Patent ID: 9238315
Filing Date: 2016-01-19
CPC Classification: B29C,B29K,B32B,Y10T

Claim Text:
1. A film having a secant-E-modulus at 5% elongation, as measured according to ISO 527, of 150-600 N/mm 2 , a tensile strength according to ISO 527 of 30-70 N/mm 2 and a percent elongation at break according to ISO 527 of 400-1200%, comprising at least one layer having a polypropylene content of at least 45% by weight and a polyethylene content in the same layer or in a further layer that is obtained by producing a starting film web, heating the starting film web to the molten state of the polyethylene, but to below the molten state of the polypropylene and passing the heated starting film web through a cooled roller nip.