PYRIDLYAMIDOHAFNIUM CATALYST PRECURSORS, ACTIVE SPECIES FROM THIS AND USES THEREOF TO POLYMERIZE ALKENES

Cs-Symmetric pyridylamidohafhium catalyst precursors and active species based thereon are described. The active species are used for living polymerization of C2-C20 alkenes and provide highly isotactic polypropylene and are useful to provide multi-block copolymer with end blocks of isotactic polypro...

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Hauptverfasser:	COATES, GEOFFREY, W, DOMSKI, GREGORY, J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR RELEVANT APPARATUS TRANSPORTING
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