Polyester: A name for polyethylene terephthalate developed by E.I.Dupont de Nemours &Co.A film base material exhibiting superior strength and tear characteristics.

• 聚酯：聚对苯二甲酸二乙酯的简称，最早由杜邦公司发展，用作胶片片基材料，有很高的强度和抗撕裂性能。