RT Journal Article T1 Influence of Base Oil Polarity on the Transient Shear Flow of Biodegradable Lubricating Greases A1 Fiedler, Martin A1 Sánchez Martínez, Rubén A1 Valencia Barragán, Concepción A1 Leopold, Claudia S. A1 Kuhn, Erik A1 Franco Gómez, José María AB The scope of this study is to elucidate the physical mechanisms influencing thetransient flow behavior of lubricating greases based on biogenic oleochemicals from apolarity point of view. This includes the mutually interacting influence of base oil polarityand thickening agents on the rheologically-measured mechanical structural degradation intransient shear flow. Due to the high temperature dependence of Keesom forces in thebackground of polar-active bond mechanisms, the analysis of the transient flow response asa function of temperature allows to attribute the observed influences to differences in baseoil polarity. In general, clay-thickened greases show a greater tendency to be rheologicallyinfluenced by base oil polarities than soap-thickened lubricating greases. PB MDPI SN 2075-444 YR 2015 FD 2015 LK http://hdl.handle.net/10272/11128 UL http://hdl.handle.net/10272/11128 LA eng NO Fiedler, M., Sánchez Martínez, R., Valencia Barragán, C., Leopold, C.S., Kuhn, E., Franco Gómez, J.M.: "Influence of Base Oil Polarity on the Transient Shear Flow of Biodegradable Lubricating Greases". Lubricants. Vol. 3, págs. 611-627 (2015). DOI 10.3390/lubricants3030611 DS Repositorio Institucional de la Universidad de Huelva RD 1 jun 2026