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Synthesis and functionalization of poly(ethylene-co-dicyclopentadiene)

✍ Scribed by J. Suzuki; Y. Kino; T. Uozumi; T. Sano; T. Teranishi; J. Jin; K. Soga; T. Shiono

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
134 KB
Volume
72
Category
Article
ISSN
0021-8995

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✦ Synopsis

Copolymerizations of ethylene with endo-dicyclopentadiene (DCP) were performed by using Cp 2 ZrCl 2 (Cp Ο­ Cyclopentadienyl), Et(Ind) 2 ZrCl 2 (Ind Ο­ Indenyl), and Ph 2 C(Cp)(Flu)ZrCl 2 (Flu Ο­ Fluorenyl) combined with MAO as cocatalyst. Among these three metallocenes, Et(Ind) 2 ZrCl 2 showed the highest catalyst performance for the copolymerization. From 1 H-NMR analysis, it was found that DCP was copolymerized through enchainment of norbornene rings. The copolymer was then epoxidated by reacting with m-chloroperbenzoic acid. 13 C-NMR spectrum of the resulting copolymer indicated the quantitative conversion of olefinic to epoxy groups.

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