Pour Point Depressants and Viscosity Index Improvers for Lubri-cating Oil: A Mini-Review (E-pub Ahead of Print)
Background and Objective: This work briefly describes the composition of the lubricat-ing oiland the types of flow improvers, pointing out the advantages of nano-hybrid pour point de-pressant and some common types of nano-hybrid pour point depressant. The author summarizes the experimental instruments and methods which were commonly used in the study of the mechanism of pour point， pointing out the factors that affect its effect on the lubricating oil. The mechanism of the action of the pour point depressant and the viscosity index improvers in lubricating oil are described.
Conclusion: The author describes the preparation, design and application of the environment-friendly pour point depressant, which helps researchers to study the lubricating oil pour point de-pressants.
Keywords: base lubricating Oil, flow improvers, mechanism and method, environment-friendly
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