Patent ID: 8207098

Claim:
A lubricant composition, comprising: a lubricant additive of a rod-like liquid crystal compound possessing a cation group and an anion, wherein the content of the lubricant additive is 0.0001 to 0.1 mass %, wherein the rod-like liquid crystal compound is 4-(1,3-diox-2-yl)pyridinium salt-type rod-like liquid crystal compound shown by the following formula (6): wherein R 7 and R 8 indicate alkyl groups, alkoxyl groups, or a group having an unsaturated bond shown by the following formula (4), and X represents a halogen atom, wherein R 3 represents a hydrogen atom or a methyl group, Z indicates —(CH 2 ) m —, —(CH 2 ) m —O—, —CO—O—(CH 2 ) m —, —CO—O—(CH 2 ) m —O—, —C 6 H 4 —CH 2 —O—, or —CO—, wherein m is an integer of 1 to 30.