C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 143/12 (2006.01) C10M 129/54 (2006.01) C10M 143/10 (2006.01)
Patent
CA 2658630
The air release rate of lubricating compositions is significantly enhanced when the composition is formulated with one or more vinyl aromatic-olefin block copolymers that forms a micelle-like structure in the oil. Compositions having the specified copolymers retain less than about 2.5% air after 1 min. at 50°C when tested by ASTM D 3427.
La vitesse de désaération de compositions lubrifiantes est notablement améliorée lorsque la composition est formulée avec un ou plusieurs copolymères blocs aromatique vinylique-oléfine qui forment une structure de type micelle dans l'huile. Des compositions comportant les copolymères spécifiés retiennent moins de 2,5% d'air environ au bout d'une minute à 50°C sous test ASTM D 3427.
Baillargeon David J.
Deckman Douglas E.
Horodysky Andrew G.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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