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Priority to RO83112586ApriorityCriticalpatent/RO88000A2/ro
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Publication of RO88000A2publicationCriticalpatent/RO88000A2/ro
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedeu pentru prepararea azobisizobutironitrilului consta în aceea ca, se supune oxidarii hidrazobisizobutironitrilului cu o solutie de hipoclorit de sodiu continînd 12% clor activ în prezenta de bromura de sodiu sau de potasiu, sau amestecurile acestora, acid sulfuric si apa la temperaturi cuprinse între 10...30 degree C si la presiune atmosferica prin agitare continua mentinînd timpul de reactie între 1/4...4 h.
RO83112586A1983-11-181983-11-18Procedeu pentru prepararea azobisizobatironitrilului
RO88000A2
(ro)
Purification of reaction mixture produced on manufacturing 2,3-epoxypropyltrialkylammonium chloride by treating chlorohydroxypropyltrialkylammonium chloride with alkali functional substance in aqueous medium