THERMOPLASTIC RESIN FILM AND METHOD FOR PRODUCING THERMOPLASTIC RESIN FILM

摘要

The present invention pertains to a thermoplastic resin film in which: the ratio Er³⁰ at 30°C of the elastic modulus E^TD in a film width direction orthogonal to a film transport direction relative to the elastic modulus E^MD in the film transport direction is 1.1-1.8; and the difference between a maximum value Er_max and a minimum value Er_min selected from the ratio Er³⁰ at 30°C, the ratio Er⁹⁰ at 90°C, the ratio Er¹²⁰ at 120°C, the ratio Er¹⁵⁰ at 150°C, and the ratio Er¹⁸⁰ at 180°C, of the elastic modulus E^TD relative to the elastic modulus E^MD, is 0.7 or less. The present invention also pertains to a method for producing the thermoplastic resin film.