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Artículos de revistas sobre el tema "Single-layer fabric system"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 12 de febrero de 2022

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1

Yang, Liu, Jian Zhong Yang, and Long Li. "Research on Thermal Protection Performance of Multilayer Fabrics System of Fire Clothing." Advanced Materials Research 1004-1005 (August 2014): 1432–36. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.1432.

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This paper studies the fire taking multi-layer fabric thermal protection performance of the system, respectively from the single thermal protective performance of fabric and ten kinds of multilayer composite fabric through analyzing the thermal protective performance, The following conclusions: in terms of single flame retardant fabrics, for the same fabric fiber composition, the TPP value with the thickness of the fabric, square meter weight has significant positive correlation. Experimental results show that multi-layer combination of 8 # protective performance is best, flame retardant prote

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2

Guo, Yu Qin, Zhao Meng, Min Hang Sun, Fu Zhu Li, and Wei Chen. "Study on Resin Infusion Behavior of the CFRP Integrated Manufacturing Process Based on RFI Process." Advanced Materials Research 941-944 (June 2014): 1243–48. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.1243.

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In the CFRP integrated manufacturing process based on RFI process, a CFRP stacking sheet is fabricated by laying alternatively Carbon Fiber Fabrics on Epoxy Resin Films each other. So its infusion process can be regarded as a concurrent infusion system consisting of some representative infusion systems with the delay time. Where, each representative infusion system includes a single layer resin film and a single layer carbon fiber fabric. It means that the infusion behavior of a CFRP stacking sheet can be described as a combination of the time delay from the bottom layer to the top layer and t

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3

MÜGE, DURSUN, ŞENOL YAVUZ, BULGUN ENDER YAZGAN, and AKKAN TANER. "Neural network based thermal protective performance prediction of three-layered fabrics for firefighter clothing." Industria Textila 70, no. 01 (2019): 57–64. http://dx.doi.org/10.35530/it.070.01.1527.

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The firefighter protective clothing is comprised of three main layers; an outer shell, a moisture barrier and a thermal liner. This three-layered fabric structure provides protection against the fire and extremely hot environments. Various parameters such as fabric construction, weight, warp/weft count, warp/weft density, thickness, water vapour resistance of the fabric layers have effect on the protective performance as heat transfer through the firefighter clothing. In this study, it is aimed to examine the predictability of the heat transfer index of three-layered fabrics, as function of th

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4

Wang, Jing, Jin Ying Song, and Ai Qing Tang. "A Model Construction about Predicting the Rate of Dimensional Change after Wash of Fabric Composites." Advanced Materials Research 332-334 (September 2011): 496–99. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.496.

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This article reports the construction of a model for predicting the rate of dimensional change of fabric composites after wash. The mechanical properties of the fabrics and fused interlinings were tested in FAST system and KES system and the parameters of fabrics and interlinings are analyzed by a objective mathematic method. Through this method, eight principal components are obtained. A BP neural network with a single hidden layer is constructed including eight input nodes, six hidden nodes and one output nodes. During training the network with a back-propagation algorithm, the eight princip

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5

Granberry, Rachael M., Kevin P. Eschen, Amy J. Ross, Julianna M. Abel, and Bradley T. Holschuh. "Dynamic Countermeasure Fabrics for Post-Spaceflight Orthostatic Intolerance." Aerospace Medicine and Human Performance 91, no. 6 (2020): 525–31. http://dx.doi.org/10.3357/amhp.5560.2020.

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INTRODUCTION: Aerospace orthostatic intolerance garments (OIG) have historically been pneumatic (e.g., NASA’s antigravity suit), an approach that inhibits mobility and requires connection to an air supply. Elastic compression garments, an alternative technology, are difficult to don/doff and cannot be worn in a noncompressive state, resulting in discomfort and usability challenges. This research evaluates a novel technology—contractile shape memory alloy (SMA) knitted actuators—that can enable low-profile, dynamic compression for an aerospace OIG.METHODS: To characterize the functional capabil

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6

Younis, Adel, and Usama Ebead. "A study on the bond behavior of different FRCM systems." MATEC Web of Conferences 199 (2018): 09003. http://dx.doi.org/10.1051/matecconf/201819909003.

