| abstract |
PROBLEM TO BE SOLVED: To be used as charcoal-containing paper used for preserving the freshness of a packaged product such as fresh food and maintaining the freshness of the packaged product, or used as conductive paper or insulating paper. Another object of the present invention is to provide a charcoal-containing paper which significantly increases the freshness preserving effect as compared with a conventional freshness preserving sheet, and to provide a paper as a new material having conductivity and insulating properties. SOLUTION: Charcoal is contained. |