| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a norbornene resin film capable of preventing thermal oxidization deterioration, and capable of leveling a die stripe. <P>SOLUTION: This norbornene resin film is manufactured by co-extruding, from a die 16, a film-like resin 12A comprising a core layer of a resin composition containing, as a main component, the first norbornene resin 12 having 3 cm<SP>3</SP>/10 min. or more to 15 cm<SP>3</SP>/10 min. or less of flow value at 260°C, and an outer layer of a resin composition containing, as a main component, the second norbornene resin 12' having 15 cm<SP>3</SP>/10 min. or more to 45 cm<SP>3</SP>/10 min. or less of flow value at 260°C. <P>COPYRIGHT: (C)2010,JPO&INPIT |
