Patent ID: 7662905
Filing Date: 2010-02-16
Classification: C08G,C08K,C08L

Abstract:
1. A copolycarbonate comprising repetitive units represented by the following Formulas (I) and (II): wherein R X represents a single bond, an alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, a cycloalkylidene group having 5 to 15 carbon atoms, —S—, —SO—, —SO R Y represents a linear or branched alkylene group having 2 to 15 carbon atoms; a to d each are an integer of 0 to 4; and n is an integer of 2 to 450; wherein a content of the repetitive unit represented by Formula (II) described above is 1 to 30 mass %, and a viscosity number is 30 to 71.