Export of anti wear additives to Russia

Description

Anti-wear additives are a crucial component in lubricants, designed to protect metal surfaces from wear and damage under high-pressure and high-temperature conditions. These additives work by forming a protective film or boundary layer between moving metal parts, reducing friction and preventing direct metal-to-metal contact. Here are some key types and functions of anti-wear additives commonly used in lubricants:

1. Zinc Dialkyldithiophosphate (ZDDP):
   • Function: ZDDP is one of the most widely used anti-wear additives in lubricants, particularly in engine oils.
   • Mechanism: It forms a sacrificial phosphate glass film on metal surfaces, protecting against wear and oxidation.
   • Applications: Used in gasoline and diesel engine oils, as well as some industrial lubricants.
2. Phosphorus Compounds:
   • Function: Phosphorus-based additives, such as organophosphates and phosphoric acid esters, provide anti-wear and extreme pressure (EP) properties.
   • Mechanism: They chemically react with metal surfaces to form protective films that reduce friction and wear.
   • Applications: Found in gear oils, hydraulic fluids, and industrial lubricants.
3. Organic Friction Modifiers:
   • Function: These additives reduce friction and wear by altering the frictional properties of the lubricant.
   • Mechanism: They adsorb onto metal surfaces, modifying the boundary conditions and reducing surface interactions.
   • Applications: Commonly used in engine oils and transmission fluids to improve fuel efficiency and shift quality.
4. Molybdenum Disulfide (MoS2):
   • Function: MoS2 is a solid lubricant that reduces friction and wear under boundary lubrication conditions.
   • Mechanism: It adheres to metal surfaces and provides a low-friction protective layer.
   • Applications: Often used in greases, assembly pastes, and specialty lubricants for extreme conditions.
5. Boron Compounds:
   • Function: Boron-based additives provide anti-wear and EP properties.
   • Mechanism: They react with metal surfaces to form a lubricious film that reduces friction and wear.
   • Applications: Used in gear oils, cutting fluids, and metalworking lubricants.
6. Anti-Oxidants and Corrosion Inhibitors:
   • Function: While primarily antioxidants and corrosion inhibitors, some additives also offer mild anti-wear protection by preventing surface degradation.
   • Mechanism: They prevent oxidation and corrosion, which can indirectly reduce wear and extend equipment life.
   • Applications: Found in a wide range of lubricants to protect metal surfaces from degradation.

These anti-wear additives are carefully formulated and blended into lubricants to meet specific performance requirements, such as reducing wear, extending equipment life, improving energy efficiency, and maintaining operational reliability under various operating conditions. Their effectiveness often depends on factors such as the type of lubricant, application conditions, and compatibility with other additives present in the formulation.