Reactive zirconium oxide and its preparation

Details Reactive zirconium oxide and its preparation Reactive zirconium oxide and its preparation

1989-03-17

1990-08-07

Stoll, Robert L.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

501103, C01G 2502, C04B 3548

Patent

active

049466658

ABSTRACT:
The invention relates to the chemistry of zirconium.
It relates particularly to a reactive zirconium oxide in the form of fine particles whose median diameter does not exceed 10 .mu.m, which has a structure chosen from the amorphous structure and the structure crystallized in the tetragonal form, the size of the elementary coherence regions in the latter case being between 10 and 30 nm, and which has a B.E.T. surface area of at least 30 m.sup.2 /g, and to a process for its preparation.
Use in the field of ceramic materials.

REFERENCES:
patent: 4567030 (1986-01-01), Yuasa et al.
patent: 4588576 (1986-05-01), David
patent: 4605631 (1986-08-01), Rossi
patent: 4842832 (1989-06-01), Inoue et al.

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