Determination of Texture and Transport Characteristics of Electrospun Nanofibrous Mats

0378947 - ÚCHP 2013 US eng C - Konferenční příspěvek (zahraniční konf.)
Soukup, Karel - Petráš, D. - Hejtmánek, Vladimír - Šolcová, Olga
Determination of Texture and Transport Characteristics of Electrospun Nanofibrous Mats.
Book of Abstracts. -: -, 2012, s. 116. ISBN N. ISSN 1877-7058.
[International Workshop Characterization of Porous Materials: From Angstroms to Millimeters /6./. Delray Beach, Florida (US), 30.04.2012-02.05.2012]
Grant CEP: GA ČR GPP106/11/P459; GA ČR GA104/09/0694
Institucionální podpora: RVO:67985858
Klíčová slova: electrospinning * nanofibers * graham's diffusion cell
Kód oboru RIV: CI - Průmyslová chemie a chemické inženýrství

This contribution is focused on evaluation of texture and transport characteristics of nanofibrous mats prepared from polystyrene, polyurethane and poly(2,6-dimethyl-1,4-phenylene oxide) solutions by electrospinning technique. Nitrogen physical adsorption-desorption measurements at 77 K, high-pressure mercury porosimetry and helium pycnometry were used for evaluation of textural properties of nanofibrous samples. Nanofibrous mats revealed high porosity (between 70 and 90 %) with the surface area up to 10 m2/g. Gas transport properties were evaluated from diffusion experiments performed in a Graham’s diffusion cell. All binary counter-current gas diffusion measurements were carried out under laboratory temperature and pressure; combinations of the inert gases included argon, nitrogen and helium were utilized.
Trvalý link: http://hdl.handle.net/11104/0210254