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
< Leer menos
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 1 LCPO : Polymerization Catalyses & Engineering
Idioma
en
Article de revue
Este ítem está publicado en
Polymer Chemistry. 2013, vol. 4, n° 6, p. 2168-2173
Royal Society of Chemistry - RSC
Resumen en inglés
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) ...Leer más >
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).< Leer menos
Palabras clave en inglés
CATALYSTS
POLYMERS
AQUEOUS-MEDIUM
MINIEMULSION
RING-OPENING-METATHESIS
CYLINDRICAL MOLECULAR BRUSHES
RADICAL POLYMERIZATION
GRAFT-COPOLYMERS
RAFT POLYMERIZATION
BLOCK-COPOLYMERS
Orígen
Importado de HalCentros de investigación