Synthesis and characterisation of permethylindenyl zirconium complexes and their use in ethylene polymerisation

RSC Advances ◽  
2015 ◽  
Vol 5 (106) ◽  
pp. 87456-87464 ◽  
Author(s):  
Jean-Charles Buffet ◽  
Thomas A. Q. Arnold ◽  
Zoë R. Turner ◽  
Phakpoom Angpanitcharoen ◽  
Dermot O'Hare
Keyword(s):  
Group 4 ◽  
Zirconium Complexes ◽  
Slurry Phase ◽  
Ethylene Polymerisation

We report here the synthesis, characterisation and use in solution and slurry phase ethylene polymerisation of new group 4 permethylindenyl complexes.

scholarly journals Group 4 permethylindenyl complexes for slurry-phase polymerisation of ethylene

2019 ◽  
Vol 10 (11) ◽  
pp. 1386-1398 ◽  
Author(s):  
Jessica V. Lamb ◽  
Jean-Charles Buffet ◽  
Zoë R. Turner ◽  
Dermot O'Hare
Keyword(s):  
Molecular Weights ◽  
Group 4 ◽  
Slurry Phase ◽  
Ethylene Polymerisation

Supported group 4 permethylindenyl based catalysts displayed extremely high ethylene polymerisation activity affording popcorn shaped low molecular weights polyethylenes.

Group 4 permethylindenyl constrained geometry complexes for ethylene polymerisation catalysis

2018 ◽  
Vol 8 (21) ◽  
pp. 5454-5461 ◽  
Author(s):  
Thomas J. Williams ◽  
Jean-Charles Buffet ◽  
Zoë R. Turner ◽  
Dermot O'Hare
Keyword(s):  
Group 4 ◽  
Constrained Geometry ◽  
Slurry Phase ◽  
Ethylene Polymerisation

The synthesis and characterisation of six permethylindenyl constrained geometry complexes is reported. Slurry phase ethylene polymerisation studies demonstrate that activities increase with increasing electron donating character of the amido fragment.

scholarly journals Slurry-phase ethylene polymerisation using group 4 ansa-bridged permethylindenyl complexes supported on polymethylaluminoxane

2020 ◽  
Vol 484 ◽  
pp. 110735 ◽  
Author(s):  
Jessica V. Lamb ◽  
Joseph C. Abell ◽  
Jack E. McLaren ◽  
Jean-Charles Buffet ◽  
Zoë R. Turner ◽  
...  
Keyword(s):  
Group 4 ◽  
Slurry Phase ◽  
Ethylene Polymerisation

Supported bis(peralkylindenyl)metallocene catalysts for slurry phase ethylene polymerisation

Polyhedron ◽  
2016 ◽  
Vol 116 ◽  
pp. 216-222 ◽  
Author(s):  
Phakpoom Angpanitcharoen ◽  
George Hay ◽  
Jean-Charles Buffet ◽  
Zoë R. Turner ◽  
Thomas A.Q. Arnold ◽  
...  
Keyword(s):  
Metallocene Catalysts ◽  
Slurry Phase ◽  
Ethylene Polymerisation

scholarly journals Metallocene supported core@LDH catalysts for slurry phase ethylene polymerisation

2016 ◽  
Vol 52 (21) ◽  
pp. 4076-4079 ◽  
Author(s):  
Jean-Charles Buffet ◽  
Coral F. H. Byles ◽  
Ryan Felton ◽  
Chunping Chen ◽  
Dermot O'Hare
Keyword(s):  
Single Phase ◽  
Synergistic Effects ◽  
Hybrid Catalysts ◽  
Slurry Phase ◽  
Ethylene Polymerisation

Immobilisation of rac-(EBI)ZrCl2 on the hybrid catalysts, core@AMO-LDH, demonstrate synergistic effects in which the polymerisation activity is up to three times higher than rac-(EBI)ZrCl2 supported on analogous single phase supports.

Regioselective addition of C(sp3)–H bonds of alkyl pyridines to olefins catalysed by cationic zirconium complexes

2017 ◽  
Vol 53 (53) ◽  
pp. 7401-7404 ◽  
Author(s):  
Qiu Sun ◽  
Peipei Xie ◽  
Dan Yuan ◽  
Yuanzhi Xia ◽  
Yingming Yao
Keyword(s):  
Metal Catalysts ◽  
Group 4 ◽  
Zirconium Complexes ◽  
Regioselective Addition ◽  
Group 4 Metal

The first group 4 metal catalysts are developed to catalyse C(sp3)–H addition of alkyl pyridines to olefins. Ligand-controlled regioselectivity was observed and verified.

Ethylene polymerisation using solid catalysts based on layered double hydroxides

2015 ◽  
Vol 6 (13) ◽  
pp. 2493-2503 ◽  
Author(s):  
Jean-Charles Buffet ◽  
Zoë R. Turner ◽  
Robert T. Cooper ◽  
Dermot O'Hare
Keyword(s):  
Organic Solvent ◽  
Metal Complexes ◽  
Support System ◽  
Layered Double Hydroxides ◽  
Catalyst Support ◽  
Solid Catalysts ◽  
Slurry Phase ◽  
Double Hydroxide ◽  
Ethylene Polymerisation ◽  
Double Hydroxides

We report here the use of methylaluminoxane (MAO) modified aqueous miscible organic solvent treated (AMOST) layered double hydroxide, Mg6Al2(OH)16CO3·4H2O (AMO-Mg3Al-CO3) as a catalyst support system for the slurry phase polymerisation of ethylene using immobilised metallocene and non-metallocene metal complexes.

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