Verfahren zur Herstellung eines Verbundstoffs für Gebundene Magnete, und Verbundstoff für Gebundene Magnete

Details

Veröffentlichungs-Nr.

EP3514807

Aktenzeichen

EP19152690

Anmeldetag

21. Januar 2019

Veröffentlichung

15. September 2021

Erteilung

15. September 2021

Rechtsraum

EP

IPC

B22F1/00H01F1/059// B29B7/00B29B7/46B29B9/06B29B9/12B22F1/02B22F3/20B22F3/22B22F9/04C22C33/02

Abstract

Method of preparing a compound for bonded magnets, the method including: coating a magnetic material having an average particle size of 10 μm or less with a thermosetting resin and a curing agent at a ratio of the equivalent weight of the curing agent to the equivalent weight of the thermosetting resin of 2 or higher and 10 or lower to obtain a coated material; granulating the coated material by compression to obtain a granulated product; milling the granulated product to obtain a milled product; and surface treating the milled product with a silane coupling agent to obtain a compound for bonded magnets, the method either including, between the granulation and the milling, heat curing the granulated product to obtain a cured product, or including, between the milling and the surface treatment, heat curing the milled product to obtain a cured product.

Anmelder

Firma

NICHIA CORPORATION

Land

🇯🇵 Japan

Fachgebiete