Preparation method of soft magnetic ferrimagnetics
A soft ferrite and magnet technology, which is used in the manufacture of inductors/transformers/magnets, inorganic material magnetism, electrical components, etc., to achieve the effects of good appearance quality, high dimensional accuracy and high strength
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Embodiment 1
[0013] Mix hydroxyethyl methacrylate (HEMA) and tetraethylene glycol diacrylate (TEGA) in a weight ratio of 10:1; add 5% by weight of the mixture, 3 % Dispersant Duramax TM D-3005, 0.17% ammonium persulfate, fully mixed to make a monomer solution; add soft magnetic ferrite powder to the monomer solution, mix well to make a stable suspension system; pour the suspension system to the molding In the mold, heat to 70°C, keep warm for 3 hours, then raise the temperature to 100°C, keep warm for 5 hours, demould, and dry. As described above, the present invention can be preferably realized.
Embodiment 2
[0015] Mix hydroxyethyl methacrylate (HEMA) with tetraethylene glycol diacrylate (TEGA) in a weight ratio of 20:1; add 10% by weight of the mixture to deionized water, 5 % Dispersant Duramax TM D-3007, 5% water-soluble polymer material PEO, 0.33% ammonium persulfate, fully mixed to make a monomer solution; add soft magnetic ferrite powder to the monomer solution, mix well to make a stable The suspension system; the suspension system is poured into a molding mold, heated to 65°C, kept for 6.5 hours, demoulded, and dried. As described above, the present invention can be preferably realized.
Embodiment 3
[0017] Hydroxyethyl methacrylate (HEMA) and tetraethylene glycol diacrylate (TEGA) were mixed according to a weight ratio of 30:1; adding 20% by weight of the mixture to deionized water, 10 % Dispersant Duramax TM D-3005, 10% water-soluble polymer material PVP, 0.67% ammonium persulfate, fully mixed to make a monomer solution; add soft magnetic ferrite powder to the monomer solution, mix well to make a stable The suspension system; the suspension system is poured into a molding mold, heated to 60°C, and kept for 3 hours, then the temperature is raised to 80°C, kept for 0.5 hours, demoulded, and dried. As described above, the present invention can be preferably realized.
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