Microcellular carbon foam and method
Patent
·
OSTI ID:5304136
A microcellular carbon foam is characterized by a density in the range of about 30 to 1000 mg/cm[sup 3], substantially uniform distribution of cell sizes of diameters less than 100 [mu]m with a majority of the cells being of a diameter of less than about 10 [mu]m, well interconnected strut morphology providing open porosity, and an expanded d(002) X-ray turbostatic spacing greater than 3.50 angstroms. The precursor for the carbon foam is prepared by the phase inversion of polyacrylonitrile in a solution consisting essentially of at least one alkali metal halide and a phase inversion solvent for the polyacrylonitrile.
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States)
- Patent Number(s):
- US 5268395; A
- OSTI ID:
- 5304136
- Resource Relation:
- Patent File Date: 16 Feb 1993
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CARBON
MORPHOLOGY
PHYSICAL PROPERTIES
SYNTHESIS
FOAMS
ALKALI METAL COMPOUNDS
BULK DENSITY
HALIDES
NITRILES
ORGANIC POLYMERS
PORE STRUCTURE
COLLOIDS
DENSITY
DISPERSIONS
ELEMENTS
HALOGEN COMPOUNDS
MICROSTRUCTURE
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLYMERS
360600* - Other Materials
CARBON
MORPHOLOGY
PHYSICAL PROPERTIES
SYNTHESIS
FOAMS
ALKALI METAL COMPOUNDS
BULK DENSITY
HALIDES
NITRILES
ORGANIC POLYMERS
PORE STRUCTURE
COLLOIDS
DENSITY
DISPERSIONS
ELEMENTS
HALOGEN COMPOUNDS
MICROSTRUCTURE
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLYMERS
360600* - Other Materials