Graphitizable foam preform

Details Graphitizable foam preform Graphitizable foam preform

2000-02-11

2000-11-14

Foelak, Morton

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 291, 264 297, 423448, 521 841, 521181, C01B 3100, C01B 3102, C08J 914

Patent

active

061466115

ABSTRACT:
The present invention provides an inexpensive, open cell, mechanically robust and graphitizable foam preform. The graphitizable foam is produced via a modified standard flower foam formulation. The invention provides a modified formula for such flower foams wherein a mesophase material is incorporated along with a corresponding reduction in the resole component. The mesophase material replaces 30-70% by weight (a target of 50% by weight) of the resole component of the formulation. The formulation is heated to effect foaming of the mixture, and then carbonized to produce an open cell, graphitizable foam preform.

REFERENCES:
patent: 4548957 (1985-10-01), Hucke
patent: 4582632 (1986-04-01), Rokujo et al.
patent: 4631181 (1986-12-01), Matsumoto
patent: 4832881 (1989-05-01), Arnold, Jr. et al.
patent: 6033506 (2000-03-01), Klett
patent: 6037032 (2000-03-01), Klett

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