| 摘要 |
<p>PURPOSE:To contrive a reduction in labor for ballot counting and enhancement of preservability of a ballot paper, by composing the ballot paper of a shape- recovering sheet formed from a norbornene polymer. CONSTITUTION:A ballot paper 1 is composed of a shape-recovering sheet formed from a norbornene polymer. The ballot paper 1 has, stored as a base phase shape, a flat plate-like shape required at the time of practical use thereof, namely, voting. After a required item, such as a name, is written on the ballot paper, a deformation such as folding in two is applied to the ballot paper, and the deformed condition is maintained. Subsequently, the ballot paper is heated again to a specified temperature (e.g., 40-60 deg.C) at the time of ballot counting, whereby the deformation is spontaneously removed, and the ballot paper recovers the initial stored shape, namely, the flat plate-like shape or a shape similar thereto. When the ballot paper is then returned to normal temperature, it is solidified in the flat plate-like shape.</p> |
