Structure and properties of polyurethane/YAG:Tb3+ nanocomposites with luminescence properties

J. Ryszkowska; E. Zawadzak; D. Hreniak; W. Stręk; K. J. Kurzydłowski

Published : 2022-08-26

Vol. 52 No. 5 (2007)

Structure and properties of polyurethane/YAG:Tb3+ nanocomposites with luminescence properties

J. Ryszkowska E. Zawadzak D. Hreniak W. Stręk K. J. Kurzydłowski

Abstract

Elastic polyurethanes films with luminescent properties have attracted increasing attention, both as a subject of fundamental and applied research. In the present study, polyurethane nanocomposites containing 0.05 to 0.2 wt. % of nanofillers were prepared by in situ polymerization. These nanocomposites were subsequently used to investigate the influence of the nanoparticles’ content on their structure and properties. PUR was synthesized using polycaprolactone diol (PCL diol) and dicyclohexylmethane-4,4’-diisocyanate (HMDI) with addition of diols as chains extenders. The nanofiller in the form of yttrium-aluminum-garnet (YAG) containing 10 wt. % of Tb3+ was added and samples of composites were synthesized employing prepolymer fabrication route. Series of nanocomposites with exhibited high luminescence and intensity of emission. Microstructure of these composites was investigated using atomic force microscopy (AFM) in a tapping mode. The grain size analysis of nanofillers was performed with high resolution scanning electron microscopy (HRSEM) and high resolution transmission electron microscopy (HRTEM). The mechanical and optical properties of the specimens have been correlated to their microstructure.

Keywords

poliuretany ; nanokompozyty ; morfologia ; właściwości optyczne ; właściwości termiczne ; właściwości mechaniczne polyurethanes ; nanocomposites ; morphology ; optical properties ; thermal properties ; mechanical properties

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Ryszkowska, J., Zawadzak, E., Hreniak, D., Stręk, W., & Kurzydłowski, K. J. (2022). Structure and properties of polyurethane/YAG:Tb3+ nanocomposites with luminescence properties. Polimery, 52(5), 340–344. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1424

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J. Ryszkowska polimery@ichp.pl

E. Zawadzak

Affiliation
Warsaw University of Technology, Faculty of Materials Science and Engineering, 02-507 Warsaw, Poland,

D. Hreniak

W. Stręk

K. J. Kurzydłowski