公开(公告)号：US20250101231A1

公开(公告)日：2025-03-27

申请号：US18730317

申请日：2023-02-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD. ,  Kyoto University

Inventor： Kazuo TANAKA ,  Masayuki GON ,  Yoshiki CHUJO ,  Ryo TAKEDA ,  Tomomi ITO ,  Kenji HARADA

IPC: C09B45/22 ,  C09B57/10 ,  C09C3/08 ,  G01N21/31

Abstract: A pigment of the present invention is a compound represented by General Formula (1) or General Formula (2) (in the above-described formulae, M is Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3), where R2 is an alkyl group or a phenyl group).

公开(公告)号：US20240018341A1

公开(公告)日：2024-01-18

申请号：US18029092

申请日：2021-09-29

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kenji HARADA ,  Tomomi ITO ,  Ryo TAKEDA

IPC: C08K9/08 ,  H01L33/56 ,  C08J3/07

CPC classification number: C08K9/08 ,  H01L33/56 ,  C08J2383/04 ,  H01L2933/005 ,  C08K2201/003 ,  C08J3/07

Abstract: A dispersion liquid according to the present invention contains metal oxide particles which have been surface-modified by at least one kind of silane compound and a solvent, the silane compound contains a methyl group or a methyl group and a hydrocarbon group having 2 or more carbon atoms, in a case where a transmission spectrum of the metal oxide particles that are obtained by drying the dispersion liquid by vacuum drying is measured within a wavenumber range of 800 cm−1 to 3,800 cm−1 with a Fourier transform infrared spectrophotometer, and values of the transmission spectrum are standardized such that a maximum value of the transmission spectrum in the range is 100 and a minimum value is 0, the following expression (1) is satisfied.


IA/IB≤3.5   (1)

公开(公告)号：US20230416500A1

公开(公告)日：2023-12-28

申请号：US18029098

申请日：2021-09-29

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kenji HARADA ,  Tomomi ITO ,  Ryo TAKEDA

IPC: C08K9/06 ,  C08K3/22 ,  C09C3/08 ,  C08L83/04 ,  H01L33/56

CPC classification number: C08K9/06 ,  C08K3/22 ,  C08K2003/2244 ,  C08L83/04 ,  H01L33/56 ,  C09C3/08

Abstract: In a dispersion liquid according to the present invention, regarding metal oxide particles that are obtained by vacuum-drying a dispersion liquid containing metal oxide particles which have been surface-modified by a methyl group and a phenyl group in a predetermined ratio, in a case where a transmission spectrum in a wavenumber range of 800 cm−1 or higher and 3,800 cm−1 or lower is measured by FT-IR, and values of the transmission spectrum are standardized, IA/IB≤3.5 is satisfied (IA represents a spectrum value standardized at 3,500 cm−1, and IB represents a spectrum value standardized at 1,100 cm−1).

公开(公告)号：US20230102420A1

公开(公告)日：2023-03-30

申请号：US17910829

申请日：2021-03-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Tomomi ITO ,  Kenji HARADA ,  Takeshi OTSUKA

IPC: C08K9/06 ,  C08K3/22 ,  C09D183/04

Abstract: A dispersion liquid contains a metal oxide particle surface-modified with a silane compound and a silicone compound, when a transmission spectrum of the metal oxide particles that are obtained by vacuum-drying the dispersion liquid is measured in a wavenumber range of 800 cm−1 or more and 3800 cm−1 or less with FT-IR, IA/IB≤3.5 is satisfied (IA is a spectrum value at 3,500 cm−1 and IB is a spectrum value at 1,100 cm−1), and, when the dispersion liquid and methyl phenyl silicone are mixed such that a mass ratio of a total mass of the metal oxide particles and the surface-modifying material to a mass of methyl phenyl silicone becomes 30:70 and the hydrophobic solvent is removed, a viscosity is 9 Pa·s or less.

公开(公告)号：US20220177709A1

公开(公告)日：2022-06-09

申请号：US17599461

申请日：2020-03-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Tomomi ITO ,  Kenji HARADA ,  Takeshi OTSUKA

IPC: C09C3/12 ,  H01L33/56 ,  C09C3/10 ,  C01G25/02 ,  C09D183/04 ,  C09D7/62 ,  C09D7/40

Abstract: A dispersion liquid according to the present invention is a dispersion liquid containing metal oxide particles which have been surface-modified with a silane compound and a silicone compound, in which, when the dispersion liquid is dried by vacuum drying to separate the metal oxide particles, and a transmission spectrum of the separated metal oxide particles is measured in a wavenumber range from 800 cm−1 to 3800 cm−1 with a Fourier transform infrared spectrophotometer, Formula (1) below: IA/IB≤3.5 is satisfied (in the formula, “IA” represents a spectrum value at 3500 cm−1 and “IB” represents a spectrum value at 1100 cm−1).

