in Miskolc-Lillafüred, Hungary, 7-11 October, 2019..

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SESSION 18: Rheology of Carbon Structures (RCS)

The carbon structures discovered in last few decades such as fullerenes, nanotubes and their exohedral and especially endohedral forms (derivatives) and then unique carbon structures such as nanodiamonds and graphenes, their oxides and other adducts with oligomers and polymers all of them are the subjects of studies at the frontiers of interdisciplinary sciences which deal with nano-scale structures molecular and supramolecular. The scientific fundamentals for the creation of novel carbon structures are supported strongly by the practical strategies for promising applications of carbon structures. They should become really base materials for future electronics, laser optics, ecological sourses of energy, information technologies instead of traditional metals and semi(super)conductors. Moreover, there are clear visible impressive prospects and real developments for actual medical applications of carbon structures for diagnostics and therapy of socially crucial deseases (e.g. Alzheimer, Parkinson, Huntington). For example, there are advanced safe materials for Magneto-Resonance Imaging with paramagnetic Endometallofullerenes which demonstrated very bright contrast effects being higher by one-two orders in magnitude with additional therapeutical effects (theranostics). On the other hand, contemporary progress in scientific and industrial applications of novel carbon structures is often limited due to the problems of their transfer to liquid phase. Therefore it seems to be important to provide a necessary solubility of carbon components and the stability of solutions and to reach desirable conditions for a regulation of reological properties of liquid systems with carbon particles by a variation of chemical nature of liquid-carriers, their temperature and viscosity as well as the concentration of carbon component. Obviously the importance of the studies of rheological properties of these materials is to be related to very different areas of sciences and industries which use the carbon structures. It can be mentioned the problems of tribology (new effective lubricants), hydrodynamics at microscale for the tasks of chromatography; medical preparations, tracers, isotopic agents which must be delivered through vascular system; nano-reactors and capillary chemical reactions etc. These examples can be also extended to the advanced technologies of synthesis, separation and purification of these new carbon-based substances.

Session RCS will provide a broad and convenient area for the information exchange, active communications and close cooperation for world-wide scientific community engaged in different branches of sciences and technologies, education programs’ developments, engineering and machinery for electronics, aerospace, materials for hydrogen power cells, medical and pharmaceutical components and other advanced competitive materials. This fusion of modern scientific approaches (synchrotron radiation and neutron scattering, gamma-spectroscopy) with traditional physical & chemical methods, micro mechanical and rheological approaches and tools seems to be valuable for the creation of shortest links between fundamental sciences for colloidal systems with carbon structures and their arising industrial applications in order to overcome known challenges for human civilisation. 




Prof. Vasily LEBEDEV

 Petersburg Nuclear Physics Institute, NRC Kurchatov Institute (Gatchina)




Session Topics


Rheology of carbon structures in liquid phase

Relationships between rheological properties, physical and chemical characteristics of carbon particles in liquid phases

Effect of solid content on the rheology of carbon structures suspended in liquid carriers

Effect of carbon particles’ surface state, charge and functionalization, on the trends to the aggregation and viscosity in these liquid systems

Effect of temperature and time on the long-term structuring, rheological behavior and stability of carbon structures’ suspensions

Measurement of rheological properties of liquid systems with diluted or suspended carbon structures – methods, equipments and applications

Effect of suspension preparation on rheology of carbon structures suspended

Stability of the solutions and suspensions of carbon structures

Effect of additives, pH and surface charge on liquid systems with carbon structures  

Mathematical, computer modeling and simulation of rheological properties and behaviors of the solutions and suspensions of carbon structures

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