公开(公告)号：US20210371392A1

公开(公告)日：2021-12-02

申请号：US17398257

申请日：2021-08-10

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Moe HOSOKAWA ,  Koutarou HAYASHI ,  Yoshihiro YAMAMOTO ,  Akiyoshi YAMAUCHI ,  Yosuke KISHIKAWA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Makoto MATSUURA

IPC: C07D319/12 ,  C07D317/42

Abstract: The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step. The present disclosure relates to a method for producing a compound represented by formula (1): wherein two R1 are the same and each is a fluorine atom or a fluoroalkyl group, the method comprising step A of reacting a compound represented by formula (2): wherein R1 is as defined above, with a compound (3) represented by formula (3-1) or the like: wherein R31, R32, and R33 are the same or different and each is a hydrogen atom or a C1-10 alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents, in the presence of a fluorine compound (4) represented by formula (4-1) or the like: MHnFm(4-1) wherein M is a metal atom, n is 0 or 1, and the sum of the valence number of M and n is m, and an organic solvent, provided that the compound represented by formula (3) is excluded from the organic solvent.

公开(公告)号：US20210032381A1

公开(公告)日：2021-02-04

申请号：US16967965

申请日：2019-02-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Satoru YONEDA ,  Masahiro HIGASHI ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA ,  Moe HOSOKAWA ,  Marina NAKANO ,  Hirotoshi YOSHIDA ,  Yoshinori NANBA ,  Kengo ITO ,  Chiaki OKUI ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Hiroyuki SATO

IPC: C08F14/26 ,  C08F2/26

Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, the surfactant being represented by the general formula (1): CR1R2R4—CR3R5—X-A, wherein R1 to R5 are each H or a monovalent substituent, with the proviso that at least one of R1 and R3 represents a group represented by the general formula: —Y—R6 and at least one of R2 and R5 represents a group represented by the general formula: —X-A or a group represented by the general formula: —Y—R6; and A is the same or different at each occurrence and is —COOM, —SO3M, or —OSO3M. Also disclosed is a surfactant for polymerization represented by the general formula (1), a method for producing a fluoropolymer using the surfactant and a composition including a fluoropolymer and the surfactant.

公开(公告)号：US20230192590A1

公开(公告)日：2023-06-22

申请号：US18110060

申请日：2023-02-15

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Moe HOSOKAWA ,  Akihiro GOTOU ,  Asako YOSHIYAMA ,  Makoto MATSUURA ,  Yosuke KISHIKAWA

IPC: C07C67/54

CPC classification number: C07C67/54

Abstract: The present disclosure addresses the problem of providing a method for purifying an acrylic acid ester compound. This problem can be solved by a method for purifying a compound represented by formula (1)




(wherein R1 and R2 are the same as or different and each represent an alkyl group, a fluoroalkyl group, an aryl group optionally having one or more substituent groups, a halogen atom, or a hydrogen atom, R3 is an alkyl group, a fluoroalkyl group, or an aryl group optionally having one or more substituent groups, and X is a fluoroalkyl group or a halogen atom), the method including step A of distilling composition A containing (a) the compound represented by formula (1), (b) an alcohol, and (c) a salt so as to obtain a concentrate containing the compound represented by formula (1).

公开(公告)号：US20220064139A1

公开(公告)日：2022-03-03

申请号：US17521155

申请日：2021-11-08

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Moe HOSOKAWA ,  Koutarou HAYASHI ,  Yoshihiro YAMAMOTO ,  Akiyoshi YAMAUCHI ,  Makoto MATSUURA ,  Yosuke KISHIKAWA

IPC: C07D319/12

Abstract: The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step. The present disclosure relates to a method for producing a compound represented by formula (1): wherein two R1 are the same and each is a fluorine atom or a fluoroalkyl group, the method comprising step A of reacting a compound represented by formula (2): wherein R1 is as defined above, with a compound represented by formula (3): wherein R31, R32, and R33 are the same or different and each is a hydrogen atom or an alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents, and a compound represented by formula (4-1) or the like: wherein R41, R42, R43, and R44 are the same or different and each is a hydrogen atom ox an alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents.

公开(公告)号：US20210363077A1

公开(公告)日：2021-11-25

申请号：US17048760

申请日：2019-04-25

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tatsuya OHTSUKA ,  Yoshichika KUROKI ,  Atsushi SHIRAI ,  Moe HOSOKAWA ,  Yosuke KISHIKAWA

IPC: C07C17/32

Abstract: The problem to be solved by the present invention is to provide a novel method for producing a difluoromethylene compound, in particular, a simple method for producing a difluoromethylene compound. This problem is solved by a method for producing a difluoromethylene compound (I) containing at least one —CF2— moiety, the method comprising step A of allowing IF5 and a disulfide compound (III) of the formula: RA—S—S—RA (wherein RA, in each occurrence, independently represents aryl optionally having at least one substituent or alkyl optionally having at least one substituent) to act on a carbonyl compound (II) containing at least one —C(O)— moiety.