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Fabric-reinforced cementitous matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. However, the efficiency of FRCM strengthening is notably affected by the bond between the FRCM system and concrete substrate. In view of that, the current paper presents the results of a preliminary experimental study carried out to investigate the bond characteristics between FRCM composites and concrete. Six number of specimens, each consisted of a 150-mm concrete cube with a double-shear connection to an FRCM system, were subject

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7

Kishore, Bijoysri Khan, and B. Viswanath. "Effect of Insertion of Buffer-Strip on the Response of Carbon-Epoxy System in Short Beam Tests." Advanced Composites Letters 9, no. 5 (2000): 096369350000900. http://dx.doi.org/10.1177/096369350000900502.

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The work looks at the response to three-point loading of carbon-epoxy (CF-EP) composites with inserted buffer strip (BS) material. Short beam Shear tests were performed to study the load-deflection response as well as fracture features through macroscopy on the CF-EP system containing the interleaved PTFE-coated fabric material. Significant differences were noticed in the response of the CF-EP system to the bending process consequent to the architectural modification. It was inferred that introduction of small amounts of less adherent layers of material at specific locations causes a decrement

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8

Kolonko, Angelika, Frank Helbig, Jürgen Tröltzsch, Daisy Nestler, and Lothar Kroll. "Torque-Fiber-Winding (TFW)-Procedure: Manufacturing of Textile-Based Unidirectional Prepreg for Raw Material and Material Development of Carbon Fibre Reinforced Thermoplastics." Key Engineering Materials 742 (July 2017): 498–505. http://dx.doi.org/10.4028/www.scientific.net/kem.742.498.

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There is the need to determine the process capability of available and novel carbon fibre (CF) roving with minimal material and reproducible procedures in the field of research and development of continuous fibre reinforced composites and structural components, as well as to identify the power delivery in thermoplastic laminate constructions. The innovative TFW procedure with the appropriate system technology allows the production of piece size variable unidirectional (UD) prepreg in a continuous sequential process of spiral winding. A flexible surface design, resulting in the partial fixation

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9

Oliveira, Michelle Souza, Fernanda Santos da Luz, Henry Alonso Colorado Lopera, Lucio Fabio Cassiano Nascimento, Fabio da Costa Garcia Filho, and Sergio Neves Monteiro. "Energy Absorption and Limit Velocity of Epoxy Composites Incorporated with Fique Fabric as Ballistic Armor—A Brief Report." Polymers 13, no. 16 (2021): 2727. http://dx.doi.org/10.3390/polym13162727.

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Polymer composites reinforced with natural fabric have recently been investigated as possible ballistic armor for personal protection against different levels of ammunition. In particular, fabric made of fique fibers, which is extracted from the leaves of the Furcraea andina, was applied as reinforcement for polymer composites used in a multilayered armor system (MAS). The superior performance of the fique fabric composites as a second MAS layer motivated this brief report on the determination of the absorbed energy and capability to limit velocity in the stand-alone ballistic tests. The singl

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10

Yavuz, A. Kadir, S. Leigh Phoenix, and D. K. Balkan. "New Model for Interlaced Yarns in the Ballistic Impact of Flexible Body Armors." Advanced Materials Research 445 (January 2012): 1023–28. http://dx.doi.org/10.4028/www.scientific.net/amr.445.1023.

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In this work, numerical implementations of a new biaxial fabric of interlaced yarns model for ballistic impact into flexible body armor are presented. First the model is applied to a single-layer panel of polyethylene Dyneema® fibers in a matrix and impacted by various projectile geometries. We obtain the model results from a mass-spring, finite-difference model by modifying the code first developed at DSM. The results of the model are compared with experimental results and our previous biaxial model from firing 9 mm and FSP projectiles into Dyneema® panels. For both models, parametric studies

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11

Angelova, Radostina A., Priscilla Reiners, Elena Georgieva, Hristina Plamenova Konova, Bianca Pruss, and Yordan Kyosev. "Heat and mass transfer through outerwear clothing for protection from cold: influence of geometrical, structural and mass characteristics of the textile layers." Textile Research Journal 87, no. 9 (2016): 1060–70. http://dx.doi.org/10.1177/0040517516648507.

