Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives

Qu, Jun; Luo, Huimin; He, Xin

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Title: Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives

Abstract

An ionic liquid composition having the following generic structural formula: wherein Z is N or P, and R¹, R², R³, and R⁴ are independently selected from hydrogen atom and hydrocarbon groups having one to four carbon atoms with optional interconnection to form a cyclic group that includes Z, and wherein R¹, R², R³, and R⁴ are all hydrocarbon groups when Z is P, and X− is a phosphorus-containing or carboxylate anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base lubricant, wherein the ionic liquid is dissolved in the base lubricant. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.

Inventors:: Qu, Jun; Luo, Huimin; He, Xin

Issue Date:: 2023-09-19

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 2222334

Patent Number(s):: 11760766

Application Number:: 17/078,668

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 10/23/2020

Country of Publication:: United States

Language:: English

Citation Formats


                    Qu, Jun, Luo, Huimin, and He, Xin. Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives.  United States: N. p., 2023. 
        Web.

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                    Qu, Jun, Luo, Huimin, & He, Xin. Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives.  United States.

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                    Qu, Jun, Luo, Huimin, and He, Xin. Tue .  
        "Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives".  United States.  https://www.osti.gov/servlets/purl/2222334.

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@article{osti_2222334,

  title        = {Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives},

  author       = {Qu, Jun and Luo, Huimin and He, Xin},

  abstractNote = {An ionic liquid composition having the following generic structural formula: wherein Z is N or P, and R1, R2, R3, and R4 are independently selected from hydrogen atom and hydrocarbon groups having one to four carbon atoms with optional interconnection to form a cyclic group that includes Z, and wherein R1, R2, R3, and R4 are all hydrocarbon groups when Z is P, and X− is a phosphorus-containing or carboxylate anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base lubricant, wherein the ionic liquid is dissolved in the base lubricant. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2023},

  month        = {9}

}

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patent, June 2013

Schmidt-Amelunxen, Martin; Sohn, Dieter; Grundei, Stefan
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Lubricant composition containing alkali metal borate and an oil-soluble amine salt of a phosphorus compound
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Use of Ionic Liquids for the Lubrication of Components in Wind Power Plants
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Use of Ionic Liquids to Improve the Properties of Lubricating Compositions
patent-application, July 2010

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Similar Records

Title: Ionic liquids containing quaternary ammonium and phosphonium cations, and their use as environmentally friendly lubricant additives

Abstract

Citation Formats

Lubricating grease composition based on ionic liquids patent, June 2013

Lubricant composition containing alkali metal borate and an oil-soluble amine salt of a phosphorus compound patent, September 1984

Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives patent, May 2018

Use of Ionic Liquids for the Lubrication of Components in Wind Power Plants patent-application, February 2009

Biodegradable polyalphaolefin fluids and formulations containing the fluids patent, June 2000

Method for reducing friction/wear of formulated lubricating oils by use of ionic liquids as anti-friction/anti-wear additives patent, September 2012

Corrosion prevention of magnesium surfaces via surface conversion treatments using ionic liquids patent, September 2016

Synthetic ester base stocks for low emission lubricants patent, October 1997

Polyalphaolefin and fischer-tropsch derived lubricant base oil lubricant blends patent, January 2009

Pairs of working substances for absorption heat pumps, absorption refrigeration machines and heat transformers patent, June 2015

Use of Ionic Liquids to Improve the Properties of Lubricating Compositions patent-application, July 2010

Manufacturing method for the production of polyalphaolefin based synthetic greases (LAW500) patent, July 1998

High viscosity synthetic ester lubricant base stock blends patent, November 2016

Development of ecofriendly/biodegradable lubricants: An overview journal, January 2012

Process for preparing a synthetic ester from a vegetable oil patent, March 1999

Natural and synthetic ester-containing lubricants having enhanced hydrolytic stability patent, January 2017

Phosphonium-based ionic liquids and their use in the capture of polluting gases patent, June 2017

Lubricating grease composition based on ionic liquids
patent, June 2013

Lubricant composition containing alkali metal borate and an oil-soluble amine salt of a phosphorus compound
patent, September 1984

Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives
patent, May 2018

Use of Ionic Liquids for the Lubrication of Components in Wind Power Plants
patent-application, February 2009

Biodegradable polyalphaolefin fluids and formulations containing the fluids
patent, June 2000

Method for reducing friction/wear of formulated lubricating oils by use of ionic liquids as anti-friction/anti-wear additives
patent, September 2012

Corrosion prevention of magnesium surfaces via surface conversion treatments using ionic liquids
patent, September 2016

Synthetic ester base stocks for low emission lubricants
patent, October 1997

Polyalphaolefin and fischer-tropsch derived lubricant base oil lubricant blends
patent, January 2009

Pairs of working substances for absorption heat pumps, absorption refrigeration machines and heat transformers
patent, June 2015

Use of Ionic Liquids to Improve the Properties of Lubricating Compositions
patent-application, July 2010

Manufacturing method for the production of polyalphaolefin based synthetic greases (LAW500)
patent, July 1998

High viscosity synthetic ester lubricant base stock blends
patent, November 2016

Development of ecofriendly/biodegradable lubricants: An overview
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Natural and synthetic ester-containing lubricants having enhanced hydrolytic stability
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patent, June 2017