{"id":34895,"date":"2020-06-30T18:00:00","date_gmt":"2020-06-30T18:00:00","guid":{"rendered":"https:\/\/icrowdnewswire.com\/?p=2627974"},"modified":"2020-06-30T18:00:00","modified_gmt":"2020-06-30T18:00:00","slug":"nanofiber-material-tough-as-kevlar-but-20-times-more-heat-resistant","status":"publish","type":"post","link":"https:\/\/ipsnews.net\/business\/2020\/06\/30\/nanofiber-material-tough-as-kevlar-but-20-times-more-heat-resistant\/","title":{"rendered":"Nanofiber material tough as Kevlar but 20 times more heat-resistant"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" width=\"233\" height=\"24\" src=\"https:\/\/icrowdnewswire.com\/wp-content\/uploads\/2020\/06\/3998-logo.png\" class=\"webfeedsFeaturedVisual wp-post-image\" alt=\"\" style=\"display: block; margin-bottom: 5px; clear:both;max-width: 100%;\" link_thumbnail=\"\" \/><\/p>\n<div class=\"ArticlePage-lead\">\n<div class=\"FullscreenCarousel-cover\">\n<div class=\"CarouselSlide\">\n<div class=\"CarouselSlide-media\"><img loading=\"lazy\" decoding=\"async\" id=\"0\" class=\"Image lazy\" src=\"https:\/\/assets.newatlas.com\/dims4\/default\/e497c99\/2147483647\/strip\/true\/crop\/843x562+71+0\/resize\/1200x800!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2F43%2F49%2Fffc78da549df86a8bca7dafb6f9f%2Fkevlar-4.png\" alt=\"A gelatin astronaut stays unmelted when exposed to a flame, protected by the new nanofiber material\" width=\"665\" height=\"443\" \/><\/div>\n<div class=\"CarouselSlide-info\">\n<div class=\"CarouselSlide-caption\">\n<div class=\"CarouselSlide-infoDescription\">A gelatin astronaut stays unmelted when exposed to a flame, protected by the new nanofiber material<\/div>\n<div class=\"CarouselSlide-infoAttribution\">Grant Gonzalez\/SEAS<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"FullscreenCarousel-cover-count\">\n<div class=\"count\">&nbsp;<\/div>\n<p><button class=\"flickity-button flickity-fullscreen-button flickity-fullscreen-button-view show-skeleton-button active\" title=\"View full-screen\" type=\"button\" aria-label=\"View full-screen\"><\/button><\/div>\n<\/div>\n<\/div>\n<div class=\"ArticlePage-articleContainer\">\n<div class=\"ArticlePage-articleBody\">\n<div class=\"RichTextArticleBody\">\n<div class=\"RichTextArticleBody-body RichTextBody\">\n<p>Kevlar and Twaron are famously tough materials, but there&rsquo;s a bit of a trade-off to be made between strength, heat resistance and weight. Now, researchers have created a new nanofiber version of the material that&rsquo;s just as strong, but much more insulating against heat.<\/p>\n<div id=\"native_article_mid_desktop\" data-google-query-id=\"CIL49Ki7qeoCFYpu0wodxF0OpA\">\n<div id=\"google_ads_iframe_\/1007667\/native_article_mid_desktop_0__container__\">&nbsp;<\/div>\n<\/div>\n<p>Kevlar and Twaron get their protective properties from their molecular structure, and changing this changes what they&rsquo;re effective against. For mechanical blows, such as in bullet-proof vests, the material takes on a highly-ordered structure, which allows it to redistribute the force. Insulating materials have a much more porous structure, which minimizes the amount of heat that can pass through.<\/p>\n<div class=\"recirculation\">\n<hr \/>\n<\/div>\n<p>Normally it&rsquo;s one or the other, so if a wearer wants both thermal and ballistic protection, they&rsquo;d have to put on multiple layers, which gets bulky. And bulk is not what you need in the kinds of situations where you require this much protection. So, the researchers on the new study set out to combine both types into one.<\/p>\n<p>&ldquo;Our goal was to design a multifunctional material that could protect someone working in an extreme environment, such as an astronaut, firefighter or soldier, from the many different threats they face,&rdquo; says Grant Gonzalez, first author of the study.<\/p>\n<div id=\"native_article_mid_desktop_2\" data-google-query-id=\"COn0qKm7qeoCFYMR0wodlvABUA\">\n<div id=\"google_ads_iframe_\/1007667\/native_article_mid_desktop_2_0__container__\">&nbsp;<\/div>\n<\/div>\n<div class=\"Enhancement\" data-align-center=\"\">\n<div class=\"Enhancement-item\">\n<figure class=\"Figure\"><a href=\"https:\/\/newatlas.com\/materials\/nanofiber-material-kevlar-heat-resistant\/#gallery:2\"><img loading=\"lazy\" decoding=\"async\" class=\"Image\" src=\"https:\/\/assets.newatlas.com\/dims4\/default\/867d6da\/2147483647\/strip\/true\/crop\/768x512+0+0\/resize\/768x512!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fab%2F21%2F0453f3474a0db6d96dc6845fef3f%2Fkevlar-2.jpg\" alt=\"Sheets of Twaron and the new nanofiber material, which performed about the same in ballistics tests\" width=\"650\" height=\"433\" data-src=\"https:\/\/assets.newatlas.com\/dims4\/default\/867d6da\/2147483647\/strip\/true\/crop\/768x512+0+0\/resize\/768x512!