Web Directory

» Air Pollution Control Technology Fact Sheet
   Fact sheet from the US Environmental Protection Agency, describing the properties, characteristics and applications of paper based and nonwoven high efficiency particle air (HEPA) and ultra low penetration air (ULPA) filtration media.
   http://epa.gov/ttn/catc/dir1/ff-hepa.pdf

» Behaviour of Chelating Fibers having Polyol Groups in Column Mode Absorption if Boric Acid
   Technical paper about Tris and Nmgl grafted, polyethylene coated polypropylene fibers for nonwoven filtration cloth. Authors: Akinori Jyo and others.
   http://wwwsoc.nii.ac.jp/jsac/analsci/ICAS2001/pdfs/1200/1211_p2069n.pdf

» Characterising the Liquid Filtration Performance of Nonwoven Media
   Technical paper describing a wide array of wet- and dry-laid, and meltblown nonwoven filtration media, and their structures, properties and applications. From Lydall Filtration and Separatio, Inc.
   http://www.lydallfiltration.com/tech/documents/CharacterizingtheLiquidFiltrationPerformanceofNon-wovenMedia.pdf

» Chemical and Mechanical Damaga to Felts
   Technical paper describing the result of a field study, dedicated to the development and formulation of the principles of chemical and mechanical wear of paper machine felts. Author: Donald L. Gibbon.
   http://www.matcoinc.com/files/PublicationPDFs/7TAPPI_felts.pdf

» Chemical and Thermal Stability of Nonwoven Filtration Media in Fluid Power Applications
   Technical paper evaluating different non-woven wet-laid microglass filtration media for compatibility with a range of hydraulic fluids at different temperatures. From Lydall Filtration and Separation, Inc.
   http://www.lydallfiltration.com/tech/documents/CHEMICALANDTHERMALSTABILITYOFNONWOVEN.pdf

» Degradation Processes in Corona-Charged Electret Filter Media with Exposure to Ethyl Benzene
   Technical paper, describing the assessment of the degradation of filtration performance of corona-charged nonwoven media, through exposure with liquid and vapor stage ethyl benzene. Authors: Warren J. Jasper and others.
   http://www.jeffjournal.org/papers/Volume2/Jasper7-5R1.pdf

» Design and Testing of Antistatic Filters for Industrial Air Filtration
   Technical paper examining the filtration and electrical properties of membrane and non-membrane filter media manufactured from polyester nonwoven needlefelt, including a review of recent advances in membrane performance and test results. From W.L. Gore an
   http://www.gore.com/MungoBlobs/article_design_test_antistatic_filters.pdf

» Designing Nonwovens to Meet Pore Size Specifications
   Technical paper, reporting on a study focused on the development of a mathematical basis by which to design and construct a bi-component spunbond island-in-the-sea nonwoven fabric for filtration applications with given pore size specifications. Authors: G
   http://www.jeffjournal.org/papers/Volume2/Simmonds.pdf

» Electrical Resistivity of Active Carbon Nonwovens
   Technical paper about the techniques and procedures for making a nonwoven fabric precursor and their effect on the magnitude of the electrical resistivity of active carbon nonwovens manufactured from this precursor. Authors: Romualda Cislo and others.
   http://www.fibtex.lodz.pl/47_17_70.pdf

» Electrospinning and Porosity Measurements of Nylon-6/Poly(ethylene oxide) Blended Nonwovens
   Technical paper, describing a simple method to create nanofiber electrospun nonwoven filtration media from polyamide-6 and polyethylene oxide (PEO) polymers, and providing a strategy for controlling pore size distribution independently from fiber formatio
   http://www.jeffjournal.org/papers/Volume2/Frey-Li.pdf

» Evaluating Filtration Media
   Technical article about a comparison of the major characteristics of polymeric membrane and nonwoven filtration media. From Du Pont de Nemours. Authors: Dr. Ernst Mayer and Jennifer Warren.
   http://www.filtration.dupont.com/lit/1998b.pdf

» Fabric Filters
   Extensive technical paper discussing the various types and cost calculations of fabric filters and the required auxiliary equipment, followed by a review of the related fabric filtration theories forming a foundation for sizing procedures. Authors: James
   http://www.p2pays.org/ref/10/09848.pdf

» Improved Fiber Hydroentanglement Using Pulsed Elliptical Jets
   Technical paper describing the physical properties and filtration characteristics of hydroentangled nonwoven filter media made from splittable and expanded surface area fibers, manufactured with pulsation apparatus and elliptically formed nozzle jets. Aut
   http://www.ntcresearch.org/pdf-rpts/AnRp00/F98-C04.pdf

» Investigation on Charge Deterioration of Electrically Charged Filter Media Using Electric Force Microscopy
   Technical paper presenting an investigation on the effect of exposure to organic solvents on the filtration performance of electret filter media, using different organic solvents and electret filter media. Author: Jooyoun Kim.
   http://www.lib.ncsu.edu/theses/available/etd-10122005-161504/unrestricted/etd.pdf

» Liquid Extrusion Techniques for Pore Structure Evaluation of Nonwovens
   Technical paper analyzing two different liquid extrusion techniques applied to determine pore structure of nonwoven materials, and an evaluation of the results obtained. Authors: A. Jena and K. Gupta.
   http://www.pmiapp.com/publications/docs/Liquid_Extrusion_2003.pdf

