Patent ID: 7108908
Filing Date: 2006-09-19
Classification: B32B,B41M,Y10S,Y10T

Abstract:
1. A multi-layered stretched resin film comprising: a base layer (A) containing 40 to 90 wt % of a polyolefinic resin and 10 to 60 wt % of an inorganic fine powder or an organic filler; and an amorphous resin-containing layer (B) provided on at least one side of such base layer (A), and containing 0 to 85 wt % of a polyolefinic resin and 15 to 100 wt % of an amorphous resin having a glass transition temperature of 70–140° C.; said amorphous resin-containing layer (B) having a porosity of 5% or below; and said amorphous resin is selected from the group consisting of cycloolefinic resins, atactic polystyrenes, polycarbonates and acrylic resins.