FLUOROETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

• Main Authors: KATO Tsuyoshi, FUKUMOTO Naoya, YAGYU Daisuke, MUROFUSHI Katsumi
• Format: Patent
• Language: English; French; Japanese
• Published: 04.02.2021
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; COMPOSITIONS BASED THEREON; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; LUBRICANTS; LUBRICATING COMPOSITIONS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICS; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

A fluoroether compound represented by formula (1).　Formula (1): R2-CH2-R1-CH2OCH2CH(OH)-(CH2)n-CH(OH)CH2OCH2-R1-CH2-R2 (In formula (1), n is an integer of 2-6, R1 is a perfluoropolyether chain, and R2 is -OCH2CH(OH)CH2O(CH2)mOH (where m is an integer of 2-4).) L'invention concerne un composé éther fluoré représenté par la formule (1) suivante.　Ｒ２－ＣＨ２－Ｒ１－ＣＨ２ＯＣＨ２ＣＨ（ＯＨ）－（ＣＨ２）ｎ－ＣＨ（ＯＨ）ＣＨ２ＯＣＨ２－Ｒ１－ＣＨ２－Ｒ２　（１） (Dans la formule (1), n représente un nombre entier de 2 à 6, Ｒ１ représente une chaîne perfluoropolyéther, et Ｒ２ représente －ＯＣＨ２ＣＨ（ＯＨ）ＣＨ２Ｏ（ＣＨ２）ｍＯＨ (Dans la formule, m représente un nombre entier de 2 à 4.).) 下記式（１）で表される含フッ素エーテル化合物とする。　Ｒ２－ＣＨ２－Ｒ１－ＣＨ２ＯＣＨ２ＣＨ（ＯＨ）－（ＣＨ２）ｎ－ＣＨ（ＯＨ）ＣＨ２ＯＣＨ２－Ｒ１－ＣＨ２－Ｒ２　（１）（式（１）中、ｎは２～６の整数であり、Ｒ１はパーフルオロポリエーテル鎖であり、Ｒ２は－ＯＣＨ２ＣＨ（ＯＨ）ＣＨ２Ｏ（ＣＨ２）ｍＯＨ（式中のｍは２～４の整数である。）である。）