\/quality\/90\/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fab%2F21%2F0453f3474a0db6d96dc6845fef3f%2Fkevlar-2.jpg\" \/><\/a><\/p>\n<div class=\"Figure-content\">\n<div class=\"Figure-content\">&nbsp;<\/div>\n<\/div><figcaption class=\"Figure-caption\">Sheets of Twaron and the new nanofiber material, which performed about the same in ballistics tests<\/figcaption><div class=\"Figure-content\">\n<div class=\"Figure-credit\">Grant Gonzalez\/SEAS<\/div>\n<\/div>\n<\/figure>\n<\/div>\n<\/div>\n<p>To do so, the researchers needed to combine the two types of molecular structures &ndash; highly-ordered yet porous &ndash; into one material. It was made using a process called immersion Rotary Jet-Spinning (iRJS). Basically, a device spins and forces a liquid polymer solution out through a tiny hole, forming long polymer strands. It hits a liquid bath pinned against the wall of the centrifuge and solidifies. The solid threads then collect around the base.<\/p>\n<p>The researchers are able to tweak the viscosity of the starting polymer liquid to give the final threads the desired properties. In the end, they were able to produce sheets of long, aligned nanofibers with plenty of pores between them.<\/p>\n<p>Next, they had to test that the nanofiber sheets really were protective against both ballistics and heat. In tests firing BB-like pellets at stacks of the sheets, the team found that the new material held up about as well as regular woven Twaron.<\/p>\n<p>In thermal tests, the new material was found to be about 20 times better at insulating against heat than commercial Twaron and Kevlar. All together, the material would save people from having to layer up.<\/p>\n<p>Using the current setup, the team could spin sheets measuring about 10 by 30 cm (3.9 by 11.8 in) in around 10 minutes, but this could probably be improved if scaled up for production.<\/p>\n<p>&ldquo;While there are improvements that could be made, we have pushed the boundaries of what&rsquo;s possible and started moving the field towards this kind of multifunctional material,&rdquo; says Gonzalez.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p class=\"tags\">\n<div><strong>See Campaign: <\/strong><a href=\"http:\/\/http:\/\/news.com\" target=\"_blank\">http:\/\/http:\/\/news.com<\/a><br \/><b>Contact Information:<\/b><br \/>Michael Irving<\/p>\n<p><b>Tags:<\/b><br \/><a href=\"\"><\/a>, <a href=\"https:\/\/icrowdnewswire.com\/category\/news-category\/wire\/\" rel=\"category tag\">Wire<\/a>, <a href=\"https:\/\/icrowdnewswire.com\/category\/global-regions\/united-states\/\" rel=\"category tag\">United States<\/a>, <a href=\"https:\/\/icrowdnewswire.com\/category\/language\/english\/\" rel=\"category tag\">English<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\" alt=\"image\" width=\"400\" height=\"300\" class=\"cwdfimg\" \/><\/div>\n<div>\n<h3>Contact Information:<\/h3>\n<p>Michael Irving<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" width=\"233\" height=\"24\" src=\"https:\/\/icrowdnewswire.com\/wp-content\/uploads\/2020\/06\/3998-logo.png\" alt=\"\">A gelatin astronaut stays unmelted when exposed to a flame, protected by the new nanofiber material Grant Gonzalez\/SEAS &nbsp; Kevlar and Twaron are famously tough materials, but there&rsquo;s a bit of a trade-off to be made between strength, heat resistance and weight. Now, researchers have created a new nanofiber version of the material that&rsquo;s just &hellip; <a href=\"https:\/\/icrowdnewswire.com\/2020\/06\/30\/nanofiber-material-tough-as-kevlar-but-20-times-more-heat-resistant\/\">Continue reading <span>Nanofiber material tough as Kevlar but 20 times more heat-resistant<\/span><\/a> <a href=\"https:\/\/ipsnews.net\/business\/2020\/06\/30\/nanofiber-material-tough-as-kevlar-but-20-times-more-heat-resistant\/\" class=\"more-link\">Continue Reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,22,54],"tags":[],"class_list":["post-34895","post","type-post","status-publish","format-standard","hentry","category-english","category-united-states","category-wire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nanofiber material tough as Kevlar but 20 times more heat-resistant - Business<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/ipsnews.net\/business\/2020\/06\/30\/nanofiber-material-tough-as-kevlar-but-20-times-more-heat-resistant\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nanofiber material tough as Kevlar but 20 times more heat-resistant - Business\" \/>\n<meta property=\"og:description\" content=\"A gelatin astronaut stays unmelted when exposed to a flame, protected by the new nanofiber material Grant Gonzalez\/SEAS &nbsp; Kevlar and Twaron are famously tough materials, but there&rsquo;s a bit of a trade-off to be made between strength, heat resistance and weight. 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