New lab-scale device for nonwoven production: optimization of setting parameters

Mlik, Yosr Ben; Jaouadi, Mounir; Jmali, Mohamed; Msahli, Slah

doi:10.1080/00405000.2015.1133015

Cited by 6 publications

(3 citation statements)

References 7 publications

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“…The chopped fibers are referred to as staple fibers, characterized by limited, finite, small length fibers [8]. Based on the specific end use, tows can be cut into staple lengths or flocks [8][9][10][11][12][13][14]. These fabrics can be constructed in a wide variety of specific masses and textures.…”

Section: Nonwoven Web Formationmentioning

confidence: 99%

“…Meltblown fabrics have a high surface area used for enhanced filtration efficiency, excellent barrier properties, good insulation, and good wicking action. A large surface area enables air to be trapped through drag force on air convection forces through the fabrics, which is used in outdoor clothing products [13][14][15][16]. The difference between spunbond and meltblown is that the latter uses finer spinnerets combined with high temperature air to weaken the filaments to break during their formation.…”

mentioning

confidence: 99%

“…In mechanical bonding, the inherent characteristics of the fibers are unaffected as the effect of mechanical bonding on the absorbency of these fibers is minimal [14,39]. It involves the strengthening of the webs through the physical entanglement of fibers by barbed felting needles repeatedly passing in and out of the web [9].…”

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confidence: 99%

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Advancement of Nonwoven Fabrics in Personal Protective Equipment

2023

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While nonwoven fabrics have existed for several decades, their usage in personal protective equipment (PPE) has been met with a rapid surge of demands, in part due to the recent COVID-19 pandemic. This review aims to critically examine the current state of nonwoven PPE fabrics by exploring (i) the material constituents and processing steps to produce fibers and bond them, and (ii) how each fabric layer is integrated into a textile, and how the assembled textiles are used as PPE. Firstly, filament fibers are manufactured via dry, wet, and polymer-laid fiber spinning methods. Then the fibers are bonded via chemical, thermal, and mechanical means. Emergent nonwoven processes such as electrospinning and centrifugal spinning to produce unique ultrafine nanofibers are discussed. Nonwoven PPE applications are categorized as filters, medical usage, and protective garments. The role of each nonwoven layer, its role, and textile integration are discussed. Finally, the challenges stemming from the single-use nature of nonwoven PPEs are discussed, especially in the context of growing concerns over sustainability. Then, emerging solutions to address sustainability issues with material and processing innovations are explored.

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Section: Nonwoven Web Formationmentioning

confidence: 99%

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confidence: 99%

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Advancement of Nonwoven Fabrics in Personal Protective Equipment

2023

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Bio-based materials for nonwovens

2021

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The nonwoven industry is one of the most innovative and important branches of the global fiber products industry. However, the use of petrochemicalbased materials in many nonwoven products leads to severe environmental issues such as generation of microplastics. Synthetic material use in nonwovens is currently around 66%. This review covers potential technologies for the use of bio-based materials in nonwoven products. The current generation of nonwoven products relies heavily on the use of synthetic binders and fibers. These materials allow for products with high functional properties, such as permanence, strength, bulk, and haptic properties. The next generation of nonwoven products will have a higher fraction of natural and renewable materials as both binders and fiber elements. There are a wide range of materials under investigation in various nonwoven product categories. Especially, lignocellulosic materials are of interest. This includes traditional pulp fibers, regenerated cellulose fibers, lignin binders and nanomaterials derived from wood. The development of water stable, strong interfiber bonding concepts is one of the main problems to be solved for advancing biobased nonwoven products.

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