Browsing by Subject "Gel permeation chromatography (GPC)"

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    Photophysical and thermal properties of polyazomethines containing various flexible units
    (Polymer Society of Korea, 2017) Kaya İ.; Avcı A.; Temizkan K.
    In this study, the poly(azomethine-ether-urethane), poly(azomethine-ester) and poly(azomethine-epoxyether) compounds were prepared to investigate effect of various flexible units on some physical properties like thermal stability and photophysical properties. Structural characterizations were made by FTIR, 1H NMR, 13C NMR, and UV-Vis analyses. The molecular weight distributions of polymers were performed by gel permeation chromatography (GPC) measurement. The chemical and physical properties of polymers were examined by thermogravimetry (TG), differential scanning calorimetry (DSC), photoluminescence (PL), dynamic mechanical analysis (DMA), scanning electron microscope (SEM) and atomic force microscopy (AFM) techniques. As a result, the outstanding properties related to the photoluminescence and thermal measurements of the polymers were obtained. Therefore, the presented photoluminescent polymers could be used in thermally stable photo-functional materials. [Figure not available: see fulltext.] © 2016, The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht.