Low volatility functional fluids useful under conditions of...

Details Low volatility functional fluids useful under conditions of... Low volatility functional fluids useful under conditions of...

C - Chemistry, Metallurgy

10

M

C10M 171/02 (2006.01) C10G 45/08 (2006.01) C10G 45/62 (2006.01) C10G 45/64 (2006.01) C10G 65/04 (2006.01) C10M 105/04 (2006.01)

Patent

CA 2507672

This invention relates to functional fluids incorporating base stocks and base oils that exhibit an unexpected combination of high viscosity index (130 or greater) and a ratio of measured-to-theoretical high-shear/low-temperature viscosity at -30C or lower, and the methods of making them. Specifically, the present invention relates to low-volatility / low-viscosity functional fluids comprising novel base stocks, with particular performance advantages in lubricating materials under high thermal stress, and methods to produce them.

La présente invention a trait à des fluides fonctionnels incorporant des charges de base et des huiles de bases présentant une combinaison inattendue d'indice de viscosité (égal ou supérieur à 130) et un rapport de cisaillement élevé mesuré et théorique /viscosité à basse température égale ou inférieure à 30·C, et leurs procédés de fabrication. De manière plus spécifique, la présente invention a trait à des fluides fonctionnels peu volatiles/à faible viscosité comportant des charges de base, avec des avantages particuliers de rendement dans des matériaux de lubrification sous contrainte thermique élevée, et leurs procédés de production.

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