{"id":15186,"date":"2020-04-02T10:00:47","date_gmt":"2020-04-02T14:00:47","guid":{"rendered":"https:\/\/textiles.ncsu.edu\/news\/?p=15186"},"modified":"2023-04-21T12:40:22","modified_gmt":"2023-04-21T16:40:22","slug":"a-necessary-filter","status":"publish","type":"post","link":"https:\/\/textiles.ncsu.edu\/news\/2020\/04\/a-necessary-filter\/","title":{"rendered":"A Necessary Filter: Nonwovens Institute Steps Up to Combat COVID-19"},"content":{"rendered":"\n<p class=\"is-style-lead\">There\u2019s no shortage of NC&#160;State ingenuity when it comes to combatting shortages of personal protective equipment used by health care workers and first responders.<\/p>\n\n\n<p>NC&#160;State\u2019s Nonwovens Institute (NWI) is using its two research and training pilot production lines to produce face mask materials that will be used to protect medical workers on the front lines of fighting the effects of COVID-19.<\/p>\n\n\n<p>Surgical face masks are made with nonwoven materials, says Behnam Pourdeyhimi, executive director of NWI, Wilson College of Textiles associate dean for industry research and extension and William A. Klopman Distinguished Professor. <\/p>\n\n\n<p>N95 respirators and surgical masks are generally a sandwich of one or two common nonwoven layers \u2013 so-called spunbond layers that provide mask shape and protect the inner filtration layer \u2013 combined with a layer of nonwoven meltblown material that serves as the filtration layer and captures microscopic unwanted particles like viruses and bacteria. <\/p>\n\n\n<blockquote class=\"wp-block-ncst-pullquote has-orange-400-text-color has-quotes\"><div class=\"pullquote-container\"><p class=\"pullquote-content\">Because of the COVID-19 crisis, we took the spunbond technology and created a new generation of unique filters.<\/p><\/div><\/blockquote>\n\n\n<p>But because of the current critical need for masks caused by COVID-19, Pourdeyhimi and his NWI team created a new spunbond material that can serve as an effective filter without the need for a meltblown filtration layer. The unique fabric is composed of two different polymer materials that are combined to make a single fiber with significant strength and bulk \u2013 and that shows effectiveness in filtration similar to current materials used.<\/p>\n\n\n<p>\u201cBecause of the COVID-19 crisis, we took the spunbond technology and created a new generation of unique filters that have excellent filtering capability and can potentially be reused after cleaning with peroxide, or potentially alcohol solution,\u201d Pourdeyhimi said. \u201cBecause these materials are strong, unlike classical meltblown filters, they can also be cut and sewn by traditional techniques.\u201d<\/p>\n\n\n<p>Typically, one meter of spunbond material provides enough material for about 20 to 25 masks when using the current designs, Pourdeyhimi said. One of the NWI\u2019s production lines started producing 2,000 meters of spunbond material per hour, with the potential to create some 20,000 meters of spunbond material in a day. NWI currently has an agreement to provide large amounts of spunbond nonwoven material to Brooks Brothers, which will make masks at its manufacturing facilities.<\/p>\n\n\n<p>NWI\u2019s other production line is a state-of-the-art meltblowing pilot line that will make the classical meltblown material for N95 masks and surgical masks.<\/p>\n\n\n<p>\u201cWe created a recipe for the production of classical N95 respirator materials and will ship those materials out for industrial partners to convert these into respirators,\u201d Pourdeyhimi said.<\/p>\n\n\n<p>The meltblown material takes a bit more time to produce; Pourdeyhimi estimates that his production line can make about 12,000 meters of material in one work shift. <\/p>\n\n\n<p>Thanks to support from across the university, Pourdeyhimi says that NC&#160;State has ordered machines that will allow the NWI to make surgical masks in its Centennial Campus facilities. Those machines should arrive in the next month.<\/p>\n\n\n<p>\u201cWe will set these machines up and take our own materials and convert them into masks and provide them to local communities,\u201d Pourdeyhimi said.<\/p>\n\n\n<p>Pourdeyhimi said the outpouring of support offered internally by units such as the Office of Research and Innovation, the Office of Finance and Administration, the Office of the Provost, the Wilson College of Textiles and The Kenan Institute, as well as externally by industry partners, has been overwhelming.<\/p>\n\n\n<blockquote class=\"wp-block-ncst-pullquote has-green-400-text-color has-quotes\"><div class=\"pullquote-container\"><p class=\"pullquote-content\">I\u2019ve never seen the community come together the way it has.<\/p><\/div><\/blockquote>\n\n\n<p>ExxonMobil, for example, offered polymer materials to the university at no cost. Mask material production eats up approximately 25,000 pounds of polymer per week. Chemical manufacturing company NatureWorks has also offered polylactic acid (PLA) polymer for this effort. PLA is in short supply, but NatureWorks has secured the supply for NWI to ensure continuous production.  <\/p>\n\n\n<p>\u201cNorth Carolina has the largest number of nonwoven companies in the nation, so we are reaching out to them to see if they would also invest in converting machines (that would turn mask materials into masks),\u201d Pourdeyhimi said. <\/p>\n\n\n<p>He added that, in order to increase the capacity of meltblown fabrics, \u201cWe are looking at possibly changing the way companies are producing things so that we might be able to produce filters that would be useful during this crisis. We are putting a lot of partnerships in place to be able to expand the amount of materials that are available both locally and nationwide.<\/p>\n\n\n<p>\u201cI\u2019ve never seen the community come together the way it has.\u201d<\/p>\n<p><em>This post was <a href=\"https:\/\/news.ncsu.edu\/2020\/04\/a-necessary-filter\/\">originally published<\/a> in NC&#160;State News.<\/em><\/p>","protected":false,"raw":"<!-- wp:paragraph {\"className\":\"is-style-lead\"} -->\n<p class=\"is-style-lead\">There\u2019s no shortage of NC State ingenuity when it comes to combatting shortages of personal protective equipment used by health care workers and first responders.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>NC State\u2019s Nonwovens Institute (NWI) is using its two research and training pilot production lines to produce face mask materials that will be used to protect medical workers on the front lines of fighting the effects of COVID-19.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>Surgical face masks are made with nonwoven materials, says Behnam Pourdeyhimi, executive director of NWI, Wilson College of Textiles associate dean for industry research and extension and William A. Klopman Distinguished Professor. <\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>N95 respirators and surgical masks are generally a sandwich of one or two common nonwoven layers \u2013 so-called spunbond layers that provide mask shape and protect the inner filtration layer \u2013 combined with a layer of nonwoven meltblown material that serves as the filtration layer and captures microscopic unwanted particles like viruses and bacteria. <\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:ncst\/pullquote {\"value\":\"\\u0022Because of the COVID-19 crisis, we took the spunbond technology and created a new generation of unique filters.\\u0022\",\"textColor\":\"orange_400\"} -->\n<blockquote class=\"wp-block-ncst-pullquote has-orange-400-text-color has-quotes\"><div class=\"pullquote-container\"><p class=\"pullquote-content\">Because of the COVID-19 crisis, we took the spunbond technology and created a new generation of unique filters.<\/p><\/div><\/blockquote>\n<!-- \/wp:ncst\/pullquote -->\n<!-- wp:paragraph -->\n<p>But because of the current critical need for masks caused by COVID-19, Pourdeyhimi and his NWI team created a new spunbond material that can serve as an effective filter without the need for a meltblown filtration layer. The unique fabric is composed of two different polymer materials that are combined to make a single fiber with significant strength and bulk \u2013 and that shows effectiveness in filtration similar to current materials used.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>\u201cBecause of the COVID-19 crisis, we took the spunbond technology and created a new generation of unique filters that have excellent filtering capability and can potentially be reused after cleaning with peroxide, or potentially alcohol solution,\u201d Pourdeyhimi said. \u201cBecause these materials are strong, unlike classical meltblown filters, they can also be cut and sewn by traditional techniques.\u201d<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>Typically, one meter of spunbond material provides enough material for about 20 to 25 masks when using the current designs, Pourdeyhimi said. One of the NWI\u2019s production lines started producing 2,000 meters of spunbond material per hour, with the potential to create some 20,000 meters of spunbond material in a day. NWI currently has an agreement to provide large amounts of spunbond nonwoven material to Brooks Brothers, which will make masks at its manufacturing facilities.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>NWI\u2019s other production line is a state-of-the-art meltblowing pilot line that will make the classical meltblown material for N95 masks and surgical masks.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>\u201cWe created a recipe for the production of classical N95 respirator materials and will ship those materials out for industrial partners to convert these into respirators,\u201d Pourdeyhimi said.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>The meltblown material takes a bit more time to produce; Pourdeyhimi estimates that his production line can make about 12,000 meters of material in one work shift. <\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>Thanks to support from across the university, Pourdeyhimi says that NC State has ordered machines that will allow the NWI to make surgical masks in its Centennial Campus facilities. Those machines should arrive in the next month.