Związki kompleksowe chromu(III), wanadu(IV) i kobaltu(II) jako nowe prekatalizatory polimeryzacji olefin

• Autorzy: Drzeżdżon Joanna

Warianty tytułu

EN

Chromium(III), vanadium(IV) and cobalt(II) complex compounds as new olefin polymerization precatalysts

• Języki publikacji: PL

Abstrakty

EN

The olefin polymerization catalysts constitute a large group of various compounds. Metallocene complexes are the largest part of this group. However, due to the instability at industrial plastics temperatures and the decomposition of complexes after MAO (or MMAO) activation, they have been partly replaced by non-metallocene compounds. This article concerns the studies on new non- metallocene precatalysts for the olefin polymerization and oligomerization. The report focuses on the structure and the catalytic activities of the complexes of chromium(III), vanadium(IV) and cobalt(II) with the following ligands: dipicolinate, 2-pyridinecarboxylate, oxalate, oxydiacetate, iminodiacetate, 2,2’- bipyridine, 4,4’-dimethoxy-2,2’-bipyridine, 1,10-phenantroline. These complex compounds are highly active precatalysts for olefin polymerization and oligomerization. The complexes: [Cr(dipic)₂][Cr(bipy)(dipic)H₂0] 2H₂0 and [Cr(dipic) ₂]Hdmbipy 2.5H₂0 deserve special attention because they are new type of the precatalysts i.e. organic salt type complexes composed both of organic cations and anions. These compounds are not only interesting because of their structure but also because of their high catalytic activity.

Słowa kluczowe

PL

chrom; wanad; kobalt; związki kompleksowe; prekatalizatory; polimeryzacja

EN

chromium; vanadium; cobalt; complex compounds; precatalysts; polymerization

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Wiadomości Chemiczne
• Rocznik: 2020
• Tom: [Z] 74, 5-6
• Strony: 423--437
• Opis fizyczny: Bibliogr. 19 poz., schem., tab.

Twórcy

autor

Drzeżdżon Joanna

• Uniwersytet Gdański, Wydział Chemii, ul. Wita Stwosza 63, 80-308 Gdańsk

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).