C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/183
C08G 69/44 (2006.01)
Patent
CA 1174788
ABSTRACT OF THE DISCLOSURE 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 propor- tions 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°C., preferably below approximately 350°C. The poly(ester-amide) of the present invention is pre- ferably formed by a melt polymerization technique.
390044
Calundann Gordon W.
Charbonneau Larry F.
East Anthony J.
Celanese Corporation
Smart & Biggar
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