公开(公告)号：US20240092061A1

公开(公告)日：2024-03-21

申请号：US18495857

申请日：2023-10-27

Applicant: THE UNIVERSITY OF TOKYO ,  DAIKIN INDUSTRIES, LTD.

Inventor： Keisuke NAGATO ,  Kota AONO ,  Yusuke EBIHARA ,  Masayuki NAKAO ,  Yuki UEDA ,  Shingo OKUNO ,  Hirokazu KOMORI ,  Akiyoshi YAMAUCHI ,  Yosuke KISHIKAWA

IPC: B32B15/08 ,  B32B15/20

CPC classification number: B32B15/08 ,  B32B15/20 ,  B32B2307/50 ,  B32B2311/12 ,  B32B2398/10

Abstract: A joined article including: a resin (1) having a linear expansion coefficient at 30° C. to 200° C. of 17 ppm/° C. or higher and a thickness of 5 to 100 μm; and a metal joined to a surface of the resin (1) and having a thickness of 5 to 50 μm. The resin (1) includes a heat-affected layer that is close to the metal and that occupies 80% or less of the thickness of the resin (1), and the joined article is a dielectric material for a substrate. Also disclosed is a substrate including the joined article and a resin (2) stacked on the joined article.

公开(公告)号：US20240268020A1

公开(公告)日：2024-08-08

申请号：US18630293

申请日：2024-04-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kyouhei SAWAKI ,  Yuki UEDA ,  Shingo OKUNO ,  Mayuko TATEMICHI

IPC: H05K1/03 ,  H01B1/02 ,  H01B3/44 ,  H05K1/09

CPC classification number: H05K1/0373 ,  H01B1/02 ,  H01B3/445 ,  H05K1/09

Abstract: The disclosure aims to provide a composition having excellent UV laser processibility and good electric properties, a circuit board, and a method for producing a composition. The composition contains a perfluorinated fluororesin and zinc oxide.

公开(公告)号：US20240084158A1

公开(公告)日：2024-03-14

申请号：US18513786

申请日：2023-11-20

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuki UEDA ,  Shingo OKUNO ,  Akiyoshi YAMAUCHI ,  Yoshihiro SOUDA ,  Yasukazu NAKATANI

IPC: C09D127/18 ,  H05K1/05

CPC classification number: C09D127/18 ,  H05K1/056

Abstract: Provided is an aqueous coating composition capable of forming a fluororesin coating film layer with excellent electrical properties and surface physical properties, and good adhesive properties. A coating composition containing 2 or more kinds of fluororesins, where at least 1 kind of the fluororesin, a fluororesin (I), has a number of functional groups of 30 to 1,000 per 106 main-chain carbon atoms, and where the coating composition further contains an inorganic filler, a surfactant, and a liquid medium.

公开(公告)号：US20230265309A1

公开(公告)日：2023-08-24

申请号：US18311305

申请日：2023-05-03

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuki UEDA ,  Shingo OKUNO ,  Hirokazu KOMORI ,  Yasukazu NAKATANI ,  Akiyoshi YAMAUCHI

IPC: C09D127/12 ,  C09D7/47 ,  C09D7/61 ,  H05K1/03

CPC classification number: C09D127/12 ,  C09D7/47 ,  C09D7/61 ,  H05K1/0373 ,  H05K2201/0209 ,  H05K2201/015

Abstract: An aqueous coating material composition containing fluororesin particles (A) that can be melt-molded, further comprising silica particles (B), a non-fluorinated surfactant (C) and water (D), wherein the fluororesin particles (A) have an average particle size of 0.05 to 1000 μm, wherein the silica particles (B) have an average particle size of 0.1 to 20 μm, wherein the fluororesin particles (A) and the silica particles (B) have a blending ratio: Fluororesin particles (A)/Silica particles (B)=10/90 to 90/10 (mass ratio), and wherein a content of fluororesin particles (A) is 15 to 80 mass % relative to 100 mass % of solid content of the coating material. Also disclosed is a coated article including a coating layer formed by applying the aqueous coating material composition.

公开(公告)号：US20250040043A1

公开(公告)日：2025-01-30

申请号：US18906241

申请日：2024-10-04

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kyouhei SAWAKI ,  Shingo OKUNO ,  Yuki UEDA ,  Mayuko TATEMICHI

IPC: H05K1/03 ,  C08J3/20 ,  C08J5/18 ,  C08K9/06

Abstract: Provided are a solid composition having a low linear expansion coefficient and good moldability, a circuit board, and a method for producing the solid composition. The solid composition contains: a perfluorinated fluororesin; and an anisotropic filler surface-treated with a silane coupling agent.

