Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media

The ionic liquid (IL) having a short perfluorether group and a hydroxy group was synthesized newly. The monolayer thickness of the IL and Z-Tetraol (Molecular Weight: approximately 2300) was 1.2 nm and 1.8 nm respectively which is measured by their spreading profiles experimentally. The adhesion and...

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Autores principales:	Kouki Hatsuda, Nobuo Tano, Hiroshi Tani
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2019
Materias:	ionic liquid high thermal stability monolayer thickness head-media spacing adhesive force surface energy 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/c3d8059b448042f68eb7908c209b3b1a
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id	oai:doaj.org-article:c3d8059b448042f68eb7908c209b3b1a
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spelling	oai:doaj.org-article:c3d8059b448042f68eb7908c209b3b1a2021-11-05T09:17:50ZNovel Ionic Liquid Type of Lubricant for Magnetic Disk Media1881-219810.2474/trol.14.155https://doaj.org/article/c3d8059b448042f68eb7908c209b3b1a2019-09-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/14/3/14_155/_pdf/-char/enhttps://doaj.org/toc/1881-2198The ionic liquid (IL) having a short perfluorether group and a hydroxy group was synthesized newly. The monolayer thickness of the IL and Z-Tetraol (Molecular Weight: approximately 2300) was 1.2 nm and 1.8 nm respectively which is measured by their spreading profiles experimentally. The adhesion and friction force of the lubricant thin film were measured by pin-on-disk microtribotester. While the adhesion force of Z-Tetraol increase with decreasing film thickness, the IL exhibits very small adhesion forces despite high polar energy measured by the contact angle. These adhesion measurement results implied that the interaction between pin and the IL lubricated disk is determined by considering the balance of Van der Walls attraction and electrostatic repulsion.Kouki HatsudaNobuo TanoHiroshi TaniJapanese Society of Tribologistsarticleionic liquidhigh thermal stabilitymonolayer thicknesshead-media spacingadhesive forcesurface energyPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 14, Iss 3, Pp 155-162 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	ionic liquid high thermal stability monolayer thickness head-media spacing adhesive force surface energy Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	ionic liquid high thermal stability monolayer thickness head-media spacing adhesive force surface energy Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Kouki Hatsuda Nobuo Tano Hiroshi Tani Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media
description	The ionic liquid (IL) having a short perfluorether group and a hydroxy group was synthesized newly. The monolayer thickness of the IL and Z-Tetraol (Molecular Weight: approximately 2300) was 1.2 nm and 1.8 nm respectively which is measured by their spreading profiles experimentally. The adhesion and friction force of the lubricant thin film were measured by pin-on-disk microtribotester. While the adhesion force of Z-Tetraol increase with decreasing film thickness, the IL exhibits very small adhesion forces despite high polar energy measured by the contact angle. These adhesion measurement results implied that the interaction between pin and the IL lubricated disk is determined by considering the balance of Van der Walls attraction and electrostatic repulsion.
format	article
author	Kouki Hatsuda Nobuo Tano Hiroshi Tani
author_facet	Kouki Hatsuda Nobuo Tano Hiroshi Tani
author_sort	Kouki Hatsuda
title	Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media
title_short	Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media
title_full	Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media
title_fullStr	Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media
title_full_unstemmed	Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media
title_sort	novel ionic liquid type of lubricant for magnetic disk media
publisher	Japanese Society of Tribologists
publishDate	2019
url	https://doaj.org/article/c3d8059b448042f68eb7908c209b3b1a
work_keys_str_mv	AT koukihatsuda novelionicliquidtypeoflubricantformagneticdiskmedia AT nobuotano novelionicliquidtypeoflubricantformagneticdiskmedia AT hiroshitani novelionicliquidtypeoflubricantformagneticdiskmedia
_version_	1718444435050594304

Novel Ionic Liquid Type of Lubricant for Magnetic Disk Media

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