连续式PTT工艺

Continuous PTT Process

简要介绍了聚对苯二甲酸丙二酯(PTT)的应用、市场和工艺发展。重点分析了间歇式和连续式聚合物工艺的不同及对产品质量的影响。详细介绍了吉玛公司PTT民用长丝的纺丝工艺——冷态工艺加上改性剂。

The application, market and process development of PTT were introduced briefly. The difference between batch process and continuous process of PTT polycondensation and the influence of two process on the product quality were discussed. It is introduced that Zimmer AG developed a modified PTT POY spinning and cold modifier process using small amounts of a special polymer additive.