Synthetic polymer film having surface with bactericidal action, laminate having synthetic polymer film, sterilization method using surface of synthetic polymer film and method for reactivating surface of synthetic polymer film
Synthetic polymer films (34A) and (34B) having a surface having a plurality of first protrusions (34Ap) and (34Bp), from the normal direction of the synthetic polymer films (34A) and (34B) When viewed, the two-dimensional size of the plurality of first protrusions (34Ap), (34Bp) is in the range of more than 20 nm and less than 500 nm, and the surface has a bactericidal effect. 複数の第1の凸部(34Ap)、(34Bp)を有する表面を備える合成高分子膜(34A)、(34B)であって、合成高分子膜(34A)、(34B)の法線方向から見たとき、複数の第1の凸部(34Ap)、(34Bp)の2次元的な大きさは20nm超500nm未満の範囲内にあり、表面が殺菌効果を有する。