ENERGY EFFICIENT POLYALKYLENE GLYCOLS AND LUBRICANT COMPOSITION CONTAINING SAME

摘要

A polyalkylene glycol comprising: a random copolymer comprising units derived from EO and units derived from PO initiated with polytetrahydrofuran; wherein the polyalkylene glycol has a pour point of less than or equal to -30°C as measured using ASTM D97 and a traction value of less than 0.0165 at a contact pressure of 1.25 GPa, speed = 2 m/s, SRR of 100% and temperature of 80 °C is provided. Also provided are lubricant compositions containing such polyalkylene glycol.