| 摘要 |
PROBLEM TO BE SOLVED: To obtain an inexpensive organic polymer molding product, containing a specific inorganic particle together with a pyroelectric substance, capable of reducing the discoloration, deterioration or putrefaction of foods or discoloration, withering, etc., of natural flowers and retaining the freshness thereof for a long period and useful as a packaging material, a container, etc., for the foods, natural flowers etc. SOLUTION: This organic polymer molding product such as a film or a sheet is obtained by molding a thermoplastic organic polymer by carrying out the extrusion (blow) molding, injection (blow) molding, calendar molding, etc. (A) An inorganic particle comprising a metallic ion held therein (e.g. the one comprising ions of silver, zinc, copper, gold, platinum, iron, etc., held on an inorganic particle such as zeolite, zirconium phosphate or calcium phosphate and having <=3μm average particle diameter) together with (A) a pyroelectric substance such as tourmaline or hemimorphite (e.g. a fine powder or a particulate substance having <=5μm average particle diameter) are contained therein.
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