Lubricants comprising 2-hydroxyalkylamide friction modifying compositions
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United States of America Patent
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Feb 7, 2017
Grant Date -
Dec 31, 2015
app pub date -
Mar 12, 2013
filing date -
May 23, 2012
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Abstract
Lubricant compositions comprising an improved ashless organic friction modifier additive, capable of reducing both friction and wear, is provided. It has been found that mixtures of fatty-alkanolamides containing secondary hydroxyls on the amino alkyl substituent, such as amide mixtures prepared from bis(2-hydroxyporopyl)amine and mixtures of at least two different C8-24 fatty acids, provide better oil solubility and friction reduction than alkanolamides with primary hydroxyl functionality, such as amide mixtures prepared from di-ethanol)amine.
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