PROBLEM TO BE SOLVED: To provide a multilayer body for medical container which can attain satisfactory adhesion of an innermost layer composed of a cyclic polyolefin to other layers without using an adhesive and which is excellent in heat resistance and is excellent also in blocking resistance when it is a film, and a medical container formed of the multilayer body for medical container, which hardly causes deterioration of characteristics such as transparency or peel strength even when it is sterilized with high-pressure steam or the like.SOLUTION: The multilayer body 10 for medical container includes at least the innermost layer 11 composed of annular polyolefin an intermediate layer 12 formed so as to be adjacent to the innermost layer 11, the intermediate layer being produced by use of a single-site catalyst and mainly composed of linear low-density polyethylene having density of 0.900-0.917 g/cm3 and an outermost layer 13 containing high-density polyethylene.COPYRIGHT: (C)2012,JPO&INPIT【課題】接着剤を使用することなく、環状ポリオレフィンからなる最内層が他の層と良好に接着していて、耐熱性にも優れ、フィルムである場合には耐ブロッキング性も良好な医療容器用多層体と、この医療容器用多層体から形成され、高圧蒸気などで滅菌されても透明性や剥離強度などの特性劣化が少ない医療容器を提供する。【解決手段】環状ポリオレフィンからなる最内層11と、該最内層11に隣接するように形成され、シングルサイト系触媒を使用して製造された密度が0.900~0.917g/cm3である直鎖状低密度ポリエチレンを主成分とする中間層12と、高密度ポリエチレンを含有する最外層13とを少なくとも有する医療容器用多層体10。【選択図】図1
