PROBLEM TO BE SOLVED: To provide a material surface treatment method in which an antibacterial property and the like may be easily provided by using persimmon tannin, and a method for manufacturing an antibacterial material.SOLUTION: A material surface treatment method comprises the steps of: adhering a water-soluble persimmon tannin component onto a material surface and exposing the material surface, on which the water-soluble persimmon tannin component has been adhered, to an aldehyde gas.COPYRIGHT: (C)2012,JPO&INPIT【課題】柿渋を用いて容易に抗菌性等を付与することができる材料表面処理方法、及び、抗菌性材料の製造方法を提供する。【解決手段】水溶性柿渋成分を材料表面に付着させる工程、及び、上記水溶性柿渋成分が付着した材料表面をアルデヒドガスに暴露する工程を有する材料表面処理方法。【選択図】なし
