Sealant for high strength carbon foam
AssigneeUCAR Carbon Company Inc.
InventorsRichard Liichang Shao, Douglas J. Miller, Irwin C. Lewis, Robert A. Mercuri
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Abstract
A sealant useful for sealing the surfaces of carbon foams to provide a surface useful for, inter alia, composite tooling or other high temperature applications or for bonding of carbon foams together to form larger blocks.
Claims17
A sealed carbon foam article comprising a carbon foam having a pore distribution such that from about 90% to about 99% of the pore volume are pores having a diameter between about 10 and about 150 microns and from about 1% to about 10% of the pore volume are pores having a diameter between about 0.8 and about 3.5 microns, the carbon foam having a layer of a sealant comprising a filler comprised of two sets of particles, a first filler fraction and a second filler fraction, each having differing size distributions.
Dependencies are inferred from the claim text.