Water-Dissolvable Car Cleaning Sheet for Residue-Free Use
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Solution Overview
Problem
Conventional car cleaning sheets are non-dissolvable, leading to residual cleaning ingredients on car surfaces and cumbersome disposal after use.
Innovation Solution
A flexible, dissolvable car cleaning sheet (CCS) made from a combination of polyvinyl alcohol, cleaning composition, and fragrances, which dissolves completely in water, releasing all active ingredients for effective cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If non-dissolvable sheets are used for car cleaning, then the sheet can be reused and stacked in a package, but residual cleaning ingredients remain on car surfaces and the used sheet must be disposed of
Solution Approach 1:
The sheet material's dissolution parameter is changed from non-dissolvable to water-soluble, allowing the sheet to completely dissolve in water after use. This eliminates residual cleaning ingredients on car surfaces and simplifies disposal by dissolving the used sheet in water, directly resolving the contradiction between ease of disposal and harmful residuals.
2Ease of manufacture
If non-dissolvable sheets are used, then the sheet structure remains intact for stacking and storage, but the sheet requires disposal after use creating waste
Solution Approach 1:
The sheet is designed with controlled dissolution parameters - remaining stable during storage and manufacturing handling, but completely dissolving in water after use. This allows easy stacking and storage of dry sheets while eliminating waste disposal issues, as the used sheets can be dissolved in water rather than landfilled.
3Ease of operation
If a dissolvable sheet is used, then disposal is simplified by dissolving in water, but the sheet must remain stable during storage and handling before use
Solution Approach 1:
The sheet utilizes conditional parameter changes - remaining in a stable, non-dissolving state during storage and handling (dry condition), but transitioning to complete dissolution when exposed to water after use. This dual-state behavior resolves the contradiction between storage stability and disposal simplicity.
Solution Approach 2:
The sheet material undergoes a phase transition from a stable solid state during storage to a dissolved state when contacted with water. This phase change enables the sheet to maintain structural integrity for storage and handling, then easily dissolve for simplified disposal, directly addressing the contradiction between stability and ease of disposal.
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 dissolvable CCS provides a convenient and effective car cleaning solution by eliminating residual ingredients and simplifying disposal, while ensuring thorough cleaning and potential conditioning benefits.
Implementation Method 1
When wet or when in contact with water, said composition dissolves completely and releases all of its active ingredients
Data Source
AI summary
A flexible Car Cleaning Sheet (CCS) based on a combination of polyvinyl alcohol, a cleaning composition, perfumes and/or fragrances, binding agents, thickening agents, polymers such as starch, cellulose, and other ingredients that when the CCS is dried, it produces a composition that remains solid and flexible, and then dissolves completely in water. Once the ingredients for the composition of said CCS is mixed in proper ratios, it forms a liquid-based composition that is poured onto a drying plate and/or extruded onto a roll that is later cut to size. After the flexible and dissolvable CCS is produced, it can be used in a wide range of applications. When wet or when in contact with water, said CCS composition dissolves completely and releases all of its active ingredients which may include surfactants, chelating agents, dyes, fabric softeners, bleaching agents, enzymes, perfumes, fragrances, or perfume micro capsules, or a combination thereof.