Development of new selective ethylene trimerization catalysts based on highly active ethylene polymerization catalysts
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Today"
DOI: 10.1016/j.cattod.2017.09.017
Abstract: Abstract A family of phenoxy-imine-ether ligated Ti complexes for selective ethylene trimerization have been developed from highly active bis(phenoxy-imine) early transition metal ethylene polymerization catalysts. The Ti complexes, after activation with methylaluminoxane (MAO), selectively trimerized… read more here.
Keywords: ethylene; ethylene trimerization; selective ethylene; ethylene polymerization ... See more keywords
Silver nanoparticles encapsulated in silica: Synthesis, characterization and application as antibacterial fillers in the ethylene polymerization
Sign Up to like & getrecommendations! Published in 2019 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2019.04.055
Abstract: Abstract Silver nanoparticles (AgNPs) were synthesized via three routes where silver was reduced by either citric acid (R1), glucose (R2) or glycerol (R3), and were stabilized with (3-aminopropyl) triethoxysilane (APTES). All nanoparticles were encapsulated in… read more here.
Keywords: nanoparticles encapsulated; silver nanoparticles; encapsulated silica; ethylene polymerization ... See more keywords
Recent advancements in α-diimine-nickel and -palladium catalysts for ethylene polymerization
Sign Up to like & getrecommendations! Published in 2021 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2021.110783
Abstract: Abstract The fascination of the well-defined metal catalysts for olefin polymerization is their capability to control the properties of the polymer such as topology (linear to highly branched), range of molecular weights and molecular weight… read more here.
Keywords: palladium catalysts; polymerization; ethylene polymerization; nickel palladium ... See more keywords
Tracking the reasons for the peculiarity of Cr/Al2O3 catalyst in ethylene polymerization
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2017.11.007
Abstract: Abstract Looking to the past, heading to the future . In this contribution we explain the reasons why the Cr/Al 2 O 3 Phillips catalysts exhibit a faster kinetics profile in ethylene polymerization reaction with… read more here.
Keywords: polymerization; al2o3 catalyst; ethylene polymerization; peculiarity al2o3 ... See more keywords
Kinetics and mechanism of ethylene polymerization with TiCl 4 /MgCl 2 model catalysts: Effects of titanium content
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2018.01.008
Abstract: Abstract Two MgCl2-supported Ziegler–Natta catalysts were prepared by loading TiCl4 onto activated δ-MgCl2 supports, which contained 0.1 wt% (Cat-1) and 1.0 wt% (Cat-2) of titanium (Ti), respectively. Cat-1 has a slightly larger specific surface area (88.1 m2/g) and… read more here.
Keywords: cat system; ethylene polymerization; molecular weight; titanium ... See more keywords
Dichlorovanadium(IV) diamine-bis(phenolate) complexes for ethylene (co)polymerization and 1-olefin isospecific polymerization
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2018.03.029
Abstract: Abstract Two vanadium complexes bearing amine-bis(phenolate) ligands with the amino side-arm donor, [V{Me2NCH2CH2N(CH2-2-O-3,5-tBu2-C6H2)2}Cl2] (1) and [V{Me2NCH2CH2N(CH2-2-O-3,5-tBu2-C6H2)(CH2-2-O-C6H4)}Cl2] (2), were synthesised and characterized by FTIR and 1H NMR spectroscopy. Upon activation with Al(iBu)3/Ph3CB(C6F5)4, these complexes became active catalysts… read more here.
Keywords: ethylene polymerization; polymerization; dichlorovanadium diamine; bis phenolate ... See more keywords
Vanadium(V) imido chlorides and n-propoxides — Towards a rational design of vanadium imido precatalysts for ethylene polymerization
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2020.121665
Abstract: Abstract Vanadium(V) imido complexes are widely used in olefin polymerization and oligomerization. In this report we present the synthesis and the results of ethylene polymerization studies for a series of vanadium(V) imido complexes with various… read more here.
Keywords: imido; vanadium imido; ethylene polymerization; imido chlorides ... See more keywords
Ethylene polymerization to branched thermoplastic elastomers through proper activation of heterogeneous nickel (II) α-diimine complex and thermal drawing process
Sign Up to like & getrecommendations! Published in 2019 at "Polymer"
DOI: 10.1016/j.polymer.2019.121660
Abstract: Abstract Ethylene polymerization with heterogeneous nickel (II) α-diimine complex, covalently attached to silica, under various conditions revealed effective control over polymer structure and activity. NMR, WAXD, thermal and mechanical characterization techniques provide the relationship between… read more here.
Keywords: diimine complex; ethylene polymerization; heterogeneous nickel; polymerization ... See more keywords
Iminopyridyl ligands bearing polyethylene glycol unit for nickel catalyzed ethylene polymerization
Sign Up to like & getrecommendations! Published in 2021 at "Polymer"
DOI: 10.1016/j.polymer.2021.124023
Abstract: Abstract Influence of polyethylene glycol unit on nickel catalyzed ethylene polymerization have attracted increasing interest. The Lewis basic oxygen atoms on polyethylene glycol group can form interactions with Lewis acidic metal additives. In this contribution,… read more here.
Keywords: unit nickel; ethylene polymerization; glycol unit; polyethylene glycol ... See more keywords
Modeling Condensed Mode Operation for Ethylene Polymerization: Part I. Thermodynamics of Sorption
Sign Up to like & getrecommendations! Published in 2017 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.6b04288
Abstract: A process model based on the thermodynamic models of Sanchez–Lacombe and PC-SAFT EoS is developed to simulate and analyze the impact of vaporized n-hexane as an induced condensing agent on the rate of gas phase… read more here.
Keywords: polymerization; thermodynamics; modeling condensed; ethylene polymerization ... See more keywords
Influences of Ligand Backbone Substituents on Phosphinecarbonylpalladium and -nickel Catalysts for Ethylene Polymerization and Copolymerization with Polar Monomers.
Sign Up to like & getrecommendations! Published in 2021 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.1c01490
Abstract: A series of phosphinecarbonylpalladium and -nickel catalysts bearing various substituents on the ligand backbone were prepared, characterized, and used in ethylene polymerization and copolymerization with polar monomers. The Pd and Ni catalysts can achieve high… read more here.
Keywords: polymerization copolymerization; polymerization; ethylene polymerization; ligand backbone ... See more keywords