Process for the continuous production of polyamides

Details Process for the continuous production of polyamides Process for the continuous production of polyamides

1983-06-15

1984-08-14

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528323, 528324, 528340, 528347, 528349, C08G 6926

Patent

active

044658214

ABSTRACT:
A process for the production of polyamides by the polycondensation of aqueous solutions of salts of diamines and dicarboxylic acids by continuously introducing the aqueous salt solution into a precondensate melt under atmospheric pressure and simultaneously distilling off the water and maintaining the temperature of the melt at a minimum temperature of 180.degree. C.

REFERENCES:
patent: 3269990 (1966-08-01), Wiloth et al.
patent: 3454536 (1969-07-01), Schade et al.
patent: 3846381 (1974-11-01), Kwok
patent: 3900450 (1975-08-01), Jaswal et al.
patent: 4163101 (1979-07-01), Schade et al.

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