申请人:Patil Abhimanyu O.
公开号:US20150275117A1
公开(公告)日:2015-10-01
A composition containing one or more sulfur-containing compounds represented by the formula
(R
1
)
a
(X)(R
2
)
b
wherein R
1
and R
2
are the same or different and are the residue of an olefin (e.g., aliphatic, aromatic or cycloaliphatic olefin) having from 4 to 40 carbon atoms, X is the residue of a thiol or polythiol, a is a value from 1 to 6, and b is a value from 0 to 6. The composition has a kinematic viscosity at 100° C. (Kv
100
) from 2 to 300 cst, a kinematic viscosity at 40° C. (Kv
40
) from 5 to 4000 cst, a viscosity index (VI) from −100 to 300, and a Noack volatility of no greater than 90 percent. A process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil containing the composition.
该组成物包含一个或多个含硫化合物,其表示为(R1)a(X)(R2)b,其中R1和R2相同或不同,是具有4至40个碳原子的烯烃(例如脂肪族、芳香族或环烷烃)的残基,X是硫醇或多硫醇的残基,a的值为1至6,b的值为0至6。该组成物在100℃下的运动粘度(Kv100)为2至300 cst,在40℃下的运动粘度(Kv40)为5至4000 cst,粘度指数(VI)为-100至300,Noack挥发度不大于90%。一种生产该组成物的方法,一种润滑油基础油和含有该组成物的润滑油,以及一种用于改善润滑油中极性添加剂的溶解性和分散性的方法。