Results 51 to 60 of about 5,101 (224)
Microscopy Research and Technique, Volume 89, Issue 5, Page 759-768, May 2026.SEM–EDX and XRD characterization confirm that pouches made from readily available aluminum foil, used in combination with a commercial cryo‐EM transfer system, effectively protect highly atmosphere‐sensitive and/or hygroscopic materials from contamination during transfer from inert environments to the SEM vacuum chamber.
Louis G. Corcoran +8 more
wiley +1 more source
Tailoring polypropylene properties by package of internal/external donor in Ziegler Natta catalysts [PDF]
Polyolefins JournalInsights have been developed into the influence of different structures, including bismethoxymethylfluorene (B) and 2,2-diisopropyl succinate (I), on both internal donor (ID) and external donor (ED) roles on the performance of MgCl2/ID/TiCl4.
Nona Ghasemi Hamedani +3 more
doaj +1 more source
Polymer Engineering &Science, Volume 66, Issue 5, Page 3100-3141, May 2026.This review integrates the molecular fundamentals, key challenges, and mitigation strategies in polyolefin 3D printing, focusing on shrinkage, warpage, and adhesion control. It highlights material design approaches using recycled polyolefins and functional fillers to improve printability, mechanical properties, and sustainability in additive ...
Malik Hassan +5 more
wiley +1 more source
ReactionsIn this work, an attempt is made to theoretically substantiate the experimentally known facts of the influence of halogen concentration on the catalytic properties of the neodymium-based Ziegler–Natta system.
Alexey N. Masliy +3 more
doaj +1 more source
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
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 +2 more
core +1 more source
Protonolysis of Fe-C bonds of a diiminopyridineiron(II) dialkyl complex by acids of different strengths: Influence of monoanionic ligands on the spectroscopic properties of diiminopyiridine-FeY2 complexes [PDF]
, 2014 The reaction of the dialkyliron complex [Fe(CH2SiMe 3)2(MesBIP)] (MesBIP = 2,6-bis((N-mesityl)acetimidoyl)pyridine) with protic acids (HY) of different strengths (Y = C6F5O, CF3CO2, Cl, CF3SO3) invariably leads to the cleavage of both Fe-C bonds ...
Cartes Domínguez, María Ángeles +4 more
core +1 more source
CHIMIA, 1996 The insertion polymerization of propene by using chiral transition metal compounds leads to a variety of poly propene products with different stereoregularities.
Rolf Mülhaupt, Bernhard Rieger
doaj +2 more sources
South African Journal of Chemical Engineering, 2023 The effect of different prepared magnesium sources including MgCl2 (ZN-THF), metallic magnesium powder (ZN-O), and MGE (ZN-MGE) as the support of titanium-based Ziegler-Natta catalysts on behaviors of gas-phase ethylene/1-hexene copolymerization was ...
Thanyaporn Pongchan +5 more
doaj +1 more source
A Suzuki Coupling Based Route to 2,2'-Bis(2-indenyl)biphenyl Derivatives [PDF]
, 2002 Because of the promising performance in olefin polymerization of 2,2'-bis(2-indenyldiyl)biphenyl zirconium dichloride, we developed a new and broadly applicable route to 2,2'-bis(2-indenyl)biphenyl derivatives.
Arts, Henricus J., +5 more
core +3 more sources