TRANSPARENT POLYMER FILM AND METHOD FOR PRODUCING IT, AND RETARDATION FILM, POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE FILM

摘要

A transparent polymer film satisfying Rth/Re<0.5, Re>0 and Rth>0, and having a moisture permeability at 40° C. and a relative humidity of 90% of at least 100 g/(m2.day) as calculated in terms of the film having a thickness of 80 mum. This film can be stuck to a polarizing film in on-line operation.