National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Sorpční a permeační vlastnosti membrány ze silikonu a iontové kapaliny v butanolových párách
Vopička, O. ; Hynek, V. ; Zgažar, M. ; Friess, K. ; Izák, Pavel
This contribution deals with properties of ionic liquid-silicone blends for butanol vapours.
Vliv obsahu iontových kapalin na vlastnosti neporézních polymerních membrán
Kohoutová, Marie ; Sikora, Antonín ; Hovorka, Š. ; Randová, A. ; Schauer, Jan ; Izák, Pavel
The polydimethylsiloxane membranes containing 0, 10, 20 or 30 wt. % of ionic liquid (benzyl-3-butylimidazolium tetrafluoroborate) were used for separation of butan-1-ol from water. Pervaporation selectivity increased and the butan-1-ol flux through the membrane raised with the increased content of [BBIM][BF4] in the PDMS-[BBIM][BF4] membranes. The PDMS-[BBIM][BF4] membrane showed high stability as well as selectivity (the separation factor raised up to 37, if 30 weight % of ionic liquid was accommodated in PDMS) during all experiments.

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