PROBLEM TO BE SOLVED: To provide a ceiling member or a wall member of a bathroom capable of maintaining an antibacterial and a mold resistance function for a log term.SOLUTION: A ceiling member or a wall member of a bathroom of the invention has a resin film including a first organic antimicrobial anti mold agent and a second organic antimicrobial anti mold agent, the first and second organic antimicrobial anti mold agents are melted into a moisture adhered to surfaces of the members and impart an antimicrobial anti mold function to the surfaces of the members, the first organic antimicrobial anti mold agent has a melting speed at 40°C after leaving the ceiling member or the wall member of the bathroom at 45°C for 240 hours the same as its melting speed at 40°C before leaving the ceiling member or the wall member of the bathroom under the same condition, and the second organic antimicrobial anti mold agent always has greater melting speed than that of the first organic antimicrobial anti mold agent at 10°C and 20°C.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】抗菌性および防カビ性を長期的に維持可能な浴室の天井部材または壁部材の提供。【解決手段】本発明による浴室の天井部材または壁部材は、第１の有機系抗菌防カビ剤と第２の有機系抗菌防カビ剤とを含んでなる樹脂フィルムを備え、前記第１および第２の有機系抗菌防カビ剤は、前記部材の表面に付着する水分に溶出して、前記部材の表面に抗菌防カビ性を付与し、前記第１の有機系抗菌防カビ剤は、前記浴室の天井部材または壁部材を４５℃、２４０時間の条件で放置した後の、４０℃におけるその溶出速度が、前記浴室の天井部材または壁部材を前記条件で放置する前の、４０℃におけるその溶出速度と同一であるものであり、前記第２の有機系抗菌防カビ剤が、１０℃および２０℃の温度において、前記第１の有機系抗菌防カビ剤よりも溶出速度が常に大きいものであることを特徴とする。【選択図】図２
