Alkyl Hydroxy Carboxylic Acid Boron Ester Lubricant Additive
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Solution Overview
Problem
Current engine oils face challenges with metal detergents contributing to ash formation, incomplete fuel combustion leading to sludge and corrosion, and the need for effective anti-oxidants and lubricity enhancers in hydrocarbon fuels and lubricants.
Innovation Solution
The development of metal-free detergents and anti-oxidants through the reaction of acidic organic compounds, such as alkyl salicylic acids, with boron compounds like boric acid, producing additives with improved detergency, oxidation stability, and lubricity for use in hydrocarbon fuels and lubricants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If metal detergents are used in engine oils to provide detergency and neutralize acidic compounds, then corrosion and harmful deposits are reduced, but ash formation increases
Solution Approach 1:
The patent extracts and eliminates metal detergents from the lubricant formulation, replacing them with non-metallic organic compounds that provide equivalent protective functions without generating ash. This extraction of the harmful metal component resolves the contradiction by maintaining corrosion protection while eliminating ash formation.
Solution Approach 2:
The patent changes the chemical composition parameters by substituting metal-based detergents with organic compounds containing specific functional groups (carboxylic acid, ester, amide). This parameter change maintains the protective function while altering the material properties to eliminate ash generation.
2Power
If incomplete combustion occurs in fuel to provide energy, then power is generated, but sludge and carbon deposits form
Solution Approach 1:
The patent converts the harmful effect of incomplete combustion into a beneficial outcome by using the deposited carbon and sludge precursors as a basis for forming protective films on engine surfaces. The organic additives promote controlled deposition that protects against more severe wear while managing the inevitable byproducts of combustion.
3Power
If sulfur in fuel is burned to produce energy, then power is generated, but corrosive wear and oil degradation accelerate
Solution Approach 1:
The patent introduces organic compounds as intermediary substances that react with sulfuric acid and other corrosive compounds formed during combustion. These intermediaries neutralize the corrosive agents before they can attack the engine metal and oil, thereby protecting the system while allowing sulfur-containing fuel to be used.
Solution Approach 2:
The patent converts the harmful corrosive effect of sulfur combustion into a beneficial protective mechanism by forming sulfonate esters and other protective compounds that reduce corrosion and wear. The sulfur that would otherwise cause damage is transformed into a protective element in the lubrication system.
4Object-affected harmful factors
If conventional detergent formulations are used to clean engine deposits, then detergency is improved, but oxidation stability decreases
Solution Approach 1:
The patent uses composite organic molecules that combine multiple functional groups (carboxylic acid, ester, amide) within single molecular structures. These composite molecules provide both detergent properties for deposit removal and antioxidant properties for oxidation stability, eliminating the need to choose between conflicting functions.
Solution Approach 2:
The patent develops universal organic additive molecules that perform multiple functions simultaneously: detergent action for deposit removal, antioxidant action for oxidation protection, and film-forming action for surface protection. This multi-functionality resolves the contradiction by providing both detergency and oxidation stability through single compounds.
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
The reaction products demonstrate excellent detergency, cleanliness, and antioxidant performance, reducing friction and corrosion in internal combustion engines, as evidenced by panel coker tests and pressure differential scanning calorimetry evaluations.
Implementation Method 1
The development of metal-free detergents and anti-oxidants through the reaction of acidic organic compounds, such as alkyl salicylic acids, with boron compounds like boric acid
Implementation Method 2
a lubricant additive with good lubricity, detergency, rust protection and antioxidant properties
Implementation Method 3
rust protection that are the reaction products of acidic organic compounds
Data Source
AI summary
A composition is disclosed that comprises the reaction product of an acidic organic compound and a boron compound. The composition is useful as a detergent additive for lubricants and hydrocarbon fuels.