Patent ID: 9127119
Filing Date: 2015-09-08
Classification: C08G,C08L

Abstract:
1. A polycarbonate copolymer composition comprising: (a) monomeric units comprising a carbonate unit derived from a first aromatic dihydroxy compound, wherein the carbonate unit comprises the formula: wherein Ra and Rb each represent a halogen atom or a monovalent hydrocarbon group and can be the same or different; p and q are each independently integers of 0 to 4, R3 is each independently a C1-6 alkyl group, j is 0 to 4, and R4 is a C1-6 alkyl, phenyl, or phenyl substituted with up to five C1-6 alkyl groups; and (b) monomeric sulfone units comprising the formula wherein m is from 4-7.