Moldable/extrudable thermotropic aromatic copolyesteramides

Details Moldable/extrudable thermotropic aromatic copolyesteramides Moldable/extrudable thermotropic aromatic copolyesteramides

1989-02-21

1990-05-15

Welsh, Maurice J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528211, 528219, 528271, 528331, C08G 6944, C08L 7712

Patent

active

049259113

ABSTRACT:
High molecular weight thermotropic aromatic copolyesteramides which can be molded/extruded into useful shaped articles having improved mechanical properties are comprised of recurring structural units of the formulae (I), optionally (II), (III) and (IV): ##STR1## and have yield temperatures ranging from 200.degree. to 350.degree. C.

REFERENCES:
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patent: 4169933 (1979-10-01), Jackson, Jr. et al.
patent: 4499256 (1985-02-01), Blundell et al.
patent: 4709005 (1987-11-01), Quentin
patent: 4717624 (1988-01-01), Ikenaga et al.
patent: 4727131 (1988-02-01), Kock et al.
patent: 4764582 (1988-08-01), Hisgen et al.

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