Laundry Pretreatment Composition Using Fatty Alcohols for Stability
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Solution Overview
Problem
Conventional laundry pretreatment compositions often fail to maintain long-term stability at various storage temperatures, leading to decreased stain removal performance due to enzyme degradation, and may cause discoloration or incompatibility with delicate fabrics due to bleach components.
Innovation Solution
A stable aqueous emulsion composition incorporating nonionic surfactants, detersive enzymes, and fatty alcohols as stabilizers, along with optional thickeners, borax, pH adjusters, and preservatives, which excludes bleach components to enhance stability and stain removal without discoloration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If bleach components are added to pretreatment compositions to enhance stain removal, then stain removal performance is improved, but fabric discoloration occurs and compatibility with other ingredients deteriorates
Solution Approach 1:
The patent removes bleach components from the pretreatment composition entirely, extracting the harmful element while preserving the core function of stain removal through enzyme-based mechanisms alone. This resolves the contradiction by eliminating the source of fabric discoloration while maintaining cleaning effectiveness through alternative means.
Solution Approach 2:
The patent converts the harmful oxidative action of bleach into a beneficial enzymatic process. Instead of using harsh chemicals that discolor fabric, the composition employs enzymes that selectively break down stain molecules without affecting fabric color, transforming a harmful approach into a beneficial one.
2Productivity
If enzymes are added to pretreatment compositions to enhance stain degradation, then stain removal performance is improved, but long-term stability at storage temperatures deteriorates
Solution Approach 1:
The patent modifies the physical state and chemical environment parameters of the enzyme formulation. By creating an anhydrous or low-water-activity environment and selecting enzymes with enhanced stability profiles, the composition maintains enzyme activity for stain removal while preventing degradation during long-term storage at various temperatures.
Solution Approach 2:
The patent employs a composite formulation combining multiple stabilizing agents, protective carriers, and enzyme formulations working synergistically. This composite approach creates a stable matrix that protects enzymes from degradation while allowing them to function effectively when applied to stains.
3Stability of the object's composition
If conventional detergent formulations are used to maintain composition stability, then long-term stability is improved, but enzyme activity and stain removal performance deteriorate
Solution Approach 1:
The patent applies different quality requirements to different components and conditions. The formulation provides stable, protected conditions for enzyme storage (anhydrous environment, controlled pH, protective agents) while creating an activated state with higher water activity and optimal conditions when applied to stains. This local differentiation of conditions resolves the contradiction between stability and activity.
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 maintains long-term stability and effective stain removal performance across different temperatures, ensuring enzyme activity is preserved and preventing fabric discoloration, with improved cleaning performance on tough stains.
Implementation Method 1
a liquid composition for treatment of stained fabric is disclosed. The composition may be an aqueous emulsion that includes a fatty alcohol as a stabilizer
Implementation Method 2
The emulsion may include one or more nonionic surfactants, detersive enzymes, borax, cleaning agents, fragrances, pH adjusting agents, thickeners, and preservative
Implementation Method 3
when used in laundry detergent compositions enzymes may degrade a wide variety of soils or stains that are deposited on or embedded within fabrics or otherwise change the properties of the same
Data Source
AI summary
A liquid composition for treatment of stained fabric is disclosed. The composition may be an aqueous emulsion that includes a fatty alcohol as a stabilizing agent. The composition may also include one or more nonionic surfactants, detersive enzymes, borax, cleaning agents, fragrances, pH adjusting agents, thickeners, and preservatives. The composition may remain a stable emulsion after even long term storage at various temperatures. Moreover, the composition's improved stability is achieved without significantly sacrifice of its stain removal performance.