Catalyst for alkylating aromatic hydrocarbons

Details Catalyst for alkylating aromatic hydrocarbons Catalyst for alkylating aromatic hydrocarbons

1976-11-05

1978-02-21

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252457, 252458, 252459, 252460, B01J 2906, B01J 2900

Patent

active

040751260

ABSTRACT:
Alkylatable aromatic hydrocarbons are alkylated with olefins and alkylhalides under anhydrous alkylating conditions in the presence of a metallic cation exchanged trioctahedral 2:1 layer-lattice smectite-type catalyst in which the metallic cation has a Pauling electronegativity greater than 1.0. In a specific embodiment, there is provided a catalyst comprising a trioctahedral smectite-type clay having the structural formula:

REFERENCES:
patent: 3852405 (1974-12-01), Granquist
patent: 3855147 (1974-12-01), Granquist
patent: 3965043 (1976-06-01), Striddle

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