Conditioning Gel Network Stabilizes Shampoo Oil Phase
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Solution Overview
Problem
Existing conditioning shampoo compositions face challenges in maintaining stability, particularly at elevated temperatures, which affects their performance and usability.
Innovation Solution
A conditioning shampoo composition is developed with specific viscosity ranges and the inclusion of polyalphaolefin, triglyceride, and hydrocarbon oils, along with a conditioning gel network comprising anionic and cationic surfactants, to enhance stability and conditioning benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If oils are included in shampoo composition to enhance conditioning benefits, then conditioning performance is improved, but product stability at raised temperatures deteriorates
Solution Approach 1:
The patent introduces a gel network forming system comprising a fatty material, an anionic surfactant, and a cationic surfactant as an intermediary structure. This gel network acts as a stabilizing matrix that entraps the oil ingredients, preventing their separation or degradation at elevated temperatures while still allowing them to provide conditioning benefits. The gel network serves as the mediator between the oil ingredients and the aqueous shampoo base, enabling coexistence of incompatible components.
Solution Approach 2:
The patent creates a composite shampoo composition by combining multiple phases: an aqueous phase containing surfactants, an oil phase containing conditioning oils, and a gel network phase formed by the interaction of fatty material with anionic and cationic surfactants. This composite structure allows each component to maintain its properties while contributing to overall product stability and performance, particularly at raised temperatures where the gel network provides structural integrity.
2Stability of the object's composition
If a conditioning gel network is formed using fatty material and surfactants, then stability at raised temperatures is improved, but product complexity increases
Solution Approach 1:
The patent utilizes parameter changes in the surfactant system to form the gel network. By selecting specific combinations of anionic and cationic surfactants with appropriate hydrophobic chain lengths, and by controlling the ratio between fatty material and surfactants, the system self-assembles into a gel network structure. This approach achieves temperature stability through parameter optimization rather than adding complex stabilizing agents or processing steps.
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 achieves improved stability and conditioning effects, maintaining its integrity and performance even at raised temperatures, as demonstrated by viscosity measurements and sensory panel evaluations.
Implementation Method 1
a conditioning gel network comprising: (a) fatty material; (b) a gel network anionic surfactant comprising an alkyl group with from 16 to 30 carbons; (c) cationic surfactant
Data Source
AI summary
Conditioning shampoo composition with an oil selected from polyalphaolefin oils, ester oils, triglyceride oils, hydrocarbon oils and mixtures thereof dispersed therein, the composition comprising from 1-26% wt. cleansing phase, a conditioning gel network, a polymeric suspending agent and a cationic deposition polymer.