Bulletin of The Japan Petroleum Institute · 1976 · 13 citations · 0 references
EngineeringMaterials EngineeringMaterials ScienceSurface EngineeringSurface ScienceTribologyCorrosion ThermodynamicsLubricant PropertiesLubricant RheologyLubrication EngineeringLubrication SystemsSurface ReactivityAdsorption On Metal SurfacesLubricityLubricity EnhancementMolecular Structure-property Relationships In LubricantsPhysical PropertiesSurface Adsorption Of LubricantsSurface Interactions In LubricantsSynthetic Lubricants
Pentaerythritol partial-esters were synthesized and their physical properties, thermal stabilities, heat of adsorption, and lubricity were investigated. It was found that the hydroxyl groups involved in the partial-esters exerted some important effects on their properties. The partial-esters showed higher viscosities than their respective full-esters due to the association of their molecules. They adsorbed strongly onto metal surfaces to control corrosion of the metals, and to give better boundary lubricity.