Nonwoven Wiper Composition for Low Lint and Solvent Release
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Solution Overview
Problem
Existing wiping products struggle with abrasion resistance and solvent efficiency when cleaning composite materials, often leaving lint and failing to effectively absorb and release solvents, leading to increased costs and environmental concerns.
Innovation Solution
A nonwoven wiper product composed of a combination of staple fibers and conjugate fibers, hydroentangled and thermally bonded, which provides excellent abrasion resistance, minimal lint production, and efficient solvent delivery and absorption characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wiping materials are used to clean composite materials, then the wiping process can be performed, but the wiping materials break down and form lint
Solution Approach 1:
The patent applies composite materials by combining different fiber types (cellulose fibers and synthetic fibers) in a nonwoven structure. This composite fiber composition provides both the abrasion resistance needed for cleaning composite materials and the structural integrity to prevent lint formation, resolving the contradiction between wiping effectiveness and lint production.
Solution Approach 2:
The patent implements local quality by creating regions of different fiber composition and density within the nonwoven material. The blend of cellulose and synthetic fibers creates zones with varying properties - some areas provide abrasion resistance while others control lint formation - allowing the single material to address multiple conflicting requirements simultaneously.
2Strength
If efforts are made to improve the abrasion resistance of a wiping product, then abrasion resistance increases, but the ability to absorb solvents and dispense solvents becomes compromised
Solution Approach 1:
The patent applies parameter changes by carefully controlling the physical properties of the nonwoven material, including fiber diameter (0.5-6 denier), fiber length (10-55 mm), and the ratio of cellulose to synthetic fibers (60:40 to 90:10). These parameter adjustments optimize both abrasion resistance and solvent absorption capacity, allowing the material to achieve high strength while maintaining excellent solvent delivery 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 wiper product achieves a synergistic balance of properties, including high abrasion resistance, low lint production, and efficient solvent delivery, minimizing solvent usage and environmental impact while effectively cleaning both metal and composite surfaces.
Implementation Method 1
the nonwoven web can have an absorbent capacity when tested with water of greater than about 5 g/g
Implementation Method 2
The nonwoven web can be subjected to one or more hydroentangling processes
Implementation Method 3
The fibers can be thermally bonded together to form a nonwoven web
Data Source
AI summary
The present disclosure is directed to a wiping product well suited to absorbing a solvent and releasing the solvent onto an adjacent surface. The wiping product can also be constructed so as to have excellent abrasion resistance. The wiping product can be used in numerous applications and is particularly well suited for wiping unfinished surfaces, such as metal surfaces and composite surfaces for removing contaminants, such as oil and grease. The wiping product is made from a hydroentangled and thermally bonded web containing staple fibers and conjugated fibers.