Search Results - "Nikitin, Lev N"

Swelling and impregnation of polystyrene using supercritical carbon dioxide by Nikitin, Lev N, Gallyamov, Marat O, Vinokur, Rostislav A, Nikolaec, Alexander Yu, Said-Galiyev, Ernest E, Khokhlov, Alexei R, Jespersen, Henrik T, Schaumburg, Kjeld

“…Swelling of polystyrene (PS) in supercritical carbon dioxide was studied in situ. Experiments were carried out in a high-pressure cell furnished with an…”
Get full text

Poly(methyl methacrylate) and Poly(butyl methacrylate) Swelling in Supercritical Carbon Dioxide by Nikitin, Lev N, Said-Galiyev, Ernest E, Vinokur, Rostislav A, Khokhlov, Alexei R, Gallyamov, Marat O, Schaumburg, Kjeld

“…Swelling of poly(methyl methacrylate) and poly(butyl methacrylate) samples in supercritical carbon dioxide and propagation of diffusion fronts in the samples…”
Get full text

Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide by Dudnik, Anna O, Trofimchuk, Elena S, Efimov, Aleksandr V, Nikonorova, Nina I, Rukhlya, Ekaterina G, Nikitin, Lev N, Yaminsky, Igor V, Volynskii, Aleksandr L

“…The process of open-porous structure development in high-density polyethylene (HDPE) films during uniaxial deformation in supercritical carbon dioxide (SC-CO2)…”
Get full text

Collagen tissue treated with chitosan solution in H2O/CO2 mixtures: Influence of clathrates hydrates on the structure and mechanical properties by Chaschin, Ivan S., Bakuleva, Natalia P., Grigoriev, Timofei E., Krasheninnikov, Sergey V., Nikitin, Lev N.

“…A mixture of water/carbon dioxide is a “green” perspective solvent from the viewpoint of biomedical applications. Clathrate hydrates are formed this solvent…”
Get full text

Study of the process of poly(phenylquinoxaline)s formation in supercritical carbon dioxide by Belomoina, Nataliya M., Bulycheva, Еlena G., Nikitin, Lev N., Vasil’ev, Viktor G., Elmanovich, Igor V., Bruma, Maria

“…Poly(phenylquinoxaline)s synthesis. (1)–high-pressure vessel; (2)–thermostat; (3)–monomers; (4)–high-pressure valves; (5)–high-pressure tubing system;…”
Get full text

Collagen tissue treated with chitosan solution in H 2 O/CO 2 mixtures: Influence of clathrates hydrates on the structure and mechanical properties by Chaschin, Ivan S, Bakuleva, Natalia P, Grigoriev, Timofei E, Krasheninnikov, Sergey V, Nikitin, Lev N

“…A mixture of water/carbon dioxide is a "green" perspective solvent from the viewpoint of biomedical applications. Clathrate hydrates are formed this solvent…”
Get full text

Swelling of Polyheteroarylenes in Supercritical Carbon Dioxide by Ronova, Inga A., Nikitin, Lev N., Sokolova, Ekaterina A., Bacosca, Irina, Sava, Ion, Bruma, Maria

“…Two series of polyheteroarylenes have been investigated with regard to their physical properties before and after swelling with supercritical carbon dioxide…”
Get full text

Self-assembly of (perfluoroalkyl)alkanes on a substrate surface from solutions in supercritical carbon dioxide by Gallyamov, Marat O, Mourran, Ahmed, Tartsch, Bernd, Vinokur, Rostislav A, Nikitin, Lev N, Khokhlov, Alexei R, Schaumburg, Kjeld, Möller, Martin

“…Toroidal self-assembled structures of perfluorododecylnonadecane and perfluorotetradecyloctadecane have been deposited on mica and highly oriented pyrolytic…”
Get more information

Bulk graft modification of polyolefin membranes by combining pre-irradiation-induced graft and supercritical CO2-swelling polymerization by Wang, Yi-Ming, Pan, Yu, Wang, Yi-Long, Wu, Guang-Peng, Wang, Yan-Juan, Nikitin, Lev N., Lu, Xiao-Bing

Get full text

Study of the Behavior of Some Polyheteroarylenes Treated with Supercritical Carbon Dioxide by Ronova, Inga A., Nikitin, Lev N., Sokolova, Ekaterina A., Sava, Ion, Bruma, Maria

“…Various polyheteroarylenes have been studied with regard to their physical properties before and after treatment with supercritical carbon dioxide (sc-CO 2)…”
Get full text

High-Quality Ultrathin Polymer Films Obtained by Deposition from Supercritical Carbon Dioxide As Imaged by Atomic Force Microscopy by Gallyamov, Marat O, Vinokur, Rostislav A, Nikitin, Lev N, Said-Galiyev, Ernest E, Khokhlov, Alexei R, Yaminsky, Igor V, Schaumburg, Kjeld

“…Promising new technique of polymer deposition from solutions in supercritical carbon dioxide (sc CO2) has been applied to form ultrathin Teflon AF2400…”
Get full text

Study of polyimides containing flexible groups by Bacosca, Irina, Hamciuc, Elena, Bruma, Maria, Ronova, Inga A., Nikitin, Lev. N.

