Sulfo-estolide Dishwashing Detergents for Low-Foam Cleaning
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Solution Overview
Problem
Conventional dishwashing detergents face challenges in reducing foam formation, which impairs machine performance, and they often contain phosphates and chlorine, harming the environment and dishware, necessitating the development of low-foaming, phosphate-free, and chlorine-free formulations that maintain cleaning efficacy.
Innovation Solution
The use of sulfo-estolides and their derivatives in dishwashing compositions, which include specific surfactants and enzymes, formulated to reduce foaming and provide effective cleaning while being environmentally friendly, as described in the provided patent.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional inorganic alkaline salts are used in dishwashing detergents, then cleaning capability is improved, but foam formation increases and environmental harm occurs
Solution Approach 1:
The patent changes the chemical parameters by replacing inorganic alkaline salts with organic alkaline substances such as ammonium hydroxide and amine compounds. This substitution maintains the necessary alkalinity for cleaning while fundamentally altering the foam-generating properties and environmental impact of the detergent composition.
Solution Approach 2:
The invention extracts and eliminates the harmful inorganic salt components from the detergent formulation. By removing these problematic substances and replacing them with organic alternatives, the patent achieves low-foaming performance and environmental compatibility while preserving cleaning effectiveness.
2Reliability
If phosphates are used in dishwashing detergents, then washing performance is improved, but environmental pollution increases
Solution Approach 1:
The patent explicitly removes phosphates from the detergent composition. The formulation achieves washing performance without phosphate builders, using alternative water softening and soil suspension mechanisms that do not rely on phosphorous compounds, thereby eliminating water pollution concerns.
Solution Approach 2:
The invention changes the chemical composition parameters by eliminating phosphates and using organic alkaline substances instead. This parameter change maintains detergent effectiveness while achieving environmental compatibility and biodegradability.
3Reliability
If chlorine-based compounds are used in dishwashing detergents, then disinfection capability is improved, but damage to dishware and environmental toxins increase
Solution Approach 1:
The patent removes chlorine-based compounds from the detergent formulation. Disinfection capability is maintained through the combination of high alkalinity from organic bases and elevated washing temperatures, eliminating the need for harsh chlorine oxidants that damage dishware and create toxic byproducts.
Solution Approach 2:
The invention converts the harmful effect of high temperature (which can activate enzymes and degrade materials) into a beneficial disinfection mechanism by using thermal processing without chlorine. The heat itself becomes the sanitizing agent, protecting dishware from chemical damage while achieving disinfection.
4Reliability
If high-foaming surfactants are used in dishwashing detergents, then cleaning action is improved, but machine operation is impeded
Solution Approach 1:
The patent changes the surfactant parameters by using organic alkaline substances with controlled surface activity. These surfactants provide adequate cleaning action through emulsification and wetting while inherently producing minimal foam, ensuring smooth machine operation without mechanical interference.
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 sulfo-estolide-based compositions achieve low foaming, maintain cleaning performance comparable to premium detergents, and are environmentally friendly, avoiding phosphate and chlorine-related issues, thus enhancing dishwashing machine efficiency and sustainability.
Implementation Method 1
about 0.01% to about 20% by active weight of at least one surfactant of general Formula 1
Implementation Method 2
physico-chemical action such as wetting, emulsification
Implementation Method 3
from about 0.01% to about 10% by active weight of at least one enzyme
Implementation Method 4
the fatty food soils become saponified in the hot solution
Data Source
AI summary
Sulfo-estolides and methods of making them are described. Useful methods include acid side bleaching, partial hydrogenation of the fatty acid, pretreatment of the fatty acid to provide color inhibition, acid side hydrolysis of the sulfo-estolides, or conversion of SHP to an essentially fully hydrolyzed product (HSHP) or a partially hydrolyzed product (PHSHP). Formulations and concentrated formulations of automatic dishwasher detergent or machine wash detergent compositions containing sulfo-estolides, among others, are also included.