C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/34 (2006.01) C08F 210/16 (2006.01) C10L 1/24 (2006.01) C10M 143/02 (2006.01) C10M 143/12 (2006.01) C10M 143/14 (2006.01) C10M 151/02 (2006.01) C10M 151/04 (2006.01)
Patent
CA 2278430
A graft copolymer is disclosed. The copolymer is prepared by the interpolymerization of a mixture of monomers comprising ethylene, a C3 to C12 alpha monoolefin, and a polyene being a member selected from the group consisting of non-conjugated dienes and trienes. Grafted to the copolymer is a 2-mercapto-1,3,4,-triadiazole moiety. Lubricating oil additives and lubricating oils comprising the graft copolymer are also disclosed.
La présente invention concerne un copolymère greffé. On prépare ce copolymère par interpolymérisation d'un mélange de monomères contenant de l'éthylène, une monooléfine alpha de C3 à C12, et un polyène qui est un élément choisi dans le groupe constitué des diènes et triènes non conjugués. On greffe sur le copolymère une fraction de 2-mercapto-1,3,4-thiadiazole. L'invention concerne également des adjuvants d'huiles lubrifiantes et des huiles lubrifiantes contenant le copolymère greffé.
Baranski John R.
Migdal Cyril A.
Gowling Lafleur Henderson Llp
Uniroyal Chemical Company Inc.
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