Depolymerization of polyamides

Details Depolymerization of polyamides Depolymerization of polyamides

1996-04-15

1997-09-16

Bond, Robert T.

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

Organic compounds

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

560155, 564198, 558452, C07D20112

Patent

active

056682778

ABSTRACT:
One or more polyamides can be depolymerized in the presence of at least one nitrogen-containing compound. The depolymerization takes place at a pressure between about 0.5 and about 5 atm. The polyamide may be in the form of carpet waste or other heterogeneous form. Advantages include better selectivity towards the polyamide monomeric components and use of low pressure equipment to effect depolymerization.

REFERENCES:
patent: 5302756 (1994-04-01), McKinney
patent: 5395974 (1995-03-01), McKinney

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