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

Qu, Jun; Luo, Huimin

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Title: Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives

Abstract

An ionic liquid composition having the following generic structural formula: ##STR00001## wherein R¹, R², R³, and R⁴ are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X^- is a phosphorus-containing 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 oil, wherein the ionic liquid is dissolved in the base oil. 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

Issue Date:: 2018-05-01

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1439419

Patent Number(s):: 9957460

Application Number:: 14/184,754

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

Patent Classifications (CPCs):: C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10M - LUBRICATING COMPOSITIONS

C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10N - INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS

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C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10M - LUBRICATING COMPOSITIONS
C10M137/04 - Phosphate esters
C10M137/10 - Thio derivatives
C10M137/12 - having a phosphorus-to-carbon bond
C10M171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
C10M2203/1025 - used as base material
C10M2223/04 - Phosphate esters
C10M2223/045 - Metal containing thio derivatives
C10M2223/06 - having phosphorus-to-carbon bonds

C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10N - INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
C10N2010/04 - Group 2
C10N2020/02 - Viscosity
C10N2030/06 - Oiliness
C10N2030/08 - Resistance to extreme temperature
C10N2030/10 - Inhibition of oxidation, e.g. anti-oxidants

Show less

DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 Feb 20

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Qu, Jun, and Luo, Huimin. Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives.  United States: N. p., 2018. 
        Web.

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                    Qu, Jun, & Luo, Huimin. Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives.  United States.

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                    Qu, Jun, and Luo, Huimin. Tue .  
        "Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives".  United States.  https://www.osti.gov/servlets/purl/1439419.

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@article{osti_1439419,

  title        = {Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives},

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

  abstractNote = {An ionic liquid composition having the following generic structural formula: ##STR00001## wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X- is a phosphorus-containing 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 oil, wherein the ionic liquid is dissolved in the base oil. 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         = {2018},

  month        = {5}

}

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Similar Records

Title: Ionic liquids containing symmetric quaternary phosphonium cations and phosphorus-containing anions, and their use as lubricant additives

Abstract

Citation Formats

Flame-Retardant Agents for Thermoplastic Products patent, April 1972

Hydraulic Fluids Containing Certain Quaternary Phosphonium Salts of Phosphorus Acids patent, December 1972

Antistatic composition containing an aliphatic polyester or polyether ester and a phosphonium salt patent, July 1977

Hydraulic fluids patent, June 1998

Lubricating grease composition patent, September 2012

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

Lubricating grease composition based on ionic liquids patent, June 2013

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

Crosslinkable Materials Based on Organosilicon Compounds patent-application, March 2009

Lubricant For Oil Retaining Bearing patent-application, March 2009

Synthetic Lubricating Oil patent-application, October 2009

Defoaming of Ionic Liquids patent-application, April 2010

Lubricating Oil Compositions and Uses patent-application, April 2010

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

Titanium Aluminide Intermetallic Alloys with Improved Wear Resistance patent-application, October 2010

Curing Accelerator for Deep-Ultraviolet-Transmitting Epoxy Resin, Deep-Ultraviolet-Transmitting Epoxy Resin Composition, and Deep-Ultraviolet-Transmitting Epoxy Resin Cured Product patent-application, October 2010

Lubricating Compositions patent-application, July 2012

Synthetic Lubricant patent-application, February 2013

Phosphonium-Based Ionic Liquids and Their Use in the Capture of Polluting Gases patent-application, March 2013

Corrosion Prevention of Magnesium Surfaces Via Surface Conversion Treatments Using Ionic Liquids patent-application, April 2015

Comparison of an oil-miscible ionic liquid and ZDDP as a lubricant anti-wear additive journal, March 2014

Antiwear Performance and Mechanism of an Oil-Miscible Ionic Liquid as a Lubricant Additive journal, February 2012

Oil-miscible and non-corrosive phosphonium-based ionic liquids as candidate lubricant additives journal, June 2012

Flame-Retardant Agents for Thermoplastic Products
patent, April 1972

Hydraulic Fluids Containing Certain Quaternary Phosphonium Salts of Phosphorus Acids
patent, December 1972

Antistatic composition containing an aliphatic polyester or polyether ester and a phosphonium salt
patent, July 1977

Hydraulic fluids
patent, June 1998

Lubricating grease composition
patent, September 2012

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

Lubricating grease composition based on ionic liquids
patent, June 2013

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

Crosslinkable Materials Based on Organosilicon Compounds
patent-application, March 2009

Lubricant For Oil Retaining Bearing
patent-application, March 2009

Synthetic Lubricating Oil
patent-application, October 2009

Defoaming of Ionic Liquids
patent-application, April 2010

Lubricating Oil Compositions and Uses
patent-application, April 2010

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

Titanium Aluminide Intermetallic Alloys with Improved Wear Resistance
patent-application, October 2010

Curing Accelerator for Deep-Ultraviolet-Transmitting Epoxy Resin, Deep-Ultraviolet-Transmitting Epoxy Resin Composition, and Deep-Ultraviolet-Transmitting Epoxy Resin Cured Product
patent-application, October 2010

Lubricating Compositions
patent-application, July 2012

Synthetic Lubricant
patent-application, February 2013

Phosphonium-Based Ionic Liquids and Their Use in the Capture of Polluting Gases
patent-application, March 2013

Corrosion Prevention of Magnesium Surfaces Via Surface Conversion Treatments Using Ionic Liquids
patent-application, April 2015

Comparison of an oil-miscible ionic liquid and ZDDP as a lubricant anti-wear additive
journal, March 2014

Antiwear Performance and Mechanism of an Oil-Miscible Ionic Liquid as a Lubricant Additive
journal, February 2012

Oil-miscible and non-corrosive phosphonium-based ionic liquids as candidate lubricant additives
journal, June 2012