Gas phase polymerization of ethylene with a silica-supported metallocene catalyst: influence of temperature on deactivation [PDF]
, 1997 Ethylene was polymerized at 5 bar in a stirred powder bed reactor with silica supported rac-Me2Si[Ind]2ZrCl2/methylaluminoxane (MAO) at temperatures between 40°C and 80°C using NaCl as support bed and triethylaluminium (TEA) as a scavenger for impurities.
Meier, G.B. +5 more
core +2 more sources
Ziegler–Natta Catalysts: Applications in Modern Polymer Science
SynOpen, 2023 Keshav Taruneshwar Jha +2 more
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Heterogeneity of Active Sites in the Polymer Chain Transfer Reactions at Olefin Polymerization over Multisite Supported Ziegler-Natta Catalysts. [PDF]
Polymers (Basel), 2023 Matsko M, Zakharov V.
europepmc +1 more source
Nanocrystalline TiO2 and halloysite clay mineral composite films prepared by sol-gel method:Synergistic effect and the case of silver modification to the photocatalytic degradation of basic blue- 41 azo dye in water [PDF]
, 2014 Tubular halloysite clay mineral and nanocrystalline TiO2 were incorporated in the preparation of nanocomposite films on glass substrates via sol-gel method at 450 °C.
Kaplani, E. +4 more
core
Paramagnetic species in Ziegler Natta catalysts
, 2023 Abstract: This doctoral thesis investigates the nature and behavior of paramagnetic Ti(III) species in industrial Ziegler-Natta catalysts (ZNCs) used for the polymerization of polyethylene and polypropylene and is the result of a collaborative effort between the EPR laboratories of the University of Torino, the University of Antwerp and the Giulio ...
openaire +2 more sources
The influence of magnesium dichloride as support on molecular weights of the polyethylenes produced by Ziegler-Natta catalyst [PDF]
Polyolefins JournalThe paper presents data on the effect exerted by magnesium dichloride in Ziegler-Natta catalysts on the activity and molecular weight of polyethylene (PE) produced by ethylene polymerization in the absence or presence of hydrogen.
Tatiana Mikenas +3 more
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Spacer groups in macromolecular structures [PDF]
, 2010 Razmakne skupine bitna su odrednica strukture i svojstava funkcijskih polimera. Mnoga fi zička, kemijska i biološka svojstva znatno ovise o njihovoj veličini.
Ante JUKIĆ +2 more
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Innovative catalytic systems driving sustainable olefin polymerization: Recent advances and green chemistry approaches [PDF]
Polyolefins JournalThis mini-review addresses the burgeoning requirements for environmentally friendly processes in the polymer industry, focusing on recent progress in developing catalytic systems for sustainable olefin polymerization.
Farabi Hossain, Md Enamul Hoque
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ReactionsThe coordination chemistry of benzimidazole ligands combines σ donation and π backbonding. Owing to this electronic flexibility, benzimidazole ligands stabilize both electron deficient and electron-rich transition states in the catalytic cycle of Ziegler-
Nelson N. dos Santos +4 more
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Revista Técnica de la Facultad de Ingeniería, 2009 En un reactor autoclave, operado por cargas, se polimerizó propileno líquido usando dos sistemas catalíticos Zigler-Natta: MgCl2/TiCl4/ftalato (A) y MgCl2/TiCl4/1,3-diéter (B).
Francisco Osorio +3 more
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