1 Lubricants on the base of calcium complex sulfonate with modified thickener structure Andrey Yasnovsky, Technical Director, TOTAL Lubrifiants Russia.

Requirements of the European market concerning the main types of lubricants
Resistance to high temperatures
Super high pressure
Corrosion protection
Water resistance
Self-recovery
Mechanical stability and resistance to shift
Good pumpability (providing the pressure in the centralised lubricant feed system is no lower than 60 bar)
Cost requirements: the average cost of lubricant with a Ca thickener does not exceed 10% - 25% of that of the most widespread Li thickener, even though it has higher operating attributes

(R - SO3)2Ca + CaCO3 (amorphous phase) + promoting agent + polar solvent → (R -SO3)2Ca + CaCO3
The process of slow homogenisation is very important for the future stable operation of the lubricant (TOTAL Ceran)
Thickener: basis of the technology

Thickener – base (standard)
Calcium sulphonate (composite)

Vaterite
Calcite
A poor barrier for water
Possible forms of CaCO3
Unstable system
The secret of the thickener – stable conditions of homogenisation, observance of the technology

New technologies: the additive is a part of the thickener
Ca
Ca
Ca
Ca
Ca
Ca
Ca
Ca
Ca
Ca
Ca
Carbonate
Organic chains
Size: 50 - 120 нм
Additives and admixtures

Advantages of the composite thickener technology

Qualitative improvement of indications

TOTAL CERAN : Properties
Advantages of the composite calcium thickener with modified additives.
Anti-wear properties
Anticorrosion properties
Thermal stability
Protective properties
Extreme pressure
Mechanical stability
Service and storage life

High-temperature attributes
Dropping point
CERAN – Wide temperature range of application

High operational attributes –
broad capabilities for use
Ferrous and non-ferrous metallurgy Woodworking and paper production
Application in marine units and mechanisms
Heavy-duty bearings