WO2010143916A2 - 전기 방사용 분사 노즐과 이를 사용한 전기 방사 장치 - Google Patents
전기 방사용 분사 노즐과 이를 사용한 전기 방사 장치 Download PDFInfo
- Publication number
- WO2010143916A2 WO2010143916A2 PCT/KR2010/003779 KR2010003779W WO2010143916A2 WO 2010143916 A2 WO2010143916 A2 WO 2010143916A2 KR 2010003779 W KR2010003779 W KR 2010003779W WO 2010143916 A2 WO2010143916 A2 WO 2010143916A2
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- WIPO (PCT)
- Prior art keywords
- air
- needle
- raw material
- nozzle
- electrospinning
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
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- 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
- D01D4/06—Distributing spinning solution or melt to spinning nozzles
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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
Definitions
- the present invention relates to a spray nozzle for electrospinning and an electrospinning apparatus using the same, and more particularly, to the pure electrospinning and air electrospinning.
- electrospinning is to discharge a fiber solution to which a voltage is applied to obtain a fine diameter fiber.
- the electrospinning is deformed during the electrostatic spraying process in which fine filaments are released from the surface of the droplets when high voltage is applied to the droplets suspended by the capillary ends by the surface tension.
- the electrospinning is a phenomenon in which a fiber is formed when a polymer solution or a melt having a sufficient viscosity is applied with an electrostatic force, and thus a fiber having a fine diameter can be obtained in a fiber raw material solution. It is used to make nanofibers.
- the nanofiber Compared with the conventional microfiber, the nanofiber has a high surface area per unit volume and has various surface properties and structures, which are essential materials for high-tech industries such as electrical, electronic, environmental, and life-cycle filter materials for the industrial, electrical and electronic industries, The range of their use is widening with medical biomaterials and the like.
- the nanofibers are usually manufactured using an electrospinning nozzle for injecting a fiber raw material liquid through air.
- the electrospinning injection nozzle is formed in the body of the spinneret and the raw material liquid discharge unit for discharging the fiber raw material liquid;
- An air nozzle part formed around the raw material liquid discharge part in the body of the spinneret and having an air jetting hole communicating downwardly from the raw material liquid discharge part to discharge the fiber raw material liquid discharged from the raw material liquid discharge part; It is injected along with the compressed air supplied in the direction from the outside to the bottom of the raw material liquid discharge portion through.
- the electrospinning apparatus also includes a collector for collecting the fibers spun from the electrospinning spray nozzle.
- electrospinning is performed by connecting a + electrode and a-electrode to the electrospinning nozzle and the collector, respectively, due to the voltage difference.
- the electrospinning nozzle is spraying a fiber raw material solution with compressed air to electrospin nanofibers having a diameter of several hundreds of nm.
- the electrospinning nozzle is provided such that an end of the raw material liquid ejecting portion is recessed into the air jetting hole so as to smoothly spray the spraying nozzle.
- the electrospinning nozzle has a problem in that when the fiber raw material is discharged in general electrospinning to discharge only the fiber raw material liquid, the emitted fiber is caught in the air injection hole to block the air injection hole. There is a problem that is used only to produce nanofibers having a fine diameter of several hundred nm.
- Another electrospinning nozzle has also been proposed in which an end portion of the raw material liquid ejecting portion protrudes out of the air injection hole.
- the other electrospinning nozzles are limited in the protruding length of the raw material liquid discharge part to 1 to 3 mm for stable electrospinning, and the protruding length is not capable of pure electrospinning by discharging only the fiber raw material liquid without air injection.
- a product having various types of tissue layers having different fiber diameters is manufactured by using a pure electrospinning nozzle that discharges only a fiber raw material liquid from an electrospinning apparatus and a pure electrospinning nozzle that supplies air and an air electrospinning nozzle that supplies air. If you need to provide two types of nozzles separately, it requires a lot of equipment costs, there was a closed end that must be used to replace the electrospinning nozzle from time to time.
- the electrode is directly connected to the body of the spinneret, so that a current flows in the solution supplied into the raw material discharge part, so that a magnetic field leaks from the body of the spinneret to the outside, thereby smoothing the electrospinning.
