Moldable/extrudable thermotropic copolyesters/copolyesteramides

Details Moldable/extrudable thermotropic copolyesters/copolyesteramides Moldable/extrudable thermotropic copolyesters/copolyesteramides

1988-07-11

1990-02-27

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528184, 528190, 528194, 528206, C08G 6302

Patent

active

049047566

ABSTRACT:
High molecular weight thermotropic copolyesters and copolyesteramides which can be molded/extruded into a wide variety of useful shaped articles having improved thermomechanical properties are comprised of recurring structural units of the formulae (I), (II), (III) and (IV), wherein ##STR1## in which the symbol A is an oxygen atom or the NH group; the molar ratio of the units (I) relative to the sum of the units (II)+(III) ranges from 0.95 to 1.05;

REFERENCES:
patent: 3598864 (1971-08-01), Caldwell et al.
patent: 3987109 (1976-11-01), Brennan et al.
patent: 4169933 (1979-10-01), Jackson, Jr. et al.
patent: 4496712 (1985-01-01), Irwin
patent: 4499256 (1985-02-01), Blundell et al.
patent: 4499259 (1985-02-01), Irwin
patent: 4717624 (1988-01-01), Ikenaga et al.
patent: 4727131 (1988-02-01), Kock et al.
patent: 4764582 (1988-08-01), Hisgen et al.
Patent Abstracts of Japan, vol. 8, No. 67(C-216) [1504] Mar. 29, 1984.

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