Patent ID: 8207288
Filing Date: 2012-06-26
Classification: C08G,C09D,G03G

Abstract:
1. A polycarbonate polymer, comprising: a monomer unit represented by a formula (1A) below; and a monomer unit represented by a formula (2) below, wherein a haze of a solution that is prepared by dissolving the polycarbonate polymer in THF (tetrahydrofuran) at a concentration of 10 mass % is 5% or less (according to JIS K7105, optical path length of 10 mm), where: R and R′ each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 12 carbon atoms or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms; n1 is an integer in a range of 2 to 4; and n2 is an integer in a range of 25 to 700; and where: Ar represents a divalent aromatic group.