Dr Drahosh Vesely
Light and electron microscopy, electron beam damage and spectroscopy are used to study crystallographic morphology of spherulitic structures, nucleation and crystallization, stabilization, degredation, electrical conductivity, fluorescence, diffusion, permeability, solubility and mechanical properties of polymeric compounds.
Microstructure and diffusion in polymeric materials
Dr. D. Vesely
Mass transport of liquids in polymer matrixes is studied using FTIR microscopy, light microscopy, electron microscopy, fluorescence, MRI and gravimetry. New experimenta;l evidence shows discrepancy with the existing theories and a new theory had to be developed. This is based on molecular interactions and details of this mechanism are currently invesigated together with applications to miscibility, oxidative degradation, permeability and formation of new composite materials.
1 public active projects
Gabrys B.J., Bhutto A.A., Bucknall D.G., Braiewa R., Vesely D. and Weiss R.A.: 'Neutron reflectivity studies of ionomer blends' Applied Physics A - Materials Science & Processing 74, S336-S338 (2002).
Bhutto, A.A., Vesely, D. and Gabrys, B.J.: 'Miscibility and interactions in polystyrene and sodium sulfonated polystyrene with poly(vinyl methyl ether) PVME blends. Part II. FTIR.' Polymer 44 (21) (2003) 6627-6631.
Gabrys, B.J., Bhutto, A.A., Bucknall, D.G., Braiewa, R., Vesely, D. and Weiss, R.A.: 'Neutron reflectivity studies of ionomer blends.' Applied Physics A-Materials Science & Processing 74 (2002) S336-S338.
Morrissey, P., Vesely, D. and Cooley, G.: 'Stability of sulphonate type membranes in aqueous bromine/bromide environments' Journal Of Membrane Science 247 (1-2) (2005) 169-178.
Bernardo G. and Vesely D. 'Equilibrium solubility of alcohols in polystyrene attained by controlled diffusion' European Polymer Journal 43 (2007) 938-948
Zhu M. and Vesely D. 'The effect of polymer swelling and resistance to flow on the solvent diffusion and permeability' European Polymer Journal 43 (2007) 4503-4515
Bernardo G. and Vesely D. 'Solubility of carboxylic acids in a matrix of uncrosslinked polystyrene' European Polymer Journal 43 (2007) 4983-4994
Bernardo G. and Vesely D. ' Solubility of alkanes in a polystyrene matrix' Journal of Applied Polymer Science 110 (2008) 2393-2398
Vesely D. 'Diffusion of liquids in polymers' International Materials Reviews 53 (2008) 299-315
Vesely D. 'Liquid Transport in Polymer Matrixes' Proceedings of Interdisciplinary Transport Phenomena VI, Volterra-Italy 2009, Session 15, page 8-12.
Bernardo G. and Vesely D. 'Anomalous Swelling of Polystyrene Matrix in Organic Solvents' Journal of Applied Polymer Science 115 (2010) 2402-2408
Bernardo G. and Vesely D. 'Equilibrium Swelling of Polystyrene by Alkanes and Carboxylic Acids: A simple Quantative Correlation Model' Journal of Applied Polymer Science 116 (2010) 1348-1356