Poly Alpha-1,3-Glucan Esters for Laundry Detergent Stain Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Laundry detergents face challenges in effectively removing body soils like sebum and maintaining whiteness, especially on polyester fabrics, while also requiring biodegradability and improved cleaning performance.
Innovation Solution
A laundry detergent composition comprising a detersive surfactant and a poly alpha-1,3-glucan ester compound with a linear backbone, low branching, and specific ester group modifications, which enhances stain removal and whiteness performance while being readily biodegradable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional laundry detergent compositions are used, then general cleaning performance is provided, but stain removal performance for body soils like sebum and whiteness performance on polyester fabric are insufficient
Solution Approach 1:
The patent introduces a specific polysaccharide derivative (poly alpha-1,3-glucan ester) with particular structural characteristics (linear backbone, low branching, specific ester groups) to target specific staining problems. This local quality approach focuses the cleaning action on body soils and polyester fabric whiteness while maintaining the general cleaning formulation.
Solution Approach 2:
The patent combines conventional detergent ingredients with a specific polysaccharide derivative to create a composite cleaning system. The polysaccharide derivative works synergistically with existing surfactants and additives to enhance stain removal and whiteness performance on polyester fabrics.
2Reliability
If polysaccharide derivatives are used to improve cleaning performance, then stain removal and whiteness performance are enhanced, but biodegradability may be compromised
Solution Approach 1:
The patent carefully controls the structural parameters of the polysaccharide derivative (degree of polymerization, branching content, ester group types and positions) to optimize both cleaning performance and biodegradability. The linear backbone with less than 10% branching and specific ester groups (acetyl, aryl ester, acyl) create a molecule that is effective but remains readily biodegradable.
3Reliability
If complex polymer structures are used to enhance cleaning performance, then stain removal is improved, but manufacturing complexity increases
Solution Approach 1:
Rather than using complex multi-component polymer systems, the patent achieves enhanced cleaning performance through a specific polysaccharide derivative with localized functional groups (ester groups at specific positions on the glucose units). This approach maintains manufacturing simplicity while delivering targeted cleaning action.
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 demonstrates improved stain removal and whiteness maintenance on polyester fabrics, particularly for sebum-based stains, while ensuring environmental sustainability through biodegradability.
Implementation Method 1
The present invention addresses this problem by providing a detergent composition that has good stain removal performance, especially on body soils like sebum
Implementation Method 2
providing good whiteness performance, and especially when cleaning polyester fabric
Implementation Method 3
There is also a need for such polysaccharide derivatives to be readily biodegradable. The polymers of the present invention also exhibit good biodegradation performance
Data Source
AI summary
The disclosure relates to a laundry detergent composition comprising: (i) detersive surfactant; and (ii) polyalpha-1,3-glucan compounds.