Search Results - "Nikolaeva, Marina I"

Hydrogen effect on the molecular weight distribution of polymers obtained by polymerization of ethylene and α‐olefins over supported titanium‐magnesium catalysts by Matsko, Mikhail A., Nikolaeva, Marina I., Zakharov, Vladimir A.

“…Comparative data on the molecular weight distribution of polymers obtained by polymerization of ethylene, propylene and 1‐hexene, and copolymerization of…”
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Formation of Isolated Titanium(III) Ions as Active Sites of Supported Titanium-Magnesium Catalysts for Polymerization of Olefins by Mikenas, Tatiana B., Koshevoy, Evgeny I., Zakharov, Vladimir A., Nikolaeva, Marina I.

“…Electron spin resonance (ESR) studies reveal a high yield of isolated Ti3+ compounds (30–70% of the total titanium content) that form in superactive supported…”
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Ethylene polymerization over supported titanium-magnesium catalysts: Effect of polymerization parameters on the molecular weight distribution of polyethylene by Nikolaeva, Marina I., Mikenas, Tatiana B., Matsko, Mikhail A., Echevskaya, Ludmila G., Zakharov, Vladimir A.

“…The data on the effects of polymerization duration, cocatalyst, and monomer concentrations upon ethylene polymerization in the absence of hydrogen, and the…”
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Dynamic mechanical analysis of ethylene/1‐hexene copolymers: The effect of the catalyst type on the short‐chain branching distribution and properties of the amorphous and crystalline phases by Shundrina, Inna K., Matsko, Mikhail A., Baskakova, Kseniya I., Echevskaya, Ludmila G., Nikolaeva, Marina I., Shundrin, Leonid A., Zakharov, Vladimir A.

“…ABSTRACT Dynamic mechanical analysis was used to study ethylene/1‐hexene copolymers with different compositions, molecular weight distributions, and profiles…”
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Study of the compositional heterogeneity of ethylene/1-hexene copolymers produced over supported catalysts of different composition by Matsko, Mikhail A., Echevskaya, Ludmila G., Vanina, Marina P., Nikolaeva, Marina I., Mikenas, Tatyana B., Zakharov, Vladimir A.

“…Separation into narrow MWD fractions (liquid–liquid fractionation) and preparative TREF (temperature rising elution fractionation) with subsequent analysis of…”
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Heterogeneity of active sites of Ziegler-Natta catalysts: The effect of catalyst composition on the MWD of polyethylene by Nikolaeva, Marina I, Mikenas, Tatiana B, Matsko, Mikhail A, Echevskaya, Ludmila G, Zakharov, Vladimir A

“…Experimental data on the molecular weight distribution (MWD) of polyethylene (PE) produced over a broad number of Ziegler-Natta catalysts differing in…”
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Copolymerization of ethylene with α-olefins over supported titanium-magnesium catalysts. II. Comonomer as a chain transfer agent by Nikolaeva, Marina I., Matsko, Mikhail A., Mikenas, Tatiana B., Echevskaya, Ludmila G., Zakharov, Vladimir A.

“…The data on the effect of comonomer (propylene and 1‐hexene) on molecular weight (Mw), molecular weight distribution (MWD), and content of terminal double…”
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Copolymerization of ethylene with [alpha]-olefins over supported titanium-magnesium catalysts. I. Effect of polymerization duration on comonomer content and the molecular weight distribution of copolymers by Nikolaeva, Marina I, Matsko, Mikhail A, Mikenas, Tatiana B, Echevskaya, Ludmila G, Zakharov, Vladimir A

“…The data on the effect of polymerization duration on molecular weight (MW), molecular weight distribution (MWD), and content of [alpha]-olefin were obtained…”
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Copolymerization of ethylene with α-olefins over supported titanium-magnesium catalysts. I. Effect of polymerization duration on comonomer content and the molecular weight distribution of copolymers by Nikolaeva, Marina I., Matsko, Mikhail A., Mikenas, Tatiana B., Echevskaya, Ludmila G., Zakharov, Vladimir A.

“…The data on the effect of polymerization duration on molecular weight (MW), molecular weight distribution (MWD), and content of α‐olefin were obtained for…”
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Study of Multi-Site Nature of Supported Ziegler-Natta Catalysts in Ethylene-Hexene-1 Copolymerization by Matsko, Mikhail A, Echevskaya, Ludmila G, Zakharov, Vladimir A, Nikolaeva, Marina I, Mikenas, Tatyana B, Vanina, Marina P

“…Heterogeneity of active centers (AC) of titanium-magnesium catalysts (TMC) and vanadium-magnesium catalyst (VMC) in ethylene-hexene-1 copolymerization has been…”
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Copolymerization of ethylene with α-olefins over highly active supported Ziegler-Natta catalyst with vanadium active component by Zenghui Zhao, Tatiana Mikenas, Vladimir Aleksandrovich Zakharov, Marina Nikolaeva, Mikhail Matsko, Elena Bessudnova, Wei Wu

“…The new highly active supported vanadium-magnesium catalyst (VMC) has been studied in α-olefin (1-butene, 1-hexene)/ ethylene copolymerization in the presence…”
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Copolymerization of ethylene with [alpha]-olefins over supported titanium-magnesium catalysts. II. Comonomer as a chain transfer agent by Nikolaeva, Marina I, Matsko, Mikhail A, Mikenas, Tatiana B, Echevskaya, Ludmila G, Zakharov, Vladimir A

“…The data on the effect of comonomer (propylene and 1-hexene) on molecular weight (Mw), molecular weight distribution (MWD), and content of terminal double…”
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Photochemistry of a 6′-cyanosubstituted spironaphthooxazine: photo-induced decay of an open form by Nikolaeva, Marina I., Korolev, Valeri V., Pritchina, Elena A., Glebov, Evgeni M., Plyusnin, Victor F., Metelitsa, Anatoly V., Voloshin, Nikolai A., Minkin, Vladimir I.

“…Photochemistry of three 6′‐cyanosubstituted spironaphthooxazines (SNO) in ethanol matrices at 77 K was studied by means of ultraviolet (UV) and erythrocyte…”
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Copolymerization of Ethylene with α-Olefins Over Supported Titanium-Magnesium Catalysts. II. Comonomer as a Chain Transfer Agent by NIKOLAEVA, Marina I, MATSKO, Mikhail A, MIKENAS, Tatiana B, ECHEVSKAYA, Ludmila G, ZAKHAROV, Vladimir A

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Ethylene Polymerization Over Supported Titanium-Magnesium Catalysts: Effect of Polymerization Parameters on the Molecular Weight Distribution of Polyethylene by NIKOLAEVA, Marina I, MIKENAS, Tatiana B, MATSKO, Mikhail A, ECHEVSKAYA, Ludmila G, ZAKHAROV, Vladimir A

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In situ recognition of molecular chirality by mass spectrometry by Nikolaev, Eugene N., Popov, Igor A., Kharybin, Oleg N., Kononikhin, Alexey S., Nikolaeva, Marina I., Borisov, Yurij V.

“…We explored a possibility of using atmospheric pressure ionization techniques like corona discharge chemical ionization and surface thermoionization for…”
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