Aromatic pitch from asphaltene fractions
Patent
·
OSTI ID:6503247
A pitch suitable for carbon artifact manufacture, such as the manufacture of carbon fibers, is obtained by heat-soaking an asphaltene fraction of a heavy aromatic feedstock at a temperature of about 380/sup 0/-440/sup 0/ C. for about 1-500 minutes.
- Assignee:
- E. I. Du Pont de Nemours and Co.
- Patent Number(s):
- US 4518483
- OSTI ID:
- 6503247
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
AROMATICS
ASPHALTENES
ASPHALTS
BITUMENS
CARBON FIBERS
CHEMICAL FEEDSTOCKS
CHEMICAL REACTIONS
DECOMPOSITION
ENERGY SOURCES
FIBERS
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PITCHES
PRODUCTION
PYROLYSIS
TAR
THERMOCHEMICAL PROCESSES
TIME DEPENDENCE
020400* -- Petroleum-- Processing
AROMATICS
ASPHALTENES
ASPHALTS
BITUMENS
CARBON FIBERS
CHEMICAL FEEDSTOCKS
CHEMICAL REACTIONS
DECOMPOSITION
ENERGY SOURCES
FIBERS
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PITCHES
PRODUCTION
PYROLYSIS
TAR
THERMOCHEMICAL PROCESSES
TIME DEPENDENCE