Surface properties of dicationic ionic liquids and correlation with biological activity
Author:
Wojcieszak Marta1, Kaczmarek Damian Krystian1, Krzyźlak Klaudia1, Siarkiewicz Amelia1, Klejdysz Tomasz2, Materna Katarzyna1
Affiliation:
1. Poznan University of Technology, Institute of Chemical Technology and Engineering , Poznan , Poland 2. Institute of Plant Protection, National Research Institute , Poznan , Poland
Abstract
Abstract
The surface activity of dicationic ionic liquids is described in this paper. The basic interfacial parameters including critical micelle concentration (CMC), surface tension at the CMC (γ
CMC), the adsorption efficiency (pC20), surface excess (Γmax), the minimum surface occupied by a single molecule (A
min), and Gibbs energy (ΔG
0
ads) were investigated and compared. Basically, we wanted to extend our previous study on dicationic ionic liquids with bis-ammonium cation. Knowing that, the compounds obtained are effective in limiting the feeding of adult and larvae confused flour beetle (T. confusum), it was decided to correlate the deterrent activity with the surface properties of analyzed dicationic ionic liquids. Accordingly, it was found that the deterrent activity of the studied compounds increases with increasing wetting ability.
Publisher
Walter de Gruyter GmbH
Subject
Condensed Matter Physics,General Chemical Engineering,General Chemistry
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