A new type of polymer-supported metallocene catalyst for ethylene polymerization
Data(s) |
2001
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Resumo |
A new polymer-supported metallocene catalyst has been prepared, The polymer-supported metallocene displayed considerably high activity in ethylene polymerization, the highest being 3.62x10(7) gPE/molZr.h, the molecular weight of the polyethylene produced was Mn = 1.29x10(5). about 3-4 times those of corresponding homogeneous zirconocenes. The polymer-supported metallocene keeps the characteristics of homogeneous metallocene catalysts, and offers some features, such as adaptable to gas phase and slurry processes: easy to prepare in low cost: relatively high activity and lower MAO/Zr ratio; lower inorganic residues in the polyolefins as compared to cases of SiO2, Al2O3 or MgCl2; unitary active structure, no complex surface as with SiO2; good control of morphology of the resulting polymer. |
Identificador | |
Idioma(s) |
英语 |
Fonte |
Yu GQ;Zhang DZ;Shun F;Qiao LJ;Tang T;Huang BT.A new type of polymer-supported metallocene catalyst for ethylene polymerization,CHINESE CHEMICAL LETTERS,2001,12(3):257-260 |
Palavras-Chave | #COMMON TRIALKYLALUMINUMS #ZIRCONOCENE CATALYSTS #PROPENE #AL2O3 |
Tipo |
期刊论文 |