Additive mixtures

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 5/1575 (2006.01) C08K 5/24 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2539779

An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C1-C8alkyl, C1-C8alkoxy, hydroxy, halogen, C1-C8alkylthio, C1-C8alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7- membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one; another an integer from 2 to 10; the radicals A1, A2 and A3 are independently of one another C1-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; or C7- C12phenylalkyl, and the radicals A2 and A3 are additionally hydrogen; with the proviso that at least one of the radicals A1 and A2 is branched C3-C10alkyl, C5-C12cycloalkyl unsubstituted or substituted by 1 to 3 C1-C10alkyl; phenyl unsubstituted or substituted by 1 to 3 C1-C10oalkyl; or C7~-C12phenylalkyl; and component (C) is a lubricant or a mixture of lubricants.

L'invention concerne un mélange additif contenant les composants (A), (B) et éventuellement (C), dans lequel le composant (A) est au moins un composé de formule (I) dans laquelle p vaut 0 ou 1 ; m et n sont indépendamment l'un de l'autre un nombre entier compris entre 0 et 3 ; et les radicaux R sont indépendamment l'un de l'autre C¿1?-C¿8?alkyle, C¿1?-C¿8 ?alcoxy, hydroxy, halogène, C¿1?-C¿8?alkylthio, C¿1?-C¿8 ?alkylsulfoxy ou 2 radicaux R forment ensemble avec 2 atomes de carbone adjacents du noyau parent non saturé un noyau carbocyclique ou hétérocyclique comprenant entre 5 et 7 éléments ; le composant (B) est au moins un composé de formule (II) dans laquelle x et y sont indépendamment l'un de l'autre un nombre entier compris entre 2 et 10 ; les radicaux A¿1?, A¿2? et A¿3? sont indépendamment l'un de l'autre C¿1?-C¿10 ?alkyle, C¿5?-C¿12?cycloalkyle non substitué ou substitué par 1 à 3 C¿1?-C¿10?alkyle ; phényle non substitué ou substitué par 1 à 3 C¿1?-C¿10?alkyle ; ou C¿7?-C¿12 ?phénylalkyle, et les radicaux A¿2? et A¿3? sont en outre hydrogène, sous réserve qu'au moins un des radicaux A¿1 ?et A¿2? représente C¿3?-C¿10 ?alkyle ramifié, C¿5?-C¿12 ?cycloalkyle non substitué ou substitué par 1 à 3 C¿1?-C¿10 ?alkyle ; phényle non substitué ou substitué par 1 à 3 C¿1?-C¿10?alkyle ; or C¿7?-C¿12 ?phénylalkyle ; et le composant (C) est un lubrifiant ou un mélange de lubrifiants.

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