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Engine lubricating oil undergoes a series of chemical and physical changes during its service life, which may lead to a loss of engine performance and affect fuel economy. The impact of this on the fuel economy of engine oil, as well as other problematic factors such as corrosion, cleanliness, emissions, etc., can be estimated from tests designed by the International Committee for Standardization and Approval of Lubricants (ILSAC), which introduced fuel economy maintenance combustion engine testing (test sequence VIB) starting from the GF-3 standard. With the subsequent release of GF-4, GF-5, and the upcoming GF-6, these requirements will be regulated more stringently. The importance of understanding how and why modern additives are not suitable for their intended use is evident in developing new lubricant formulations with enhanced durability characteristics.

Due to the complexity of the process, the degradation mechanism of oil-containing molybdenum dithiocarbamate (MoDTC) is still not fully understood. To better understand the working principle of MoDTC additives at the molecular level, the correlation between their chemical behavior in bulk oil during thermal oxidation degradation and their ability to reduce friction has been studied. The combination of high-performance liquid chromatography (HPLC), Fourier transform infrared spectroscopy (FT-IR), and mass spectrometry (MS) techniques provides a wealth of detailed information on the complex chemical components involved in the degradation process. Finally, the relationship between the consumption of MoDTC additives and their friction reduction effect was studied, and the hypothesis of the chemical pathway followed by MoDTC during thermal oxidation degradation was proposed.

https://youtu.be/vMgZteh6a-M

(MODTC)

MODTC, also known as molybdenum dialkyl dithiocarbamate, is an organic molybdenum compound. It is usually used as an additive in lubricating oil, especially in engine oil for automobiles and other mechanical equipment. The molecular structure of MODTC contains molybdenum, sulfur, and organic groups, which give it excellent anti-wear and anti-friction properties.

The characteristics of MODTC

  1. Excellent wear resistance: MODTC can form a protective film on the metal surface, significantly reducing direct contact between metals and reducing wear.
  2. High-temperature stability: In high-temperature environments, MODTC can maintain its chemical stability, effectively protecting the engine from the impact of high-temperature wear.
  3. Environmentally friendly: Unlike other additives, MODTC produces fewer harmful substances during decomposition and has a smaller environmental impact.
  4. Strong interaction with metal surface: The sulfur and molybdenum atoms in MODTC molecules can strongly interact with the metal surface, determining a stable chemical adsorption layer.
(MODTC)

Application of MODTC

  1. Automotive engine oil: MODTC is an important additive in automotive engine oil, which can significantly improve the anti-wear performance of the engine and extend its service life.
  2. Industrial lubricating oil: In the industrial field, MODTC is also widely used in various lubricating oils, such as gear oil, hydraulic oil, etc., to improve the operating efficiency and service life of mechanical equipment.
  3. Metal working fluid: In the metal working process, MODTC can be used as an additive for cutting or grinding fluids, effectively reducing tool wear and enhancing the surface quality of the workpiece.
  4. In addition to the above applications, MODTC may play an important role in transportation fields such as aerospace, ships, and railways and industrial fields such as heavy machinery and power generation equipment.
(MODTC)

Supplier

TRUNNANO is a supplier of molybdenum disulfide with over 12 years of experience in the manufacturing of chemical materials. It accepts payments through credit cards, T/T, Western Union transfers, and PayPal. Trunnano will ship the goods to overseas clients through FedEx, DHL, and air or sea freight. If you are looking for high-quality MODTC, please get in touch with us and send us an inquiry.

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