THERMOPLASTIC POLYESTER RESIN FOAM SHEET, THERMOPLASTIC POLYESTER RESIN FOAM CONTAINER, METHOD FOR PRODUCING THERMOPLASTIC POLYESTER RESIN FOAM SHEET, AND METHOD FOR PRODUCING THERMOPLASTIC POLYESTER RESIN FOAM CONTAINER

摘要

A thermoplastic polyester resin foam sheet which has a foam layer containing a thermoplastic polyester resin, and which is configured such that: the thermoplastic polyester resin has a number average molecular weight Mn of 9,000-26,000 and a Z-average molecular weight Mz of 240,000-710,000; and the acetaldehyde content in the foam layer is 25 ppm by mass or less.