| 摘要 |
<p>PURPOSE:To provide the vessel for packing the food apt to be deteriorated by ultraviolet rays by using the hollow formed object in which ultraviolet-rays cutting off properties are given to the polyethyleneterephthalate excellent in transparency and strength without reducing the excellent properties of the resin. CONSTITUTION:Butylene terephthalate unit is added, as the form of copolymer or polymer, to the polyethylene-terephthalate of repeated unit containing ethylene-telephthalate mainly, whereby the packaging vessel suitable for packing alcohol drink, food oil or meat is obtained by using the hollow formed object excellent in food-hyginiene and ultraviolet-ray cutting-off properties.</p> |
