Thermoplastic polyarylate compositions having improved oxygen ba

Details Thermoplastic polyarylate compositions having improved oxygen ba Thermoplastic polyarylate compositions having improved oxygen ba

1990-09-25

1991-09-24

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528271, C08G 6302, C08G 6318

Patent

active

050514903

ABSTRACT:
Aromatic thermoplastic polyarylates containing structural units derived from a bisphenol of cyclohexanone, preferably 1,1-bis(4-hydroxy-3-methylphenyl)cyclohexane, and an aromatic dicarboxylic acid or mixture of such acids, are provided which exhibit improved oxygen barrier properties.

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