- a current flows in the solution supplied into the raw material discharge part, so that a magnetic field leaks from the body of the spinneret to the outside, thereby smoothing the electrospinning.
- the conventional electrospinning nozzle has a problem in that it is formed of a metallic material as a conductor to directly connect the electrodes, which is heavy in weight and expensive in manufacturing cost.
- the present invention is an electric room capable of selectively performing a general electrospinning (pure electrospinning) spinning only the fiber raw material liquid or air electrospinning (manufacture of nanofibers with a fine diameter by spraying the fiber raw material liquid with high-pressure air) To provide a spray nozzle used and an electrospinning apparatus using the same.
- the object of the present invention is a nozzle body member having a needle coupling hole is formed in the lower surface and an air passage for supplying and discharging the raw material liquid supply passage and the air in communication with the needle coupling hole;
- An air jacket member detachably mounted to the lower portion of the nozzle body member and forming an air discharge flow path spaced apart from the lower surface of the nozzle body member, and having an injection hole communicating with the needle coupling hole and the air discharge flow path;
- an electrospinning spray nozzle including a needle member which penetrates the spray hole from the lower portion of the air jacket member and is coupled to the needle engaging hole.
- the object of the present invention is a nozzle body member having a needle coupling hole is formed in the lower surface and the raw material liquid supply passage communicating with the needle coupling hole and the air passage for receiving and discharging air therein;
- An air jacket member detachably mounted to the lower portion of the nozzle body member and forming an air discharge flow path spaced apart from the lower surface of the nozzle body member, and having an injection hole communicating with the needle coupling hole and the air discharge flow path;
- a needle member coupled to the needle coupling hole through the injection hole at the bottom of the air jacket member
- a voltage applying member connected to the raw material liquid supply passage of the nozzle body member to store a fiber raw material liquid and apply a voltage
- a raw material supply unit for supplying a fiber raw material liquid to the voltage applying member
- An air supply unit supplying air to the air flow path of the nozzle body member
- an electrospinning apparatus including a collector for collecting the spinning fibers discharged from the needle member in a web state.
- general electrospinning and air electrospinning may be selectively selected, and thus the shape of the radiation may be freely adjusted according to the structure of the nanoweb and the shape of the product.
- the present invention can be used to mix the radial form in one line process has the effect of manufacturing a product in which the various layers of tissue layers are laminated.
- the present invention has the effect of enabling a stable electrospinning with a small voltage by applying a voltage to the fiber raw material liquid.
- 1 to 2 is a longitudinal cross-sectional view of the present invention injection nozzle for electrospinning
- FIG. 3 is a cross-sectional view of the present invention injection nozzle for electrospinning
- Figure 4 is a cross-sectional view of the use state showing an embodiment of the present invention injection nozzle for electrospinning
- FIG. 5 is a schematic view showing the present invention electrospinning apparatus
- the nozzle body member 20 of the present invention has a needle coupling hole 21 to which the needle member 10 to be described later is coupled.
- the needle coupling hole 21 may be provided in plural to be spaced apart from the lower surface of the nozzle body member 20 to allow a variety of designs according to the width of the fiber produced by coupling the plurality of needle member (10).
- the nozzle body member 20 has a raw material liquid supply passage 22 communicating with the plurality of needle coupling holes 21 therein, and an air passage 23 for receiving and discharging air is formed.
- the air flow path 23 is to discharge the air to the air discharge path formed between the air jacket member 30 to be described later.
- the air jacket member 30 is detachably mounted to the lower portion of the nozzle body member 20.
- An air discharge passage 35 is formed between the lower surface of the nozzle body member 20 and the air jacket member 30 to communicate with the air passage 23 to discharge the air of the air passage 23. .
- the air jacket member 30 has an injection hole 31 communicating with the needle coupling hole 21 in a vertical direction.
- the injection hole 31 communicates with the air discharge passage 35 to inject air from the air discharge passage 35 downward.
- the needle member 10 has upper and lower discharge ports and discharges the fiber raw material solution through the discharge holes, and is provided in a plurality corresponding to each of the needle coupling holes 21.
- the needle member 10 is made of a conductive material to achieve a smooth electrospinning.
