| 摘要 |
Heat-sealable, optionally printable multilayer films which are oriented at least monoaxially and have an asymmetric structure, comprising a film comprising a propylene polymer as the base layer and two outer heat-sealing layers, of which 1) one heat-sealing layer comprises an ionomer resin or an ethylene vinyl acetate copolymer, and 2) the other, optionally printable heat-sealing layer comprises a copolymer made from ethylene and acrylic acid and optionally acrylic acid derivatives. |
