Patent ID: 6576386
Filing Date: 2003-06-10
Classification: C08G,G03G

Abstract:
An aromatic block polycarbonate resin prepared by polymerizing:a diphenol compound having a tertiary amine structure, a diol compound represented by formula (1), and a halogenated carbonyl compound â€ƒwherein n is an integer of 1 to 50; and X is a bivalent group represented by formulae (1-b) or (1-c): â€ƒin which R3 and R4 are each independently an alkyl group which may have a substituent, an aryl group which may have a substituent, or a halogen atom; c and d are each independently an integer of 0 to 3; wherein said aromatic block polycarbonate resin is represented by formula (3): wherein Ar1, Ar2, and Ar3 are each a substituted or unsubstituted arylene group, and R17 and R18, which may be the same or different, are each an acyl group, an alkyl group which may have a substituent, or an aryl group which may have a substituent; wherein X and n are the same as those previously defined; and wherein k and j represent the compositions ratios, and 0