公开(公告)号：US20220259513A1

公开(公告)日：2022-08-18

申请号：US17630639

申请日：2020-07-09

Applicant: SHOWA DENKO K.K.

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

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

Abstract: A fluorine-containing ether compound represented by the following formula (1) is provided. R2—CH2—R1—CH2OCH2CH(OH)—(CH2)n—CH(OH)CH2OCH2—R1—CH2—R2  (1) (in the formula (1), n is an integer of 2 to 6, R1 is a perfluoropolyether chain, R2 is —OCH2CH(OH)CH2O(CH2)mOH (m in the formula is an integer of 2 to 4)).

公开(公告)号：US20200283392A1

公开(公告)日：2020-09-10

申请号：US16759515

申请日：2018-08-28

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi KATO ,  Daisuke YAGYU ,  Naoya FUKUMOTO ,  Yuta YAMAGUCHI ,  Masumi KURITANI ,  Katsumi MUROFUSHI ,  Masaki NANko ,  Hiroyuki TOMITA

IPC: C07D231/12 ,  C10M107/24 ,  C10M107/38 ,  C10M107/40 ,  C10M107/46 ,  G11B5/725 ,  C07D277/24 ,  C07D333/16

Abstract: Provided is a fluorine-containing ether compound capable of forming a lubricant layer having excellent wear resistance even when the thickness is thin, and suitable as a material of a lubricant for a magnetic recording medium. The fluorine-containing ether compound is a compound represented by the following formula (1): R1—R2—CH2—R3—CH2—R4—R5; wherein R3 is a perfluoropolyether chain; R1 is a terminal group bonded to R2; R5 is a terminal group bonded to R4; R1 is an alkenyl group or an alkynyl group; R5 is a group containing a heterocyclic ring; R2 is represented by the following formula (2); R4 is represented by the following formula (3); and a in the formula (2) and b in the formula (3) are each independently an integer of 1 to 3.

公开(公告)号：US20190382676A1

公开(公告)日：2019-12-19

申请号：US16480483

申请日：2018-01-05

Applicant: SHOWA DENKO K.K.

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

IPC: C10M107/46 ,  C08G65/334 ,  C08G65/333 ,  C10M107/44 ,  C07D333/16 ,  C07D231/12 ,  C07D277/24 ,  C07D409/12 ,  C07D213/68 ,  G11B5/725

Abstract: A fluorine-containing ether compound represented by Formula (1) is provided. R1—R2—CH2—R3—CH2—R4—R5   (1) (In Formula (1), R1 and R5 each represents a group having a heterocyclic ring and may be the same as or different from each other, R2 and R4 each represents a divalent linking group having a polar group and play be the same as or different from each other, and R3 represents a perfluoropolyether chain.)

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：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)

公开(公告)号：US20200002258A1

公开(公告)日：2020-01-02

申请号：US16489896

申请日：2018-02-08

Applicant: SHOWA DENKO K.K.

Inventor： Naoya FUKUMOTO ,  Ryuuta MIYASAKA ,  Hiroyuki TOMITA ,  Michio SERI ,  Naoko ITO ,  Katsumi MUROFUSHI

IPC: C07C43/13 ,  C08G65/337 ,  G11B5/725

Abstract: A fluorine-containing ether compound according to the present invention is a fluorine-containing ether compound represented by the following General Formula (1). [Chem. 1] (F2CIA-B-D)2  (1)

公开(公告)号：US20190382675A1

公开(公告)日：2019-12-19

申请号：US16480464

申请日：2017-12-04

Applicant: SHOWA DENKO K.K.

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

IPC: C10M105/54 ,  C07C43/178 ,  G11B5/725

Abstract: A fluorine-containing ether compound represented by Formula (1) is provided; R1—R2—CH2—R3—CH2—R4—R5  (1) (In Formula (1), R1 and R5 may be the same as or different from each other and each represents an alkenyl group having 2 to 8 carbon atoms or an alkynyl group having 3 to 8 carbon atoms, R2 and R4 may be the same as or different from each other and each represents a divalent linking group having a polar group, and R3 represents a perfluoropolyether chain, with a proviso that R1 and R2 are, and R4 and R5 are divided due to the presence of an atom other than the carbon atom such as an oxygen atom).

公开(公告)号：US20180009773A1

公开(公告)日：2018-01-11

申请号：US15640729

申请日：2017-07-03

Applicant: SHOWA DENKO K.K.

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

IPC: C07D303/28 ,  C10M105/54 ,  C07C43/13 ,  C07C43/23 ,  G11B5/725

CPC classification number: C07D303/28 ,  C07C43/137 ,  C07C43/23 ,  C10M105/54 ,  C10M107/38 ,  C10M2211/0425 ,  C10M2213/043 ,  C10N2230/06 ,  C10N2240/204 ,  C10N2250/14 ,  G11B5/725

Abstract: This fluorine-containing ether compound is represented by Formula (1). R1—R2—CH2—R3—CH2—R4—R5  (1) (in Formula (1), R1 is an aryl group or an aralkyl group, R2 is a divalent linking group having 0 or 1 polar group, R3 is a perfluoropolyether chain, R4 is a divalent linking group having 2 or 3 polar groups, and R5 is an aryl group or an aralkyl group.)