月桂酰基丙氨酸作为润滑油添加剂的性能研究

利用月桂酰氯和丙氨酸在碱性溶液中反应制备出了N—月桂酰基丙氨酸。用红外光谱对其主要官能团进行了表征；考察了该物质作为润滑油添加剂对HVI350矿物基础油的生物降解性能的影响，并用四球摩擦磨损试验机考察了N—月桂酰基丙氨酸在HVI350矿物基础油中的摩擦磨损性能。结果表明：N—月桂酰基丙氨酸作为矿物油添加剂表现出极好的提高矿物油生物降解性的作用，良好的抗磨减摩性能，并且具有优良的抗腐蚀性和防锈性，是一种环境友好型的多功能润滑添加剂。

STUDY ON THE PERFORMANCE OF N-LAUROYL ALANINE AS LUBE OIL ADDITIVE

N-lauroyl alanine was synthesized under alkali conditions, and its structure was characterized by FT-IR. Using N-lauroyl alanine as lube oil additive, the effect of N-lauroyl alanine on the biodegradation of HVI 350 mineral base oil was studied,and its tribological behavior was evaluated by a four-ball friction tester. The results showed that the degradation of HVI 350 base oil was effectively accelerated by N-lauroyl alanine; the lube oil exhibited good anti-wear and friction-reducing performance, improved load-carrying capacity, as well as excellent corrosion resistance and anti-rust property, which indicated that N-lauroyl alanine is an environmental friendly,multi-functional lubricating additive.