– Molecular dynamics in disordered systems – Fundamentals

  • Comparative study of the dynamics of amorphous polymers by relaxation techniques and physicochemical methods
  • Investigation of the effects on the structure and local dynamics of polymers, composites and glass-forming liquids induced by confinement in small volumes of nanometric size
  • Study of polymeric chain dynamics in different systems of well defined architectures (block copolymers, star-like macromolecules, dedrimers) under variation of chemical and geometrical restrictions

– Investigation of structure-property relationships in various composite materials

  • Relationships between polymer mobility, material microstructure and macroscopic physical properties
  • Development of methodologies for structural and morphological characterization of nanostructured materials using dielectric measuring techniques
  • Nanoscale modifications of brittle polymer networks by flexible crosslinks
  • Measurements and modeling of the electrical conductivity in nanocomposites consisting of conductive and insulating regions
  • Dynamics and molecular motions in various composite materials: polymeric blends, IPNs, block copolymers, engineering thermoplastics and thermosets, hyperbranched polymers, hybridic materials (polymeric matrix with inorganic inclusions like metal oxides, clays, POSS particles, CNTs)

– Electrical conductivity of materials

  • Conductivity effects in various systems: polymer electrolytes – ionic conductors, two- or multi-phase systems exhibiting a percolation-type conductivity (insulating polymeric matrix with conductive inclusions (e.g. metallic particles, CNTs, conductive polymeric phase)
  • Monitoring of changes in electrical resistivity and in dielectric properties of swollen conductive polymeric nanocomposites and inherently conductive polymers which can be potentially used in gas sensing applications
  • Properties of conductive composite polymeric systems used in electromagnetic shielding applications

– Thermal conductivity of materials

Processes of heat transfer in a variety of neat materials (polymers, ceramics, metals) or in composites (or nano-composites) based on those matrices

– Hydration properties of materials

  • Investigation of the hydration properties of polymers, composites and nanostructured polymer-based materials including both, the various forms of water molecules organization in these materials and the effects of water on the structure and local dynamics of the matrix material
  • Local molecular dynamics and origin of interactions existed between adsorbed water molecules and biocompatible materials. Comparative study of hydrogels by various techniques
  • Molecular dynamics of proteins and thermal transitions at various levels of hydration
  • Equilibrium Sorption and water diffusion measurements on both hydrophilic and hydrophobic materials in a wide range of relative humidities
  • Hydration properties and transport phenomena in porous media (e.g. silica, natural rocks) and in materials candidates for food packaging applications

– Investigation of the thermoresponsive behavior of novel polymeric systems

– Molecular dynamics in liquid crystals (smectic and discotic forms) and liquid crystalline polymers

– Molecular dynamics and conductivity

Molecular dynamics and conductivity exhibited by materials under on line varying atmosphere (gas sensors applications)

– Monitoring of reactive chemical processes (curing of thermosetting polymers)

– Structural health monitoring

Structural health monitoring of conductive filler reinforced polymer composites via dc and ac conductivity measurements (by combining mechanical and dielectric measurements on line)