Activated Charcoal Detergent Sheets for Stain Removal
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Solution Overview
Problem
Laundry detergent sheets face limitations in cleaning and stain removal efficacy due to enzyme denaturing during high temperature manufacturing processes, which reduces their effectiveness.
Innovation Solution
Incorporating activated charcoal with a high surface area and porosity into the detergent composition, dispersed in a water-soluble matrix, enhances cleaning and stain removal efficacy while maintaining thermal stability and adsorbing odor-causing molecules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If high temperature process conditions are used for sheet formation, then the detergent sheets can be manufactured, but the enzymes in the detergent denature and cleaning efficacy is reduced
Solution Approach 1:
The patent changes the physical-chemical parameters of the detergent composition by incorporating activated charcoal with specific surface area (950-3000 m2/g) and density (45-60 g/cm3) characteristics. This substitution allows the formulation to maintain cleaning efficacy through adsorption mechanisms rather than relying solely on enzyme activity that is sensitive to temperature parameters during manufacturing.
Solution Approach 2:
The patent creates a composite detergent sheet material combining activated charcoal particles dispersed in a water-soluble matrix with detergent components. This composite structure provides thermal stability during manufacturing while maintaining cleaning performance, as the activated charcoal compensates for any enzyme degradation through its adsorption properties.
2Reliability
If activated charcoal is added to enhance cleaning efficacy, then stain and odor removal improves, but the manufacturing process complexity increases
Solution Approach 1:
The patent utilizes the porous structure of activated charcoal with high surface area (950-3000 m2/g) to achieve enhanced stain and odor removal. The porous material adsorbs odor-causing molecules and stains, providing improved cleaning efficacy without requiring complex manufacturing equipment or processes.
Solution Approach 2:
The patent replaces or supplements enzyme-based cleaning mechanisms with activated charcoal adsorption mechanisms. This substitution simplifies the manufacturing process by eliminating the need for precise enzyme stabilization procedures while maintaining or improving cleaning performance through the physical adsorption properties of charcoal.
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 use of activated charcoal improves the detergent sheets' thermal stability and performance, enhancing stain and odor removal, brightening, and scouring ability, thereby overcoming the limitations of enzyme denaturing and improving overall cleaning efficacy.
Implementation Method 1
activated charcoal can comprise lightweight, porous particulate carbon having high surface area to weight ratio... capable of adsorbing odor-causing components
Data Source
AI summary
Provided herein are detergent compositions in solid sheet form that include a detergent component and activated charcoal dispersed in the detergent sheet. The activated charcoal is lightweight, porous and has high surface area to weight ratio. The detergent component and activated charcoal work synergistically to enhance cleaning and stain removal efficacy. The detergent compositions may be a laundry detergent sheet or a toilet bowl cleaner sheet.