Roland Kádár
The processing of soft matter into products typically involves rheologically complex fluids in complex flow configurations. Thus, understanding flow-field-matter/compositional interactions in relation to fundamental rheological properties is essential for obtaining products with favorable performance.
In this framework, the staples of Roland's research and current related activities and interests are:
(i) Advanced characterization methods, method development - focused on nonlinear material characterization and hyphenated rheological techniques, e.g. rheo-microscopy, rheo-SAXS, mainly applied to nanocellulose suspensions, polymer nanocomposites, adhesives and biomaterials (biofilms, tissues).
(ii) Tailoring multifunctional properties in nanostructured materials - focused on the process structuring of polymer nanocomposites based on graphene and other high aspect ratio fillers for enhanced electrical, antibacterial, thermal, mechanical, gas-barrier etc. properties.
(iii) Dynamics of simple and complex fluids for processing applications - focused on modeling, processing flow and compositional optimization of high filler content bicomposites and flow-assisted structuring of nanocrystalline cellulose dispersions.
Roland is PI in the Wallenberg Wood Science Centre (WWSC 2.0) and the Vinnova Competence Centre '2D material-based technology for industrial applications' (2D-TECH). Roland is also Reseach Competence Area leader for Predictive Processing within the FibRe Vinnova Competence Centre. In addition to his activities at Chalmers, Roland is President of the Nordic Rheology Society.
Showing 70 publications
A Backwards-Tracking Lagrangian-Eulerian Method for Viscoelastic Two-Fluid Flows
Graphene-Based Antimicrobial Biomedical Surfaces
Mechanical Behavior of Melt‐Mixed 3D Hierarchical Graphene/Polypropylene Nanocomposites
Nonlinear “oddities” at the percolation of 3D hierarchical graphene polymer nanocomposites
Unexpected microphase transitions in flow towards nematic order of cellulose nanocrystals
A numerical framework for simulation of swirled adhesive application
Highly structured graphene polyethylene nanocomposites
Composites with surface-grafted cellulose nanocrystals (CNC)
Gel point in CNC dispersion from FT Rheology
A Mechanics Based Surface Image Interpretation Method for Multifunctional Nanocomposites
Evidence of percolated network at the linear - Nonlinear transition in oscillatory shear
Antibacterial effect of boron nitride flakes with controlled orientation in polymer composites
Hierarchical films from cellulose
Rheo-optics and the nonlinear material behavior of cellulose nanocrystals suspensions
Composites with surface-grafted cellulose nanocrystals (CNC)
High sensitivity measurements of normal force under large amplitude oscillatory shear
HOMOGENIZATION METHOD FOR 2-D NANO-STRUCTURE REINFORCED POLYMER MATRIX
Annual Transactions of the Nordic Society of Rheology - Volume 26
Influence of manufacturing process on electrical properties of LDPE-GnP nanocomposites
Developing cultured meat scaffolds of extruded vegetable-based proteins
Extrusion melt flow instabilities in long chain branched polyethylenes
Developing cultured meat scaffolds of extruded vegetable-based scaffolds
Annual Transactions of the Nordic Society of Rheology - Volume 25
Development of extruded high-protein alternatives to meat
Extrusion melt flow instabilities in long chain branhed polyethylenes
Rheological characterization of hybrid LDPE nanocomposites containing graphite nanoplatelets
Processing window for extrusion foaming of hydroxypropyl methylcellulose
Foaming of hydroxypropyl methylcellulose
Novel electrical properties of extruded LDPE-GnP filled nanocomposites
Making foam from natural polymers
Continuous foaming of hydroxypropyl methylcellulose
A new high sensitivity system to detect instabilities during the extrusion of polymer melts
An advanced framework for the rheological characterization of polymer nanocomposites
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Showing 16 research projects
Yield stress fluids in industrial flows
Commercializing a new class of antibacterial surfaces: polymer graphene nanocomposites
Microstructure optimization and orientation of 2D-nano structures
Modeling and optimization of biocomposite processing
Development of a new rheometer system at MAX IV
Advanced rheometry of CNC based systems
Advanced characterization of new insulation materials for next generation of HVDC power cables
High performance and scalable tailored graphene - polyolefin nanocomposites
Graphene enhanced adhesives for spot welding
Rheological studies on nanocellulose suspensions
Novel methods to include graphene as a packaging barrier
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