Hybrid Overbased Sulphonate Detergent with Amine Friction Modifier
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Solution Overview
Problem
Compatibility issues exist between organic friction modifiers and overbased metal sulphonate detergents in lubricating oil compositions, requiring a two-part package with friction modifiers added as a top-treat, which is inefficient.
Innovation Solution
Incorporating an amine-based friction modifier, such as alkoxylated hydrocarbyl-substituted mono-amines or diamines, directly into the overbased metal sulphonate detergent during its synthesis to create a hybrid system that functions as both a detergent and a friction modifier.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If organic friction modifiers are used in lubricating oil compositions, then friction reduction is achieved, but compatibility issues arise with overbased metal sulphonate detergents
Solution Approach 1:
The patent combines the detergent and friction modifier functions into a single hybrid molecule - an overbased metal sulphonate detergent with incorporated amine-based friction modifier. This merging eliminates compatibility issues between separate components while maintaining both detergent and friction reduction functions.
Solution Approach 2:
The hybrid detergent molecule performs multiple functions simultaneously: it acts as both an overbased metal sulphonate detergent for deposit control and as a friction modifier for reducing friction. This multi-functionality resolves the compatibility problem by eliminating the need for separate friction modifier additives.
2Stability of the object's composition
If a two-part package is used with friction modifier added as top-treat, then compatibility issues are resolved, but system complexity increases
Solution Approach 1:
The invention merges two separate additive packages (detergent and friction modifier) into a single hybrid detergent molecule, eliminating the need for complex two-part packaging and sequential addition procedures.
Solution Approach 2:
The hybrid detergent provides universal functionality by incorporating both detergent and friction modifier properties in one molecule, simplifying the additive package structure and eliminating the need for separate friction modifier top-treatment.
3Force
If separate friction modifier is added as top-treat, then friction reduction is maintained, but manufacturing and application efficiency decrease
Solution Approach 1:
The hybrid detergent combines detergent and friction modifier functions in one molecule, allowing single-step manufacturing and application rather than requiring separate processing steps for adding friction modifier as top-treat.
Solution Approach 2:
The multi-functional hybrid detergent eliminates the need for separate friction modifier addition steps, improving manufacturing efficiency and simplifying the lubricating oil formulation process while maintaining effective friction reduction.
Data Source
AI summary
An overbased metal sulphonate detergent having incorporated therein at least one friction modifier including at least one amine group.