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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12128/11031
Title: New kind of polymer materials based on selected complexing star-shaped polyethers
Authors: Swinarew, Andrzej
Swinarew, Beata
Gabor, Jadwiga
Popczyk, Magdalena
Kubik, Klaudia
Stanula, Arkadiusz
Waśkiewicz, Zbigniew
Rosemann, Thomas
Knechtle, Beat
Keywords: Complexing polyethers; Drug-sensitive materials; Acetylsalicylic acid; Star-shaped polyethers
Issue Date: 2019
Citation: “Polymers” 2019, vol. 11, iss. 10, art. no 1554, s. 1-16
Abstract: In today’s analytical trends, there is an ever-increasing importance of polymeric materials for low molecular weight compounds including amines and drugs because they can act as carriers or capture amines or drugs. The use of this type of materials will allow the development of modern materials for the chromatographic column beds and the substrates of selective sensors. Moreover, these kinds of materials could be used as a drug carrier. Therefore, the aim of this study is presenting the synthesis and complexing properties of star-shaped oxiranes as a new sensor for the selective complexation of low molecular weight compounds. Propylene oxide and selected oxirane monomers with carbazolyl in the substituent were selected as the monomers in this case and tetrahydrofuran as its solvent. The obtained polymer structures were characterized using the MALDI-TOF. It was found that in the initiation step potassium hydride deprotonates the monomer molecule and takes also part in the nucleophilic substitution. The resulting polymeric material preferably cross-linked with selected di-oxiranes (1,2,7,8-diepoksyoktan in respect ratio 3:1 according to active center) was then used as a stationary phase in the column and thin layer chromatography for amine separation and identification. Sorption ability of the resulting deposits was determined using a quartz microbalance (QCMB). The study was carried out in stationary mode and flow cells to simulate actual operating phase conditions. Based on changes in electrode vibration frequency, the maximum amount of adsorbed analyte and the best conditions for its sorption were determined.
URI: http://hdl.handle.net/20.500.12128/11031
DOI: 10.3390/polym11101554
ISSN: 2073-4360
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