Journal of Organometallic Chemistry, volume 977, pages 122457
Novel titanium (IV) diolate complexes with thiophene-containing OSO-type ligand as pre-catalyst for ethylene polymerization and ethylene - propylene copolymerization
Tuskaev Vladislav A
1, 2
,
Kurmaev Dmitrii A
,
Magomedov Kasim F
,
Evseeva Maria D
,
Saracheno Daniele
,
Shatokhin Stanislav S
,
Publication type: Journal Article
Publication date: 2022-10-01
Journal:
Journal of Organometallic Chemistry
Quartile SCImago
Q3
Quartile WOS
Q2
Impact factor: 2.3
ISSN: 0022328X
Materials Chemistry
Organic Chemistry
Biochemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
• Ti(IV) diolate complexes were first used to catalyze ethylene polymerization. • Activity in the presence of Et 2 AlCl/Bu 2 Mg up to 2 tonn kgPE/mol Ti h⋅atm. • Activity largely depends on the Ti/Al molar ratio. • UHMWPE samples were processed into high-strength and high-modulus oriented films. New titanium (IV) complexes with diolate ligand containing additional donor sulfur atom have been synthesized and characterized. Structure of complex 2 was established by X-ray diffraction. Titanium atom adopts a distorted tetrahedral geometry formed by oxygen atoms of two ligands and isopropoxy-groups. Activation of these complexes with {Et n AlCl 3-n + Bu 2 Mg} led to a highly active catalytic system for ethylene polymerization with an activity up to 2 tons PE·mol Ti -1 ·atm -1 ·h -1 . Linear ultrahigh molecular weight polyethylenes (1.9-5.7 10 6 Da) were obtained under these conditions. The obtained polyethylenes are suitable for the modern methods of polymer processing - the solventless solid state formation of super high-strength (breaking strength up to 2.6 GPa) and high-modulus (elastic modulus up to 164 GPa) oriented films and film tapes. The precatalysts 1-3 were also active in ethylene-propylene copolymerization producing copolymers with a content of propylene units in the range 28-33%. The influence of the nature of the «leaving» monodentate σ-ligands (Cl, OiPr and N(CH 3 ) 2 ) and the organoaluminum co-catalyst (Et 2 AlCl and Et 3 Al 2 Cl 3 ) on the activity of catalytic systems and the properties of the resulting polymers were studied. .
Citations by journals
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1
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Russian Chemical Bulletin
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Russian Chemical Bulletin
1 publication, 33.33%
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Chinese Journal of Polymer Science (English Edition)
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Chinese Journal of Polymer Science (English Edition)
1 publication, 33.33%
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Organometallics
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Organometallics
1 publication, 33.33%
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1
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Citations by publishers
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1
2
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Springer Nature
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Springer Nature
2 publications, 66.67%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 33.33%
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1
2
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Tuskaev V. A. et al. Novel titanium (IV) diolate complexes with thiophene-containing OSO-type ligand as pre-catalyst for ethylene polymerization and ethylene - propylene copolymerization // Journal of Organometallic Chemistry. 2022. Vol. 977. p. 122457.
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Tuskaev V. A., Gagieva S. C., Churakov A. V., Kurmaev D. A., Magomedov K. F., Evseeva M. D., Golubev E. K., Buzin M. I., Nikiforova G. G., Saracheno D., Shatokhin S. S., Bulychev B. M. Novel titanium (IV) diolate complexes with thiophene-containing OSO-type ligand as pre-catalyst for ethylene polymerization and ethylene - propylene copolymerization // Journal of Organometallic Chemistry. 2022. Vol. 977. p. 122457.
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TY - JOUR
DO - 10.1016/j.jorganchem.2022.122457
UR - https://doi.org/10.1016%2Fj.jorganchem.2022.122457
TI - Novel titanium (IV) diolate complexes with thiophene-containing OSO-type ligand as pre-catalyst for ethylene polymerization and ethylene - propylene copolymerization
T2 - Journal of Organometallic Chemistry
AU - Tuskaev, Vladislav A
AU - Gagieva, Svetlana Ch
AU - Churakov, Andrei V.
AU - Kurmaev, Dmitrii A
AU - Magomedov, Kasim F
AU - Evseeva, Maria D
AU - Golubev, Evgenii K
AU - Buzin, M. I.
AU - Nikiforova, Galina G
AU - Saracheno, Daniele
AU - Shatokhin, Stanislav S
AU - Bulychev, B. M.
PY - 2022
DA - 2022/10/01 00:00:00
PB - Elsevier
SP - 122457
VL - 977
SN - 0022-328X
ER -
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@article{2022_Tuskaev,
author = {Vladislav A Tuskaev and Svetlana Ch Gagieva and Andrei V. Churakov and Dmitrii A Kurmaev and Kasim F Magomedov and Maria D Evseeva and Evgenii K Golubev and M. I. Buzin and Galina G Nikiforova and Daniele Saracheno and Stanislav S Shatokhin and B. M. Bulychev},
title = {Novel titanium (IV) diolate complexes with thiophene-containing OSO-type ligand as pre-catalyst for ethylene polymerization and ethylene - propylene copolymerization},
journal = {Journal of Organometallic Chemistry},
year = {2022},
volume = {977},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016%2Fj.jorganchem.2022.122457},
pages = {122457},
doi = {10.1016/j.jorganchem.2022.122457}
}