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pro vyhledávání: '"D.L Anastassopoulos"'
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Autor:
Christoforos A. Krontiras, József Karger-Kocsis, Georgia N. Tomara, Stavroula N. Georga, D.L. Anastassopoulos, P. K. Karahaliou
Publikováno v:
Polymer International. 68:871-885
Publikováno v:
Polymer. 95:82-90
BaSrTiO 3 /epoxy resin nanocomposites were prepared in a wide range of filler concentrations. Electron microscopy images demonstrated fine dispersion of the nanoinclusions. Variation of glass transition temperature with particles concentration was de
Publikováno v:
Journal of the Chinese Advanced Materials Society. 2:207-221
Epoxy composites reinforced with (1) micro-size barium titanate (BaTiO3), (2) nano-size BaTiO3, (3) graphite nanoplatelets (GNP), (4) combination of micro and nano BaTiO3 and (5) combination of BaTiO3 and GNP were fabricated and studied, in terms of
Autor:
D.L. Anastassopoulos, Georgios C. Psarras, A.A. Vradis, Christoforos A. Krontiras, József Karger-Kocsis, G. A. Sofos, Stavroula N. Georga
Publikováno v:
European Polymer Journal. 54:190-199
Morphology and electrical response of hydrogenated acrylonitrile butadiene rubber (HNBR) and its multiwall carbon nanotube (MWCNT) reinforced nanocomposites were studied by means of X-ray diffraction and broadband dielectric spectroscopy. HNBR system
Autor:
Anastasia Christoulaki, Alexandros A. Vradis, D.L. Anastassopoulos, Nikolaos Spiliopoulos, Spilios Dellis
Publikováno v:
Journal of Applied Electrochemistry. 44:701-707
A study of the thickness growth rate of anodized porous alumina membranes (PAMs) and its connection to the current density during the anodization process is presented. Several samples of PAMs were prepared in a hydrate solution of 0.3 M oxalic acid,
Autor:
Nikolaos Spiliopoulos, D.L. Anastassopoulos, Allain Menelle, Alexandros A. Vradis, Chris Toprakcioglu, Fabrice Cousin
Publikováno v:
Macromolecules. 46:6972-6980
The behavior of end-adsorbed bimodal PS–PEO block copolymer systems was studied with neutron reflectivity experiments, both under static conditions (zero shear rate) and under a stepwise-increasing shear flow, up to a critical shear rate where deso
Autor:
Nikolaos Spiliopoulos, Spilios Dellis, Anastasia Christoulaki, Christos Kostaras, D.L. Anastassopoulos, Chris Toprakcioglu, George D. Priftis, Alexandros A. Vradis
Publikováno v:
Journal of Applied Physics. 124:204307
We describe a novel technique for the characterization of the mean pore radius of self-ordered porous anodic alumina membranes. We have studied the flow of liquids through cylindrical membrane pores under conditions of very low Reynolds number (Re
Publikováno v:
Journal of Non-Crystalline Solids. 356:2042-2048
Pure TiO 2 and mixed Nb 2 O 5 /TiO 2 oxides were prepared on silica glass substrates using the sol–gel technique. The electrical conductivity of the films, heat-treated at 800 °C, was studied in the temperature range of 27–107 °C in vacuum and
Autor:
D.L. Anastassopoulos, Chris Toprakcioglu, Angeliki Siokou, Alexandros Koutsioubas, Sotiria Karagiovanaki, Nikolaos Spiliopoulos, Alexandros A. Vradis
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 48:1676-1682
We have studied the adsorption of end-attaching block copolymer chains inside the cylindrical pores of nanoporous alumina. Highly asymmetric PS-PEO block copolymers, with a small PEO anchoring block and a long PS dangling block, were allowed to adsor