Cleansing Bar Clay Talc Binder Composite
Solution Overview
Problem
Cleansing bars face challenges with increasing raw material costs, particularly for soaps and surfactants, and existing attempts to use clay and talc result in bars with poor structural integrity or brittleness, lacking desirable properties like lathering and texture.
Innovation Solution
A cleansing bar composition with a higher amount of clay and/or talc than any other material, combined with a binder to provide structural integrity, and a cleansing agent such as soap or surfactant, where the clay and talc are mixed with the binder before adding the cleansing agent, enhancing structural integrity and lathering capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If clay and talc are used as dominant materials in cleansing bars, then cost is reduced and structural integrity is improved, but the bar becomes too brittle and lacks acceptable texture
Solution Approach 1:
The patent uses a composite material system where clay (40-70 wt%) and talc (10-30 wt%) are combined with specific binders including stearic acid (1-10 wt%), beeswax (1-10 wt%), and polyethylene glycol (1-10 wt%). This composite formulation resolves the brittleness issue by creating a multi-phase material structure where each component contributes different properties: clay provides structural framework, talc provides smoothness, binders provide flexibility and cohesion, and surfactants provide cleansing. The specific weight ratios ensure the bar has sufficient structural integrity while maintaining workability and reducing brittleness.
Solution Approach 2:
The patent applies parameter changes by precisely controlling the weight percentages of each ingredient within specific ranges. For example, stearic acid is maintained at 1-10 wt% to provide binding without excessive softness, beeswax at 1-10 wt% for structural support without brittleness, and polyethylene glycol at 1-10 wt% for plasticity. The surfactant concentration is controlled at 1-20 wt% to ensure adequate cleansing while maintaining bar stability. These parameter optimizations resolve the contradiction between structural integrity and brittleness.
2Quantity of substance
If soap and surfactant content is reduced to lower costs, then profitability increases, but lathering and cleaning performance decrease
Solution Approach 1:
The patent optimizes the surfactant concentration parameter within 1-20 wt% to achieve cost-effective formulations. Specific surfactants including sodium laureth sulfate, sodium lauryl sulfate, and cocamidopropyl betaine are used at controlled concentrations to maintain adequate lathering and cleaning performance while reducing overall material costs. The binder system compensates for reduced surfactant content by improving bar cohesion and controlled dissolution.
Solution Approach 2:
The patent creates a composite cleansing system where clay and talc particles are integrated with binders and surfactants to form a multi-functional material. The clay-talc-binder matrix provides structural support and controlled dissolution, while the surfactant phase provides cleansing and lathering. This composite approach allows cost reduction through optimized ingredient ratios while maintaining performance through synergistic interactions between components.
3Stability of the object's composition
If more clay and talc are added to improve structure, then bar stability increases, but the bar becomes too brittle and cracks
Solution Approach 1:
The patent formulates a composite material where clay (40-70 wt%) and talc (10-30 wt%) provide structural stability, while binders (stearic acid 1-10 wt%, beeswax 1-10 wt%, polyethylene glycol 1-10 wt%) provide flexibility and crack resistance. The surfactants (1-20 wt%) contribute to bar stability through controlled dissolution. The synergistic interaction between these components resolves the contradiction: clay and talc ensure stability while binders prevent brittleness and cracking.
Solution Approach 2:
The patent optimizes the ratio parameters between structural components (clay+talc at 50-90 wt%) and flexible components (binders at 3-30 wt%). This parameter control ensures the bar achieves sufficient stability from the clay-talc framework while maintaining crack resistance through the binder network. The specific weight ratios create a balanced formulation where stability and cracking resistance are simultaneously achieved.
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 solution results in cleansing bars with improved structural integrity, lathering, and texture, while reducing costs by using lower-cost materials, maintaining effective cleaning performance and bacterial inhibition.
Implementation Method 1
a binder present in an amount to structure the cleansing bar into a bar
Implementation Method 2
at least one cleanser chosen from soap and surfactant
Implementation Method 3
a method of removing bacteria from skin comprising washing skin with the cleansing bar
Data Source
AI summary
A cleansing bar comprising at least one member chosen from clay and talc, wherein a total amount of clay and talc is present in an amount that is greater than any other material in the cleansing bar, at least one cleanser chosen from soap and surfactant, and a binder present in an amount to structure the cleansing bar into a bar.