Aromatics alkylation process

Details Aromatics alkylation process Aromatics alkylation process

1991-07-18

1993-03-02

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585467, 585468, C07C 264

Patent

active

051911345

ABSTRACT:
Long chain alkyl substituted aromatic compounds, particularly alkylated naphthalenes are produced by the alkylation of aromatics, e.g. naphthalene, with an olefin or other alkylating agent possessing at least 6 carbon atoms, usually 12 to 20 carbon atoms, in the presence of an alkylation catalyst which comprises a mesoporous crytalline material. The mesoporous material has pores with diameters of at least 13 .ANG. which, in the preferred catalytic form, are arranged in a uniform hexagonal arrangement, and have a X-ray diffraction pattern with at least one d-spacing greater than about 18 .ANG.. These materials exhibit benzene adsorption capacities greater than about 15 grams benzene per 100 grams at 50 torr and 25.degree. C. In its preferred catalytic form, the crystalline material exhibits a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 .ANG. which corresponds to at least one peak in the X-ray diffraction pattern.

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