Ceramic powders

Details Ceramic powders Ceramic powders

C - Chemistry, Metallurgy

04

B

261/24, 34/30

C04B 35/66 (2006.01) B01D 1/16 (2006.01) C01B 13/14 (2006.01) C04B 35/486 (2006.01) C04B 35/626 (2006.01)

Patent

CA 2000514

Abstract "Ceramic Powders" A process for preparing ceramic powders suitable for pressing into articles comprises the dispersing of a particulate ceramic, preferably of particle size below 1 µm, in water in the presence of ammonia or an alkylamine having a boiling point below that of water and spray - drying the dispersion to give powders. The process is particularly applicable to zirconia and gives rise to fine, free-flowing powders which can be processed into articles of uniform density.

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