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The Mechanism of Action of Detergents and Dispersants
Classification: Company News
Aug 13,2025
The Mechanism of Action of Detergents and Dispersants
In extremely cold climates or under low-temperature starting conditions, lubricating oil is prone to the accumulation of sludge, carbon deposits and sediment. This not only reduces the lubrication effect of the engine but may also lead to accelerated wear of mechanical components. To effectively improve the low-temperature dispersion performance of lubricating oil, detergents and dispersants are indispensable key additives.
Detergents and dispersants are a type of lubricating oil additive, and their molecular structure is usually composed of lipophilic chains and polar groups.
Polar groups can adsorb and encapsulate acidic substances, soot and sludge particles produced by combustion. The lipophilic chain uniformly suspends these impurities in the oil to prevent sedimentation. This suspension capacity is particularly important under low-temperature conditions because as the viscosity of the oil increases, particles are more likely to aggregate and settle.
#JD Lubricant Additive #Detergent-Dispersant Additive #Low-temperature Dispersibility
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