Multifunctional lubricating oil and preparation method thereof

The invention discloses multifunctional lubricating oil which is characterized by being prepared from the following components as raw materials in parts by weight: 1-3 parts of cyano ethyoxyl phosphine sulfate polyquaternium, 0.3-0.6 part of 6-(dibutylamino)-1, 3, 5-triazole-2, 4-dithiol, 0.5-1.2 parts of lipophilic graphene nanosheets, 0.3-0.6 part of tea polyphenol chitosan nanoparticles, 0.3-0.5 part of a dispersing agent, 0.4-0.6 part of N, N-bis (2-ethoxyl)-2-aminoethanesulfonic acid, 0.1-0.2 part of thermoplastic elastomer TPEE and 60-70 parts of base oil. The invention also provides a preparation method of the multifunctional lubricating oil. The multifunctional lubricating oil is good in comprehensive performance and performance stability, excellent in anti-oxidation stability, excellent in extreme pressure performance, wear resistance and lubricating performance and diversified in function. 本发明公开了一种多功能润滑油，其特征在于，是以如下按重量份计的组分为原料制备而成的：氰基乙氧基膦硫酸基聚季铵盐1-3份、6-(二丁基氨基)-1,3,5-三唑-2,4-二硫醇0.3-0.6份、亲油性石墨烯纳米片0.5-1.2