Stab-resistance of auxetic weft-knitted fabric with Kevlar fibers at quasi-static loading

Sun, Yaxin; Xu, Wanli; Wenfang, Wei; Ma, Pibo; Xia, Fenglin

doi:10.1177/1528083719865044

Cited by 27 publications

(13 citation statements)

References 16 publications

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“…However, the popularization and use of copolyesters are obstructed as a result of the poor puncture, tear, barrier, thermal properties and price. In view of the mechanical properties enhanced, some solutions are proposed: (i) blending; [8][9][10] (ii) process; 11,12 (iii) crosslinking; [13][14][15][16] (iv) copolymerization. 17 As a commonly used modification method in polymer materials, blending could not only improve performance, but sometimes reduce costs, which provides the possibility for the promotion of materials.…”

Section: Introductionmentioning

confidence: 99%

Effects of the species of crosslinking reagents on the structures and properties of biodegradable poly (butanediol sebacate ‐ butanediol terephthalate) copolyester

et al. 2022

J of Applied Polymer Sci

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In the present study, poly(butylene sebacate-co-terephthalate)s having different crosslinking reagents were synthesized with a random distribution by a two-step esterification and one-step polycondensation process. In detail, the using crosslinking agents were included trimethylolethane (TME), trimethylolpropane, tris(hydroxymethyl)aminoethane, glycerol (GL). Particularly, CS refers to a sample with no crosslinking agent added. The copolyester with TME was the least crystalline sample, and the melting peaks of all copolyesters corresponding to both, sebacate and terephthalate-rich phases were still observable in second calorimetric heating runs. These copolyesters were associated with interesting thermal and mechanical properties. The melting points of all samples were higher than 118 C and the puncture resistance and tensile strength of GL, the tear strength of TME, and the Young's modulus of all samples have been improved. Enzymatic degradability was assessed and the effect of composition and crystallinity on the degradation rate was investigated. The copolyester adding GL appears as a highly promising biodegradable material since it showed a significant weight loss during exposure to all selected degradation media, but also exhibited good performance and properties that were comparable to those characteristic of polyethylene. In brief, the improvement of PBSeT's puncture resistance, tear strength, and degradation performance is extremely important for the development and promotion of degradable foam, film, and elastomer materials.poly (butanediol sebacate -butanediol terephthalate), species of crosslinking reagents, structures and properties

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Section: Introductionmentioning

confidence: 99%

Effects of the species of crosslinking reagents on the structures and properties of biodegradable poly (butanediol sebacate ‐ butanediol terephthalate) copolyester

et al. 2022

J of Applied Polymer Sci

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“…The stab resistance of the fabric can be further improved by the treatment of the reinforcement solution, such as resin, rigid particles, or shear thickener [20,21]. SiC and ER show excellent performance among reinforced materials, and it is widely used in the field of stab resistance because of its chemical stability and hardness [22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Stab resistance of flexible composite reinforced with warp-knitted fabric like scale structure at quasi-static loading

Qing

LanlanWang

Luo

et al. 2022

Journal of Industrial Textiles

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The stab-resistant fabric like scale structure has a promising application prospect for areas of stab prevention owing to its great flexibility and excellent stab-resistance performance. In this paper, a kind of novel stab-resistant fabric has been designed by coating with epoxy resin (ER) and silicon carbide (SiC) particles, which was based on the warp-knitted fabric like scale structure (WKFS). The uniformity of dispersion has been investigated with different diameter and mass fraction of SiC, and polymerization degree of polyglycols (PEG); the flexibility and quasi-static properties of different kinds of WKFS treated with different coating solution has been studied, and the coating solution was prepared by mixing SiC particles and ER at different ratios. The results showed that the dispersion uniformity of the dispersion was the best when the diameter of SiC is 1 μm, the content is 50%, and the polymerization degree of PEG is 600. The longitudinal flexibility of the stab-resistant fabric is greater than that of transverse due to the gap between the longitudinal scales, and the addition of SiC particles can increase the transverse and longitudinal flexibility of stab-resistant fabric, and the flexible properties were the greatest when SiC:ER = 50:30. In addition, the WKFS treated with SiC of 16.7% has fatigue resistance; the damage mechanism of the fabric treated with pure ER is thankful to the brittleness of the resin; the added SiC particles hinder the further crack propagation of the resin, and the failure mode is mainly in stretch.

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“…Auxetic materials have numerous desirable characteristics due to their special quality, including good body ft, better shear resistance, improved indentation resistance, increased plane strain fracture toughness, increased resistance to shock, soundproofng, and other features. Tere are several possible uses for auxetic materials, such as knee pads, bulletproof vests, shockproof gloves, explosionproof drapes, medical dressings, and areas of tissue engineering, for example, artifcial blood vessels and artifcial folding mucosa [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Investigating the Thermo-Physiological Comfort Properties of Weft-Knitted Smart Structures Having a Negative Poisson’s Ratio

Anas

Awais

Hamdani

et al. 2022

Advances in Materials Science and Engineering

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Smart auxetic structures are gaining attention in various areas such as architecture, clothing (sports and protective), civil, and medical applications owing to their negative Poisson’s ratio. Compared to ordinary structures, these structures have better properties (shear resistance, formability, energy absorbance, and robust fracture strength). Auxetic structures show the exceptional property of becoming wider in one direction when stretched from another direction. In this research, three different auxetic weft-knitted structures were fabricated using nylon, polyester, acrylic, and cotton yarns on a Shima Seiki flat-knitting machine. The physical properties, negative Poisson’s ratio, and thermo-physiological comfort properties of these fabrics were checked. Negative Poisson’s ratio strain curves of the developed fabrics were plotted; all fabrics, except for nylon, show the negative Poisson’s ratio (NPR). The NPR decreases with increased strain in the longitudinal direction, and polyester exhibits a maximum value of NPR −0.4 in line structure at 30 mm extension. Results also revealed that structures made with nylon and polyester yarns exhibit a better value of air permeability than acrylic and cotton, while acrylic provides the best thermal resistance values than other materials in line structure and polyester yarn shows better overall moisture management capacity (OMMC) performance in zigzag structures.

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Stab-resistance of auxetic weft-knitted fabric with Kevlar fibers at quasi-static loading

Cited by 27 publications

References 16 publications

Effects of the species of crosslinking reagents on the structures and properties of biodegradable poly (butanediol sebacate ‐ butanediol terephthalate) copolyester

Effects of the species of crosslinking reagents on the structures and properties of biodegradable poly (butanediol sebacate ‐ butanediol terephthalate) copolyester

Stab resistance of flexible composite reinforced with warp-knitted fabric like scale structure at quasi-static loading

Investigating the Thermo-Physiological Comfort Properties of Weft-Knitted Smart Structures Having a Negative Poisson’s Ratio

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