Catalyst for alkylating aromatic hydrocarbons therefor

Details Catalyst for alkylating aromatic hydrocarbons therefor Catalyst for alkylating aromatic hydrocarbons therefor

1974-09-06

1976-06-22

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252457, 252458, 252459, 252460, 260671C, B01J 2906, B01J 2900

Patent

active

039650430

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, 1-dodecene is reacted with benzene by contacting the dodecene and benzene under anhydrous conditions in the liquid phase at the boiling point of the mixture with a catalyst comprising a metallic cation such as Al.sup.3.sup.+, In.sup.3.sup.+ and Cr.sup.3.sup.+ exchanged onto the surface of hectorite clay.

REFERENCES:
patent: 2431481 (1947-11-01), Hurd et al.
patent: 3655798 (1972-04-01), Csicsery et al.
patent: 3725528 (1973-04-01), Banin
patent: 3844978 (1974-10-01), Hickson
patent: 3844979 (1974-10-01), Hickson

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