| abstract |
The present invention relates to a medical packaging container comprising a polyester resin (A1), and in the polyester resin (A1), 1 to 30 mol% of the diol unit is selected from the formula (1). At least one of the diol units having a bridged alicyclic skeleton derived from the compound represented by the formula (2) and the formula (3), and 70 mol% or more of the dicarboxylic acid unit is a dicarboxylic acid having a naphthalene skeleton A unit and a method of producing a polyester for use in the medical packaging container. □ |