METHOD FOR OBTAINING HYDROPHOBIC FIRE-EXTINGUISHING POWDER COMPOSITION Russian patent published in 1995 - IPC

Abstract RU 2050876 C1

FIELD: production of fire-extinguishing composition. SUBSTANCE: method involves treating ground potassium chloride with alkylhalosilanes in vapor phase at 80-100 C, with air having absolute moisture content of 60-70 g/m³ being preliminarily supplied Hydrophobic potassium chloride is held at temperature of 110-120 C for 20-30 min. Hydrophobia of product is increased by 11-14% EFFECT: increased efficiency and improved quality of composition. 2 cl, 1 tbl

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RU 2 050 876 C1

Authors

Kolosov G.G.

Ponomareva R.M.

Sychev A.I.

Ivanov V.S.

Tsareva O.N.

Dates

1995-12-27—Published

1993-02-03—Filed