Zobrazeno 1 - 10
of 23
pro vyhledávání: '"O.G. Fortunatov"'
Autor:
A. A. Veretennikova, O.G. Fortunatov, N. P. Tsakulin, L.L. Razumova, A.V. Trezvova, M.P. Letunovskii
Publikováno v:
Polymer Science U.S.S.R.. 33:961-966
The effect of the proportion of rigid blocks in segmented polyetherurethane ureas on their mechanical properties is studied. It is established that there are two critical points on the plots of the properties of the polymers against temperature, in w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ee043db64aa02926bcc4718c6c3ccd7
https://doi.org/10.1016/0032-3950(91)90164-l
https://doi.org/10.1016/0032-3950(91)90164-l
Autor:
G.Ye. Zaikov, A. L. Iordanskii, A.V. Trezvova, O.G. Fortunatov, Ye.V. Zolotova, L.P. Razumovskii
Publikováno v:
Polymer Science U.S.S.R.. 33:902-909
The authors have investigated the influence of the rigid block fraction, the conditions of synthesis and the modes of formation of films of segmented Gemotan-T polyether urethane on the structural and sorption-diffusion properties. From the results o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50d7cc358f9471f9705cb2eb12206667
https://doi.org/10.1016/0032-3950(91)90156-k
https://doi.org/10.1016/0032-3950(91)90156-k
Autor:
V.V. Kireyev, N.V. Trostenyuk, V.G. Sartaniya, V. V. Korshak, T.S. Klenova, O.G. Fortunatov, L.V. Dubrovina
Publikováno v:
Polymer Science U.S.S.R.. 18:265-271
By treating polydichlorophosphazene with sodium butylate under different conditions polydibutoxyphosphazenes (PBP) were synthesized which are characterized by a broad MWD and coefficients of K and a in the Mark-Kuhn-Houwinck equation of 1·2×10 −5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11ad4796670acb6b60896a9fc1012c9e
https://doi.org/10.1016/0032-3950(76)90084-8
https://doi.org/10.1016/0032-3950(76)90084-8
Publikováno v:
Polymer Science U.S.S.R.. 17:3069-3078
The effect of the nature of the tertiary amine and of the organic solvent on the preparation of polycarbonates by low temperature polycondensation, has been investigated. It is shown that η red is dependent on the p K a of the bisphenol reactant and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ab8aaf67c1b3b940dd37931ce84834c
https://doi.org/10.1016/0032-3950(75)90336-6
https://doi.org/10.1016/0032-3950(75)90336-6
Publikováno v:
Polymer Science U.S.S.R.. 17:3047-3055
An investigation has been made of the effect of triethylamine on the preparation of polycarbonates from bisphenols of different reactivity and the bischloroformate of propane, in an organic solvent. It was found that when triethylamine reacts with th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::247461995d753a98166cd103bf548d0c
https://doi.org/10.1016/0032-3950(75)90333-0
https://doi.org/10.1016/0032-3950(75)90333-0
Autor:
A. L. Iordanskii, A.V. Trezvova, L. V. Vladimirov, O.G. Fortunatov, A. Ya. Polishchuk, G.Ye. Zaikov, Ye.V. Il'yakov
Publikováno v:
Polymer Science U.S.S.R.. 27:1489-1494
The adsorption of human serum albumin on the surface of polyetherurethane has been studied as a function of the content of the soft segment in the polymer by ATR Fourier IR-spectroscopy. It is shown that the conformational set of adsorbed protein mac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e5c55076daff46328aaf751a0573984
https://doi.org/10.1016/0032-3950(85)90298-9
https://doi.org/10.1016/0032-3950(85)90298-9
Publikováno v:
Polymer Science U.S.S.R.. 10:1741-1748
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b78a3625ce873bad72cd644b0cf4cf0
https://doi.org/10.1016/0032-3950(68)90366-3
https://doi.org/10.1016/0032-3950(68)90366-3
Autor:
O.V. Smirnova, A.Ye. Pavlova, M.V. Slavgorodskaya, N.Sh. Aldarova, V. V. Korshak, O.G. Fortunatov, A.P. Kreshkov
Publikováno v:
Polymer Science U.S.S.R.. 14:1684-1694
2. H. W. COOVER, U.S. Pat. 2828292, 1958; Chem. Abs., 15128, 1958 3. S. V. VINOGRADOVA, S. N. SALAZKIN, V'. V. KORSHAK, G. Sh. CHEIJDZE and S. A. MATVEYEVA, Zh. prikl, khim. 45: No. 7, 1972 4. V. V. RODE and I. V. ZHURAVLEVA, Zavod. lab. 30: 1518, 19
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee804747001271c9897182eb8d837011
https://doi.org/10.1016/0032-3950(72)90264-x
https://doi.org/10.1016/0032-3950(72)90264-x
Publikováno v:
Polymer Science U.S.S.R.. 11:1204-1220
POLYCARBONATES are obtainable by interracial polycondensation through the interaction of phosgene with sodium salts of diphenols in the presence of small amounts of tertiary amines used as catalysts. The phosgene is introduced into the organic phase,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36910c5a7f7bde65420f8127ed424032
https://doi.org/10.1016/0032-3950(69)90389-x
https://doi.org/10.1016/0032-3950(69)90389-x
Publikováno v:
Polymer Science U.S.S.R.. 14:1480-1486
Polycarbonates (PC) are prepared mainly by phosgenization in pyridine medium, or on the interface of two immiscible solvents. One of the disadvantages of the latter method is that a large amount of low-molecular impurities (e.g. NaCl) are present; th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d8c7f6d89b69fd0a143513f71198367
https://doi.org/10.1016/0032-3950(72)90126-8
https://doi.org/10.1016/0032-3950(72)90126-8