- the needle member 10 is detachably coupled to the lower surface of the needle coupling hole 21 through the injection hole 31 of the air jacket member 30.
- the needle member 10 is press-fitted into the needle coupling hole 21 and coupled thereto.
- the needle member 10 is press-fitted into the needle coupling hole 21 so as to allow air to pass through the injection hole 31 and to the outer circumference thereof.
- the air jacket member 30 has a block insertion groove portion (30a) is opened at the top,
- the nozzle body member 20 has a needle coupling hole 21 to which the needle member 10 is coupled to a lower surface thereof, and a fiber raw material as an outlet of the needle member 10 coupled to the needle coupling hole 21.
- a nozzle block portion 20a having a raw material liquid supply flow passage 22 for supplying a liquid therein;
- nozzle block portion 20a It is coupled to the upper portion of the nozzle block portion 20a and includes a cover body portion 20b detachably mounted to the upper portion of the air jacket member 30.
- the nozzle block portion 20a is inserted into the block insertion groove portion 30a of the air jacket member 30 to form an air discharge passage 35 between the air jacket member 30 and the air discharge passage 35.
- An air flow path 23 for discharging to the c) is formed therein.
- a gap communicating with the air flow passage 23 is formed between the bottom surface of the nozzle block portion 20a and the bottom surface of the block insertion groove portion 30a to form an air discharge flow passage 35.
- the O-ring member 40 sealing the air discharge passage 35, that is, around the injection hole 31, is disposed between the lower surface of the nozzle block portion 20a and the bottom surface of the block insertion groove portion 30a. It includes more.
- the nozzle body member 20 is coupled to the nozzle block portion 20a to which the needle member 10 is pressed and the nozzle block portion 20a to be detachably mounted to the air jacket member 30. Separated by 20b, the material of the nozzle block 20a and the cover body 20b may be manufactured differently.
- the nozzle block portion 20a is made of Tefron material which can press and couple the needle member 10 through the needle coupling hole 21.
- cover body 20b or the air jacket member 30 is preferably manufactured using any one of polyether ether ketone (PEEK), acetal (POM; Polyoxymethylene), and MC nylon (Mono Cast Nylon).
- PEEK polyether ether ketone
- POM Polyoxymethylene
- MC nylon Mono Cast Nylon
- Polyether ether ketone PEEK
- acetal POM; Polyoxymethylene
- MC nylon Mono Cast Nylon
- the air flow passage 23 of the nozzle block portion 20a is formed to penetrate both sides of the nozzle block portion 20a, and the first flow passage 23b in which both side ends thereof are blocked by the second plug 25 is formed.
- Second flow passages 23c which are penetrated through the lower portion of the nozzle block portion 20a from both sides of the first flow passage 23b divided into the main air flow passages 23a to supply air into the air discharge flow passages 35c. It includes.
- the main air flow passage 23a is coupled to the cover body portion 20b and communicates with the second pipe connector 27 connected to the air supply unit 70 to receive high pressure air.
- the cover body portion 20b includes a first pipe connector 26 for supplying fiber raw material liquid to the raw material liquid supply passage 22 and a second pipe connector 27 for supplying air to the air flow path 23. Join through.
- the nozzle block portion 20a and the cover body portion 20b are provided with bolts that are fastened to the upper portion of the nozzle block portion 20a on the end side of the first pipe connector 26 or the second pipe connector 27. It is to be integrated by the fastening of the bolt portion.
- both sides of the air jacket member 30 protrudes in a longitudinal direction from the mounting portion 32 which is detachably mounted to the lower surface of the cover body portion 20b.
- the cover body portion 20b and the air jacket member 30 are detachably mounted to the bolt member 33 which is fastened to the nut 34 inserted into the mounting portion 32 through the cover body portion 20b.
- the raw material liquid supply passage 22 of the nozzle block portion 20a passes through both end portions in the horizontal direction, communicates with the needle coupling hole 21, and the main raw material liquid supply passage whose end is blocked by the first plug 24. 22a and a vertical supply passage 22b that vertically penetrates the main raw material liquid supply passage 22a and communicates with the upper surface of the nozzle block portion 20a.
