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    • 88. 发明申请
    • Method and device for increasing the intrinsic viscosity of polyester material by means of solid phase polymerisation
    • 通过固相聚合增加聚酯材料的特性粘度的方法和装置
    • US20060093533A1
    • 2006-05-04
    • US10528635
    • 2003-09-25
    • Markus FellingerChristian Lovranich
    • Markus FellingerChristian Lovranich
    • B01J19/00B01J19/18C08F6/00
    • C08G63/785B29B2009/165C08G63/80
    • The invention relates to a process and a device for increasing the intrinsic viscosity of a polyester material by solid-state polymerization, wherein the polyester material is heat-treated in a heat treatment container (6), the polyester material being introduced into a preheating container (2) prior to being conveyed into the heat treatment container (6), in which preheating container it is heated to a heat treatment temperature of the heat treatment container (6) or to a temperature above that and is delivered to the heat treatment container (6) after having reached said temperature. The preheating container (2) is small in comparison with the heat treatment container (6) so that the relatively small amount of polyester material contained therein can quickly be heated to the intended temperature, thereby leading to a short residence time in the preheating container. After reaching the intended temperature, the entire content of the preheating container can be delivered all at once to the heat treatment container, whereupon the preheating container can be charged with fresh polyester material. Due to the short residence time, the preheating container is operable well in a discontinuous operation.
    • 本发明涉及通过固态聚合提高聚酯材料的特性粘度的方法和装置,其中聚酯材料在热处理容器(6)中进行热处理,将聚酯材料引入预热容器 (2)在被输送到热处理容器(6)中之前,其中将预热容器加热到热处理容器(6)的热处理温度或高于该热处理容器(6)的温度,并被输送到热处理容器 (6)达到所述温度后。 与热处理容器(6)相比,预热容器(2)小,能够将含有较少量的聚酯材料迅速加热到预定温度,从而在预热容器中停留时间短。 达到预期温度后,预热容器的全部内容物可一次性送至热处理容器,由此预热容器可装入新鲜的聚酯材料。 由于停留时间短,预热容器可在不连续的操作中良好地操作。