Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy

Blending an optimum amount of friction modifiers into lubricant is one of the important measures to reduce fuel consumption induced by the frictional loss for automobiles. However, the agents containing metal or phosphorus compounds can cause catalyst poisoning and clogging in the filters of the exh...

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Autores principales:	Hiroaki Koshima, Hideki Kamano, Yoshio Hisaeda, Huijin Liu, Shen Ye
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2010
Materias:	fuel consumption friction surface qspr sfg Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/411def88a46c4e1ca4acad32a34df932
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spelling	oai:doaj.org-article:411def88a46c4e1ca4acad32a34df9322021-11-05T09:27:04ZAnalyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy1881-219810.2474/trol.5.165https://doaj.org/article/411def88a46c4e1ca4acad32a34df9322010-09-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/5/3/5_3_165/_pdf/-char/enhttps://doaj.org/toc/1881-2198Blending an optimum amount of friction modifiers into lubricant is one of the important measures to reduce fuel consumption induced by the frictional loss for automobiles. However, the agents containing metal or phosphorus compounds can cause catalyst poisoning and clogging in the filters of the exhaust gas refining system. Thus, development of metal-free and phosphorus-free agents with a long-term stability under real working condition is highly desirable. In the present work, the friction coefficients on the metal surface in lubricants containing different friction modifiers were investigated by the reciprocating friction test in detail. A statistical method based on the quantitative structure-property relationship (QSPR) analysis has been employed to correlate the chemical nature of additives with their effect on the friction reduction behaviors. An empirical equation relating the molecular structure and its friction reduction efficiency has been proposed as a standard for a good friction modifier. Furthermore, a surface-sensitive vibration spectroscopy, sum frequency generation (SFG) spectroscopy, has been used to analyze the molecular structures of the lubricants adsorbed on the metal surface. The SFG observation suggested that a certain relationship between the adsorption structure and friction reduction effect of these agents.Hiroaki KoshimaHideki KamanoYoshio HisaedaHuijin LiuShen YeJapanese Society of Tribologistsarticlefuel consumptionfrictionsurfaceqsprsfgPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 5, Iss 3, Pp 165-172 (2010)
institution	DOAJ
collection	DOAJ
language	EN
topic	fuel consumption friction surface qspr sfg Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	fuel consumption friction surface qspr sfg Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Hiroaki Koshima Hideki Kamano Yoshio Hisaeda Huijin Liu Shen Ye Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy
description	Blending an optimum amount of friction modifiers into lubricant is one of the important measures to reduce fuel consumption induced by the frictional loss for automobiles. However, the agents containing metal or phosphorus compounds can cause catalyst poisoning and clogging in the filters of the exhaust gas refining system. Thus, development of metal-free and phosphorus-free agents with a long-term stability under real working condition is highly desirable. In the present work, the friction coefficients on the metal surface in lubricants containing different friction modifiers were investigated by the reciprocating friction test in detail. A statistical method based on the quantitative structure-property relationship (QSPR) analysis has been employed to correlate the chemical nature of additives with their effect on the friction reduction behaviors. An empirical equation relating the molecular structure and its friction reduction efficiency has been proposed as a standard for a good friction modifier. Furthermore, a surface-sensitive vibration spectroscopy, sum frequency generation (SFG) spectroscopy, has been used to analyze the molecular structures of the lubricants adsorbed on the metal surface. The SFG observation suggested that a certain relationship between the adsorption structure and friction reduction effect of these agents.
format	article
author	Hiroaki Koshima Hideki Kamano Yoshio Hisaeda Huijin Liu Shen Ye
author_facet	Hiroaki Koshima Hideki Kamano Yoshio Hisaeda Huijin Liu Shen Ye
author_sort	Hiroaki Koshima
title	Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy
title_short	Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy
title_full	Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy
title_fullStr	Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy
title_full_unstemmed	Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy
title_sort	analyses of the adsorption structures of friction modifiers by means of quantitative structure-property relationship method and sum frequency generation spectroscopy
publisher	Japanese Society of Tribologists
publishDate	2010
url	https://doaj.org/article/411def88a46c4e1ca4acad32a34df932
work_keys_str_mv	AT hiroakikoshima analysesoftheadsorptionstructuresoffrictionmodifiersbymeansofquantitativestructurepropertyrelationshipmethodandsumfrequencygenerationspectroscopy AT hidekikamano analysesoftheadsorptionstructuresoffrictionmodifiersbymeansofquantitativestructurepropertyrelationshipmethodandsumfrequencygenerationspectroscopy AT yoshiohisaeda analysesoftheadsorptionstructuresoffrictionmodifiersbymeansofquantitativestructurepropertyrelationshipmethodandsumfrequencygenerationspectroscopy AT huijinliu analysesoftheadsorptionstructuresoffrictionmodifiersbymeansofquantitativestructurepropertyrelationshipmethodandsumfrequencygenerationspectroscopy AT shenye analysesoftheadsorptionstructuresoffrictionmodifiersbymeansofquantitativestructurepropertyrelationshipmethodandsumfrequencygenerationspectroscopy
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Analyses of the Adsorption Structures of Friction Modifiers by Means of Quantitative Structure-Property Relationship Method and Sum Frequency Generation Spectroscopy

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