Copolymerization of ethylene with allylbenzene using rac-ethylenebis(indenyl)zirconium dichloride/methylaluminoxane as a catalyst

Ethylene was copolymerized with allylbenzene using rac-ethylenebis(indenyl) zirconium dichloride (Et(Ind)(2)ZrCl2)/methylaluminoxane (MAO) as a catalyst. Analysis of the copolymers obtained revealed that chain transfer to aluminium was a preferred chain transfer reaction during the copolymerization. It seems that chain termination through aluminium transfer is induced by the allylbenzene unit incorporated in the propagating chain end. Hydroxy-terminated ethylene copolymers were obtained when the copolymer solution was exposed to air before precipitation of the polymer in acidic methanol.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
1999-08
Language
ENG
Keywords

OLEFIN POLYMERIZATION; CHAIN-TRANSFER; TERMINATION; ELIMINATION; PROPAGATION; MECHANISMS; INSERTION; COMONOMER; 1-OCTENE

Citation

MACROMOLECULAR RAPID COMMUNICATIONS, v.20, no.8, pp.419 - 422

ISSN
1022-1336
URI
http://hdl.handle.net/10203/73180
Appears in Collection
CH-Journal Papers(저널논문)
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