H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 1/053 (2006.01) H01F 1/057 (2006.01) H01F 1/08 (2006.01)
Patent
CA 2047592
A highly rustproof resin-bonded magnet made by using a specific rustproofing resin for coating the particles of a magnetic powder, bonding them to form a molded body, or coating its surface, or for two or all of those purposes. The specific resin is selected from ones containing groups of atoms having a power of forming a coordinate bond and a reducing action. More specifically, it is (a) a high molecular compound produced by reacting with an epoxy resin one or more of a polyhydric phenol having adjacent hydroxyls, a polyhydric phenolic carboxylic acid having adjacent hydroxyls, an ester of a polyhydric phenol and a polyhydric alcohol having adjacent hydroxyls, and a polycyclic and polyhydric phenol having adjacent hydroxyls, (b) a redox resin as a reduction agent, or (c) a high molecular compound produced by curing a mixture of ascorbic acid, or a derivative thereof, and an epoxy resin.
Miki Shougo
Mohri Fumihito
Nomura Takuji
Borden Ladner Gervais Llp
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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