Results 121 to 130 of about 637 (179)

In-Situ Thermometry Reveals Fragmentation Behavior Based on Local Temperature in α-Olefin Polymerization Catalysts. [PDF]

J Am Chem Soc
Dorresteijn JM, Terlingen B, Bossers KW, Jacobs TS, Wisse Y, de Peinder P, Cirriez V, Welle A, Vogt ETC, Meirer F, Weckhuysen BM.   +10 more
europepmc   +1 more source

Recent Advances in Propylene-Based Elastomers Polymerized by Homogeneous Catalysts. [PDF]

Polymers (Basel)
Li C, Fan G, Zheng G, Gao R, Liu L.
europepmc   +1 more source

NMR Signatures of Transition-Metal Nuclei: From Local Environments and Electronic Structures to Reactivity Descriptors in Molecular and Heterogeneous Catalysis. [PDF]

JACS Au
Berkson ZJ, Cao W, Gioffrè D, Kaul CJ, Lätsch L, Kakiuchi Y, Yakimov A, Copéret C.   +7 more
europepmc   +1 more source

Control of stereospecificity in Ziegler-Natta catalysts

, 1991
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Direct Observation of Radicals in the Activation of Ziegler-Natta Catalysts

Angewandte Chemie - International Edition, 2002
Hans-Joachim Freund, Thomas Risse
exaly   +4 more sources

Layer‐lattices in Ziegler–Natta catalysts

Journal of Polymer Science Part B: Polymer Physics, 1988
AbstractSome layered inorganic compounds of interest in old and new polymerization processes by Ziegler‐Natta stereospecific catalysis have been studied. The results are reported of an investigation concerning the crystallographic disorder phenomena in α‐TiCl3, VCl3, FeCl3, ball‐milled α‐MgCl2, β‐MgCl2, and in a new catalytic system produced according ...
ZANNETTI, ROBERTO, MAREGA, CARLA, MARIGO, ANTONIO, A. Martorana   +3 more
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Metallocene and Ziegler-Natta Catalysts

2021
Fifty years ago, Karl Ziegler and Natta won the Nobel Prize for their discovery of the catalytic polymerization of ethylene and propylene using titanium compounds with aluminum-alkyls as co-catalysts. Polyolefins are constantly growing and are now one of the most important highconsumption polymers. New metallocene/methylaluminoxane (MAO) catalysts have
Vinod Vishwakarma, Sandeep, Kulkarni, S.G.   +1 more
openaire   +1 more source

Crystal Structures of Ziegler–Natta Catalyst Supports

Chemistry – A European Journal, 2011
AbstractThe crystal structures of three MgCl2⋅n EtOH complexes with n=1.5, 2.8, and 3.3 have been fully determined. Such complexes are the fundamental precursors for Ziegler–Natta polymerization catalysts used to produce polyolefins on a multimillion‐ton scale worldwide.
Malizia F., Fait A., CRUCIANI, Giuseppe
openaire   +2 more sources

Structure and Reactivity of Ziegler—Natta Catalyst Intermediates.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
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Accelerating the Research Approach to Ziegler–Natta Catalysts

Industrial & Engineering Chemistry Research, 2016
Despite 60 years of history and a stunning success, Ti-based Ziegler–Natta catalysts for the production of isotactic polypropylene remain black-box systems, and progress still relies on trial and error. This represents a limitation in a moment when the most widely used industrial systems, containing phthalates as selective modifiers, need to be ...
BUSICO, VINCENZO, CIPULLO, ROBERTA, Mingione, Alessio, Rongo, Luca   +3 more
openaire   +2 more sources