| abstract |
(57) [Summary] [Purpose] When added to materials such as resins, rubbers, paints, cosmetics, fibers, etc., it has good dispersibility, shows sufficient antibacterial effect without losing the original properties of the material, and discolors, An antibacterial agent that does not deteriorate is provided. A composite particle having a coating layer containing at least one metal selected from the group consisting of silver, copper and zinc and / or a compound thereof on fine particles to be a core, and the coating layer, , An antibacterial agent comprising hollow particles having pores inside. |