Poly(ester-amide) capable of forming an anisotropic melt phase d

Details Poly(ester-amide) capable of forming an anisotropic melt phase d Poly(ester-amide) capable of forming an anisotropic melt phase d

1980-12-09

1982-05-18

Cockeram, H. S.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528183, 528190, 528271, 528288, C08K 340, C08G 6902, C08G 6912

Patent

active

043304575

ABSTRACT:
A melt processable poly(ester-amide) which is capable of forming an anisotropic melt phase is provided. The poly(ester-amide) of the present invention consists essentially of the recurring units (a) 6-oxy-2-naphthoyl moiety, (b) aryl dicarboxyl moiety or trans-1,4-dicarboxycyclohexane moiety, (c) an aromatic moiety capable of forming an amide linkage in the polymer, and (d) optionally, dioxyaryl moiety in the proportions indicated. Preferably, the aromatic moiety capable of forming an amide linkage is p-aminophenol or p-phenylenediamine. The resulting poly(ester-amide) exhibits a melting temperature below approximately 400.degree. C., preferably below approximately 350.degree. C. The poly(ester-amide) of the present invention is preferably formed by a melt polymerization technique.

REFERENCES:
patent: 3809679 (1974-05-01), Lenz et al.
patent: 3859251 (1975-01-01), Kuhfuss et al.
patent: 4067852 (1978-01-01), Calundann
patent: 4182842 (1980-01-01), Jackson et al.
patent: 4219461 (1980-08-01), Calundann
patent: 4238598 (1980-12-01), Farstritsky
patent: 4238599 (1980-12-01), Langleyet al.
patent: 4256624 (1981-03-01), Calundann
patent: 4267304 (1981-05-01), Foasey et al.
European Patent Application, 0007715, (Publication No.), ICI, Feb. 6, 1980.

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