Process for preparing polyhedral alpha-alumina particles

Details Process for preparing polyhedral alpha-alumina particles Process for preparing polyhedral alpha-alumina particles

C - Chemistry, Metallurgy

04

B

C04B 35/10 (2006.01) C01F 7/02 (2006.01) C01F 7/42 (2006.01)

Patent

CA 2099734

- 23 - ABSTRACT OF THE DISCLOSURE Polyhedral .alpha.-alumina particles having a particle size of a micrometer order and high purity are prepared by maintaining a compression molded aluminum material having, on its surface, a binary compound of aluminum and oxygen atoms or a ternary compound of aluminum, oxygen and hydrogen atoms in an aluminum melt.

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