Zm. Dzhabiyeva et al., DIMERIZATION OF ETHYLENE IN THE PRESENCE OF HOMOGENEOUS CATALYSTS CONTAINING ALKYL-SUBSTITUTED NICKELOCENE, Petroleum chemistry, 33(5), 1993, pp. 407-414
Citations number
6
Categorie Soggetti
Energy & Fuels","Engineering, Chemical","Engineering, Petroleum
A study has been made of the effect of the temperature and the substit
uent in the cyclopentadienyl ligand of the compounds (C5H4R)2Ni, where
R = H, C2H5, n-C3H7, iso-C3H7 and tert-C4H9, and (C5H4R)N-C3H5, where
R = H or iso-C3H7, on the kinetics and selectivity of ethylene dimeri
zation reactions. It has been established that greatest activity is ex
hibited by (C5H4-iso-C3H7)2Ni. The influence of the Al/Ni molar ratio
on the kinetics and selectivity of dimerization in the presence of the
catalytic system (C5H4-iso-C3H7)2Ni-C2H5AlCl2 has been studied. The n
ature of the active centres formed when mono- and bicomponent catalyst
s containing nickelocene are used is discussed.