Synthesis of ultra-high molecular weight poly(ethylene)-co-(1-hexene) copolymers through high-throughput catalyst screening

Abstract

Permethylindenyl titanium CGCs supported on solid polymethylaluminoxane (sMAO) are investigated as slurry-phase catalysts by high-throughput catalyst screening (copolymerisation of ethylene/1-hexene with incorporation levels up to 14.2 mol%).

Fully tuneable ethylene–propylene elastomers using a supported permethylindenyl-phenoxy (PHENI*) catalyst

“…ArO,I*)TiCl 2 ({(Z 5 -C 9 Me 6 )Me 2 Si(2,4-t Bu 2 -C 6 H 2 O)}TiCl 2 ), heterogenised on solid polymethylaluminoxane (sMAO), 23 1 (Fig. 1), for the production of EPM elastomers.…”

A Systematic Review for Evaluation of Specialized Programs for Addressing Young Women with Breast Cancer Problems

“…To achieve these goals, PYNK was formally launched with an evening educational event for primary care physicians and general surgeons, and presentations at Grand Rounds at various institutions [57]. SGPGI Breast Health Initiative involved in residents' teaching and training activities for healthcare providers [93].…”

“…The SGPGI initiative is one such organization involved in research activities in various aspects of breast health that were continually pursued which resulted in many department faculty members undertaking research grants and projects and publishing and presenting clinical and basic research papers at various flora [93]. CPAA conducted different studies in both translational and psychological aspects of BC.…”

Synthesis of ultrahigh-molecular-weight ethylene/1-octene copolymers with salalen titanium(iv) complexes activated by methyaluminoxane

“…20 Since then many new CGC and post metallocene catalysts have been designed and developed, especially many group IV transition metal complexes bearing O, N -chelating or N , N -chelating ligands exhibited surprisingly excellent catalytic performance on the copolymerization of ethylene with α-olefin, and made significant improvement on the polymer molecular weight and comonomer content. 8,21–25…”

“…20 Since then many new CGC and post metallocene catalysts have been designed and developed, especially many group IV transition metal complexes bearing O,N-chelating or N,N-chelating ligands exhibited surprisingly excellent catalytic performance on the copolymerization of ethylene with a-olen, and made signicant improvement on the polymer molecular weight and comonomer content. 8,[21][22][23][24][25] The salalens are tetradentate [ONN 0 O]-type ligands can be regard as half-salan/half-salen, raping the metal center in a facmer mode with perfect octahedral structure. 26,27 Salalen type complexes exhibit amazing catalytic performance on various reactions like ring-opening polymerization, asymmetric oxidations, epoxide-CO 2 polymerization and a-olen homopolymerization.…”