KR102501765B1 - Pan계 탄소섬유용 전구체 제조를 위한 고속 방사 방법 - Google Patents
Pan계 탄소섬유용 전구체 제조를 위한 고속 방사 방법 Download PDFInfo
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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
- D01D5/06—Wet spinning methods
-
- 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
- D01D5/04—Dry spinning methods
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- 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
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
- D01F9/225—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles from stabilised polyacrylonitriles
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Fibers (AREA)
Abstract
Description
도 2는 실시예에서 제조한 탄소섬유 전구체의 단면을 촬영한 사진이다.
도 3은 실시예에서 제조한 탄소섬유 전구체의 단면을 촬영한 사진이다.
도 4는 실시예에서 제조한 탄소섬유 전구체의 단면을 촬영한 사진이다
도 5는 고속방사의 응고욕 온도에 따른 장력 결과이다.
도 6은 고속방사의 응고욕 온도에 따른 종횡비 결과이다.
도 7은 고속방사의 응고욕 온도에 따른 밀도 및 데니어 결과이다.
도 8은 고속방사의 응고욕 온도에 따른 섬유 단면 및 실험 결과를 나타낸다.
도 9는 고속방사의 응고욕 농도에 따른 장력 결과이다.
도 10은 고속방사의 응고욕 농도에 따른 종횡비 결과이다.
도 11은 고속방사의 응고욕 농도에 따른 밀도 및 데니어 결과이다.
도 12는 고속방사의 응고욕 농도에 따른 강도를 나타낸다.
도 13은 고속방사의 응고욕 농도에 따른 섬유 단면 및 실험 결과를 나타낸다.
실시예 | 방사속도 (m/min) |
CDR | 노즐 직경 (mm) |
응고욕 농도 (%) |
응고욕 온도 (℃) |
1 | 100 | 3.5 | 0.15 | 30 | 5 |
2 | 100 | 3.5 | 0.15 | 30 | 10 |
비교예 | 방사속도 (m/min) |
CDR | 노즐 직경 (mm) |
응고욕 농도 (%) |
응고욕 온도 (℃) |
1 | 100 | 3.5 | 0.15 | 30 | 15 |
2 | 100 | 3.5 | 0.15 | 30 | 20 |
3 | 100 | 3.5 | 0.15 | 30 | 25 |
응고욕 온도 (℃) |
단사 | 원형도 (장축/단축) |
단면 | |
실시예 1 | 5 | 1 | 1.21 | |
실시예 2 | 10 | 3 | 1.39 | |
비교예 1 | 15 | 3 | 1.97 | |
비교예 2 | 20 | 5 | 1.93 | |
비교예 3 | 25 | 10~ | 2.09 |
실시예 | 방사속도 (m/min) |
CDR | 노즐 직경 (mm) |
응고욕 농도 (%) |
응고욕 온도 (℃) |
3 | 100 | 3.5 | 0.15 | 25 | 5 |
비교예 | 방사속도 (m/min) |
CDR | 노즐 직경 (mm) |
응고욕 농도 (%) |
응고욕 온도 (℃) |
4 | 100 | 3.5 | 0.15 | 35 | 5 |
5 | 100 | 3.5 | 0.15 | 40 | 5 |
6 | 100 | 3.5 | 0.15 | 45 | 5 |
7 | 100 | 3.5 | 0.15 | 50 | 5 |
응고욕 온도 (℃) |
응고욕 농도 (%) |
원형도 (장축/단축) |
단면 | |
실시예 3 | 5 | 25 | 1.43 | |
실시예 1 | 5 | 30 | 1.21 | |
비교예 3 | 5 | 35 | 1.78 | |
비교예 4 | 5 | 40 | 2.09 | |
비교예 5 | 5 | 45 | 1.95 | |
비교예 6 | 5 | 50 | 2.45 |
방사속도(연신비 10배) | 100m/min ~ 800m/min |
CDR | 3.5 배 |
노즐 직경 | 0.15 mm |
응고욕 온도 | 5 ℃ |
응고욕 농도 | 30 % |
Quenching | 5 ℃ |
Claims (5)
- 아크릴로니트릴계 중합체를 포함하는 방사 용액을 방사 노즐을 통해 방사하고, 외부 응고액에 침지하여 탄소섬유용 전구체를 제조하는 단계를 포함하고,
상기 탄소섬유용 전구체를 제조하는 단계에서,
응고액은 전체 중량에 대하여 DMSO(디메틸설폭사이드)를 평균 25 내지 30 중량 % 를 포함하되,
응고액의 온도는 평균 5 내지 10℃ 범위인 것을 특징으로 하고,
상기 탄소섬유용 전구체의 원형도가 1.21 내지 1.43으로 탄소섬유의 단면이 원형을 이루고 있는 PAN(폴리아크릴로니트릴)계 탄소섬유용 전구체 제조를 위한 고속 방사 방법.
- 제 1 항에 있어서,
탄소섬유용 전구체를 제조하는 단계에서,
상기 방사 용액의 방사 속도는, 평균 500 m/min 이상의 범위인 PAN계 탄소섬유용 전구체 제조를 위한 고속 방사 방법.
- 제 1 항에 있어서,
탄소섬유용 전구체를 제조하는 단계에서,
담금질(quenching) 하는 과정을 더 포함하는 PAN계 탄소섬유용 전구체 제조를 위한 고속 방사 방법.
- 제 3 항에 있어서,
상기 담금질(quenching)을 수행하는 과정은, 방사 과정에서 Air Gap에 방사되는 방사 용액에 공기를 소정의 속도로 가하는, PAN계 탄소섬유용 전구체 제조를 위한 고속 방사 방법
- 제 4 항에 있어서,
상기 담금질(quenching)을 수행하는 과정은, 상기 공기의 평균 온도는 3 내지 7℃ 범위에서 수행되는 PAN계 탄소섬유용 전구체 제조를 위한 고속 방사 방법.
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KR101909892B1 (ko) * | 2011-09-30 | 2018-10-19 | 코오롱인더스트리 주식회사 | 탄소섬유용 폴리아크릴로니트릴계 전구체 섬유의 제조방법 및 탄소섬유의 제조방법 |
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