Trimethylaluminum process

Details Trimethylaluminum process Trimethylaluminum process

1988-10-24

1990-05-15

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Aluminum containing

C07F 506

Patent

active

049259628

ABSTRACT:
Trimethylaluminum is made by gradually feeding a methyl halide to a reaction vessel containing a tri-C.sub.2+ alkylaluminum (e.g. triethylaluminum) and a catalyst formed from a bismuth compound and an alkyl or aryl organoaluminum compound thereby forming trimethylaluminum and C.sub.2+ alkyl halide and continuously distilling the C.sub.2+ alkyl halide, and any methyl halide that fails to react, from the reaction vessel thereby avoiding the accumulation of trialkylaluminum and alkyl halide which not only tends to form alkylaluminum halides but can be very hazardous on a large scale if a temperature excursion should occur.

REFERENCES:
patent: 3288828 (1966-11-01), Wartik et al.
patent: 4364872 (1982-12-01), Diefenbach
patent: 4364873 (1982-12-01), Diefenbach
patent: 4364874 (1982-12-01), Diefenbach
Batalov et al., "Doklady Akademii Nauk. SSR", vol. 136, No. 1, pp. 93-95.
Korshunov et al., "Zhurnal Obshchei Khimii", vol. 31, No. 3, pp. 964-969.

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