Bis(salicylaldiminate)copper(II) complexes, when activated with methylaluminoxane, catalyzed the homo- and copolymerizations of ethylene and methyl methacrylate (MMA). The activity in the MMA homopolymerization was influenced by the electronic and steric characteristics of the Cu(II) precursors as well as the cocatalyst concentration. The same systems revealed modest activity also in the homopolymerization of ethylene, giving a highly linear polyethylene, and in its copolymerization with MMA. These copolymers exhibited a very high content of polar groups (MMA units > 70 mol %) and were characterized by a high molecular weight and polydispersity. (c) 2006 Wiley Periodicals, Inc.

Bis(salicylaldiminate)copper(II)/methylaluminoxane catalysts for homo- and copolymerizations of ethylene and methyl methacrylate

RASPOLLI GALLETTI, ANNA MARIA;CARLINI, CARLO;MARTINELLI, MARCO;
2007

Abstract

Bis(salicylaldiminate)copper(II) complexes, when activated with methylaluminoxane, catalyzed the homo- and copolymerizations of ethylene and methyl methacrylate (MMA). The activity in the MMA homopolymerization was influenced by the electronic and steric characteristics of the Cu(II) precursors as well as the cocatalyst concentration. The same systems revealed modest activity also in the homopolymerization of ethylene, giving a highly linear polyethylene, and in its copolymerization with MMA. These copolymers exhibited a very high content of polar groups (MMA units > 70 mol %) and were characterized by a high molecular weight and polydispersity. (c) 2006 Wiley Periodicals, Inc.
RASPOLLI GALLETTI, ANNA MARIA; Carlini, Carlo; Giaiacopi, S; Martinelli, Marco; Sbrana, G.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/116440
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