High molecular weight dispersant compositions and their...

Details High molecular weight dispersant compositions and their... High molecular weight dispersant compositions and their...

C - Chemistry, Metallurgy

10

M

C10M 171/06 (2006.01) C10M 129/04 (2006.01) C10M 129/76 (2006.01) C10M 133/08 (2006.01) C10M 133/54 (2006.01) C10M 133/56 (2006.01) C10M 159/20 (2006.01) C10M 159/22 (2006.01) C10M 159/24 (2006.01) C10M 163/00 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2327836

Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one surface-active agent comprising a low molecular weight hydroxyl or amine group.

Pour préparer des concentrés destinés à des compositions d'huiles lubrifiantes, on mélange à une température élevée : (i) au moins un dispersant sans cendre de haut poids moléculaire ; (ii) au moins un détergent métallique hyperbasique soluble dans l'huile ; et (iii) au moins un agent de surface renfermant un groupe hydroxyle ou amine de faible poids moléculaire.

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