| 摘要 |
A polyester polymer comprising alkylene arylate units, said polymer havin g an It. V. of at least 0.72 dl/g, a vinyl ends concentration of at least 0. 8 microequivalents per gram, an AA generation rate of less than 20 ppm are p repared by addition of a catalyst deactivator either late in the polycondens ation or upon remelting of a solid polyester polymer. |
