流延茂金属线性低密度聚乙烯加工性能研究  

Study on processing properties of casting mLLDPE

作　　者：关莉[1,2] 缪江 杨帆[1,2] Guan Li;Miao Jiang;Yang Fan(Research Institute of Dushanzi Petrochemical Co., CNPC, Karamay, Xinjiang, 833699,China;Xinjiang Laboratory of Rubber-Plastics Materials, Karamay, Xinjiang, 833699)

机构地区：[1]中国石油天然气股份有限公司独山子石化分公司研究院,新疆克拉玛依833699 [2]新疆橡塑材料实验室,新疆克拉玛依833699

出　　处：《现代塑料加工应用》2019年第5期28-31,共4页Modern Plastics Processing and Applications

摘　　要：利用ME30/9100V3流延膜机加工茂金属聚乙烯HPR3518CB,研究了加工温度、冷却温度、主机转速对茂金属线性低密度聚乙烯(mLLDPE)制品力学性能、光学性能的影响规律,结合实际加工表现确定了HPR3518CB的流延膜合适的加工窗口:机筒温度230~240℃,冷辊温度为20~25℃,挤出速率为20~30r/min。The metallocene polyethylene HPR3518CB was processed by ME30/9100V3 cast film machine.It was studied that the effects of processing temperature, cooling temperature and host speed on the mechanical and optical properties of metallocene linear low density polyethylene (mLLDPE) products.The suitable cast film of HPR3518CB was determined according to the actual processing performance.We identified the suitable processing window of HPR3518CB.The barrel temperature is 230~ 240 ℃, and the chill roll temperature is 20~ 25 ℃, and the extrusion rate is 20~30 r/min.

关 键 词：茂金属聚乙烯 流延膜 分子链段 冷却速率 

分 类 号：TQ325.12[化学工程—合成树脂塑料工业]