Thermoplastic polycarbonate composition having improved oxygen b

Details Thermoplastic polycarbonate composition having improved oxygen b Thermoplastic polycarbonate composition having improved oxygen b

1990-05-09

1992-05-05

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528171, 528176, 528193, 528203, C08G 6364

Patent

active

051108976

ABSTRACT:
High molecular weight, thermoplastic aromatic polycarbonate compositions exhibiting improved oxygen barrier properties are provided which comprise structural units derived from a diester bisphenol or a cyano-substituted bisphenol, or an aromatic dihydric phenol in admixture with either of the foregoing bisphenol compounds. Novel cyano-substituted bisphenol monomers are also provided.

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