METHOD AND DEVICE FOR MANUFACTURING TREATED FILM

摘要

A method for manufacturing a treated film of a resin film, having at least a step of bringing a long resin film into contact with a treatment liquid in a treatment tank and conveying the resin film while the resin film is treated, wherein at least one step of the treatment step is a one-side contacting step performed while, in a state in which the treatment tank is filled with the treatment liquid, the liquid surface of the treatment liquid in the treatment tank and the bottom surface of the resin film are brought into contact, and a nip roll is disposed behind at least one one-side treatment tank pertaining to the one-side treatment step. Through this manufacturing method, the occurrence of scratches, damage, and other defects can be reduced while the desired characteristics are obtained in the resultant treated film.