NANOCOMPOSITE MAGNETIC MATERIAL BASED ON POLYDIPHENYLAMINE AND NANOPARTICLES OF CO-FE AND A METHOD FOR PRODUCTION THEREOF Russian patent published in 2020 - IPC C08K3/08 H01F1/42 B82Y30/00 

Abstract RU 2724251 C1

FIELD: technological processes.

SUBSTANCE: invention relates to production of new structured hybrid nanocomposite magnetic materials based on electroactive polymers. Hybrid nanocomposite magnetic material includes a polymer matrix – polydiphenylamine (PDPA) and iron (Fe) and cobalt (Co) metal nanoparticles dispersed therein, with total content of Co-Fe nanoparticles in material of 2–45 wt% of weight of polymer matrix. Method of producing a hybrid nanocomposite magnetic material involves IR heating of a precursor. Precursor is obtained by combined dissolution of polydiphenylamine (PDPA) and cobalt and iron salts in an organic solvent with subsequent removal of solvent at 60–85 °C. Infrared heating is carried out in an argon atmosphere at temperature of 400–600 °C for 2–10 minutes.

EFFECT: higher magnetisation of saturation, heat resistance, simplified production of hybrid nanocomposite magnetic material.

5 cl, 18 dwg, 1 tbl, 23 ex

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RU 2 724 251 C1

Authors

Ozkan Sveta Zhiraslanovna

Karpacheva Galina Petrovna

Dates

2020-06-22Published

2019-11-05Filed