Patent ID: 7754846

Claim:
A process for making polyareneazole comprising the steps of: contacting a complex comprising aromatic or heteroaromatic tetraamine and aromatic or heteroaromatic diacid in a dehydrating solvent; wherein each amine group of said tetraamine is positioned on the aromatic or heteroaromatic ring moiety adjacent to at least one of the remaining amine groups of said tetraamine, and wherein the acid groups of said diacid are bonded to non-adjacent aromatic or heteroaromatic ring carbon atoms of said diacid; and a) heating with agitation to a temperature of about 90 to about 110° C. for a period of about 30 to about 100 minutes; b) heating the product of step a) with agitation to a temperature of about 130 to about 145° C. for a period of about 75 to about 300 minutes; c) heating the product of step b) with agitation to a temperature of about 175 to about 185° C. for a period of about 40 to about 90 minutes; and d) heating the product of step c) with agitation to a temperature of about 186 to about 220° C. for a period of about 15 to about 90 minutes to provide said polyareneazole.