Zobrazeno 1 - 10
of 47
pro vyhledávání: '"V.V. Kireyev"'
Autor:
O.V. Lychkovskaya, N.M. Tsvetayeva, V.V. Kireyev, B. I. D'yachenko, A. V. Brind, V.P. Rybalko, S.V. Vedyakin
Publikováno v:
Polymer Science U.S.S.R.. 33:910-916
The thermal conversions of three-dimensional polymethylsilsesquioxane in the temperature interval 197–465°C have been investigated by isothermal TGA and IR spectroscopy. In this temperature interval there is condensation of the residual SiOH group
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2900cb267bfcd7f6418e55b916a9797
https://doi.org/10.1016/0032-3950(91)90157-l
https://doi.org/10.1016/0032-3950(91)90157-l
Publikováno v:
Polymer Science U.S.S.R.. 33:695-701
A study was made of structural transitions occuring in concentrated solutions of the polyblock polycarbonate-polydimethylsiloxane block copolymers with various degrees of compositional heterogeneity. An increase in the degree of heterogeneity is acco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f245b5214f938d1c1ee565f300b09bc9
https://doi.org/10.1016/0032-3950(91)90125-a
https://doi.org/10.1016/0032-3950(91)90125-a
Publikováno v:
Polymer Science U.S.S.R.. 27:385-392
The processes taking place in the course of hydrolytic polycondensation of tetraethoxysilane (TES) at the molar ratio n = [H2O]0:[TES]0 = 0·2–1·5, were studied by means of the changes of the content of linear and cyclic ethoxysiloxanes. It was fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a5f80ea7957171ddf7ab3dc556f475a
https://doi.org/10.1016/0032-3950(85)90019-x
https://doi.org/10.1016/0032-3950(85)90019-x
Publikováno v:
Polymer Science U.S.S.R.. 30:470-475
The hydrolytic polycondensation of organotrichlorosilanes at the liquid-gas interface in a water-dioxane medium has been investigated. The influence of the ratio of the reactants and the phase state of the system on the character of the products form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc03082fa51cb575f893f77fb1b7bc7f
https://doi.org/10.1016/0032-3950(88)90078-0
https://doi.org/10.1016/0032-3950(88)90078-0
Publikováno v:
Polymer Science U.S.S.R.. 23:1465-1471
Polybutylaminophosphaze (PBP) has been synthesized by interaction of polydichlorophosphazene and n-butylamine, and characterized. Degradative reactions take place in solutions of PBP in formic and propionic acids. Some features of the curing of PBP w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c37e141aba09a5a13a44062150c4379c
https://doi.org/10.1016/0032-3950(81)90115-5
https://doi.org/10.1016/0032-3950(81)90115-5
Publikováno v:
Polymer Science U.S.S.R.. 27:1166-1173
It has been shown by analysing the laws governing hydrolytic polycondensation of methylphenyldichlorosilane, and also on the basis of measured composition of reaction products, that when the released hydrogen chloride is neutralized the siloxane chai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c6a5c3b9367cc5b8dc4e9fca40cdb00
https://doi.org/10.1016/0032-3950(85)90397-1
https://doi.org/10.1016/0032-3950(85)90397-1
Publikováno v:
Polymer Science U.S.S.R.. 24:1443-1455
A study has been made of dielectric relaxation in six linear polydialkoxyphosphazene polymers with side methylene chains of differeing length. Transitions associated with localized and segmental forms of molecular motion were found in all the homolog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::100c8e9b7a9c046844cab78c88162662
https://doi.org/10.1016/0032-3950(82)90421-x
https://doi.org/10.1016/0032-3950(82)90421-x
Publikováno v:
Polymer Science U.S.S.R.. 28:2298-2306
The pulse NMR method in a wide temperature range has been employed to investigate the processes of molecular mobility in the polydialkoxyphosphazane series with a variable length of the side alkyl chain. The NMR characteristics have been determined a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b99b396ba4c06a7445ed48fed24ebb2
https://doi.org/10.1016/0032-3950(86)90046-8
https://doi.org/10.1016/0032-3950(86)90046-8
Publikováno v:
Polymer Science U.S.S.R.. 16:234-239
Polyphosphazenes containing arylene radicals in the main chain of macromolecules were obtained by ammonolysis of p -phenylene and p -xylylene-bis-tetrachlorophosphoranes with ammonium chloride under varying conditions. Similar polymers were also form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57a2be4911f34b254f42af3d42c610eb
https://doi.org/10.1016/0032-3950(74)90136-1
https://doi.org/10.1016/0032-3950(74)90136-1
Publikováno v:
Polymer Science U.S.S.R.. 21:117-126
Hexachlorocyclotriphosphazotriene and phenoxychlorocyclotriphosphazenes were polycondensed with hydroquinone, resorcinol or diphenylolpropane in pyridine as the medium; production methods of soluble polyoxy-arylenehydroxyphosphazenes of various struc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1df6a39253e55b157bd20729a96cb2c2
https://doi.org/10.1016/0032-3950(79)90324-1
https://doi.org/10.1016/0032-3950(79)90324-1