公开(公告)号：US20230203228A1

公开(公告)日：2023-06-29

申请号：US18176856

申请日：2023-03-01

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shouta SHIBUTANI ,  Shingo OKUNO

IPC: C08F293/00

CPC classification number: C08F293/005 ,  C08F2438/03

Abstract: A curable composition including a silicone copolymer, a fluoropolyether group-containing compound, and a matrix-forming composition, wherein the silicone copolymer has two or more crosslinkable groups; and the crosslinkable group is a group containing a carbon-carbon double bond, a carbon-carbon triple bond, a cyclic ether group, a hydroxyl group, a thiol group, an amino group, an azide group, a nitrogen-containing heterocyclic group, an isocyanate group, a halogen atom, a phosphoric acid-containing group, or a silane coupling group, or a precursor group thereof. Also disclosed is a film formed from the curable composition, and an article including a substrate and a layer on a surface of the substrate formed from the curable composition.

公开(公告)号：US20250034425A1

公开(公告)日：2025-01-30

申请号：US18910540

申请日：2024-10-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuki UEDA ,  Ai YAMASHITA ,  Shingo OKUNO ,  Akiyoshi YAMAUCHI

IPC: C09D127/18 ,  C08J7/04 ,  C08K3/34 ,  C08K3/38 ,  C09D7/61

Abstract: Provided is a coating composition capable of forming a coating film layer, which has low coefficient of linear expansion at low dielectricity, excellent adhesive properties even when the surface of a counterpart material is smooth, and few coating film defects such as cracks and holes. A coating composition including 2 or more kinds of fluororesin emulsions, wherein at least 1 kind of the fluororesin, a fluororesin (I), has a number of functional groups of 30 to 1,000 per 106 main-chain carbon atoms, and the coating composition further includes an anisotropic filler, a surfactant, and a liquid medium.

公开(公告)号：US20240262984A1

公开(公告)日：2024-08-08

申请号：US18627638

申请日：2024-04-05

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kyouhei SAWAKI ,  Yuki UEDA ,  Shingo OKUNO ,  Mayuko TATEMICHI

IPC: C08K5/3492 ,  C08J3/20 ,  C08K3/36 ,  C08K5/3475 ,  H05K1/03

CPC classification number: C08K5/3492 ,  C08J3/201 ,  C08K3/36 ,  C08K5/3475 ,  H05K1/0346 ,  C08J2327/18

Abstract: The disclosure aims to provide a composition having excellent UV laser processibility, a circuit board, and a method for producing a composition. The composition contains a fluororesin and a nitrogen-containing heterocyclic compound having a 18 by mass reduction temperature during pyrolysis of 330° C. or higher, and has an absorbance of light with a wavelength of 355 nm of 0.6 or higher.

公开(公告)号：US20230406974A1

公开(公告)日：2023-12-21

申请号：US18456091

申请日：2023-08-25

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shota SHIBUTANI ,  Shingo OKUNO

IPC: C08F214/18 ,  C08F220/32 ,  C08F2/38 ,  C08L53/00 ,  C08G77/16

CPC classification number: C08F214/184 ,  C08F220/325 ,  C08F2/38 ,  C08L53/005 ,  C08G77/16

Abstract: A composition containing a (A) fluoropolyether group-containing polymer and a (B) siloxane polymer, wherein the fluoropolyether group-containing polymer is a copolymer represented by the following formula (1) or (2):

公开(公告)号：US20220235177A1

公开(公告)日：2022-07-28

申请号：US17692474

申请日：2022-03-11

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Kentarou HIRAGA ,  Akinari SUGIYAMA ,  Fumihiko YAMAGUCHI ,  Takashi NOMURA ,  Shouta SHIBUTANI ,  Shingo OKUNO

IPC: C08G65/00

Abstract: A fluoropolyether-containing compound of the following formula (1a): Ra—R2—R1—Rb (1a) wherein the symbols are as defined in the specification. Also disclosed is a fluoropolyether-containing compound of the following formula (1b): Ra—R2′—R1—Rb (1b), as well as a method for producing a compound of the formula (A): FOC—R2—R1—COOR12 (A) wherein the symbols are as defined in the specification.