PROBLEM TO BE SOLVED: To provide a medical heat-resistant container preventing deformation even if executing a high-temperature heat sterilization, having superior flexibility and transparency and containing blood, medical agents and the like.SOLUTION: This medical container consists of resin composition composed of the following components [A] and [B] and having residual crystallinity degree under 117°C of 4.0-5.5 wt.%. [A] 60-85 wt.% of ethylene-&alpha-olefin copolymer satisfying the following requirements (a)-(f), (a) the density is 910-925 kg/m3, (b) MFR (Melt Flow Rate) is 0.1-5 g/10 min, (c) Mw/Mn (weight-average molecular weight/number average molecular weight) is 1.5-3.0, (d) a melting point is one, (e) the residue on ignition test is 0.1 wt.% or less, and (f) the extracted volume of n-heptane under 50°C is 2.0 wt.% or less. [B] High-density polyethylene satisfying the following requirements (a)-(c), (a) the density is 940-965 kg/m3, (b) MFR is 0.01-10 g/10 min, and (c) the residue on ignition test is 0.1 wt.% or less.COPYRIGHT: (C)2009,JPO&INPIT【課題】 高温加熱滅菌処理を行っても変形が起こらず、しかも柔軟性、透明性に優れた、血液、薬剤等を入れる医薬用耐熱容器を提供する。【解決手段】 下記成分[A]および[B]からなり、117℃での残存結晶化度が4.0~5.5重量%である樹脂組成物からなる医薬用容器を用いる。[A]:下記(a)~(f)の要件を満たすエチレン・α-オレフィン共重合体60~85重量%、(a)密度が910~925kg/m3、(b)MFRが0.1~5g/10min、(c)Mw/Mnが1.5~3.0、(d)融点が1つ、(e)強熱残分試験法による残分が0.1重量%以下、(f)50℃におけるn-ヘプタン抽出量が2.0wt%以下[B]:下記(a)~(c)の要件を満たす高密度ポリエチレン40~15重量%、(a)密度が940~965kg/m3、(b)MFRが0.01~10g/10min、(c)強熱残分試験法による残分が0.1重量%以下【選択図】 なし
