Antioxidants for liquid hydrocarbons

Details Antioxidants for liquid hydrocarbons Antioxidants for liquid hydrocarbons

C - Chemistry, Metallurgy

07

C

44/29, 260/245.3

C07C 215/46 (2006.01) C07C 215/50 (2006.01) C07C 217/08 (2006.01) C07D 295/096 (2006.01) C07D 295/135 (2006.01) C08G 14/00 (2006.01) C10L 1/22 (2006.01) C10L 1/2383 (2006.01) C10L 1/24 (2006.01)

Patent

CA 2019320

Abstract of the Disclosure An antioxidant for liquid hydrocarbons such as fuels has the structure Image wherein X is N or S; R is H or a C1 to C5 alkyl moiety; R1 and R2 are each independently C5 to C18 alkyl or cycloalkyl moieties (which may optionally contain a hetero atom such as oxygen), only one of R1 and R2 being present if X is S, or may be combined to form a 5 or preferably 6 membered ring; each R6 is independently the residue of a C1 to C5 aldehyde; and R7 is the residue of a polyamine of the formula Image wherein R3 is a C8 to C50 alkyl moiety (which may optionally contain one or more ether linkages); R4 and R5 are each independently C2 to C6 alkylene moieties; a is 0 or 1; and m is at least 3. 8732

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