- the vertical supply path 22b is connected to the first pipe connector 26 to be coupled to the cover body portion 20b.
- the plurality of needle members 10 protrude uniformly into the raw material liquid supply passage 22, that is, the main raw material liquid supply passage 22 a, through the needle coupling hole 21. It is desirable to combine.
- the needle member 10 may be inserted into the needle coupling hole 21 so that the upper end portion is uniformly protruded into the main raw material liquid supply passage 22a by using a needle press-fit jig that constantly grips the needle member 10. It is press fit.
- the needle press-fit jig is coupled to the part holding the needle member 10 is caught to the lower portion of the air jacket member 30 so that the upper end of the needle member 10 protrudes into the main raw material liquid supply passage 22a constantly.
- the protruding height of the needle member 10 may be modified according to the viscosity of the fiber raw material solution, in the present invention is based on protruding to a height within 3 ⁇ 5mm.
- the needle member 10 protrudes irregularly into the raw material liquid supply passage 22
- the needle member 10 protrudes from a low level. In turn, the fiber raw material liquid is discharged.
- the fiber raw material liquid is supplied to the needle member 10 in the order of approaching the vertical supply path 22b, and thus a plurality of In the needle member 10 of the electrospinning is not made at the same time, there is a problem that a deviation occurs in the collected fiber layer after the electrospinning.
- the raw material supply liquid is supplied to the raw material liquid supply flow path 22 in a state where the upper end of the needle member 10 protrudes to the inside of the raw material liquid supply flow path 22 and then the raw material supply flow path ( After gradually increasing from the bottom surface of 22, the upper ends of the plurality of needle members 10 are simultaneously supplied to each needle member 10 at a protruding height.
- the needle member 10 is the injection hole 31 of the air jacket member 30 so as to enable stable air electrospinning while the air jacket member 30 is mounted to the nozzle body member 20 It is injected into me.
- the needle member 10 is disposed to protrude to a length of 1 to 4mm below the air jacket member 30.
- the electrospinning injection nozzle of the present invention is the needle member 10 through the fiber raw material liquid through the raw material liquid supply passage 22 in the state in which the air jacket member 30 is coupled to the nozzle body member 20 By supplying a high pressure air to the injection hole 31 through the air flow path 23 to allow the air electrospinning to air-inject the fiber raw material liquid.
- the air electrospinning is to produce nanofibers having a fine diameter.
- the electrospinning spray nozzle when the air jacket member 30 is separated from the nozzle body member 20 as shown in Figure 4, the needle member 10 discharges only the fiber raw material liquid without air injection The general radiation that is emitted is stably exposed beyond the possible length.
- the present invention electrospinning spray nozzle is to discharge the fiber raw material through the needle member 10 without the air injection by separating the air jacket member 30 to be able to stabilize the normal electrospinning.
- a needle coupling hole 21 is formed at a lower surface of the electrospinning nozzle as shown in FIG. 22) and a nozzle body member 20 formed therein with an air passage 23 for receiving and discharging air;
- the air outlet flow path 35 is detachably mounted to the lower portion of the nozzle body member 20 and spaced apart from the bottom surface of the nozzle body member 20, and the needle coupling hole 21 and the air discharge flow path ( An air jacket member 30 having an injection hole 31 communicating with 35;
- a voltage applying member (50) connected to the raw material liquid supply passage (22) of the nozzle body member (20) to temporarily store the fiber raw liquid and apply a voltage thereto;
- An air supply unit 70 supplying air to the air flow path 23 of the nozzle body member 20;
- a collector 80 for collecting the spinning fibers discharged from the needle member 10 in a web state.
- the electrospinning apparatus further includes a voltage applying means 90 to which one electrode for applying a voltage is connected to the fiber raw material liquid stored in the voltage applying member 50, and the other electrode is grounded to generate a voltage difference. Include.
- the raw material supply unit 60 is a raw material storage tank 61 for storing the fiber raw material liquid and the first hose 62 connected to the voltage applying member 50 in the raw material storage tank 61, the raw material in the voltage applying member 50
- the fiber raw material liquid is supplied to the first flow path 23b through the voltage applying member 50 including the second hose 63 connected to the liquid supply flow path 22.
