Method for molding magnets and compositions for use therein

Details Method for molding magnets and compositions for use therein Method for molding magnets and compositions for use therein

1994-02-14

1994-10-18

Foelak, Morton

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...

252 6251, 252 6255, 252500, 252512, 252513, 252518, 252519, 524601, C04B 3500, C08K 310, C08L 6700

Patent

active

053569849

ABSTRACT:
Blends of metallic, preferably ferromagnetic, particles, macrocyclic oligomer compositions, especially poly(alkylene dicarboxylate) oligomers, and catalysts/initiators for polymerization of said macrocyclic oligomers are molded into magnets having high metal loadings, typically about 60-85% by volume. Compression molding of such blends can be conducted at relatively low pressures.

REFERENCES:
patent: 5191013 (1993-03-01), Cook et al.
patent: 5288447 (1994-02-01), Day
U.S. Patent application Serial No. 08/158,556, filed Nov. 27, 1993.

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