Liquid Detergent Interference Pigment Suspension
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Solution Overview
Problem
Existing liquid detergent compositions with aesthetic agents, such as pigments, often deposit on treated surfaces, particularly dark fabrics, leading to visible residues that detract from the cleaning appearance and consumer perception.
Innovation Solution
Incorporating a colored interference pigment with an absorbance minimum in the 380-750 nm range, combined with a dye system showing complementary colors, to create a two- or multi-tone optical effect while maintaining the pigment in suspension and minimizing surface deposits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If aesthetic agents such as pigments are incorporated into liquid detergent compositions, then the aesthetic appeal and visual attractiveness of the composition are improved, but deposits or residues are formed on the surface being treated, particularly on dark fabrics
Solution Approach 1:
The patent extracts the harmful deposition property from the aesthetic agent by using a specifically engineered interference pigment that reflects light to create aesthetic effects without adhering to fabric surfaces. The pigment is designed to remain suspended in the liquid detergent and be rinsed away, separating the aesthetic function from the harmful deposition function.
Solution Approach 2:
The patent changes the physical and chemical parameters of the aesthetic agent by selecting an interference pigment with specific properties: particle size of 0.1-10 micrometers, specific refractive index, and surface treatment that prevents adhesion to fabric. These parameter changes allow the pigment to provide aesthetic effects while minimizing deposition.
2Illumination intensity
If pigments are used to create aesthetic effects, then the visual appeal of the detergent composition is enhanced, but the perception of cleanliness is reduced due to visible residues
Solution Approach 1:
The patent applies the principle of disposable aesthetic agents by using an interference pigment that is designed to be temporary and easily removed. The pigment provides aesthetic effects during the washing process but is formulated to be completely rinsed away, leaving no permanent residues that would affect cleanliness perception.
3Illumination intensity
If aesthetic agents are incorporated into the detergent composition, then the aesthetic system provides attractive color effects, but the complexity of the composition increases
Solution Approach 1:
The patent merges the aesthetic function with the existing detergent composition by incorporating the interference pigment into the liquid matrix without requiring separate aesthetic modules or complex multi-component systems. The pigment is integrated into the surfactant and water-based formulation, combining aesthetic effects with cleaning functionality.
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 solution enhances the aesthetic appeal of liquid detergents by providing attractive color effects without unacceptable residues on washed surfaces, improving fabric safety and maintaining the cleanliness perception.
Implementation Method 1
a colored interference pigment showing an absorbance minimum in the 380-750 nm range of light spectrum
Implementation Method 2
a colored interference pigment showing an absorbance minimum in the 380-750 nm range of light spectrum
Data Source
AI summary
Treatment composition, preferably liquid detergent compositions exhibiting a two, or multicolor effect, comprising an aesthetic system including a colored interference pigment and a dye system.