PROPHYLACTIC AGENT AGAINST FREEZING UP AND DOWN OF COAL, OVERBURDEN ROCKS AT TRANSPORTATION AND STORAGE
FIELD: mining.SUBSTANCE: prophylactic agent based on caprolactam obtained during production by oxidation of cyclohexane of a water solution of sodium salts of carbonic acids includes a multi-purpose additive of non-ionogenic SAS - a mixture of butyl ethers of propylene glycols of the following commo...
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Format: | Patent |
Sprache: | eng ; rus |
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