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UID:69dd2bba3c115
DTSTAMP:20260413T134530
DTSTART:20151204T113000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20151204T130000
URL:https://murmitoyen.com/events/vanille/udem/detail/624410
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Séminaire de l'étudiante Pargol Daneshmand Kashani (Groupe Schape
 r)
DESCRIPTION:Titre : Lactide Polymerization Catalyzed by Manganese Complexes
 .Endroit : Pavillon Roger-Gaudry\, salle G-815 à 11 h 30.
\nCette confér
 ence sera prononcée (en anglais) par Madame Pargol Daneshmand Kashani\, 
 étudiante au doctorat\, du laboratoire de Frank Schaper\, professeur au 
 Département de chimie de l'Université de Montréal.
\nRésumé : Nowaday
 s\, poly lactide (PLA) is of great interest because of its green character
 istics\, such as being biodegradable. In the process of converting lactide
  to PLA\, catalysts that are able to yield good polymer molecular weight c
 ontrol and specific stereoselectivity are of more value. The main limitati
 on of most of these catalysts is their sensitivity to air and moisture\, w
 hich makes them unfavorable for industrial usage. Our goal is to design ca
 talysts that not only have good control and high selectivity but are also 
 robust and non toxic\, which is important for industrial purposes. Thus\, 
 our first attempt has been the design of tetradentate manganese catalysts 
 with a phenyloxide ligand that are resistant to air and moisture. Despite 
 their moderate activity and atacticity\, these complexes have shown good p
 olymer molecular weight control..
\nInformation supplémentaireAnnonce PDF
  du séminaire
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