公开(公告)号：US20180047419A1

公开(公告)日：2018-02-15

申请号：US15664013

申请日：2017-07-31

Applicant: SHOWA DENKO K.K.

Inventor： Naoya FUKUMOTO ,  Daisuke YAGYU ,  Yuta YAMAGUCHI ,  Shoko UETAKE ,  Tsuyoshi KATO ,  Hiroyuki TOMITA ,  Ryuta MIYASAKA ,  Katsumi MUROFUSHI

IPC: G11B5/725 ,  C10M105/54 ,  C08G65/26 ,  C07C43/13

Abstract: A fluorine-containing ether compound of the present invention is represented by Formula (1). R1—CH2—R2—CH2—R3  (1) (In Formula (1), R1 is an organic end group having 3 or more carbon atoms which includes two or more polar groups with each polar group being bonded to different carbon atoms and the carbon atoms to which the polar groups are bonded being bonded to each other via a linking group including the carbon atoms which are not bonded to the polar groups, R2 includes a perfluoropolyether chain represented by Formula (3), and R3 is a hydroxyl group or R1) —(CF2)y-1—O—((CF2)yO)z—(CF2)y-1—  (3) (In Formula (3), y represents an integer of 2 to 4, and z represents an integer of 1 to 30).

公开(公告)号：US20230257521A1

公开(公告)日：2023-08-17

申请号：US17630594

申请日：2020-07-10

Applicant: SHOWA DENKO K.K.

Inventor： Naoya FUKUMOTO ,  Daisuke YAGYU ,  Tsuyoshi KATO ,  Katsumi MUROFUSHI

IPC: C08G65/337 ,  G11B5/725 ,  C10M107/38 ,  C10N40/18

CPC classification number: C08G65/337 ,  C10M107/38 ,  G11B5/7257 ,  C10M2213/0606 ,  C10N2040/18

Abstract: A fluorine-containing ether compound represented by the following formula (1) is provided.





(In the formula (1), R1 is an alkoxy group having 1 to 10 carbon atoms, R2 is a perfluoropolyether chain, R3 is —OCH2CH(OH)CH2O(CH2)mOH (m in the formula is an integer of 2 to 4).)

公开(公告)号：US20230242829A1

公开(公告)日：2023-08-03

申请号：US18009221

申请日：2021-06-07

Applicant: SHOWA DENKO K.K.

Inventor： Natsumi SHIBATA ,  Naoya FUKUMOTO ,  Tsuyoshi KATO

IPC: C10M107/38 ,  C08G65/331 ,  C08G65/22 ,  C07C43/13 ,  G11B5/725

CPC classification number: C10M107/38 ,  C07C43/137 ,  C08G65/226 ,  C08G65/3318 ,  G11B5/7257 ,  C10M2213/043 ,  C10N2040/18

Abstract: What is provided is a fluorine-containing ether compound represented by the following formula. R1—CH2—R2—CH2—OCH2CH(OH)CH2O—CH2—R3—CH2—R4 (In the formula, R2 and R3 are perfluoropolyether chains, and R1 and R4 are terminal groups having two or three polar groups, in which individual polar groups are bound to different carbon atoms and the carbon atoms to which the polar groups are bound are bound to each other via a linking group having a carbon atom to which the polar groups are not bound).

公开(公告)号：US20210188766A1

公开(公告)日：2021-06-24

申请号：US16640132

申请日：2018-07-30

Applicant: SHOWA DENKO K.K.

