| 摘要 |
Disclosed is a multi-layer film comprised of at least one high density polyolefin (HDPE) layer, at least one polyamide layer and an HDPE/polyamide adhesion promoting agent. The agent is substantially free of inorganic salt groups and it is a non-ionic product of a polymerization reaction of a C2-C6 alpha-olefin with a monocarboxylic acid of the formula R-COOH wherein R is an ethylenically unsaturated hydrocarbyl group.
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