KR930018066A - Spinning method and apparatus of pitch-based hollow carbon fiber - Google Patents

Spinning method and apparatus of pitch-based hollow carbon fiber Download PDF

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Publication number
KR930018066A
KR930018066A KR1019920001801A KR920001801A KR930018066A KR 930018066 A KR930018066 A KR 930018066A KR 1019920001801 A KR1019920001801 A KR 1019920001801A KR 920001801 A KR920001801 A KR 920001801A KR 930018066 A KR930018066 A KR 930018066A
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South Korea
Prior art keywords
pitch
nitrogen
hollow
spinning
fiber
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KR1019920001801A
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Korean (ko)
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KR940006375B1 (en
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이보성
김종필
조영근
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이병국
한일시멘트공업 주식회사
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Priority to KR1019920001801A priority Critical patent/KR940006375B1/en
Publication of KR930018066A publication Critical patent/KR930018066A/en
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Publication of KR940006375B1 publication Critical patent/KR940006375B1/en

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Inorganic Fibers (AREA)

Abstract

이 발명은 피치계 중공탄소섬유의 방사방법 및 장치에 관한 것이다.The present invention relates to a spinning method and apparatus for pitch-based hollow carbon fibers.

방사방법은 방사기 내의 용융 피치 내부와 용융피치 표면에 질소를 특정 압력 및 속도로 공급하고 권취속도를 조절하여 중공탄소섬유를 제조하는 단계로 이루어져 있고, 방사장치는 방사기, 예열기, 온도 조절기, 2개의 질소 공급파이프로 방사노즐 권취기로 구성되어 있다. 방사노즐은 여러개로 할수 있음이 한 특징이다.The spinning method consists of supplying nitrogen to the inside of the melt pitch and the surface of the melt pitch at a specific pressure and speed, and manufacturing a hollow carbon fiber by adjusting the winding speed.The spinning apparatus includes a spinning machine, a preheater, a temperature controller, two It consists of a spinneret winder with a nitrogen supply pipe. One feature of the radiation nozzle can be multiple.

Description

피치계 중공탄소섬유의 방사방법 및 장치Spinning method and apparatus of pitch-based hollow carbon fiber

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 피치계 중공탄소섬유를 제조하기 위한 방사기의 개략도와 방사노즐의 상세도, 제2a도는 석유계 방사섬유의 안정화 공정도, 제2b도는 콜타르계 메조페이스 방사섬유의 안정화 공정도, 제3도는 제2a도 및 제2b도에 의해서 안정화된 섬유를 탄화시키는 탄화공정도, 제4a도는 석유계 피치 중공탄소섬유의 SEM 사진, 제4b도는 콜타르계 메조페이스 피치 중공탄소섬유의 SEM 사진.1 is a schematic view of the spinning machine for producing a pitch-based hollow carbon fiber according to the present invention and a detailed view of the spinning nozzle, Figure 2a is a stabilization process diagram of petroleum-based spinning fiber, Figure 2b is a stabilization process of coal tar mesophase spinning fiber 3 is a carbonization process diagram for carbonizing the fibers stabilized by FIGS. 2a and 2b, FIG. 4a is an SEM photograph of petroleum pitch hollow carbon fibers, and FIG. 4b is an SEM of coal tar mesophase pitch hollow carbon fibers. Picture.

Claims (2)

석유계 피치 또는 콜타르 피치계 메조페이스 피치를 방사기 내부에서 용융시키고, 용융된 피치 표면에 1-5㎏f/㎤의 압력 및 8.5-15ml/시간의 질소를 공급하여 용융피치를 방사시킴과 동시에 용융된 피치의 내부에는 외경이 22-120㎛이고 내경이 10-80㎛인 중공 방사섬유가 형성될 수 있도록 하는 악력을 지닌 질소를 150-300ml/시간의 속도로 공급하여 중공 방사섬유를 형성시키고, 형성된 중공방사섬유를 공기 산화하여 안정시키고 안정화된 중공섬유를 질소분위기 항에서 탄화시키는 단계로 이루어진 피치계 중공 탄소섬유의 방사방법.Melting the petroleum pitch or coal tar pitch mesoface pitch inside the spinning machine and supplying 1-5 kgf / cm3 pressure and 8.5-15 ml / hour nitrogen to the molten pitch surface to spin the melt pitch The inside of the pitch is supplied with nitrogen having a grip force to form a hollow spinning fiber having an outer diameter of 22-120㎛ and an inner diameter of 10-80㎛ at a rate of 150-300ml / hour to form a hollow spinning fiber, A method of spinning a pitch-based hollow carbon fiber comprising a step of carbonizing the formed hollow spun fiber to stabilize the air and carbonizing the stabilized hollow fiber in a nitrogen atmosphere term. 콜타프 피치 또는 석유계 피치가 용융될 방사기(1), 방사기(1)주변의 예열기 (2), 피치가 최적의 상태로 용융될수 있도록 예열기의 온도를 제어하는 온도 조절기(3), 방시기(1)내의 용융피치 표면에 질소가 유입되어 방사압력을 제공하기 위한 질소 공급 파이프(4), 방사기(1)내의 용융피치 내부에 질소가 공급되어 중공 방사섬유가 형성될수 있도록 하는 질소를 공급하기 위한 또다른 질소 공급파이프(5), 용융된 피치가 질소에 의해 방사되고 중공이 형성되는 하나 또는 그 이상의 방사노츨(6), 방사된 중공섬유를 권취하는 권취기(7)로 구성된 피치계 중공탄소섬유 방사장치.Coalt pitch or petroleum pitch radiator (1) to be melted, preheater (2) around the radiator (1), temperature controller (3) to control the temperature of the preheater so that the pitch can be melted optimally, 1) Nitrogen supply pipe 4 for supplying the spinning pressure by introducing nitrogen to the surface of the molten pitch in the molten pitch, and nitrogen for supplying the nitrogen inside the molten pitch in the spinner 1 to form hollow spinning fibers. Another nitrogen supply pipe (5), a pitch-based hollow consisting of one or more spinnerets (6) in which the molten pitch is spun by nitrogen and a hollow is formed, and a winder (7) in which the spun hollow fibers are wound Carbon fiber spinning device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920001801A 1992-02-07 1992-02-07 Process for the preparation of pitch-type hollow carbon fiber by spinning of melt pitch and apparatus thereof KR940006375B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920001801A KR940006375B1 (en) 1992-02-07 1992-02-07 Process for the preparation of pitch-type hollow carbon fiber by spinning of melt pitch and apparatus thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920001801A KR940006375B1 (en) 1992-02-07 1992-02-07 Process for the preparation of pitch-type hollow carbon fiber by spinning of melt pitch and apparatus thereof

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KR930018066A true KR930018066A (en) 1993-09-21
KR940006375B1 KR940006375B1 (en) 1994-07-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100407804B1 (en) * 2001-07-20 2003-11-28 재단법인 포항산업과학연구원 Multi-hollow pitch carbon fiber and preparation method of the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101158553B1 (en) * 2008-12-30 2012-06-20 (주)엔티시 electric spinning apparatus
KR101592714B1 (en) * 2014-06-26 2016-02-11 오씨아이 주식회사 Apparatus and method for manupacturing pitch based chopped carbon fiber
CN106987926B (en) * 2017-04-14 2020-10-02 王立勇 Asphalt-based carbon fiber, preparation method and application thereof in lithium ion battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100407804B1 (en) * 2001-07-20 2003-11-28 재단법인 포항산업과학연구원 Multi-hollow pitch carbon fiber and preparation method of the same

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