PROBLEM TO BE SOLVED: To provide bacterium adhesion-suppressed resin capable of contributing to suppression of growth and distribution of bacteria without utilizing strong bactericidal actions and sterilization actions.SOLUTION: The bacterium adhesion-suppressed resin related to the present invention contains at least one of a first constitutional unit represented by formula (1) and a second constitutional unit represented by formula (2). In the formula (1), R1 is H or a methyl group, R3 is an alkylene group having 1 to 3 carbon atoms, R4 and R5 are each independently H or an alkyl group having 1 to 4 carbon atoms, R7 is a linear or branched alkylene group having 1 to 8 carbon atoms, R8 is H or an alkyl group having 1 to 4 carbon atoms and A is O or NH.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】強い殺菌作用及び消毒作用によらずに、細菌の増殖及び拡散の抑制に寄与することができる細菌付着抑制性樹脂を提供する。【解決手段】本発明に係る細菌付着抑制性樹脂は、下記式(1)で表される第一構成単位と、下記式(2)で表される第二構成単位とのうち、少なくとも一方を含む。式(1)中、R1はH又はメチル基であり、R3は炭素数1~3のアルキレン基であり、R4及びR5の各々は独立にH又は炭素数1~4のアルキル基であり、R7は炭素数1~8の直鎖状または分岐鎖状のアルキレン基であり、R8はH又は炭素数1~4のアルキル基であり、AはO又はNHである。【選択図】なし