排序方式: 共有7条查询结果,搜索用时 6 毫秒
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Anamaria Durdureanu-Angheluta Lucia Pricop Catalina-Anisoara Peptu Narcisa Marangoci Horia Chiriac Bogdan C. Simionescu 《Journal of magnetism and magnetic materials》2010,322(19):2956-2968
New silicon magnetite ferrofluids were prepared by dispersing siloxane-coated magnetite particles in polydimethylsiloxane with low or high molecular weights. Ferrofluids are stable colloidal dispersions of ultra fine covered magnetite particles, which may be selected for a specific application. We demonstrated new methods of stabilizing the magnetic particles by reacting the hydroxyl groups on the surface of magnetite particles with terminal ethoxy groups of polydimethylsiloxane, followed by their dispersion in silicon fluids. The new silicon ferrofluids were tested from the morphology, magnetic properties/losses, and rheological properties point of view. 相似文献
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Monica-Cornelia Sardaru Narcisa Laura Marangoci Sergiu Shova Dana Bejan 《Molecules (Basel, Switzerland)》2021,26(22)
A series of neutral mononuclear lanthanide complexes [Ln(HL)2(NO3)3] (Ln = La, Ce, Nd, Eu, Gd, Dy, Ho) with rigid bidentate ligand, HL (4′-(1H-imidazol-1-yl)biphenyl-4-carboxylic acid) were synthesized under solvothermal conditions. The coordination compounds have been characterized by infrared spectroscopy, thermogravimetry, powder X-ray diffraction and elemental analysis. According to X-ray diffraction, all the complexes are a series of isostructural compounds crystallized in the P2/n monoclinic space group. Additionally, solid-state luminescence measurements of all complexes show that [Eu(HL)2(NO3)3] complex displays the characteristic emission peaks of Eu(III) ion at 593, 597, 615, and 651 nm. 相似文献
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Lucian Gabriel Bahrin Alina Nicolescu Sergiu Shova Narcisa Laura Marangoci Lucian Mihail Birsa Laura Gabriela Sarbu 《Molecules (Basel, Switzerland)》2021,26(19)
Mesitylene was used as a core in seven new tritopic nitrogen containing linkers. Three of the linkers, each containing three nitrile groups, were obtained through Suzuki, Sonogashira and Heck-type coupling reactions. Next, these were converted to tetrazol-5-yl moieties by the cycloaddition of sodium azide to the nitrile functionalities. The last linker, containing three 1,2,3-triazol-4-yl moieties, was synthesized by the Huisgen cycloaddition of phenyl azide to the corresponding alkyne. The latter was obtained via a Corey–Fuchs reaction sequence from the previously reported formyl derivative. As the proof of concept for their potential in MOF design, one of the nitriles was used to build an Ag-based network. 相似文献
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T. E. Sukhanova S. V. Bronnikov A. I. Grigor’ev G. N. Gubanova M. P. Perminova N. Marangoci M. Pinteala V. Harabagiu B. Simionescu 《Russian Journal of Applied Chemistry》2007,80(7):1111-1115
Supramolecular inclusion complexes, polyrotaxanes, of β-cyclodextrin with modified polydimethylsiloxane were prepared. The structure and thermal properties of these complexes were studied as influenced by the preparation conditions, component ratio, and molecular weight of the polymer. 相似文献
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T. E. Sukhanova M. P. Perminova S. V. Bronnikov A. I. Grigor’ev A. Ya. Volkov G. N. Gubanova A. A. Kutin N. Marangoci M. Pinteala V. Harabagiu B. Simionescu 《Russian Journal of Applied Chemistry》2008,81(12):2145-2150
Supramolecular inclusion complexes, polyrotaxanes, derived from γ-cyclodextrin and polydimethylsiloxane modified with terminal epoxy groups were studied. The dependence of the structure, morphology, and thermal properties of polyrotaxanes on the molecular weight of the linear polymer, molar ratio of γ-cyclodextrin and polymer, and presence of free γ-cyclodextrin in the complexes was examined. 相似文献
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Bahrin Lucian G. Clima Lilia Shova Sergiu Rosca Irina Cojocaru Corneliu Bejan Dana Sardaru Monica C. Marangoci Narcisa Lozan Vasile Rotaru Alexandru 《Research on Chemical Intermediates》2019,45(2):453-469
Research on Chemical Intermediates - Tetrazole- and nitrile-containing bimesitylene derivatives with potential use in coordination chemistry were synthesized and characterized, and their structural... 相似文献
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