Purification of caprolactam from recycled nylon

Details Purification of caprolactam from recycled nylon Purification of caprolactam from recycled nylon

1998-04-09

1999-07-06

Ford, John M.

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

Organic compounds

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

540485, 564502, C07D20116

Patent

active

059199270

ABSTRACT:
A method of removing 1,11-diamino-6-undecanone from the pyrolysis product of nylon comprising: a) pyrolyzing nylon-6 to form a pyrolyzate containing a caprolactam mixture;

REFERENCES:
patent: 5216149 (1993-06-01), Evans et al.
patent: 5280105 (1994-01-01), Moran, Jr.
patent: 5294384 (1994-03-01), David et al.
Puffr, R; Kubanek, V. Lactam-Based Polyamides,vol. 1 and 2; CRC Press Boca Raton, 1991.

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