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PhD topics for academic year 2021/2022

Department of Polymers

Faculty of Chemical Technology

Biodegradable bone cements

Malinová Lenka, Ing. Ph.D. ( len...@vscht.cz)
The work will be focused on the preparation of biodegradable polymeric bone cements, which could be used as temporary fillings for bone defects, which would be gradually replaced by bone tissue. Part of the work will be deal with the synthesis and modification of bone cements based on poly(propylene fumarate), which can be crosslinked in situ through its fumarate double bonds. The crosslinkability of the prepared materials, their mechanical properties, degradation rate and biocompatibility will be tested. The next part of the work will be focused on the possibility of filling bone cements with antibiotics or supportive fillers for bone growth and their effect on mechanical properties and degradation.
Faculty of Chemical Technology

Catalytic synthesis of biodegradable polymers based on carbon oxides

Merna Jan, doc. Ing. Ph.D. ( m...@vscht.cz)
The aim of the work is to synthesize catalytic systems for carbon monoxide conversion to biodegradable polymeric materials. In the first phase, the main attention will be focused on reaction of carbon oxides with epoxides leading to polyesters. Stereoregularity of the obtained polymers will be evaluated and their properties will be compared with highly stereoregular natural polymers. The work has interdisciplinary character with focus on organometallic and polymer synthesis followed by study of biological degradation of prepared materials.
Faculty of Chemical Technology

Molecular composites of polyamides

Brožek Jiří, prof. Ing. CSc. ( bro...@vscht.cz)
The work is focused on preparation posibilities of molecular composites polyamide 6/other polyamides and their characterization. Polyamide acts as a matrice in these materials and other polyamide is scattered in the matrice and can change properties of materials. These composites offer variability in materials properties and fullfil demands on special polymers.
Faculty of Chemical Technology

Polyamide nanocomposites

Brožek Jiří, prof. Ing. CSc. ( bro...@vscht.cz)
The work is focused on the preparation and characterization of novel hybrid materials based on layered inorganic fillers (layered silicate, double hydroxide and graphene) and polyamide 6. These materials will be prepared by in situ polymerization of hexano-6-lactam in the presence of fillers or by melt blending of components.
Faculty of Chemical Technology

Polymer materials for industrial 3D printing

Kuta Antonín, doc. Ing. CSc. ( k...@vscht.cz)
Faculty of Chemical Technology

Preparation of biodegradable (co)polyesters and study of their degradation

Malinová Lenka, Ing. Ph.D. ( len...@vscht.cz)
The work will be focused on preparing of biodegradable and biocompatible (co)polymers which will be prepared by (co)polymerization of cyclic esters where biogenic metal initiators (e.g., magnesium, calcium) will be used to initiate (co)polymerization. From the prepared (co)polymers, foils and micro-/nanofiber layers will be prepared. The relationship between the properties of the spunbond material (copolymer composition, molar mass, thermal properties, concentration of solution, solvent type) and parameters of spinning process (applied voltage, electrode distance from the collector, electrode type) on the quality of the fiber layers and fiber diameters will be searched (in cooperation with an external workplace). Finally, susceptibility of the prepared materials to degradation will be tested.
Faculty of Chemical Technology

Quantum-chemical modeling of catalysts for olefin living coordination polymerizations

Merna Jan, doc. Ing. Ph.D. ( m...@vscht.cz)
The goal of the work is to calculate geometries of complexes suitable for living coordination polymerizations and their most common reaction coordinates using DFT method. The results of the work should allow one to predict influences of steric and electronic effects of ligand structure on the extent of transfer and termination reactions and help to find the catalyst with both “ideal” living behavior and high polymerization activity at the same time. Another goal of the work is to study the mechanism of catalytic polymerizations by modeling of catalysts spectra. Where possible, calculated data will be correlated with experimental results and the general validity of the obtained theoretical results will be evaluated. The thesis will be elaborated in collaboration with experts in the field of QC calculation (IPF Dresden, IPC UCT).
Updated: 11.12.2019 11:36, Author: Jan Kříž

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