公开(公告)号：US20230391983A1

公开(公告)日：2023-12-07

申请号：US18255237

申请日：2021-12-02

Applicant: SHOWA DENKO MATERIALS CO., LTD.

Inventor： Motoki YONEKURA ,  Motohiro ARIFUKU ,  Kosuke URASHIMA

IPC: C08K3/22

CPC classification number: C08K3/22 ,  C08K2201/01

Abstract: Provided is a paste including: a metallic element-containing powder; an epoxy group-containing compound; and a curing agent, wherein a thermogravimetric reduction rate is 5% or less after heat curing at 180° C. The paste can be suitably used as a material for a magnetic core of an inductor or as a material for filling between conductors of a coil, and is capable of easily providing a formed body having excellent insulation properties.

公开(公告)号：US20230250257A1

公开(公告)日：2023-08-10

申请号：US18014592

申请日：2021-07-13

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Kazumasa TAKEUCHI ,  Teruo ITOH ,  Arisa TAIRA ,  Kosuke URASHIMA

IPC: C08K5/098 ,  C08K5/5435 ,  C08K3/08 ,  H01F1/057 ,  B22F1/102 ,  B22F3/02 ,  B22F1/107 ,  B22F1/103

CPC classification number: C08K5/098 ,  C08K5/5435 ,  C08K3/08 ,  H01F1/0571 ,  B22F1/102 ,  B22F3/02 ,  B22F1/107 ,  B22F1/103 ,  C08K2201/01 ,  C08K2003/0856 ,  B22F2003/248

Abstract: A compound for bonded magnet that increases the mechanical strength (for example, crushing strength) of a bonded magnet is provided. The compound for bonded magnet includes a magnetic powder, an epoxy resin, a curing agent, a coupling agent, and a metal salt, and the metal salt is represented by R2M, in which R represents a saturated fatty acid group having 6 or more and 10 or less carbon atoms, while M represents at least one metal element between Ca and Ba.

公开(公告)号：US20230191480A1

公开(公告)日：2023-06-22

申请号：US17925731

申请日：2021-07-08

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Arisa TAIRA ,  Chio ISHIHARA ,  Teruo ITOH ,  Kosuke URASHIMA ,  Kazumasa TAKEUCHI

IPC: B22F1/102 ,  B22F1/16 ,  B22F3/00 ,  H01F1/26 ,  H01F1/33 ,  H01F27/255

CPC classification number: B22F1/102 ,  B22F1/16 ,  B22F3/00 ,  H01F1/26 ,  H01F1/33 ,  H01F27/255 ,  B22F2999/00

Abstract: A compound for dust core includes a metal powder including iron, a resin composition, and a metal salt, in which the metal salt is represented by R2M, R represents a saturated fatty acid group having 6 or more and 12 or less carbon atoms, and M represents at least one metal element between Ca and Ba.