UREA GREASE HAVING IMPROVED ACOUSTIC PROPERTY

摘要

PURPOSE:To obtain the title urea grease excellent in heat stability and shear stability by incorporating a specified amount of a thickening agent containing a specified diurea compound into a base oil comprising a mineral oil or synthetic oil. CONSTITUTION:A base oil comprising a mineral oil or synthetic oil is mixed with 2-35wt.% thickening agent containing a diurea compound of the formula R1NHCONHR2NHCONHR3 [wherein R1 is 12-22C straight-chain (un)saturated alkyl; R2 is tolylene or xylylene; R3 is xylylene or toluidine].