Low density microcellular carbon foams and method of preparation

Details Low density microcellular carbon foams and method of preparation Low density microcellular carbon foams and method of preparation

1988-06-20

1989-05-23

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Controlling varying temperature or plural heating steps

264 291, 423445, 423449, 502101, 502180, 502416, 502418, 521918, C01B 3100

Patent

active

048328812

ABSTRACT:
A low density, open-celled microcellular carbon foam is disclosed which is prepared by dissolving a carbonizable polymer or copolymer in a solvent, pouring the solution into a mold, cooling the solution, removing the solvent, and then carbonizing the polymer or copolymer in a high temperature oven to produce the foam. If desired, an additive can be introduced in order to produce a doped carbon foam, and the foams can be made isotropic by selection of a suitable solvent. The low density, microcellular foams produced by this process are particularly useful in the fabrication of inertial confinement fusion targets, but can also be used as catalysts, absorbents, and electrodes.

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