Abstract
A method based on gas chromatography has been developed as a means of determining the MWD ( M n, M w and M w/ M n ) of ethylene oligomers and the fractional composition of the disproportionation products of higher olefins. It is shown that oligomers obtainable by ethylene oligomerization on the system TiCl 4C 2H 5AlCl 2-modifier are C 4C 36 α-olefins with an even number of carbon atoms. These oligomers have a discrete-continuous most probable MWD (Schultz-Flory distribution). It has been established that the disproportionation of oct-1-ene on system WCl 6Sn(n-C 4H 9) 4 results in the formation of C 3C 13 olefins with even and uneven numbers of carbon atoms, along with tetradec-7-ene and ethylene. It is suggested that C 3C 13 olefin formation takes place as a result of the disproportionation of isomerized octenes.
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