About: Project 1000 x 1000: Centrifugal melt spinning for distributed manufacturing of N95 filtering facepiece respirators

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Project 1000 x 1000: Centrifugal melt spinning for distributed manufacturing of N95 filtering facepiece respirators
Creator	Kumar, Shailabh Banavar, Samhita Deriso, Dave Flaum, Eliott Khlystov, Nikita Kothari, Anesta Liu, Zhiru Molina, Anton Prakash, Manu Vyas, Pranav
source	ArXiv
abstract	The COVID-19 pandemic has caused a global shortage of personal protective equipment. While existing supply chains are struggling to meet the surge in demand, the limited supply of N95 filtering facepiece respirators (FFRs) has placed healthcare workers at risk. This paper presents a method for scalable and distributed manufacturing of FFR filter material based on a combination of centrifugal melt spinning utilizing readily available cotton candy machines as an example. The proposed method produces nonwoven polypropylene fabric material with filtering efficiency of up to 96% for particles 0.30-0.49 {/mu}m in diameter. We additionally demonstrate a scalable means to test for filtration efficiency and pressure drop to ensure a standardized degree of quality in the output material. We perform preliminary optimization of relevant parameters for scale-up and propose that this is a viable method to rapidly produce up to one million N95 FFRs per day in distributed manner with just six machines per site operating across 200 locations. We share this work as a starting point for others to rapidly construct, replicate and develop their own affordable modular processes aimed at producing high quality filtration material to address the current FFR shortage globally.
has issue date	2020-04-26(xsd:dateTime)
has license	arxiv
sha1sum (hex)	e8041691889938fa8e374b16167f56a0a01443b4
resource representing a document's title	Project 1000 x 1000: Centrifugal melt spinning for distributed manufacturing of N95 filtering facepiece respirators
resource representing a document's body	covid:e8041691889938fa8e374b16167f56a0a01443b4#body_text
is schema:about of	named entity 'share' named entity 'FFR' named entity 'nonwoven' named entity 'FFRs' named entity 'surge' named entity 'polypropylene' named entity 'machines' named entity 'filtering' named entity 'affordable' named entity 'high' named entity 'material' named entity 'current' named entity 'Centrifugal' named entity '0.49' named entity 'supply chains' named entity 'melt spinning' named entity 'melt spinning' named entity 'voltage' named entity 'DC voltmeter' named entity 'Pressure drop' named entity 'Pressure drop' named entity 'voltage' named entity 'Filtration media' named entity 'pressure drop' named entity 'Surface charge density' named entity 'microfibers' named entity 'insulator' named entity 'high molecular weight' named entity 'Surgical Mask' named entity 'T-shirt' named entity 'cotton candy' named entity 'N95' named entity 'electrostatic' named entity 'Electrostatic charge' named entity 'electrostatic' named entity 'FFRs' named entity 'aluminum' named entity 'voltage source' named entity 'resin' named entity '5µm' named entity 'polypropylene' named entity 'Filtration' named entity 'feedstock' named entity 'Triboelectric charging' named entity 'SARS-CoV-2' named entity 'Kimberly-Clark' named entity '95%' named entity 'morphology' named entity 'micrometer' named entity 'CDC' named entity 'Honeywell' named entity 'polypropylene' named entity 'St. Louis' named entity 'polypropylene' named entity 'electrospinning' named entity 'ethylene oxide' named entity 'high-throughput' named entity 'non-woven' named entity 'sensor' named entity 'voltage' named entity 'micro-controller' named entity 'Filtration' named entity 'low molecular weight' named entity 'isotactic polypropylene' named entity 'aerosolized' named entity 'Pressure sensor' named entity 'van de Graaff generator' named entity 'morphology' named entity 'microfibers' named entity 'FFRs' named entity 'T-shirt' named entity 'Charge density' named entity 'PVC piping' named entity 'electrostatic charge' named entity 'feedstock' named entity 'polypropylene' named entity 'pressure drop' named entity 'voltmeter'

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