Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam
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United States of America Patent
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Aug 16, 1994
Issued Date -
N/A
app pub date -
Apr 20, 1993
filing date -
Jan 16, 1992
priority date (Note) -
Expired
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Abstract
A for preparing uniform, agglomerate free, submicron/nanosize ceramic powders from a polymeric foam comprising metal cations homogeneously incorporated within a foam cell structure of the polymeric foam. The polymeric foam is heated to remove any solvent, and calcined at a temperature of about 400.degree. C. to about 1400.degree. C. for about 1 minute to about 96 hours to produce the desired ceramic or metal powder.
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