Search Results - "Radovici, Constantin"

PREPARATION AND CHARACTERIZATION OF PVA COMPOSITES WITH CELLULOSE NANOFIBERS OBTAINED BY ULTRASONICATION by Dan Donescu, Catalin Ilie Spataru, Constantin Radovici, Roxana Trusca, Raluca Somoghi, Denis Mihaela Panaitescu, Adriana Nicoleta Frone

“…Cellulose nanofibers were obtained from microcrystalline cellulose (MCC) by the action of hydrodynamic forces associated with ultrasound. Nanofibers isolated…”
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The influence of alkyl substituents of POSS in polyethylene nanocomposites by Perrin, Francois Xavier, Panaitescu, Denis Mihaela, Frone, Adriana Nicoleta, Radovici, Constantin, Nicolae, Cristian

“…The influence of the alkyl substituent of POSS containing Q8 cage in polyethylene (PE) – POSS nanohybrids was investigated in this paper…”
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Investigation of Mechanical Properties of PP/Clay Nanocomposites Based on Network Cross-Linked Compatibilizers by Sanporean (previously Potarniche), Catalina G, Vuluga, Zina, Christiansen, Jesper deClaville, Radovici, Constantin, Jensen, Erik A, Paven, Horia

“…Nanocomposites of polypropylene with organically modified clay were obtained on a corotating extruder. The modification of clay was done by swelling with a…”
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Influence of two compatibilizers on clay/PP nanocomposites properties by Potarniche, Catalina-Gabriela, Vuluga, Zina, Christiansen, Jesper de Claville, Radovici, Constantin, Kristensen, Peter Kjaer

“…This article investigates the influence on mechanical properties of using a two compatibilizer system. Cloisite‐Na Clay (ClNa) was organically modified in…”
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Titanium diffusion coatings on austenitic steel obtained by the pack cementation method by MIRELA BRITCHI, NICULAE ENE, MIRCEA OLTEANU, CONSTANTIN RADOVICI

“…The surface of specimens made of 316L austenitic steel was modified by titanium diffusion. The diffusion coatings were obtained by packing in a powder mixture…”
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Effects of SiO2 and Al2O3 nanofillers on polyethylene properties by Panaitescu, Denis, Ciuprina, Florin, Iorga, Michaela, Frone, Adriana, Radovici, Constantin, Ghiurea, Marius, Sever, Serban, Plesa, Ilona

“…Polymers filled with inorganic nanoparticles have become interesting materials as dielectrics because of their improved mechanical and electrical properties…”
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Thermal and mineralogical investigations of iron archaeological materials by Ion, Rodica Mariana, Radovici, Constantin, Fierascu, Radu Claudiu, Fierascu, Irina

“…In Covasna area from Romania, some heterogeneous metallurgical waste (slag) has been identified by archaeological excavations. This paper presents the…”
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Morphological investigation of PP/nanosilica composites containing SEBS by Panaitescu, Denis Mihaela, Vuluga, Zina, Radovici, Constantin, Nicolae, Cristian

“…The effect of styrene-(ethylene-co-butylene)-styrene triblock copolymer (SEBS) on the mechanical, thermal and morphological properties of polypropylene (PP)…”
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Effect of SEBS on morphology, thermal, and mechanical properties of PP/organoclay nanocomposites by Vuluga, Zina, Panaitescu, Denis Mihaela, Radovici, Constantin, Nicolae, Cristian, Iorga, Michaela Doina

“…A simultaneously increase in stiffness and toughness is needed for improving polypropylene (PP) competitiveness in automotive industry. The aim of this paper…”
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Influence of branched or un-branched alkyl substitutes of POSS on morphology, thermal and mechanical properties of polyethylene by Frone, Adriana Nicoleta, Perrin, François Xavier, Radovici, Constantin, Panaitescu, Denis Mihaela

“…Organic–inorganic hybrids comprising octakis(dimethylsiloxy)octasilsesquioxanes with linear (POSSl) and branched C5 substitutes (POSSb) and low density…”
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Effects of the nanoassociation of hexadecyltrimethoxysilane precursors on the sol–gel process by Spataru, Catalin Ilie, Purcar, Violeta, Ghiurea, Marius, Radovici, Constantin, Stanga, Gabriela, Donescu, Dan

