Selectivity in propene polymerization with metallocene catalysts

L Resconi, L Cavallo, A Fait, F Piemontesi - Chemical Reviews, 2000 - ACS Publications
The outstandingly rapid scientific and technological development of metallocene-based
catalysts for olefin polymerization is a perfect example of the successful application of …

Control of coordination polymerization behavior by counter-anionic effects

R Tanaka, OA Ajala, Y Nakayama, T Shiono - Progress in Polymer Science, 2023 - Elsevier
In coordination polymerization chemistry, the most active species are cationic transition
metals which bear vacant sites for monomer coordination. The steric and electronic …

Metallocene catalyzed ethene-and propene co-norbornene polymerization: Mechanisms from a detailed microstructural analysis

I Tritto, L Boggioni, DR Ferro - Coordination Chemistry Reviews, 2006 - Elsevier
Cyclic olefin copolymers are one of the new families of olefinic copolymers made available
by metallocenes. Owing to their unique combination of properties, they are engineered …

Kinetics of Initiation, Propagation, and Termination for the [rac-(C2H4(1-indenyl)2)ZrMe][MeB(C6F5)3]-Catalyzed Polymerization of 1-Hexene

Z Liu, E Somsook, CB White, KA Rosaaen… - Journal of the …, 2001 - ACS Publications
Metallocene-catalyzed polymerization of 1-alkenes offers fine control of critical polymer
attributes such as molecular weight, polydispersity, tacticity, and comonomer incorporation …

Group IV diamine bis (phenolate) catalysts for 1-decene oligomerization

A Hanifpour, N Bahri-Laleh… - Molecular …, 2020 - Elsevier
A family of three group IV based diamine bis (phenolate) catalysts,[M {2, 2ʹ-(OC 6 H 2-4, 6-t
Bu 2) 2 NHC 2 H 4 NH}(O i Pr) 2](M= Ti (Cat1), Zr (Cat2), and Hf (Cat3)) were synthesized …

Zirconocene-catalyzed propene polymerization: A quenched-flow kinetic study

F Song, RD Cannon, M Bochmann - Journal of the American …, 2003 - ACS Publications
The kinetics of propene polymerization catalyzed by ansa-metallocenes were studied using
quenched-flow techniques. Two catalyst systems were investigated,(SBI) ZrMe2/Al i …

Mechanistic studies of hafnium-pyridyl amido-catalyzed 1-octene polymerization and chain transfer using quench-labeling methods

ES Cueny, HC Johnson, BJ Anding… - Journal of the American …, 2017 - ACS Publications
Chromophore quench-labeling applied to 1-octene polymerization as catalyzed by hafnium-
pyridyl amido precursors enables quantification of the amount of active catalyst and …

Polypropylene" chain shuttling" at enantiomorphous and enantiopure catalytic species: direct and quantitative evidence from polymer microstructure

F Alfano, WH Boone, V Busico, R Cipullo, JC Stevens - Macromolecules, 2007 - iris.unina.it
The synthesis of olefin block copolymers and stereoblock polymers in the presence of
Ziegler− Natta (and related) catalysts is a long-standing important industrial target, in view of …

A 2H-Labeling Scheme for Active-Site Counts in Metallocene-Catalyzed Alkene Polymerization

Z Liu, E Somsook, CR Landis - Journal of the American Chemical …, 2001 - ACS Publications
Detailed kinetics of metallocene-catalyzed alkene polymerization reactions are elusive but
essential to understanding the mechanism of these important industrial processes. 1 As …

Quantification of active sites in single-site group 4 metal olefin polymerization catalysis

X Desert, JF Carpentier, E Kirillov - Coordination Chemistry Reviews, 2019 - Elsevier
This review gives an overview of approaches and techniques used for the assessment of
active sites count in homogeneous group 4 metal single-site α-olefin polymerization. The …