Sulfur-containing organophosphorus compounds

Details Sulfur-containing organophosphorus compounds Sulfur-containing organophosphorus compounds

C - Chemistry, Metallurgy

07

F

C07F 9/141 (2006.01) C07F 9/09 (2006.01) C07F 9/40 (2006.01) C10M 137/02 (2006.01) C10M 137/04 (2006.01) C10M 137/10 (2006.01) C10M 137/14 (2006.01)

Patent

CA 2294851

New sulfur-containing organophosphorus compounds of general formulae (I) and (II) and processes for producing the same; additives for lubricating oils, which contain the sulfur-containing organophosphorus compounds; and lubricating oil compositions satisfying requirements of extreme-pressure lubrication and abrasion resistance under severe conditions of high loads imposed, on automatic or continuously variable transmissions or the like. In said formulae, R1 is a hydrocarbon group having 6 to 20 carbon atoms; R2 is a divalent hydrocarbon group having 1 to 6 carbon atoms; n is an integer of 1 to 3; p is an integer of 0 to 2; and q is an integer of 0 or 1, with the proviso that p and q cannot be 0 at the same time.

L'invention concerne de nouveaux composés organophosphoreux renfermant du soufre, qui sont représentés par les formules générales (I) et (II), et des procédés de production de ceux-ci; des additifs pour huiles lubrifiantes qui contiennent les composés organophosphoreux renfermant du soufre; et des compositions d'huiles lubrifiantes remplissant des conditions requises de lubrification sous des pressions extrêmes et de résistance à l'abrasion dans des conditions difficiles de fortes charges, dans des transmissions à changement de vitesses automatique ou continu, ou analogue. (Dans ces formules, R?1¿ est un groupe hydrocarbure possédant de 6 à 20 atomes de carbone; R?2¿ est un groupe hydrocarbure divalent possédant de 1 à 6 atomes de carbone; n est un nombre entier compris entre 1 et 3; p est un nombre entier compris entre 0 et 2; et q est un nombre entier égal à 0 ou 1, à condition que p et q ne soient pas 0 en même temps).

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