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Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition

a technology of additive composition and additive composition, which is applied in the field of additive composition, lubricating composition, and engine oil composition consisting of lubricating composition, can solve the problems of limited friction reduction effect of only increasing the amount of organic molybdenum compounds, high amount of amine compounds, and high amount of organic compounds, so as to achieve significant prevention of corrosion of copper and copper alloys, the effect of friction reduction

Inactive Publication Date: 2019-08-29
ADEKA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a new way to make a lubricant that reduces friction and prevents corrosion, especially in copper and copper alloys. This is done by adding two specific chemicals to a particular chemical compound. Overall, this patent is about improving the effectiveness of lubricants and preventing damage to machines.

Problems solved by technology

However, the effect of friction reduction only by increasing the amount of organic molybdenum compounds added has limitations, and an increase in the amount of organic molybdenum compounds added causes problems such as generation of deposits due to precipitated or deteriorated organic molybdenum compounds.
However, in order to dissolve tetrabenzyl thiuram disulphide in abase oil, a high amount of amine compound is required and copper components of machines made of copper or copper alloys are corroded in some cases.

Method used

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  • Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition
  • Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition
  • Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition

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examples

[0068]The present invention is hereinafter more specifically described by way of the Examples. In the Examples, “%” is based on the mass unless otherwise stated.

[0069]With the following compounds and base oils, lubricating compositions of Examples 1 to 10 and Comparative Examples 1 to 5 having the compositions indicated in Table 1 were prepared. The values of the compositions indicated in the table are in parts by mass of compounds when the whole amount of the lubricating composition is regarded as 100 parts by mass.

[0070](A1) Compound of general formula (1), wherein R1 and R2 are respectively a 2-ethylhexyl group, R3 and R4 are respectively a branched tridecyl group, X1 and X2 are respectively a sulphur atom and X3 and X4 are respectively an oxygen atom (Mo content: 18.1%)[0071](A2) Compound of general formula (1), wherein R4 to R4 are respectively a 2-ethylhexyl group, X4 and X2 are respectively a sulphur atom and X3 and X4 are respectively an oxygen atom (Mo content: 20.7%)[0072]...

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Abstract

A lubricant additive composition including, as a component (A), an organic molybdenum compound represented by general formula (1) described in the specification, and as a component (B), an amine compound represented by general formula (2) described in the specification, wherein content of the component (B) is 1 to 20 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a lubricating composition containing same.

Description

TECHNICAL FIELD[0001]The present invention relates to a lubricant additive composition containing an organic molybdenum compound, a lubricating composition containing the lubricant additive composition and an engine oil consisting of the lubricating composition.BACKGROUND ART[0002]Reductions in automobile fuel consumption initiated due to the oil crisis is a very important issue in view of resource protection and environmental protection. Automotive fuel consumption has been improved by reduction of the body weight of automobiles, improvements in engine combustion and reduction of friction in engines and power trains. Engine friction has been reduced by, for example, improvement in valve system mechanisms, reduction of surface roughness of sliding members and use of fuel-efficient engine oil. In order to reduce fuel consumption by engine oil, reduction of viscosity aimed at reducing friction loss under fluid lubrication conditions in piston systems and bearing members has been studi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10M141/12C10M169/04C10M135/18C10M139/00C10M133/06
CPCC10M141/12C10M2215/223C10M135/18C10M139/00C10M133/06C10N2230/06C10N2230/12C10N2210/06C10N2210/02C10N2230/10C10N2240/102C10M2227/00C10M2219/066C10M2215/04C10M2207/144C10M169/04C10N2240/104C10M141/08C10M2219/068C10M2207/262C10M2207/284C10M2215/086C10M2215/28C10M2223/045C10M2219/046C10M2227/061C10M2203/1006C10N2030/12C10N2030/06C10N2040/25C10M2203/1025C10M2207/026C10M2207/028C10M2207/04C10M2207/16C10M2207/283C10M2207/285C10M2215/042C10M2215/082C10M2223/061C10N2050/10C10N2010/12C10N2010/04C10N2060/14C10N2020/02C10N2030/10C10N2040/252C10N2040/255
Inventor IINO, SHINJIKATSUNO, EIJISUMI, TARO
Owner ADEKA CORP
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