- first hose 62 or the second hose 63 is equipped with a flow control valve for controlling the supply amount of the fiber raw material liquid to control the supply amount of the fiber raw material liquid supplied to the raw material liquid supply passage 22 It is desirable to.
- the second hose 63 is connected to the first pipe connector 26 mounted on the raw material liquid supply passage 22 on the upper surface of the nozzle body member 20 to supply the fiber raw material liquid in which current flows. It is supplied to (22).
- the fiber raw material liquid supplied from the raw material storage tank 61 is temporarily stored in the voltage applying member 50 and then voltage is applied to the fiber raw material liquid.
- One of the electrodes of the voltage applying means 100 is connected to the fiber raw material liquid stored in the voltage applying member 60, and the other electrode is grounded, so that the nozzle member 10 and the nozzle member 10 It is to provide a voltage difference capable of electrospinning between the collectors 90 collecting the fibers in the electrospun web state.
- the collector 80 includes: a first winding reel 81 on which a fiber collecting sheet member 81a such as a mock paper, a nonwoven fabric, a film, etc., which receives the electrospun fibers, is wound;
- a fiber collecting sheet member 81a such as a mock paper, a nonwoven fabric, a film, etc., which receives the electrospun fibers, is wound;
- the second winding is provided to be spaced apart from the first winding reel 81, the end of the fiber collecting sheet member 81a wound on the first winding reel 81 is rotated by a motor to wind and wind the fiber collecting sheet.
- a space between the first winding reel 81 and the second winding reel 82 is provided to move the fiber collecting sheet member 81a moved from the first winding reel 81 to the second winding reel 82.
- a third winding reel 84 provided on the second winding reel 82 side to rotate by a motor to wind and wind the spinning fibers collected on the fiber collecting sheet member 81a.
- the fibers electrospun through the needle member 10 are collected in a web state on the surface of the fiber collecting sheet member 81a and moved together with the fiber collecting sheet member 81a to the third winding reel 84. It is a cold.
- the fiber collecting sheet member 81a wound on the second winding reel 82 may be separated and recombined to the first winding reel 81 to be reused.
- the air jacket member 30 is coupled to and separated from the nozzle body member 20 to be able to selectively the general electrospinning (Pure Electrospinning), air electrospinning (Air Electrospinning).
- Embodiments of the nozzle body member 20, the air jacket member 30, and the needle member 10 including the same have been described above in detail, and thus, descriptions thereof will not be repeated.
- the air supply unit 70 includes an air storage tank 71 for storing air;
- An air supply pipe (72) connected to the first flow path (23b) in the air storage tank (71);
- An air control valve (73) mounted to the air supply pipe (72) to open and close a pipe of the air supply pipe (72);
- a sensor 74 interposed between the nozzle body member 20 and the coupling surface of the air jacket member 30 to detect a state in which the air jacket member 30 is separated and coupled;
- valve control unit 75 connected to the sensor 74 and the air control valve 73 to open and close the air control valve 73 with a signal detected by the sensor 74.
- the valve control unit 75 may be connected to the flow rate control valves of the first hose 62 and the second hose 63 to control the opening and closing of the flow rate control valve.
- the senor 74 is mounted on the lower surface of the nozzle body member 20, that is, the lower surface of the cover body portion 20b, and uses a contact detection sensor that contacts the upper surface of the air jacket member 30. do.
- the sensor 74 is based on detecting the state in which the air jacket member 30 is coupled to or separated from the lower portion of the nozzle body member 20, and variously modified to other known sensors 74. It can be done.
- the valve control unit 75 receives a signal detected by the sensor 74 that the air jacket member 30 is in a separated state so that the air control valve 73 blocks the conduit of the air supply pipe 72. To control.
- the sensor 74 detects this and transmits the same to the valve control unit 75.
- the valve control unit 75 receives the signal to operate the air control valve 73 to control to open the conduit of the air supply pipe (72).
- the fiber raw material liquid is injected into the needle member 10 by air or heating air by supplying air or heating air to thereby radiate air electrospinning. ) Or hot air electrospinning.
