Thermoplastic polycarbonate compositions having improved...

Details Thermoplastic polycarbonate compositions having improved... Thermoplastic polycarbonate compositions having improved...

C - Chemistry, Metallurgy

08

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402/178

C08G 64/12 (2006.01) C07C 255/36 (2006.01) C08G 63/64 (2006.01) C08G 63/685 (2006.01)

Patent

CA 2013354

RD-18,173 THERMOPLASTIC POLYCARBONATE COMPOSITIONS HAVING IMPROVED OXYGEN BARRIER PROPERTIES 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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