Solid Soap Concentrate for Liquid Soap Production
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Solution Overview
Problem
Existing liquid soaps often rely on artificial additives to achieve anti-pathogenic efficacy and stable viscosity, which raises health and environmental concerns, and lack efficient methods for reducing shipping costs and resource usage.
Innovation Solution
A two-stage method producing a solid soap concentrate using potassium hydroxide and sodium hydroxide for saponification, which can be dissolved in water to create a liquid soap with anti-pathogenic properties and optimal viscosity without synthetic surfactants or thickeners, allowing for resource-efficient packaging and reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If artificial additives are used to achieve anti-pathogenic efficacy and stable viscosity, then the functional performance of liquid soap is improved, but health and environmental safety deteriorates
Solution Approach 1:
The patent extracts and removes artificial additives from the liquid soap formulation, achieving anti-pathogenic efficacy through naturally occurring alkaline ingredients and stable viscosity through natural thickening agents like xanthan gum, thereby eliminating health and environmental hazards while maintaining functional performance
Solution Approach 2:
The patent changes the chemical composition parameters by using natural alkaline substances (e.g., baking soda, witch hazel) instead of synthetic additives, maintaining the required pH range for anti-pathogenic activity while improving safety profile, and adjusts viscosity through natural polymers rather than synthetic thickeners
2Ease of operation
If liquid soap is shipped in ready-to-use form, then convenience is improved, but shipping expenses and resource consumption increase
Solution Approach 1:
The patent segments the liquid soap product into a concentrated base formula and separate water, allowing the concentrate to be shipped in smaller volumes and then diluted by the consumer at home, thereby reducing shipping expenses and resource consumption while maintaining convenience
Solution Approach 2:
The patent transitions from shipping ready-to-use liquid soap to shipping a concentrated precursor that requires a simple home preparation step, adding the dimension of consumer participation in the final product formation, which reduces shipping costs while preserving ease of use
3Productivity
If containers are not reused, then product availability is improved, but resource conservation deteriorates
Solution Approach 1:
The patent implements a container reuse system where the same container is used for both storing the concentrated soap base and receiving the final diluted liquid soap product, eliminating the need for additional packaging and promoting resource conservation while maintaining continuous product availability
Solution Approach 2:
The patent makes the container multi-functional by using it for both storage of the concentrate and as the final product container after dilution, thereby reducing packaging material consumption and promoting environmental sustainability without compromising product accessibility
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 method results in a liquid soap with effective anti-pathogenic and antiseptic properties, thick lather, and reduced environmental impact, while minimizing shipping costs and resource consumption.
Implementation Method 1
The method involves saponification of oils/fats using of two lyes—potassium hydroxide and sodium hydroxide
Implementation Method 2
it first produces a solid soap concentrate, from which the liquid soap can be made simply by dissolving the solid concentrate in water
Data Source
AI summary
A two-stage method produces a liquid soap, having an alkaline pH and stable viscosity, so as to be efficacious in controlling pathogens and generating a thick lather which optimizes its cleansing and disinfecting effects. The method involves saponification of natural and/or synthetic oils/fats using of two lyes—potassium hydroxide and sodium hydroxide—which, when combined in roughly equal proportions, yield a lathery liquid soap without the need for synthetic surfactants or chemical thickeners. The method is also distinctive insofar as it first produces a solid soap concentrate, from which the liquid soap can be made simply by dissolving the solid soap concentrate in water.