SELF-ADHESIVE PACKING FILM

摘要

PURPOSE:To provide a self-adhesive packing film excellent in self-adhesiveness, electronic oven aptitude and 'saw blade' cutting properties and having proper flexibility. CONSTITUTION:A self-adhesive packing film is obtained by stretching a film formed from a polypropylene type resin compsn. prepared by compounding 30-1wt.% of polyisobutylene and/or polybutene with 70-99wt.% of a propylene/ ethylene random copolymer resin with ethylene content of 0.4-7.0wt.% by 2.0 times or more in at least one direction and heat-treating the stretched film within the temp. range from 50 deg.C to the crystal m.p. of the film.