| 摘要 |
<p>Material for making hermetically sealed food or technical packaging for direct contact with an aqueous or moist medium comprises a layer of polydimethylketene (I). Material for making hermetically sealed food or technical packaging for direct contact with an aqueous or moist medium comprises a layer of polydimethylketene (I) comprising 70-100 mole% units of formula (A1) and 0-30 mole% units of formula (A2): [Structures (A1) and (A2), page 6] An independent claim is also included for an object in direct contact with an aqueous or moist medium, comprising a material as above.</p> |
