Results 61 to 70 of about 6,865 (263)

Probing into morphology evolution of magnesium ethoxide particles as precursor of Ziegler-Natta catalysts [PDF]

Polyolefins Journal, 2016
Mg(OEt)2 with spherical morphology is one of the most important precursors for the preparation of industrial Ziegler-Natta catalysts. In the present article, morphology evolution of Mg(OEt)2 particles is studied in the course of the synthesis.
Goond Hongmanee, Patchanee Chammingkwan, Toshiaki Taniike, Minoru Terano   +3 more
doaj   +1 more source

Propylene–Ethylene Copolymer Covalent Adaptable Networks Synthesized by Resonance‐Stabilized, Radical‐Based Reactive Processing with Excellent Elevated‐Temperature Creep Resistance

ChemSusChem, Volume 18, Issue 20, October 23, 2025.
Propylene‐ethylene copolymer covalent adaptable networks (PEC CANs) are synthesized via one‐step, radical‐based reactive processing with the use of initiator, dynamic cross‐linkers, and vinyl aromatic additives. The best CAN suppresses over 98% of creep at 100 °C (semicrystalline state) for 10,000 s compared to neat PEC.
Yen‐Wen Huang, Mathew J. Suazo, Stephanie M. Barbon, Hayley A. Brown, Evelyn Auyeung, Colin Li Pi Shan, John M. Torkelson   +6 more
wiley   +1 more source

An Overview of the Potential of UV Modification of Polypropylene [PDF]

, 2016
This is the peer reviewed version of the following article: Amintowlieh, Y., Tzoganakis, C., & Penlidis, A. (2016). An Overview of the Potential of UV Modification of Polypropylene.
Amintowlieh, Yasaman, Penlidis, Alexander, Tzoganakis, Costas   +2 more
core   +1 more source

A Practical Guide to Heterogeneous Catalysis in Hydrocarbon Transformations

Chemistry – An Asian Journal, Volume 20, Issue 20, October 17, 2025.
A focused overview of the catalytic processing of hydrocarbons to transform them into more valuable compounds is presented. This work is intended to assist BSc, MSc, and PhD students, as well as junior researchers, in selecting and performing appropriate heterogeneous catalytic processes for specific heterogeneous catalytic reactions.
Kelvin A. Sanoja‐Lopez, Alina M. Balu, Héctor de Paz Carmona, Martin Hájek, Rafael Luque, José Miguel Hidalgo Herrador   +5 more
wiley   +1 more source

Water-accelerated organic transformations [PDF]

, 2001
Rather than quenching all reactive intermediates and arresting the reaction, the addition of catalytic or stoichiometric (1-10 equiv.) quantities of H2O to organic and organometallic processes can lead to surprisingly beneficial effects on reaction rate,
Ribe, S, Wipf, P
core   +2 more sources

Vapor Deposition of Polymer Structures: From 2D Surface Coatings and Surface Microstructures to 3D Building Blocks and Structural Monoliths

Macromolecular Rapid Communications, Volume 46, Issue 20, October 20, 2025.
This review discusses the progress of vapor‐deposited polymer structures, from simple thin films and surface microstructures to complex 3D architectures and monoliths. It covers fabrication methods, polymerization mechanisms, and processes for fabricating these structures. The applications of these polymers are discussed, focusing on device integration
Theresia Cecylia Ramli, Chung‐Ju Chen, Hui‐Hsuan Wang, Chi‐Yen Tsao, I‐Chen Hsu, Hung‐Jui Ting, Hsien‐Yeh Chen   +6 more
wiley   +1 more source

Effects of SUpport preparation on the perfonnance of the catalysts Ziegler-Natta based in TiCI4/MgCI2

Revista Técnica de la Facultad de Ingeniería, 2011
The properties of supported Ziegler-Natta catalysts depend mostly on the preparation of the support. Four kinds of Ziegler-Natta catalysts consisting of TIC4 supported on MgCh were prepared, differting mainly by the method used to prepare the support ...
F. Medina, M. Hidalgo, R Sanchéz, T. Rajmankina, A. Parada   +4 more
doaj  

Discovery and development of metallocene-based polyolefins with special properties [PDF]

Polyolefins Journal, 2015
Beside Ziegler-Natta and Phillips catalysts the development of methylaluminoxane (MAO) as cocatalyst in combination with metallocenes or other transition metal complexes for the polymerization of olefins has widely increased the possibilities in ...
Walter Kaminsky, Mercia Fernandes
doaj   +1 more source

50th Anniversary Perspective: Living Polymerization—Emphasizing the Molecule in Macromolecules [PDF]

, 2017
The ideal of living polymerization has defined research in polymer chemistry over the past 50 years. In this Perspective, we present the case that this concept has enabled the treatment of polymers as organic molecules, rather than impure mixtures of ...
Grubbs, Robert B., Grubbs, Robert H.
core  

Half-titanocene 5-t-butyl-2-(1-(arylimino)methyl)quinolin-8-olate chlorides: Synthesis, characterization and ethylene (co-) polymerization behavior [PDF]

, 2013
A series of half-titanocene chloride complexes bearing 5-t-butyl-2-(1-(arylimino)methyl)quinolin-8-olate ligands (L), CpTiLCl₂, has been synthesized in acceptable yields by the stoichiometric reaction of CpTiCl₃ with the respective potassium 5-t-butyl-2-(
Chen, Langqiu, Redshaw, Carl, Sun, Wen-Hua, Wang, Lin, Yan, Qing, Yang, Wenhong   +5 more
core   +1 more source