VISCOSITY IMPROVER GRAFTED WITH UNSATURATED ACYLATING AGENT AND AN ARYLOXYALYLKENE MONOAMINE
申请人:McDougall Patrick J.
公开号:US20140024567A1
公开(公告)日:2014-01-23
Disclosed is an oil-soluble lubricating oil additive composition, suitable for use as a dispersant viscosity index improver in lubricating oils; prepared by the process which comprises reacting a hydrocarbon polymer having a number average molecular weight (M
n
) between about 7,000 and about 500,000 wherein the polymer backbone has been functionalized with an ethylenically unsaturated acylating agent and an aryloxy-alkylene amine.
Synergistic lubricating oil composition containing a mixture of olefin copolymer dispersant-type viscosity improver and amine compound
申请人:Chevron Oronite Company LLC
公开号:US10414999B2
公开(公告)日:2019-09-17
Disclosed is an internal combustion engine lubricating oil composition which comprises (a) a major amount of an oil of lubricating viscosity; (b) a dispersant-type olefin copolymer VI improver; and (c) a secondary hydrocarbylamine compound, a tertiary hydrocarbylamine compound, or combinations thereof. A method for reducing cam wear using same is also disclosed.
本发明公开了一种内燃机润滑油组合物,它包含:(a) 一种润滑粘度油的主要成分;(b) 一种分散剂型烯烃共聚物 VI 改良剂;以及 (c) 一种仲烃基胺化合物、一种叔烃基胺化合物或它们的组合。此外,还公开了一种使用该制剂减少凸轮磨损的方法。
LUBRICATING OIL COMPOSITION CONTAINING A MIXTURE OF OLEFIN COPOLYMER DISPERSANT-TYPE VISCOSITY IMPROVER AND AMINE COMPOUND
申请人:Chevron Oronite Company LLC
公开号:EP3405554B1
公开(公告)日:2019-12-25
SYNERGISTIC LUBRICATING OIL COMPOSITION CONTAINING A MIXTURE OF OLEFIN COPOLYMER DISPERSANT-TYPE VISCOSITY IMPROVER AND AMINE COMPOUND
申请人:Chevron Oronite Company LLC
公开号:US20170211011A1
公开(公告)日:2017-07-27
Disclosed is an internal combustion engine lubricating oil composition which comprises (a) a major amount of an oil of lubricating viscosity; (b) a dispersant-type olefin copolymer VI improver; and (c) a secondary hydrocarbylamine compound, a tertiary hydrocarbylamine compound, or combinations thereof. A method for reducing cam wear using same is also disclosed.