Method and apparatus for the production of polyamide 6 from poly

Details Method and apparatus for the production of polyamide 6 from poly Method and apparatus for the production of polyamide 6 from poly

1997-03-28

1999-05-11

McMahon, Timothy

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

521 498, 526914, 528499, 528500, C08F2/02

Patent

active

059025530

ABSTRACT:
In a method for the depolymerization and reprocessing of material which consists of polyamide 6 waste and/or oligomer-containing polyamide 6 waste and/or oligomer-containing lactam residues and/or oligomer-containing lactam by hydrolysis in a pressure reactor with the addition of water, the material is melted and the melt is conducted continuously at predetermined temperature through the pressure reactor the inside pressure of which is controlled by the dosaged feeding of water or steam.

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patent: 5359062 (1994-10-01), Fuchs et al.
patent: 5620665 (1997-04-01), Kubota et al.

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