C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 139/00 (2006.01) C10M 141/12 (2006.01)
Patent
CA 2235428
The invention relates to the use of an effective quantity of borated compounds having the following general formula I: Image in which X is S or O, and R is a hydrocarbyl group containing at least 3 carbon atoms, in particular between 3 and 50 carbon atoms and preferably between 3 and 17 carbon atoms, as an additive improving the compatibility of a lubricating oil composition, comprising dispersants containing basic nitrogen atoms, with fluorocarbon elastomers. In a preferred fashion, the compound of genral formula I is borated glycerol monooleate and the concentraion of the compound of general formula I is such that the % Boron/% basic N ratio of the lubricating composition varies from 0.25 to 5.
Cazin Jacques
Kleijwegt Peter
Kleiser William
Tequi Pierre
Chevron Chemical S.a.
Sim & Mcburney
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