发明名称 UN METODO PARA OBTENER UNA PELICULA ORIENTADA DE CAPAS MULTIPLES COEXTRUIDAS
摘要 <p>A coextruded multiple layer oriented film is provided which comprises a core layer of ethylene vinyl alcohol copolymer, two intermediate adhesive layers, and two outer layers of a blend of ethylene propylene copolymer and polypropylene. A preferred embodiment of the multi-layer film exhibits excellent optical properties, and shrink properties while providing high oxygen barrier especially useful in food packaging applications.</p>
申请公布号 ES556591(D0) 申请公布日期 1987.04.16
申请号 ES19910005565 申请日期 1986.06.25
申请人 W.R. GRACE Y CO 发明人
分类号 B32B27/28;B29C47/04;B29C55/02;B29C67/06;B29C69/02;B29D7/00;B29K23/00;B29K55/00;B29L9/00;B32B27/32;(IPC1-7):B29C69/00;B32B27/00;B29D9/00 主分类号 B32B27/28
代理机构 代理人
主权项
地址