KR910001104A - Pitch-based carbon fiber with excellent compressive properties and its manufacturing method - Google Patents

Pitch-based carbon fiber with excellent compressive properties and its manufacturing method Download PDF

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Publication number
KR910001104A
KR910001104A KR1019890009126A KR890009126A KR910001104A KR 910001104 A KR910001104 A KR 910001104A KR 1019890009126 A KR1019890009126 A KR 1019890009126A KR 890009126 A KR890009126 A KR 890009126A KR 910001104 A KR910001104 A KR 910001104A
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KR
South Korea
Prior art keywords
pitch
carbon fiber
based carbon
spinning
manufacturing
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Application number
KR1019890009126A
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Korean (ko)
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KR960007715B1 (en
Inventor
히로아키 다카시마
오사무 가토오
기요시 아자미
하지메 나까지마
Original Assignee
이와모토 겐타로오
닛뽄세키유 가부시키가이샤
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Publication of KR910001104A publication Critical patent/KR910001104A/en
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Publication of KR960007715B1 publication Critical patent/KR960007715B1/en

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Classifications

    • 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
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00—Working-up pitch, asphalt, bitumen
    • 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
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Fibers (AREA)
  • Working-Up Tar And Pitch (AREA)

Abstract

내용 없음No content

Description

압축물성이 우수한 피치(pitch)계 탄소섬유 및 그 제조법Pitch-based carbon fiber with excellent compressive properties and its manufacturing method

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

제1도-제5도는 탄소 섬유의 결정구조를 나타내는 투과형 전자현미경 사진이다. 여기에서, 수직방향이 섬유축 방향이며 그 척도(尺度)는 동일하다.1 to 5 are transmission electron micrographs showing the crystal structure of carbon fibers. Here, the vertical direction is the fiber axis direction and the scale is the same.

Claims (2)

X선회절에 의해 측정한 La및 Lc값은 각각 100Å 하이고, 투과전자현미경으로 섬유축방향을 관찰했을때 피브릴(fibril)폭이 1000Å 이하인 조직이 탄소섬유 전체의 50 체적% 이상이며, 또한 밀도가 1.95-2.12g/㎣의 범위에 있고 X선 회절에 이해 측정한 층간격 d2와 밀도 ℓ의 관계는 3.82d002+0.212p3.87인 것을 특징으로 하는 피치계 탄소섬유.The values of L a and L c measured by X-ray diffraction were 100 Å or less, respectively, and when the fiber axis direction was observed with a transmission electron microscope, the fibrils having a width of 1000 Å or less were 50 vol% or more of the entire carbon fiber. In addition, the density is in the range of 1.95-2.12 g / ㎣, and the relationship between the interlayer d 2 and the density ℓ measured by X-ray diffraction is 3.82 d002 + 0.212p 3.87 pitch-type carbon fiber characterized by the above-mentioned. 탄소질 피치를 수소화촉매 존재하에 수소화하여 피치분자당 2몰이상의 수소를 부가한 후, 이 수소화 피치를 상압(常壓) 또는 감압(減壓)하에서 열처리하여 광학적이방성 피치를 만들며, 이 광학적이방성 피치로 부터 25℃에서 용해도 파라메타가 7.4-9.0의 유기용제에 불용성이고, 역시 25℃에서 용해도 파라메터가 9.2-11.0의 유기 용제에 가용성인 성분을 채취하여 얻을 수 있는 광학적이방성상을 5-40vol% 함유하는 방사용 피치를 방사한후, 불융화 및 탄화처리함을 특징으로 하여 피치계 탄소섬유를 제조하는 방법.The carbonaceous pitch is hydrogenated in the presence of a hydrogenation catalyst to add at least 2 moles of hydrogen per pitch molecule, and then the hydrogenated pitch is heat-treated under normal pressure or reduced pressure to form an optically anisotropic pitch. It contains 5-40vol% of the optically anisotropic phase obtained by collecting a component having a solubility parameter insoluble in an organic solvent of 7.4-9.0 at 25 ° C. and also having a solubility parameter soluble in an organic solvent of 9.2-11.0 at 25 ° C. After spinning the pitch for spinning, characterized in that the infusibilization and carbonization process for producing a pitch-based carbon fiber. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890009126A 1988-06-30 1989-06-29 Pitch-based carbon fibers superior in compressive physical properties and the process for producing the same KR960007715B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63160683A JP2535207B2 (en) 1988-06-30 1988-06-30 Pitch-based carbon fiber having excellent compression properties and method for producing the same
JP63-160683 1988-06-30

