Thermoplastic non-woven textile elements
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Solution Overview
Problem
The complexity of manufacturing products from multiple textile elements increases time, expense, and waste due to the need for precise cutting and joining, making it difficult to achieve desired properties in different areas and complicating recyclability.
Innovation Solution
A non-woven textile formed from thermoplastic polymer filaments that can be fused to varying degrees to create regions with specific properties such as permeability, durability, and stretch-resistance, allowing for the integration of these properties into products like apparel and footwear through heatbonding with other textile elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple textile elements are used to impart different properties to different areas, then product performance is improved, but manufacturing complexity and waste increase
Solution Approach 1:
The textile element is divided into multiple zones with different knit structures within a single continuous piece. Different zones have different properties (e.g., compression levels, breathability, elasticity) achieved through varying stitch patterns, yarn types, or knitting densities in specific regions during the knitting process, eliminating the need to cut and join separate pieces
Solution Approach 2:
Multiple functional zones that would traditionally require separate textile pieces are merged into a single continuously knitted textile element. The knitting machine produces one integrated piece with spatially varying properties by changing knitting parameters during production, combining multiple functions in one homogeneous structure
2Adaptability or versatility
If multiple textile elements are joined through stitching or adhesive bonding, then desired properties are achieved, but manufacturing time and expense increase
Solution Approach 1:
The textile element is divided into multiple zones with different knit structures within a single continuous piece. Different zones have different properties (e.g., compression levels, breathability, elasticity) achieved through varying stitch patterns, yarn types, or knitting densities in specific regions during the knitting process
Solution Approach 2:
Multiple functional zones that would traditionally require separate textile pieces are merged into a single continuously knitted textile element. The knitting machine produces one integrated piece with spatially varying properties by changing knitting parameters during production
3Adaptability or versatility
If extensive cutting and stitching is performed, then tailored properties are achieved, but material waste accumulates
Solution Approach 1:
The textile element is divided into multiple zones with different knit structures within a single continuous piece. Different zones have different properties (e.g., compression levels, breathability, elasticity) achieved through varying stitch patterns, yarn types, or knitting densities in specific regions during the knitting process
Solution Approach 2:
Multiple functional zones that would traditionally require separate textile pieces are merged into a single continuously knitted textile element. The knitting machine produces one integrated piece with spatially varying properties by changing knitting parameters during production
4Adaptability or versatility
If multiple textile elements and materials are incorporated, then different properties are imparted to different portions, but recyclability becomes difficult
Solution Approach 1:
Different regions of the same textile element have different local properties (compression, breathability, elasticity) achieved through varying knit structures, yarn compositions, or stitch patterns in specific zones during the knitting process, while the entire element remains a single homogeneous material type suitable for recycling
Solution Approach 2:
A single textile element performs multiple functions (different compression levels, breathability zones, structural support areas) through spatially varying knit structures within one homogeneous material, making it both multi-functional and recyclable as a single material type
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
This approach reduces material waste, enhances manufacturing efficiency, and improves recyclability by allowing for the creation of products with tailored properties without the need for extensive cutting and stitching, while also providing improved durability and comfort.
Implementation Method 1
heating and melting the thermoplastic polymer material
Implementation Method 2
melting the thermoplastic polymer material within the non-woven textile
Implementation Method 3
heatbonding first surface of the first non-woven textile with first surface of the second non-woven textile
Data Source
AI summary
A non-woven textile may be formed from a plurality of thermoplastic polymer filaments. The non-woven textile may have a first region and a second region, with the filaments of the first region being fused to a greater degree than the filaments of the second region. A variety of products, including apparel (e.g., shirts, pants, footwear), may incorporate the non-woven textile. In some of these products, the non-woven textile may be joined with another textile element to form a seam. More particularly, an edge area of the non-woven textile may be heatbonded with an edge area of the other textile element at the seam. In other products, the non-woven textile may be joined with another component, whether a textile or a non-textile.