公开(公告)号：US20220348704A1

公开(公告)日：2022-11-03

申请号：US17858580

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Yosuke KISHIKAWA ,  Hiroyuki YOSHIMOTO

IPC: C08F224/00 ,  C09D137/00 ,  C09D7/20 ,  H01B3/44 ,  H01B17/56

Abstract: An object of the present disclosure is to provide an insulating film or dielectric film comprising a fluoropolymer and having electrical insulation and hardness. The present disclosure relates to an insulating film or dielectric film comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

公开(公告)号：US20220355586A1

公开(公告)日：2022-11-10

申请号：US17858415

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Yosuke KISHIKAWA

IPC: B32B27/32 ,  B32B27/08

Abstract: An object of the present disclosure is to provide a laminate comprising a fluoropolymer layer with insulating properties, hardness, or transparency. The present disclosure relates to a laminate comprising a fluoropolymer layer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

公开(公告)号：US20240109826A1

公开(公告)日：2024-04-04

申请号：US18505611

申请日：2023-11-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuuki SUZUKI ,  Akitoshi OGATA ,  Asako YOSHIYAMA ,  Makoto MATSUURA ,  Yoshichika KUROKI ,  Yosuke KISHIKAWA

IPC: C07C29/10

CPC classification number: C07C29/10

Abstract: A composition containing: a compound (2); a metal compound; and at least one selected from a compound (3) and a compound (4), the compound (3) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (4) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (2) being represented by the following formula (2):




the compound (3) being represented by the following formula (3):




and the compound (4) being represented by the following formula (4):




wherein the various substituents of compounds (2), (3) and (4) are as defined herein.

公开(公告)号：US20220332880A1

公开(公告)日：2022-10-20

申请号：US17858431

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Yosuke KISHIKAWA

IPC: C08G4/00

Abstract: An object of the present disclosure is to provide an encapsulation resin in which the occurrence of cracks is suppressed when the resin is used for encapsulation of ultraviolet light-emitting elements. Another object of the present disclosure is to provide an encapsulation resin composition for supplying the encapsulation resin. The present disclosure relates to an encapsulation resin for light-emitting elements, comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

公开(公告)号：US20220332865A1

公开(公告)日：2022-10-20

申请号：US17858450

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Satoru YONEDA

IPC: C08F214/18 ,  C09D5/24 ,  C09D127/12 ,  C09D7/20

Abstract: An object of the present disclosure is to provide, for example, a fluoropolymer electret material with hardness. The present disclosure relates to an electret material comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the fluoropolymer has a mass average molecular weight of 1 million or more and 5 million or less, or 5000 or more and less than 20000.

公开(公告)号：US20220332860A1

公开(公告)日：2022-10-20

申请号：US17858381

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Yosuke KISHIKAWA

IPC: C08F34/02 ,  C09D137/00 ,  G02B1/14 ,  G02B1/11

Abstract: An object of the present disclosure is to provide a protective display film famed from a fluoropolymer with hardness. The present disclosure relates to a protective display film comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.

公开(公告)号：US20220363934A1

公开(公告)日：2022-11-17

申请号：US17858414

申请日：2022-07-06

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshito TANAKA ,  Makoto MATSUURA ,  Yuuki SUZUKI ,  Akitoshi OGATA ,  Yosuke KISHIKAWA

IPC: C09D127/12 ,  C09D7/20 ,  C08F14/18

Abstract: An object of the present disclosure is to provide a coating composition containing a dissolved, specific fluoropolymer at a high concentration that is usable in fluoropolymer coating. The present disclosure relates to a coating composition containing a fluoropolymer and an aprotic solvent, and the fluoropolymer contains, as a main component, a monomer unit represented by formula (1): wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the concentration of the fluoropolymer is 20 mass % or more based on the total mass of the coating composition.

公开(公告)号：US20220267536A1

公开(公告)日：2022-08-25

申请号：US17733247

申请日：2022-04-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuuki SUZUKI ,  Makoto MATSUURA ,  Akitoshi OGATA ,  Atsushi SHIRAI ,  Michiaki OKADA ,  Shiomi ASHIDA ,  Yoshito TANAKA ,  Yosuke KISHIKAWA

IPC: C08G79/00

Abstract: An object of the present disclosure is to provide a method for producing a fluorine-containing polymer and a composition containing the fluorine-containing polymer.
The present disclosure provides a composition comprising (A) a fluorine-containing polymer comprising as a main component a structural unit containing a fluorine-containing aliphatic ring, and (B) an aprotic solvent, wherein the fluorine-containing aliphatic ring of the fluorine-containing polymer (A) contains one, two, or three etheric oxygen atoms as a ring-constituting atom; when the fluorine-containing aliphatic ring contains a plurality of etheric oxygen atoms, the etheric oxygen atoms are not adjacent to each other; and the fluorine-containing polymer (A) is present in an amount of 20 mass % or more based on the mass of the composition.

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.