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Polycarbonates of substituted cyclohexylindenebisphenols

  • US 5,034,458 A
  • Filed: 08/09/1990
  • Issued: 07/23/1991
  • Est. Priority Date: 08/22/1989
  • Status: Expired due to Fees
First Claim
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1. A thermoplastic molding composition comprising(A) an aromatic polycarbonate resin having a weight average molecular weight Mw of at least 10,000 containing bifunctional carbonate structural units corresponding to ##STR14## wherein R1, R2, R3, R4 independently represent hydrogen, C1l -C12 hydrocarbon radical or halogen;

  • andR5, R6, R7, R8 and R9 independently represent hydrogen or C1 -C12 hydrocarbon radical, one of R5 and R9 representing hydrogen and the other C1 -C12 hydrocarbon;

    in amounts of from 100 to 1 % based on the total amount of difunctional carbonate structural units in the polycarbonate.

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