Melt processable poly(ester-amide) capable of forming an anisotr

Details Melt processable poly(ester-amide) capable of forming an anisotr Melt processable poly(ester-amide) capable of forming an anisotr

1992-12-23

1999-07-06

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528183, 528185, 528190, 528193, C08G 6300, C08G 6302, C08G 6318

Patent

active

059198893

ABSTRACT:
A melt processable poly(ester-amide) which is capable of forming an anisotropic melt phase is provided. A poly(ester-amide) of the present invention may have recurring units of: (a) 4-hydroxybenzoyl moiety, (b) 6-oxy-2-naphthoyl moiety, (c) 4,4'-biphenol moiety, (d) terephthaloyl moiety, and (e) an aromatic moiety capable of forming an amide linkage in the proportions indicated. Preferably, the moiety capable of forming an amide linkage is derived from p-aminophenol, p-phenylenediamine, N-acetyl-p-aminophenol, etc. The resulting poly(ester-amide) is capable of undergoing melt-processing in the temperature range of from about 300.degree. to about 400.degree. C.

REFERENCES:
patent: 4081428 (1978-03-01), Thompson
patent: 4272625 (1981-06-01), McIntyre et al.
patent: 4562244 (1985-12-01), Yoon
patent: 4833229 (1989-05-01), Magagnini et al.
patent: 5030703 (1991-07-01), Pielartzik et al.

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