The invention relates to a method and device for the continuous polycondensation of polyester material in the solidphase, in particular in the form of partially crystalline granulate.
本发明涉及一种聚酯材料在固相中的连续缩聚反应的方法和设备，特别是在部分结晶的颗粒状态下。
2
Preferably the hot melt ink has a sharp transition between solid and liquid phase as the temperature is raised and hence crystalline or semi-crystalline carrier vehicles are preferable.