| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water-soluble packaging material with a gas barrier property in which an adequate quantity of a solid/powder material is packaged to facilitate processing of the packaging material at home. <P>SOLUTION: The water-soluble packaging material with a gas barrier property is obtained by coating on a water-soluble plastic film 1 of a polyvinylalcohol or polysaccharides film as a substrate, using a coating agent mainly consisting of a water-soluble polymer, a water-soluble liquid containing at least either (a) at least one alkoxide or/and its hydrolysate or (b) tin chloride, or a water/alcohol mixed soluble liquid. In addition, the water-soluble packaging material with a gas barrier property is laminated with a gas barrier thin film layer 2 formed by heating and drying, and further laminated with a water-soluble heat-sealed layer 4 via a water-soluble adhesive agent layer 3. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