- the electrospinning apparatus of the present invention automatically detects the coupling and disconnection state of the air jacket member 30 to control the air supply, thereby enabling stable electrospinning according to the form of electrospinning without a separate operation of controlling the air supply.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims (10)
- 하부면에 니들 결합 구멍이 형성되며 상기 니들 결합 구멍과 연통되는 원료액 공급 유로 및 공기를 공급받아 배출하는 공기 유로가 내부에 형성된 노즐 몸체부재와;상기 노즐 몸체부재의 하부로 분리 가능하게 장착되고 상기 노즐 몸체부재의 하부면과 이격된 공기 배출 유로를 형성하고 상기 니들 결합 구멍 및 상기 공기 배출 유로에 연통되는 분사 구멍이 형성된 에어 자켓부재와;상기 에어 자켓부재의 하부에서 상기 분사 구멍을 관통하여 상기 니들 결합 구멍으로 결합되는 니들부재를 포함한 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 1에 있어서,상기 니들부재는 상기 니들 결합 구멍에 압입되어 결합하는 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 1에 있어서,상기 노즐 몸체부재는 하부면에 상기 니들부재가 결합되는 니들 결합 구멍이 형성되고, 상기 니들 결합 구멍에 결합된 상기 니들부재의 토출구로 섬유 원료액을 공급하는 원료액 공급 유로가 내부에 형성된 노즐 블록부와;상기 노즐 블록부의 상부에 결합되며 상기 에어 자켓부재의 상부로 분리 가능하게 장착되는 커버 몸체부를 포함하며,상기 노즐 블록부는 상기 에어 자켓부재의 블록 삽입홈부로 삽입되어 상기 에어 자켓부재와의 사이에 공기 배출 유로를 형성하며, 상기 공기 배출 유로로 배출하는 공기 유로가 내부에 형성된 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 3에 있어서,상기 노즐 블록부의 하부면과 블록 삽입홈부의 바닥면 사이에 개재되어 상기 공기 배출 유로를 실링하는 오링부재를 더 포함한 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 3에 있어서,상기 노즐 블록부는 테프론 재질(Tefron)로 제조하고, 상기 커버 몸체부 또는 에어 자켓부재는 PEEK(Poly ether ether ketone), 아세탈(POM; Polyoxymethylene), MC 나일론(Mono Cast Nylon) 중 어느 하나를 사용하여 제조되는 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 3에 있어서,상기 노즐 블록부의 공기 유로는 노즐 블록부의 양 측면을 관통하여 형성되며 관통된 양 측단이 제 2 마개로 막혀지는 제 1 유로와,상기 제 1 유로의 중앙에서 노즐 블록부의 상부로 관통되는 메인 공기 유로와;상기 메인 공기 유로로 분할된 제 1 유로의 양 쪽에서 상기 노즐 블록부의 하부로 각각 관통되게 뚫려 상기 공기 배출 유로 내로 공기를 공급하는 제 2 유로를 포함한 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 1에 있어서,상기 노즐 몸체부재는 이격된 복수의 니들 결합 구멍이 형성되며,상기 원료액 공급 유로는 복수의 니들 결합 구멍에 연통되는 메인 원료액 공급로를 포함하며,상기 복수의 니들 결합 구멍에는 각각의 니들부재는 단부가 상기 메인 원료액 유로 내로 일정하게 돌출되게 결합하는 것을 특징으로 하는 전기 방사용 분사 노즐.
- 청구항 1에 있어서,상기 노즐 몸체부재와 에어 자켓부재 사이에는 에어 자켓부재가 분리, 결합된 상태를 감지하는 센서가 개재되는 것을 특징으로 하는 전기 방사용 분사 노즐.
- 니들 결합 구멍이 형성되며 상기 니들 결합 구멍과 연통되는 원료액 공급 유로 및 공기를 공급받아 배출하는 공기 유로가 내부에 형성된 노즐 몸체부재와;상기 노즐 몸체부재의 하부로 분리 가능하게 장착되고 상기 노즐 몸체부재의 하부면과 이격된 공기 배출 유로를 형성하고 상기 니들 결합 구멍 및 상기 공기 배출 유로에 연통되는 분사 구멍이 형성된 에어 자켓부재와;상기 에어 자켓부재의 하부에서 상기 분사 구멍을 관통하여 상기 니들 결합 구멍으로 결합되는 니들부재와;상기 노즐 몸체부재의 원료액 공급 유로로 연결되며 섬유 원료액을 저장하여 전압을 인가하는 전압 인가부재와;상기 전압 인가부재에 섬유 원료액을 공급하는 원료 공급부와;상기 노즐 몸체부재의 공기 유로로 공기를 공급하는 공기 공급부와;상기 니들부재로부터 토출된 방사 섬유를 웹상태로 포집하는 콜렉터를 포함한 것을 특징으로 하는 전기 방사 장치.