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This paper presents a comprehensive experimental study, conducted on a series of woven and non-woven fabric samples from different materials (cotton, polyester, and polyamide) and 14 three-layer systems of textile materials, used for production of outerwear clothing for protection from cold. Heat and mass transfer properties, related to the thermophysiological comfort of the outerwear clothing, namely conductive thermal resistance, water vapor resistance, relative water vapor permeability, air permeability, accumulative one-way transport of liquids, and overall moisture management capacity, we

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12

Dan Ding, Tian Tang, Guowen Song, and André McDonald. "Characterizing the performance of a single-layer fabric system through a heat and mass transfer model - Part II: Thermal and evaporative resistances." Textile Research Journal 81, no. 9 (2011): 945–58. http://dx.doi.org/10.1177/0040517510395994.

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13

LING JIE, YU, WANG RONG WU, and ZHOU JIN FENG. "A novel approach for Identification of pills based on the method of Depth from Focus." Industria Textila 69, no. 06 (2019): 466–71. http://dx.doi.org/10.35530/it.069.06.1271.

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For automatic pilling evaluation of textiles, the depth information is one of the most critical and effective features in extracting pills from fabric image. Laser-scanning techniques are often used for acquiring 3D depth images. However, due to the high-cost and low-efficiency of Laser-scanning system, researchers have found it unsuitable for fabric analysis. This paper illustrates a new approach for acquiring the depth image used to extract pills by introducing the method of Depth From Focus (DFF). This approach firstly captures a sequence of images of the same view at different focal positi

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14

Dan Ding, Tian Tang, Guowen Song, and Andre McDonald. "Characterizing the performance of a single-layer fabric system through a heat and mass transfer model - Part I: Heat and mass transfer model." Textile Research Journal 81, no. 4 (2010): 398–411. http://dx.doi.org/10.1177/0040517510388547.

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15

Das, Partha Sarati, Jae Woo Kim, and Jae Yeong Park. "Fashionable wrist band using highly conductive fabric for electrocardiogram signal monitoring." Journal of Industrial Textiles 49, no. 2 (2018): 243–61. http://dx.doi.org/10.1177/1528083718779427.

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In this paper, a flexible and wearable fabric-based and highly conductive wrist band with portable electrocardiogram (ECG) equipment is presented for the long-term monitoring of ECG signals. The impedance properties, skin irritation, and sensitivity are then investigated using the proposed wrist band. The wrist band was constructed using conductive fabric, a Velcro strap, a metal snap, and a nickel connector. The entire polyester fabric surface was coated with nickel, copper, and gold. The sheet resistance of the conductive fabric is 0.06 Ω/sq. It is appropriate to use a dry fabric electrode f

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16

Пономарева, Г. П., И. М. Попова, О. М. Сладков, М. В. Пономарев, Т. П. Гончарова та Н. В. Хитрова. "Усиление внутреннего слоя многослойного композита базальтопластиком в виде сотовой структуры". Механика композиционных материалов и конструкций 27, № 2 (2021): 205–16. http://dx.doi.org/10.33113/mkmk.ras.2021.27.02.205_216.04.

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In our studies we present a multilayer structure consisting of outer layers of two-ply basalt composed of basalt fabric impregnated with an epoxy compound and an inner layer of polyurethane reinforced with basalt, having the same composition, formed in conjugate hexagonal prisms, and forming a cellular framework. The main part describes the technological sequence of obtaining basalt face layers, basalt hexagonal cellular frame, and filling it with a liquid reaction mass of rigid polyurethane system. The formation of a single multilayer composite structure is shown. We also present the results

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17

Elena, Onofrei, Teodor-Cezar Codau, Petrusic Stojanka, Bedek Gauthier, Dupont Daniel, and Soulat Damien. "Analysis of Moisture Evaporation from Underwear Designed for Fire-Fighters." Autex Research Journal 15, no. 1 (2015): 35–47. http://dx.doi.org/10.2478/aut-2014-0015.

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Abstract In this study we analysed the effect of moisture on the thermal protective performance of fire-fighter clothing in case of routine fire-fighting conditions. In the first stage of this research we investigated simultaneous heat and moisture transfer through a single-layer fabric, used as underwear for fire-fighters, at different moisture conditions. In the second stage of the study, the underwear in dry and wet state was tested together with protective clothing systems for fire-fighter consisting of three or four layers. It was found that during the evaporation of the moisture, a tempe

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18

Bencardino, Francesco, Mattia Nisticò, Luciano Ombres, and Salvatore Verre. "Mechanical Behavior and Failure Modes of Two Different Steel-FRCM Systems on Masonry Substrate: Experimental Investigation." Key Engineering Materials 817 (August 2019): 466–71. http://dx.doi.org/10.4028/www.scientific.net/kem.817.466.

