Magnetic powder for bonded magnets, composition for bonded magne

Details Magnetic powder for bonded magnets, composition for bonded magne Magnetic powder for bonded magnets, composition for bonded magne

1995-05-17

1996-11-26

Szekely, Peter A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524436, 252 6254, 252 6256, 252 6263, C08K 310, C04B 3526

Patent

active

055786707

ABSTRACT:
A magnetic powder for bonded magnets is obtained by subjecting starting magnetic particles to agitation in a high speed air stream whereby individual particles are mechanically impacted with one another by the action of the stream. A magnetic composition comprising the magnetic powder and a resin binder is also described wherein the magnetic powder can be highly packed in the resin binder to ensure good fluidity of the composition. The magnetic composition can be prepared by mixing magnetic particles and a resin binder powder, subjecting the mixture to agitation in a high speed air stream for impactness of the particles and heading the mixture or by subjecting magnetic particles to agitation in a high speed air stream, mixing the agitated particles with a powder of a resin binder and heading the resultant mixture.

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patent: 5354638 (1994-10-01), Harada

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