Liquid crystal polyester and method for preparing the same

Details Liquid crystal polyester and method for preparing the same Liquid crystal polyester and method for preparing the same

1996-02-05

1999-06-15

Wu, Shean C.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

523500, 525133, C09K 1920, C08L 6706, C08F28301

Patent

active

059119144

ABSTRACT:
The present invention provide a liquid crystal polyester represented by the formula I ##STR1## wherein A is ##STR2## B is ##STR3## R.sub.1 and R.sub.2, independently to each other, are hydrogen, halogen or C.sub.1 -C.sub.3 alkyl, and

REFERENCES:
patent: 3778410 (1973-12-01), Kuhfuss et al.
patent: 4067850 (1978-01-01), Kohler et al.
patent: 5543476 (1996-08-01), Jones et al.
patent: 5563216 (1996-10-01), Niwano et al.
Skrifvars et al. "Synthesis and LC-Behavior of Unsaturated Para-linked Aromatic Polyesters by Interfacial Polycondensation", Polymer Prep. 34(2), 1993, pp. 696-697.
Donald, A.M., et al. Liquid Crystalline Polymers, Cambridge University Press, Cambridge, U.K., 1992, pp. 58-75 and 286-287.

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