Barwniki styrylochinoliniowe jako sondy spektroskopowe w procesie polimeryzacji rodnikowej

A. Bajorek; J. Kabatc; J. Pączkowski

Published : 2022-08-26

Vol. 52 No. 7-8 (2007)

Application of styrylquinolinium dyes as spectroscopic probes in radical polymerization process

A. Bajorek J. Kabatc J. Pączkowski

Abstract

The results of investigations concerning the organic salts compounds of D-?-A+X- type consisting of organic alkylquinolinium cation (electron acceptor A+), bonded via ? electrons system with N,N-dialkylaniline group (electron donor D), and inorganic iodide anion (X-) (Table 1) were discussed. The effect of environment polarity on the spectroscopic properties of such salts used as fluorescent probes was evaluated. Absorption (Fig. 1) and fluorescence spectra (Fig. 2-4) in the solvents differing in polarity: tetrahydrofuran (THF) and dimethylformamide (DMF) were recorded. The changes in the fluorescent spectra of the compounds tested during thermally initiated methyl methacrylate polymerization (Fig. 5-7) were investigated. This way their usability for polymerization process monitoring, as fluorescent probes, has been determined. Comparatively, a relative parameter called probe sensitivity (Table 2) was introduced.

Keywords

sondy fluorescencyjne ; barwniki styrylochinoliniowe ; polimeryzacja rodnikowa ; czułość względna fluorescent probes ; styrylquinolinium dyes ; radical polymerization ; relative sensitivity

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Bajorek, A., Kabatc, J., & Pączkowski, J. (2022). Application of styrylquinolinium dyes as spectroscopic probes in radical polymerization process. Polimery, 52(7-8), 556–561. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1449

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A. Bajorek agab@chem.atr.bydgoszcz.pl

Affiliation
Uniwersytet Technologiczno-Przyrodniczy, Wydział Technologii i Inżynierii Chemicznej, ul. Seminaryjna 3, 85-326 Bydgoszcz

J. Kabatc

J. Pączkowski