Process for preparing polyamide in uniformly fluidized state

Details Process for preparing polyamide in uniformly fluidized state Process for preparing polyamide in uniformly fluidized state

1982-06-01

1984-02-21

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528335, 528339, 528340, C08G 6928

Patent

active

044331363

ABSTRACT:
A process for preparing a polyamide is provided. The polyamide is prepared by effecting direct polycondensation reaction of a dicarboxylic acid component containing at least 80 mole % of adipic acid and a diamine component containing at least 70 mole % of m-xylylene diamine under an atmosphere of an inert gas and at atmospheric pressure at a controlled temperature which is higher than the melting point of the dicarboxylic acid component and which can maintain the reaction mixture in a uniformly-fluidized state throughout the reaction.

REFERENCES:
patent: 2840547 (1958-06-01), Stump

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