High modulus polyester from 4,4'-diphenyldicarboxylic acid

Details High modulus polyester from 4,4'-diphenyldicarboxylic acid High modulus polyester from 4,4'-diphenyldicarboxylic acid

1988-11-22

1990-03-06

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528194, C08G 6308, C08G 6306

Patent

active

049067249

ABSTRACT:
A high modulus polyester molded article is obtained by molding an aromatic polyester which comprises at least one structural unit selected from the following structural units (I) to (III), the structural units (II)+(III) being less than 10 mol % of the structural units (I)+(II)+(III), and which is capable of forming anisotropic melt: ##STR1## wherein X represents at least one group selected from ##STR2## Y represents at least one group selected from ##STR3## and Z represents at least one group selected from ##STR4##

REFERENCES:
patent: 3778410 (1973-12-01), Kuhfuss et al.
patent: 3975487 (1976-08-01), Cottis et al.
patent: 4161470 (1979-07-01), Calundann
W. J. Jackson Jr. et al., J. Polymer Sci., 14, 2043-2058 (1976).

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