Patent ID: 6517937
Filing Date: 2003-02-11
Classification: C09J,Y10T

Abstract:
A self-adhesive protective film having a single-ply or multi-ply backing layer and an adhesive layer, the adhesive layer comprising a polar component A and an apolar component B, the weight fraction of the polar component A being from 50 to 99% and comprising one or a mixture of copolymers of ethylene and vinyl acetate whose vinyl acetate content is between 40 and 80% by weight, and the weight fraction of the apolar component B being from 1 to 50% and comprising one or a mixture of slightly crystalline or amorphous homopolymers or copolymers of &agr;-olefins of 2 to 12 to carbon atoms, said polymers being saturated in the main chain.