Cleaning pad having correlated cleaning performance
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Solution Overview
Problem
Hydrophobic floors, such as those with aluminum oxide coatings, are difficult to clean due to low coefficient of friction issues with traditional cleaning pads, which can lead to ineffective absorption and redeposition of cleaning solutions, especially on dark or shiny surfaces.
Innovation Solution
A cleaning pad with a hydrophobic floor sheet and an absorbent core containing absorbent gelling material (AGM), combined with a hydrophilic smoothing strip, optimized for a specific coefficient of friction range to enhance absorption and cleaning efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a traditional cleaning pad is used on hydrophobic floors, then the cleaning pad can be applied to the surface, but the coefficient of friction is too low causing the pad to glide over debris and making cleaning difficult
Solution Approach 1:
The cleaning pad combines multiple materials with different friction characteristics: a hydrophobic floor sheet layer providing low friction for smooth movement, and a hydrophilic smoothing strip layer providing high friction for effective debris capture. This composite structure resolves the contradiction by allowing the pad to both glide smoothly across the surface and effectively grab debris when needed.
2Quantity of substance
If too much cleaning solution is used, then the cleaning pad can absorb sufficient liquid, but not all solution is absorbed and retained by the sheet during cleaning
Solution Approach 1:
The cleaning pad uses materials with specialized local properties: the hydrophobic floor sheet layer repels excess water to prevent oversaturation, while the hydrophilic smoothing strip layer selectively absorbs and retains cleaning solution. This localized functional differentiation allows the pad to absorb sufficient cleaning solution without becoming oversaturated, preventing loss of unabsorbed solution.
3Quantity of substance
If the cleaning pad absorbs too much cleaning solution, then absorption capacity is high, but the pad becomes oversaturated and cannot retain solution effectively
Solution Approach 1:
The dual-layer composite structure provides complementary functions: the hydrophobic floor sheet layer prevents excessive water absorption by repelling excess liquid, while the hydrophilic smoothing strip layer absorbs and retains the appropriate amount of cleaning solution. This composite design ensures high absorption capacity while maintaining reliable solution retention without oversaturation.
4Adaptability or versatility
If a hydrophobic floor sheet is used, then the pad can be applied to hydrophobic surfaces, but absorption of cleaning solution is insufficient
Solution Approach 1:
The cleaning pad combines a hydrophobic floor sheet layer that is compatible with and adheres well to hydrophobic surfaces like aluminum oxide coatings, with a hydrophilic smoothing strip layer that effectively absorbs cleaning solution. This composite structure resolves the contradiction by allowing the pad to maintain versatility across different surface types while ensuring sufficient cleaning solution absorption through the hydrophilic component.
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 cleaning pad effectively absorbs and retains cleaning solutions, preventing redeposition and improving cleaning performance on hydrophobic surfaces by balancing absorbency and friction, making it easier to clean dark or shiny floors without excessive solution usage.
Implementation Method 1
The core has absorbent gelling material (AGM) therein, so that the pad has a particular minimum absorbency as used with water or with common cleaning solutions
Implementation Method 2
A hydrophilic smoothing strip is joined to the outwardly facing surface of said floor sheet
Implementation Method 3
the cleaning pad may have a coefficient of friction falling within a specified range judged advantageous for cleaning
Data Source
AI summary
A cleaning pad for absorbing liquids from a hard, target surface. The cleaning pad has a hydrophobic floor sheet, and a core joined to the floor sheet. The core has absorbent gelling material therein with a gradient distribution, so that the pad has a particular minimum absorbency as used with water or with common amine oxide cleaning solution. A hydrophilic smoothing strip is joined to the outwardly facing surface of said floor sheet. The cleaning pad provides both good absorbency and a coefficient of friction falling within a specified range judged advantageous for cleaning. The absorbency and coefficient of friction work well with both water and an amine oxide cleaning solution.