METHOD FOR PRODUCING POLYMERIC MAGNETIC COMPOSITIONS ON NANOMETRIC FERRITE PARTICLES FOR PIECES OF RADIO EQUIPMENT Russian patent published in 2008 - IPC H01F10/00 H01F1/113 

Abstract RU 2315382 C1

FIELD: electrical engineering; high-frequency radio equipment incorporated in motor vehicle electrical equipment.

SUBSTANCE: proposed method includes production of polymeric composition that has thermoplastic polymeric matrix with nanometric ferrite particles introduced therein by way of high-speed thermal decomposition; in the process of decomposing metal-containing compounds in polymer melt the latter is subjected in addition to short-pulse electrical discharge at high voltage of 15-20 kV for 1-10 μs, pulse number being 80 to 100.

EFFECT: stabilized particle-size composition and uniform distribution of ferrites in matrix.

3 cl, 1 dwg, 1 tbl, 4 ex

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RU 2 315 382 C1

Authors

Sevost'Janov Vladimir Petrovich

Rakitin Sergej Aleksandrovich

Kosobudskij Igor' Donatovich

Kholkina Tat'Jana Vladimirovna

Zhukova Ekaterina Mikhajlovna

Dates

2008-01-20Published

2006-07-20Filed