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The results of single-lap shear tests, carried out on specimens with Steel Fabric Reinforced Cementitious Matrix (S-FRCM) composite strips bonded to masonry units, are presented in this paper. The S-FRCM composite system represents a newly developed promising technique for strengthening the masonry structures. The S-FRCM composite was comprised of steel fiber strip embedded within two layers of inorganic matrix. Two kinds of steel fibers can be used: ultra-high tensile strength steel galvanized micro-cords and/or stainless steel strands. The main differences between the two fibers are: E modul

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19

Rizzo, Valeria, Antonio Bonati, Francesco Micelli, Marianovella Leone, and Maria Antonietta Aiello. "Influence of Alkaline Environments on the Mechanical Properties of FRCM/CRM and their Materials." Key Engineering Materials 817 (August 2019): 195–201. http://dx.doi.org/10.4028/www.scientific.net/kem.817.195.

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Fabric Reinforced Mortar (FRCM) used as Externally Bonded Reinforcements (EBR), provide a sustainable solution for retrofitting and repair of existing masonry structures. They are commonly made by fibrous meshes embedded in a cementitious/hydraulic lime matrix. This technique represents a valid alternative to the well-known FRP (Fiber Reinforced Polymer) composites, which show some limitations in heritage masonry applications. In this scenario, a new system known as CRM (Composite Reinforced Mortar) has been developed in the last years. In this system, a pre-cured FRP grid is utilized as inter

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20

Iftekhar, Adnan, Xiaohui Cui, Qi Tao, and Chengliang Zheng. "Hyperledger Fabric Access Control System for Internet of Things Layer in Blockchain-Based Applications." Entropy 23, no. 8 (2021): 1054. http://dx.doi.org/10.3390/e23081054.

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Blockchain-based applications are gaining traction in various application fields, including supply chain management, health care, and finance. The Internet of Things (IoT) is a critical component of these applications since it allows for data collection from the environment. In this work, we integrate the Hyperledger Fabric blockchain and IoT devices to demonstrate the access control and establish the root of trust for IoT devices. The Hyperledger Fabric is designed to be secure against unwanted access and use through encryption protocols, access restrictions, and cryptography algorithms. An a

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21

Vu, Chi Cuong, and Jooyong Kim. "Simultaneous Sensing of Touch and Pressure by Using Highly Elastic e-Fabrics." Applied Sciences 10, no. 3 (2020): 989. http://dx.doi.org/10.3390/app10030989.

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In recent years, electronic skins have been widely studied for human monitoring systems. This research field needs multi-sensing points for large deformation, strong recovery, and mass production methods. Toward these aims, the fabrication of e-fabric skins made from a capacitive touch sensing layer and a capacitive pressure sensing layer is presented in the paper. Due to the high elasticity of the dielectric layer of the spacer fabric, this structure exhibits a very fast recovery time (6 ms), low hysteresis (<5%), and high cycling stability (>20,000 times). Besides, the stacking structu

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22

Здоренко, В. Г., С. В. Барилко, С. М. Лісовець та Д. О. Шипко. "ДОСЛІДЖЕННЯ ЗГАСАННЯ УЛЬТРАЗВУКОВИХ ХВИЛЬ ПРИ ЇХ ПРОХОДЖЕННІ ТА ВІДБИТТІ ВІД ОДНОШАРОВИХ МАТЕРІАЛІВ З ПОРАМИ РІЗНОГО РОЗМІРУ". Bulletin of the Kyiv National University of Technologies and Design. Technical Science Series 146, № 3 (2021): 99–111. http://dx.doi.org/10.30857/1813-6796.2020.3.9.

