| abstract |
PROBLEM TO BE SOLVED: To provide a packaging container excellent in gas barrier property and oxygen absorption property from the beginning of filling into a container. A packaging container having an oxygen-absorbing layer comprising a base resin component (component A) and an oxygen-absorbing functional component (component B), wherein the oxygen-absorbing layer forms a continuous phase of the sea portion. An island portion composed of a resin component (component A) and an oxygen-absorbing functional component (component B) that forms a discontinuous phase of the island portion, and comprising the oxygen-absorbing functional component (component B) in the oxygen-absorbing layer. A packaging container, wherein the ratio (N / M) of the total surface area (Ncm 2 ) to the inner volume (Mcm 3 ) of the packaging container is 20 (cm −1 ) or more. [Selection figure] None |