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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
ESCI SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Imprimir: 1093-3611
ISSN On-line: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2016016073
pages 121-139

PROPERTIES OF A POLY(ETHYLENE TEREPHTHALATE) TRACK MEMBRANE WITH A POLYMER LAYER OBTAINED BY ELECTRON BEAM DISPERSION OF POLYTETRAFLUOROETHYLENE IN VACUUM

Liubov I. Kravets
Joint Institute for Nuclear Research, Flerov Laboratory of Nuclear Reactions, 6 Joliot-Curie Str., Dubna, Moscow Region, 141980, Russia
Alla B. Gilman
Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences, 70 Profsoyuznaya Str., Moscow, 117393, Russia
Mikhail Yu. Yablokov
Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences, 70 Profsoyuznaya Str., Moscow, 117393, Russia
Alexander N. Shchegolikhin
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 4 Kossygin Str., Moscow, 119334, Russia
Bogdana Mitu
National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Bucharest, Romania
Gheorghe Dinescu
National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Str., 077125 Bucharest, Romania

RESUMO

The charge transport properties of a poly(ethylene terephthalate) track membrane with a polymer layer obtained by electron beam dispersion of polytetrafluoroethylene in vacuum have been studied. It was found that polymer deposition on the surface of a track membrane results in the creation of composite membranes that possess an asymmetry of conductivity in electrolyte solutions − a rectification effect similar to that of the p−n junction in semiconductors. It is caused by the essential decrease in the pore diameter and change in the geometry of pores in the deposited layer as well as by the presence of an interface in the pores between the initial membrane and the deposited polymer layer with different wettabilities.


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