| 摘要 |
There is provided an antibacterial fiber, an antibacterial twisted yarn and an antibacterial cloth which exhibits high durability to post-processing with water, detergent, staining or the like at a small added amount. In an antibacterial fiber 200, an antibacterial property imparting glass composition 10 is fixed in a form of, for example, a particle on the surface of a fiber substrate 16 and/or dispersed and complexed in the fiber substrate 16. An antibacterial property imparting glass composition 10 comprises 0.1 to 5.0% by weight of Ag2O in a composition containing 45-67 mol % of P2O5, 5 to 20 mol % of Al2O3, 1 to 40 mol % of 1 or 2 or more selected from MgO, CaO and ZnO, and 20 mol % or less of B2O3. An antibacterial fiber 200 containing such the antibacterial property imparting glass composition 10 at a ratio of, for example, 0.1 to 5.0% by weight shows high water resistance, acid resistance, alkali resistance and detergent resistance in antibacterial property.
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