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Highly Isospecific Styrene Polymerization Catalyzed by Single‐Component Bridged Bis(indenyl) Allyl Yttrium and Neodymium Complexes
Author(s) -
Rodrigues AnneSophie,
Kirillov Evgueni,
Roisnel Thierry,
Razavi Abbas,
Vuillemin Bruno,
Carpentier JeanFrançois
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200702353
Subject(s) - styrene , yttrium , neodymium , polystyrene , polymerization , tacticity , polymer chemistry , catalysis , copolymer , chemistry , ligand (biochemistry) , materials science , polymer , organic chemistry , laser , biochemistry , physics , receptor , optics , oxide
Me, myself, and styrene : Yttrium and neodymium allyl complexes bearing a bridged bis(indenyl) ligand (Cat.; Ln=Y, Nd) are active single‐component catalysts for the polymerization of styrene up to 120 °C, giving highly isotactic polystyrene (iPS), with number‐average molecular weights ( M n ) of 12 000–102 000 and polydispersities ( M w / M n ) of 1.5–2.6.

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