Lubricant blend composition

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 111/04 (2006.01) C10M 101/02 (2006.01) C10M 105/04 (2006.01) C10M 107/04 (2006.01) C10M 107/08 (2006.01) C10M 107/10 (2006.01) C10M 143/02 (2006.01) C10M 143/06 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2477331

A fluid blend suitable for use as a lube basestock comprises two major components: (A) a copolymer made from ethylene with one or more alpha olefins, the copolymer (i) containing not more than 50wt% ethylene; (ii) having a number average molecular weight of from 400 to 10,000; and (iii) a molecular weight distribution <3; and (B) a polyalphaolefin fluid or a hydroprocessed oil having a VI greater than 80.

La présente invention concerne un mélange liquide à utiliser en tant qu'huile de base lubrifiante. Ce mélange comprend deux principaux composants : (A) un copolymère produit à partir d'éthylène avec une ou plusieurs alpha oléfines, le copolymère (i) ayant une teneur en éthylène inférieure ou égale à 50 % en poids; (ii) présentant un poids moléculaire moyen en nombre qui va de 400 à 10 000; et (iii) une répartition de poids moléculaire < 3; et (B) un liquide à base de polyalphaoléfine ou une huile hydrotraitée présentant un VI supérieur à 80.

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