Gas-Phase Copolymerization of Ethylene with Propene and with 1-butene Using Supported Chromium- and Titanium-Containing Catalysts
Makromolekulare Chemie up to 1993, continued as Macromolecular Chemistry and Physics
Zakharov Vladimir A.
Yechevskaya Lyudmila G.
Bukatov Gennadii D.
Institute of Catalysis, Siberian Branch of the U.S.S.R. Academy of Sciences
The gas-phase copolymerization of ethylene with propene and 1-butene using supported Cr-containing catalysts of different composition and supported Ti-Mg catalysts was studied. Comonomer reactivity ratios for 8 different catalyst systems were determined. A lower regiospecificity of the chromium oxide catalyst as compared with the titanium-magnesium catalyst was observed, according to 13C NMR measurements.