Abstract
The wool fiber with Ag-loading SiO 2 nano-antibacterial agent was prepared by the method of photografting. The structure of subsequent antibacterial wool fiber was discussed in detail. The morphologies, structures and compositions were characterized by using Scanning Electronic Microscope (SEM), Transmission Electronic Microscope (TEM) and Fourier Transformation Infrared Spectrum (FTIR). The results showed that under ultraviolet irradiation the structure of wool fiber was changed, a lot of active groups were formed and grafting with Ag-loading SiO 2 was realized. Thus an antibacterial layer was formed on the surface of wool fiber by covalent bonding and a lasting antibacterial performance was obtained.
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