Patent ID: 6040047
Filing Date: 2000-03-21
Classification: B32B,C08L,C09J,Y10S,Y10T

Abstract:
A cover tape comprising:a biaxially oriented resin layer,a heat sealant layer, andan intermediate layer located adjacent to said heat sealant layer and between said biaxially oriented resin layer and said heat sealant layer,wherein said intermediate layer comprises a resin composition including 30 to 50% by weight of an ethylene-.alpha.-olefin copolymer having a density of from 0.915 to 0.940 g/cm.sup.3, and 70 to 50% by weight of a styrene-butadiene block copolymer composed of 50 to 90% by weight of styrene and 50 to 10% by weight of butadiene.