OPTICAL POLYCARBONATE RESIN MOLDING COMPOUND AND OPTICAL DISK SUBSTRATE

摘要

PROBLEM TO BE SOLVED: To provide polycarbonate resin pellets capable of reducing the generation of silver streaks by molding, smoothly operated at the time of molding processing and suitable for an optical molding compound. SOLUTION: The optical polycarbonate resin molding compound comprises polycarbonate resin pellets characterized in that an angle of repose is 23-28 deg., the weight mean value of one pellet is 13-26 mg and standard deviation is not more than 2.2 mg.