发明名称 PELICULA DE POLIOLEFINA DE CAMADAS MULTIPLAS E PROCESSO PARA SUA PRODUCAO
摘要 <p>A multiple-layer polyolefin film comprises a primary layer of an adhesive resin, such as an ethylene-vinyl acetate copolymer, and two secondary layers of an oriented propylene polymer, the thickness of the primary layer being less than 10% of the total film thickness.</p>
申请公布号 BR8602384(A) 申请公布日期 1987.01.21
申请号 BR19868602384 申请日期 1986.05.23
申请人 IMPERIAL CHEMICAL INDUSTRIES PLC. 发明人 JOHN ROBERT PURDY
分类号 B29C55/26;B29K23/00;B29L9/00;B32B27/32;(IPC1-7):B32B27/32;B32B31/00 主分类号 B29C55/26
代理机构 代理人
主权项
地址