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Research of attenuation of ultrasonic waves in various single-layer materials with available pores of different sizes changes in this work. The above is necessary for the possibility of creating non-contact means of ultrasonic testing of such materials. In the work to analyze the processes of interaction of ultrasonic waves with single-layer materials and various changes depending on the thickness or basis weight of the material. Expressions are given for the modules of the complex coefficient of transmission and reflection of ultrasonic waves from single-layer materials with small pores, as w

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23

Здоренко, В. Г., С. В. Барилко, С. М. Лісовець та Д. О. Шипко. "ДОСЛІДЖЕННЯ ЗГАСАННЯ УЛЬТРАЗВУКОВИХ ХВИЛЬ ПРИ ЇХ ПРОХОДЖЕННІ ТА ВІДБИТТІ ВІД ОДНОШАРОВИХ МАТЕРІАЛІВ З ПОРАМИ РІЗНОГО РОЗМІРУ". Bulletin of the Kyiv National University of Technologies and Design. Technical Science Series 146, № 3 (2021): 99–111. http://dx.doi.org/10.30857/1813-6796.2020.3.9.

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Research of attenuation of ultrasonic waves in various single-layer materials with available pores of different sizes changes in this work. The above is necessary for the possibility of creating non-contact means of ultrasonic testing of such materials. In the work to analyze the processes of interaction of ultrasonic waves with single-layer materials and various changes depending on the thickness or basis weight of the material. Expressions are given for the modules of the complex coefficient of transmission and reflection of ultrasonic waves from single-layer materials with small pores, as w

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24

Brownless, N. J., S. C. Anand, D. A. Holmes, and T. Rowe. "The Dynamics of Moisture Transportation Part I: The Effect of 'Wicking' on the Thermal Resistance of Single and Multi-layer Fabric Systems." Journal of the Textile Institute 87, no. 1 (1996): 172–82. http://dx.doi.org/10.1080/00405009608659065.

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25

Harris, William K., Joyce G. Latimer, John F. Freeborn, Margaret Aiken, and Holly L. Scoggins. "Overwintering Survival and Vigor of Container-grown Fountain Grass: Influence of Substrate Moisture Content, Protective Covers, and Fertilizer Rate." HortTechnology 25, no. 6 (2015): 791–95. http://dx.doi.org/10.21273/horttech.25.6.791.

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Despite the popularity of fountain grass (Pennisetum alopecuroides) as a landscape perennial, little research has been conducted on nursery management practices that maximize its overwintering survival and subsequent spring vigor in container production systems. An experiment was conducted to determine the effect of protective covers (a double layer of insulation fabric, a double layer of insulation fabric plus a single sheet of white polyethylene plastic, or no cover), fertilizer application rate (high and low), and substrate moisture content (irrigated when substrate volumetric water content

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26

Dhanraj, David I. A., Shruti Choudhary, Udayabhanu Jammalamadaka, et al. "Size-Dependent Filtration Efficiency of Alternative Facemask Filter Materials." Materials 14, no. 8 (2021): 1868. http://dx.doi.org/10.3390/ma14081868.

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The use of facemasks is proven to mitigate the spread of the coronavirus and other biological agents that cause disease. Various forms of facemasks, made using different materials, are being used extensively, and it is important to determine their performance characteristics. The size-dependent filtration efficiency and breathing resistance of household sterilization wrap fabrics, and isolation media (American Society for Testing and Materials (ASTM)- and non-ASTM-rated), were measured in filter-holder- and mannequin-in-chamber-based systems, focusing on particles sizes between 20 nm and 2 μm.

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27

Mitchell, Cynthia J., James A. Sherwood, Konstantine A. Fetfatsidis, and Lisa M. Dangora. "Characterization of Cured Composite Materials for Wind Turbine Blades." Key Engineering Materials 554-557 (June 2013): 478–83. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.478.

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NCFs (Non-Crimp Fabrics) infused with epoxy resin are popular in the design of wind turbine blades and other complex systems due to their ability to conform to complex shapes. Past work in the development of a combination beam-shell modeling approach to simulate the forming of NCF composites has been demonstrated to capture the change in the orientations of the yarns during a forming process. The structural performance of these manufactured blades is often analyzed using finite element simulations that consider the material properties of the fibers and of the resin based on the rule of mixture

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28

Pfeiffer, Thomas, Domínguez Téllez Batcheva, Khadse Himanshu Dilip, Bum-Ki Choi, Gesa Beck, and Michael Hartmann. "Optical determination of filter effectiveness in potentially aerosol contaminated classrooms during the COVID-19 pandemic." Electronic Imaging 2021, no. 3 (2021): 144–1. http://dx.doi.org/10.2352/issn.2470-1173.2021.3.mobmu-144.

