Support film for solution casting and method of manufacturing same

Abstract

Provided is a film used as a support in a process for producing a resin film by a solution casting method, which film has excellent surface flatness, solvent resistance, and dimensional stability. The support film of the present invention has a structure in which a resin layer is provided on at least one surface of a polyester film; the above resin layer contains an acid-modified polyolefin resin, a crosslinking agent, and polyvinyl alcohol having a degree of saponification of