| 摘要 |
PURPOSE:To provide a subject structure made of a specific polyester composition, having excellent shape-developing property, heat-resistance, transparency, dimensional stability and mechanical strength and useful for container, film, etc. CONSTITUTION:The objective structure is made of a polyester composition containing (A) a thermoplastic polyester composed mainly of ethylene terephthalate unit and having an intrinsic viscosity of 0.4-1.5dl/g and (B) a thermoplastic polyester composed mainly of butylene terephthalate unit and having an intrinsic viscosity of 0.4-1.5dl/g at a weight ratio (A/B) of 99.9/0.1 to 90/10. |
