| abstract |
A thermoplastic polyester elastomer resin foam molded body with a resin phase and a foam layer, a rebound elastic modulus of 60 to 90%, a density of 0.1 to 0.35 g / cm 3 , which is lightweight and excellent in rebound elastic modulus ; The resin phase contains a thermoplastic polyester elastomer (A) formed by bonding a hard segment and a soft segment, and the content of the soft segment is 55 to 90% by mass, wherein the hard segment is composed of components It is a polyester of an aromatic dicarboxylic acid and an aliphatic and / or alicyclic diol as a constituent component, and the soft segment is at least selected from aliphatic polyethers, aliphatic polyesters, and aliphatic polycarbonates 1 type; The foamed layer is composed of independent foamed gas cells with an average cell diameter of 10 to 400 μm and a maximum cell diameter of 10 to 500 μm. |