JPS5735018A - Production of carbon fiber of high strength as well as high elasticity - Google Patents
Production of carbon fiber of high strength as well as high elasticityInfo
- Publication number
- JPS5735018A JPS5735018A JP10680880A JP10680880A JPS5735018A JP S5735018 A JPS5735018 A JP S5735018A JP 10680880 A JP10680880 A JP 10680880A JP 10680880 A JP10680880 A JP 10680880A JP S5735018 A JPS5735018 A JP S5735018A
- Authority
- JP
- Japan
- Prior art keywords
- depolymerizate
- coal
- carbon fiber
- graphitized
- carbonized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Inorganic Fibers (AREA)
Abstract
PURPOSE: Coal is depolymerized with heat in a hydrocarbon solvent under pressurized hydrogen to form a depolymerizate of specific properties and the depolymerizate is heat treated to crystallize, melt-spun, made infusible, carbonized and graphitized to produce the titled carbon fiber of hogh performance.
CONSTITUTION: Coal is subjected to thermal depolymerization under pressurized hydrogen in a hydrocarbon solvent and the insoluble residue is removed. Further, the solvent is separated to give a coal depolymerizate of 0.01W0.07 oxygen/carbon atom ratio, more than 0.73 fa (aromatic factor according to the Brown-Ladner method) and less than 1,200 number-average molecular weight. The resultant depolymerizate is heat treated under mild agitation in an inert gas to form a crystalline pitch, melt spun, made infusible by oxidation with air, then carbonized in an inert gas and graphitized. The depolymerizate of such properties is obtained by depolymerization under drastic conditions.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10680880A JPS5735018A (en) | 1980-08-05 | 1980-08-05 | Production of carbon fiber of high strength as well as high elasticity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10680880A JPS5735018A (en) | 1980-08-05 | 1980-08-05 | Production of carbon fiber of high strength as well as high elasticity |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5735018A true JPS5735018A (en) | 1982-02-25 |
Family
ID=14443144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10680880A Pending JPS5735018A (en) | 1980-08-05 | 1980-08-05 | Production of carbon fiber of high strength as well as high elasticity |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5735018A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60119955A (en) * | 1983-12-02 | 1985-06-27 | 鶴田 禎二 | Synthetic polymer body for living body material |
JPS6219205A (en) * | 1985-07-17 | 1987-01-28 | Nok Corp | Preparation of ultrafilter membrane |
JPS63196720A (en) * | 1987-02-04 | 1988-08-15 | Shozo Watabe | Furnace for carbonizing and graphitizing pitch yarn |
-
1980
- 1980-08-05 JP JP10680880A patent/JPS5735018A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60119955A (en) * | 1983-12-02 | 1985-06-27 | 鶴田 禎二 | Synthetic polymer body for living body material |
JPH0414033B2 (en) * | 1983-12-02 | 1992-03-11 | Teiji Tsuruta | |
JPS6219205A (en) * | 1985-07-17 | 1987-01-28 | Nok Corp | Preparation of ultrafilter membrane |
JPH057051B2 (en) * | 1985-07-17 | 1993-01-28 | Nok Corp | |
JPS63196720A (en) * | 1987-02-04 | 1988-08-15 | Shozo Watabe | Furnace for carbonizing and graphitizing pitch yarn |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES446412A1 (en) | Method of making carbon cloth from pitch based fiber | |
GB1496678A (en) | Process for producing carbon fibres from mesophase pitch | |
Ōtani et al. | On the raw materials of MP carbon fiber | |
JPS555954A (en) | Preparation of pitch for carbon fiber | |
JPS55122021A (en) | Improved method of producing carbon fiber | |
JPS54147222A (en) | Production of high-performance carbon fiber | |
KR930013068A (en) | Method of manufacturing mesophase pitch | |
CA1245815A (en) | Preparation of carbon microballoons | |
JPS5735018A (en) | Production of carbon fiber of high strength as well as high elasticity | |
EP0402107A3 (en) | Method for the preparation of carbon fibers | |
EP0372931A3 (en) | Continuous, ultrahigh modulus carbon fiber | |
JPS5530472A (en) | Production of high-strength carbon fiber | |
JPH0356599B2 (en) | ||
JPS5584421A (en) | Method of making fibrous carbon | |
JPH0150275B2 (en) | ||
JPS5510473A (en) | Production of activated carbon fiber | |
JPS57129816A (en) | Manufacture of carbon fiber for molecular sieve | |
JPS57101024A (en) | Preparation of molecular sieve carbon fiber | |
JPS5721521A (en) | Production of carbon fiber of high strength and elongation | |
JPS556501A (en) | Production of carbon fiber fabric | |
JPS5626009A (en) | Production of carbon fiber | |
JPS57179286A (en) | Raw material pitch for carbon fiber | |
Romey et al. | Carbon fibres from coal-tar pitch | |
Seo et al. | Process For Producing Carbon Fibers | |
JPS5747921A (en) | Preparation of carbon fiber |