Wetness indicator fabric
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Solution Overview
Problem
Conventional garments do not effectively indicate moisture absorption, leading to discomfort and unawareness of wet conditions, especially in environments like grass fields.
Innovation Solution
A wetness indicator fabric with a water-repellant coating pattern that becomes visible upon moisture absorption, providing visual cues while maintaining breathability and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a water-repellant coating is applied to the entire fabric surface, then moisture protection is improved, but breathability deteriorates
Solution Approach 1:
The patent applies water-repellant coating only to specific discrete shapes (circles, squares, triangles, polygons) rather than the entire fabric surface. This localized application provides moisture protection at targeted areas while leaving the rest of the fabric breathable, thus resolving the contradiction between moisture protection and breathability.
2Loss of information
If the water-repellant coating pattern is applied, then visual indication of wetness is improved, but manufacturing complexity increases
Solution Approach 1:
The patent utilizes the color change property of water-repellant coatings when they become wet. The discrete shaped coatings change appearance upon contact with moisture, providing visual indication of wetness conditions. This approach achieves information transmission through simple material property changes rather than complex sensing mechanisms.
3Object-generated harmful factors
If discrete shaped water-repellant coatings are applied, then breathability is improved, but moisture protection deteriorates
Solution Approach 1:
The patent divides the water-repellant coating into multiple discrete shapes (circles, squares, triangles, polygons) distributed across the fabric surface. This segmentation allows the fabric to maintain breathability in the spaces between shapes while providing moisture protection at each discrete coated area, balancing both requirements.
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 fabric effectively signals moisture presence through a visible pattern, protecting against saturation and maintaining comfort without compromising breathability.
Implementation Method 1
the exposed surface is provided with a water-repellant coating material applied in a pattern on at least a portion of the wetness indicator fabric or textile
Data Source
Figure 1A~1B
Figure 1C
Figure 2
AI summary
The technology described herein relates to a wetness indicator textile material comprising: a first surface and a second surface; and a pattern of a water-repellant coating applied on to the first surface, the pattern comprising a plurality of discrete shapes, wherein each shape is surrounded by one or more portions of the textile material that do not have the water-repellant coating applied on to the first surface, and wherein a size of the plurality of discrete shapes is greater at a first area of the textile material as compared to a second area of the textile material. Further, the technology described herein relates to a method of making such wetness indicator textile material.