| 摘要 |
PROBLEM TO BE SOLVED: To provide a colored master pellet for optical molding excellent in designing, easy to judge its kind and use instantly, little in color fading phenomenon, color non-uniformity, color streaks, or the like, when an optical disk substrate is molded therewith, and high in long-term reliability, and the optical disk substrate therewith. SOLUTION: The colored master pellet for optical molding is formed from a resin composition comprising 100 pts.wt. thermoplastic resin (component A), 0.0001-1.0 pts.wt. specific additive (component B), and 0.005-10 pts.wt. coloring agent (component C), and the optical disk substrate is prepared therewith. |
