FIELD: chemistry.
SUBSTANCE: in the method, octogene is dissolved in an organic solvent - dimethyl sulphoxide or dimethyl formamide or e-caprolactan at temperature from 50°C to 100°C, after which the solution is dosed for 1-5 minutes, while stirring, into a prepared water/toluene emulsion at temperature not higher than 6°C and weight ratio of solution/emulsion equal to 1/1.5-3, such that temperature does not rise above 30°C, after which the product is filtered from the mother solution. The obtained product is transferred to an apparatus with a mixer in which there is free water/toluene emulsion and then stirred for 15-30 minutes and then filtered once more. The filtrate is washed with alcohol and then with petroleum ether. The washed product is taken for drying. The optimum ratio of the water/toluene emulsion is equal to 1/1-4. The end product is preferably washed with isopropyl alcohol. The preferred petroleum ether has boiling point not higher than 70°C.
EFFECT: obtaining ultrafine octogene using a simple and cheap method, where said ultrafine octogene is suitable for use in military equipment, mining industry and construction.
4 cl, 1 ex
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Authors
Dates
2011-06-10—Published
2009-11-05—Filed