Patent ID: 9156228
Filing Date: 2015-10-13
Classification: B29C,B32B,Y10T

Abstract:
1. A multi-layer plastic film comprising: a foam layer; and at least one compact cover layer adjacent to the foam layer; the foam layer obtained from a foamable plastic composition including: 20 to 80 parts by weight of a high melt strength polyethylene (HMS-PE); 20 to 80 parts by weight of at least one polypropylene; 0.05 to 1.0 parts by weight of at least one inert gas; and 0.05 to 1.0 parts by weight of at least one nucleating agent, wherein the combined weight of the HMS-PE and the at least one polypropylene is 100 parts by weight, and wherein the foam layer is at first not crosslinked and is crosslinked together with the compact cover layer only after the foam layer and the compact cover layer have been joined.