PROBLEM TO BE SOLVED: To provide a method for producing an antimicrobial agent composed of heavy metal ion-carrying tetrasilicon mica, in which a surely and inexpensively synthesizable starting raw material is used, a heavy metal ion-carrying antimicrobial agent having excellent antimicrobial activity is produced from the raw material by ion exchange and, if necessary, a product of porous sintered molding is produced from a powdery product having excellent antimicrobial activity and to obtain the antimicrobial agent.SOLUTION: The method for producing an antimicrobial agent composed of heavy metal ion-carrying tetrasilicon mica comprises using a Na-tetrasilicon mica represented by rational formula NaMg2.5(Si4O10)-F2-xH2O (x is 1-3) as a raw material and subjecting its interlayer Na ion to ion exchange with Ag+ or Cu2+.COPYRIGHT: (C)2006,JPO&NCIPI【課題】 確実且つ安価に合成し得る出発原料として使用し、これを、イオン交換により抗菌力の優れた重金属イオン担持の抗菌剤を製造し、必要に応じ、抗菌力の優れた粉状の製品から多孔質の焼結成形体の製品まで製造し得る重金属イオン担持四ケイ素雲母から成る抗菌剤の製造法とその抗菌剤を提供する。【解決手段】 示性式NaMg2.5(Si4O10)・F2・xH2O(但、x=1~3)で示されるNa-四ケイ素雲母を原料とし、その層間NaイオンをAg+又はCu2+でイオン交換を行うことを特徴とする金属イオン担持四-ケイ素雲母から成る抗菌剤の製造法。【選択図】なし
