DDP-Modified Copper Nanoparticles

High-Temperature Dispersion Stability

Reveals competitive adsorption mechanism induced by base oil polarity, guiding design of high-temperature-resistant nano-additives.

Kun, Han · Fan, Shuguang · Yang, Guangbin · Zhang, Chunli · Zhang, Shengmao · Zhang, Yujuan

Tribology International 2025

Advantages

Sedimentation temperature significantly lower than modifier decomposition temperature

Sedimentation rate varies with base oil polarity

Failure due to modifier desorption rather than structural change