GRANDE, Daniel; SIX, J.L.; BREUNIG, Stephan; HÉROGUEZ, Valérie; FONTANILLE, Michel; GNANOU, Yves

doi:10.1002/(SICI)1099-1581(1998100)9:10/11<601::AID-PAT835>3.0.CO;2-P

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GRANDE, Daniel
Laboratoire de Chimie des Polymères Organiques [LCPO]

SIX, J.L.
Laboratoire de Chimie des Polymères Organiques [LCPO]

BREUNIG, Stephan
Laboratoire de Chimie des Polymères Organiques [LCPO]

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Polymers for Advanced Technologies. 1998 n° 9, p. 601-612

Wiley

Résumé en anglais

This paper reviews the possibilities of engineering novel macromolecular topologies via ªlivingº ring-opening metathesis polymerization (ROMP) of miscellaneous macromonomers. It is shown that multibranched polystyrene poly(ethylene oxide) and polybutadiene poly-macromonomers of varying compactness and branch number can be prepared by ROMP of corresponding macromonomers, provided the macromonomers carry an end-standing norbornene unsaturation. Janus-type ar-chitectures are also accessible by this technique: such entirely novel topologies can be obtained by sequential ROMP of two different macromonomers whereas their statistical copolymerization affords heteroarmed macro-molecules. Advantage has also been taken of the versatility of this technique to prepare compact polymeric architectures that behave like unimicellar systems: structures whose inner part and outer layer are chemically different can be derived through homopoly-merization of macromonomers that are themselves block copolymers.< Réduire

Mots clés en anglais

norbornene-ended macromonomers

ring- opening metathesis polymerization

polymacro- monomers

Janus-type architecture

heteroarmed sphere

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Polymers with novel topologies by ring-opening metathesis polymerization of macromonomers

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