| 摘要 |
<p>PURPOSE:To obtain the subject packaging material effectively preserving and transporting fresh food with suitably preserving water and moisture inside of a package by inserting a water-absorbing component and flat material keeping the component between a plastic film layer and nonwoven cloth layer made of a synthetic fiber. CONSTITUTION:A water-absorbing component and flat material keeping the above-mentioned component are inserted between a plastic film layer (e.g. made of a porous film) and nonwoven cloth layer made of a synthetic fiber and the peripheral edge part is sealed by heating in a state to enclose the components, or every layers are laminated with adhesive, etc., to be made in one body to afford the objective packaging material.</p> |
