发明名称 Multilayer films which can be welded by high frequency
摘要 The invention relates to a multilayer film, which is useful for making flexible sachets, comprising (i) a barrier film based on a mixture of polyamide and of polyolefin, and (ii), on at least one of its faces, a film based on a copolymer of ethylene and of an unsaturated ester, which can be welded by high frequency. The invention is useful for making flexible sachets of detergents, of bleach or of textile softeners.
申请公布号 US5985390(A) 申请公布日期 1999.11.16
申请号 US19970855367 申请日期 1997.05.13
申请人 ELF ATOCHEM S.A. 发明人 DEGRAND, MICHEL
分类号 B29C65/04;B29L9/00;B29L22/00;B32B27/32;B32B27/34;C08L77/00;(IPC1-7):B29D22/00 主分类号 B29C65/04
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