Polyamide, from condensed cyclic dicarboxylic acid and branched

Details Polyamide, from condensed cyclic dicarboxylic acid and branched Polyamide, from condensed cyclic dicarboxylic acid and branched

1985-07-16

1986-10-14

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528336, 528346, 528347, 528349, C08G 6926

Patent

active

046173757

ABSTRACT:
Polyamides formed from 80 to 100 mol %, relative to the polyamide, of at least one structural element of the formula I ##STR1## and 20 and 0 mol % of at least one structural element of the formulae II and/or IIa ##STR2## wherein R.sup.1 and R.sup.2 are lower alkyl, or together are alkylene, R.sup.3 is naphthylene or anthracenylene or the corresponding cycloaliphatic ring systems, R.sup.4 is alkylene, R.sup.5 is alkylene or an aromatic radical, and R.sup.6 is alkylene, cycloalkylene or a divalent araliphatic radical. The polyamides have melting points which render possible processing by thermoplastic shaping processes.

REFERENCES:
patent: 4225701 (1980-09-01), Pfeifer et al.
patent: 4275239 (1981-06-01), Pfeifer et al.

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