| 摘要 |
<p>Sheet materials and packages capable of holding hard-to-hold products such as methyl salicylate. The preferred embodiments include a foil layer and a layer of EVOH between foil layer and the enclosed product. A carboxy modified adhesive layer is disposed between the EVOH layer and the product. Additional layers are used in the sheet material for purposes of adhesion, appearance, protection, body, and the like. One embodiment of the invention is a coextruded film comprising the EVOH layer, a surface layer, an intervening adhesive layer, and a fourth covering layer for covering and protecting the EVOH layer, especially from physical abuse. The sheet materials of the invention may be made into packages using fin seals and lap seals.</p> |
