Process for preparing materials having improved mechanical and t

Details Process for preparing materials having improved mechanical and t Process for preparing materials having improved mechanical and t

1974-10-31

1977-03-22

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2906

Patent

active

040135900

ABSTRACT:
The mechanical and thermal properties of aluminum oxide, such as .gamma. alumina, adapted for use as a catalyst or catalyst carrier are improved through a treatment thereof with a silicon compound such as an alkyl orthosilicate in which the aluminum oxide is impregnated with the silicon compound or a solution thereof in a compatible organic solvent whose boiling point is lower than the boiling point of the silicon compound. The impregnated aluminum oxide is dried at a temperature in the range from above the boiling point of the silicon compound to 500.degree. C and is then subjected to controlled oxidation.

REFERENCES:
patent: 2852473 (1958-09-01), Welling
patent: 3416888 (1968-12-01), Notari
patent: 3535232 (1970-10-01), Lawrance et al.

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