公开(公告)号：US20180062049A1

公开(公告)日：2018-03-01

申请号：US15555972

申请日：2015-03-06

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Takeshi OTSUKA ,  Kenji HARADA

IPC: H01L33/50 ,  C08G59/42 ,  H01L33/58 ,  C08K3/22 ,  C08K9/02 ,  C08K9/06 ,  H01L33/56

Abstract: By using a composition for forming a light scattering composite, including surface-modified inorganic oxide particles surface-modified by a surface modification material having one or more functional groups selected from an alkenyl group, an H—Si group, and an alkoxy group, and an uncured matrix resin composition, in which an average dispersed particle diameter of the surface-modified inorganic oxide particles is 3 nm or more and 150 nm or less, and a content of the surface-modified inorganic oxide particles is 0.01% by mass or more and 15% by mass or less in a total solid content, it is possible to provide a white optical semiconductor light emitting device which has excellent light transmitting properties and scattering properties even if the content of light scattering particles is reduced, and as a result, further suppresses blue light irradiation and enhances a white light luminance, while enhancing color rendering properties.

公开(公告)号：US20230365787A1

公开(公告)日：2023-11-16

申请号：US18029101

申请日：2021-09-29

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kenji HARADA ,  Tomomi ITO ,  Ryo TAKEDA

IPC: C08K9/08 ,  C08J3/07 ,  C09J11/04 ,  C09J183/04

CPC classification number: C08K9/08 ,  C08J3/07 ,  C09J11/04 ,  C09J183/04 ,  C08J2383/04 ,  C08K2201/014

Abstract: In a dispersion liquid according to the present invention, regarding metal oxide particles that are obtained by vacuum-drying a dispersion liquid containing the metal oxide particles which have been surface-modified by at least one kind of a silane compound containing a methyl group and a hydrocarbon group having 2 or more carbon atoms and at least one kind of silicone compound, in a case where a transmission spectrum in a wavenumber range of 800 cm-1 or higher and 3,800 cm-1 or lower is measured by FT-IR, and values of the transmission spectrum are standardized, the following expression (1) is satisfied.
IA/IB ≤ 3.5 (1)
(“IA” represents a spectrum value standardized at 3,500 cm-1, and “IB” represents a spectrum value standardized at 1,100 cm-1).

公开(公告)号：US20220195202A1

公开(公告)日：2022-06-23

申请号：US17599562

申请日：2020-03-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Tomomi ITO ,  Kenji HARADA ,  Takeshi OTSUKA

IPC: C09C3/12 ,  C09C1/00 ,  C08K9/06

Abstract: Provided is a method for surface-modifying inorganic particles having a mixing step of mixing at least a surface-modifying material and the inorganic particles to obtain a liquid mixture and a dispersion step of dispersing the inorganic particles in the liquid mixture, in which a content of the inorganic particles in the liquid mixture is 10% by mass or more and 49% by mass or less, and a total content of the surface-modifying material and the inorganic particles in the liquid mixture is 65% by mass or more and 98% by mass or less.

公开(公告)号：US20250136789A1

公开(公告)日：2025-05-01

申请号：US18837880

申请日：2023-03-28

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Ryo TAKEDA ,  Tomomi ITO ,  Kenji HARADA

IPC: C08K9/06 ,  C08L101/00

Abstract: A dispersion liquid including metal oxide particles surface-modified with a surface-modifying material, and a hydrophobic solvent, where said particles have a refractive index of 1.70 or higher and 2.00 or lower, the surface-modifying material includes a silane compound and a silicone compound, the silane compound includes a methyl group-containing silane compound, and if the dispersion liquid and methyl phenyl silicone are mixed so a total mass ratio of said particles and the surface-modifying material to methyl phenyl silicone is 7:93, thereby obtaining a cured product having a thickness of 1 mm, a scattering fraction at a wavelength of 450 nm of the cured product is 17% or more and 38% or less, and a value obtained by dividing the scattering fraction at a wavelength of 450 nm of the cured product by a scattering fraction at a wavelength of 600 nm of the cured product is 1.25 or higher.

公开(公告)号：US20180323124A1

公开(公告)日：2018-11-08

申请号：US15739748

申请日：2016-06-22

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： TAKERU YAMAGUCHI ,  Yasuyuki KURINO ,  Takeshi OTSUKA ,  Yoichi SATO ,  Kenji HARADA

IPC: H01L23/29 ,  B32B27/28 ,  C08L83/04

CPC classification number: H01L23/293 ,  B32B27/283 ,  B32B2457/14 ,  B32B2581/00 ,  C08K9/04 ,  C08L83/04 ,  C08L2203/206 ,  H01L23/06 ,  H01L23/08 ,  H01L23/28 ,  H01L23/29 ,  H01L23/296 ,  H01L23/31 ,  H01L33/52 ,  H01L33/56

Abstract: A curable silicone resin composition is provided, including (A) a curable silicone resin-forming component of which a viscosity is 0.02 Pa·s or greater and 100 Pa·s or less, (B) surface-modified metal oxide particles which are surface-modified by a surface-modifying material having a reactive functional group and have an average primary particle diameter of 3 nm or more and 10 nm or less, and (C) a silicone compound having a reactive functional group of which a viscosity is less than the viscosity of the (A) component and is 0.01 Pa·s or greater and 1.0 Pa·s or less and having a content of 0.1% by mass or more and 15% by mass or less based on a total amount of the composition, in which a viscosity is 1.0 Pa·s or greater and 100 Pa·s or less.