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Jojoba oils exhibited properties close to castor oil except for the oxidation stability which was better for jojoba oil. The obtained data revealed that the flow behavior depended to a large extent on the nature of the aforementioned oils. HADV-III ultra- system that was operated in either a steady rotation or in an oscillatory mode. The flow and the viscoelastic properties of these oils had been studied by the programmable Rheometer The physicochemical properties of the sulfurized jojoba and castor oils were found be better than the non-sulfurized oils. In this respect, the sulfurization of jojoba and castor oils was carried out at temperatures ranging from 110 to 170 oC. The aim of this study is to investigate the comparison of jojoba and castor oils as base fluids for producing bio- based greases. Accordingly, vegetable oils seem to be significant potential base fluids and as a substitute for mineral oils as greases formulations. El-Emary.Ībstract- The search for environmentally friendly materials that have the potential to replace mineral oil in various industrial applications is considered a priority research in the fields of lubricants, fuels and energy sectors. Jojoba and Castor Oils as Fluids for the prepara- tion of bio greases: A Comparative StudyĮl-Adly R.
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International Journal of Scientific & Engineering Research, Volume 5, Issue 6, June-2014 755 Jojoba and Castor Oils as Fluids for the prepara-tion of bio greases: A Comparative Study