n this communication, we report on the direct measurement of dormant chain concentration and of the relative reactivity of authentic primary and secondary Zr-polymeryls toward propene, ethene, and H2 under practical conditions for a new highly regio- and stereoselective postmetallocene polymerization catalyst with controlled kinetic behavior. The results, in particular, confirm the poor reactivity toward propene of secondary M-polymeryls and the possible accumulation of dormant chains in propene homopolymerization.
REACTIVITY OF SECONDARY METAL-ALKYLS IN CATALYTIC PROPENE POLYMERIZATION: HOW DORMANT ARE "DORMANT CHAINS"? / Busico, Vincenzo; Cipullo, Roberta; Romanelli, V.; Ronca, S.; Togrou, M.. - In: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. - ISSN 0002-7863. - STAMPA. - 127:(2005), pp. 1608-1609. [10.1021/ja042839a]
REACTIVITY OF SECONDARY METAL-ALKYLS IN CATALYTIC PROPENE POLYMERIZATION: HOW DORMANT ARE "DORMANT CHAINS"?
BUSICO, VINCENZO;CIPULLO, ROBERTA;
2005
Abstract
n this communication, we report on the direct measurement of dormant chain concentration and of the relative reactivity of authentic primary and secondary Zr-polymeryls toward propene, ethene, and H2 under practical conditions for a new highly regio- and stereoselective postmetallocene polymerization catalyst with controlled kinetic behavior. The results, in particular, confirm the poor reactivity toward propene of secondary M-polymeryls and the possible accumulation of dormant chains in propene homopolymerization.| File | Dimensione | Formato | |
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