Publications (2)

Publication Number Publication Date
KR910001104A true KR910001104A (en) 1991-01-30
KR960007715B1 KR960007715B1 (en) 1996-06-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009126A KR960007715B1 (en) 1988-06-30 1989-06-29 Pitch-based carbon fibers superior in compressive physical properties and the process for producing the same

Country Status (4)

Country Link
EP (1) EP0349307B1 (en)
JP (1) JP2535207B2 (en)
KR (1) KR960007715B1 (en)
DE (1) DE68919283T2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69128759T2 (en) * 1990-10-22 1998-04-30 Mitsubishi Chem Corp Bad luck for spinning carbon fibers and manufacturing process therefor
EP0551878A1 (en) * 1992-01-14 1993-07-21 Mitsubishi Chemical Corporation Carbon fibers and process for their production
JPH10298829A (en) * 1997-04-24 1998-11-10 Nippon Oil Co Ltd Production of pitch-based carbon fiber
ES2400516T3 (en) 2005-08-09 2013-04-10 Toray Industries, Inc. Flame resistant fiber, carbon fiber and procedures for the production of the two types of fibers
KR101703423B1 (en) * 2015-04-29 2017-02-10 충남대학교산학협력단 Manufacturing method of pitch-based fibers using radiation
US10386874B2 (en) 2016-03-14 2019-08-20 Kabushiki Kaisha Toshiba Voltage to current converter
CN106435840B (en) * 2016-10-21 2018-09-11 中国石油大学(华东) A kind of preparation method of asphalt base carbon fiber
CN107201248A (en) * 2017-07-17 2017-09-26 青岛科技大学 A kind of method that FCC slurry component cutting sedimentation separation prepares mesophase pitch
CN108565401B (en) * 2018-05-18 2020-12-15 国家能源投资集团有限责任公司 Amorphous carbon material and preparation method and application thereof
CN110921646B (en) * 2019-12-06 2022-01-07 大连理工大学 Selective regulation and control method for size and interlamellar spacing of graphite-like microcrystal of hard carbon material based on heavy aromatic hydrocarbon component
KR102529745B1 (en) * 2021-04-19 2023-05-08 재단법인 포항산업과학연구원 Method of producing coal-based pitch for artificial graphite
KR102583031B1 (en) * 2021-07-01 2023-09-27 한국화학연구원 Method for manufacturing hetero-phase binder pitch and hetero-phase binder pitch manufactured therefrom
KR102389550B1 (en) * 2021-09-24 2022-04-21 한국화학연구원 Method for preparing anisotropic pitch derived from heavy oil for carbon fiber based on two-stage solvent extraction method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633530B2 (en) * 1984-09-14 1994-05-02 呉羽化学工業株式会社 Carbon fiber and manufacturing method thereof
JPH0670220B2 (en) * 1984-12-28 1994-09-07 日本石油株式会社 Carbon fiber pitch manufacturing method
JPS62270685A (en) * 1986-05-19 1987-11-25 Maruzen Petrochem Co Ltd Production of mesophase pitch
JPH0672223B2 (en) * 1986-12-15 1994-09-14 三菱化成株式会社 Method for producing hydrogenated pitch for carbon fiber

Also Published As

Publication number Publication date
DE68919283D1 (en) 1994-12-15
KR960007715B1 (en) 1996-06-08
JPH0214023A (en) 1990-01-18
DE68919283T2 (en) 1995-03-23
EP0349307A3 (en) 1990-03-07
EP0349307B1 (en) 1994-11-09
JP2535207B2 (en) 1996-09-18
EP0349307A2 (en) 1990-01-03

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