Cationic Poly Alpha-1,6-Glucan Ether Deposition Aid
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Solution Overview
Problem
There is a need for treatment compositions, such as fabric care and dish care compositions, that can improve the deposition or performance of active ingredients while being derived from renewable resources and maintaining compatibility with other ingredients.
Innovation Solution
The use of cationic poly alpha-1,6-glucan ether compounds, which are derived from poly alpha-1,6-glucans substituted with positively charged organic groups, provides softness benefits and acts as a deposition aid in treatment compositions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If deposition aids are used to improve the deposition of active ingredients, then deposition efficiency is improved, but compatibility with other ingredients and stability of the treatment composition may be compromised
Solution Approach 1:
The patent applies parameter changes by carefully controlling the degree of substitution (DS) of the cationic polyalpha-1,6-glucan ether within a specific range (0.01 to 3.0). By adjusting this parameter, the composition achieves optimal balance between deposition efficiency (enhanced by cationic charge) and compatibility/stability (maintained by limiting excessive substitution that could cause precipitation or incompatibility with other ingredients).
Solution Approach 2:
The patent uses composite materials by combining cationic polyalpha-1,6-glucan ether with other treatment composition ingredients. The glucan ether acts as a deposition aid that is compatible with surfactants, enzymes, and other common detergent ingredients, creating a composite system that achieves both improved deposition and maintained stability through careful material selection and formulation.
2Productivity
If polysaccharides are used to improve deposition and performance, then deposition efficiency is improved, but the materials must be derived from renewable resources and processed conveniently
Solution Approach 1:
The patent employs a polysaccharide-based deposition aid (cationic polyalpha-1,6-glucan ether) that is derived from renewable resources through enzymatic synthesis. This biodegradable polymer serves as a cost-effective, environmentally friendly alternative to synthetic deposition aids, providing the necessary deposition functionality while being easily processed and compatible with conventional treatment composition manufacturing processes.
3Productivity
If cationic polysaccharides are used as deposition aids, then deposition of active ingredients is improved, but viscosity and stability of the treatment composition must be maintained
Solution Approach 1:
The patent controls the degree of substitution parameter to maintain the treatment composition's stability and viscosity. By limiting the DS to a specific range and selecting appropriate molecular weights, the composition achieves improved deposition through cationic charge while preventing excessive thickening or precipitation that would occur with higher substitution levels, thus maintaining processability and stability.
Data Source
AI summary
Treatment compositions, such as fabric care or dish care compositions, that include poly alpha-1,6-glucan ether compounds, which include poly alpha-1,6-glucans substituted with at least one positively charged organic group, the compounds being characterized by, for example, a degree of substitution of about 0.001 to about 3.0, and optionally, where about 3% or more of the backbone glucose monomer units have branches via alpha-1,2- and/or alpha-1,3-glycosidic linkages. Methods related to making and using such compositions.