1968
DOI: 10.1002/pol.1968.150060420
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Study of Ziegler‐Natta catalysts. Part I. Valence state and polymerization activity

Abstract: Polymerization at temperatures lower than the temperature of catalyst formation induces no changes in the solid phase of the catalyst formed by Al(C2H5)3 + TiCl4. In polymerizations with catalysts of this class, maximum activity is observed when the titanium component of the catalyst is trivalent. Any different behavior indicates the presence of aluminum alkyl chlorides in the liquid phase of the catalyst.

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Cited by 11 publications
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“…15), un btat de valence optimal du titane. L'existence de ce maximum prouve probablement que plusieurs facteurs interviennent pour determiner la valeur de l'activit6 catalytique.…”
Section: Signaux De R P Eunclassified
“…15), un btat de valence optimal du titane. L'existence de ce maximum prouve probablement que plusieurs facteurs interviennent pour determiner la valeur de l'activit6 catalytique.…”
Section: Signaux De R P Eunclassified