High anisotropic pitch
Patent
·
OSTI ID:5865669
An improved process for preparing an optically anisotropic pitch which comprises heating a pitch feed material at a temperature within the range of about 350/sup 0/ C. to 450/sup 0/ C. while passing an inert gas therethrough at a rate of at least 2.5 SCFH/lb of pitch feed material and agitating said pitch feed material at a stirrer rate of from about 500 to 600 rpm to obtain an essentially 100% mesophase pitch product suitable for carbon production.
- Assignee:
- E. I. Du Pont de Nemours and Company
- Patent Number(s):
- US 4551225
- OSTI ID:
- 5865669
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
020500 -- Petroleum-- Products & By-Products
ANISOTROPY
AROMATICS
CARBON FIBERS
CHEMICAL PREPARATION
FIBERS
FLUID FLOW
GAS FLOW
HIGH TEMPERATURE
INERT ATMOSPHERE
MIXING
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PITCHES
PRODUCTION
SYNTHESIS
020400* -- Petroleum-- Processing
020500 -- Petroleum-- Products & By-Products
ANISOTROPY
AROMATICS
CARBON FIBERS
CHEMICAL PREPARATION
FIBERS
FLUID FLOW
GAS FLOW
HIGH TEMPERATURE
INERT ATMOSPHERE
MIXING
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
PITCHES
PRODUCTION
SYNTHESIS