Liquid Detergent Composition for Perfume Solubility and Clarity
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Solution Overview
Problem
Surfactant-containing compositions face issues with perfume solubility, leading to cloudiness, instability, and inconsistent fragrance performance due to incomplete solubilization, which previous methods like increasing surfactant levels cannot adequately address.
Innovation Solution
A liquid detergent composition comprising 5-20% surfactant, 0.1-3% C8-C10 fatty acid, and perfume ingredients with a carbon-to-oxygen ratio of 5:1 to 20:1 and molecular weight of 155 Daltons or higher, achieving a transmittance of at least 70% without opacifiers or encapsulates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surfactant levels are increased to solubilize perfume, then perfume solubility improves, but formulation flexibility and cost-effectiveness worsen
Solution Approach 1:
The patent introduces C8-C10 fatty acids as intermediary substances that mediate between the surfactant and perfume ingredients. These fatty acids act as co-solvents that specifically enhance the solubility of high molecular weight perfume ingredients without requiring increased surfactant levels, thus maintaining formulation flexibility while improving perfume solubility.
Solution Approach 2:
The invention creates a composite solubilization system combining surfactants with C8-C10 fatty acids. This composite approach leverages the synergistic effects of both components, where the fatty acids complement the surfactant action to achieve superior perfume solubility at lower overall surfactant concentrations, preserving formulation versatility.
2Device complexity
If perfume is inadequately solubilized, then formulation simplicity is maintained, but product stability and fragrance consistency worsen
Solution Approach 1:
The patent addresses product stability by changing the chemical parameters of the solubilization system. Specifically, it introduces C8-C10 fatty acids with particular chain lengths and incorporates them at optimized concentrations (0.1-5% of perfume weight), which fundamentally alters the solubilization mechanism to achieve complete perfume dissolution and prevent phase separation.
3Reliability
If C8-C10 fatty acid is added to solubilize perfume, then perfume solubility improves, but formulation complexity increases
Solution Approach 1:
The patent applies local quality by selecting fatty acids with specific local characteristics - C8-C10 chain lengths that are optimal for solubilizing high molecular weight perfume ingredients. This targeted selection of fatty acids with particular properties allows effective solubilization without requiring complex formulation strategies, as the specific chain length range provides the necessary solubilizing power.
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 effectively solubilizes perfume ingredients, maintaining clarity and stability, preventing phase separation, and ensuring consistent fragrance delivery.
Implementation Method 1
combining the perfume ingredient with a C8-C10 fatty acid; wherein the ratio by weight of surfactant to C8-C10 fatty acid is from about 200:1 to about 2:1 and the surfactant containing composition has a percent transmittance of at least 70%
Data Source
AI summary
Detergent compositions can include a surfactant; cloudiness causing perfume ingredient; and octanoic acid, nonanoic acid, decanoic acid, or a combination thereof. Also included are methods of solubilizing cloudiness causing perfume ingredients.