Catalyst for alkylating aromatic hydrocarbons

Details Catalyst for alkylating aromatic hydrocarbons Catalyst for alkylating aromatic hydrocarbons

1974-12-06

1976-09-07

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252454, 252455R, 252457, 252459, 260671R, B01J 2706, B01J 2900, B01J 2906

Patent

active

039793311

ABSTRACT:
Alkylatable aromatic hydrocarbons are alkylated with olefins and alkylhalides under anhydrous alkylating conditions in the presence of certain metallic cation exchanged synthetic hectorite-type catalysts in which the metallic cation has a Pauling electronegativity greater than 1.0 and in which the central octahedral layer contains one or more divalent metals which have an ionic radius not greater than 0.75 A. In a specific embodiment, 1-dodecene is reacted with benzene by contacting the dodecene and benzene under anhydrous alkylating 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 a synthetic nickeliferous hectorite.

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

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