Biomimetic Carbocationic Polymerizations III: Investigation of Isoprene Polymerization Initiated by Dimethyl Allyl Bromide
PERUCH, Frédéric
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
DEFFIEUX, Alain
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
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Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
PERUCH, Frédéric
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
DEFFIEUX, Alain
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
< Réduire
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
Langue
en
Article de revue
Ce document a été publié dans
Journal of Polymer Science Part A: Polymer Chemistry. 2009, vol. 47, n° 8, p. 2172-2180
Wiley
Résumé en anglais
Natural rubber (poly(1,4-cis-isoprene), NR) is a polymer of considerable industrial importance due to its exceptional properties. It is mostly produced from the cultivation of Hevea brasiliensis, and to a limited extent ...Lire la suite >
Natural rubber (poly(1,4-cis-isoprene), NR) is a polymer of considerable industrial importance due to its exceptional properties. It is mostly produced from the cultivation of Hevea brasiliensis, and to a limited extent from Parthenium argentatum. Till date none of the synthetic equivalent of NR exists. Recently we suggested that the mechanism of NR biosynthesis is based on carbocationic polymerization, similarly to that of natural oligoisoprenoids forming by enzyme-catalyzed prenylation. In this article we present proof of concept of a new bio-inspired synthetic route towards the synthesis of polyisoprenes based on carbocationic polymerization initiated by dimethyl allyl bromide (DMABr)/TiCl4. It is shown that using this strategy, 1,4-oligoisoprene carrying a dimethyl allyl head group is produced in both cis and trans configurations, together with cyclized sequences< Réduire
Mots clés en anglais
real-time FTIR
polyisoprene
natural rubber
biomimetic
biomimetic processes
carbocationic polymerization
cationic polymerization
FT-IR
Origine
Importé de halUnités de recherche