发明名称 Single- and multilayered films useful in forming packaging films or thin-walled articles comprises ethylene/vinyl alcohol copolymer (EVOH) and ethylene/vinyl acetate copolymer (EVM)
摘要 A single or multilayer product containing alpha -olefin/vinyl alcohol copolymer and at least one alpha -olefin/vinyl acetate copolymerizate, where the alpha -olefin/vinyl acetate copolymerizate contains 35-99.99 wt.% vinyl acetate repeating units is new. Independent claims are included for: (1) a packing material; (2) a single layer product is prepared by mixing the copolymerizate with conventional components; (3) preparation of a multilayer product by coextrusion or lamination; and (4) a multilayer product containing at least one layer (A) and at least one layer (B) where A is a thermoplastic polymer and (B) comprises an alpha -olefin/vinyl alcohol copolymer and an alpha -olefin/vinyl acetate copolymer of vinyl acetate content 35-95 wt.%.
申请公布号 DE10137972(A1) 申请公布日期 2003.02.20
申请号 DE20011037972 申请日期 2001.08.08
申请人 BAYER AG 发明人 HOCH, MARTIN;ITTER, ULRICH;PARG, ROLAND;WRANA, CLAUS
分类号 B32B27/08;(IPC1-7):C08J5/18;B32B27/28;B65D65/38;C08L31/04 主分类号 B32B27/08
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