摘要
说明了茂金属催化剂线性低密度聚乙烯加工性能以及改进这些性能的方法，重点描述了挤出机、吹膜膜头和吹膜风环等加工设备的改进。
The article illustrates the process properties of mLLDPE and the methods to improve them; describes the improvement of the process equipment, such as extruder, die, air ring etc. with em- phases.
