Thermoplastic polycarbonate compositions having improved oxygen barrier properties
申请人:GENERAL ELECTRIC COMPANY
公开号:EP0406640A2
公开(公告)日:1991-01-09
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. Cyano-substituted bisphenol monomers are also provided.