公开(公告)号：US20220372390A1

公开(公告)日：2022-11-24

申请号：US17760973

申请日：2020-09-08

Applicant: SHOWA DENKO K.K.

Inventor： Ayano ASANO

IPC: C10M107/38 ,  C08G65/00 ,  C10M107/32 ,  G11B5/725

Abstract: A fluorine-containing ether compound represented by the following formula (1). R1—R2—CH2—R3—CH2—R4  (1) (R1 is an organic group having an alicyclic structure having 3 to 13 carbon atoms; R2 is represented by the following formula (2), and a in the formula (2) is an integer of 1 to 3; R3 is a perfluoropolyether chain; and R4 is a terminal group having two or three polar groups, in which individual polar groups bond to different carbon atoms and the carbon atoms to which the polar groups bond are bonded to each other through a linking group having a carbon atom to which the polar groups do not bond.)

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：US20230002696A1

公开(公告)日：2023-01-05

申请号：US17772043

申请日：2020-11-06

Applicant: SHOWA DENKO K.K.

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

IPC: C10M105/54 ,  C07C43/13 ,  C07D309/12 ,  G11B5/725

Abstract: This fluorine-containing ether compound is represented by formula (1) shown below. R1—CH2—R2—CH2—R3  (1) In formula (1), R2 is a perfluoropolyether chain represented by a formula (2) shown below. R1 is a terminal group that is bonded to R2 via a CH2 group, and is represented by a formula (3) shown below. R3 is bonded to R2 via a CH2 group, is a terminal group having at least one hydroxyl group, and may be the same as, or different from, R1. —(CF2)p-1—O—((CF2)pO)q—(CF2)p-1—  (2) In formula (2), p represents an integer of 2 to 3, and q indicates the average polymerization degree and is a number within a range from 1 to 20. —O(CH2—CH(OH)—CH2—O)2—CH2—(CH2)n,—OH  (3) In formula (3), n represents an integer of 1 to 8.

公开(公告)号：US20240002743A1

公开(公告)日：2024-01-04

申请号：US18009371

申请日：2021-06-07

Applicant: SHOWA DENKO K.K.

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

IPC: C10M131/10 ,  C07C43/12 ,  G11B5/725

CPC classification number: C10M131/10 ,  C07C43/126 ,  C10N2040/18 ,  C10M2211/0425 ,  G11B5/7257

Abstract: What is provided is a fluorine-containing ether compound represented by the following formula. R1—R2—O—CH2—R3—CH2—O—R4—R5
(R3 is a perfluoropolyether chain; R2 is represented by Formula (2), R4 is represented by Formula (3), R1 and R5 are hydrogen atoms or Formula (4); a and b in Formula (2) are an integer of 0 to 2, c in Formula (2) is an integer of 2 to 5, d and e in Formula (3) are an integer of 0 to 2, f in Formula (3) is an integer of 2 to 5; at least one of b in Formula (2) and e in Formula (3) is 1 or more; and k in Formula (4) is an integer of 3 to 6.)