PLASMA INDUCED REMOVAL OF BASE POLYMER MATRIX BY PREPARATION OF INORGANIC SUBMICRON FIBERS

1 MEDVECKÁ Veronika
Co-authors:
1,2 KOVÁČIK Dušan 1 ZAHORANOVÁ Anna 1,2 ČERNÁK Mirko
Institutions:
1 Department of Experimental Physics, Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Mlynská dolina F2, 842 48 Bratislava, Slovak Republic
2 R&D Center for Low-Cost Plasma and Nanotechnology Surface Modifications, Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic, dusan.kovacik@mail.muni.cz
Conference:
9th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 18th - 20th 2017
Proceedings:
Proceedings 9th International Conference on Nanomaterials - Research & Application
Pages:
253-259
ISBN:
978-80-87294-81-9
ISSN:
2694-930X
Published:
8th March 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
14 views / 2 downloads
Abstract

In presented work we compare the influence of low-temperature plasma generated in ambient air by Diffuse Coplanar Surface Barrier Discharge on three types of most commonly used polymers - polyvinylpyrrolidone, polyvinyl alcohol and polyacrylonitrile with suitable precursors. Samples were studied in terms of chemical composition (ATR-FTIR, EDX) and surface morphology (SEM). The method was studied as a separate treatment or pretreatment procedure before thermal calcination. Thanks to the high power density of generated plasma and related high density of active particles, a significant removal of the organic part of the hybrid fiber without the damage of the fibrous structure was observed in the first 30 minutes. Plasma treatment before sintering decreases the time and temperature needed to complete removal of organics, does not require slow temperature rise and so decreases the cost and simplifies the preparation of metal oxide fibers.

Keywords: inorganic nanofibers; plasma assisted calcination; atmospheric pressure plasma; diffuse coplanar surface barrier discharge
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