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MIXING OR KNEADING OF MATERIAL PRODUCING MINUS ION INTO WATER SOLUBLE INK OR COATING MATERIAL

2025-07-29 07:053310下载
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PROBLEM TO BE SOLVED : To keep freshness of food by coating or smearing a paper, table ware, vessel or the like with aqueous or water-soluble ink or coating material which is made by mixing rare earth mineral producing minus ions in the stationary state into porous, aqueous and water-soluble ink or coating material. SOLUTION : The freshness of food can be kept by coating or 10 to 30% smearing the paper, table ware, vessel or the like with the aqueous or water-soluble ink or coating material which is made by mixing rare earth mineral powder of 8μm or less by 7 to 15% to aqueous and water-soluble ink or coating material of 100%. COPYRIGHT : (C)2006, JPO&NCIPI


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