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Increasing COVID-19 infections are reason of concern for all the inside workplaces where physical presence is necessary for collaborating. Classrooms are one of the suspected places, where usually students are closely placed to learn together as in times before the pandemic. To reduce the infection rate in classrooms, an air purifier was designed around a commercial filter which removes 99,9% of particles with 3μm. A baseline optical study of air purification was carried out to ensure effectiveness of the purifier during operation in closed environment. With conclusive evidence of microscopic

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Samuel, Bethalihem T., Marcin Barburski, and Tsegaye Sh Lemmi. "Designing a Three-Dimensional Woven Fabric Structure as an Element of a Baby Stroller." Autex Research Journal, March 17, 2020. http://dx.doi.org/10.2478/aut-2020-0002.

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AbstractA baby stroller allows the transportation of a child over long or short distances. The materials used to produce the stroller make it heavy for users, which creates difficulties when lifting the stroller. The goal of this project was to design and fabricate a three-dimensional (3D) fabric structure that can be used as part of a stroller seat to improve its mechanical and physical properties. The idea of implementing a woven 3D system allows the development of an egg-shaped or shell-like structure as part of a stroller seat. The combination of double-woven material and honeycomb polypro

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Angelova, Radostina, Peter Stankov, Iskra Simova, and Idoya Aragon. "Three dimensional simulation of air permeability of single layer woven structures." Open Engineering 1, no. 4 (2011). http://dx.doi.org/10.2478/s13531-011-0042-5.

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AbstractThe paper deals with a CFD based study of the transverse permeability of a textile woven structure. The reported numerical investigation is preconditioned by both previous experimental and CFD study on jet systems. It is also based on detailed experimental investigation of the porous structure of single layer woven fabrics, made of staple fiber yarns. The flow in through-thickness direction of the woven structures is presented as jet systems, issuing from set of orifices. Two different types of jet system (3×3 jets and 5×5 jets) with two types of jet cross sections (square and circular

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31

Li, Xinxin, Meiling Tian, Yanping Liu, and Ya Li. "A spacer fabric-based three-dimensional patterning method with two-colored jacquard systems." Textile Research Journal, December 23, 2020, 004051752098200. http://dx.doi.org/10.1177/0040517520982004.

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To generate three-dimensional (3D) patterned spacer structures with non-continuous jacquard appearance in two colors, such as the yarn-cutting style, this paper attempts to propose a novel 3D patterning method based on the single jacquard technique. Two sets of jacquard threads are spaced apart and threaded in split bars as two patterning systems with separate colors. Then, for independent patterns, each single loop should be able to be selectively observable on patterned layers and hidden in the spacer layer. Cases of continuous jacquard loops and zero-loop ones in both course and wale direct

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32

Amirshirzad, Forough, Fatemeh Mousazadegan, and Nazanin Ezazshahabi. "Evaluating the resistance of metal reinforced multi-layer textile structure against penetration of sharp objects." International Journal of Protective Structures, October 31, 2020, 204141962096884. http://dx.doi.org/10.1177/2041419620968843.

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One of the common applications of textile protective structures is making barriers against penetration of sharp objects. Multilayer fabrics can absorb energy and are a proper candidate to be used in body armors. In this study, a three-layer textile structure which is reinforced by metal threads has been designed and produced. Metal reinforced layer was woven through a particular weaving system. Force and energy of penetration in each layer and also the three-layer textile structure was measured. The test results revealed that the layer resistance against penetration of sharp objects varied dep

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33

Figerez, Stelbin Peter, Sudeshna Patra, G. Rajalakshmi, and Tharangattu N. Narayanan. "Graphene oxide-based rechargeable respiratory masks." Oxford Open Materials Science 1, no. 1 (2020). http://dx.doi.org/10.1093/oxfmat/itab003.

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Abstract Respiratory masks having similar standards of ‘N95’, defined by the US National Institute for Occupational Safety and Health, will be highly sought after, post the current COVID-19 pandemic. Here, such a low-cost (∼$1/mask) mask design having electrostatic rechargeability and filtration efficiency of &gt;95% with a quality factor of ∼20 kPa−1 is demonstrated. This filtration efficacy is for particles of size 300 nm. The tri-layer mask, named PPDFGO tri, contains nylon, modified polypropylene (PPY), and cotton nonwoven fabrics as three layers. The melt-spun PPY, available in a conv

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