Alkylated Aromatic Compounds for Lubricant Formulations
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Solution Overview
Problem
Conventional alkylated aromatic compounds used in high viscosity lubricant formulations require additional additives and basestocks to achieve desired oxidative stability and solubility, increasing production costs and complexity.
Innovation Solution
The development of alkylated aromatic compounds, specifically alkylated naphthalenes, which are synthesized using metallocene polyalphaolefins (mPAOs) as alkylating agents, providing improved oxidative stability and solubility without the need for additional additives or basestocks, and can be used as both basestocks and additives in lubricant formulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional alkylated aromatic compounds are used in high viscosity lubricant formulations, then the formulations require additional additives and basestocks to achieve desired oxidative stability and solubility, but this increases production costs and formulation complexity
Solution Approach 1:
The patent combines the functions of multiple separate components (alkylated aromatic compound for viscosity, additional additives for oxidative stability, and solubility improvers) into a single integrated molecule. The alkylated aromatic compound is designed with specific structural features that simultaneously provide high viscosity, inherent oxidative stability, and improved solubility, eliminating the need for multiple separate additives and simplifying the formulation.
2Reliability
If additional additives and basestocks are added to achieve higher viscosities, oxidative stability, and solubility, then these performance properties are improved, but production costs increase
Solution Approach 1:
The alkylated aromatic compound is designed as a multi-functional component that simultaneously serves as a viscosity agent, oxidative stability provider, and solubility improver. This universal component replaces multiple specialized additives, reducing the total number of ingredients required and thereby lowering production costs while maintaining or improving all three performance properties.
3Adaptability or versatility
If conventional alkylated aromatic compounds are used, then formulations require multiple components to meet performance requirements, but this makes the preparation process cumbersome
Solution Approach 1:
The patent merges multiple performance-enhancing functions into a single alkylated aromatic compound molecule. By incorporating specific structural features directly into the core molecule, the formulation requires fewer blending steps and fewer components, making the preparation process less cumbersome while maintaining versatile performance properties across different application conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These compounds enhance the oxidative stability, solubility, and thermal stability of lubricant formulations, reducing the need for additional components and simplifying the formulation process while maintaining or improving performance properties, thus lowering production costs and enhancing the compatibility with seals and housings.
Implementation Method 1
alkylated aromatic compounds, specifically alkylated naphthalenes, which are synthesized using metallocene polyalphaolefins (mPAOs) as alkylating agents
Implementation Method 2
introducing a metallocene polyalphaolefin, an aromatic compound, and an acid catalyst to a reactor under reactor conditions to form an alkylated aromatic compound
Data Source
AI summary
The present disclosure generally relates to alkylated aromatic compounds useful as basestocks and additives for high viscosity applications. In an embodiment is provided an alkylated aromatic compound. In another embodiment is provided a lubricant formulation that includes an alkylated aromatic compound. In another embodiment is provided a lubricant formulation that includes an alkylated aromatic compound, an additive, and optionally, a Group III basestock, Group IV basestock, Group V basestock, or a combination thereof, the Group V basestock being different than the alkylated aromatic compound. In another embodiment is provided a method of forming a lubricant formulation that includes introducing a mPAO, an aromatic compound, and an acid catalyst to a reactor under reactor conditions to form an alkylated aromatic compound; and introducing the alkylated aromatic compound to an additive to form a lubricant formulation.