Search Results - "Donescu, D"

Novel colloidal system: Magnetite-polymer particles/lyotropic liquid crystal under magnetic field by Mănăilă-Maximean, D., Cîrtoaje, C., Dănilă, O., Donescu, D.

“…•A novel composite magnetite-polymer particle/lyotropic liquid crystal was obtained.•The experimental magnetic Fréedericksz transition using a laser beam was…”
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Cellulose fiber-reinforced polylactic acid by Frone, A.N., Berlioz, S., Chailan, J.-F., Panaitescu, D.M., Donescu, D.

“…Polymer composites from polylactic acid (PLA) and two types of cellulose fibers obtained either by acid hydrolysis of microcrystalline cellulose (HMCC) or by…”
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Synthesis and properties of new epoxy-organolayered silicate nanocomposites by Ianchis, R., Rosca, I.D., Ghiurea, M., Spataru, C.I., Nicolae, C.A., Gabor, R., Raditoiu, V., Preda, S., Fierascu, R.C., Donescu, D.

“…In this research, both commercially available (Cloisite 93A) and advanced functionalized clay mineral were used to obtain clay–epoxy nanocomposites. Cloisite…”
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Advanced functionalization of organoclay nanoparticles by silylation and their polystyrene nanocomposites obtained by miniemulsion polymerization by Ianchis, R., Corobea, M. C., Donescu, D., Rosca, I. D., Cinteza, L. O., Nistor, L. C., Vasile, E., Marin, A., Preda, S.

“…Four types of alkoxysilanes with different organosilyl groups were used for the silylation of a commercial alkylammonium-modified montmorillonite (Cloisite…”
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New organophilic kaolin clays based on single-point grafted 3-aminopropyl dimethylethoxysilane by Zaharia, A, Perrin, F-X, Teodorescu, M, Radu, A-L, Iordache, T-V, Florea, A-M, Donescu, D, Sarbu, A

“…In this study, the organophilization procedure of kaolin rocks with a monofunctional ethoxysilane- 3 aminopropyl dimethyl ethoxysilane (APMS) is depicted for…”
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Implications of silylated montmorillonite on montmorillonite–polyacrylate nanocomposites by Ianchis, R., Cinteza, L.O., Donescu, D., Petcu, C., Corobea, M.C., Somoghi, R., Ghiurea, M., Spataru, C.

“…New nanocomposites based on polyacrylates and five types of montmorillonites modified by edge covalent bonding, were obtained. The alkoxysilanic substituent…”
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Surfactant-free emulsion polymerization of styrene in the presence of silylated montmorillonite by Ianchis, R., Donescu, D., Petcu, C., Ghiurea, M., Anghel, D.F., Stanga, G., Marcu, A.

“…We report surfactant-free emulsion polymerization of styrene by using five types of montmorillonite modified by grafting monofunctional alkoxysilanes. Dynamic…”
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Morphology study of layered silicate/chitosan nanohybrids by Potarniche, C. G., Vuluga, Z., Donescu, D., Christiansen, J. de C., Eugeniu, V., Radovici, C., Serban, S., Ghiurea, M., Somoghi, R., Beckmann, S.

“…Modification of clay with biopolymers has been of high interest in recent years. These new materials may be used for drug delivery systems and as biomaterials…”
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Encapsulation of three different hydrophobic dyes in functionalized silica particles by Nistor, C. L., Donescu, D., Ianchis, R., Spataru, C., Raditoiu, V., Petcu, C., Ghiurea, M., Deleanu, C.

“…This paper describes a method to prepare silica particles able to encapsulate 3 different hydrophobic dyes: Disperse Red, Solvent Red and…”
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Poly(vinyl acetate)–clay hybrids prepared via emulsion polymerization, assisted by a nonionic surfactant by Corobea, M.C., Uricanu, V., Donescu, D., Radovici, C., Serban, S., Garea, S., Iovu, H.

