| abstract |
An object of the present invention is to provide a polymer material excellent in processability and having an excellent antibacterial or bactericidal action. For example, an antibacterial or bactericidal agent comprising a hyperbranched polymer having a quaternary pyridinium salt portion, a base material on which the antibacterial or bactericidal agent is coated or kneaded therein, the antibacterial agent Or an antibacterial or disinfectant product using a disinfectant, a thin film containing the antibacterial or disinfectant, and a substrate or support having the thin film. [Selection figure] None |