Anti-Greying Agent Composition for Laundry Detergents
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current laundry detergents are insufficient in preventing the redeposition of soil during washing, leading to fabric greying, despite the use of specific polysaccharides, indicating a need for more effective anti-greying agents that can be formulated in both dry and liquid forms.
Innovation Solution
A composition comprising two or more compounds of the general formula (I), where R is unsubstituted branched C9-C15-alkyl, G1 is selected from monosaccharides with 5 or 6 carbon atoms, and x is in the range of 1 to 10, differing in R and/or G1, is used as an anti-greying agent in laundry processes, capable of reducing fabric greying and formulated in dry or liquid form.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specific native or modified polysaccharides are added to reduce redeposition of soil, then anti-greying performance is improved, but the performance is still not sufficient
Solution Approach 1:
The patent changes the chemical structure parameters of the polysaccharide by introducing specific branched alkyl groups (C9-C15) at defined positions on the sugar rings, creating compounds with enhanced anti-greying properties that overcome the insufficiency of conventional polysaccharides
Solution Approach 2:
The invention creates a composite structure by combining modified sugar units (with branched alkyl substitutions) with polysaccharide chains, resulting in a material that exhibits superior anti-greying performance compared to native polysaccharides
2Reliability
If anti-greying agents are formulated to reduce fabric greying, then cleaning efficacy is improved, but formulation flexibility is limited
Solution Approach 1:
The patent describes compounds that can be effectively formulated in both dry and liquid detergent systems, making the anti-greying agent universally applicable across different product types and eliminating formulation flexibility limitations
Data Source
AI summary
The present invention refers to the use of a composition comprising two or more compounds of the general formula (I) as anti-greying agent in a laundry process.