Zobrazeno 1 - 10
of 13
pro vyhledávání: '"T. N. Spirina"'
Autor:
Yu. N. Sazanov, T. A. Kostereva, A. V. Novoselova, O. A. Andreeva, Elena N. Popova, S. M. Krutov, Natalia Saprykina, T. N. Spirina
Publikováno v:
Russian Journal of Applied Chemistry. 86:933-938
Composite precursor based on hydrolytic lignin and polyacrylonitrile was obtained and fibrous composite materials were formed at 80: 20 to 40: 60 ratios between the starting components. A probable mechanism is suggested by which products of cocarboni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::622e30bf5be86f42d00d64f0620df592
https://doi.org/10.1134/s1070427213060256
https://doi.org/10.1134/s1070427213060256
Autor:
Natalia Saprykina, O. A. Andreeva, S. M. Krutov, Vladimir E. Yudin, T. N. Spirina, Yu. N. Sazanov, E. M. Kulikova
Publikováno v:
Russian Journal of Applied Chemistry. 85:794-798
The morphology of hydrolysis lignin was studied. The effect of dimethyl sulfoxide, temperature, and activating additives on the surface characteristics of lignin was examined.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c6b9edd869476ab99841624d1f73dc9
https://doi.org/10.1134/s1070427212050199
https://doi.org/10.1134/s1070427212050199
Autor:
V. Yu. Elokhovskii, I. V. Sumerskii, G. N. Fedorova, A. V. Gribanov, E. M. Kulikova, S. M. Krutov, Elena N. Popova, Vladimir E. Yudin, T. N. Spirina, Yu. N. Sazanov
Publikováno v:
Russian Journal of Applied Chemistry. 84:1238-1245
Interaction of hydrolysis lignin with polyacrylonitrile in water-dimethyl sulfoxide solution in the presence of an activator was studied, and the properties of the products were examined.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::754991443af4421b3f021ed47ad18253
https://doi.org/10.1134/s1070427211070202
https://doi.org/10.1134/s1070427211070202
Autor:
A. V. Novoselova, T. N. Spirina, Yu. N. Sazanov, T. A. Kostereva, N. G. Stepanov, L. A. Shibaev
Publikováno v:
Journal of Thermal Analysis. 38:1203-1213
The polymer-polymer interactions of a polyamic acid (PAA) with polybases (polyvinylpyrrolidone, polyacrylonitrilc and polyvinylpyridine) were studied by means of mass-spectrometric thermal analysis (MTA), TG, DTA and IR-spectroscopic methods in solut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d472dc6375a9df4d16bb49d802f942c
https://doi.org/10.1007/bf01979180
https://doi.org/10.1007/bf01979180
Autor:
I. G. Silinskaya, A. V. Novoselova, V. N. Zgonnik, T. N. Spirina, A. V. Sidorovich, O.V. Kallistov, Yu. N. Sazanov
Publikováno v:
Polymer Science U.S.S.R.. 33:1505-1511
Scattering of polarized light has been employed to investigate the structure of solutions of poly(4,4′-oxydiphenylene)pyromellitamido acid (PAA), linear PAN and modified PAN (PAN-1) and also their blends with a different content of the starting com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30c2b5403343f9a2cf9c3203abb79cf2
https://doi.org/10.1016/0032-3950(91)90033-m
https://doi.org/10.1016/0032-3950(91)90033-m
Autor:
V. N. Zgonnik, A. V. Novoselova, Yu. N. Sazanov, Tatiana Sukhanova, T. N. Spirina, L. A. Shibaev
Publikováno v:
Journal of Thermal Analysis. 36:2329-2338
A modification of polyacrylonitrile (PAN) was carried out. As a result, a polymer compatible (in contrast to common PAN) with polyamic acid (PAA) was obtained. PAA, PAN and their mixtures in solution and in film were investigated by viscometry, masss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cd5e0c847821aa44e2ac8ca1fcff035
https://doi.org/10.1007/bf01913630
https://doi.org/10.1007/bf01913630
Autor:
T. N. Spirina, M. M. Yusupov
Publikováno v:
Biopolymers and Cell. 6:65-69
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fffbb7db219e70234206a5aefd076b0
https://doi.org/10.7124/bc.00027f
https://doi.org/10.7124/bc.00027f
Autor:
N.A. Churochkina, L.I. Chudina, V.D. Vorob'ev, Ya. S. Vygodskii, S.V. Vinogradova, Korshak Vasilij, T. N. Spirina
Publikováno v:
Polymer Science U.S.S.R.. 16:584-589
A study has been made of some correlations in the chemical cyclization of poly- (amino-acids) by treatment of the latter in solution in N,N-dimethylacetamide with a mixture of acetic anhydride and pyridine, taking the reaction between 3,3',4,4'- benz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47f115a120ebb3bc39f1df06410f1279
https://doi.org/10.1016/0032-3950(74)90369-4
https://doi.org/10.1016/0032-3950(74)90369-4
Publikováno v:
Polymer Science U.S.S.R.. 21:1166-1172
The thermal cyclization of poly(acid)amides having various chemical compositions has been investigated in the solid state (film). The mol.wt. and the strength properties of the polyimide films have been found primarily under cyclization conditions an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a04cd4b25f82dcabd248a0eabf18ed04
https://doi.org/10.1016/0032-3950(79)90015-7
https://doi.org/10.1016/0032-3950(79)90015-7
Publikováno v:
Acta Polymerica. 30:3-14
Die Prinzipien zur Regulierung der Loslichkeit von Polyimiden durch Anderung ihrer chemischen Struktur werden betrachtet. Die Eigenschaften loslicher Polyimide werden angegeben, und es wird gezeigt, das die beste Loslichkeit Polyimide mit Cardogruppe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a4a7b631922ac77e02c53e69156afd1
https://doi.org/10.1002/actp.1979.010300102
https://doi.org/10.1002/actp.1979.010300102