Multi-layer articles are disclosed which include, a polypropylene-based film, and a layer on at least one surface of the polypropylene-based film including an ethylene-based material containing a copolymer of ethylene and at least one alpha-olefin comomoner with a density of no greater than 0.90 g/cm3 and a polydispersity index of between 1 and 4, wherein the multi-layer article is biaxially stretched. In some embodiments the multi-layer article exhibits desirable optical properties.
申请公布号
EP2324388(A2)
申请公布日期
2011.05.25
申请号
EP20090808561
申请日期
2009.07.16
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
MEYER, SCOTT, R.;SHERMAN, AUDREY, A.;SCHAFFER, KEVIN, R.