Composite Wadding of Down Fibers Encapsulated in Fabrics
Shu Yang1, Yingwen Wang1, Binjie Xin1
1School of Textiles and Fashion, Shanghai University of Engineering Science, Shanghai 201620, China.
Materials (Basel, Switzerland)
|April 23, 2022
Summary
New composite waddings using down fiber encapsulated in melt-blown nonwoven fabric show superior thermal insulation and moisture permeability. This advanced material offers enhanced performance for bedding and clothing applications.
Area of Science:
- Materials Science
- Textile Engineering
- Nanotechnology
Background:
- Down fiber is a superior natural material known for excellent thermal properties, commonly used in bedding and apparel.
- Down products require encapsulation in compact fabrics to achieve anti-drilling performance.
- Traditional encapsulation methods often use woven fabrics, but advancements may offer improved properties.
Purpose of the Study:
- To investigate the performance of composite waddings made by encapsulating down fibers in different fabric types.
- To compare the thermal insulation, moisture permeability, air permeability, and anti-drilling performance of melt-blown nonwoven fabrics versus traditional woven fabrics.
- To explore the relationship between pore fractal dimensions and the overall performance of down-filled composite materials.
Main Methods:
- Encapsulation of down fibers within polypropylene melt-blown nonwoven fabric.
- Encapsulation of down fibers within polyester woven cloth to create composite waddings.
- Comparative analysis of moisture permeability, thermal insulation, air permeability, and anti-drilling performance.
- Measurement and analysis of pore fractal dimensions for both fabric types.
Main Results:
- Composite waddings with melt-blown nonwoven fabrics exhibited superior moisture permeability, thermal insulation, and anti-drilling performance.
- Air permeability was slightly inferior in melt-blown nonwoven fabric composites compared to woven fabric composites.
- Melt-blown nonwoven fabrics demonstrated larger pore fractal dimensions than woven fabrics.
Conclusions:
- Polypropylene melt-blown nonwoven fabric provides enhanced performance characteristics for down fiber encapsulation compared to traditional polyester woven cloth.
- The increased pore fractal dimension of melt-blown nonwoven fabrics correlates with improved functional properties.
- These findings suggest melt-blown nonwoven fabrics are a promising material for advanced down-filled composite applications.
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