Quasi-static puncture resistance behaviors of high-strength polyester fabric for soft body armor

Wang, Qiushi; Sun, Run‐Cang; Tian, Xiao; Mu, Yao; Yi, Feng

doi:10.1016/j.rinp.2016.08.018

Cited by 37 publications

(41 citation statements)

References 19 publications

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“…The restrained force on the yarns dramatically rises until some yarns are broken. 13,14 In our case, pristine material underwent typical puncture mechanisms, such as yarn pull-out and fabric windowing, leading not always to significant yarns fractures but merely to their separation, which allowed penetrator passage. 15 After the test, the fabric appeared to be pierced with slightly spilled fibers, but without evident signs of broken yarns.…”

Section: Resultsmentioning

confidence: 77%

The effect of silica/polyurethane waterborne dispersion on the perforating features of impregnated polypropylene-based fabric

Patti

Acierno²

2019

Textile Research Journal

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In an attempt to improve the puncturing behavior of a commercial technical textile, this study investigated the effects of fabric impregnation with waterborne polyurethane dispersions (WPUDs). The infusing solutions were prepared by mixing a commercially available WPUD with other components, such as water, hydrophilic and hydrophobic silica (SiO2) nanoparticles, and a crosslinker. Quasi-static perforation tests were performed on a dynamometer machine equipped with a spherical spike and pointed blade as piercing probes. The results showed that the polyurethane impregnation augmented the puncture performances of the treated textiles. Then, further improvements in the spike and blade strength of the impregnated fabrics were obtained by adding hydrophilic silica nanoparticles and crosslinker into WPUDs, respectively. No effect of silica functionalization (hydrophilic or hydrophobic) has been verified on the mechanical features of the respective treated samples for the tested filler contents of 3% and 5% in wt. The best fabric features (blade strength increase of +63% and puncture strength increase of +71% compared to the neat material) were obtained by combining the two additives, nano SiO2 and crosslinker, into the polyurethane. The performances of these last systems were also superior to those obtained by doubling the amount of polymeric dispersion applied to the neat materials. The discussion of the results was supported by electron scanning microscopy, infrared spectroscopy, and further measurements of the cutting resistance. Finally, the mass per unit area of the substrate for the impregnated samples was measured in order to assess weight gain due to treatment.

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Section: Resultsmentioning

confidence: 77%

The effect of silica/polyurethane waterborne dispersion on the perforating features of impregnated polypropylene-based fabric

Patti

Acierno²

2019

Textile Research Journal

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“…Owing to the increasing awareness of the importance of self-protection, protective materials are being efficiently developed, including barks, hides, leather, metal, and composites. The progressing technology gives rise to diverse industries and subsequently demands for the preparation of protective materials that require large amounts of advanced materials have risen [1,2,3,4], and stab resistant materials are the most pervasively used in different fields [5,6]. Statistically, stabs, cuts, and abrasions account for 15% of workplace injuries per year, which makes the development of puncture resistant products utterly essential.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2019

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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.

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“…The demand for protective garments is ever increasing [2,4,5]. There is extensive use of body armour to protect the hands and feet from cut injuries in some industries, including healthcare, law enforcement, and also in sports, transportation and so on [3,[6][7][8]. Hence, the study on the cut-resistant action of the textile structure is significant [6].…”

Section: Introductionmentioning

confidence: 99%

Development and evaluation of 3D knitted fabrics to protect against mechanical risk

Krauledaitė

Ancutienė

Urbelis³

et al. 2018

Journal of Industrial Textiles

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In this research, eight different 3D weft-knitted fabrics were developed and evaluated. 3D fabrics have been knitted on circular weft-knitting machines with two different gauges: 20E gauge and 28E gauge. Three different raw materials were used for the fabric’s production: high molecular mass polyethylene (HPPE) yarn and 0.05 mm diameter steel wire in the outer layers (for the front and reverse) and polyamide yarn in the binding layer. The experiments were conducted on the developed 3D knitted fabrics to determine the fabric’s resistance to mechanical risks such as circular blade cut, puncture, abrasion, and also to evaluate the comfort parameter, such as air permeability. It was defined that 3D weft-knitted fabrics best results on tests: circular blade cut, puncture and abrasion resistant were achieved using HPPE yarn twisted with steel wire, higher mass per unit area with more significant amount of steel wire. According to the standard EN 388:2003, three samples of developed 3D weft-knitted fabrics had the highest 5th blade cut and the highest (4th) abrasion resistance level. All of them had the highest (4th) level of puncture resistance. 3D fabrics knitted on a circular weft-knitting machine of gauge 28E ensured 1.3–2.1 times greater blade cut and 4.9–12.1 times greater abrasion resistance result, than fabrics knitted on gauge 20E, due to a higher stitch density, higher mass per unit area, density and fabric’s thickness. But on the other hand, these parameters lowered air permeability by 20.2–43.0%.

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Quasi-static puncture resistance behaviors of high-strength polyester fabric for soft body armor

Cited by 37 publications

References 19 publications

The effect of silica/polyurethane waterborne dispersion on the perforating features of impregnated polypropylene-based fabric

The effect of silica/polyurethane waterborne dispersion on the perforating features of impregnated polypropylene-based fabric

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

Development and evaluation of 3D knitted fabrics to protect against mechanical risk

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