Corrosion inhibitor/metal passivator additive composition from waste refinery streams
申请人:Mondal Kumar Pankaj
公开号:US20050032654A1
公开(公告)日:2005-02-10
The reaction of the disulphided oil, as obtained from the caustic wash of liquefied petroleum gas, with 2,3,8,9,13,14-hexathia-5,6,11,12-tetraz [8.2.1.14,7]tetradeca4,6,10,12-tetraene was carried out in one pot and one step to yield a corrosion inhibiting composition comprising predominantly of 2,5-bis(methyldithio)-1,3,4-thiadiazole, 2-methylthio-5-ethylthio-1,3,4-thiadiazole and 2,5-bis(ethyldithio)-1,3,4-thiadiazole, for application in fuels, lubes and greases. (I)