Nitration process

Details Nitration process Nitration process

1975-01-06

1976-08-24

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

204296, 260562R, 260578, 260612D, 260622R, 260646, 260647, 260688, C07C 7910

Patent

active

039767043

ABSTRACT:
This invention relates to a process for the nitration of organic compounds, especially aromatic compounds, which comprises contacting said compound with a nitrating agent at conditions whereby a nitrated product is formed. The nitration agent and the compound are substantially separated by means of a polymeric membrane, said polymeric membrane preferably comprising sulfonic acid groups, pendant to the polymeric backbone. In a most preferred embodiment, the membrane is a perfluorosulfonic acid polymer. The use of this most preferred polymeric material as a membrane in the instant process allows the nitration of aromatic organic compounds to take place without the incorporation of strong sulfuric acid in the nitrating agent.

REFERENCES:
patent: 3714272 (1973-01-01), Coon et al.
patent: 3887499 (1975-06-01), Hodgdon
Urbanski, Chemistry and Technology of Explosives, vol. 1, The Macmillan Co., New York, 1964, pp. 86 and 133.

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