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Polymers 2019, 11(4), 706; https://doi.org/10.3390/polym11040706

Fabric Composites Reinforced with Thermally Bonded and Irregularly Aligned Filaments: Preparation and Puncture Resistant Performance

1,2, 1, 2,3, 2,3,* and 4,5,6,7,8,*
1
Interdisciplinary Graduate School of Science and Technology, Shinshu University, Nagano Prefecture 390-8621, Japan
2
Department of Fiber and Composite Materials, Feng Chia University, Taichung City 40742, Taiwan
3
Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Nagano Prefecture 390-8621, Japan
4
Department of Medical Research, China Medical University Hospital, China Medical University, Taichung City 40402, Taiwan
5
Department of Bioinformatics and Medical Engineering, Asia University, Taichung City 41354, Taiwan
6
Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textiles, Tianjin Polytechnic University, Tianjin 300387, China
7
College of Textile and Clothing, Qingdao University, Qingdao 266071, China
8
Department of Chemical Engineering and Materials, Ocean College, Minjiang University, Fujian 350108, China
*
Authors to whom correspondence should be addressed.
Received: 12 March 2019 / Revised: 12 April 2019 / Accepted: 13 April 2019 / Published: 17 April 2019
(This article belongs to the Special Issue Polymer Hybrid Composites)
PDF [747 KB, uploaded 17 April 2019]
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Abstract

This study proposes fabric composites with improved static and dynamic puncture via increasing a friction force to restrain the slide of filaments as well as the compression and abrasion between the fibers and the puncture probe. The the bi-layered shell layers of composite fabrics are composed of aramid staple fibers and nylon staple fibers and a layer of low-melting-point polyester (LPET). The nonwoven layer consisting of recycled aramid and nylon staple fibers provides a shear effect to dissipate part of the puncture energy. Reinforcing interlayers include a woven fabric and PET filaments that are circularly aggregated between the surface layers, providing isotropic filament reinforcement and strengthening the resistance against the tip of the puncture probe. The reinforcing filaments may slide after the employment of needle punching, and to compensate for this disadvantage, the LPET layers are used to thermal bond the composite fabrics and the total thickness is controlled at 2 mm. The thermally bonded fabric composites are evaluated in terms of puncture resistance, thereby examining the effects of fabric structure and thermal bonding. According to the test results, the optimal composite structure is the sample N/L/W/F/L/N, which was reinforced by the LPET adhesive layer and irregularly aligned filaments. The sample which used the LPET adhesive layer had a positive influence on static puncture resistance and dynamic puncture resistance, preventing the slide of filaments, but the poor interfacial combination only contributed to limited reinforcement.
Keywords: filament reinforcement; recycled aramid fabrics; thermal-bonding; puncture resistance filament reinforcement; recycled aramid fabrics; thermal-bonding; puncture resistance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Chuang, Y.-C.; Bao, L.; Lin, M.-C.; Lin, T.A.; Lou, C.-W. Fabric Composites Reinforced with Thermally Bonded and Irregularly Aligned Filaments: Preparation and Puncture Resistant Performance. Polymers 2019, 11, 706.

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