Abstract:
The invention provides certain iminoacetamides which have been prepared by reacting alkylamines with acetoacetamides, and their use as friction reducing additives in fuels and lubes.
Abstract:
Halogen-free fuel additives based on a long-chain hydrocarbon having a polar terminal group are obtained by reacting a hydroformylated olefin with a polyamine and hydrogenating the reaction product.
Abstract:
A method for scavenging sulfur species from a petroleum-derived medium is disclosed. The method comprises contacting the medium with sulfur species scavenging amount of an imine of the formula ##STR1## wherein x is an integer from 1 to 10, R' is an organic moiety having a number of valences equal to x, R.sub.1 is hydrogen or a mono-valent organic moieties and R is a mono-valent olefin moiety, provided that R and R.sub.1 contain a total of from about four to about forty carbon atoms. In an alternative embodiment, the imine is produced by a condensation reaction between an amine having at least one primary amino group and a carbonyl of the formula ##STR2## wherein R.sub.1 is hydrogen or a mono-valent organic moieties and R is a mono-valent olefin moiety, provided that R and R.sub.1 contain a total of from about four to about forty carbon atoms. In yet other embodiments, the imine is produced by a condensation reaction between an amine having at least one primary amino group and an aldehyde having at least one alpha-hydrogen in an aldehyde to primary amino group molar ratio of at least about 2:1, are also disclosed.
Abstract:
An additive for improving the dispersibility of a particulate substance in an organic medium, a thermoplastic polymer, or a thermosetting resin, is at least one compound having a ##STR1## bond in the molecule, including, for example, compounds having an oxazolinium ion in the molecule. The preferred additive compounds are oligomeric or polymeric.
Abstract:
Hydrogen sulfide gas evolution during storage or transport of petroleum residua is suppressed by the incorporation of an effective amount of certain imines.
Abstract:
A hydrocarbon fuel, especially a copper-sweetened aviation jet fuel, contains a metal deactivator which is an oxime of either an orthohydroxy aromatic ketone or .alpha.-hydroxy aliphatic ketone, or an imine of a diamine with an ortho hydroxy aromatic ketone, an alkyl substituted ortho hydroxy aromatic aldehyde or a -diketone. Preferred materials include oximes of 2-hydroxy-5-t-butyl benzophenone and 2-hydroxy-5-nonyl acetophenene and di-imines of ethylene and propylene diamines with benzoyl acetone, 5-t-octylsalicylaldehye or 2-hydoroxy-5-methyl butyrophenone.The metal de-activator is added in conventional proportions, typically about 5 to 10 ppm (by weight) to the fuel which may contain either conventional additives such as anti-static, anti-icing and corrosion inhibiting additives.
Abstract:
Disclosed is a reaction product and method for making same for use in supressing the ability of solubilized copper, iron, cobalt, nickel, chromium and manganese present in hydrocarbon liquids, such as gasoline and fuel oil, to catalyze oxidative degradation. The reaction product is obtained by reacting a 1,2-alkane diamine, a 2,4-dione and an ortho-hydroxy aromatic aldehyde, in stoichiometric proportions, preferably in an inert liquid medium. A preferred reaction product is that obtained by reacting ethylenediamine, 2,4-pentanedione and salicylaldehyde in a 1 to 1 to 1 mole ratio.
Abstract:
ORGANIC COMPOSITIONS ARE PROVIDED CONTAINING, AS IMPROVING AGENTS, COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF KETIMINES OF AMINOGUANIDINE, ALDIMINES OF KETIMINES OF AMINOGUANIDINE AND ALDIMINES OF AMIDES OF AMINOGUANIDINES. THESE COMPOUNDS ACT AS ANTIOXIDANTS AND METAL DEACTIVATORS FOR FUEL OILS, LUBRICATING OILS AND GREASES.