Zobrazeno 1 - 10
of 24
pro vyhledávání: '"V.A. Kozhina"'
Autor:
E. A. Dzhavadyan, V. I. Irzhak, Boris A. Rozenberg, V.A. Kozhina, A. Ya. Malkin, T. I. Ponomareva, Yu. P. Chernov
Publikováno v:
Mechanics of Composite Materials. 26:557-561
Analyse cinetique de la formation d'une serie epoxyde reticulee dans une reaction entre le 3,3'-dichloro-4,4'-diaminodiphenyl-methane diglycidyl ester (EZD) et l'isomethyltetrahydrophtalique anhydride (1 MTHPA) en presence de differents materiaux ren
Autor:
S. S. Produvalova, O. E. Rybina, V.A. Kozhina, A. Ya. Malkin, S.G. Kulichikhin, G. K. Shambilova, T. P. Lazutina
Publikováno v:
Mechanics of Composite Materials. 26:275-278
We investigated specimens of urea-formaldehyde resin with a urea:formaldehyde ratio of 1:1.5. The content of dry residue was 57.9%, and the content of methylol radicals 19%. Setting was carried out in the presence of various catalysts - oxalic, succi
Autor:
M.V. Cherkasov, S.G. Kulichikhin, O.V. Kachevskii, V.V. Vasil'ev, V.A. Kozhina, O.A. Agapov, S.V. Mikhalin, Yu.I. Kotov, G.S. Matvelashvili, A. Ya. Malkin, I.M. Shelonina
Publikováno v:
Polymer Science U.S.S.R.. 30:704-711
The results of rheokinetic and IR spectroscopic study of the process of synthesis of an oligoimide based on 4,4′-diphenylmethane diisocyanate and the dianhydride of 3,3′,4,4′-benzophenone tetracarboxylic acid are compared. Rise in the degree of
Autor:
S.G. Kulichikhin, I.Ya. Slonim, V.A. Kozhina, V. P. Beghishev, A. Ya. Malkin, Ya.G. Urman, V.N. Klyuchnikov, A.Kh. Bulai, L.M. Bolotina, M.M. Gol'der
Publikováno v:
Polymer. 28:1349-1357
Time-dependent changes in monomers, dimers, end reactive groups and central links occurring in the synthesis of polysulphone derived from dichlorodiphenylsulphone and the sodium salt of diphenylolpropane in dilute solution in dimethylsulphoxide were
Autor:
S.G. Kulichikhin, Yu. P. Chernov, P. A. Astakhov, L. I. Golubenkova, V.A. Kozhina, A. Ya. Malkin
Publikováno v:
Mechanics of Composite Materials. 21:607-611
Autor:
V.A. Kozhina, L. I. Golubenkova, A. Ya. Malkin, S.G. Kulichikhin, P. A. Astakhov, Yu. P. Chernov
Publikováno v:
Polymer Science U.S.S.R.. 28:2350-2359
The process of curing of an epoxyorganosilicon oligomer by metal-organic curing agents of various functionality—tetrabutoxytitanium, and polybutoxytitanium phosphoroxane—was studied by several rheological methods. Phenomenological models of the c
Publikováno v:
Polymer Science U.S.S.R.. 28:554-562
Using a complex of rheological methods, the authors have investigated the process of curing of a polyphenlmethsiloxane oligomer. The possibility of solving the back kinetic problem has been shown and a kinetic equation is obtained describing change i
Publikováno v:
Polymer Science U.S.S.R.. 29:469-475
The effect of temperature and solution concentration on the rheokinetics of formation of polysulphone in solutions of various concentrations is studied. For concentrations of polymer > 60 wt.% the reaction is retarded as a result of diffusional limit
Publikováno v:
Polymer Science U.S.S.R.. 25:2270-2275
Various methods were used to study kinetics of initial stages of curing polyurethanes by using a bifunctional curing agent. It was shown that under reaction conditions practically excluding biuret formation already in the initial stages three-dimensi
Autor:
Yu.S. Zaitsev, Ye.P. Yarovaya, I. G. Gerasimov, L. G. Nechitailo, S.G. Kulichikhin, V.A. Kozhina
Publikováno v:
Polymer Science U.S.S.R.. 31:2784-2791
The basic rheokinetic patterns of curing of low molecular mass epoxy diane oligomers by 3,3′-dichloro-4,4′-diamino-diphenylmethane at the gelation stage over the temperature range 120–150°C have been studied. The formation of a macrogel is pre