Fully tuneable ethylene–propylene elastomers using a supported permethylindenyl-phenoxy (PHENI*) catalyst†
Clement G.
Collins Rice, 
a
Louis J.
Morris,
a
Jean-Charles
Buffet,
a
Zoë R.
Turner
a
and
Dermot
O’Hare
*a
a
Louis J.
Morris,
a
Jean-Charles
Buffet,
a
Zoë R.
Turner
a
and
Dermot
O’Hare
*a
Abstract
Using a highly active supported permethylindenyl-phenoxy (PHENI*) titanium catalyst, high molecular weight ethylene–propylene (EPM) and ethylene–propylene–diene (EPDM) elastomers are prepared using slurry-phase catalysis. Final copolymer composition was found to reflect the monomer feed ratio in a linear fashion, to access a continuum of material properties with a single catalyst. Post-polymerisation crosslinking of EPDM was also demonstrated in a model sulfur vulcanisation system.
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