KR900006577A - Manufacturing method of anisotropic liquid crystal pitch for carbon fiber manufacturing - Google Patents
Manufacturing method of anisotropic liquid crystal pitch for carbon fiber manufacturing Download PDFInfo
- Publication number
- KR900006577A KR900006577A KR1019880013527A KR880013527A KR900006577A KR 900006577 A KR900006577 A KR 900006577A KR 1019880013527 A KR1019880013527 A KR 1019880013527A KR 880013527 A KR880013527 A KR 880013527A KR 900006577 A KR900006577 A KR 900006577A
- Authority
- KR
- South Korea
- Prior art keywords
- manufacturing
- liquid crystal
- heat treatment
- carbon fiber
- anisotropic liquid
- Prior art date
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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
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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)
- Working-Up Tar And Pitch (AREA)
Abstract
내용 없음.No content.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제 1 도는 이방성 액정핏치의 편광현미경 사진으로서, (a)는 이방성 액정함유량이 50Vol%인 것을 , (b)는 이방성 액정함유량이 85Vol%인 것을, (c)는 이방성 액정함유량이 100Vol%인 것을 나타냄.1 is a polarized light micrograph of the anisotropic liquid crystal pitch, (a) is 50 vol% anisotropic liquid crystal content, (b) is 85 vol% anisotropic liquid crystal content, (c) is 100 vol% anisotropic liquid crystal content Indicates.
제 2 도는 이방성 액정핏치의 편광현미경 사진으로서 (a) 및 (b)는 이방성 액정함유량이 100Vol%인 것을, (c)는 이방성 액정함유량이 100Vol%이고 기공이 존재하고 있는 것을, (d)는 이방성 액정함유량이 90Vol%인 것을 나타냄.2 is a polarized light micrograph of the anisotropic liquid crystal pitch (a) and (b) is an anisotropic liquid crystal content of 100 Vol%, (c) is an anisotropic liquid crystal content of 100 Vol%, the presence of pores, (d) It shows that the anisotropic liquid crystal content is 90 Vol%.
제 3 도는 융점이 높은 이방성 액정핏치를 용융방사하여 제조한 핏치계 탄소섬유의 SEM 사진.3 is a SEM photograph of a pitch-based carbon fiber prepared by melt spinning anisotropic liquid crystal pitch having a high melting point.
제 4 도는 융점이 295℃인 이방성 액정핏치를 용융방사하여 제조한 핏치계 탄소섬유의 SEM 사진.4 is a SEM photograph of a pitch-based carbon fiber prepared by melt spinning anisotropic liquid crystal pitch having a melting point of 295 ° C.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880013527A KR910004469B1 (en) | 1988-10-17 | 1988-10-17 | The manufacturing process of anisotropic liquid crystal pitch for the use of carbon fibers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880013527A KR910004469B1 (en) | 1988-10-17 | 1988-10-17 | The manufacturing process of anisotropic liquid crystal pitch for the use of carbon fibers |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900006577A true KR900006577A (en) | 1990-05-08 |
KR910004469B1 KR910004469B1 (en) | 1991-06-29 |
Family
ID=19278537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880013527A KR910004469B1 (en) | 1988-10-17 | 1988-10-17 | The manufacturing process of anisotropic liquid crystal pitch for the use of carbon fibers |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910004469B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111303962A (en) * | 2017-11-10 | 2020-06-19 | 李明 | Lubricating oil additive |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018131896A1 (en) * | 2017-01-10 | 2018-07-19 | 한국과학기술원 | Liquid crystal composite carbon fiber and method for preparing same |
-
1988
- 1988-10-17 KR KR1019880013527A patent/KR910004469B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111303962A (en) * | 2017-11-10 | 2020-06-19 | 李明 | Lubricating oil additive |
Also Published As
Publication number | Publication date |
---|---|
KR910004469B1 (en) | 1991-06-29 |
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