| 摘要 |
PROBLEM TO BE SOLVED: To form a zelite film of antibacterial and mildew-proofing properties on the surface of a base or a molded product by a simple method. SOLUTION: A sol-gel bath is prepared by adding alcoxyde of antibacterial metal or β-diketonate into a solution prepared by dissolved aluminum alcoxyde, alcoxysilane, alcoxyde of alkaline metal or alkaline earth metal, a stabilizer and water into an organic solvent, and a base or a molded product is coated by using the sol-gel bath and also using immersion, coating, spraying methods or the like, and dried and then burnt. As the antibacterial metal, one kind or two kinds or more selected out of Ag, Cu, Zn, Sn, Pb, Co and Bi are used. It is preferable that the antibacterial metal of the ratio of 0.1-45% is carried on a zeolite film. Therefore, the zeolite film of antibacterial properties and mildew resistance is manufactured in one process. |
