PROBLEM TO BE SOLVED: To provide a polyolefin resin laminated film which is excellent in both cold resistance and heat resistance, has good efficiency of productivity, and is excellent in practicability when used for a medical tool, and to provide a medical supply and a medical package using the laminated film.SOLUTION: A polyolefin resin laminated film has a surface layer, a back layer and an intermediate layer arranged disposed between the surface layer and the back layer, where the intermediate layer contains (a) a polyethylene resin which is a copolymer of ethylene and α-olefin and has an MFR of 0 g/min or more and 5 g/min or less, and (b) a polypropylene resin having a melting peak temperature of 125°C or higher and 170°C or lower and an MFR of 5 g/min or more.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】 耐寒性と耐熱性の双方に優れ、生産性の効率がよく、かつ医療用具に用いる際に実用性に優れたポリオレフィン系樹脂積層フィルム及び該積層フィルムを用いた医療用具及び医療用包装体を提供すること。 【解決手段】 表層、裏層、及び表層と裏層との間に配置された中間層を有し、中間層が、(a)エチレンとα-オレフィンとの共重合体で、MFRが0g/minより大きく5g/min以下であるポリエチレン系樹脂と、(b)融解ピーク温度が125℃以上170℃以下で、MFRが5g/min以上であるポリプロピレン系樹脂と、を含むことを特徴とするポリオレフィン系樹脂積層フィルム。【選択図】なし
