10 Result(s)

Article

Highly Filled Composite Materials Based on UHMWPE and a Mixture of Micron and Nanoscale Aluminum Particles

Highly filled (up to 90 vol %) UHMWPE composites with Al of controlled dispersed composition (micro-, nanoparticles, and their mixtures) were obtained by the polymerization filling method. The use of a mixture...

O. I. Kudinova, P. A. Nezhnyi, V. G. Grinev… in Russian Journal of Physical Chemistry B (2022)

Article

Oxidation of Aluminum in Mixtures with Polyethylene after Plastic Deformation at High Pressures

Powder mixtures of low-density polyethylene and aluminum with the 20–80% weight ratio of the species are subjected to plastic deformation at pressures of 1 and 4 GPa in high-pressure devices of the Bridgman an...

V. A. Zhorin, M. R. Kiselev, A. V. Grachev… in Combustion, Explosion, and Shock Waves (2018)

Article

Synthesis of isotactic polybutene-1 over titanium-magnesium catalysts with polydentate phosphine oxides as external electron donors

The polymerization of 1-butene over the TiCl₄/MgCl₂ (TMC) catalyst with the use of substituted phosphine oxides R _n P(O)(CH₂OR′)_{3 − n} (R = alkyl, R′ = methyl or ...

O. I. Kudinova, V. G. Krasheninnikov, A. A. Samoilenko… in Kinetics and Catalysis (2013)

Article

Polydentate phosphine oxides as external electron donors for titanium-magnesium catalysts for propylene polymerization

The possibility of using R _n P(O)(CH₂OR′)_3—n (R = alkyl, R′ = methyl or acyl, n = 0–2) polydentate phosphine oxides as external electron donors for the t...

O. I. Kudinova, T. E. Kron, T. A. Ladygina, A. N. Kozhevnikov… in Kinetics and Catalysis (2010)

Article

Olefin polymerization on immobilized zirconocene catalysts containing alkylaluminoxanes synthesized on the support surface

Ethylene and propylene polymerization on immobilized catalysts of composition MMT-H₂O/AlR₃/Zr-cene (MMT = montmorillonite) and on the corresponding homogeneous catalysts of composition Zr-cene-MAO (Zr-cene = rac-...

T. M. Ushakova, M. V. Lysova, O. I. Kudinova, T. A. Ladygina… in Kinetics and Catalysis (2007)

Article

Heterogenized methylaluminoxane and isobutylaluminoxane as activators for metallocene catalysts

Heterogenized alkylaluminoxanes prepared in situ on the montmorillonite (MMT) surface by the partial hydrolysis of AIR₃ with water of the support are effective activators for metallocenes. The thermal destruction...

L. A. Novokshonova, T. M. Ushakova, V. G. Krasheninnikov… in Kinetics and Catalysis (2006)

Article

Partially Hydrolyzed Alkylaluminums as the Active Heterogenized Components of Metallocene Catalysts

The heterogenized reaction products of the partial hydrolysis of the organoaluminum compounds AlMe₃ and Al(i-Bu)₃ with water as a constituent of highly hydrated supports, zeolite (ZSM-5-H₂O) and montmorillonite (...

L. A. Novokshonova, N. Yu. Kovaleva, T. M. Ushakova… in Kinetics and Catalysis (2005)

Article

Ethylene polymerization with catalysts on the base of Zr-cenes and methylaluminoxanes synthesized on zeolite support

I. N. Meshkova, T. M. Ushakova, T. A. Ladygina, N. Yu. Kovaleva… in Polymer Bulletin (2000)

Article

Influence of the catalyst matrix structure of the supported Ziegler-Natta catalysts on the homo- and copolymerization of olefins

The vanadium catalytic complexes immobilized on the same support (aluminium hydroxide, AH) and distinguished by structure and composition have been compared for ethylene and propylene homo- and copolymerizatio...

I. N. Meshkova, T. M. Ushakova, N. M. Gul’tseva, M. N. Larichev… in Polymer Bulletin (1997)