Synthesis of 1,4-polybutadiene-g-poly(ethylene oxide) via the macromonomer approach by ROMP
HÉROGUEZ, Valérie
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
Polymer Chemistry. 2013, vol. 4, n° 6, p. 2168-2173
Royal Society of Chemistry - RSC
Résumé en anglais
A poly(ethylene oxide) (PEO) macromonomer end-capped by a polymerizable cyclobutene group has been polymerized by ring-opening metathesis polymerization (ROMP) using Grubbs' second generation (G2) and third generation (G3) ...Lire la suite >
A poly(ethylene oxide) (PEO) macromonomer end-capped by a polymerizable cyclobutene group has been polymerized by ring-opening metathesis polymerization (ROMP) using Grubbs' second generation (G2) and third generation (G3) catalysts. The macromonomer having a hydrophilic PEO conjugated with a hydrophobic cyclobutene moiety shows self-association properties in water as demonstrated by fluorescence spectroscopy. Therefore, the PEO-based cyclobutene macromonomer was subjected to ROMP both in miniemulsion and in solution. Well-defined 1,4-polybutadiene-g-PEOs with molecular weights ranging from 19 800 to 38 000 g mol(-1) were obtained using G2 in solution with excellent control over molecular weight distribution (PDI = 1.07-1.11).< Réduire
Mots clés en anglais
CATALYSTS
POLYMERS
AQUEOUS-MEDIUM
MINIEMULSION
RING-OPENING-METATHESIS
CYLINDRICAL MOLECULAR BRUSHES
RADICAL POLYMERIZATION
GRAFT-COPOLYMERS
RAFT POLYMERIZATION
BLOCK-COPOLYMERS
Origine
Importé de halUnités de recherche