FIELD: chemistry.
SUBSTANCE: wet grinding of a stoichiometric mixture of barium carbonate and iron oxide is carried out in an acidic medium containing polyacrylic acid and isopropanol at the following ratio, wt %: polyacrylic acid 0.2-0.6, isopropyl alcohol 4-10, water 28-45, stoichiometric mixture of barium carbonate and iron oxide - the rest.
EFFECT: increased coercive force of barium hexaferrite magnetization, and increased activity during raw ferrite components mixture, resulting in substantial firing temperature reduction.
3 ex, 1 tbl
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