公开(公告)号：US12091527B2

公开(公告)日：2024-09-17

申请号：US17089837

申请日：2020-11-05

Applicant: OCHANOMIZU UNIVERSITY ,  DAIKIN INDUSTRIES, LTD.

Inventor： Tomoko Yajima ,  Moeka Sano ,  Tadashi Kanbara ,  Tsuyoshi Noguchi

IPC: C08L33/10 ,  C08K5/5419 ,  C08F20/24 ,  C08F20/28

CPC classification number: C08K5/5419 ,  C08L33/10 ,  C08F20/24 ,  C08F20/28

Abstract: A silsesquioxane compound represented by the following formula (I): (RaSiO1.5)n, wherein Ra is, each independently at each occurrence, Rb or Rc; provided that at least one Ra is Rb; Rb is —R1—CF2—R2—R3; R1 is a divalent group; R2 is a divalent polymer chain; R3 is a halogen atom or a hydrogen atom; Rc is a hydrogen atom, an alkyl group, a phenyl group, or —(OSiR152)j—R15; R15 is, each independently at each occurrence, a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; j is, each independently at each occurrence, an integer of 1 to 3; and n is an arbitrary integer.

公开(公告)号：US20230357535A1

公开(公告)日：2023-11-09

申请号：US18224674

申请日：2023-07-21

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Seiichi HIRANO ,  Tsuyoshi Noguchi

IPC: C08K3/34 ,  C08K3/14 ,  C08L27/18 ,  C08K3/10

CPC classification number: C08K3/34 ,  C08K3/14 ,  C08L27/18 ,  C08K3/10 ,  C08K2201/005

Abstract: A crosslinkable elastomer composition including a crosslinkable elastomer and a surface-oxidized non-oxide ceramic. Also disclosed is a fluoroelastomer molded article having a weight reduction percentage of 2.5% by mass or less and an amount of particles generated of 0.05% by mass or less after O2 plasma irradiation, a weight reduction percentage of 1.8% by mass or less, an amount of particles generated of 0.05% by mass or less after NF3 plasma irradiation, and a compression set of 50% or less after aging at 300° C. for 70 hours.

公开(公告)号：US11780212B2

公开(公告)日：2023-10-10

申请号：US15304344

申请日：2015-04-15

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuuki Kuwajima ,  Eisaku Sumino ,  Takeshi Inaba ,  Tsuyoshi Noguchi

IPC: B32B27/32 ,  B32B25/08 ,  B32B1/08 ,  F16L11/04 ,  F16L11/12 ,  B32B27/30 ,  B32B25/04 ,  B32B25/14

CPC classification number: B32B25/08 ,  B32B1/08 ,  B32B25/042 ,  B32B25/14 ,  B32B27/304 ,  B32B27/322 ,  F16L11/04 ,  F16L11/12 ,  B32B2597/00

Abstract: The present invention aims to provide a laminate in which a fluororesin layer and a fluororubber layer are firmly bonded. The present invention relates to a laminate including: a fluororubber layer (A); and a fluororesin layer (B) stacked on the fluororubber layer (A), the fluororubber layer (A) being formed from a fluororubber composition, the fluororubber composition containing a fluororubber, a low molecular weight polytetrafluoroethylene, and a multifunctional compound, the amount of the multifunctional compound being 5 parts by mass or more relative to 100 parts by mass of the fluororubber.

公开(公告)号：US20230303748A1

公开(公告)日：2023-09-28

申请号：US18320391

申请日：2023-05-19

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Asuka NOHARA ,  Shinya Handa ,  Daisuke Ota ,  Yoshinori Nanba ,  Akiyoshi Yamauchi ,  Naoyuki Hoshiya ,  Tsuyoshi Noguchi

IPC: C08F236/20 ,  C08L47/00

CPC classification number: C08F236/20 ,  C08L47/00

Abstract: Provided is a fluoropolymer comprising tetrafluoroethylene unit (1) and a monomer unit (2) derived from a perfluoroalkadlene represented by formula (2):


CF2═CF(CF2)nCF═CF2

where n represents an integer of 2 to 10, wherein a content of tetrafluoroethylene unit (1) is 98.0 to 99.999 mol % or more based on total monomer units constituting the fluoropolymer, and a content of the monomer unit (2) is 0.001 to 2.0 mol % based on total monomer units constituting the fluoropolymer.

