Copolymerization of ethylene with 1-hexene over vanadium catalysts immobilized on sol-gel silica

M. Białek; Ł. Korach; K. Czaja

Published : 2022-08-26

Vol. 52 No. 11-12 (2007)

Copolymerization of ethylene with 1-hexene over vanadium catalysts immobilized on sol-gel silica

M. Białek Ł. Korach K. Czaja

Abstract

Silica-type materials with different structure and morphology, synthesized using sol-gel process, were applied as a carriers of organometallic catalytic systems (VOCl3/AlEt2Cl) for ethylene-1-hexene copolymerization. Carrier materials, prior to immobilization of the vanadium compound, were pre-treated using two modes: one-step thermal modification and two-steps modification including additional reaction with AlEt2Cl. It was found that the carrier's type and way of it's modification significantly influence the catalysts activity in ethylene-1-hexene copolymerization as well as the incorporation of higher 1-olefin. The favourable effect of two-step modification mode on the catalysts activity and 1-hexene incorporation efficiency was proposed.

Keywords

nośnik krzemionkowy ; metoda zol-żel ; kopolimeryzacja etylenu ; katalizator metaloorganiczny silica support ; sol-gel technique ; ethylene copolymerization ; organometallic catalyst

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Białek, M., Korach, Ł., & Czaja, K. (2022). Copolymerization of ethylene with 1-hexene over vanadium catalysts immobilized on sol-gel silica. Polimery, 52(11-12), 889–892. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1486

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M. Białek bialek@uni.opole.pl

Affiliation
University of Opole, Institute of Chemistry, ul. Oleska 48, 45-052, Opole, Poland

Ł. Korach

K. Czaja