Inventor： Masaki NANKO ,  Naoya FUKUMOTO ,  Daisuke YAGYU ,  Yuta YAMAGUCHI ,  Tsuyoshi KATO ,  Hiroyuki TOMITA ,  Katsumi MUROFUSHI ,  Shohei NISHIZAWA

IPC: C07C255/13 ,  C07C43/205 ,  C07C255/17 ,  C07C255/19 ,  C07C255/50 ,  C07D333/16 ,  C08G65/08 ,  C10M107/38 ,  G11B5/725

Abstract: Provided is a fluorine-containing ether compound that can be suitably used as a material for a lubricant for a magnetic recording medium, capable of forming a lubricant layer having excellent chemical substance resistance and wear resistance even when the thickness is small. A fluorine-containing ether compound represented by the following formula (1): R1—R2—CH2—R3—CH2—R4—R5  (1) In the formula (1), R3 is a perfluoropolyether chain. R2 and R4 are divalent linkage groups having a polar group, and may be the same or different. R1 and R5 are terminal groups bonded to R2 or R4, which may be the same or different, and at least one of R1 and R5 is an organic group having 1 to 8 carbon atoms wherein one or more hydrogen atoms of the organic group is substituted with a cyano group.

公开(公告)号：US20190084911A1

公开(公告)日：2019-03-21

申请号：US16082349

申请日：2017-01-30

Applicant: SHOWA DENKO K.K.

Inventor： Daisuke YAGYU ,  Yuta YAMAGUCHI ,  Naoya FUKUMOTO ,  Tsuyoshi KATO ,  Shoko UETAKE ,  Hiroyuki TOMITA ,  Ryuuta MIYASAKA ,  Naoko ITO ,  Ichiro OTA ,  Katsumi MUROFUSHI

IPC: C07C43/23 ,  C07C43/178 ,  C07D333/16 ,  C07D303/26 ,  C07D409/12 ,  C07D277/24 ,  C10M105/54 ,  G11B5/733

Abstract: The present invention relates to a fluorine-containing ether compound represented by Formula (1), R1—R2—CH2—R3—CH2—R4  (1). (In Formula (1), R1 is an end group including an organic group having at least one double bond or triple bond, R2 is a divalent linking group bonded to R1 by etheric oxygen, R3 is a perfluoropolyether chain, R4 is an end group having two or three polar groups with each polar group being bonded to different carbon atoms, and the carbon atoms, to which the polar groups are bonded, being bonded to each other via a linking group including carbon atoms to which the polar groups are not bonded.)

公开(公告)号：US20230115042A1

公开(公告)日：2023-04-13

申请号：US17797177

申请日：2021-02-02

Applicant: SHOWA DENKO K.K.

Inventor： Daisuke YAGYU ,  Tsuyoshi KATO ,  Ayano ASANO ,  Natsumi SHIBATA ,  Naoya FUKUMOTO

IPC: G11B5/725 ,  C10M105/54 ,  C10M105/72 ,  C10M105/70 ,  C07D407/12 ,  C07D309/12 ,  C07D303/28 ,  C07D409/12 ,  C07D405/12

Abstract: A fluorine-containing ether compound represented by a formula (1) shown below. R1—(O(CH2)a)b-[A]-[B]—O—CH2—R2—CH2—R3  (1) (In the formula (1), R1 is an alkyl group which may have a substituent, or an organic group having at least one double bond or triple bond. Further, a represents an integer of 2 to 4, and b is 0 or 1. [A] is represented by a formula (2): —(OCH2CH(OH)CH2)c— (wherein c is 1 or 2). [B] is represented by a formula (3): —(O(CH2)eCH(OH)CH2)d— (wherein d is 0 or 1, and e represents an integer of 2 to 4). However, the sum of c in the formula (2) and d in the formula (3) is 2. R2 is a perfluoropolyether chain. R3 is represented by a formula (4): —(OCH2CH(OH)CH2)2—O—CH2(CH2)fOH (wherein f represents an integer of 2 to 5).

公开(公告)号：US20230099918A1

公开(公告)日：2023-03-30

申请号：US17788169

申请日：2020-12-17

Applicant: SHOWA DENKO K.K.

