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Open AccessArticle

Development of Oxygen-Plasma-Surface-Treated UHMWPE Fabric Coated with a Mixture of SiC/Polyurethane for Protection against Puncture and Needle Threats

1
Department of Mechanical Engineering, McMaster University, Hamilton, ON L8S 4L7, Canada
2
RONCO, 70 Planchet Road, Concord, ON L4K 2C7, Canada
*
Author to whom correspondence should be addressed.
Fibers 2019, 7(5), 46; https://doi.org/10.3390/fib7050046
Received: 28 March 2019 / Revised: 3 May 2019 / Accepted: 13 May 2019 / Published: 20 May 2019
(This article belongs to the Special Issue Smart Coatings on Fibers and Textiles)
Although considerable research has been directed at developing materials for ballistic protection, considerably less has been conducted to address non-firearm threats. Even fewer studies have examined the incorporation of particle-laden elastomers with textiles for spike, knife, and needle protection. We report on a new composite consisting of ultra-high-molecular-weight polyethylene (UHMWPE) fabric impregnated with nanoparticle-loaded elastomer, specifically designed for spike- and needle-resistant garments. Failure analysis and parametric studies of particle-loading and layer-count were conducted using a mixture of SiC and polyurethane at 0, 30, and 50 wt.%. The maximum penetration resistance force of a single-layer of uncoated fabric increased up to 218–229% due to nanoparticle loading. Multiple-layer stacks of coated fabric show up to 57% and 346% improvement in spike puncture and hypodermic needle resistance, respectively, and yet were more flexible and 21–55% thinner than a multiple-layer stack of neat fabric (of comparable areal density). We show that oxygen-plasma-treatment of UHMWPE is critical to enable effective coating. View Full-Text
Keywords: coating; UHMWPE; nanoparticle-laden elastomer; oxygen-plasma treatment; penetration resistance coating; UHMWPE; nanoparticle-laden elastomer; oxygen-plasma treatment; penetration resistance
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Firouzi, D.; Ching, C.Y.; Rizvi, S.N.; Selvaganapathy, P.R. Development of Oxygen-Plasma-Surface-Treated UHMWPE Fabric Coated with a Mixture of SiC/Polyurethane for Protection against Puncture and Needle Threats. Fibers 2019, 7, 46.

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