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RISS 인기검색어
- 검색키워드
- 저자 : Jia-Ci Jhang (검색결과 2 건)
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Jia-Ci Jhang,Ting Ru Lin,Yu-Chun Chuang,Ching-Wen Lou,Jia-Horng Lin 한국섬유공학회 2020 Fibers and polymers Vol.21 No.3
It is trendy to use polymers with different forms in a diversity of fields. This study uses nylon fibers and lowmelting-point polyester (LMPET) fibers or low melting point polylactic acid (LMPLA) fibers to fabricate three-dimensionalnylon/LMPET and nylon/LMPLA cushioning composite fabrics employing the nonwoven manufacturing. The employmentof needle punching process and thermal treatment reinforce the cushioning composite fabrics, and the subsequent thermalbonding points strengthen the mechanical properties effectively. In comparison to pure nylon nonwoven fabrics, the nyloncushioning composite fabrics exhibit higher tensile strength by 2.3 times regardless of whether it is a nylon/LMPET or nylon/LMPLA cushioning composite fabric. Similarly, based on the hammer rebound rate measurement, when the 3D cushioningcomposite fabrics are composed of 20 wt% of LMPLA fibers or 80 wt% of LMPET fibers, the hammer rebound rate reaches20 %, which is 1.4 times greater than that of the control group. Additionally, the composite fabrics that are composed of80 wt% of LMPLA fibers or 40 wt% of LMPET fibers also demonstrate higher compression recovery than the control group.
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Ting Ru Lin,Yan-Yu Lin,Ting An Lin,Jia-Ci Jhang,Ching-Wen Lou,Jia-Horng Lin 한국섬유공학회 2020 Fibers and polymers Vol.21 No.9
In countries with severe gun regulations, soldiers and police officers are commonly attacked by sharp weapons. The current personal protective equipment is too heavy, and therefore, in this study, mechanically strong Kevlar® fibers,nylon fibers, and Low-melting-point polyester (LMPET) fibers are needle punched to make thin, light, and comfortablenonwoven fabrics. Hot-baking and hot-pressing heat treatments are used for thermal bonding fibers, which subsequentlygenerate a dense and rigid surface because nonwoven fabrics are subjected to damaged structure by needle punch or aslippery state due to the fibers’ properties. The results of the air permeability, tensile strength, and quasi-static stab resistancetestings verify that the dense surface is correlated with hot-pressing heat treatment.
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