Obtaining caprolactam by cleaving oligomers of caprolactam

Details Obtaining caprolactam by cleaving oligomers of caprolactam Obtaining caprolactam by cleaving oligomers of caprolactam

1988-03-21

1989-09-26

Bond, Robert T.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540540, C07D20112

Patent

active

RE0330736

ABSTRACT:
Caprolactam is obtained by cleaving oligomers of caprolactam by a process in which the oligomers, in a liquid or solid state, are introduced into a fluidized alumina bed and cleaved at from 290.degree. to 400.degree. C. in the presence of steam, and, in addition to the amount of inert gas required to fluidize the alumina bed, from 0.1 to 3 times this amount of inert gas is introduced above the fluidized bed.

REFERENCES:
patent: 4141896 (1979-02-01), Immel et al.
European Search Report EP 86 10 9184.

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