FIELD: chemistry.
SUBSTANCE: invention relates to composition of rheological additive. Rheological additive for fire-extinguishing powder compositions includes spherical particles of silicon dioxide with size of 200 nm together with particles of silicon dioxide with size of 7 nm at ratio of components 80/20 wt. %, hydrophobisated polymethylhydride siloxane in medium of organic solvent with ratio of components of silicon oxide/hydrophobisator - 95/5 wt. %.
EFFECT: higher fluidity of fire-extinguishing powder composition, excluding caking of components, imparting hydrophobic properties.
1 cl, 2 dwg, 1 tbl, 1 ex
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Authors
Dates
2020-06-11—Published
2018-08-27—Filed