Process for preparing aluminum borate whiskers

Details Process for preparing aluminum borate whiskers Process for preparing aluminum borate whiskers

1988-06-16

1990-05-15

Cooper, Jack

Chemistry of inorganic compounds

Boron or compound thereof

Oxygen containing

423625, C01B 3512

Patent

active

049256416

ABSTRACT:
An aluminum borate whisker having a composition of 9Al.sub.2 O.sub.3 .multidot.2B.sub.2 O.sub.3 or 2Al.sub.2 O.sub.3 .multidot.B.sub.2 O.sub.3 is formed by reacting under heating at least one aluminum-supplying component selected from the group consisting of hydroxides and inorganic salts of aluminum and at least one boric acid-supplying component selected from the group consisting of oxides, oxyacids and their alkali metal salts of boron in the presence of at least one flux selected from the group consisting of alkali metal chlorides, alkali metal sulfates and alkali carbonates.

REFERENCES:
patent: 2118143 (1935-04-01), Benner et al.
patent: 3080242 (1963-03-01), Berry
patent: 3350166 (1967-10-01), Alley et al.
patent: 3384578 (1968-05-01), Stuber
patent: 4226629 (1980-10-01), Tabuchi et al.
Johnson et al., "Synthesis and Some Properties of Aluminum Borate Whiskers", p. 2, 1965 (United States Department of the Interior Bureau of Mines).

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