One kind of lubricity improver for low sulfur diesel was synthesized by low cost raw materials, such as unsatu-rated mixed acid and polyol.

• 采用不饱和混合酸和多元醇等低成本原料合成出一种低硫柴油润滑性能改进剂,并对其润滑性能、兼容性、腐蚀性、水反应和低温性能进行了评价。