“…A series of flexible polyimides has been investigated with regard to the physical properties before and after swelling with supercritical carbon dioxide. Also…”
Get full text

Synthesis of polyimides in supercritical carbon dioxide by Said-Galiyev, Ernest E, Vygodskii, Yakov S, Nikitin, Lev N, Vinokur, Rostislav A, Gallyamov, Marat O, Pototskaya, Inna V, Kireev, Vyacheslav V, Khokhlov, Alexei R, Schaumburg, Kjeld

“…One-step polycyclization reaction in supercritical carbon dioxide has been carried out for the first time and a thereby set of polyimides has been synthesized…”
Get full text

Generation of ferrocenylvinyl cation CpFeC 5 H 4 –C + =CH 2 by protonation of ferrocenylacetylene with Nafion and its reactions with SMe 2 and PPh 3 in scCO 2 giving onium salts by Kizas, Ol’ga A., Chaschin, Ivan S., Godovikov, Ivan A., Dolgushin, Fedor M., Antonov, Dmitrii Yu, Nikitin, Lev N., Khokhlov, Alexei R.

Get full text

Generation of ferrocenylvinyl cation CpFeC5H4–C+=CH2 by protonation of ferrocenylacetylene with Nafion and its reactions with SMe2 and PPh3 in scCO2 giving onium salts by Kizas, Ol’ga A., Chaschin, Ivan S., Godovikov, Ivan A., Dolgushin, Fedor M., Antonov, Dmitrii Yu, Nikitin, Lev N., Khokhlov, Alexei R.

“…[Display omitted] Cation CpFeC5H4–C+=CH2 was obtained by protonation of FcCCH with Nafion superacid in DMF or scCO2 and characterized by NMR spectroscopy. The…”
Get full text

Supercritical carbon dioxide in organometallic synthesis: Combination of sc-CO2 with Nafion film as a novel reagent in the synthesis of ethers from hydroxymethylmetallocenes by Sokolov, Viatcheslav I., Nikitin, Lev N., Bulygina, Ludmila A., Khrustalev, Victor N., Starikova, Zoya A., Khokhlov, Alexei R.

Get full text

Hydration of terminal alkynes on Nafion film in supercritical carbon dioxide by Kizas, Ol’ga A., Antonov, Dmitrii Yu, Vopilov, Yuri E., Godovikov, Ivan A., Peregudov, Alexander S., Kagramanov, Nikolay D., Bulatnikova, Ludmila N., Nikitin, Lev N., Khokhlov, Alexei R.

“…[Display omitted] ► Nafion film hydrates terminal alkynes RCCH (RFc, Ph, C5H11) in sc-CO2 under mild conditions to give the respective ketones in excellent…”
Get full text

Supercritical carbon dioxide in organometallic synthesis: Combination of sc-CO 2 with Nafion film as a novel reagent in the synthesis of ethers from hydroxymethylmetallocenes by Sokolov, Viatcheslav I., Nikitin, Lev N., Bulygina, Ludmila A., Khrustalev, Victor N., Starikova, Zoya A., Khokhlov, Alexei R.

“…Metallocenyl carbinols FcCH 2OH (1a) and RcCH 2OH (1b) dissolved in sc-CO 2 in the presence of acidic Nafion film under 20 MPa after removal of pressure and…”
Get full text

Bulk graft modification of polyolefin membranes by combining pre-irradiation-induced graft and supercritical CO 2-swelling polymerization by Wang, Yi-Ming, Pan, Yu, Wang, Yi-Long, Wu, Guang-Peng, Wang, Yan-Juan, Nikitin, Lev N., Lu, Xiao-Bing

“…Uniform bulk graft modification of vinyl monomers to polypropylene or polyethylene membranes was achieved by combining gamma (γ)-ray pre-irradiation-induced…”
Get full text

Swelling of Polyheteroarylenes in Supercritical Carbon Dioxide by RONOVA, Inga A, NIKITIN, Lev N, SOKOLOVA, Ekaterina A, BACOSCA, Irina, SAVA, Ion, BRUMA, Maria

Get full text