发明名称 Rigid film with high perforation resistance for packaging and technical applications and method for the production thereof
摘要 Film, comprising at least one layer with a polypropylene content of at least 45 wt.% and a content of polyethylene in the same layer or a further layer, is claimed, where the film is obtained by preparing a starting film web, heating the film web to a molten state of the polyethylene but below the molten state of the polypropylene and directing the heated film web by a cooled roller nip, and the film has a secant-E-modulus at 5% elongation, as measured according to ISO 527, of at least 160 N/mm 2>and a tensile strength according to ISO 527 of at least 30 N/mm 2>.
申请公布号 EP2353844(A1) 申请公布日期 2011.08.10
申请号 EP20100001214 申请日期 2010.02.05
申请人 RKW SE 发明人 GREFENSTEIN, ACHIM;BRANDMAIER, FLORIAN;MAIER, LEONHARD
分类号 B29C55/02;B29C55/00;B29C55/18;B29C59/00;B29C59/04 主分类号 B29C55/02
代理机构 代理人
主权项
地址