Pitch for direct spinning into carbon fibers
Patent
·
OSTI ID:5919619
A pitch suitable for carbon fiber manufacture features a pitch having a weight content of between 80 and 100 percent toluene insolubles. The pitch is derived from a deasphaltenated middle fraction of a feedstock. The pitch is characterized as being relatively free of impurities and ash. The pitch can be spun directly into carbon fibers.
- Assignee:
- E. I. Du Pont de Nemours and Company
- Patent Number(s):
- US 4548703
- OSTI ID:
- 5919619
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
ALKYLATED AROMATICS
AROMATICS
CARBON FIBERS
CHEMICAL COMPOSITION
DEASHING
DEASPHALTING
EXTRACTION
FABRICATION
FIBERS
HYDROCARBONS
MOLECULAR WEIGHT
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PITCHES
PRODUCTION
PURIFICATION
SEPARATION PROCESSES
TOLUENE
020500* -- Petroleum-- Products & By-Products
ALKYLATED AROMATICS
AROMATICS
CARBON FIBERS
CHEMICAL COMPOSITION
DEASHING
DEASPHALTING
EXTRACTION
FABRICATION
FIBERS
HYDROCARBONS
MOLECULAR WEIGHT
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PITCHES
PRODUCTION
PURIFICATION
SEPARATION PROCESSES
TOLUENE