Interwoven Polyester Cellulosic Twine Fabric Abrasion Resistance
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Solution Overview
Problem
Current automobile seat fabrics face challenges with wear and tear due to mechanical stress, particularly abrasion and pilling, while also needing to enhance moisture absorption for comfort, which synthetic fibers like polyester excel at but cellulosic fibers like cotton and viscose struggle with due to poor abrasion resistance and wet rub fastness.
Innovation Solution
A fabric composed of interwoven twines containing a mixture of polyester and cellulosic staple fibers such as Lyocell, viscose, or modal, with specific textile parameters optimized to achieve high abrasion resistance and reduced pilling, meeting automotive industry standards through precise ratios and spinning techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cellulosic fibers (cotton, viscose) are used to improve moisture absorption capacity, then seating comfort is improved, but abrasion resistance and wet rub fastness deteriorate
Solution Approach 1:
The patent applies composite materials by combining cellulosic fibers (for moisture absorption) with synthetic fibers like polyester (for abrasion resistance) in a blended yarn structure. This allows the fabric to simultaneously achieve good moisture management properties and high durability required for automotive seat applications.
Solution Approach 2:
The patent changes the physical parameters of cellulosic fibers by treating them with sizing agents and applying specific spinning techniques to enhance their surface properties and structural integrity, thereby improving abrasion resistance while maintaining moisture absorption capabilities.
2Adaptability or versatility
If cotton fibers are used to improve ecological sustainability, then environmental friendliness is improved, but fiber diameter and length are insufficient leading to poor abrasion resistance and pilling
Solution Approach 1:
The patent combines ecologically sustainable cotton fibers with durable synthetic fibers in a composite yarn structure, allowing the fabric to meet both sustainability requirements and performance standards for automotive applications.
Solution Approach 2:
The patent applies different fiber types in specific locations within the yarn structure, placing cotton fibers where moisture absorption is needed while incorporating synthetic fibers in regions requiring high abrasion resistance, thereby optimizing both sustainability and durability.
3Strength
If 100% polyester fibers are used to achieve high abrasion resistance, then durability is improved, but moisture absorption capacity deteriorates
Solution Approach 1:
The patent creates a composite yarn blending polyester fibers (providing abrasion resistance) with cellulosic fibers (providing moisture absorption), allowing the fabric to simultaneously achieve high durability and good moisture management for comfortable automotive seating.
Data Source
AI summary
A fabric made of interwoven twines, wherein, in each case, two yarns are twisted together to form a twine and at least one of the yarns contains polyester staple fibers and cellulosic staple fibers of the types lyocell, viscose and/or modal, the share of cellulosic staple fibers in the fabric ranging from 10% by weight to 90% by weight. The fabric according to the invention is characterized in that the fabric or, respectively, those of the yarns contained therein which contain polyester staple fibers and cellulosic staple fibers as well as the twines produced therefrom comply with two relationships from which the suitability of the fabric for applications in automobiles, particularly in automobile seats, results.