Patent ID: 8247361

Claim:
A fluorine-based lubricant composition comprising a base oil and a fluorine-containing compound represented by the general formula: CF 3 (CF 2 ) n O(CF 2 O) p (C 2 F 4 O) q (C 3 F 6 O) r RfCONHAr [I] (wherein, Ar is a 2-benzimidazole group, Rf is a fluorocarbon group of carbon number of 1 or 2, n is 0, 1 or 2, p, q and r are an integer satisfying the condition p+q+r≦100, wherein one or two of p, q and r may be 0, and the CF 2 O group, the C 2 F 4 O 4 , group and the C 3 F 6 O group are the groups bound randomly in the main chain) as an additive containing in the base oil.