the nanofiber production apparatus having four field emission values as the field emission apparatus, but the present invention is not limited thereto.
  • the present invention can also be applied to a nanofiber production apparatus having two, three, or five or more field emission values.
  • the nanofiber production apparatus of the present invention has been described using a bottom-up field spinning device having an upward nozzle, but the present invention is not limited thereto.
  • the present invention may be applied to a top-down field radiator having a downward nozzle or a nanofiber production apparatus having a side field emission device having a side nozzle.
  • the nanofiber production apparatus of the present invention was described using an electric field shunt in which the positive electrode of the power supply was connected to the collector and the negative electrode of the power supply was connected to the nozzle block and the case. Is not limited to this.
  • the present invention is applied to a nanofiber manufacturing apparatus having an electric field shunt connected to a negative electrode of a power supply device connected to the collector 150 and a positive electrode of the power supply device connected to the nozzle block 110 and the case 100. You may.
  • the nozzle block is reciprocated by the eccentric pin fixed to the reciprocating drive motor and the nozzle block, but the present invention is not limited to this.
  • a stepping motor that can rotate left and right as a reciprocating drive motor may be used, and the nozzle block may be directly reciprocated by the stepping motor.
  • the present invention has been described using a nanofiber production apparatus in which one nozzle block is disposed in one field radiating device, but the present invention is not limited thereto.
  • 7 is a cross-sectional view of the field emission device 20a.
  • the present invention may be applied to a nanofiber production apparatus in which two nozzle blocks 110a1 and 110a2 are disposed in one field radiator 20a, and two or more nozzle blocks.
  • the present invention can also be applied to this excreted nanofiber manufacturing apparatus.
  • all nozzle blocks may be reciprocated at the same period, or each nozzle block may be reciprocated at different periods.
  • all nozzle blocks may have the same nozzle arrangement pitch, and each nozzle block may have a different nozzle arrangement pitch.
  • the reciprocating distance of the reciprocating motion may be the same with all the nozzle blocks, or the reciprocating distance of the reciprocating motion may be different with each nozzle block.
  • the height position of the nozzle block may be the same for all the nozzle blocks, or the height position of the nozzle block may be different for each nozzle block.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

La présente invention concerne un dispositif de fabrication de nano-fibres qui permet d'uniformiser en permanence la quantité de dépôt d'une fibre polymère dans le sens de la largeur d'une longue feuille. Le dispositif de fabrication de nano-fibres (1) est pourvu d'une pluralité de dispositifs d'émission de champ (20) agencés en série le long de la direction d'alimentation (a) de la longue feuille (W). Chaque dispositif de la pluralité de dispositifs d'émission de champ (20) est doté d'une unité d'entraînement en va-et-vient (201) qui anime d'un mouvement alternatif un bloc de buses (110) suivant un cycle de va-et-vient prédéfini, dans le sens de la largeur (b) de la longue feuille (W). La présente invention concerne, en outre, un dispositif de commande de va-et-vient (200) qui peut commander indépendamment le cycle de va-et-vient de l'unité d'entraînement en va-et-vient (201) pour chacun des dispositifs d'émission de champ (20).
PCT/KR2011/003057 2010-12-06 2011-04-27 Dispositif de fabrication de nano-fibres Ceased WO2012077866A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2010-272072 2010-12-06
JP2010272072A JP5815229B2 (ja) 2010-12-06 2010-12-06 ナノ繊維製造装置
KR10-2011-0016678 2011-02-24
KR1020110016678A KR101087387B1 (ko) 2010-12-06 2011-02-24 나노섬유 제조장치

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WO2012077866A1 true WO2012077866A1 (fr) 2012-06-14

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KR102424742B1 (ko) * 2022-06-23 2022-07-26 주식회사 휴먼텍스 친환경 원단 염색방법

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