Ceramic fiber foam and method for making same

Details Ceramic fiber foam and method for making same Ceramic fiber foam and method for making same

1980-12-23

1983-02-15

Warren, Charles F.

Compositions: ceramic

Ceramic compositions

Pore-forming

501 84, 501 95, 106308Q, C04B 2106, C04B 2110, C04B 3522, C04B 306

Patent

active

043742025

ABSTRACT:
Ceramic fiber is co-dispersed in a liquid medium together with a heat curable organic binder, and the mixture is beaten preferably with small amounts of a crystallizable salt and fillers. Upon beating, the mixture is foamed, and the foam is then heated to cure the binder, evaporate the liquid, and stabilize the foam. The foam may be used as is, but is preferably further heated to decompose most of the organic binder and to cause bonding between intersecting fibers by the salt, thereby resulting in a stable foam that has excellent high temperature properties.

REFERENCES:
patent: 3007806 (1961-11-01), Hartwig
patent: 3461191 (1969-08-01), Dale et al.
patent: 3510323 (1970-05-01), Wismer et al.
patent: 3756839 (1973-09-01), Rao
patent: 4286999 (1981-09-01), Zucker

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