GREASE LUBRICANT

摘要

FIELD: chemistry. ^ SUBSTANCE: invention relates to grease lubricant composition meant for main sliding friction units of motorcars. The composition contains the following in wt %: 12-hydroxystearic acid 14-20; acetic acid 4-5.8; synthetic fatty acids of the C5-C6 fraction or hexanoic acid 1.5-2.5; barium hydroxide octahydrate up to complete saponification; N-(diethylaminomethyl)benzotriazole 0.01-0.3; synthetic polyalphaolefin oil with viscosity of 5-12 cS at 100C - up to 100. ^ EFFECT: higher hydrolytic stability (resulting from absence of free organic acids and neutral reaction of the medium with the lubricant), improved anti-corrosion properties with respect to copper and wider operating temperature range of the lubricant (from minus 40C to 150C). ^ 2 tbl