» Modification of Air Filter Media With Nylon-6 Nanofibers
   Technical paper, describing a technique of electrospinning more efficient air filtration media from polyamide-6 nanofibers with various weight covering levels, using a varying number of multi-nozzle banks to increase coverage level while decreasing fiber
   http://www.jeffjournal.org/papers/Volume1/06Aug_AirFilterMedia.pdf

» Nanofiber Incorporated Glass Fiber Filter Media
   Master of Science thesis presenting a model for the prediction and validation of data of glass fiber filter media augmented with varying amounts of polymer nanofibers. Author: Priyavardhama Srinivasan.
   http://www.ohiolink.edu/etd/send-pdf.cgi/Srinivasan%20Priyavardhana.pdf?acc_num=akron1124903310

» Nanofiber Webs from Electrospinning
   Technical paper about the performance of nonwoven nanofiber filtration media in a mining vehicle air filter system. From Donaldson Company, Inc. Authors: Timothy H. Grafe and Kristine M. Graham.
   http://www.donaldson.com/en/filtermedia/support/datalibrary/003321.pdf

» Nanofiber in Filtration Applications in Transportation
   Technical paper about the construction and performance of filter media using nanofiber in engine, gas turbine, and mining vehicle cabin air filtration systems. From Donaldson Company, Inc. Authors: Timothy Grafe and others.
   http://www.donaldson.com/en/filtermedia/support/datalibrary/052024.pdf

» New Materials and Processes for Regenerable Collective Protection Air Purification Systems
   Technical article about the development of a new system of collective protection equipment (CPE) for military, industrial and medical applications, from sintered metal micrifiber based media.
   http://www.natick.army.mil/soldier/jocotas/ColPro_Papers/Meffert.pdf

» Nonwoven Liquid Filtration Media Construction and Performance
   Technical paper discussing the construction, performance and applications of carded, needlepunch, spunbond, meltblown and wet-laid nonwoven media for liquid filtration applications. From Lydall Filtration and Separation, Inc.
   http://www.lydallfiltration.com/tech/documents/Nonwovenliquidfiltration.pdf

» PMIAPP
   USA. A collection of technical articles from the PMI, Inc. web site. The subjects are pore size characterization and measurement, and capillary flow porometry for nonwoven fabrics as filtration media.
   http://www.pmiapp.com/publications/index.html

» Polymeric Nanofibers in Air Filtration Applications
   Technical paper presented at the 15th Annual Technical Conference and Expo of the American Filtration and Separation Society, discussing a process for making nanofibers, as well as the benefits, limitations, construction and performance of filters using n
   http://www.donaldson.com/en/filtermedia/support/datalibrary/052022.pdf

» Pore Volume of Nanofiber Nonwovens
   Technical paper describing a study of measuring the pore volume and distribution, and pore diameter size using mercury intrusion, liquid extrusion and capillary flow porosimetry. Authors: Akshaya Jena and Krishna Gupta.
   http://www.pmiapp.com/publications/docs/INJ-Pore_Volume_of_Nanofiber_Nonwovens.pdf#search=%22nonwovens%22

» Predicting Nonwoven Sediment Filter Performance
   Technical paper testing the liquid filtration performance of nonwoven media of various constructions and fiber blends by standard paper and nonwoven test methods, and proving that filter performance is predictive only within media of the same construction
   http://www.lydallfiltration.com/tech/documents/PredictingNon-wovenSedimentFilterPerformance.pdf

» Primer on Nonwoven Fabric Filtration Media
   Overview of the history, materials, media forms, characteristics, manufacturing methods, applications and markets of nonwoven fabrics for filtration media. Author: Edward C. Gregor.
   http://www.egregor.com/whitepapers/NONWOVEN%20PRIMER.pdf

» Submicron Filtration Media
   Technical paper discussing the different types of wetlaid, drylaid and membrane media available for submicron filtration applications, and comparing their methods of construction, performance and cost. From Lydall Filtration and Separation, Inc.
   http://www.lydallfiltration.com/tech/documents/SubmicronFiltrationMedia-CSS.pdf

» Submicron Size Structures, Electrospinning and Filters
   Doctor of Philosophy dissertation investigating novel techniques for electrospinning of nanofiber filtration media. Author: Sphurti Bhargava.
   http://www.ohiolink.edu/etd/send-pdf.cgi/Bhargava%20Sphurti.pdf?acc_num=akron1175607783

» Synthetic Split Microfiber Technology for Filtration
   Scientific article about the applications of synthetic split microfibers in nonwoven filtration media. Tables, technical specifications, and photos. From Fiber Innovation Technology, Inc. DOC file. Authors: Jeff Dugan and Ed Homonoff.
   http://www.fitfibers.com/files/Microfibers%20for%20Filtration.doc

» The Effect of Anisotropy on In-Plane Liquid Distribution in Nonwoven Fabrics
   Thesis on the determination of the effect of anisotropy in the liquid distribution of a nonwoven fabric utilizing a device which records the liquid spread. Also, an introduction of a new method to measure the intrinsic wicking properties of a nonwoven fab
   http://www.lib.ncsu.edu/theses/available/etd-20010925-125929/unrestricted/etd.pdf

» Transport Properties of Porous Membranes Based on Electrospun Nanofibers
   Technical paper discussing the factors influencing the fabric structure and transport properties of electrospun nonwoven membranes for filtration and protective clothing applications. Authors: Phillip Gibson and others.
   http://msewww.engin.umich.edu:81/people/milty/research/electrospinning/literature/2001_Schreuder_Gibson_Transport%20properties%20of%20porous%20membranes%20based%20on%20electrospun%20nanofibers.pdf