In order to gain high purity PEK, the new filter unit for PEK melt extrusion was successfully developed and stably experimented to provide the basis for the establishment and operation of PEK filter plant.%为了得到高纯度的聚醚酮产物,建立了一套新型聚醚酮挤出过滤装置对熔体进行过滤,研究了过滤的可行性,通过试验成功实现了聚醚酮产物的过滤,整个试验过程装置运行稳定,为聚醚酮过滤生产装置的研制和操作提供依据.
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