Method for preparing cumene

Details Method for preparing cumene Method for preparing cumene

1989-04-24

1991-02-12

Davis:, Curtis

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585470, 585474, C07C 268, C07C 522

Patent

active

049926080

ABSTRACT:
Cumene is prepared by alkylation of benzene with propylene, or by transalkylation of diisopropylbenzenes in the presence of benzene, on a silica and alumina gel catalyst which is amorphous to X-rays and has an SiO.sub.2 /Al.sub.2 O.sub.3 ratio of between 50/1 and 300/1, a surface area of between 500 and 1000 m.sup.2 /g, an overall pore volume of between 0.3 and 0.6 ml/g and mean pore diameter of the order of 10 .ANG., and which is free or substantially free of pores having a diameter exceeding 30 .ANG..

REFERENCES:
patent: 3350469 (1967-10-01), Ryan
patent: 3784621 (1974-01-01), Suggitt et al.
patent: 3786107 (1974-01-01), Kuribayashi et al.
patent: 4314091 (1982-02-01), Crone et al.

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