Abstract
Abstract In attempt to reduce the use of toxic AlCl3 and develop more environmentally benign procedure for the oligomerization of 1-decene, three ionic liquids with different structures were supported on halloysite nano clay. The obtained supported ionic liquids, denoted as Hal-[MIM]+ Cl−, Hal-[BuIM]+ Cl−, Hal-[BeIM]+ Cl−, were then utilized along with AlCl3 with mass ratio of 1:1 as oligomerization catalysts. The used AlCl3 content in these systems was half of the catalyst amount in the classic AlCl3-catalyzed α-olefin oligomerizations. The features of the resultant polyalphaolefins were characterized via viscometry, 1HNMR, 13CNMR, GC-Mass, and SimDis analyses and compared with those of polyalphaolefin derived from neat AlCl3. It was found that by using supported ionic liquids with almost half amount of AlCl3, PAOs with practically similar features to the one derived from AlCl3 can be obtained. Moreover, it was demonstrated that the nature of ionic liquid was also influential on the properties of the resulting PAO and in the case of Hal-[BuIM]+ Cl−, PAO with the lowest molecular weight, kinematic viscosity and polydispersity index and the highest viscosity index was obtained.
Published Version
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