Patent ID: 6638602
Filing Date: 2003-10-28
Classification: C09J,Y10S,Y10T

Abstract:
An adhesive wrapping film having a continuous tackifier layer (A) on at least one side surface of a substrate layer (B) whose surface has a concavo-convex form, wherein a thickness of the tackifier layer at the concave portion of the substrate layer is larger than that at the convex portion of the substrate layer, and a thickness of the substrate layer BAV, a thickness of the tackifier layer at the concave portion of the substrate layer Amax, a ten-point average roughness of the surface of the tackifier layer corresponding to a height of the convex portion of the tackifier layer RZ(A), and a ten-point average roughness of the surface of the substrate layer corresponding to a height of the convex portion of the substrate layer RZ(B) satisfy a relation of the following conditional expressions (1) and (2):(1) AmaxZ(B)AV (2) RZ(A)Z(B).