| abstract |
Synthetic polymer films (34A) and (34B) respectively provided with surfaces having a plurality of projections (34Ap) and (34Bp), wherein: when viewed from the normal direction of the synthetic polymer films (34A) and (34B), the two-dimensional size of the projections (34Ap) and (34Bp) is more than 20 nm and less than 500 nm; the surfaces have sterilizing activity; the total concentration of nitrogen atoms forming a primary amine and nitrogen atoms forming a secondary amine is 0.29 at% or more; and the content of ethylene oxide unit is more than 0.0020 mol/g and not more than 0.0080 mol/g. |