When characterized with 13 C-NMR, it was found that norbornene-ethylene copolymers had a more complicated microstructure when dimethylsilyl bis(indenyl) zirconium dichloride was used as the catalyst compared to ethylene bis(indenyl) zirconium dichloride. One could see more block sequences but less a
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Influence of batch reaction conditions on norbornene/ethylene copolymers made using C2v- and Cs-symmetric metallocene/MAO catalysts
✍ Scribed by Harri Lasarov; Kari Mönkkönen; Tuula T. Pakkanen
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 321 KB
- Volume
- 199
- Category
- Article
- ISSN
- 1022-1352
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When characterized with DMA it was found that Phenylnorbornene-ethylene copolymers with equivalent comonomer concentrations had very different storage moduli in the glassy state as well as glass transition temperatures. NMR analysis of the copolymers revealed that they had different ratios of Exo-an