Method for cleaning hard articles
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Solution Overview
Problem
Cleaning agents used in dishwashers and for hard surfaces often exhibit high foamability, which can reduce cleaning effectiveness and require defoaming agents, while simultaneously needing strong cleaning power, especially against oil stains, posing a challenge in achieving both high cleaning power and foam suppression.
Innovation Solution
A liquid cleaning agent composition containing 1-500 ppm of a branched alkyl sulfosuccinate ester with a branched alkyl group of 9 or 10 carbons, which effectively suppresses foam formation and maintains high cleaning power against oil stains, even at low concentrations, by adsorbing slowly to gas-liquid interfaces and reducing surface tension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional surfactants are used in cleaning agents, then cleaning power against oil stains is improved, but foamability increases which reduces cleaning effectiveness in dishwashers
Solution Approach 1:
The patent changes the chemical structure parameters of the surfactant by using branched alkyl groups with 9 or 10 carbons in the sulfosuccinate ester, which fundamentally alters the foamability and cleaning power characteristics to achieve both high cleaning effectiveness and low foam formation
Solution Approach 2:
The cleaning agent uses a composite surfactant system combining branched alkyl sulfosuccinate esters with specific structural features, creating a material that exhibits both high cleaning power and inherent foam suppression without requiring additional defoaming agents
2Object-generated harmful factors
If defoaming agents are added to suppress foam, then foam formation is reduced, but cleaning effectiveness is compromised
Solution Approach 1:
The branched alkyl sulfosuccinate ester surfactant inherently possesses foam suppression properties due to its molecular structure, making the cleaning agent self-regulating in foam control without requiring separate defoaming agents that would compromise cleaning effectiveness
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 composition achieves excellent cleaning power against oil stains with minimal foam formation, enhancing the efficiency of cleaning processes in dishwashers and on hard surfaces without the need for defoaming agents, as it forms less than 1 cm of foam and maintains effective cleaning performance.
Implementation Method 1
by adsorbing slowly to gas-liquid interfaces and reducing surface tension
Implementation Method 2
by adsorbing slowly to gas-liquid interfaces and reducing surface tension
Data Source
AI summary
The present invention is a method for cleaning hard articles including, cleaning a hard article to which an oil stain is adhered with a cleaning liquid containing 1 ppm or more and less than 500 ppm of (a) a branched alkyl sulfosuccinate ester having a branched alkyl group with 9 or 10 carbons and water.