The activation of MgCl2-supported ziegler-natta catalysts—II
The properties have been examined for Ziegler-Natta catalysts comprising TiCl4 (Ti contents 2.0, 3.4 and 4.2%) supported on MgCl2 activated by dry ball-milling up to 250 hr.
G. Baruzzi +5 more
core +1 more source
The influence of magnesium dichloride as support on molecular weights of the polyethylenes produced by Ziegler-Natta catalyst [PDF]
The 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
doaj +1 more source
Innovative catalytic systems driving sustainable olefin polymerization: Recent advances and green chemistry approaches [PDF]
This 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
doaj +1 more source
Ziegler–Natta Catalysts: Regioselectivity and “Hydrogen Response”
Advanced High Throughput Experimentation (HTE) methods were applied to quantify the regioselectivity and the so-called “hydrogen response” in propene polymerization of four Ziegler–Natta catalysts representative of the three latest industrial ...
Nic. Friederichs (2533612) +9 more
core +1 more source
Homogeneous Vanadium-Based Catalysts for the Ziegler-Natta Polymerization of a-Olefins [PDF]
Although their activity is often inferior to that of other systems, the use of vanadium-based catalysts in homogeneous Ziegler Natta polymerizations allows the preparation of high-molecular-weight polymers with narrow molecular-weight distributions ...
Koten, G. van +9 more
core +1 more source
Ziegler–Natta Catalysts: Applications in Modern Polymer Science
Keshav Taruneshwar Jha +2 more
doaj +1 more source
The 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
doaj +1 more source
Control of a Fluidized Bed Polyethylene Reactor [PDF]
In present paper, dynamic behavior and control of a fluidized bed reactor for polyethylene production has been considered. A double active sites model for Ziegler-Natta catalysts is used for simulation of polymerization reaction. Hydrodynamic behavior of
Omid Vahidi +2 more
doaj
Influence of the Ethanol Content of Adduct on the Comonomer Incorporation of Related Ziegler-Natta Catalysts in Propylene (Co)polymerizations. [PDF]
Mehdizadeh M +10 more
europepmc +1 more source
Heterogeneity of Active Sites in the Polymer Chain Transfer Reactions at Olefin Polymerization over Multisite Supported Ziegler-Natta Catalysts. [PDF]
Matsko M, Zakharov V.
europepmc +1 more source

