| abstract |
(57) [Problem] To provide a release film excellent in heat release properties, environmental suitability, and workability. SOLUTION: At least the surface layer is mainly made of a resin composition containing a styrene polymer having a syndiotactic structure or a styrene polymer having a mainly syndiotactic structure, and the crystallinity of the layer is 30% or more. , A release film having a film impact of 2000 J / m or more and a wetting index of 36 or less. Especially process film. |