| abstract |
PROBLEM TO BE SOLVED: To provide a thermoplastic polyester elastomer composition which is excellent in heat resistance, weather resistance, heat aging resistance, water resistance, low temperature characteristics, etc. and excellent in moldability, particularly extrusion moldability and blow moldability. A thermoplastic polyester elastomer (I) 100 comprising a hard segment composed of a polyester composed of an aromatic dicarboxylic acid and an aliphatic or alicyclic diol, and a soft segment composed mainly of an aliphatic polycarbonate. Reactive compounds (II) 0.1 to 30 containing 2 parts by mass and 2 or more glycidyl groups per molecule, having a weight average molecular weight of 4000 to 25000 and an epoxy value of 400 to 780 equivalents / 10 6 g A thermoplastic polyester elastomer composition characterized by comprising 0.5 parts by mass and 0.5-10 parts by mass of a polycarbodiimide compound (III). [Selection figure] None |