Supported acid catalysts, their preparation and use in organic c

Details Supported acid catalysts, their preparation and use in organic c Supported acid catalysts, their preparation and use in organic c

1992-12-23

1994-03-15

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Including organic component

502 63, 502 64, 502 80, 502152, 502154, 502227, 502231, B01J 2904

Patent

active

052945782

ABSTRACT:
A novel method to prepare a solid acid catalyst through the reaction of a metal-alkyl halide species and the surface hydroxyl group of a solid support is disclosed. Lewis acidic metals, e.g., B, Al and Ga, etc., can then be anchored on the surface via the formation of an oxygen-metal bond. The solids containing these metals can be used as catalysts that will catalyze organic compound coversion reactions, e.g., Friedel-Crafts type reactions, olefin oligomerization, aromatic alkylation and acylation, alkane alkylation and isomerization reactions.

REFERENCES:
patent: 3248343 (1966-04-01), Kelly et al.
patent: 4719190 (1988-01-01), Drago et al.
patent: 4740652 (1988-04-01), Frame
patent: 5166410 (1992-11-01), Fried
Inorganic Chemistry, vol. 29, No. 6, 1990, pp. 1186-1192.
Krzywicki et al., "Superacidity of Modified Gamma-Al.sub.2 O.sub.3 ", J. C. S. Faraday I, 1980, 76, 1311-1322.

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