ANTIBACTERIAL AGENT, BACTERICIDAL AGENT, ANTIBACTERIAL MATERIAL, BACTERICIDAL MATERIAL, ANTIBACTERIAL METHOD, AND BACTERICIDAL METHOD

摘要

PROBLEM TO BE SOLVED: To provide an antibacterial and/or bactericidal agent excellent in antibacterial property and bactericidal property even at low concentration.SOLUTION: The antibacterial and/or bactericidal agent contain, as an active ingredient, a copolymer represented by a block copolymer comprising the following A block and B block: A block has a repeating unit derived from DAMA (dimethylaminoethyl methacrylate) and is partially converted into a quaternary ammonium; and B block has a repeating unit derived from MMA (methyl methacrylate), nBMA (normal butyl methacrylate) and EHMA (2-ethylhexyl methacrylate).SELECTED DRAWING: None