Triphenyl-Thiophosphate

Description

Product Introduction

The product possesses excellent properties of extreme pressure, antiwear, thermal-stability and color stability.

Application

The product is used for blending antiwear hydraulic oils, gear oils, oil film bearing oils, aviation lubricating oil , turbine oils and hydraulic transmission oils, etc. It is also used in automobile gear oils and industrial gear oils.

Reference Dosage

The recommended dosage is 0.5% ~3.0%.

• Our advanced laboratory specializes in high-temperature lubricant performance evaluation, ensuring oils and greases can withstand extreme thermal conditions without degradation.
• Key high-temperature testing includes:
  ✅ Thermogravimetric Analysis (TGA, ASTM D6370) – Measures thermal stability and decomposition temperatures.
  ✅ Rotating Pressure Vessel Oxidation Test (RPVOT, ASTM D2272) – Evaluates oxidation resistance and lubricant lifespan under heat exposure.
  ✅ High-Temperature High-Shear (HTHS, ASTM D4683) – Assesses viscosity retention under extreme heat and high shear rates.
  ✅ Noack Volatility Test (ASTM D5800) – Determines lubricant evaporation loss at 250°C, critical for engine and industrial oils.
  ✅ Simulated Turbocharger Deposit Test (CEC L-105-12) – Evaluates deposit formation in high-temperature turbocharged applications.
  ✅ Oxidation Stability Test (ASTM D943, ASTM D4310) – Measures lubricant oxidation resistance for hydraulic fluids, turbine oils, and industrial lubricants.
  ✅ Grease Dropping Point Test (ASTM D2265) – Determines the temperature at which grease softens and loses structure.

Triphenylthiophosphate lubricating oil additive is an important additive and is widely used in the field of lubricating oil. It has excellent lubrication properties and antioxidant properties, which can effectively improve the quality and stability of lubricating oil.

Triphenylphosphorothioate is an organic compound consisting of a phosphate group connected to three phenyl groups. The molecular structure of this compound contains phosphate groups and phenyl groups, giving it unique physical and chemical properties and lubricating properties. The molecular formula of triphenylphosphorothioate is C18H15O4P.

Properties and characteristics of triphenylphosphorothioate lubricating oil additives

Lubricating properties
Triphenylthiophosphate is an additive with good lubrication properties, which can effectively reduce the friction coefficient, reduce wear, and improve the load-carrying capacity of lubricating oil. Its lubrication performance is mainly due to the phosphate ester group in its molecular structure, which can form a dense protective film on the metal surface and play an anti-wear and friction-reducing role.

Antioxidant properties
Triphenylthiophosphate also has excellent antioxidant properties, which can effectively delay the deterioration of lubricating oil and improve the stability and reliability of the lubrication system. Its antioxidant properties benefit from the phenyl group in its molecular structure, which has strong antioxidant ability and can inhibit the occurrence of oxidation reactions.

Corrosion resistance
Triphenylthiophosphate also has anti-corrosion properties, effectively protecting metal surfaces from corrosion. Its anti-corrosion performance is mainly due to the phosphate group and phenyl group in its molecular structure. These two groups work together to effectively inhibit the occurrence of corrosion reactions.