Two-Layer Fabric With Fluororesin Surface for Anti-Dirt
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Solution Overview
Problem
Industrial fabrics used in manufacturing processes, such as unwoven fabric production, face challenges in achieving both high rigidity and long-lasting anti-dirt characteristics, as existing fluorine plastic-based solutions often compromise on durability and adhesion prevention.
Innovation Solution
A two-layer fabric structure is developed, where the upper surface is made entirely of fluorine plastic for anti-dirt properties and the lower surface uses general yarns for rigidity, with binding weft yarns woven internally to prevent exposure and enhance adhesion resistance, employing an on-stack structure to maintain anti-dirt effectiveness even with wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If fluorine plastic is used for the fabric surface to achieve anti-dirt characteristics, then anti-dirt effect is improved, but rigidity deteriorates
Solution Approach 1:
The fabric is divided into multiple layers with different functions: the surface layer uses fluorine plastic for anti-dirt characteristics while the base layer uses high-strength yarns for rigidity. This segmentation allows each layer to optimize its specific function without compromising the other.
Solution Approach 2:
The invention uses composite structure combining fluorine plastic fibers with high-strength yarns (such as polyester or nylon) to create a fabric that exhibits both anti-dirt properties from the fluorine plastic surface and sufficient rigidity from the composite structure. The composite material approach allows synergistic combination of different material properties.
2Object-affected harmful factors
If fluorine plastic is used for the fabric surface to achieve anti-dirt characteristics, then anti-dirt effect is improved, but adhesion prevention deteriorates over time
Solution Approach 1:
The invention applies fluorine plastic specifically to the surface layer where anti-dirt characteristics are needed, while the underlying layers maintain different properties. This local application ensures that the anti-dirt effect is concentrated where most needed while the overall fabric structure maintains adhesion prevention through proper layer design and binding.
Solution Approach 2:
The fluorine plastic is incorporated into the fabric structure during manufacturing rather than applied as a post-treatment coating. This preliminary incorporation ensures that the anti-dirt properties are built into the fabric structure itself, providing long-lasting adhesion prevention that maintains reliability over time even with wear.
3Strength
If polymer blend rate is increased to improve rigidity, then rigidity is improved, but anti-dirt characteristics deteriorate
Solution Approach 1:
The fabric structure is segmented into surface layer and base layer, allowing the surface layer to maintain high fluorine plastic content for anti-dirt characteristics while the base layer can have higher polymer blend content for rigidity. This spatial segmentation resolves the contradiction by allowing both compositions to coexist in their respective locations.
Solution Approach 2:
The invention changes the compositional parameters differently across different layers: the surface layer has high fluorine plastic content (e.g., 80-100%) to optimize anti-dirt characteristics, while the base layer has adjusted polymer blend ratios to optimize rigidity. This parameter optimization at different locations simultaneously achieves both goals.
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 achieves enhanced anti-adhesion and rigidity while maintaining anti-dirt properties over time, preventing fiber adhesion and ensuring stability during prolonged use in manufacturing processes.
Implementation Method 1
fluorine plastic...enhanced anti-adhesion effect
Data Source
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AI summary
This two-layer weave for non-woven fabric fulfils the required characteristics of weaves for unwoven fabrics such as stiffness while increasing the effect of preventing adhesion of fibers, etc., and maintains the antifouling effect despite surface wear occasioned by long-term use in industrial processes involving nonwoven fabric. In this weave for a nonwoven fabric, a top weave constituted from top warp threads and top weft threads and a bottom weave constituted from bottom warp threads and bottom weft threads are bonded by means of weft-binding threads. The weft-binding threads are woven together so as to bond internally, and the top warp threads and the top weft threads are characterized by being formed from a fluororesin.