Laundry Composition Synergy for Knitted Cotton Softness
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Solution Overview
Problem
Existing laundry compositions fail to effectively maintain the softness of knitted cotton fabrics after multiple wash cycles, necessitating improved softening performance.
Innovation Solution
An ancillary laundry composition comprising a soil release polymer, silicone, less than 4 wt.% surfactant, and water is delivered during the wash or rinse stage, leveraging the synergy between soil release polymers and silicone to enhance the softening of knitted cotton.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional detergent-only treatments are used, then the laundry process is simple, but the softening performance of knitted cotton is insufficient
Solution Approach 1:
The patent applies composite materials by combining soil release polymers and silicones in a single laundry composition. This composite approach creates synergistic effects where the soil release polymer provides anti-soiling properties while the silicone delivers softening benefits, achieving enhanced softening performance for knitted cotton that neither component could achieve alone.
Solution Approach 2:
The invention merges two distinct functional components - soil release polymer and silicone - into one integrated laundry composition. This combining allows the composition to simultaneously deliver soil release and softening functions, resolving the contradiction between maintaining simplicity and improving softening performance.
2Reliability
If soil release polymer alone is used, then the composition is simple, but it does not deposit on cotton material and provides limited softening
Solution Approach 1:
The silicone acts as an intermediary that facilitates the deposition of soil release polymer on cotton fabric. Since soil release polymers alone do not deposit well on cotton, the silicone component serves as a mediator that enables effective deposition, thereby allowing the softening effect to be realized on knitted cotton surfaces.
Solution Approach 2:
By creating a composite system of soil release polymer and silicone, the invention overcomes the limitation of poor deposition. The composite materials work together where silicone enhances the deposition capability of the soil release polymer on cotton, enabling both components to function effectively together.
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 significantly improves the softness and smoothness of knitted cotton fabrics, as demonstrated by increased friction reduction measurements, outperforming traditional detergent-only treatments.
Implementation Method 1
a synergy has been found to exist between soil release polymers and silicone polymers which leads to improved softening of knitted cotton
Implementation Method 2
a synergy has been found to exist between soil release polymers and silicone polymers which leads to improved softening of knitted cotton
Data Source
AI summary
Method for softening knitted cotton, wherein knitted cotton is treated with an ancillary laundry composition comprising: a. Soil release polymer b. Silicone c. less than 4 w.t. % surfactant; and d. Water wherein the method comprises delivering the ancillary laundry composition into the wash or rise stage and comprises the steps of: a. Pouring a laundry product into a washing receptacle, a washing machine drawer, or a dosing shuttle b. Pouring the ancillary laundry composition on top of the laundry product. Use of the method for softening knitted cotton.