Patent ID: 8980432
Filing Date: 2015-03-17
Classification: B32B,C08J,Y10T

Abstract:
1. A multilayer film comprising a layer B on at least one surface of a base film, wherein the layer B has a polycaprolactone segment and a urethane bond, and the layer B has average elongation at break of 65% or more at 80° C. to 150° C., wherein the layer B contains a polysiloxane segment and/or a polydimethylsiloxane segment, and wherein the base film has alternately 50 layers or more of each of a layer including polyester resin C in an amount of 50% by mass or more and 100% by mass or less (layer C) and a layer including polyester resin D in an amount of 50% by mass or more and 100% by mass or less (layer D).