PREPARATION PROCESS OF PET HOLLOW ARTICLES

摘要

Invention composes a) polyester resin which uses for building the inlet part of bottle b) polyester resin which uses for building the body and bottom part of bottle. Polyester resin(a) consists of terephthalic acid which contains above 97 mol % based on the total acidic component and ethyleneglycol contains above 97 mol. % based on the total glycol component and 200-3000 ppm antimony trioxide. Polyester resin(b) consists of polyester resin(a) and 50-150 ppm germanium trioxide.