Process for producing aromatic polyamide with polar solvent cont

Details Process for producing aromatic polyamide with polar solvent cont Process for producing aromatic polyamide with polar solvent cont

1983-06-27

1988-01-26

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528183, 528179, 528222, 528223, 528225, 528229, 528313, 5283291, 528331, 528337, 528348, C08G 6928

Patent

active

047217723

ABSTRACT:
An aromatic polyamide having a high molecular weight is produced by a polycondensation reaction of an aromatic aminocarboxylic acid and/or a mixture of an aromatic dicarboxylic acid and an aromatic diamine in a polar solvent in the presence of a dehydrating catalyst with heating at a temperature of about 160.degree. C. or higher.

REFERENCES:
patent: 3870685 (1975-03-01), Jones et al.
patent: 4045417 (1977-08-01), Yamazaki et al.

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