| abstract |
The present invention comprises a calcium lignosulfonate having an average molecular weight (weight average) of more than 10000 g / mol, together with a lubricating base oil, a calcium soap group, and optionally an alkaline earth lignosulfonate, to prepare a base grease. To this end, lubricating greases containing calcium lignosulfonate which can be prepared by heating to above 120 ° C., removing low boiling point components, cooling and adding lubricating base oils and optionally other additives, and the The present invention relates to a process for producing and lubricating grease containing calcium lignosulfonate. |