Research Article

Friction Reducing Properties and Stability of Epoxidized Oleochemicals

  1. Kenneth M. Doll,
  2. Brajendra K. Sharma1,2,
  3. Sevim Z. Erhan1

Article first published online: 5 AUG 2008

DOI: 10.1002/clen.200800063

Issue

CLEAN – Soil, Air, Water

CLEAN – Soil, Air, Water

Special Issue: Feedstocks for the Future: Renewables in Green Chemistry

Volume 36, Issue 8, pages 700–705, August 2008

Additional Information

How to Cite

Doll, K. M., Sharma, B. K. and Erhan, S. Z. (2008), Friction Reducing Properties and Stability of Epoxidized Oleochemicals. Clean Soil Air Water, 36: 700–705. doi: 10.1002/clen.200800063

Author Information

  1. 1

    Food and Industrial Oil Unit, National Center for Agricultural Utilization Research, United States Department of Agriculture, Peoria, IL, USA.

  2. 2

    Department of Chemical Engineering, Pennsylvania State University, PA, USA.

Publication History

  1. Issue published online: 5 AUG 2008
  2. Article first published online: 5 AUG 2008
  3. Manuscript Revised: 10 JUN 2008
  4. Manuscript Received: 7 MAR 2008

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Keywords:

  • Bio-based lubricant;
  • Epoxidized methyl oleate;
  • Epoxidized soybean oil;
  • Lubricant additive;
  • Oxidative stability

Abstract

The properties of epoxidized oleochemical methyl esters were studied. Epoxidized soybean oil, epoxidized methyl oleate, epoxidized methyl linoleate, and epoxidized methyl linolenate were compared with each other and with similar series of unmodified olefins. Several interesting trends were uncovered including: epoxidation of olefinic materials improves their oxidative stability, epoxidation of oleochemicals increases their adsorption to metal surfaces, and epoxidation has a deleterious effect on the pour point and viscosity index of the oleochemicals. In addition, a simple qualitative method where lubrication performance can be compared by examination of wear scars generated by ball-on-disk friction measurement under a simple optical microscope is reported.

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