Monocationic Polyhydroxyl Compounds for Personal Care Humectancy
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Solution Overview
Problem
Conventional polyhydroxyl compounds and quaternary ammonium compounds lack novel properties to differentiate performance or offer synergistic effects in personal care compositions, particularly in terms of humectancy and compatibility in cosmetic products.
Innovation Solution
Development of monocationic polyhydroxyl compounds, specifically salts of Formula (I), derived from reactions between 3-chloro-1,2-propanediol and amino ether alcohols, which are cosmetically acceptable and can be used in personal care compositions to provide humectancy and improved performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional polyhydroxyl compounds and quaternary ammonium compounds are used in personal care compositions, then basic humectancy and surfactant functions are provided, but novel properties to differentiate performance and synergistic effects are lacking
Solution Approach 1:
The patent combines the humectant functionality of polyhydroxyl compounds with the surfactant properties of quaternary ammonium compounds into a single hybrid molecule. This merging creates a compound that simultaneously provides both functions plus additional novel properties like enhanced conditioning and anti-static effects, thereby achieving performance differentiation and synergistic effects without requiring multiple separate ingredients.
Solution Approach 2:
The hybrid compounds are designed to perform multiple functions within a single molecular structure: humectancy through polyhydroxyl groups, surfactant activity through quaternary ammonium moieties, and additional benefits such as hair conditioning, static control, and skin compatibility. This multi-functionality allows the single compound to replace multiple conventional ingredients while providing differentiated performance.
2Reliability
If conventional compounds are used to provide basic humectancy, then moisture retention is achieved, but improved wet and dry feel and combability are not obtained
Solution Approach 1:
The hybrid compounds exhibit different functional properties at different molecular levels: the polyhydroxyl portion provides localized humectant action for moisture retention, while the quaternary ammonium portion provides localized surfactant action for improved wet feel and combability. This local differentiation of functional quality within the single molecule addresses both the reliability of humectancy and the ease of operation regarding sensory properties.
Data Source
AI summary
Described are novel monocationic polyhydroxyl compounds and their uses in personal care compositions.