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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2011, Volume 48, Issue 4,





Florica Adriana Jerca, Valentin Victor Jerca, Mitica Cezar Spiridon, Dumitru Mircea Vuluga, Dan Sorin Vasilescu, Gabriela Stanga, Dan Florin Anghel Polymer Architectures Containing Azobenzene Type Molecules in Side-chains Solvatochromic behaviour


Abstract:
In this article, some advantages and disadvantages of the incorporation method of azobenzene moieties in several polymer matrices (polymethacrylate, poly(styrene-alt-maleimide), poly(oxazoline-co-methacrylate), poly(methacrylate-co-methacryloxypropyl trimethoxy-silane)) are highlighted. Their physical properties (molecular weights, glass transition temperatures, chromophore load, solubility, and solvatochromism) are discussed with regard to their macromolecular architecture. Solvent effect on the UV-Vis absorption spectra of azo-polymers was investigated using Reichardt’s solvent polarity scale and Kamlet-Taft multiparameter equation. Kamlet-Taft equation revealed that hydrogen bond acceptor properties and dipolarity/polarizability of the solvent have a significant contribution upon the solvatochromic behaviour of azopolymers. Keywords: azobenzene, side-chain polymers, solvatochromism, Kamlet-Taft equation



Issue: 2011 Volume 48, Issue 4
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