FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

• Main Authors: TANJI Yutaka, FUKUMOTO Naoya
• Format: Patent
• Language: English; French; Japanese
• Published: 04.07.2024
• 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

This fluorine-containing ether compound is represented by formula (1). In formula (1), X represents one of formulae (2-1) to (2-5), A represents formula (3-1) or (3-2), B represents a perfluoropolyether chain, D comprises 2 to 4 polar groups and an oxygen atom that is bonded to a methylene group which is adjacent to D, and has 1 to 15 carbon atoms, and the number of carbon atoms in the shortest distance between the carbon atoms to which adjacent polar groups are bonded in D is 0 to 9. L'invention concerne un composé éther contenant du fluor représenté par la formule (1). Dans la formule (1), X représente l'une des formules (2-1) à (2-5), A représente la formule (3-1) ou (3-2), B représente une chaîne perfluoropolyéther, D comprend de 2 à 4 groupes polaires et un atome d'oxygène lié à un groupe méthylène adjacent à D, et a de 1 à 15 atomes de carbone, et le nombre d'atomes de carbone dans la distance la plus courte entre les atomes de carbone auxquels des groupes polaires adjacents sont liés dans D est de 0 à 9. この含フッ素エーテル化合物は、式（１）で表される含フッ素エーテル化合物である。式（１）中、Ｘは式（２－１）～（２－５）、Ａは式（３－１）または（３－２）。Ｂはパーフルオロポリエーテル鎖。Ｄは、極性基を２個～４個有し、Ｄに隣接するメチレン基に結合される酸素原子を有し、炭素原子数が１～１５であり、Ｄ中の隣接する極性基が結合している炭素原子間の最短距離の炭素原子数は０～９。