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8.
Production of Two Semisynthetic 15W40CH4 Motor Oils Based on Mixed
Esters
Hamid Shakoori Langeroodi1 and Abolfazl Semnani2
[1]. Sepahan Petro Kimia Company, Jey Industrial City,
Isfahan, Iran
2 .Faculty of Sciences, University of Shahrekord, P .O.
Box 115, Shahrekord, Iran
Abstract:
By esterification of corresponding acids and
alcohols, polyolester (P12) and dioctyladipate (DOA), were
syntheized. The synthesis was confirmed through the comparison
of physical properties of obtained adducts, with those of
reported values. Following this step, three blends of P12 and
DOA were prepared, and their important physical properties were
evaluated. Due to desirable physical properties, of a P12: DOA
mixture, with 32:68 weight ratio, it was assigned as the best
one and named as Synester F4. This new group (V) esteric base
oil was employed successfully for production of two motor oils
with standard 15W40CH4.
KEY WORDS: Synthetic base oils, polyolester, dioctyladipate,
esteric base oil, viscosity index, fash point, pour point,
15W40CH4.
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