用熔融指数仪测定聚乙烯熔体的流变参数和第一法向应力差的研究

摘要

提出了应用熔融指数仪测定聚乙烯(PE)熔体的流变参数和第一法向应力差的新方法，扩大了熔融指数仪的使用功能，并且提供了比较准确的数据处理方法。%The new method for measuring rheological parameters and the first normal stress difference of polyethylene fusion by the fusion index instrument was provided. This method expanded the applied function of the fusion index instrument, and given precise date processing.