公开(公告)号：US4863622A

公开(公告)日：1989-09-05

申请号：US177912

申请日：1988-03-31

Applicant: I.-Ching Chiu

Inventor： I.-Ching Chiu

IPC: C10M135/22 ,  C10M135/26

CPC classification number: C10M135/22 ,  C10M135/26 ,  C10M2219/06 ,  C10M2219/085 ,  C10N2240/10 ,  C10N2240/101 ,  C10N2240/104 ,  C10N2240/106

Abstract: A phosphorous free antiwear/antifriction additive for lubricant oil is described. The additive is a fatty acid thio ester or a dialkyl disubstituted fatty acid thio amine having the formula of ##STR1## wherein R.sub.1 is a saturated or unsaturated hydrocarbon having 8 to 40 carbon atoms;R.sub.2, R.sub.3 and R.sub.4 are hydrocarbons having 1 to 4 carbon atoms; andn=1 to 4.

Abstract translation: 描述了一种用于润滑油的无磷抗磨/抗磨添加剂。 所述添加剂是脂肪酸硫酯或具有下式的图象的二烷基二取代脂肪酸硫胺：其中R 1是具有8至40个碳原子的饱和或不饱和烃; R2，R3和R4是具有1至4个碳原子的烃; n = 1〜4。