Inventor： Naoya FUKUMOTO ,  Tsuyoshi KATO ,  Katsumi MUROFUSHI ,  Daisuke YAGYU ,  Shunya SUZUKI ,  Ayano ASANO

IPC: C07C69/708 ,  C07C219/06 ,  C10M105/54

Abstract: There is provided a fluorine-containing ether compound represented by the following formula. R1—R2—CH2—R3—CH2—OCH2CH(OH)CH2O—CH2—R3—CH2—R4—R5 (in the formula. R3 represents a perfluoropolyether chain; R2 and R4 represent a divalent linking group having a polar group; R1 and R5 represent a terminal group bonded to an oxygen atom of R2 or R4; and at least one of R1 and R5 is any one selected from the group consisting of an alkenyl group having 2 to 8 carbon atoms, an alkynyl group having 3 to 8 carbon atoms, an aromatic hydrocarbon-containing group, and an aromatic heterocycle-containing group).

公开(公告)号：US20220169941A1

公开(公告)日：2022-06-02

申请号：US17437251

申请日：2020-03-12

Applicant: SHOWA DENKO K.K.

Inventor： Natsumi SHIBATA ,  Tsuyoshi KATO ,  Daisuke YAGYU ,  Shunya SUZUKI ,  Masaki NANKO ,  Naoya FUKUMOTO

IPC: C10M107/38 ,  C08G65/22 ,  G11B5/725

Abstract: This fluorine-containing ether compound is a fluorine-containing ether compound represented by formula (1). R1—X—R2—CH2—R3—CH2—R4  (1) (In formula (1), R1 is an alkenyloxy group of 2 to 8 carbon atoms or an alkynyloxy group of 3 to 8 carbon atoms. R2 is represented by formula (2) shown below. In formula (2), a represents an integer of 1 to 3. X is represented by formula (3) shown below. In formula (3), b represents an integer of 1 to 5, Y is a divalent linking group that is bonded to a carbon atom in formula (2), and R represents an alkyl group of 1 to 6 carbon atoms or H. R3 represents a perfluoropolyether chain. R4 represents a terminal group containing two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to each other via a linking group containing a carbon atom to which a polar group is not bonded.)

公开(公告)号：US20210062102A1

公开(公告)日：2021-03-04

申请号：US16644586

申请日：2018-08-23

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi KATO ,  Daisuke YAGYU ,  Naoya FUKUMOTO ,  Masaki NANKO ,  Masumi KURITANI ,  Katsumi MUROFUSHI

IPC: C10M105/54 ,  C07C43/23 ,  C07D333/16 ,  G11B5/73

Abstract: A fluorine-containing ether compound represented by R1—R2—CH2—R3—CH2—R4—R5 is provided. (R3 is a perfluoropolyether chain; R1 and R5 are each independently any one of an alkyl group that may have a substituent, an organic group having at least one double bond or at least one triple bond, and a hydrogen atom; and —R2—CH2—R3 is represented by Formula (2), and R3—CH2—R4— is represented by Formula (3)) -[A]-[B]—O—CH2—R3   (2) R3—CH2—O—[C]-[D]-   (3) ([A] is represented by Formula (4), [B] is represented by Formula (5), [C] is represented by Formula (6), [D] is represented by Formula (7), and in the formula, a and b are integers of 0 to 2, c is an integer of 2 to 5, d and f are integers of 0 to 2, and e is an integer of 2 to 5, and at least one of b and d in the formula is 1 or more)

公开(公告)号：US20200010619A1

公开(公告)日：2020-01-09

申请号：US16489931

申请日：2018-02-06

Applicant: SHOWA DENKO K.K.

Inventor： Takuya MINAMI ,  Yoshishige OKUNO ,  Yuta YAMAGUCHI ,  Ryuuta MIYASAKA ,  Naoya FUKUMOTO ,  Hiroko HATTORI ,  Hiroyuki TOMITA ,  Michio SERI ,  Naoko ITO ,  Ichiro OTA ,  Katsumi MUROFUSHI

IPC: C08G65/331 ,  G11B5/725 ,  C10M107/38 ,  C08G65/333

Abstract: A fluorine-containing ether compound of the present invention is represented by the following General Formula (1). (In the General Formula (1), X is a trivalent atom or a trivalent atom group, A is a linking group including at least one polar group, B is a linking group having a perfluoropolyether chain, and D is a polar group or a substituent having a polar group at the end.) [Chem. 1] XA-B-D)3   (1)