公开(公告)号：US20210095054A1

公开(公告)日：2021-04-01

申请号：US16978395

申请日：2019-03-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirotoshi YOSHIDA ,  Taketo KATO ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Yoshinori NANBA ,  Kengo ITO ,  Masahiro HIGASHI ,  Satoru YONEDA ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Moe HOSOKAWA ,  Marina NAKANO ,  Yuuji TANAKA ,  Yosuke KISHIKAWA ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Hiroyuki SATO

IPC: C08F2/20 ,  C08F214/26 ,  C08K5/09

Abstract: A method for producing a fluoropolymer, which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, wherein the surfactant is a carboxylic acid type hydrocarbon-containing surfactant.

公开(公告)号：US20190256457A1

公开(公告)日：2019-08-22

申请号：US16332962

申请日：2017-09-14

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Masahiro HIGASHI ,  Moe HOSOKAWA ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA

IPC: C07C235/12 ,  C07C233/47 ,  C07C55/02 ,  C07C65/21

Abstract: A novel branched fluorine-containing compound represented by formula (1): (Rf—Yn1LX-A)n2  (1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydrogen or a C1-4 organic group.

公开(公告)号：US20240327373A1

公开(公告)日：2024-10-03

申请号：US18741170

申请日：2024-06-12

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Moe HOSOKAWA ,  Koutarou Hayashi ,  Yoshihiro Yamamoto ,  Akiyoshi Yamauchi ,  Makoto Matsuura ,  Yosuke Kishikawa

IPC: C07D319/12

CPC classification number: C07D319/12

Abstract: A composition comprising a compound represented by formula (1):




wherein two R1 are the same and each is a fluorine atom or a fluoroalkyl group, and further comprising, based on 100 parts by mass of the compound represented by formula (1), 0.00001 to 1 part by mass of a compound represented by formula (10):




wherein R41, R42, R43, and R44 are the same or different and each is a hydrogen atom or an alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents.

公开(公告)号：US20230220129A1

公开(公告)日：2023-07-13

申请号：US18119371

申请日：2023-03-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Satoru YONEDA ,  Masahiro HIGASHI ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA ,  Moe HOSOKAWA ,  Marina NAKANO ,  Hirotoshi YOSHIDA ,  Yoshinori NANBA ,  Kengo ITO ,  Chiaki OKUI ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Hirokazu AOYAMA ,  Masamichi SUKEGAWA ,  Taku YAMANAKA ,  Hiroyuki SATO

IPC: C08L27/18 ,  C08F2/28 ,  C08F114/26 ,  C08K5/19

CPC classification number: C08L27/18 ,  C08F2/28 ,  C08F114/26 ,  C08K5/19

Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer, the surfactant being represented by the general formula (1): CR1R2R4—CR3R5—X-A, wherein R1 to R5 are each H or a monovalent substituent, with the proviso that at least one of R1 and R3 represents a group represented by the general formula: —Y—R6 and at least one of R2 and R3 represents a group represented by the general formula: —X-A or a group represented by the general formula: —Y—R6; and A is the same or different at each occurrence and is —COOM, —SO3M, or —OSO3M. Also disclosed is a surfactant for polymerization represented by the general formula (1), a method for producing a fluoropolymer using the surfactant, a composition including a fluoropolymer and the surfactant and a molded body including the composition.

公开(公告)号：US20230202962A1

公开(公告)日：2023-06-29

申请号：US18110513

申请日：2023-02-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Makoto MATSUURA ,  Seiji TAKUBO ,  Moe HOSOKAWA ,  Yosuke KISHIKAWA ,  Akihiro GOTOU

IPC: C07C67/58

CPC classification number: C07C67/58

Abstract: The present disclosure addresses the problem of providing a method for purifying a halogen-containing (meth)acrylic acid ester, the method being capable of removing an alcohol to a high degree. This problem can be solved by a method for purifying a compound represented by formula (1):




(wherein R1 and R2 are be the same or different and represent an alkyl group, a fluoroalkyl group, an aryl group optionally having one or more substituents, a halogen atom, or a hydrogen atom, R3 represents an alkyl group, a fluoroalkyl group, or an aryl group optionally having one or more substituents, and X represents a fluoroalkyl group or a halogen atom),

the method comprising step (A) of mixing a composition comprising the compound represented by formula (1) and a compound represented by formula (2):



R4—OH  (2)

(wherein R4 is an alkyl group, a fluoroalkyl group, or an aryl group optionally having one or more substituents) with (i) a salt and/or (ii) a specific organic solvent to obtain a mixture; and step (B) of separating the mixture into two or more phases that are different from each other in terms of the content of the compound represented by formula (1).