Phosphate Ester Hard Surface Cleaning Composition
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Solution Overview
Problem
Conventional hard surface cleaning compositions fail to provide durable anti-deposition and anti-adhesion properties, leading to issues with hard water deposits and limited durability of hydrophilicity, especially on low surface energy substrates.
Innovation Solution
A composition comprising mono-, di-, and polyol phosphate esters, such as PEG phosphate esters, is used to treat hard surfaces, imparting persistent anti-deposition and anti-adhesion properties by depositing a hydrophilizing layer that reduces oil adsorption and facilitates easy cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cleaning compositions are used, then cleaning action is achieved, but hard water deposits form and hydrophilicity is not durable
Solution Approach 1:
The invention changes the chemical composition parameters by incorporating specific polymers (polybetaines, polyampholytes, or copolymers of cationic and anionic/acidic monomers) with specific functional groups that can bind to metal ions in hard water. This chemical parameter change prevents hard water deposit formation while maintaining durable hydrophilicity through electrostatic interactions and chelating effects.
Solution Approach 2:
The invention uses composite polymer structures combining both cationic and anionic functional groups within the same polymer chain or mixture. This composite structure allows simultaneous interaction with both water molecules (maintaining hydrophilicity) and metal ions (preventing hard water deposits), resolving the contradiction between durable hydrophilicity and hard water deposit prevention.
2Reliability
If surfactants are used to improve hydrophilicity, then cleaning performance is enhanced, but the surfactants wash off easily and durability is poor
Solution Approach 1:
The invention changes from conventional surfactant molecules to high molecular weight polymer structures with multiple functional groups. This parameter change in molecular weight and structure provides multivalent binding to surfaces, dramatically improving retention time and durability of hydrophilic properties while maintaining cleaning performance.
Solution Approach 2:
The polymer structures provide localized high-density functional groups at the surface interface, creating zones of enhanced hydrophilicity and binding strength. This local concentration of functional groups ensures durable hydrophilic properties and resistance to washing off, unlike uniformly distributed conventional surfactants.
3Reliability
If high energy treatments like plasma or ozone are applied, then hydrophilicity is improved, but the treatment is expensive and charges dissipate on thermoplastics
Solution Approach 1:
The invention replaces expensive, technically sophisticated high energy treatments (plasma, ozone) with simple, low-cost polymer applications. The polymer compositions are inexpensive, easy to apply, and provide durable hydrophilic properties without requiring complex equipment or energy-intensive processes.
Solution Approach 2:
The polymer acts as an intermediary substance that provides the hydrophilic function without requiring direct high energy treatment of the substrate. The polymer molecules mediate between the substrate surface and water, providing durable hydrophilicity through their amphiphilic structure and surface-binding capabilities.
4Reliability
If surfactants are used to treat surfaces, then hydrophilicity is improved, but they alter water properties by lowering surface tension
Solution Approach 1:
The invention changes from low molecular weight surfactants to high molecular weight polymers, altering the concentration and mode of action. The polymers provide hydrophilic properties through surface binding and structural effects rather than by bulk water interaction, thus maintaining water's natural surface tension and properties while achieving durable hydrophilicity.
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 phosphate ester treatment significantly enhances the durability of hydrophilicity, reduces hard water deposits, and improves cleaning efficiency on various surfaces, including those with low surface energy, while being cost-effective and non-toxic.
Implementation Method 1
the adsorption of polyethylene oxide (PEG)... In all cases specific chemical groups are attached to the initial surface
Implementation Method 2
Many different approaches can be used to change the surface energy (hydrophilicity/hydrophobicity) and thus the adhesion properties of a given material
Data Source
AI summary
A composition for cleaning or rinsing hard surfaces in an aqueous or aqueous/alcoholic medium including at least one organophosphorus material for contributing to said surfaces antideposition and/or antiadhesion properties with regard to soiling substances capable of being deposited on the surfaces.