公开(公告)号：US11254638B2

公开(公告)日：2022-02-22

申请号：US16732996

申请日：2020-01-02

Applicant: DAIKIN INDUSTRIES, LTD. ,  TOKYO INSTITUTE OF TECHNOLOGY

Inventor： Tadashi Kanbara ,  Tsuyoshi Noguchi ,  Toshikazu Takata ,  Hiromitsu Sogawa ,  Shunsuke Monjiyama ,  Toyokazu Tsutsuba

IPC: C07C291/06 ,  C08G63/08 ,  C08L101/02 ,  C08G63/91 ,  C08K5/32 ,  C08G63/16 ,  C08F120/36 ,  C08G63/685

Abstract: A compound of the formula (III): wherein R21 is a hydrogen atom or an alkyl group; R22 is a hydrogen atom or an alkyl group; and R23 is a divalent organic group.

公开(公告)号：US20210078944A1

公开(公告)日：2021-03-18

申请号：US17104957

申请日：2020-11-25

Applicant: Tokyo Institute Of Technology ,  Daikin Industries, Ltd.

Inventor： Toshikazu Takata ,  Hiromitsu Sogawa ,  Tadashi Kanbara ,  Tsuyoshi Noguchi

IPC: C07C291/06 ,  C07C255/64 ,  C07C323/03 ,  C07C331/20 ,  C09D5/00 ,  C07C205/31 ,  C07C323/47 ,  C03C17/28

Abstract: The present invention provides a compound represented by formula (I) wherein symbols in the formula are as defined in the specification.

公开(公告)号：US10815369B2

公开(公告)日：2020-10-27

申请号：US16324186

申请日：2017-08-08

Applicant: AKITA UNIVERSITY ,  DAIKIN INDUSTRIES, LTD.

Inventor： Kazuya Matsumoto ,  Mitsutoshi Jikei ,  Sumito Yamakawa ,  Tadatake Sakurada ,  Fumihiro Kamiya ,  Tsuyoshi Noguchi

IPC: C08L27/18 ,  C08L27/12 ,  C08L77/00 ,  C09K3/10 ,  H01J37/32 ,  H01L21/67

Abstract: The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure.

公开(公告)号：US12286523B2

公开(公告)日：2025-04-29

申请号：US18224674

申请日：2023-07-21

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Seiichi Hirano ,  Tsuyoshi Noguchi

IPC: C08K3/34 ,  C08K3/10 ,  C08K3/14 ,  C08L27/18

Abstract: A crosslinkable elastomer composition including a crosslinkable elastomer and a surface-oxidized non-oxide ceramic. Also disclosed is a fluoroelastomer molded article having a weight reduction percentage of 2.5% by mass or less and an amount of particles generated of 0.05% by mass or less after O2 plasma irradiation, a weight reduction percentage of 1.8% by mass or less, an amount of particles generated of 0.05% by mass or less after NF3 plasma irradiation, and a compression set of 50% or less after aging at 300° C. for 70 hours.

公开(公告)号：US11999761B2

公开(公告)日：2024-06-04

申请号：US17090455

申请日：2020-11-05

Applicant: OCHANOMIZU UNIVERSITY ,  DAIKIN INDUSTRIES, LTD.

Inventor： Tomoko Yajima ,  Tadashi Kanbara ,  Tsuyoshi Noguchi

IPC: C07C69/65 ,  C07C69/653 ,  C07F7/21 ,  C08F293/00

CPC classification number: C07F7/21 ,  C08F293/005 ,  C08F2438/00

Abstract: An iodine compound represented by formula (3) and a polymerization inhibitor including the iodine compound, wherein R21 to R25 are as defined herein, X1 is an n1-valent group, and n1 is an integer of 1 to 10:

公开(公告)号：US20240092971A1

公开(公告)日：2024-03-21

申请号：US18505260

申请日：2023-11-09

Applicant: DAIKIN INDUSTRIES, LTD. ,  NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY

Inventor： Yoshiyuki OISHI ,  Tsuyoshi Noguchi

IPC: C08G65/38

CPC classification number: C08G65/38

Abstract: The present disclosure provides a fluorine-containing polyether compound having a repeating unit represented by formula (1).




In formula (1), n represents an integer of 1 to 8, Ph represents a phenylene group, X1 represents a heterocyclic ring or a hydrocarbon ring, one or both of two phenylene groups represented by Ph, and the heterocyclic ring or hydrocarbon ring represented by X1 are optionally condensed with each other, and the phenylene group, the heterocyclic ring, and the hydrocarbon ring optionally have a substituent.