“…Hybrid materials containing poly(vinyl acetate) and montmorillonite (MMT) were prepared using an one-batch emulsion polymerization recipe, assisted by a…”
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Organic–inorganic hybrids made from polymerizable precursors by Uricanu, V, Donescu, D, Banu, A.G, Serban, S, Olteanu, M, Dudau, M

“…Organic–inorganic hybrid films were prepared based on a recipe using organoalkoxysilanes’ ability to create an inorganic network combined with polymer network…”
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Nano/micro silver powders for electronic materials by Gavriliv, S, Lungu, M, Grigore, F, Donescu, D, Ghiurea, M

“…The paper presents a new type of structural materials, namely silver nanoparticles deposited on the silver microcrystalline particles, designed to obtain some…”
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Synthesis and Electro-Optical Studies on Composite Material: Functionalized Copolymer Particles/Nematic Liquid Crystal by Manaila-Maximean, D., Rosu, C., Donescu, D., Frunza, S.

“…We have synthesized new functionalized copolymers of the type divinyl benzene - maleic anhydride (DVB-MA) in order to ensure a better compatibility with the…”
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Hybrid polymer composites reinforced by layered silicate and laser synthesized nanocarbons by Dinca, I., Stefan, A., Serghie, C., Moga, A., Dumitrache, L., Vuluga, Z., Donescu, D., Dragomirescu, A., Prodan, G., Ciupina, V., Gavrila-Florescu, L., Popovici, E., Sandu, I.

“…The work presents some preliminary results obtained in the attempt to perform hybrid polymer-based nanocomposites with laser synthesized carbon nanostructures…”
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Copolymerization of DVB with MA in non aqueous dispersion by Somoghi, R, Donescu, D, Ghiurea, M, Radovici, C, Serban, S, Petcu, C, Nistor, C L

“…Copolymerization of divinyl benzene (DVB) with maleic anhydride (MA) was studied to obtain functional particles. UV spectra of monomer mixtures DVB+MA put in…”
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Study of a polymer-clay nanocomposite material interaction with a VERO cell line for cytotoxic evaluation by Miculescu, M, Motiu, G, Radut, M, Donescu, D, Corobea, M C

“…A new polymer-clay nanocomposite material based on poly(vinyl acetate), poly(vinyl pyrrolidone) and a layered silicate (sodium montmorillonite) as nanofiller,…”
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Polyvinyl alcohol-Na montmorillonite nanocomposites films obtained by solution intercalation by Corobea, M C, Donescu, D, Petcu, C, Radovici, C, Serban, S, Constantinescu, E, Miculescu, M

“…Polyvinyl alcohol (PVA) is a well known film forming polymer used in several bioapplications. His advantages related to the physico-chemical properties are…”
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Organophilic Layered Silicate Modified Vinylester-Urethane Hybrid Resins : Structure and Properties by COROBEA, M.-C, DONESCU, D, GRISHCHUK, S, CASTELLA, N, APOSTOLOV, A. A, KARGER-KOCSIS, J

“…A commercial vinylester-urethane (VEUH) hybrid resin was modified with organophilic layered silicates (OLS), incorporated in various amounts (0.1 to 5 wt.%)…”
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POLYVINYLACETATE-SiO2 GELS OBTAINED IN HOMOGENEOUS MEDIA by Donescu, D., Zaharescu, M., Gosa, K., Moscu, S.

“…Polyvinylacetate-SiO 2 gels have been obtained by radical polymerization of vinyl acetate (VAc) in the presence of tetraethoxysilane (TEOS). The reaction…”
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The properties of aqueous solutions of some short chain cosurfactants used for radical polymerization of vinyl acetate by DONESCU, D, FUSULAN, L, VASILESCU, M, PETCU, C

“…The refractive index and excess molar volume, of the following short hydrocarbon chain cosurfactants were studied: ethylene glycol, ethylene glycol monomethyl…”
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