Study on Preparation and Properties of Surface Modified Rare Earth Compound Nanoparticles as Additives in Lubricating Oil

Study on Preparation and Properties of Surface Modified Rare Earth Compound Nanoparticles as Additives in Lubricating Oil
　　Recently, studies on the nanometer particle , size of which varies between 1-100nm , have been the one of the most active domains in chemistry , physics and material science. Comparing to molecular material and block body material, nanometer particle have many special physical and chemical properties. At the same time studies on the preparation and properties of organic-inorganic compound nanoparticle arouse even more attention. Research on the synthesis and properties of surface modified nanoparticle is a branch of this area.Although the rare earth elements and their Neodymium Magnets compounds have many special functions resulted from 4f electron, the research on rare earth nanoparticle surface modified, as the lubricant additive is the emergent subject.
　　Therefore, the study and http://www.999magnet.com/ development of organic-inorganic rare earth compound nanoparticle, having high load carrying capacity, anti-wear and friction properties, have great promise in the theory and application.This thesis adsorption co-precipitation surface modification method was used to synthesize organic compound surface modified rare earth carbonate nanoparticle in the alcohol - water body. The solubility of surface modified nanoparticles in base oil was enhanced by organic surface modification. After dispersing the nanoparticle in the mineral foundation lubricating oil, lubricating ability of it was tested by MRS - 10P load carrying anti-wear testing machine. The friction reduction property of the organic fat chain, anti-wear and load carrying capacity of nanoparticle, Neodymium Magnets  as well as the special function of rare-earth element, enhances together the tribological ability of lubricating oil, opening up the application of rare earth compound in lubricant area. Structures of surface modifiers and the surface modified nanoparticles were characterized by elemental analysis, IR, ~1HNMR and TEM.