A novel polyethylene production process by gas polymerization and slurry polymerization based on metallocene-Z/N catalyst system were reported. The polyethylene thus produced had two melting points with broad relative...A novel polyethylene production process by gas polymerization and slurry polymerization based on metallocene-Z/N catalyst system were reported. The polyethylene thus produced had two melting points with broad relative molecular mass distribution ( MWD ). The relative molecular mass, MWD , melt flow rate determined by the ratio of Ti/Zr and of H 2/C 2H 4. The tensile strength of polyethylene produced by metallocenc-Z/N catalyst was higher than that of LL103A.展开更多
基金supported by the National Natural Science Foundation of China (51672089)the Industry and Research Collaborative Innovation Major Projects of Guangzhou (201508020098)+1 种基金the State Key Laboratory of Advanced Technology for Material Synthesis and Processing (Wuhan University of Technology) (2015-KF-7)the Hunan Key Laboratory of Applied Environmental Photocatalysis (Changsha University) (CCSU-XT-04)~~
文摘A novel polyethylene production process by gas polymerization and slurry polymerization based on metallocene-Z/N catalyst system were reported. The polyethylene thus produced had two melting points with broad relative molecular mass distribution ( MWD ). The relative molecular mass, MWD , melt flow rate determined by the ratio of Ti/Zr and of H 2/C 2H 4. The tensile strength of polyethylene produced by metallocenc-Z/N catalyst was higher than that of LL103A.