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Binuclear and Hexanuclear Ti(IV) Complexes Supported by [OOOO]4–-type Ligand for Preparing Disentangled UHMWPE

Binuclear and hexanuclear titanium complexes stabilized by tetradentate [OOOO] 4– -type ligand were active in ethylene polymerization in the presence of Et 2 AlCl/Bu 2 Mg binary co-catalyst, giving high molecular weight polyethylene. The binuclear complex showed significantly higher catalytic activi...

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Published in:Chinese journal of polymer science 2019, Vol.37 (5), p.471-477
Main Authors: Tuskaev, Vladislav A., Gagieva, Svetlana Ch, Kurmaev, Dmitry A., Vasil’ev, Viktor G., Kolosov, Nikolay A., Zubkevich, Sergey V., Mikhaylik, Elena S., Golubev, Evgenii K., Nikiforova, Galina G., Zhizhko, Pavel A., Serenko, Olga A., Bulychev, Boris M.
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cited_by cdi_FETCH-LOGICAL-c2040-8c3e2699bb8f18b397c9db6d87b9f5297ee60672fd315d8cea6c6427a4fdd173
cites cdi_FETCH-LOGICAL-c2040-8c3e2699bb8f18b397c9db6d87b9f5297ee60672fd315d8cea6c6427a4fdd173
container_end_page 477
container_issue 5
container_start_page 471
container_title Chinese journal of polymer science
container_volume 37
creator Tuskaev, Vladislav A.
Gagieva, Svetlana Ch
Kurmaev, Dmitry A.
Vasil’ev, Viktor G.
Kolosov, Nikolay A.
Zubkevich, Sergey V.
Mikhaylik, Elena S.
Golubev, Evgenii K.
Nikiforova, Galina G.
Zhizhko, Pavel A.
Serenko, Olga A.
Bulychev, Boris M.
description Binuclear and hexanuclear titanium complexes stabilized by tetradentate [OOOO] 4– -type ligand were active in ethylene polymerization in the presence of Et 2 AlCl/Bu 2 Mg binary co-catalyst, giving high molecular weight polyethylene. The binuclear complex showed significantly higher catalytic activity and thermal stability in comparison to mononuclear analogue. Ultra high molecular weight polyethylene (UHMWPE) samples were processed by a solid-state uniaxial deformation into high-strength (up to 2.5 GPa) and highmodulus (over 100 GPa) oriented film tapes, which indirectly indicates a low degree of entanglements between the macromolecular chains.
doi_str_mv 10.1007/s10118-019-2197-0
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subjects Catalysis
Catalytic activity
Chain entanglement
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Deformation
Industrial Chemistry/Chemical Engineering
Ligands
Molecular chains
Molecular weight
Polyethylene
Polymer Sciences
Thermal stability
Titanium
Ultra high molecular weight polyethylene
title Binuclear and Hexanuclear Ti(IV) Complexes Supported by [OOOO]4–-type Ligand for Preparing Disentangled UHMWPE
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