Abstract
Oils were obtained by polymerization of alpha-olefins with a complex aluminum chloride catalyst, followed by neutralization of the polymerized product, distillation, and hydrogenation. Materials were tested to determine the kinematic viscosity at above- and below-freezing temperatures and dynamic viscosity at below-freezing temperatures. Poly-alpha-olefin oils were obtained at different levels of average molecular weight by varying the conditions of polymerization and distillation. The antiwear properties of petroleum, PAOO, and alkylbenzene oils having equal viscosities and an addition of zinc dialkyldithiophosphate were compared. The dialkylbenzene oil had strong associative-solvation properties with respect to the additive.
Published Version
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