申请人:MATHUR Naresh
公开号:US20120291737A1
公开(公告)日:2012-11-22
An ashless additive for lubricating oil compositions, lubricating oil compositions and methods for lubricating that are effective to improve the total base number (TBN) of a lubricant composition. The additive is a reaction product of a compound of the formula:
with NH
3
, an alcohol, an amine, or a hydrocarbyl amine, wherein R
1
is selected from H, a hydrocarbyl group, the alcohol or amine contains from 1 to about 24 carbon atoms, and the hydrocarbyl amine has a number average molecular weight ranging from about 100 to about 6000
一种无灰添加剂,用于润滑油组合物,润滑油组合物和润滑方法,能够有效地提高润滑剂组合物的总碱值(TBN)。该添加剂是以下化合物与NH3、醇、胺或烃基胺的反应产物:其中R1选自H、烃基基团,醇或胺含有1至约24个碳原子,烃基胺的数均分子量范围从约100到约6000。