Continuous process for the hydrolytic production of polycaprolac

Details Continuous process for the hydrolytic production of polycaprolac Continuous process for the hydrolytic production of polycaprolac

1988-06-30

1990-01-02

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528323, 528480, 528481, 528483, C08G 6916

Patent

active

048914207

ABSTRACT:
A process for tempering unextracted polycaprolactam is disclosed which results in polycaprolactam having suitable physical and chemical properties for melt extrusion and spinning, without the need for conventional solvent/water extraction and drying of crude granules.

REFERENCES:
patent: 3476711 (1969-11-01), Muller et al.
patent: 3632558 (1972-01-01), Siclari et al.
patent: 3644298 (1972-02-01), Gerlach et al.
patent: 3715340 (1973-02-01), Finestone et al.
patent: 4366306 (1982-12-01), Smith
patent: 4574054 (1986-03-01), Ciaperoni et al.

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