Dishwashing Detergent Composition for Silver Corrosion Protection
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Solution Overview
Problem
Existing automatic dishwashing detergent compositions that inhibit silver corrosion using benzotriazole (BTA) and/or 4-methyl-1H-benzotriazole (TTA) are toxic to aquatic life and harmful to the environment, necessitating a sustainable and effective alternative.
Innovation Solution
A dishwashing detergent composition comprising reducing monosaccharides and disaccharides, such as those derived from tamarind extract, to inhibit silver corrosion without using BTA and TTA, combined with a phosphate-free builder and specific surfactants and polymers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If BTA and/or TTA are used to inhibit silver corrosion, then silver corrosion protection is improved, but environmental toxicity increases
Solution Approach 1:
The patent changes the chemical composition parameters by replacing benzotriazole derivatives with alternative corrosion inhibitors that have different molecular structures and environmental profiles, maintaining corrosion protection while reducing toxicity
Solution Approach 2:
The patent uses readily available, biodegradable ingredients in the detergent composition that can be easily broken down by microorganisms, replacing persistent synthetic chemicals with shorter-lived, environmentally benign alternatives
2Productivity
If bleach-containing compositions are used to clean bleachable soils, then cleaning efficacy is improved, but silver tarnishing increases
Solution Approach 1:
The patent introduces corrosion inhibitor ingredients as intermediary substances that mediate between the bleach and silverware, protecting the silver from oxidative damage while allowing the bleach to continue cleaning other surfaces effectively
Solution Approach 2:
The patent applies corrosion inhibitors in advance to create a protective layer on silver surfaces before the bleach acts on the dishes, preventing tarnishing before it can occur
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 effectively inhibits silver corrosion while reducing the release of harmful benzotriazoles into the environment, maintaining cleaning efficacy comparable to BTA/TTA-based formulations.
Implementation Method 1
The present invention relates to a dishwashing, preferably an automatic dishwashing, detergent composition... comprising at least one reducing monosaccharide and/or at least one reducing disaccharide
Data Source
AI summary
The present invention is related to a dishwashing, preferably an automatic dishwashing, detergent composition wherein the detergent composition comprises at least one reducing monosaccharide and/or at least one reducing disaccharide.The present invention is also related to the use of such an inventive dishwashing, preferably an automatic dishwashing, detergent composition for silver corrosion protection of silver dishes during a dishwashing, preferably during an automatic dishwashing, process.Furthermore, the present invention is related to the use of a dishwashing, preferably an automatic dishwashing, detergent composition comprising tamarind extract, which comprises a mixture of reducing monosaccharides and reducing disaccharides for silver corrosion protection of silver dishes during a dishwashing, preferably during an automatic dishwashing, process.