Radhakrishnan, K. ; Sivaram, S. (1999) Copolymerization of ethylene with 2,5-norbornadiene using a homogeneous metallocene/MAO catalyst system Macromolecular Chemistry and Physics, 200 (4). pp. 858-862. ISSN 1022-1352
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/(SICI)1...
Related URL: http://dx.doi.org/10.1002/(SICI)1521-3935(19990401)200:4<858::AID-MACP858>3.0.CO;2-7
Abstract
Copolymerization of ethylene with a symmetrical diene, namely, 2,5-norbornadiene was studied using a homogeneous metallocene/MAO catalyst system. Copolymerizations were found to occur exclusively through one of the two equally reactive endocyclic double bonds with Cp2ZrCl2, (buCp)2ZrCl2 and Et(Ind)2ZrCl2 catalysts. Both double bonds are involved in the polymerization when Me2SiCp2ZrCl2 is used as the catalyst. In the case of Et(Ind)2ZrCl2, the incorporation of the diene was found to increase with time. The extent of incorporation of the diene, molecular weight and copolymerization activity were found to depend on the nature of the catalyst.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| ID Code: | 48535 |
| Deposited On: | 14 Jul 2011 14:19 |
| Last Modified: | 14 Jul 2011 14:19 |
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