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' (
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Visar 100 publikationer
Slip of styrene–butadiene rubbers: The effects of pressure and viscous heating.
Scaling laws for near-wall flows of thixo-elasto-viscoplastic fluids in a millifluidic channel
Orientation of graphene nano sheets in magnetic fields
Cellulose modified to host functionalities via facile cation exchange approach
Automated Prediction of Bacterial Exclusion Areas on SEM Images of Graphene–Polymer Composites
Painting Taylor vortices with cellulose nanocrystals: supercritical spectral dynamics
An Intriguing Array of Extrudate Patterns in Long-Chain Branched Polymers During Extrusion
Polyethylene Based Ionomers as High Voltage Insulation Materials
Challenges in nano-structured fluid flows for assembly into hierarchical biomaterials
Polysaccharide-based antibacterial coating technologies
Surface instability detection in highly-filled biocomposites from inline imaging during extrusion
Phase transitions of cellulose nanocrystal suspensions from nonlinear oscillatory shear
Simulation of viscoelastic squeeze flows for adhesive joining applications
Dynamic and Static Assembly of Sulfated Cellulose Nanocrystals with Alkali Metal Counter Cations
Probing the Impact of the Hydroxide Base Composition on Ethrerification of Cellulose
Graphene-Based Antimicrobial Biomedical Surfaces
A Backwards-Tracking Lagrangian-Eulerian Method for Viscoelastic Two-Fluid Flows
Thixotropy of cellulose nanocrystal suspensions
Unexpected microphase transitions in flow towards nematic order of cellulose nanocrystals
Nonlinear “oddities” at the percolation of 3D hierarchical graphene polymer nanocomposites
Mechanical Behavior of Melt‐Mixed 3D Hierarchical Graphene/Polypropylene Nanocomposites
Hierarchical films from cellulose
Antibacterial effect of boron nitride flakes with controlled orientation in polymer composites
A Mechanics Based Surface Image Interpretation Method for Multifunctional Nanocomposites
Highly structured graphene polyethylene nanocomposites
Composites with surface-grafted cellulose nanocrystals (CNC)
Gel point in CNC dispersion from FT Rheology
A numerical framework for simulation of swirled adhesive application
Evidence of percolated network at the linear - Nonlinear transition in oscillatory shear
Composites with surface-grafted cellulose nanocrystals (CNC)
Homogenization Method for 2-D Nano-Structure Reinforced Polymer Matrix
High sensitivity measurements of normal force under large amplitude oscillatory shear
Rheo-optics and the nonlinear material behavior of cellulose nanocrystals suspensions
Annual Transactions of the Nordic Society of Rheology - Volume 26
Developing cultured meat scaffolds of extruded vegetable-based proteins
Rheological characterization of hybrid LDPE nanocomposites containing graphite nanoplatelets
Extrusion melt flow instabilities in long chain branhed polyethylenes
Influence of manufacturing process on electrical properties of LDPE-GnP nanocomposites
Annual Transactions of the Nordic Society of Rheology - Volume 25
Extrusion melt flow instabilities in long chain branched polyethylenes
Developing cultured meat scaffolds of extruded vegetable-based scaffolds
Development of extruded high-protein alternatives to meat
Foaming of hydroxypropyl methylcellulose
Novel electrical properties of extruded LDPE-GnP filled nanocomposites
Processing window for extrusion foaming of hydroxypropyl methylcellulose
Making foam from natural polymers
Annual Transactions of the Nordic Rheology Society - Volume 24
Annual Transactions of the Nordic Rheology Society - Volume 23
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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Visar 17 forskningsprojekt
Fiberbildning i smältor ämnade för växtbaserade köttanaloger
Yield stress fluids in industrial flows
Commercializing a new class of antibacterial surfaces: polymer graphene nanocomposites
Microstructure optimization and orientation of 2D-nano structures
Modellering och optimering av processning av biopolymerer
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
Högpresterande och skalbara skräddarsydda grafen - polyolefin nanokompositer
Optisk fiber med ytbeläggning innehållande Grafen
Grafen förstärkt lim för punktsvetsning
Rheological studies on nanocellulose suspensions
Novel methods to include graphene as a packaging barrier
Smart mat av havre och odlade muskelceller (Smat)