| 摘要 |
<p>Heat shrinkable co-extruded multilayer polyolefin film having an improved heat seal resistance, comprising: A) A central layer consisting of a blend obtained by an homogeneous dispersion of an ethylene-propylene-butene terpolymer (EPB) produced by catalysis, in a linear ethylene-alpha olefin C4, C5, C6 or C8 copolymer, said blend being optionally added with a linear ethylene-alpha olefin C4, C5, C6 or C8 copolymer , B) At least two layers externally placed with respect to said central layer and constituted by an ethylene-propylene-butene terpolymer (EPB) produced by catalysis, mixed with an ethylene-propylene copolymer (EPC).</p> |
