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Synthesis of a base-stock for electrical insulating fluid based on palm kernel oil

By A. A. Abdelmalik, A. P. Abbott, John C. Fothergill, Stephen J. Dodd and R. C. Harris

Abstract

NOTICE: this is the author’s version of a work that was accepted for publication in Industrial Crops and Products. Changes resulting from the publishing process, such as editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Industrial Crops and Products, Volume 33, Issue 2, March 2011, Pages 532–536, DOI: http://dx.doi.org/10.1016/j.indcrop.2010.11.019,This report presents a method for synthesizing base-stock for green industrial product from a vegetable oil with a high composition of unsaturated fatty acids. Epoxy methyl ester of palm kernel oil was synthesized from laboratory purified palm kernel oil using a two-step reaction and the products were used as a base-stock for green electrical insulation fluid. Epoxidized palm kernel oil was first prepared through epoxidation reaction involving purified palm kernel oil, acetic acid and hydrogen peroxide in the presence of amberlite as catalyst which lasted for 4 h. It was then followed by transesterification reaction involving the epoxidized product and methanol in the presence of sodium hydroxide as catalyst to synthesize the corresponding epoxy methyl ester. The thermal and electrical breakdown properties of the epoxy methyl ester demonstrated significantly improved properties for its use as raw material for bio-based industrial products such as electrical insulation fluids.Peer-reviewedPost-prin

Topics: Palm kernel oil, Epoxy methyl ester, Green industrial products, Electrical insulation fluid, ION-EXCHANGE-RESIN, EPOXIDIZED SOYBEAN OIL, IN-SITU EPOXIDATION, VEGETABLE-OILS, METHYL-ESTERS, HYDROGEN-PEROXIDE, Kinetics, Stability, Acid
Publisher: Elsevier
Year: 2010
DOI identifier: 10.1016/j.indcrop.2010.11.019
OAI identifier: oai:lra.le.ac.uk:2381/10004
Journal:

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