Aromatic polyester and a process for producing the same

Details Aromatic polyester and a process for producing the same Aromatic polyester and a process for producing the same

1990-07-19

1992-08-25

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528194, C08G 6302, C08G 6318

Patent

active

051420171

ABSTRACT:
An aromatic polyester comprising the repeating units (A), (B), (C) and (D) represented by the following formulae in amounts of 0 to 80 mole %, 10 to 50 mole %, 5 to 50 mole % and 0 to 30 mole %, respectively, having a logarithmic viscosity of 1.0 dl/g or more and capable of being melt-molded at a temperature of 350.degree. C. or less: ##STR1## where R represents a C.sub.2 -C.sub.6 alkylene, and

REFERENCES:
patent: 3637595 (1972-01-01), Cottis et al.
patent: 3778410 (1973-12-01), Kuhfuss et al.
Macromolecules, vol. 20, No. 11, Nov. 1987, Washington, DC, USA pp. 2660-2664; K. Clausen, et al.: "Thermotropic Liquid Crystal Aromatic/Cycloaliphatic Polyesters with Flexible Spacers".
Polymer Journal, vol. 14, No. 1, 1982, Tokyo, Japan, pp. 9-17; C. Ober, et al.: "Liquid Crystal Polymers, V. Thermotropic Polyesters with Either Dyad or Triad Aromatic Ester Mesogenic Units and Flexible Polymethylene Spacers in the Main Chain".
Macromolecules, vol. 20, No. 10, Oct. 1987, Columbus, Ohio, USA, pp. 2340-2344; J. C. W. Chien, et al.: "Liquid Crystalline Compounds and Polymers from Promesogens".
Jedlinski et al., Macromolecules, 22, pp. 1600-1603 (1989).
J. Polym. Sci.: Polym. Chem. Ed., 14, 2043 (1976).

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