ITMI20130174A1 - Composto fluoropolietereo, lubrificante e disco magnetico ciascuno contenente lo stesso - Google Patents

Composto fluoropolietereo, lubrificante e disco magnetico ciascuno contenente lo stesso

Info

Publication number
ITMI20130174A1
ITMI20130174A1 ITMI20130174A ITMI20130174A1 IT MI20130174 A1 ITMI20130174 A1 IT MI20130174A1 IT MI20130174 A ITMI20130174 A IT MI20130174A IT MI20130174 A1 ITMI20130174 A1 IT MI20130174A1
Authority
IT
Italy
Prior art keywords
compound
lubricant
fluoropolieter
same
integer
Prior art date
Application number
Other languages
English (en)
Italian (it)
Inventor
Tomomi Hatta
Nagayoshi Kobayashi
Ryosuke Sagata
Tsuyoshi Shimizu
Original Assignee
Moresco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moresco Corp filed Critical Moresco Corp
Publication of ITMI20130174A1 publication Critical patent/ITMI20130174A1/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/23—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing hydroxy or O-metal groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • G11B5/7253—Fluorocarbon lubricant
    • G11B5/7257—Perfluoropolyether lubricant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
    • C08G2650/46—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen
    • C08G2650/48—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen containing fluorine, e.g. perfluropolyethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
  • Magnetic Record Carriers (AREA)
ITMI20130174 2012-02-13 2013-02-07 Composto fluoropolietereo, lubrificante e disco magnetico ciascuno contenente lo stesso ITMI20130174A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012028593A JP5909837B2 (ja) 2012-02-13 2012-02-13 フルオロポリエーテル化合物、これを含有する潤滑剤ならびに磁気ディスク

Publications (1)

Publication Number Publication Date
ITMI20130174A1 true ITMI20130174A1 (it) 2013-08-14

Family

ID=48945811

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI20130174 ITMI20130174A1 (it) 2012-02-13 2013-02-07 Composto fluoropolietereo, lubrificante e disco magnetico ciascuno contenente lo stesso

Country Status (3)

Country Link
US (1) US8734966B2 (2)
JP (1) JP5909837B2 (2)
IT (1) ITMI20130174A1 (2)

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US8668995B2 (en) * 2011-06-13 2014-03-11 Moresco Corporation Fluoropolyether compound, lubricant and magnetic disk each containing the same
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WO2015199037A1 (ja) * 2014-06-24 2015-12-30 株式会社Moresco フルオロポリエーテル化合物、潤滑剤ならびに磁気ディスク
EP3225612B1 (en) * 2014-11-28 2019-09-04 Moresco Corporation Fluoropolyether compound, lubricant, magnetic disk, and method for producing same
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US10199064B2 (en) 2015-02-18 2019-02-05 Showa Denko K.K. Magnetic recording medium, and magnetic recording and reproducing apparatus
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JP6763014B2 (ja) * 2016-03-10 2020-09-30 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
JP6838874B2 (ja) 2016-07-05 2021-03-03 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
JP6804893B2 (ja) * 2016-08-10 2020-12-23 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
WO2018139174A1 (ja) 2017-01-26 2018-08-02 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
US11220649B2 (en) 2017-01-26 2022-01-11 Showa Denko K.K. Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
WO2019039265A1 (ja) 2017-08-21 2019-02-28 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
JP7149947B2 (ja) 2017-08-21 2022-10-07 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
CN111032608B (zh) 2017-09-07 2022-12-09 昭和电工株式会社 含氟醚化合物、磁记录介质用润滑剂和磁记录介质
CN111278797B (zh) * 2017-09-13 2023-06-16 株式会社力森诺科 含氟醚化合物、磁记录介质用润滑剂及磁记录介质
US11308985B2 (en) 2018-01-29 2022-04-19 Seagate Technology Llc Fluoropolyether compound and lubricant
US11661408B2 (en) 2018-09-12 2023-05-30 Showa Denko K.K. Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
JP7338631B2 (ja) * 2018-09-12 2023-09-05 株式会社レゾナック 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
US11820953B2 (en) 2019-03-12 2023-11-21 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
JP7177930B2 (ja) * 2019-06-10 2022-11-24 株式会社Moresco パーフルオロポリエーテル化合物、潤滑剤および磁気ディスク
US11879109B2 (en) 2019-09-18 2024-01-23 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
US11845906B2 (en) 2019-10-01 2023-12-19 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
WO2021090940A1 (ja) 2019-11-07 2021-05-14 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
US12057151B2 (en) 2019-12-23 2024-08-06 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
US11905365B2 (en) 2019-12-26 2024-02-20 Resonac Corporation Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
WO2021157563A1 (ja) 2020-02-07 2021-08-12 昭和電工株式会社 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
CN115667196B (zh) 2020-06-11 2024-03-15 株式会社力森诺科 含氟醚化合物、磁记录介质用润滑剂及磁记录介质
WO2024185621A1 (ja) * 2023-03-07 2024-09-12 株式会社レゾナック 含フッ素エーテル化合物、磁気記録媒体用潤滑剤および磁気記録媒体
US12415964B2 (en) 2024-01-19 2025-09-16 Western Digital Technologies, Inc. High temperature lubricants for magnetic media having aromatic linker moiety
US12584075B2 (en) 2024-04-12 2026-03-24 Western Digital Technologies, Inc. Redesigned lubricant main chain repeat unit for enhanced thermal stability and tailored performance
US20250346825A1 (en) * 2024-05-07 2025-11-13 Western Digital Technologies, Inc. Media lubricants synthesis with click chemistry
US20250354078A1 (en) * 2024-05-16 2025-11-20 Western Digital Technologies, Inc. Oxidation resistance of lubricant with modified epoxide-based linkages

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Also Published As

Publication number Publication date
US8734966B2 (en) 2014-05-27
US20130209837A1 (en) 2013-08-15
JP2013163667A (ja) 2013-08-22
JP5909837B2 (ja) 2016-04-27

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