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Syndiospecific Styrene Polymerization in Aliphatic Solvents Catalyzed by FluTi(O i Pr) 3 /MAO: Study of Polymerization Conditions
Author(s) -
Lugo Luis E.,
Charles Rogelio,
Pérez Odilia,
Cadenas Gregorio,
Revilla Javier
Publication year - 2009
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200950910
Subject(s) - polymerization , toluene , styrene , cyclohexane , polystyrene , polymer chemistry , tacticity , solvent , catalysis , hexane , chemistry , polymer , materials science , copolymer , organic chemistry
Syndiotactic polymerization of styrene in aliphatic solvents (hexane and cyclohexane) and aliphatic solvent/toluene mixtures was evaluated using a previously reported catalytic system formed by FluTi(O i Pr) 3 /MAO in order to evaluate polymerization reaction conditions and their effect on polymer tacticity. Highly syndiotactic polystyrene was produced indistinctly using pure aliphatic solvent or mixtures with toluene. On the other hand, the effect of polymerization conditions such as temperature, catalyst precursor and styrene concentrations, Al/Ti ratio and aliphatic solvent/toluene ratio over catalytic activity were analyzed.