“…Modifications to the refractive indices of meso-structured organic–inorganic films caused by variations in the mole fraction of precursors in ethanolic…”
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Influence of octyl substituted octakis(dimethylsiloxy)octasilsesquioxane on the morphology and thermal and mechanical properties of low density polyethylene by Panaitescu, Denis Mihaela, Frone, Adriana Nicoleta, Radovici, Constantin, Nicolae, Cristian, Perrin, François Xavier

“…Low density polyethylene (LDPE) was melt blended with octyl substituted octakis(dimethylsiloxy)octasilsesquioxane (AS8) prepared in high yield by…”
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Superparamagnetic magnetite–divinylbenzene–maleic anhydride copolymer nanocomposites obtained by dispersion polymerization by Donescu, Dan, Raditoiu, Valentin, Spataru, Catalin Ilie, Somoghi, Raluca, Ghiurea, Marius, Radovici, Constantin, Fierascu, Radu Claudiu, Schinteie, Gabriel, Leca, Aurel, Kuncser, Victor

“…[Display omitted] ► Composites containing magnetite were obtained by dispersion polymerization. ► The hybrids show good dispersion of inorganic nanofillers in…”
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The effect of polystyrene blocks content and of type of elastomer blocks on the properties of block copolymer/layered silicate nanocomposites by Vuluga, Zina, Panaitescu, Denis Mihaela, Sanporean, Catalina Gabriela, Radovici, Constantin, Gabor, Raluca, Nicolae, Cristian Andi, Corobea, Mihai Cosmin, Iorga, Michaela, Florea, Dorel

“…•TPE/nanosilicate interactions function of PS content and elastomer type were studied.•Maximum silicate concentration uniformly dispersed by melt intercalation…”
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Influence of octyl substituted octakis(dimethylsiloxy)octasilsesquioxane on the morphology and thermal and mechanical properties of low density polyethylene: Octakis(dimethylsiloxy)octasilsesquioxane and LDPE by Panaitescu, Denis Mihaela, Frone, Adriana Nicoleta, Radovici, Constantin, Nicolae, Cristian, Perrin, François Xavier

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Switching behavior of thermochromic copper and silver tetraiodomercurate embedded in silica hybrid materials by Raditoiu, Valentin, Radovici, Constantin, Raditoiu, Alina, Nicolae, Cristian Andi, Culita, Daniela Cristina, Fierascu, Radu Claudiu, Amariutei, Viorica, Wagner, Luminita Eugenia

“…•Composites based on silver and copper tetraiodomercurates were investigated.•Switching properties of thermochromic compounds are modified due to…”
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Effects of SiO 2 and Al 2 O 3 nanofillers on polyethylene properties by Panaitescu, Denis, Ciuprina, Florin, Iorga, Michaela, Frone, Adriana, Radovici, Constantin, Ghiurea, Marius, Sever, Serban, Plesa, Ilona

“…Abstract Polymers filled with inorganic nanoparticles have become interesting materials as dielectrics because of their improved mechanical and electrical…”
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Polyacrylonitrile–MWCNT hybrids obtained by free radical polymerization in miniemulsions by Donescu, Dan, Corobea, Mihai Cosmin, Petcu, Cristian, Spataru, Catalin Ilie, Radovici, Constantin, Majeed, Shahid, Abetz, Volker

“…Polyacrylonitrile (PAN) and poly(acrylonitrile-co-vinylcarbazole) (PAN-VK) hybrids were obtained in presence of multiwalled carbon nanotubes (MWCNT) by a…”
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Silica nanowires obtained on clay mineral layers and their influence on mini-emulsion polymerisation by Corobea, Mihai Cosmin, Capek, Ignac, Ianchis, Raluca, Donescu, Dan, Somoghi, Raluca, Ghiurea, Marius, Nistor, Cristina Lavinia, Purcar, Violeta, Cinteza, Ludmila Otilia, Radovici, Constantin, Prodan, Gabriel

“…The increased interest in silica nanowires for nanophotonics, mechanical applications, microsurgery, chemical and biological sensors strongly motivates the…”
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Copolymerization in dispersion of divinyl benzene–maleic anhydride in the presence of silylated montmorillonite clays by Donescu, Dan, Somoghi, Raluca, Nistor, Cristina L., Ianchis, Raluca, Ghiurea, Marius, Prodan, George, Radovici, Constantin

“…Sodium montmorillonite (NaMMT clay) derivatives were encapsulated in polymer particles obtained through dispersion copolymerization of divinyl benzene (DVB)…”
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