Hygro Flat Woven Fabrics Hollow Core Yarn Absorbency
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Developing hygro flat woven fabrics that balance moisture absorption with durability and softness for home textile applications, such as bedding, is challenging due to the need for yarn structures that can withstand weaving processes while maintaining absorbency.
Innovation Solution
The use of plied staple yarns with hollow cores, where warp and weft components include yarns with outer sheaths of staple fibers twisted around inner hollow cores, formed by removing water-soluble fibers, enhances absorption and durability by creating a softer, bulkier fabric with improved weaving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If yarn structures are designed to absorb more moisture (e.g., terry fabrics with piles), then moisture absorption is improved, but fabric durability and softness deteriorate
Solution Approach 1:
The patent introduces hollow cores within yarn structures, creating porous channels that facilitate moisture absorption and transport. These hollow cores allow the fabric to achieve high absorbency without requiring surface piles, thereby maintaining durability and softness while improving moisture management capabilities
Solution Approach 2:
The patent combines different fiber types (e.g., cotton, polyester, spandex) within the same yarn structure to create composite materials that balance absorbency, strength, and softness. This composite approach allows the fabric to achieve moisture absorption properties similar to terry fabrics while maintaining the durability and comfort of flat woven structures
2Quantity of substance
If yarn structures are designed to absorb more moisture (e.g., terry fabrics with piles), then moisture absorption is improved, but fabric softness deteriorates
Solution Approach 1:
The hollow core structure provides moisture absorption capacity without creating the rough, pile-based surface of terry fabrics. This porous internal structure maintains fabric smoothness and softness while enabling effective moisture wicking through the yarn interior
Solution Approach 2:
Instead of increasing surface area through pile height (vertical dimension), the patent moves moisture absorption into the internal hollow space of the yarn (internal dimension). This dimensional shift allows absorbency improvement without compromising the external softness and smoothness of the fabric surface
3Strength
If highly twisted yarn structures are used, then fabric durability is improved, but moisture absorption deteriorates
Solution Approach 1:
The hollow core structure maintains open porosity regardless of yarn twist level, allowing moisture absorption even in highly twisted yarns. The twist provides durability and structural integrity while the hollow core preserves moisture wicking capability, decoupling these two previously conflicting properties
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 resulting fabrics exhibit increased absorbency, durability, and comfort profiles, with higher thread counts and improved moisture transfer properties, making them suitable for bedding applications.
Implementation Method 1
formed by removing water-soluble fibers
Implementation Method 2
The hollow core extends along the length of the plied staple yarn
Data Source
Figure 1A~1B
Figure 2
Figure 3A~4B
AI summary
A woven fabric and related process that includes hygro yarn structures with hollow cores that formed into flat woven fabrics suitable for bedding applications.