LAMINATED COMPOSITE FILM, PRODUCTION THEREOF, EXTERIOR PART MATERIAL OF HOUSEHOLD ELECTRIC PRODUCT AND PACKAGING MATERIAL FOR BODY WARMER

摘要

PURPOSE:To provide a laminated composite film wherein a film composed of a plymeric resin of every kind and a film composed of a different kind of a material are strongly bonded. CONSTITUTION:A laminated composite film consists of a first porous film 173 composed of a polymeric resin and having a large number of fine non-through- holes with an opening size of 50mum or less in density of 500/cm<2> or more uniformly bored therein, the second film 171 laminated to the surface on the opening side of non-through-holes of the first film 173 and the adhesive layer 181 interposed between the first and second films 173, 171 and partially embedded in a large number of the non-through-holes of the first film 173.