| abstract |
PROBLEM TO BE SOLVED: To be used in a packaging container that requires flavor retention, heat resistance, moldability, etc., and suitable for disposal without causing harmful substances when incinerated after disposal. To provide a polyester sheet having excellent resistance to heat and the like, and a heat resistant container comprising the same. A polyester sheet comprising at least one layer composed of a polyester resin composition containing 100 parts by weight of a polyester resin, 1 to 10 parts by weight of a polyolefin resin and 0.1 to 5 parts by weight of a polyamide resin as main components. The polyester sheet has a cyclic ester oligomer content of 0.70% by weight or less and an aldehyde content of 30 ppm or less. [Selection figure] None |