MAO‐Free Activation of Metallocenes and other Single‐Site Catalysts for Ethylene Polymerization using Spherical Supports based on MgCl 2 | Zendy

Severn John R. | Zendy; Chadwick John C. | Zendy

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MAO‐Free Activation of Metallocenes and other Single‐Site Catalysts for Ethylene Polymerization using Spherical Supports based on MgCl 2

Author(s) -

Severn John R.,

Chadwick John C.

Publication year - 2004

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200400093

Subject(s) - methylaluminoxane , olefin polymerization , polyethylene , metallocene , ethylene , catalysis , polymerization , polymer chemistry , olefin fiber , boron , chemistry , molar mass distribution , adduct , materials science , organic chemistry , polymer

Summary: Supports of type MgCl 2 /AlR n (OEt) 3− n , obtained by reaction of AlR 3 with adducts of MgCl 2 and ethanol, have been shown to be effective for the immobilization and activation of [Cp 2 TiCl 2 ] and other single‐site olefin polymerization catalysts without the use of methylaluminoxane or a borate activator. Polyethylene with a spherical particle morphology and narrow molecular weight distribution was obtained.

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