Friction reducing properties and stability of epoxidized oleochemicals

Kenneth M. Doll, Brajendra K. Sharma, Sevim Z. Erhan

Research output: Contribution to journalArticlepeer-review

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 unmodi-fied olefins. Several interesting trends were uncovered including: epoxidation of ole-finic 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.

Original languageEnglish (US)
Pages (from-to)700-705
Number of pages6
JournalClean - Soil, Air, Water
Volume36
Issue number8
DOIs
StatePublished - Aug 2008

Keywords

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

ASJC Scopus subject areas

  • Environmental Chemistry
  • Water Science and Technology
  • Pollution

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