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Novel aliphatic lipid-based diesters...

Raghunanan, Latchmi Cindy.

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Novel aliphatic lipid-based diesters for use in lubricant formulations: Structure property investigations.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Novel aliphatic lipid-based diesters for use in lubricant formulations: Structure property investigations./
Author:	Raghunanan, Latchmi Cindy.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
Description:	283 p.
Notes:	Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
Contained By:	Dissertation Abstracts International77-09B(E).
Subject:	Materials science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10100851
ISBN:	9781339647210

Novel aliphatic lipid-based diesters for use in lubricant formulations: Structure property investigations.
Raghunanan, Latchmi Cindy.

Novel aliphatic lipid-based diesters for use in lubricant formulations: Structure property investigations. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 283 p.

Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.

Thesis (Ph.D.)--Trent University (Canada), 2016.

Structure-property relationships are increasingly valued for the identification of specifically engineered materials with properties optimized for targeted application(s). In this work, linear and branched diesters for use in lubricant formulations are prepared from lipid-based oleochemicals and their structure-property relationships reported. It is shown that the branched diesters possess exceptional physical property profiles, including suppression of crystallization, and are superior alternatives for use in lubricant formulations. For the linear aliphatic diesters, both high and low temperature properties were predictable functions of total chain length, and both were differently influenced by the fatty acid versus diol chain length. Symmetry did not influence either, although thermal stability decreased and thermal transition temperatures increased with increasing saturation. All of the linear diesters demonstrated Newtonian flow behaviour. Viscosity was also predictable as a function of total chain length; any microstructural features due to structural effects were superseded by mass effects.

ISBN: 9781339647210Subjects--Topical Terms:

543314
Materials science.

Novel aliphatic lipid-based diesters for use in lubricant formulations: Structure property investigations.
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520 $a Structure-property relationships are increasingly valued for the identification of specifically engineered materials with properties optimized for targeted application(s). In this work, linear and branched diesters for use in lubricant formulations are prepared from lipid-based oleochemicals and their structure-property relationships reported. It is shown that the branched diesters possess exceptional physical property profiles, including suppression of crystallization, and are superior alternatives for use in lubricant formulations. For the linear aliphatic diesters, both high and low temperature properties were predictable functions of total chain length, and both were differently influenced by the fatty acid versus diol chain length. Symmetry did not influence either, although thermal stability decreased and thermal transition temperatures increased with increasing saturation. All of the linear diesters demonstrated Newtonian flow behaviour. Viscosity was also predictable as a function of total chain length; any microstructural features due to structural effects were superseded by mass effects.
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