Quaternary Ammonium and Anionic Surfactant Synergy for Foam Stabilization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current antimicrobial and soil removal compositions face challenges in maintaining effective antimicrobial efficacy and foam stabilization, particularly in high-soil conditions, due to the insufficient surface activity of quaternary ammonium compounds and the interference of surfactants.
Innovation Solution
A synergistic combination of quaternary ammonium compounds and anionic surfactants, optionally with nonionic surfactants, is used to enhance surface activity and foam stability, forming micelles that maintain soil removal efficacy without compromising antimicrobial properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If quaternary ammonium compounds are used for antimicrobial activity, then antimicrobial efficacy is achieved, but surface activity is insufficient
Solution Approach 1:
The patent combines quaternary ammonium compounds with anionic surfactants in a single composition. The quaternary ammonium compound provides antimicrobial activity while the anionic surfactant provides enhanced surface activity and foam stabilization. The synergistic interaction between these two components resolves the contradiction by allowing each ingredient to contribute its strength without compromising the other.
2Object-generated harmful factors
If surfactants are added to enhance surface activity, then cleaning performance is improved, but foam stabilization is compromised
Solution Approach 1:
The patent optimizes the concentration ranges of both anionic surfactants (0.1-10% w/w) and quaternary ammonium compounds (0.01-5% w/w) to achieve the desired balance. By carefully controlling these parameters, the composition maintains high surface activity for effective cleaning while preserving foam stabilization properties, resolving the contradiction between cleaning performance and foam stability.
3Productivity
If high concentrations of surfactants are used for soil removal, then cleaning efficacy is enhanced, but antimicrobial properties are compromised
Solution Approach 1:
The patent creates a multi-functional composition where the anionic surfactant handles soil removal while the quaternary ammonium compound maintains antimicrobial activity. This universal formulation allows the product to perform multiple functions (cleaning and disinfection) simultaneously without one function compromising the other, as each ingredient is optimized for its specific role within the synergistic system.
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 combination provides improved antimicrobial efficacy and stabilized foam profiles, even under stressed conditions, such as high soil concentrations, enhancing cleaning performance in applications like pot and pan cleaning and hand soaps.
Implementation Method 1
forming micelles that maintain soil removal efficacy without compromising antimicrobial properties
Implementation Method 2
The surfactants reduce the surface tension of water by adsorbing at the liquid-gas interface
Implementation Method 3
They also reduce the interfacial tension between oil and water by adsorbing at the liquid-liquid interface
Data Source
AI summary
The present disclosure describes antimicrobial, sanitizing and other applications employing a synergistic combination of a quaternary ammonium compound and an anionic surfactant. The present disclosure is also related to non-antimicrobial applications employing a synergistic combination of a quaternary ammonium compound and an anionic and/or nonionic surfactant. The present disclosure is related to various forms of concentrated or use compositions containing the quaternary ammonium compound and an anionic surfactant (and in certain embodiments nonionic surfactants). In particular, the present disclosure provides compositions having desired foaming enhancement and methods employing the same for applications such as pot and pan compositions, hand soaps, facility sanitizing, and other soil removal applications with foam stabilization.