Synthesis of 1,4-polybutadiene-g-poly(ethylene oxide) via the macromonomer approach by ROMP
Literature Information
Publication Date
2013-01-23
DOI
10.1039/C3PY21103G
Impact Factor
5.582
Authors
Dao Le, Véronique Montembault, Sagrario Pascual, Floraine Collette, Valérie Héroguez, Laurent Fontaine
View Original
Abstract
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).
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Polymer Chemistry
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