Recent developments in catalyst systems for selective oligomerization and polymerization of higher α-olefins

N Patel, V Valodkar, G Tembe - Polymer Chemistry, 2023 - pubs.rsc.org
In this study, a comprehensive review of the recent developments in the use of various types
of homogeneous and heterogeneous catalysts for the dimerization, oligomerization and …

Heteroatom-assisted olefin polymerization by rare-earth metal catalysts

C Wang, G Luo, M Nishiura, G Song, A Yamamoto… - Science …, 2017 - science.org
Heteroatom-functionalized polyolefins are of fundamental interest and practical importance.
This has spurred investigations of the copolymerization of polar and nonpolar olefins. We …

[图书][B] NMR spectra of polymers and polymer additives

AJ Brandolini, DD Hills - 2000 - taylorfrancis.com
" Compiles nearly 400 fully assigned NMR spectra of approximately 300 polymers and
polymer additives, representing all major clases of materials: polyolefins, styrenics …

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 …

Zirconium and titanium diamine bis (phenolate) catalysts for α-olefin polymerization: From atactic oligo (1-hexene) to ultrahigh-molecular-weight isotactic poly (1 …

S Segal, I Goldberg, M Kol - Organometallics, 2005 - ACS Publications
Aiming at higher activities of group IV diamine bis (phenolate) catalysts in olefin
polymerization, ligands containing electron-withdrawing groups have been introduced. The …

Coordinative chain transfer polymerization of 1-decene in the presence of a Ti-based diamine bis (phenolate) catalyst: A sustainable approach to produce low …

A Hanifpour, N Bahri-Laleh… - Green …, 2020 - pubs.rsc.org
A Ti-based diamine bis (phenolate) catalyst,[Ti {2, 2′-(OC6H2-4, 6-tBu2) 2NHMePhMeNH}
Cl2], was synthesized and fully characterized by elemental analysis and NMR spectroscopy …

Cyclic poly (4-methyl-1-pentene): efficient catalytic synthesis of a transparent cyclic polymer

Z Miao, D Pal, W Niu, T Kubo, BS Sumerlin… - …, 2020 - ACS Publications
Cyclic polymers possess properties that are significantly different from their linear analogs,
such as higher densities, smaller hydrodynamic volumes, and higher glass transition …

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 …

Neutral palladium complexes as catalysts for olefin− methyl acrylate copolymerization: a cautionary tale

G Tian, HW Boone, BM Novak - Macromolecules, 2001 - ACS Publications
Neutral palladium complexes bearing pyrrole− imine ligands (I− III) have been synthesized,
and their use as catalysts for olefin and vinyl monomer (co) polymerizations was …

Polyolefin drag reducing agents

PV Ivchenko, IE Nifant'ev, AV Tavtorkin - Petroleum Chemistry, 2016 - Springer
Main methods for the polymerization of higher α-olefins (1-hexene, 1-octene, and 1-decene)
with the formation of high molecular weight products, key properties of poly-α-olefins from …