| abstract |
(57) Abstract: A retort container of the present invention is a container having a layer composed of a linear polyethylene obtained by copolymerizing ethylene and an α-olefin having 3 to 12 carbon atoms, The linear polyethylene has a density of 0.918 to 0.940 g / cm It is in the range of 3 and the molecular weight distribution measured by GPC (Mw / Mn) is in the range of 1.5 to 3.0, and the layer made of the linear polyethylene has a haze of 3 after retort sterilization. It is 0% or less, and the deformation start temperature is higher than the sterilization temperature. High-density polyethylene may be blended with the linear polyethylene. [Effect] The retort container has good hygiene and flexibility, does not lose its transparency even when sterilized at 115 ° C or higher, has excellent heat resistance, and is free from wrinkles and deformation. . This container is suitable as a medical container and a container for retort foods. |