Polyester Terephthalate Polymer for Opaque Liquid Detergent
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Solution Overview
Problem
Compact liquid laundry detergent compositions face challenges in achieving opacity without adding non-performance value opacifying agents, which limits their cleaning performance due to space constraints and the need to reduce concentrations of other cleaning ingredients.
Innovation Solution
A polymer composition comprising between 5% and 40% by weight of a polyester terephthalate with anionic groups, combined with 5% to 40% water and 55% to 85% non-aqueous solvent, provides opacity to liquid laundry detergent compositions without the need for additional opacifying agents, ensuring effective soil release benefits and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If opacifying agents are added to make the detergent composition opaque, then the aesthetic appearance and perceived effectiveness are improved, but the cleaning performance deteriorates due to reduced concentration of cleaning ingredients
Solution Approach 1:
The polymer composition serves dual functions: it provides cleaning performance through its active ingredients while simultaneously delivering opacity through its physical properties in the liquid detergent formulation, eliminating the need for separate opacifying agents
Solution Approach 2:
The invention merges the functions of cleaning agent and opacifying agent into a single polymer composition, where the polymer itself and its associated ingredients provide both cleaning efficacy and optical opacity in one integrated formulation
2Volume of stationary object
If the detergent composition is made more compact to reduce bulk, then the environmental friendliness and packaging efficiency are improved, but the space for adding performance ingredients is reduced
Solution Approach 1:
The invention changes the physical and chemical parameters of the detergent formulation by using a polymer-based system that provides multiple functions (cleaning, opacity, and potential soil release) within a compact volume, allowing high active ingredient concentration without compromising opacity
3Illumination intensity
If non-aqueous solvent is used to achieve opacity, then the aesthetic appearance is improved, but the stability of the detergent composition deteriorates
Solution Approach 1:
The polymer composition acts as an intermediary substance that provides opacity without requiring large amounts of non-aqueous solvents, thereby maintaining the stability and compatibility of the overall detergent formulation while achieving the desired optical properties
Data Source
Figure 1
AI summary
The present invention relates to a polymer composition and a method of making a liquid laundry detergent composition using the polymer composition.