| 摘要 |
<p>The application is directed to a method for making copolyesters of terephthalic acid and a diol component including ethylene glycol and includes the steps of adding teraphthalic acid and diol to a first esterification reactor and then late addition of supplemental ethylene glycol subsequent to the first esterification reactor but prior to a point where the ethylene glycol partial pressure is reduced below about 300 torr.</p> |
