Moisture-Responsive Fabric Structure for Sweat Release and Skin Separation

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Solution Overview

Problem

Wearable textiles adhere to the user's skin as sweat or ambient humidity increases, reducing wearing comfort.

Innovation Solution

A moisture-response deforming fabric composed of 40-70 parts ordinary yarn and 30-60 parts moisture-response stretching nylon yarn, with the nylon yarn having a specific composition and properties, allowing for deformation and air-permeable adjustment under varying humidity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If wearable textiles are used, then the fabric provides basic coverage and protection, but the fabric adheres to the user's skin when sweat or ambient humidity increases, reducing wearing comfort

Engineering Contradiction:

Improveadhesion to skinVSAvoidwearing comfort

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The fabric structure dynamically changes in response to moisture levels. The nylon yarns absorb moisture from sweat or ambient humidity, causing the fabric to deform and increase air permeability automatically, transforming the fabric from a static barrier to a dynamic moisture-managing system that prevents skin adhesion

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The fabric utilizes changes in physical parameters (moisture content, porosity, air permeability) to functionality. When the nylon yarns absorb moisture, the fabric's porosity and air permeability increase, creating breathability that counteracts the adhesion problem. This parameter-based response allows the fabric to adapt to varying humidity conditions

Inventive Principle:

Principle #35Parameter changes

2Reliability

If the fabric structure is made denser to improve coverage, then protection is enhanced, but air permeability and moisture release are reduced

Engineering Contradiction:

Improvecoverage and protectionVSAvoidair permeability and moisture release

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The fabric transitions from a static dense structure to a dynamic structure that adjusts porosity based on moisture levels. The knitted fabric with nylon yarns absorbs moisture and deforms to open up air channels, automatically balancing coverage with breathability without requiring active control mechanisms

Inventive Principle:

Principle #15Dynamics

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 releases sweat, maintaining comfort and dryness by adjusting porosity and three-dimensional height, reducing stickiness and enhancing wearing comfort.

Implementation Method 1

the moisture-response stretching nylon yarn has a good elongation property when absorbing moisture

Methodology Applied

Scientific EffectMoisture absorption: Absorption (physical)

Implementation Method 2

has a good shrinkage recovery property when releasing moisture

Methodology Applied

Scientific EffectMoisture release: Evaporation

Implementation Method 3

A water-vapour permeability index (imt) of the moisture-response deforming fabric is greater than or equal to 0.35

Methodology Applied

Scientific EffectVapor permeation: Permeation

Data Source

PatentUS12553159B2Moisture-response deforming fabric

Publication Date: 2026.02.17 TAIWAN TEXTILE RESEARCH INSTITUTE

AI summary

A moisture-response deforming fabric includes 40 parts by weight to 70 parts by weight of an ordinary yarn and 30 parts by weight to 60 parts by weight of a moisture-response stretching nylon yarn. A water-vapour permeability index (imt) of the moisture-response deforming fabric is greater than or equal to 0.35 under a measurement of the validation FTTS-FP-161.