Cleaning article comprising multiple sheets and methods thereof
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Melamine-formaldehyde foam cleaning articles, while effective for removing soils and stains from hard surfaces, tend to retain dirt and are difficult to maneuver due to their thickness, making them inefficient and hard to use in tight spaces.
Innovation Solution
The development of cleaning articles comprising multiple sheets of heat-compressed melamine-formaldehyde foam with a density above 12 kg/m³ and each sheet ranging from 0.5 to 4 mm in thickness, allowing for improved surface contact and easier handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thick blocks of melamine foam are used for cleaning, then soil and stain removal capability is improved, but maneuverability and ease of contact with irregular surfaces deteriorates
Solution Approach 1:
The cleaning article is divided into multiple thin sheets (0.5-4 mm each) stacked together, replacing a single thick block. This segmentation allows the cleaning article to flex and conform to irregular surfaces while maintaining the necessary density for effective cleaning, resolving the contradiction between removal capability and maneuverability.
2Reliability
If thick blocks of melamine foam are used for cleaning, then soil and stain removal capability is improved, but the tendency to retain removed soils and stains increases
Solution Approach 1:
By dividing the thick foam block into multiple thin sheets, the surface area in contact with soils and stains is distributed across many layers. This reduces the tendency of any single layer to retain contaminants, while the stacked structure maintains overall cleaning effectiveness.
3Ease of operation
If multiple thin sheets are used instead of thick blocks, then maneuverability and surface contact are improved, but cleaning effectiveness may deteriorate
Solution Approach 1:
The density parameter of the melamine foam is optimized to above 12 kg/m³, and each sheet is controlled within a specific thickness range (0.5-4 mm). These parameter changes ensure that while individual sheets are thin for maneuverability, the cumulative structure maintains sufficient density and effectiveness for soil and stain removal.
4Reliability
If substantial amounts of solvent are used with melamine foam, then soil and stain removal performance is improved, but the complexity of the cleaning process increases
Solution Approach 1:
The multiple thin sheets are designed to be disposable or easily replaceable. This allows the cleaning article to be used with minimal solvent (such as tap water) since the sheets can be discarded after use rather than requiring extensive solvent for thorough cleaning and reuse, simplifying the overall cleaning process.
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
These articles effectively clean hard surfaces while maintaining a good safety profile, reducing the negatives associated with thicker foam versions, such as retention of dirt and difficulty in maneuverability.
Implementation Method 1
melamine foam in particular, when wetted with an appropriate solvent, such as tap water, removes soils and/or stains from a hard surface when the hard surface is brought into contact with the melamine foam
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
The present invention relates to a cleaning article that includes a cleaning article that includes melamine-formaldehyde foam. The melamine-formaldehyde foam includes at least two sheets and has a density above 12 kg/m3. Each sheet is from about 0.5 to about 4 mm in thickness and the static COF between two sheets is greater than 6. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning article according to the present invention.