Zobrazeno 1 - 8
of 8
pro vyhledávání: '"D. M. Kostycheva"'
Publikováno v:
Russian Journal of Applied Chemistry. 84:685-690
The product of condensation of tetraethoxysilane with diphenylsilanediol was studied by gel permeation chromatography, 29Si NMR, and IR spectroscopy, and its structure was suggested.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ece1b6575277c5ff0e86ffb84ac4c3a9
https://doi.org/10.1134/s1070427211040227
https://doi.org/10.1134/s1070427211040227
Autor:
V. M. Rodin, E. E. Shchadilova, L. V. Osetrova, V. I. Polyanskii, G. A. Emel’yanov, D. M. Kostycheva
Publikováno v:
Russian Journal of Applied Chemistry. 84:437-442
High-resolution 19F and 13C NMR spectra of difluoro(fluorosulfonyl)- and difluoro(fluorosulfonyloxy) acetyl fluorides were studied, and specific features of complex spin-spin coupling of fluorine and carbon nuclei were characterized. The mechanisms o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05073e0b7fe28dd2b2da282982d91827
https://doi.org/10.1134/s1070427211030189
https://doi.org/10.1134/s1070427211030189
Autor:
D. M. Kostycheva, A. P. Voznyakovsky
Publikováno v:
Fullerenes, Nanotubes and Carbon Nanostructures. 19:114-119
This study investigateS the process of polyacrylonitrile (PAN) and lignin interaction during heat treatment. With TG and DTA methods, it is shown that no direct chemical interaction takes place between the polymers, but the indirect interaction of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d861e89bfba2747e2f3290e4d77d8521
https://doi.org/10.1080/1536383x.2010.489372
https://doi.org/10.1080/1536383x.2010.489372
Publikováno v:
Russian Journal of Applied Chemistry. 80:1894-1897
A thermochemical study of short flax fibers and boon and of their cyanoethylated derivatives was made with the aim to examine the possibility of preparing carbonized materials.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1722aed2de9f5e1b0049f2b413d05fc
https://doi.org/10.1134/s1070427207110225
https://doi.org/10.1134/s1070427207110225
Autor:
G. N. Fedorova, A. V. Gribanov, A. V. Novoselova, Yu. N. Sazanov, E. M. Kulikova, D. M. Kostycheva
Publikováno v:
Russian Journal of Applied Chemistry. 80:619-622
The boundary and parameters of the thermochemical reaction of lignin and polyacrylonitrile were determined by dynamic and isothermal thermal analysis. The time, temperature, and concentration effects of formation of composites, allowing preparation o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2e446d5b23a47d9d901610d15b68c5f
https://doi.org/10.1134/s1070427207040209
https://doi.org/10.1134/s1070427207040209
Autor:
D. M. Kostycheva, O. E. Praslova, Yu. N. Sazanov, L. A. Nud'ga, N. V. Bobrova, A. V. Sidorovich, A. V. Novoselova
Publikováno v:
Russian Journal of Applied Chemistry. 79:1329-1332
Composite films were prepared from polyacrylonitrile synthesized by anionic and radical polymerization and combined with chitin or chitisan. The thermomechanical properties of the films were examined. The compatibility of polyacrylonitrile synthesize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd5bd81e505cc7a748326b6b1ba61754
https://doi.org/10.1134/s1070427206080222
https://doi.org/10.1134/s1070427206080222
Autor:
A. V. Gribanov, E. M. Kulikova, A. V. Novoselova, Yu. N. Sazanov, G. N. Fedorova, D. M. Kostycheva, L. A. Nud'ga, Valery Ugolkov
Publikováno v:
Russian Journal of Applied Chemistry. 78:1320-1324
The possibility of thermochemical cocarbonization of polyacrylonitrile with chitin and chitosan by combined heat treatment of their blends was examined. It was concluded that the components form complexes in dimethylformamide and dimethylacetamide at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d48a92e89e5ec30c93ce666874e71e1
https://doi.org/10.1007/s11167-005-0507-5
https://doi.org/10.1007/s11167-005-0507-5
Publikováno v:
Russian Journal of General Chemistry. 81:783-784
For the successful use of these compounds in the modern membrane, catalytic, and other advanced technologies synthetic methods are required, which allow a consecutive utilization of the reactivity of sulfofluoride and fluorocarbonyl functions. In par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::971b3c30c46ce5a1a14ed713e410ff05
https://doi.org/10.1134/s1070363211040323
https://doi.org/10.1134/s1070363211040323