<p>A film having a polypropylene surface layer and a polyethylene surface layer is used in fill and seal packaging applications, in which the polyethylene layer consists essentially of a ethylene copolymer having a narrow molecular weight distribution ethylene and a CBDI of greater than 50%. The package is formed by heat sealing the polyethylene surface to the polypropylene surface of the film to form a transverse seal.</p>
申请公布号
EP0963409(B1)
申请公布日期
2003.04.16
申请号
EP19980910045
申请日期
1998.02.24
申请人
EXXONMOBIL CHEMICAL PATENTS INC.
发明人
VAN LOON, ACHIEL, JOSEPHUS, MARIA;DONALD, FIONA;ESPEEL, PATRICK