Zobrazeno 1 - 10
of 64
pro vyhledávání: '"O. K. Sharaev"'
Publikováno v:
Polymer Science Series B. 48:274-276
The polymerization of butadiene catalyzed by the preformed Co(2-ethylhexanoate)2-Et3Al2Cl3-isoprene (a molar ratio of 1: 20: 20) catalytic system in toluene, cyclohexane, and hexane has been studied. In toluene, the catalyst demonstrates high activit
Publikováno v:
Polymer Science Series B. 48:237-239
The kinetics of butadiene polymerization in hexane initiated by a catalyst prepared through the interaction of cobalt 2-ethylhexanoate with ethylaluminum sesquichloride and isoprene in the absence of water at Co: Al: isoprene = 1: 20: 20 (mol/mol) ha
Publikováno v:
Russian Chemical Bulletin. 44:9-17
The results of investigations performed in the Laboratory of Organometallic Catalysis of the A. V. Topchiev Institute of Petrochemical Synthesis of the RAS are reviewed. The oligodienyl compounds of a series of transition metals, R n olM and R n olMX
Publikováno v:
Petroleum Chemistry. 46:274-275
Butadiene polymerization in aliphatic and aromatic solvents mediated by a preliminarily formed catalyst consisting of cobalt 2-ethylhexanoate, methylaluminoxane, and diene was studied. It was shown that the catalyst was active at a molar ratio of met
Autor:
I. Sh. Guzman, E. I. Tinyakova, N.N. Chigir, E.L. Vollerstein, B. A. Dolgoplosk, V. A. Yakovlev, Galina N. Bondarenko, O. K. Sharaev
Publikováno v:
Journal of Organometallic Chemistry. 201:249-255
It has been established that in the interaction of NdCl 3 and YCl 3 with RLi, where R CH 2 C 6 H 5 , CH 2 C(CH 3 ) 2 C 6 H 5 , CH 2 Si(CH 3 ) 3 , unusual organometallic compounds are formed. They are stable in hydrocarbon solutions. The benzyl an
Autor:
Galina N. Bondarenko, E. I. Tinyakova, O. K. Sharaev, S.I. Beilin, N. N. Stefanovskaya, B. A. Dolgoplosk, V. A. Yakovlev, O. P. Parenago, V. M. Frolov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 26:2315-2328
Autor:
O. K. Sharaev, N. N. Glebova, Alexandr I. Golberg, I. N. Markevich, I. Ya. Ostrovskaya, G. S. Borisova
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 38:789-792
1. The relative reactivities of the double bonds in some unsaturated compounds towards dimethylcyanomethyl radicals have been determined. 2. Norbornenes with electron-acceptor substituents (bicyclo[2.2.1]-hept-5-ene-2,3-dicarboxylic acid and its anhy
Publikováno v:
European Polymer Journal. 11:829-832
Stereospecificity of tetrabenzyltitanium and its halogeno-derivatives in the polymerization of butadiene has been investigated. The content of 1,2-units decreases while the content of 1,4- cis -units increases in the resulting polybutadiene for the s
Autor:
A. V. Alferov, G. N. Chernenko, O. K. Sharaev, V. A. Yakovlev, E. I. Tinyakova, B. A. Dolgoplosk, I. A. Oreshkin, T. G. Golenko
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 16:2625-2634
π-Allyl systems based on bis-π-crotyl nickel in combination with halides of other metals were shown to be catalysts for the stereospecific polymerization of dienes. Correlation was made between the nature of the halogen in the active center (π-all
Autor:
E. I. Tinyakova, T. K. Vydrina, M. P. Teterina, A. G. Azizov, O. K. Sharaev, É. N. Zavadovskaya
Publikováno v:
Journal of Applied Spectroscopy. 13:1479-1482