Liquid crystalline poly(ester-amides)

Details Liquid crystalline poly(ester-amides) Liquid crystalline poly(ester-amides)

1996-06-24

1997-11-18

Acquah, Samuel A.

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, 528194, 528335, 528344, 528361, C08G 6300

Patent

active

056888953

ABSTRACT:
Disclosed herein are thermotropic liquid crystalline poly(ester-amides) containing repeat units derived from alipatic diamines and other monomers, such as aromatic diols, aromatic dicarboxylic acids, aromatic hydroxycarboxylic acids, and optionally aliphatic diols. The polymers are particularly useful as films and in multilayer structures as barrier layers because of their relatively low permeability to various compounds.

REFERENCES:
patent: 4895922 (1990-01-01), Ogata
patent: 5162484 (1992-11-01), Judas

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