| 摘要 |
PROBLEM TO BE SOLVED: To obtain a polyester resin, excellent in transparency and heat- resistant dimensional stability, and useful as a container or wrapping material for foods, beverages or the like. SOLUTION: This polyester resin is produced in the presence of an antimony compound as the catalyst, and has ethylene terephthalate as the major repeating unit, having a haze of 20% or less when formed at 280 deg.C into a 5 mm thick shape, and 10% or less when formed at 290 deg.C into a 5 mm thick shape. |
