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公开(公告)号：US20240158599A1
公开(公告)日：2024-05-16
申请号：US18284596
申请日：2022-03-29
Applicant: NITTO DENKO CORPORATION
Inventor： Tomoya KATO , Tetsuya OTSUKA
CPC classification number: C08J9/228 , C08J9/20 , C08J2383/00 , C08J2425/06
Abstract: A composite material according to the present invention includes: a frame portion including a first resin; and a plurality of voids. The composite material includes a first layer and a second layer each placed along a periphery of each of the plurality of voids. The first layer includes a plurality of inorganic particles. The second layer includes at least one resin selected from the group consisting of the first resin and a second resin different from the first resin. Moreover, the second layer covers the first layer from a farther side of the first layer and faces the void, the farther side being farther from the frame portion.
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公开(公告)号：US20230124486A1
公开(公告)日：2023-04-20
申请号：US17915535
申请日：2021-03-30
Applicant: NITTO DENKO CORPORATION
Inventor： Tetsuya OTSUKA , Takanobu MIMURA , Tomoya KATO
IPC: C08J9/26 , C08F112/08 , C08K3/38 , C08J9/00
Abstract: A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids facing a wall surface of the solid portion. At least a portion of the inorganic particles is present on a wall surface. The plurality of voids are in contact with each other directly or via the inorganic particle. A heat transmission path stretching through the plurality of voids is formed of the inorganic particles in contact with each other.
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公开(公告)号：US20230159811A1
公开(公告)日：2023-05-25
申请号：US17915574
申请日：2021-03-30
Applicant: NITTO DENKO CORPORATION
Inventor： Tetsuya OTSUKA , Takanobu MIMURA , Tomoya KATO
CPC classification number: C09K5/14 , C08L83/04 , C08L67/06 , C08J9/26 , C08J9/0066 , C08K3/38 , C08L2203/14 , C08J2383/04 , C08J2367/06 , C08J2201/046 , C08J2205/044 , C08K2003/385 , C08K2201/001 , C08K2201/016 , C08K2201/005
Abstract: A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids surrounded by the solid portion. The composite material compressed by 10% has a reaction force of 0.1 kPa to 1000 kPa, and the composite material has a heat conductivity of 0.5 W/(m·K) or more. The heat conductivity is a value measured for one test specimen in a symmetric configuration according to an American Society for Testing and Materials (ASTM) standard (ASTM) D5470-01.
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Patent Agency Ranking
公开(公告)号：US20230135684A1
公开(公告)日：2023-05-04
申请号：US17915375
申请日：2021-03-30
Applicant: NITTO DENKO CORPORATION
Inventor： Tetsuya OTSUKA , Takanobu MIMURA , Tomoya KATO
Abstract: A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids surrounded by the solid portion. In the composite material, a value P1 determined by the following equation (1) is 6 or more. In the equation (1), a heat conductivity is a value measured for one test specimen in a symmetric configuration according to an American Society for Testing and Materials (ASTM) standard D5470-01. P1=(the heat conductivity [W/(m·K)] of the composite material/an amount[volume %] of the inorganic particles)×100 Equation (1).
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公开(公告)号：US20230126034A1
公开(公告)日：2023-04-27
申请号：US17915583
申请日：2021-03-30
Applicant: NITTO DENKO CORPORATION
Inventor： Tetsuya OTSUKA , Takanobu MIMURA , Tomoya KATO
Abstract: A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids surrounded by the solid portion. The composite material satisfies (i) and/or (ii). (i) P2 is 500 or more. (ii) The composite material has a heat conductivity of 0.5 W/(m·K) or more and a thickness of 0.5 mm to 2.5 mm, the void have an average diameter of 50 μm to 1500 μm, and P3 is 70% to 90%. P2=the heat conductivity [W/(m·K)] of the composite material×P3×100/an amount [volume %] of the inorganic particles P3 [%]=(F0−F1)×100/F0
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公开(公告)号：US20230137782A1
公开(公告)日：2023-05-04
申请号：US17915683
申请日：2021-03-30
Applicant: NITTO DENKO CORPORATION
Inventor： Tetsuya OTSUKA , Takanobu MIMURA , Tomoya KATO
Abstract: A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids surrounded by the solid portion. In the composite material, a ratio of a smallest heat conductivity of heat conductivities λx, λy, and λz respectively in x-axis, y-axis, and z-axis directions perpendicular to each other to a largest heat conductivity of the heat conductivities λx, λy, and λz is 0.8 or more.
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公开(公告)号：US20230133542A1
公开(公告)日：2023-05-04
申请号：US17914792
申请日：2021-01-19
Applicant: NITTO DENKO CORPORATION
Inventor： Mizuki YAMAMOTO , Tomoya KATO , Yukichi NAMIOKA
IPC: C23C16/04 , C23C16/40 , C23C16/455 , C23C14/00 , C08J9/224
Abstract: The present invention provides a method for producing a porous base material having a pore with a surface modified, the method being unlikely to limit a material of the porous base material and being suitable for controlling characteristics of the porous base material by introducing a polymer chain into a surface of a pore of the porous base material while inhibiting a change in a structure of the porous base material itself. The production method of the present invention includes: forming a base layer having a polymerization initiating group in such a manner as to cover a surface of a pore of a porous base material; and allowing a monomer group to be in contact with the base layer and thereby polymerizing the monomer group by the polymerization initiating group.
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公开(公告)号：US20230131295A1
公开(公告)日：2023-04-27
申请号：US17915578
申请日：2021-03-30
Applicant: NITTO DENKO CORPORATION
Inventor： Tetsuya OTSUKA , Takanobu MIMURA , Tomoya KATO
Abstract: A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids surrounded by the solid portion. The composite material has a heat conductivity of 0.5 W/(m·K) or more and a spring constant of 100 N/m to 70,000 N/m. The heat conductivity is a value measured for one test specimen in a symmetric configuration according to an American Society for Testing and Materials (ASTM) standard D5470-01.
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