Zobrazeno 1 - 10
of 47
pro vyhledávání: '"T.A. Larina"'
Autor:
E. Rödel, T. Ressler, V. Yu. Gavrilov, Olga B. Lapina, Annette Trunschke, Dzhalil F. Khabibulin, Robert Schlögl, T.A. Larina, Galina A. Zenkovets, Galina N. Kryukova, S. V. Tsybulya, V.A. Anufrienko
Publikováno v:
Materials Chemistry and Physics
The structural genesis of a Mo0.68V0.23W0.09 oxide with Mo5O14-like structure has been examined. A precursor prepared by spray-drying of mixed aqueous metal salt solutions was calcined in air and subsequently treated in helium at different temperatur
Publikováno v:
Polymer Science U.S.S.R.. 33:1868-1873
For the Friedel-Crafts reaction between poly-1,1,2-trichlorobutadiene and polystyrene it has been shown that completely soluble interpolymers are formed by reaction, in good solvents, with an initial concentration of the polymer mixture corresponding
Publikováno v:
Polymer Science U.S.S.R.. 32:347-354
The effect of trifunctional additives in the initial products of polydimethyldiethysiloxane synthesis on the molecular and hydrodynamic parameters of the copolymeric system was studied. The light-scattering method, using a wide range of scattering an
Autor:
A.S. Golub, S.-S.A. Pavlova, Ye.Ye. Stepanova, I.I. Tverdokhlebova, M.A. Sipyagina, T.A. Larina
Publikováno v:
Polymer Science U.S.S.R.. 23:1562-1569
A study was made of joint interaction of cis-1,3,5-trimethyl-1,3,5, triphenyl-cyclotrisiloxane and tetrakis-(3,5,7-trimethyl-3,5,7-triphenyltrisiloxane-7-hydroxy) titanium or silane in the presence of potassium trimethylsilanolate in bulk at 105° an
Autor:
K.A. Andrianov, I.I. Tverdokhlebova, S.-S.A. Pavlova, P.A. Kurginyan, T.A. Larina, V.M. Kopylov, Zh.S. Syrtsova, Ye.G. Khoroshilova
Publikováno v:
Polymer Science U.S.S.R.. 19:2644-2649
Publikováno v:
Polymer Science U.S.S.R.. 18:1284-1288
A study has been made of the kinetic parameters and MWD during the anionic polymerization of 1,1,3,3-tetramethyl-5,5,7,7-tetraphenylcyclotetrasiloxane. It is shown that the polymerization process is accompanied by intramolecular chain transfer reacti
Autor:
N.A. Tebeneva, Ye.G. Khoroshilova, G.V. Kotrelev, I.I. Tverdokhlebova, T.A. Larina, K. A. Andrianov, N.V. Pertsova, S.-S.A. Pavlova, P.A. Kurginyan
Publikováno v:
Polymer Science U.S.S.R.. 19:2638-2644
A study has been made of polyorganosiolazosiloxanes (POSS) prepared by block copolymerization of N,N′-bis-(hydroxydemithylsilyl)tetramethyllcyclodisilazane with octamethylcyclotetrasiloxane at 60°, using ammonium as the initiator, and varying the
Autor:
P.A. Kurginyan, N.N. Makarova, S.-S.A. Pavlova, I.I. Tverdokhlebova, Omari V. Mukbaniani, I.A. Ronova, T.A. Larina
Publikováno v:
Polymer Science U.S.S.R.. 23:1109-1116
The conformations and hydrodynamics of polydimethylsiloxanes with cyclic main-chain segments have been studied. The presence of more than 5 siloxane groups between the cyclic segments has been found not to alter the flexibility of the polymer chain.
Autor:
B. G. Zavin, A. A. Zhdanov, S.O Pupynina, V.A Tsyryapkin, S.-S.A. Pavlova, T.A. Larina, I.I. Tverdokhlebova, A. Yu. Rabkina, Tatyana V. Strelkova
Publikováno v:
Polymer Science U.S.S.R.. 30:1553-1559
The products of the hydrolytic cocondensation of a tetrafunctional oligodimethyl siloxane and phenyltrichlorosilane are studied. Depending on the synthesis conditions, the block polymers obtained have multimodal, bimodal, or monomodal distributions.