| 摘要 |
PURPOSE: A process of preparing corrugated cardboard by mixing a functional material such as hard charcoal, bioceramic, etc., pulp and an adhesive, or spraying the functional material on the surface of corrugated cardboard is provided. Whereby, the product has an effect on preservation of agricultural products or foods for a long period of time therein. CONSTITUTION: A functional material such as hard charcoal, bioceramic, Rhizoma Coptidis, TiO3 or the like is mixed with pulp and an adhesive, or sprayed on the surface of corrugated cardboard during the production of corrugated cardboard. The functional material has an antimicrobial, sterilizing and insecticidal effect as well as releasing an anion.
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