Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Iv. I. Ponomarev"'
Autor:
A. S. Senchukova, Iv. I. Ponomarev, D. Yu. Razorenov, A. A. Lezov, N. V. Tsvetkov, I. I. Ponomarev, Yu. Yu. Rybkin, Yu. A. Volkova, K. M. Skupov
Publikováno v:
Russian Chemical Bulletin. 69:2320-2327
New possibilities for the synthesis of high-molecular weight poly(2,5(6)-benzimidazole) (ABPBI) based on a new monomer, 3,4-diaminobenzoic acid monophosphate, in polyphosphoric acid medium at high monomer concentration under stirring and on a Teflon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc424c63718d8e4e08f63edd43464402
https://doi.org/10.1007/s11172-020-3036-8
https://doi.org/10.1007/s11172-020-3036-8
Autor:
Iv. I. Ponomarev, K. M. Skupov, Yu. M. Volfkovich, Valentin E. Sosenkin, I. I. Ponomarev, Alexander D. Modestov, D. Yu. Razorenov, Yu. A. Volkova
Publikováno v:
Polymer Science, Series C. 62:231-237
Materials based on pyrolyzed electrospun nanofiber polyacrylonitrile were studied by the method of standard contact porosimetry. An influence of oxidation and pyrolysis temperatures on specific surface area. It was shown that an increase of oxidation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da5ba7456c6eb39b41e7b654c937219b
https://doi.org/10.1134/s1811238220020149
https://doi.org/10.1134/s1811238220020149
Autor:
Yu. A. Volkova, K. M. Skupov, I. I. Ponomarev, Iv. I. Ponomarev, D. Yu. Razorenov, M. M. Ilyin, V. A. Muravyova, E. M. Chaika
Publikováno v:
Polymer Science, Series C. 62:214-221
A number of copolymers based on 5(6),5′(6′)-bis(benzimidazole) oxide, 1,7-dihydrodiimidazo[4.5-b:4'.5'-e]pyridine, and 4,4'-difluorobenzophenone are first synthesized. The features of synthesis, molecular weight, and thermal characteristics of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a02ec7fcbf2ca0631d8b898139f3dc41
https://doi.org/10.1134/s1811238220020101
https://doi.org/10.1134/s1811238220020101
Autor:
A. V. Muranov, K. M. Skupov, Iv. I. Ponomarev, I. I. Ponomarev, Yu. A. Volkova, Inesa V. Blagodatskikh, D. Yu. Razorenov
Publikováno v:
Polymer Science, Series C. 62:259-265
A new method for activating the synthesis of high molecular weight polymer PIM-1 obtained in dimethyl sulfoxide is proposed and studied. A simple and technologically effective process of precipitation polyheterocyclization occurs at 60–80°C for 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1a9c4c7ecd901ea7b0109ca1756f300
https://doi.org/10.1134/s1811238220020113
https://doi.org/10.1134/s1811238220020113
Autor:
Yu. M. Volfkovich, A. G. Buyanovskaya, D. Yu. Razorenov, Iv. I. Ponomarev, Yu. A. Volkova, K. M. Skupov, Valentin E. Sosenkin, V. N. Talanova, I. I. Ponomarev
Publikováno v:
Russian Chemical Bulletin. 69:1106-1113
According to standard contact porosimetry data, treatment of electrospun pyropolymer mats based on pyrolyzed polyacrylonitrile and polybenzimidazole (PBI) nanofibers with a mixture of sulfuric and nitric acids causes a drastic increase in the specifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baccf2ed6d585b7d25b362d6b388491a
https://doi.org/10.1007/s11172-020-2875-7
https://doi.org/10.1007/s11172-020-2875-7
Autor:
I. I. Ponomarev, D. Yu. Razorenov, Iv. I. Ponomarev, Yu. A. Volkova, K. M. Skupov, A. A. Lysova, A. B. Yaroslavtsev
Publikováno v:
Доклады Академии наук. 486:441-445
Polydiimidazopyridine was synthesized from 2,3,5,6-tetraaminopyridine and 2,5-dihydroxyterephtalatic acid in polyphosphoric acid and characterized. Polydiimidazopyridine possesses high viscosity, high thermal oxidation resistance and excellent film-f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c0c64ba8789512b652f31e25593a73b
https://doi.org/10.31857/s0869-56524864441-445
https://doi.org/10.31857/s0869-56524864441-445
Autor:
Valentin E. Sosenkin, Sergey S. Bukalov, K. M. Skupov, D. Yu. Razorenov, I. I. Ponomarev, O. M. Zhigalina, Yu. M. Volfkovich, Victoria G. Basu, Yu. A. Volkova, Iv. I. Ponomarev
Publikováno v:
Russian Journal of Electrochemistry. 55:552-557
Polymer of intrinsic microporosity PIM-1 was used for electrospun polymer nanofiber producing. After pyrolysis, the obtained nanofibers, in a form of entire mat, were used as a support for cathode electrocatalyst for high-temperature polymer electrol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90e91b169428e7d41b9ba7cb39d0485d
https://doi.org/10.1134/s1023193519060156
https://doi.org/10.1134/s1023193519060156
Autor:
Anna A. Lysova, Yu. A. Volkova, K. M. Skupov, I. I. Ponomarev, Andrei B. Yaroslavtsev, Iv. I. Ponomarev, D. Yu. Razorenov
Publikováno v:
Doklady Chemistry. 486:156-159
Polydiimidazopyridine was synthesized from 2,3,5,6-tetraaminopyridine and 2,5-dihydroxyterephthalic acid in polyphosphoric acid (PPA) and characterized. Polydiimidazopyridine possessed high viscosity, high thermooxidative stability, and excellent fil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69950a1e1766b3c373aca5f74a7b6d24
https://doi.org/10.1134/s0012500819060028
https://doi.org/10.1134/s0012500819060028
Autor:
I. I. Ponomarev, D. Yu. Razorenov, Iv. I. Ponomarev, Yu. A. Volkova, K. M. Skupov, A. A. Lysova, A. B. Yaroslavtsev
Publikováno v:
Доклады Академии наук. 485:44-47
Two new polyheteroarylenes (polydiimidazopyridines) based on 2,3,5,6-tetraaminopyridine and aromatic dicarboxylic acids were synthesized and characterized. The polymers show high viscosity properties and exceptional thermooxidative stability. Polydii
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9152c22eda2727a49161e720ea429c3
https://doi.org/10.31857/s0869-5652485144-47
https://doi.org/10.31857/s0869-5652485144-47
Autor:
Andrei B. Yaroslavtsev, D. Yu. Razorenov, Yu. A. Volkova, Anna A. Lysova, I. I. Ponomarev, Iv. I. Ponomarev, K. M. Skupov
Publikováno v:
Doklady Chemistry. 485:83-86
Two new polyheteroarylenes (polydiimidazopyridines) based on 2,3,5,6-tetraaminopyridine and aromatic dicarboxylic acids were synthesized and characterized. The polymers show high viscosity properties and exceptional thermooxidative stability. Polydii
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6af08e90cbbbbebee9a33e119ca73177
https://doi.org/10.1134/s0012500819030017
https://doi.org/10.1134/s0012500819030017