Fluoropolyether compound, lubricant and magnetic disk each containing the same
    1.
    发明授权
    Fluoropolyether compound, lubricant and magnetic disk each containing the same 有权
    氟聚醚化合物,润滑剂和磁盘各自含有相同的

    公开(公告)号:US08734966B2

    公开(公告)日:2014-05-27

    申请号:US13765838

    申请日:2013-02-13

    IPC分类号: G11B5/66

    摘要: A compound of the formula (1), lubricant containing the compound and magnetic disk R1—C6H4O—CH2CH(OH)CH2OCH2—R2—CH2—O—R3  (1) wherein R1 is hydrogen, alkoxyl having 1 to 4 carbon atoms, amino or amido, R2 is —CF2O(CF2CF2O)x(CF2O)yCF2—, —CF2CF2O(CF2CF2CF2O)z—CF2CF2— or —CF2CF2CF2O(CF2CF2CF2CF2O)nCF2CF2CF2—, x and y are each an integer of 0 to 15, z is an integer of 1 to 15, n is an integer of 0 to 4, R3 is —CH2CH(OH)CH2OH, —CH2CH(OH)CH2OCH2CH(OH)CH2OH or —(CH2)mOH, m is an integer of 2 to 6.

    摘要翻译: 式(1)化合物,含有化合物和磁盘的润滑剂R1-C6H4O-CH2CH(OH)CH2OCH2-R2-CH2-O-R3(1)其中R1是氢,具有1-4个碳原子的烷氧基,氨基 或酰氨基,R 2是-CF 2 O(CF 2 CF 2 O)x(CF 2 O)y CF 2 - ,-CF 2 CF 2 O(CF 2 CF 2 CF 2 O)z -CF 2 CF 2 - 或-CF 2 CF 2 CF 2 O(CF 2 CF 2 CF 2 CF 2 O)n CF 2 CF 2 CF 2,x和y各自为0至15的整数,z是 1〜15的整数,n为0〜4的整数,R3为-CH2CH(OH)CH2OH,-CH2CH(OH)CH2OCH2CH(OH)CH2OH或 - (CH2)mOH,m为2〜6的整数。

    Fluoropolyether compound, lubricant, and magnetic disk

    公开(公告)号:US11866550B2

    公开(公告)日:2024-01-09

    申请号:US17863602

    申请日:2022-07-13

    摘要: Provided are a fluoropolyether compound having high heat resistance and capable of maintaining a surface protection layer even under high temperature, and a lubricant and a magnetic disk that contain the fluoropolyether compound. The fluoropolyether compound includes: three groups whose main chain contains a perfluoropolyether chain; and a trivalent linking group represented by Formula (1) below, the three groups being bound together via the trivalent linking group:




    where R1 is a saturated hydrocarbon group having 1 to 3 carbon atoms, a perfluoroalkyl group having 1 to 3 carbon atoms, an alkoxy group having 1 to 3 carbon atoms, a hydroxyl group, or an amino group, and A1, A2, and A3 are each independently an aromatic group.

    Fluoropolyether compound, lubricant, and magnetic disk

    公开(公告)号:US10047316B2

    公开(公告)日:2018-08-14

    申请号:US15318511

    申请日:2015-06-22

    摘要: The disclosure provides a fluoropolyether compound represented by formula (1): R1—CH2—R2—CH2—R3 wherein R1 is C1-C10 alkoxy; R2 is —(CF2)pO(CF2O)x(CF2CF2O)y(CF2CF2CF2O)z(CF2CF2CF2CF2O)w(CF2)p—; x and y are each a real number of 0 to 30; z is a real number of 0 to 30; w is a real number of 0 to 20; p is an integer of 1 to 3; R3 is —OCH2CH(OH)CH2OH, —OCH2CH(OH)CH2OCH2CH(OH)CH2OH, —O(CH2)mOH, or —OCH2(OH)CHCH2—OC6H4—R4; m is an integer of 2 to 8; and R4 is hydrogen, C1-C4 alkoxy, amino, or an amide residue; and also provides a lubricant having the compound and a magnetic disk.