- 청구항 9에 있어서,상기 공기 공급부는 공기를 저장한 공기 저장 탱크와;상기 공기 저장 탱크에서 제 1 유로로 연결되는 공기 공급관과;상기 공기 공급관에 장착되어 공기 공급관의 관로를 개폐하는 공기 조절 밸브와;상기 노즐 몸체부재와 에어 자켓부재의 결합면 사이에 개재되어 상기 에어 자켓부재가 분리, 결합된 상태를 감지하는 센서와;상기 센서와 상기 공기 조절 밸브에 연계되어 상기 센서에서 감지된 신호로 공기 조절 밸브를 개폐하는 밸브 제어부를 포함한 것을 특징으로 하는 전기 방사 장치.
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JP2012514888A JP5281197B2 (ja) | 2009-06-12 | 2010-06-11 | 電気紡糸用噴射ノズルとこれを用いた電気紡糸装置 |
CN201080031458.3A CN102803584B (zh) | 2009-06-12 | 2010-06-11 | 用于电纺丝的射出喷嘴及使用该射出喷嘴的电纺丝装置 |
RU2012100756/12A RU2493298C1 (ru) | 2009-06-12 | 2010-06-11 | Инжекционное сопло для электропрядения и устройство электропрядения, его использующее |
US13/376,399 US8550798B2 (en) | 2009-06-12 | 2010-06-11 | Injection nozzle for electrospinning and electrospinning device using same |
BRPI1010699-5A BRPI1010699B1 (pt) | 2009-06-12 | 2010-06-11 | Bocal de injeção para eletrofiação e dispositivo de eletrofiação usando o mesmo |
EP10786399.5A EP2441862B1 (en) | 2009-06-12 | 2010-06-11 | Injection nozzle for electrospinning and electrospinning device using same |
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KR1020090052114A KR101060224B1 (ko) | 2009-06-12 | 2009-06-12 | 전기 방사용 분사 노즐과 이를 사용한 전기 방사 장치 |
KR10-2009-0052114 | 2009-06-12 |
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US (1) | US8550798B2 (ko) |
EP (1) | EP2441862B1 (ko) |
JP (1) | JP5281197B2 (ko) |
KR (1) | KR101060224B1 (ko) |
CN (1) | CN102803584B (ko) |
BR (1) | BRPI1010699B1 (ko) |
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JP2012197526A (ja) * | 2011-03-20 | 2012-10-18 | Shinshu Univ | セパレーター製造装置 |
CN103215659A (zh) * | 2012-01-19 | 2013-07-24 | 康迪普罗生物技术公司 | 用于制造纳米纤维和微米纤维材料的组合式纺丝喷嘴 |
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EP2441862A2 (en) | 2012-04-18 |
RU2012100756A (ru) | 2013-07-20 |
KR101060224B1 (ko) | 2011-08-29 |
CN102803584A (zh) | 2012-11-28 |
CN102803584B (zh) | 2015-07-01 |
KR20100133524A (ko) | 2010-12-22 |
EP2441862A4 (en) | 2012-11-07 |
JP5281197B2 (ja) | 2013-09-04 |
WO2010143916A3 (ko) | 2011-04-28 |
JP2012529575A (ja) | 2012-11-22 |
BRPI1010699A2 (pt) | 2016-03-15 |
RU2493298C1 (ru) | 2013-09-20 |
BRPI1010699B1 (pt) | 2020-08-04 |
EP2441862B1 (en) | 2017-03-15 |
US8550798B2 (en) | 2013-10-08 |
US20120088003A1 (en) | 2012-04-12 |
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