Formula 1 Surfactant for Balanced Surface Activity and Biodegradability
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Solution Overview
Problem
Existing surfactants do not meet the specific conditions defined in the compound of formula (1), which is necessary for achieving optimal surfactant effects and biodegradability.
Innovation Solution
A compound represented by formula (1), which includes specific groups and linkages, is developed. This compound can form rings and contains various substituents, allowing it to function as a surfactant, anionic surfactant, or aqueous dispersant.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing surfactant structures are used, then surfactant effects are achieved, but optimal surfactant effects and biodegradability cannot be simultaneously achieved
Solution Approach 1:
The patent modifies the molecular structure parameters by introducing specific groups (Formula 1) with adjustable parameters including hydrocarbon chain lengths (C1-C22), ring structures, and substituent positions. These parameter changes enable simultaneous optimization of surfactant performance and biodegradability by balancing hydrophobic and hydrophilic regions while incorporating biodegradable linkages.
Solution Approach 2:
The invention creates composite molecular structures combining multiple functional groups: hydrocarbon chains for surfactant activity, cyclic structures for stability, and biodegradable linkages (ester, amide, carbonyl groups) for environmental breakdown. This composite approach within a single molecule achieves both performance and biodegradability requirements.
2Reliability
If complex molecular structures are designed to improve surfactant properties, then surface activity increases, but manufacturing complexity increases
Solution Approach 1:
The molecular structure is segmented into distinct functional regions: hydrophobic hydrocarbon chains, cyclic core structures, and hydrophilic head groups containing biodegradable linkages. This segmentation allows independent optimization of each region's properties while simplifying the overall synthesis pathway through modular construction.
Solution Approach 2:
Specific local structures are introduced at strategic positions within the molecule, such as placing carbonyl groups or heteroatoms at specific locations in the hydrocarbon chain or ring structures. This local quality enhancement improves surface activity without requiring complete structural complexity, thereby maintaining manufacturing feasibility.
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 compound exhibits effective surfactant properties, reducing surface tension and suitable for use in surfactants and aqueous dispersants, while also being biodegradable.
Implementation Method 1
The compound exhibits effective surfactant properties, reducing surface tension
Data Source
AI summary
The invention provides a novel hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester, or a salt thereof, and a surfactant. Each of them is a compound represented by the following formula (1): CR1R2R4-CR3R5-X-A wherein R1 to R5 are each H or a monovalent substituent; at least one of R1 or R3 is a group represented by the formula: -Y-R6; at least one of R2 or R5 is a group represented by the formula: -X-A or a group represented by the formula: -Y-R6; and As at the respective appearances are the same as or different from each other, and are each -COOM, -SO3M, or -OSO3M.