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>\u201cWe will set these machines up and take our own materials and convert them into masks and provide them to local communities,\u201d Pourdeyhimi said.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>Pourdeyhimi said the outpouring of support offered internally by units such as the Office of Research and Innovation, the Office of Finance and Administration, the Office of the Provost, the Wilson College of Textiles and The Kenan Institute, as well as externally by industry partners, has been overwhelming.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:ncst\/pullquote {\"value\":\"\u201cI\u2019ve never seen the community come together the way it has.\\u0022\",\"textColor\":\"green_400\"} -->\n<blockquote class=\"wp-block-ncst-pullquote has-green-400-text-color has-quotes\"><div class=\"pullquote-container\"><p class=\"pullquote-content\">I\u2019ve never seen the community come together the way it has.<\/p><\/div><\/blockquote>\n<!-- \/wp:ncst\/pullquote -->\n<!-- wp:paragraph -->\n<p>ExxonMobil, for example, offered polymer materials to the university at no cost. Mask material production eats up approximately 25,000 pounds of polymer per week. Chemical manufacturing company NatureWorks has also offered polylactic acid (PLA) polymer for this effort. PLA is in short supply, but NatureWorks has secured the supply for NWI to ensure continuous production.  <\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>\u201cNorth Carolina has the largest number of nonwoven companies in the nation, so we are reaching out to them to see if they would also invest in converting machines (that would turn mask materials into masks),\u201d Pourdeyhimi said. <\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>He added that, in order to increase the capacity of meltblown fabrics, \u201cWe are looking at possibly changing the way companies are producing things so that we might be able to produce filters that would be useful during this crisis. We are putting a lot of partnerships in place to be able to expand the amount of materials that are available both locally and nationwide.<\/p>\n<!-- \/wp:paragraph -->\n<!-- wp:paragraph -->\n<p>\u201cI\u2019ve never seen the community come together the way it has.\u201d<\/p>\n<!-- \/wp:paragraph -->"},"excerpt":{"rendered":"<p>NC State begins production of nonwoven mask materials that could help combat shortages caused by COVID-19.<\/p>\n","protected":false},"author":13,"featured_media":28107,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"source":"ncstate_wire","ncst_custom_author":"","ncst_show_custom_author":false,"ncst_dynamicHeaderBlockName":"ncst\/default-post-header","ncst_dynamicHeaderData":"{\"showAuthor\":true,\"showDate\":true,\"showFeaturedVideo\":false,\"caption\":\"\",\"displayCategoryID\":2149}","ncst_content_audit_freq":"","ncst_content_audit_date":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[489,512,479],"tags":[669,2326,2327,1610,727,964,1382],"class_list":["post-15186","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-giving-back","category-research-and-innovation","category-tecs","tag-_from-newswire-collection-58","tag-covid-19","tag-faculty-research","tag-nonwovens-institute","tag-tecs","tag-textile-engineering-chemistry-and-science","tag-wilson-college-of-textiles"],"displayCategory":null,"acf":[],"yoast_head":"<title>A Necessary Filter: Nonwovens Institute Steps Up to Combat COVID-19 - Wilson College of Textiles<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/textiles.ncsu.edu\/news\/2020\/04\/a-necessary-filter\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Necessary Filter: Nonwovens Institute Steps Up to Combat COVID-19 - Wilson College of Textiles\" \/>\n<meta property=\"og:description\" content=\"NC State begins production of nonwoven mask materials that could help combat shortages caused by COVID-19.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/textiles.ncsu.edu\/news\/2020\/04\/a-necessary-filter\/\" \/>\n<meta property=\"og:site_name\" content=\"Wilson College of Textiles\" \/>\n<meta property=\"article:published_time\" content=\"2020-04-02T14:00:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-04-21T16:40:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tex-cloud-cdn.nyc3.digitaloceanspaces.com\/textiles-ncsu\/20231108100754\/nwi-mask-production.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"844\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Newswire\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newswire\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/textiles.ncsu.edu\/news\/2020\/04\/a-necessary-filter\/\",\"url\":\"https:\/\/textiles.ncsu.edu\/news\/2020\/04\/a-necessary-filter\/\",\"name\":\"A Necessary Filter: Nonwovens Institute Steps Up to Combat COVID-19 - 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