Thermotropic liquid crystal polyester

Details Thermotropic liquid crystal polyester Thermotropic liquid crystal polyester

1992-10-13

1994-07-05

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528192, 528193, C08G 6300, C08G 6302

Patent

active

053268482

ABSTRACT:
Provided are novel thermotropic liquid crystal polyesters consisting essentially of the following structural units (1), (2) and (3) or those (2), (3), (4) and (5) and shaped articles comprising these polyesters. Also provided are packaging materials and containers comprising the above thermotropic liquid crystal polyesters or a polyester consisting essentially of the following structural units (2), (3), (5) and (6). ##STR1## wherein Ar represents a 1,4-phenylene group or 2,6-naphthylene group ##STR2##

REFERENCES:
patent: 3778410 (1973-12-01), Kuhfuss et al.
patent: 3804805 (1974-04-01), Kuhfuss et al.
patent: 4782132 (1988-11-01), Nozawa et al.

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