Zobrazeno 1 - 10
of 42
pro vyhledávání: '"A. V. Smetannikov"'
Autor:
N. Makhiyanov, O. V. Smetannikov
Publikováno v:
Russian Journal of Applied Chemistry. 92:682-688
Polyisoprenes synthesized on titanium–magnesium catalysts were studied by 1H and 13C NMR spectroscopy (Larmor’s frequency for protons 700 MHz). The problems concerning the accuracy of determining the microstructure of polyisoprenes with high cont
Autor:
D. R. Khairutdinova, O. S. Antonova, Yu. V. Smetannikov, S. M. Barinov, G. P. Kochanov, L. I. Shvorneva, Valeri V. Smirnov
Publikováno v:
Inorganic Materials. 52:1297-1300
We have studied the effect of gamma irradiation on the phase composition and crystallite size of ZrO2 samples containing 0, 2, and 3 mol % Y2O3 as a stabilizer and heat-treated at 800°C. The results demonstrate that gamma irradiation leads to amorph
Publikováno v:
Petroleum Chemistry. 56:480-490
This review addresses the history of the development, structure, properties, and application prospects for a new class of ultrafine catalysts of coordination polymerization, viz., titanium–magnesium nanocatalysts.
Publikováno v:
Russian Journal of Applied Chemistry. 88:1808-1815
Synthesis of titanium–magnesium nanocatalyst in a high-pressure reactor under the conditions modeling the industrial conditions was studied. A laboratory scale plant including the units for the product synthesis, washing, and filtration was develop
Publikováno v:
Russian Electrical Engineering. 86:485-489
Direct current backup power supply systems for a frequency-controlled circulating pump electric drive based on a storage battery or electromechanical generator are considered. The circuit, the main properties of a bidirectional galvanically isolated
Autor:
D. I. Mendeleev, E. M. Antipov, O. V. Smetannikov, A. V. Ivanyuk, E. M. Khar’kova, M. S. Chinova
Publikováno v:
Polymer Science Series B. 56:664-674
The possibility of applying a titanium-magnesium nanocatalyst during in situ polymerization of ethylene and propylene in the presence of organomodified aluminum silicates and diatomite under mild conditions is investigated. How the substantial (2- to
Autor:
Ilya E. Nifant'ev, Alexey A. Ivanyuk, O. V. Smetannikov, Pavel V. Ivchenko, Andrei V. Churakov
Publikováno v:
Mendeleev Communications. 25:435-437
Two novel ansa-zirconocenes containing SiMe2 bridge in non-conventional 4-position of 5-methoxy-6-tert-butylindenyl fragment have been synthesized, using TMS-protected substituted bromoindanol as a key starting compound. The structure of rac-dichloro
Publikováno v:
Polymer Science Series B. 55:453-459
The polymerization of isoprene on titanium-magnesium nanocatalysts modified with electron-donor compounds based on organic phosphines and sulfides has been studied. It was shown that the catalyst modification makes it possible to increase the content
Autor:
B. F. Shklyaruk, M. S. Chinova, Galina N. Bondarenko, O. V. Smetannikov, E. A. Mushina, V. I. Kleiner
Publikováno v:
Polymer Science Series B. 54:215-222
The suspension polymerization of butadiene in the presence of titanium-magnesium nanocatalysts combined with triisobutylaluminum is studied. The resulting polybutadiene is shown to contain up to 99% trans-1,4-units. The dependences of polymer microst
Autor:
Yu. V. Smetannikov, Natalia Tarasova
Publikováno v:
Doklady Chemistry. 437:53-56
Currently, considerable effort is directed to the search for new environmentally friendly processes needed for successful and sustainable development of industrial chemistry. The organophosphorus chemis� try tends to switch from the use of elementa